From 224282d5614a93c37e55f77b5fe4a79ff169ca32 Mon Sep 17 00:00:00 2001 From: kerwincui <164770707@qq.com> Date: Sun, 4 Jul 2021 17:59:55 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E7=A1=AC=E4=BB=B6=E7=AB=AF?= =?UTF-8?q?=E5=9B=BA=E4=BB=B6=E7=A4=BA=E4=BE=8B=E4=BB=A3=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../esp-idf/get-started}/.gitignore | 0 .../esp-idf/get-started}/CMakeLists.txt | 2 +- .../esp-idf/get-started}/LICENSE | 0 .../esp-idf/get-started}/Makefile | 2 +- .../components/cjson/CMakeLists.txt | 3 + .../get-started/components/cjson/cJSON.c | 3107 +++++++++++++++++ .../components/cjson/cJSON_Utils.c | 1477 ++++++++ .../components/cjson}/component.mk | 0 .../components/cjson/include/cJSON.h | 285 ++ .../components/cjson/include/cJSON_Utils.h | 85 + .../get-started/components}/component.mk | 0 .../components/example}/CMakeLists.txt | 2 +- .../components/example}/component.mk | 0 .../get-started/components/example/example.c | 7 + .../components/example/include/example.h | 9 + .../esp-idf/get-started/main/CMakeLists.txt | 4 + .../esp-idf/get-started}/main/component.mk | 0 .../esp-idf/get-started/main/include/mqtt.h | 22 + .../esp-idf/get-started/main/include/wifi.h | 21 + firmware/esp-idf/get-started/main/main.c | 35 + firmware/esp-idf/get-started/main/mqtt.c | 395 +++ firmware/esp-idf/get-started/main/wifi.c | 96 + .../esp-idf/get-started}/sdkconfig | 0 23 files changed, 5549 insertions(+), 3 deletions(-) rename {esp-idf => firmware/esp-idf/get-started}/.gitignore (100%) rename {esp-idf => firmware/esp-idf/get-started}/CMakeLists.txt (78%) rename {esp-idf => firmware/esp-idf/get-started}/LICENSE (100%) rename {esp-idf => firmware/esp-idf/get-started}/Makefile (53%) create mode 100644 firmware/esp-idf/get-started/components/cjson/CMakeLists.txt create mode 100644 firmware/esp-idf/get-started/components/cjson/cJSON.c create mode 100644 firmware/esp-idf/get-started/components/cjson/cJSON_Utils.c rename {esp-idf/components => firmware/esp-idf/get-started/components/cjson}/component.mk (100%) create mode 100644 firmware/esp-idf/get-started/components/cjson/include/cJSON.h create mode 100644 firmware/esp-idf/get-started/components/cjson/include/cJSON_Utils.h rename {esp-idf/components/example1 => firmware/esp-idf/get-started/components}/component.mk (100%) rename {esp-idf/components/example1 => firmware/esp-idf/get-started/components/example}/CMakeLists.txt (66%) rename {esp-idf/components/example2 => firmware/esp-idf/get-started/components/example}/component.mk (100%) create mode 100644 firmware/esp-idf/get-started/components/example/example.c create mode 100644 firmware/esp-idf/get-started/components/example/include/example.h create mode 100644 firmware/esp-idf/get-started/main/CMakeLists.txt rename {esp-idf => firmware/esp-idf/get-started}/main/component.mk (100%) create mode 100644 firmware/esp-idf/get-started/main/include/mqtt.h create mode 100644 firmware/esp-idf/get-started/main/include/wifi.h create mode 100644 firmware/esp-idf/get-started/main/main.c create mode 100644 firmware/esp-idf/get-started/main/mqtt.c create mode 100644 firmware/esp-idf/get-started/main/wifi.c rename {esp-idf => firmware/esp-idf/get-started}/sdkconfig (100%) diff --git a/esp-idf/.gitignore b/firmware/esp-idf/get-started/.gitignore similarity index 100% rename from esp-idf/.gitignore rename to firmware/esp-idf/get-started/.gitignore diff --git a/esp-idf/CMakeLists.txt b/firmware/esp-idf/get-started/CMakeLists.txt similarity index 78% rename from esp-idf/CMakeLists.txt rename to firmware/esp-idf/get-started/CMakeLists.txt index 147d9cbf..c60ac13b 100644 --- a/esp-idf/CMakeLists.txt +++ b/firmware/esp-idf/get-started/CMakeLists.txt @@ -1,3 +1,3 @@ cmake_minimum_required(VERSION 3.5) include($ENV{IDF_PATH}/tools/cmake/project.cmake) -project(empty-project) +project(demo) diff --git a/esp-idf/LICENSE b/firmware/esp-idf/get-started/LICENSE similarity index 100% rename from esp-idf/LICENSE rename to firmware/esp-idf/get-started/LICENSE diff --git a/esp-idf/Makefile b/firmware/esp-idf/get-started/Makefile similarity index 53% rename from esp-idf/Makefile rename to firmware/esp-idf/get-started/Makefile index 71660436..35e44eb6 100644 --- a/esp-idf/Makefile +++ b/firmware/esp-idf/get-started/Makefile @@ -1,2 +1,2 @@ -PROJECT_NAME := empty_project +PROJECT_NAME := demo include $(IDF_PATH)/make/project.mk \ No newline at end of file diff --git a/firmware/esp-idf/get-started/components/cjson/CMakeLists.txt b/firmware/esp-idf/get-started/components/cjson/CMakeLists.txt new file mode 100644 index 00000000..817807f1 --- /dev/null +++ b/firmware/esp-idf/get-started/components/cjson/CMakeLists.txt @@ -0,0 +1,3 @@ +set(COMPONENT_SRCS "cJSON_Utils.c" "cJSON.c") +set(COMPONENT_ADD_INCLUDEDIRS ". include") +register_component() diff --git a/firmware/esp-idf/get-started/components/cjson/cJSON.c b/firmware/esp-idf/get-started/components/cjson/cJSON.c new file mode 100644 index 00000000..3b37355f --- /dev/null +++ b/firmware/esp-idf/get-started/components/cjson/cJSON.c @@ -0,0 +1,3107 @@ +/* + Copyright (c) 2009-2017 Dave Gamble and cJSON contributors + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +/* cJSON */ +/* JSON parser in C. */ + +/* disable warnings about old C89 functions in MSVC */ +#if !defined(_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER) +#define _CRT_SECURE_NO_DEPRECATE +#endif + +#ifdef __GNUC__ +#pragma GCC visibility push(default) +#endif +#if defined(_MSC_VER) +#pragma warning (push) +/* disable warning about single line comments in system headers */ +#pragma warning (disable : 4001) +#endif + +#include +#include +#include +#include +#include +#include +#include + +#ifdef ENABLE_LOCALES +#include +#endif + +#if defined(_MSC_VER) +#pragma warning (pop) +#endif +#ifdef __GNUC__ +#pragma GCC visibility pop +#endif + +#include "cJSON.h" + +/* define our own boolean type */ +#ifdef true +#undef true +#endif +#define true ((cJSON_bool)1) + +#ifdef false +#undef false +#endif +#define false ((cJSON_bool)0) + +/* define isnan and isinf for ANSI C, if in C99 or above, isnan and isinf has been defined in math.h */ +#ifndef isinf +#define isinf(d) (isnan((d - d)) && !isnan(d)) +#endif +#ifndef isnan +#define isnan(d) (d != d) +#endif + +#ifndef NAN +#ifdef _WIN32 +#define NAN sqrt(-1.0) +#else +#define NAN 0.0/0.0 +#endif +#endif + +typedef struct { + const unsigned char *json; + size_t position; +} error; +static error global_error = { NULL, 0 }; + +CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void) +{ + return (const char*) (global_error.json + global_error.position); +} + +CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item) +{ + if (!cJSON_IsString(item)) + { + return NULL; + } + + return item->valuestring; +} + +CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item) +{ + if (!cJSON_IsNumber(item)) + { + return (double) NAN; + } + + return item->valuedouble; +} + +/* This is a safeguard to prevent copy-pasters from using incompatible C and header files */ +#if (CJSON_VERSION_MAJOR != 1) || (CJSON_VERSION_MINOR != 7) || (CJSON_VERSION_PATCH != 14) + #error cJSON.h and cJSON.c have different versions. Make sure that both have the same. +#endif + +CJSON_PUBLIC(const char*) cJSON_Version(void) +{ + static char version[15]; + sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH); + + return version; +} + +/* Case insensitive string comparison, doesn't consider two NULL pointers equal though */ +static int case_insensitive_strcmp(const unsigned char *string1, const unsigned char *string2) +{ + if ((string1 == NULL) || (string2 == NULL)) + { + return 1; + } + + if (string1 == string2) + { + return 0; + } + + for(; tolower(*string1) == tolower(*string2); (void)string1++, string2++) + { + if (*string1 == '\0') + { + return 0; + } + } + + return tolower(*string1) - tolower(*string2); +} + +typedef struct internal_hooks +{ + void *(CJSON_CDECL *allocate)(size_t size); + void (CJSON_CDECL *deallocate)(void *pointer); + void *(CJSON_CDECL *reallocate)(void *pointer, size_t size); +} internal_hooks; + +#if defined(_MSC_VER) +/* work around MSVC error C2322: '...' address of dllimport '...' is not static */ +static void * CJSON_CDECL internal_malloc(size_t size) +{ + return malloc(size); +} +static void CJSON_CDECL internal_free(void *pointer) +{ + free(pointer); +} +static void * CJSON_CDECL internal_realloc(void *pointer, size_t size) +{ + return realloc(pointer, size); +} +#else +#define internal_malloc malloc +#define internal_free free +#define internal_realloc realloc +#endif + +/* strlen of character literals resolved at compile time */ +#define static_strlen(string_literal) (sizeof(string_literal) - sizeof("")) + +static internal_hooks global_hooks = { internal_malloc, internal_free, internal_realloc }; + +static unsigned char* cJSON_strdup(const unsigned char* string, const internal_hooks * const hooks) +{ + size_t length = 0; + unsigned char *copy = NULL; + + if (string == NULL) + { + return NULL; + } + + length = strlen((const char*)string) + sizeof(""); + copy = (unsigned char*)hooks->allocate(length); + if (copy == NULL) + { + return NULL; + } + memcpy(copy, string, length); + + return copy; +} + +CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks) +{ + if (hooks == NULL) + { + /* Reset hooks */ + global_hooks.allocate = malloc; + global_hooks.deallocate = free; + global_hooks.reallocate = realloc; + return; + } + + global_hooks.allocate = malloc; + if (hooks->malloc_fn != NULL) + { + global_hooks.allocate = hooks->malloc_fn; + } + + global_hooks.deallocate = free; + if (hooks->free_fn != NULL) + { + global_hooks.deallocate = hooks->free_fn; + } + + /* use realloc only if both free and malloc are used */ + global_hooks.reallocate = NULL; + if ((global_hooks.allocate == malloc) && (global_hooks.deallocate == free)) + { + global_hooks.reallocate = realloc; + } +} + +/* Internal constructor. */ +static cJSON *cJSON_New_Item(const internal_hooks * const hooks) +{ + cJSON* node = (cJSON*)hooks->allocate(sizeof(cJSON)); + if (node) + { + memset(node, '\0', sizeof(cJSON)); + } + + return node; +} + +/* Delete a cJSON structure. */ +CJSON_PUBLIC(void) cJSON_Delete(cJSON *item) +{ + cJSON *next = NULL; + while (item != NULL) + { + next = item->next; + if (!(item->type & cJSON_IsReference) && (item->child != NULL)) + { + cJSON_Delete(item->child); + } + if (!(item->type & cJSON_IsReference) && (item->valuestring != NULL)) + { + global_hooks.deallocate(item->valuestring); + } + if (!(item->type & cJSON_StringIsConst) && (item->string != NULL)) + { + global_hooks.deallocate(item->string); + } + global_hooks.deallocate(item); + item = next; + } +} + +/* get the decimal point character of the current locale */ +static unsigned char get_decimal_point(void) +{ +#ifdef ENABLE_LOCALES + struct lconv *lconv = localeconv(); + return (unsigned char) lconv->decimal_point[0]; +#else + return '.'; +#endif +} + +typedef struct +{ + const unsigned char *content; + size_t length; + size_t offset; + size_t depth; /* How deeply nested (in arrays/objects) is the input at the current offset. */ + internal_hooks hooks; +} parse_buffer; + +/* check if the given size is left to read in a given parse buffer (starting with 1) */ +#define can_read(buffer, size) ((buffer != NULL) && (((buffer)->offset + size) <= (buffer)->length)) +/* check if the buffer can be accessed at the given index (starting with 0) */ +#define can_access_at_index(buffer, index) ((buffer != NULL) && (((buffer)->offset + index) < (buffer)->length)) +#define cannot_access_at_index(buffer, index) (!can_access_at_index(buffer, index)) +/* get a pointer to the buffer at the position */ +#define buffer_at_offset(buffer) ((buffer)->content + (buffer)->offset) + +/* Parse the input text to generate a number, and populate the result into item. */ +static cJSON_bool parse_number(cJSON * const item, parse_buffer * const input_buffer) +{ + double number = 0; + unsigned char *after_end = NULL; + unsigned char number_c_string[64]; + unsigned char decimal_point = get_decimal_point(); + size_t i = 0; + + if ((input_buffer == NULL) || (input_buffer->content == NULL)) + { + return false; + } + + /* copy the number into a temporary buffer and replace '.' with the decimal point + * of the current locale (for strtod) + * This also takes care of '\0' not necessarily being available for marking the end of the input */ + for (i = 0; (i < (sizeof(number_c_string) - 1)) && can_access_at_index(input_buffer, i); i++) + { + switch (buffer_at_offset(input_buffer)[i]) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + case '+': + case '-': + case 'e': + case 'E': + number_c_string[i] = buffer_at_offset(input_buffer)[i]; + break; + + case '.': + number_c_string[i] = decimal_point; + break; + + default: + goto loop_end; + } + } +loop_end: + number_c_string[i] = '\0'; + + number = strtod((const char*)number_c_string, (char**)&after_end); + if (number_c_string == after_end) + { + return false; /* parse_error */ + } + + item->valuedouble = number; + + /* use saturation in case of overflow */ + if (number >= INT_MAX) + { + item->valueint = INT_MAX; + } + else if (number <= (double)INT_MIN) + { + item->valueint = INT_MIN; + } + else + { + item->valueint = (int)number; + } + + item->type = cJSON_Number; + + input_buffer->offset += (size_t)(after_end - number_c_string); + return true; +} + +/* don't ask me, but the original cJSON_SetNumberValue returns an integer or double */ +CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number) +{ + if (number >= INT_MAX) + { + object->valueint = INT_MAX; + } + else if (number <= (double)INT_MIN) + { + object->valueint = INT_MIN; + } + else + { + object->valueint = (int)number; + } + + return object->valuedouble = number; +} + +CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring) +{ + char *copy = NULL; + /* if object's type is not cJSON_String or is cJSON_IsReference, it should not set valuestring */ + if (!(object->type & cJSON_String) || (object->type & cJSON_IsReference)) + { + return NULL; + } + if (strlen(valuestring) <= strlen(object->valuestring)) + { + strcpy(object->valuestring, valuestring); + return object->valuestring; + } + copy = (char*) cJSON_strdup((const unsigned char*)valuestring, &global_hooks); + if (copy == NULL) + { + return NULL; + } + if (object->valuestring != NULL) + { + cJSON_free(object->valuestring); + } + object->valuestring = copy; + + return copy; +} + +typedef struct +{ + unsigned char *buffer; + size_t length; + size_t offset; + size_t depth; /* current nesting depth (for formatted printing) */ + cJSON_bool noalloc; + cJSON_bool format; /* is this print a formatted print */ + internal_hooks hooks; +} printbuffer; + +/* realloc printbuffer if necessary to have at least "needed" bytes more */ +static unsigned char* ensure(printbuffer * const p, size_t needed) +{ + unsigned char *newbuffer = NULL; + size_t newsize = 0; + + if ((p == NULL) || (p->buffer == NULL)) + { + return NULL; + } + + if ((p->length > 0) && (p->offset >= p->length)) + { + /* make sure that offset is valid */ + return NULL; + } + + if (needed > INT_MAX) + { + /* sizes bigger than INT_MAX are currently not supported */ + return NULL; + } + + needed += p->offset + 1; + if (needed <= p->length) + { + return p->buffer + p->offset; + } + + if (p->noalloc) { + return NULL; + } + + /* calculate new buffer size */ + if (needed > (INT_MAX / 2)) + { + /* overflow of int, use INT_MAX if possible */ + if (needed <= INT_MAX) + { + newsize = INT_MAX; + } + else + { + return NULL; + } + } + else + { + newsize = needed * 2; + } + + if (p->hooks.reallocate != NULL) + { + /* reallocate with realloc if available */ + newbuffer = (unsigned char*)p->hooks.reallocate(p->buffer, newsize); + if (newbuffer == NULL) + { + p->hooks.deallocate(p->buffer); + p->length = 0; + p->buffer = NULL; + + return NULL; + } + } + else + { + /* otherwise reallocate manually */ + newbuffer = (unsigned char*)p->hooks.allocate(newsize); + if (!newbuffer) + { + p->hooks.deallocate(p->buffer); + p->length = 0; + p->buffer = NULL; + + return NULL; + } + + memcpy(newbuffer, p->buffer, p->offset + 1); + p->hooks.deallocate(p->buffer); + } + p->length = newsize; + p->buffer = newbuffer; + + return newbuffer + p->offset; +} + +/* calculate the new length of the string in a printbuffer and update the offset */ +static void update_offset(printbuffer * const buffer) +{ + const unsigned char *buffer_pointer = NULL; + if ((buffer == NULL) || (buffer->buffer == NULL)) + { + return; + } + buffer_pointer = buffer->buffer + buffer->offset; + + buffer->offset += strlen((const char*)buffer_pointer); +} + +/* securely comparison of floating-point variables */ +static cJSON_bool compare_double(double a, double b) +{ + double maxVal = fabs(a) > fabs(b) ? fabs(a) : fabs(b); + return (fabs(a - b) <= maxVal * DBL_EPSILON); +} + +/* Render the number nicely from the given item into a string. */ +static cJSON_bool print_number(const cJSON * const item, printbuffer * const output_buffer) +{ + unsigned char *output_pointer = NULL; + double d = item->valuedouble; + int length = 0; + size_t i = 0; + unsigned char number_buffer[26] = {0}; /* temporary buffer to print the number into */ + unsigned char decimal_point = get_decimal_point(); + double test = 0.0; + + if (output_buffer == NULL) + { + return false; + } + + /* This checks for NaN and Infinity */ + if (isnan(d) || isinf(d)) + { + length = sprintf((char*)number_buffer, "null"); + } + else + { + /* Try 15 decimal places of precision to avoid nonsignificant nonzero digits */ + length = sprintf((char*)number_buffer, "%1.15g", d); + + /* Check whether the original double can be recovered */ + if ((sscanf((char*)number_buffer, "%lg", &test) != 1) || !compare_double((double)test, d)) + { + /* If not, print with 17 decimal places of precision */ + length = sprintf((char*)number_buffer, "%1.17g", d); + } + } + + /* sprintf failed or buffer overrun occurred */ + if ((length < 0) || (length > (int)(sizeof(number_buffer) - 1))) + { + return false; + } + + /* reserve appropriate space in the output */ + output_pointer = ensure(output_buffer, (size_t)length + sizeof("")); + if (output_pointer == NULL) + { + return false; + } + + /* copy the printed number to the output and replace locale + * dependent decimal point with '.' */ + for (i = 0; i < ((size_t)length); i++) + { + if (number_buffer[i] == decimal_point) + { + output_pointer[i] = '.'; + continue; + } + + output_pointer[i] = number_buffer[i]; + } + output_pointer[i] = '\0'; + + output_buffer->offset += (size_t)length; + + return true; +} + +/* parse 4 digit hexadecimal number */ +static unsigned parse_hex4(const unsigned char * const input) +{ + unsigned int h = 0; + size_t i = 0; + + for (i = 0; i < 4; i++) + { + /* parse digit */ + if ((input[i] >= '0') && (input[i] <= '9')) + { + h += (unsigned int) input[i] - '0'; + } + else if ((input[i] >= 'A') && (input[i] <= 'F')) + { + h += (unsigned int) 10 + input[i] - 'A'; + } + else if ((input[i] >= 'a') && (input[i] <= 'f')) + { + h += (unsigned int) 10 + input[i] - 'a'; + } + else /* invalid */ + { + return 0; + } + + if (i < 3) + { + /* shift left to make place for the next nibble */ + h = h << 4; + } + } + + return h; +} + +/* converts a UTF-16 literal to UTF-8 + * A literal can be one or two sequences of the form \uXXXX */ +static unsigned char utf16_literal_to_utf8(const unsigned char * const input_pointer, const unsigned char * const input_end, unsigned char **output_pointer) +{ + long unsigned int codepoint = 0; + unsigned int first_code = 0; + const unsigned char *first_sequence = input_pointer; + unsigned char utf8_length = 0; + unsigned char utf8_position = 0; + unsigned char sequence_length = 0; + unsigned char first_byte_mark = 0; + + if ((input_end - first_sequence) < 6) + { + /* input ends unexpectedly */ + goto fail; + } + + /* get the first utf16 sequence */ + first_code = parse_hex4(first_sequence + 2); + + /* check that the code is valid */ + if (((first_code >= 0xDC00) && (first_code <= 0xDFFF))) + { + goto fail; + } + + /* UTF16 surrogate pair */ + if ((first_code >= 0xD800) && (first_code <= 0xDBFF)) + { + const unsigned char *second_sequence = first_sequence + 6; + unsigned int second_code = 0; + sequence_length = 12; /* \uXXXX\uXXXX */ + + if ((input_end - second_sequence) < 6) + { + /* input ends unexpectedly */ + goto fail; + } + + if ((second_sequence[0] != '\\') || (second_sequence[1] != 'u')) + { + /* missing second half of the surrogate pair */ + goto fail; + } + + /* get the second utf16 sequence */ + second_code = parse_hex4(second_sequence + 2); + /* check that the code is valid */ + if ((second_code < 0xDC00) || (second_code > 0xDFFF)) + { + /* invalid second half of the surrogate pair */ + goto fail; + } + + + /* calculate the unicode codepoint from the surrogate pair */ + codepoint = 0x10000 + (((first_code & 0x3FF) << 10) | (second_code & 0x3FF)); + } + else + { + sequence_length = 6; /* \uXXXX */ + codepoint = first_code; + } + + /* encode as UTF-8 + * takes at maximum 4 bytes to encode: + * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ + if (codepoint < 0x80) + { + /* normal ascii, encoding 0xxxxxxx */ + utf8_length = 1; + } + else if (codepoint < 0x800) + { + /* two bytes, encoding 110xxxxx 10xxxxxx */ + utf8_length = 2; + first_byte_mark = 0xC0; /* 11000000 */ + } + else if (codepoint < 0x10000) + { + /* three bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx */ + utf8_length = 3; + first_byte_mark = 0xE0; /* 11100000 */ + } + else if (codepoint <= 0x10FFFF) + { + /* four bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx 10xxxxxx */ + utf8_length = 4; + first_byte_mark = 0xF0; /* 11110000 */ + } + else + { + /* invalid unicode codepoint */ + goto fail; + } + + /* encode as utf8 */ + for (utf8_position = (unsigned char)(utf8_length - 1); utf8_position > 0; utf8_position--) + { + /* 10xxxxxx */ + (*output_pointer)[utf8_position] = (unsigned char)((codepoint | 0x80) & 0xBF); + codepoint >>= 6; + } + /* encode first byte */ + if (utf8_length > 1) + { + (*output_pointer)[0] = (unsigned char)((codepoint | first_byte_mark) & 0xFF); + } + else + { + (*output_pointer)[0] = (unsigned char)(codepoint & 0x7F); + } + + *output_pointer += utf8_length; + + return sequence_length; + +fail: + return 0; +} + +/* Parse the input text into an unescaped cinput, and populate item. */ +static cJSON_bool parse_string(cJSON * const item, parse_buffer * const input_buffer) +{ + const unsigned char *input_pointer = buffer_at_offset(input_buffer) + 1; + const unsigned char *input_end = buffer_at_offset(input_buffer) + 1; + unsigned char *output_pointer = NULL; + unsigned char *output = NULL; + + /* not a string */ + if (buffer_at_offset(input_buffer)[0] != '\"') + { + goto fail; + } + + { + /* calculate approximate size of the output (overestimate) */ + size_t allocation_length = 0; + size_t skipped_bytes = 0; + while (((size_t)(input_end - input_buffer->content) < input_buffer->length) && (*input_end != '\"')) + { + /* is escape sequence */ + if (input_end[0] == '\\') + { + if ((size_t)(input_end + 1 - input_buffer->content) >= input_buffer->length) + { + /* prevent buffer overflow when last input character is a backslash */ + goto fail; + } + skipped_bytes++; + input_end++; + } + input_end++; + } + if (((size_t)(input_end - input_buffer->content) >= input_buffer->length) || (*input_end != '\"')) + { + goto fail; /* string ended unexpectedly */ + } + + /* This is at most how much we need for the output */ + allocation_length = (size_t) (input_end - buffer_at_offset(input_buffer)) - skipped_bytes; + output = (unsigned char*)input_buffer->hooks.allocate(allocation_length + sizeof("")); + if (output == NULL) + { + goto fail; /* allocation failure */ + } + } + + output_pointer = output; + /* loop through the string literal */ + while (input_pointer < input_end) + { + if (*input_pointer != '\\') + { + *output_pointer++ = *input_pointer++; + } + /* escape sequence */ + else + { + unsigned char sequence_length = 2; + if ((input_end - input_pointer) < 1) + { + goto fail; + } + + switch (input_pointer[1]) + { + case 'b': + *output_pointer++ = '\b'; + break; + case 'f': + *output_pointer++ = '\f'; + break; + case 'n': + *output_pointer++ = '\n'; + break; + case 'r': + *output_pointer++ = '\r'; + break; + case 't': + *output_pointer++ = '\t'; + break; + case '\"': + case '\\': + case '/': + *output_pointer++ = input_pointer[1]; + break; + + /* UTF-16 literal */ + case 'u': + sequence_length = utf16_literal_to_utf8(input_pointer, input_end, &output_pointer); + if (sequence_length == 0) + { + /* failed to convert UTF16-literal to UTF-8 */ + goto fail; + } + break; + + default: + goto fail; + } + input_pointer += sequence_length; + } + } + + /* zero terminate the output */ + *output_pointer = '\0'; + + item->type = cJSON_String; + item->valuestring = (char*)output; + + input_buffer->offset = (size_t) (input_end - input_buffer->content); + input_buffer->offset++; + + return true; + +fail: + if (output != NULL) + { + input_buffer->hooks.deallocate(output); + } + + if (input_pointer != NULL) + { + input_buffer->offset = (size_t)(input_pointer - input_buffer->content); + } + + return false; +} + +/* Render the cstring provided to an escaped version that can be printed. */ +static cJSON_bool print_string_ptr(const unsigned char * const input, printbuffer * const output_buffer) +{ + const unsigned char *input_pointer = NULL; + unsigned char *output = NULL; + unsigned char *output_pointer = NULL; + size_t output_length = 0; + /* numbers of additional characters needed for escaping */ + size_t escape_characters = 0; + + if (output_buffer == NULL) + { + return false; + } + + /* empty string */ + if (input == NULL) + { + output = ensure(output_buffer, sizeof("\"\"")); + if (output == NULL) + { + return false; + } + strcpy((char*)output, "\"\""); + + return true; + } + + /* set "flag" to 1 if something needs to be escaped */ + for (input_pointer = input; *input_pointer; input_pointer++) + { + switch (*input_pointer) + { + case '\"': + case '\\': + case '\b': + case '\f': + case '\n': + case '\r': + case '\t': + /* one character escape sequence */ + escape_characters++; + break; + default: + if (*input_pointer < 32) + { + /* UTF-16 escape sequence uXXXX */ + escape_characters += 5; + } + break; + } + } + output_length = (size_t)(input_pointer - input) + escape_characters; + + output = ensure(output_buffer, output_length + sizeof("\"\"")); + if (output == NULL) + { + return false; + } + + /* no characters have to be escaped */ + if (escape_characters == 0) + { + output[0] = '\"'; + memcpy(output + 1, input, output_length); + output[output_length + 1] = '\"'; + output[output_length + 2] = '\0'; + + return true; + } + + output[0] = '\"'; + output_pointer = output + 1; + /* copy the string */ + for (input_pointer = input; *input_pointer != '\0'; (void)input_pointer++, output_pointer++) + { + if ((*input_pointer > 31) && (*input_pointer != '\"') && (*input_pointer != '\\')) + { + /* normal character, copy */ + *output_pointer = *input_pointer; + } + else + { + /* character needs to be escaped */ + *output_pointer++ = '\\'; + switch (*input_pointer) + { + case '\\': + *output_pointer = '\\'; + break; + case '\"': + *output_pointer = '\"'; + break; + case '\b': + *output_pointer = 'b'; + break; + case '\f': + *output_pointer = 'f'; + break; + case '\n': + *output_pointer = 'n'; + break; + case '\r': + *output_pointer = 'r'; + break; + case '\t': + *output_pointer = 't'; + break; + default: + /* escape and print as unicode codepoint */ + sprintf((char*)output_pointer, "u%04x", *input_pointer); + output_pointer += 4; + break; + } + } + } + output[output_length + 1] = '\"'; + output[output_length + 2] = '\0'; + + return true; +} + +/* Invoke print_string_ptr (which is useful) on an item. */ +static cJSON_bool print_string(const cJSON * const item, printbuffer * const p) +{ + return print_string_ptr((unsigned char*)item->valuestring, p); +} + +/* Predeclare these prototypes. */ +static cJSON_bool parse_value(cJSON * const item, parse_buffer * const input_buffer); +static cJSON_bool print_value(const cJSON * const item, printbuffer * const output_buffer); +static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buffer); +static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer); +static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer); +static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer); + +/* Utility to jump whitespace and cr/lf */ +static parse_buffer *buffer_skip_whitespace(parse_buffer * const buffer) +{ + if ((buffer == NULL) || (buffer->content == NULL)) + { + return NULL; + } + + if (cannot_access_at_index(buffer, 0)) + { + return buffer; + } + + while (can_access_at_index(buffer, 0) && (buffer_at_offset(buffer)[0] <= 32)) + { + buffer->offset++; + } + + if (buffer->offset == buffer->length) + { + buffer->offset--; + } + + return buffer; +} + +/* skip the UTF-8 BOM (byte order mark) if it is at the beginning of a buffer */ +static parse_buffer *skip_utf8_bom(parse_buffer * const buffer) +{ + if ((buffer == NULL) || (buffer->content == NULL) || (buffer->offset != 0)) + { + return NULL; + } + + if (can_access_at_index(buffer, 4) && (strncmp((const char*)buffer_at_offset(buffer), "\xEF\xBB\xBF", 3) == 0)) + { + buffer->offset += 3; + } + + return buffer; +} + +CJSON_PUBLIC(cJSON *) cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated) +{ + size_t buffer_length; + + if (NULL == value) + { + return NULL; + } + + /* Adding null character size due to require_null_terminated. */ + buffer_length = strlen(value) + sizeof(""); + + return cJSON_ParseWithLengthOpts(value, buffer_length, return_parse_end, require_null_terminated); +} + +/* Parse an object - create a new root, and populate. */ +CJSON_PUBLIC(cJSON *) cJSON_ParseWithLengthOpts(const char *value, size_t buffer_length, const char **return_parse_end, cJSON_bool require_null_terminated) +{ + parse_buffer buffer = { 0, 0, 0, 0, { 0, 0, 0 } }; + cJSON *item = NULL; + + /* reset error position */ + global_error.json = NULL; + global_error.position = 0; + + if (value == NULL || 0 == buffer_length) + { + goto fail; + } + + buffer.content = (const unsigned char*)value; + buffer.length = buffer_length; + buffer.offset = 0; + buffer.hooks = global_hooks; + + item = cJSON_New_Item(&global_hooks); + if (item == NULL) /* memory fail */ + { + goto fail; + } + + if (!parse_value(item, buffer_skip_whitespace(skip_utf8_bom(&buffer)))) + { + /* parse failure. ep is set. */ + goto fail; + } + + /* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */ + if (require_null_terminated) + { + buffer_skip_whitespace(&buffer); + if ((buffer.offset >= buffer.length) || buffer_at_offset(&buffer)[0] != '\0') + { + goto fail; + } + } + if (return_parse_end) + { + *return_parse_end = (const char*)buffer_at_offset(&buffer); + } + + return item; + +fail: + if (item != NULL) + { + cJSON_Delete(item); + } + + if (value != NULL) + { + error local_error; + local_error.json = (const unsigned char*)value; + local_error.position = 0; + + if (buffer.offset < buffer.length) + { + local_error.position = buffer.offset; + } + else if (buffer.length > 0) + { + local_error.position = buffer.length - 1; + } + + if (return_parse_end != NULL) + { + *return_parse_end = (const char*)local_error.json + local_error.position; + } + + global_error = local_error; + } + + return NULL; +} + +/* Default options for cJSON_Parse */ +CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value) +{ + return cJSON_ParseWithOpts(value, 0, 0); +} + +CJSON_PUBLIC(cJSON *) cJSON_ParseWithLength(const char *value, size_t buffer_length) +{ + return cJSON_ParseWithLengthOpts(value, buffer_length, 0, 0); +} + +#define cjson_min(a, b) (((a) < (b)) ? (a) : (b)) + +static unsigned char *print(const cJSON * const item, cJSON_bool format, const internal_hooks * const hooks) +{ + static const size_t default_buffer_size = 256; + printbuffer buffer[1]; + unsigned char *printed = NULL; + + memset(buffer, 0, sizeof(buffer)); + + /* create buffer */ + buffer->buffer = (unsigned char*) hooks->allocate(default_buffer_size); + buffer->length = default_buffer_size; + buffer->format = format; + buffer->hooks = *hooks; + if (buffer->buffer == NULL) + { + goto fail; + } + + /* print the value */ + if (!print_value(item, buffer)) + { + goto fail; + } + update_offset(buffer); + + /* check if reallocate is available */ + if (hooks->reallocate != NULL) + { + printed = (unsigned char*) hooks->reallocate(buffer->buffer, buffer->offset + 1); + if (printed == NULL) { + goto fail; + } + buffer->buffer = NULL; + } + else /* otherwise copy the JSON over to a new buffer */ + { + printed = (unsigned char*) hooks->allocate(buffer->offset + 1); + if (printed == NULL) + { + goto fail; + } + memcpy(printed, buffer->buffer, cjson_min(buffer->length, buffer->offset + 1)); + printed[buffer->offset] = '\0'; /* just to be sure */ + + /* free the buffer */ + hooks->deallocate(buffer->buffer); + } + + return printed; + +fail: + if (buffer->buffer != NULL) + { + hooks->deallocate(buffer->buffer); + } + + if (printed != NULL) + { + hooks->deallocate(printed); + } + + return NULL; +} + +/* Render a cJSON item/entity/structure to text. */ +CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item) +{ + return (char*)print(item, true, &global_hooks); +} + +CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item) +{ + return (char*)print(item, false, &global_hooks); +} + +CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt) +{ + printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } }; + + if (prebuffer < 0) + { + return NULL; + } + + p.buffer = (unsigned char*)global_hooks.allocate((size_t)prebuffer); + if (!p.buffer) + { + return NULL; + } + + p.length = (size_t)prebuffer; + p.offset = 0; + p.noalloc = false; + p.format = fmt; + p.hooks = global_hooks; + + if (!print_value(item, &p)) + { + global_hooks.deallocate(p.buffer); + return NULL; + } + + return (char*)p.buffer; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buffer, const int length, const cJSON_bool format) +{ + printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } }; + + if ((length < 0) || (buffer == NULL)) + { + return false; + } + + p.buffer = (unsigned char*)buffer; + p.length = (size_t)length; + p.offset = 0; + p.noalloc = true; + p.format = format; + p.hooks = global_hooks; + + return print_value(item, &p); +} + +/* Parser core - when encountering text, process appropriately. */ +static cJSON_bool parse_value(cJSON * const item, parse_buffer * const input_buffer) +{ + if ((input_buffer == NULL) || (input_buffer->content == NULL)) + { + return false; /* no input */ + } + + /* parse the different types of values */ + /* null */ + if (can_read(input_buffer, 4) && (strncmp((const char*)buffer_at_offset(input_buffer), "null", 4) == 0)) + { + item->type = cJSON_NULL; + input_buffer->offset += 4; + return true; + } + /* false */ + if (can_read(input_buffer, 5) && (strncmp((const char*)buffer_at_offset(input_buffer), "false", 5) == 0)) + { + item->type = cJSON_False; + input_buffer->offset += 5; + return true; + } + /* true */ + if (can_read(input_buffer, 4) && (strncmp((const char*)buffer_at_offset(input_buffer), "true", 4) == 0)) + { + item->type = cJSON_True; + item->valueint = 1; + input_buffer->offset += 4; + return true; + } + /* string */ + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '\"')) + { + return parse_string(item, input_buffer); + } + /* number */ + if (can_access_at_index(input_buffer, 0) && ((buffer_at_offset(input_buffer)[0] == '-') || ((buffer_at_offset(input_buffer)[0] >= '0') && (buffer_at_offset(input_buffer)[0] <= '9')))) + { + return parse_number(item, input_buffer); + } + /* array */ + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '[')) + { + return parse_array(item, input_buffer); + } + /* object */ + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '{')) + { + return parse_object(item, input_buffer); + } + + return false; +} + +/* Render a value to text. */ +static cJSON_bool print_value(const cJSON * const item, printbuffer * const output_buffer) +{ + unsigned char *output = NULL; + + if ((item == NULL) || (output_buffer == NULL)) + { + return false; + } + + switch ((item->type) & 0xFF) + { + case cJSON_NULL: + output = ensure(output_buffer, 5); + if (output == NULL) + { + return false; + } + strcpy((char*)output, "null"); + return true; + + case cJSON_False: + output = ensure(output_buffer, 6); + if (output == NULL) + { + return false; + } + strcpy((char*)output, "false"); + return true; + + case cJSON_True: + output = ensure(output_buffer, 5); + if (output == NULL) + { + return false; + } + strcpy((char*)output, "true"); + return true; + + case cJSON_Number: + return print_number(item, output_buffer); + + case cJSON_Raw: + { + size_t raw_length = 0; + if (item->valuestring == NULL) + { + return false; + } + + raw_length = strlen(item->valuestring) + sizeof(""); + output = ensure(output_buffer, raw_length); + if (output == NULL) + { + return false; + } + memcpy(output, item->valuestring, raw_length); + return true; + } + + case cJSON_String: + return print_string(item, output_buffer); + + case cJSON_Array: + return print_array(item, output_buffer); + + case cJSON_Object: + return print_object(item, output_buffer); + + default: + return false; + } +} + +/* Build an array from input text. */ +static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buffer) +{ + cJSON *head = NULL; /* head of the linked list */ + cJSON *current_item = NULL; + + if (input_buffer->depth >= CJSON_NESTING_LIMIT) + { + return false; /* to deeply nested */ + } + input_buffer->depth++; + + if (buffer_at_offset(input_buffer)[0] != '[') + { + /* not an array */ + goto fail; + } + + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ']')) + { + /* empty array */ + goto success; + } + + /* check if we skipped to the end of the buffer */ + if (cannot_access_at_index(input_buffer, 0)) + { + input_buffer->offset--; + goto fail; + } + + /* step back to character in front of the first element */ + input_buffer->offset--; + /* loop through the comma separated array elements */ + do + { + /* allocate next item */ + cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks)); + if (new_item == NULL) + { + goto fail; /* allocation failure */ + } + + /* attach next item to list */ + if (head == NULL) + { + /* start the linked list */ + current_item = head = new_item; + } + else + { + /* add to the end and advance */ + current_item->next = new_item; + new_item->prev = current_item; + current_item = new_item; + } + + /* parse next value */ + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (!parse_value(current_item, input_buffer)) + { + goto fail; /* failed to parse value */ + } + buffer_skip_whitespace(input_buffer); + } + while (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ',')); + + if (cannot_access_at_index(input_buffer, 0) || buffer_at_offset(input_buffer)[0] != ']') + { + goto fail; /* expected end of array */ + } + +success: + input_buffer->depth--; + + if (head != NULL) { + head->prev = current_item; + } + + item->type = cJSON_Array; + item->child = head; + + input_buffer->offset++; + + return true; + +fail: + if (head != NULL) + { + cJSON_Delete(head); + } + + return false; +} + +/* Render an array to text */ +static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer) +{ + unsigned char *output_pointer = NULL; + size_t length = 0; + cJSON *current_element = item->child; + + if (output_buffer == NULL) + { + return false; + } + + /* Compose the output array. */ + /* opening square bracket */ + output_pointer = ensure(output_buffer, 1); + if (output_pointer == NULL) + { + return false; + } + + *output_pointer = '['; + output_buffer->offset++; + output_buffer->depth++; + + while (current_element != NULL) + { + if (!print_value(current_element, output_buffer)) + { + return false; + } + update_offset(output_buffer); + if (current_element->next) + { + length = (size_t) (output_buffer->format ? 2 : 1); + output_pointer = ensure(output_buffer, length + 1); + if (output_pointer == NULL) + { + return false; + } + *output_pointer++ = ','; + if(output_buffer->format) + { + *output_pointer++ = ' '; + } + *output_pointer = '\0'; + output_buffer->offset += length; + } + current_element = current_element->next; + } + + output_pointer = ensure(output_buffer, 2); + if (output_pointer == NULL) + { + return false; + } + *output_pointer++ = ']'; + *output_pointer = '\0'; + output_buffer->depth--; + + return true; +} + +/* Build an object from the text. */ +static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer) +{ + cJSON *head = NULL; /* linked list head */ + cJSON *current_item = NULL; + + if (input_buffer->depth >= CJSON_NESTING_LIMIT) + { + return false; /* to deeply nested */ + } + input_buffer->depth++; + + if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '{')) + { + goto fail; /* not an object */ + } + + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '}')) + { + goto success; /* empty object */ + } + + /* check if we skipped to the end of the buffer */ + if (cannot_access_at_index(input_buffer, 0)) + { + input_buffer->offset--; + goto fail; + } + + /* step back to character in front of the first element */ + input_buffer->offset--; + /* loop through the comma separated array elements */ + do + { + /* allocate next item */ + cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks)); + if (new_item == NULL) + { + goto fail; /* allocation failure */ + } + + /* attach next item to list */ + if (head == NULL) + { + /* start the linked list */ + current_item = head = new_item; + } + else + { + /* add to the end and advance */ + current_item->next = new_item; + new_item->prev = current_item; + current_item = new_item; + } + + /* parse the name of the child */ + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (!parse_string(current_item, input_buffer)) + { + goto fail; /* failed to parse name */ + } + buffer_skip_whitespace(input_buffer); + + /* swap valuestring and string, because we parsed the name */ + current_item->string = current_item->valuestring; + current_item->valuestring = NULL; + + if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != ':')) + { + goto fail; /* invalid object */ + } + + /* parse the value */ + input_buffer->offset++; + buffer_skip_whitespace(input_buffer); + if (!parse_value(current_item, input_buffer)) + { + goto fail; /* failed to parse value */ + } + buffer_skip_whitespace(input_buffer); + } + while (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ',')); + + if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '}')) + { + goto fail; /* expected end of object */ + } + +success: + input_buffer->depth--; + + if (head != NULL) { + head->prev = current_item; + } + + item->type = cJSON_Object; + item->child = head; + + input_buffer->offset++; + return true; + +fail: + if (head != NULL) + { + cJSON_Delete(head); + } + + return false; +} + +/* Render an object to text. */ +static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer) +{ + unsigned char *output_pointer = NULL; + size_t length = 0; + cJSON *current_item = item->child; + + if (output_buffer == NULL) + { + return false; + } + + /* Compose the output: */ + length = (size_t) (output_buffer->format ? 2 : 1); /* fmt: {\n */ + output_pointer = ensure(output_buffer, length + 1); + if (output_pointer == NULL) + { + return false; + } + + *output_pointer++ = '{'; + output_buffer->depth++; + if (output_buffer->format) + { + *output_pointer++ = '\n'; + } + output_buffer->offset += length; + + while (current_item) + { + if (output_buffer->format) + { + size_t i; + output_pointer = ensure(output_buffer, output_buffer->depth); + if (output_pointer == NULL) + { + return false; + } + for (i = 0; i < output_buffer->depth; i++) + { + *output_pointer++ = '\t'; + } + output_buffer->offset += output_buffer->depth; + } + + /* print key */ + if (!print_string_ptr((unsigned char*)current_item->string, output_buffer)) + { + return false; + } + update_offset(output_buffer); + + length = (size_t) (output_buffer->format ? 2 : 1); + output_pointer = ensure(output_buffer, length); + if (output_pointer == NULL) + { + return false; + } + *output_pointer++ = ':'; + if (output_buffer->format) + { + *output_pointer++ = '\t'; + } + output_buffer->offset += length; + + /* print value */ + if (!print_value(current_item, output_buffer)) + { + return false; + } + update_offset(output_buffer); + + /* print comma if not last */ + length = ((size_t)(output_buffer->format ? 1 : 0) + (size_t)(current_item->next ? 1 : 0)); + output_pointer = ensure(output_buffer, length + 1); + if (output_pointer == NULL) + { + return false; + } + if (current_item->next) + { + *output_pointer++ = ','; + } + + if (output_buffer->format) + { + *output_pointer++ = '\n'; + } + *output_pointer = '\0'; + output_buffer->offset += length; + + current_item = current_item->next; + } + + output_pointer = ensure(output_buffer, output_buffer->format ? (output_buffer->depth + 1) : 2); + if (output_pointer == NULL) + { + return false; + } + if (output_buffer->format) + { + size_t i; + for (i = 0; i < (output_buffer->depth - 1); i++) + { + *output_pointer++ = '\t'; + } + } + *output_pointer++ = '}'; + *output_pointer = '\0'; + output_buffer->depth--; + + return true; +} + +/* Get Array size/item / object item. */ +CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array) +{ + cJSON *child = NULL; + size_t size = 0; + + if (array == NULL) + { + return 0; + } + + child = array->child; + + while(child != NULL) + { + size++; + child = child->next; + } + + /* FIXME: Can overflow here. Cannot be fixed without breaking the API */ + + return (int)size; +} + +static cJSON* get_array_item(const cJSON *array, size_t index) +{ + cJSON *current_child = NULL; + + if (array == NULL) + { + return NULL; + } + + current_child = array->child; + while ((current_child != NULL) && (index > 0)) + { + index--; + current_child = current_child->next; + } + + return current_child; +} + +CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index) +{ + if (index < 0) + { + return NULL; + } + + return get_array_item(array, (size_t)index); +} + +static cJSON *get_object_item(const cJSON * const object, const char * const name, const cJSON_bool case_sensitive) +{ + cJSON *current_element = NULL; + + if ((object == NULL) || (name == NULL)) + { + return NULL; + } + + current_element = object->child; + if (case_sensitive) + { + while ((current_element != NULL) && (current_element->string != NULL) && (strcmp(name, current_element->string) != 0)) + { + current_element = current_element->next; + } + } + else + { + while ((current_element != NULL) && (case_insensitive_strcmp((const unsigned char*)name, (const unsigned char*)(current_element->string)) != 0)) + { + current_element = current_element->next; + } + } + + if ((current_element == NULL) || (current_element->string == NULL)) { + return NULL; + } + + return current_element; +} + +CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string) +{ + return get_object_item(object, string, false); +} + +CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON * const object, const char * const string) +{ + return get_object_item(object, string, true); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string) +{ + return cJSON_GetObjectItem(object, string) ? 1 : 0; +} + +/* Utility for array list handling. */ +static void suffix_object(cJSON *prev, cJSON *item) +{ + prev->next = item; + item->prev = prev; +} + +/* Utility for handling references. */ +static cJSON *create_reference(const cJSON *item, const internal_hooks * const hooks) +{ + cJSON *reference = NULL; + if (item == NULL) + { + return NULL; + } + + reference = cJSON_New_Item(hooks); + if (reference == NULL) + { + return NULL; + } + + memcpy(reference, item, sizeof(cJSON)); + reference->string = NULL; + reference->type |= cJSON_IsReference; + reference->next = reference->prev = NULL; + return reference; +} + +static cJSON_bool add_item_to_array(cJSON *array, cJSON *item) +{ + cJSON *child = NULL; + + if ((item == NULL) || (array == NULL) || (array == item)) + { + return false; + } + + child = array->child; + /* + * To find the last item in array quickly, we use prev in array + */ + if (child == NULL) + { + /* list is empty, start new one */ + array->child = item; + item->prev = item; + item->next = NULL; + } + else + { + /* append to the end */ + if (child->prev) + { + suffix_object(child->prev, item); + array->child->prev = item; + } + } + + return true; +} + +/* Add item to array/object. */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item) +{ + return add_item_to_array(array, item); +} + +#if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))) + #pragma GCC diagnostic push +#endif +#ifdef __GNUC__ +#pragma GCC diagnostic ignored "-Wcast-qual" +#endif +/* helper function to cast away const */ +static void* cast_away_const(const void* string) +{ + return (void*)string; +} +#if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))) + #pragma GCC diagnostic pop +#endif + + +static cJSON_bool add_item_to_object(cJSON * const object, const char * const string, cJSON * const item, const internal_hooks * const hooks, const cJSON_bool constant_key) +{ + char *new_key = NULL; + int new_type = cJSON_Invalid; + + if ((object == NULL) || (string == NULL) || (item == NULL) || (object == item)) + { + return false; + } + + if (constant_key) + { + new_key = (char*)cast_away_const(string); + new_type = item->type | cJSON_StringIsConst; + } + else + { + new_key = (char*)cJSON_strdup((const unsigned char*)string, hooks); + if (new_key == NULL) + { + return false; + } + + new_type = item->type & ~cJSON_StringIsConst; + } + + if (!(item->type & cJSON_StringIsConst) && (item->string != NULL)) + { + hooks->deallocate(item->string); + } + + item->string = new_key; + item->type = new_type; + + return add_item_to_array(object, item); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item) +{ + return add_item_to_object(object, string, item, &global_hooks, false); +} + +/* Add an item to an object with constant string as key */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item) +{ + return add_item_to_object(object, string, item, &global_hooks, true); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) +{ + if (array == NULL) + { + return false; + } + + return add_item_to_array(array, create_reference(item, &global_hooks)); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item) +{ + if ((object == NULL) || (string == NULL)) + { + return false; + } + + return add_item_to_object(object, string, create_reference(item, &global_hooks), &global_hooks, false); +} + +CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name) +{ + cJSON *null = cJSON_CreateNull(); + if (add_item_to_object(object, name, null, &global_hooks, false)) + { + return null; + } + + cJSON_Delete(null); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddTrueToObject(cJSON * const object, const char * const name) +{ + cJSON *true_item = cJSON_CreateTrue(); + if (add_item_to_object(object, name, true_item, &global_hooks, false)) + { + return true_item; + } + + cJSON_Delete(true_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddFalseToObject(cJSON * const object, const char * const name) +{ + cJSON *false_item = cJSON_CreateFalse(); + if (add_item_to_object(object, name, false_item, &global_hooks, false)) + { + return false_item; + } + + cJSON_Delete(false_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddBoolToObject(cJSON * const object, const char * const name, const cJSON_bool boolean) +{ + cJSON *bool_item = cJSON_CreateBool(boolean); + if (add_item_to_object(object, name, bool_item, &global_hooks, false)) + { + return bool_item; + } + + cJSON_Delete(bool_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddNumberToObject(cJSON * const object, const char * const name, const double number) +{ + cJSON *number_item = cJSON_CreateNumber(number); + if (add_item_to_object(object, name, number_item, &global_hooks, false)) + { + return number_item; + } + + cJSON_Delete(number_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddStringToObject(cJSON * const object, const char * const name, const char * const string) +{ + cJSON *string_item = cJSON_CreateString(string); + if (add_item_to_object(object, name, string_item, &global_hooks, false)) + { + return string_item; + } + + cJSON_Delete(string_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddRawToObject(cJSON * const object, const char * const name, const char * const raw) +{ + cJSON *raw_item = cJSON_CreateRaw(raw); + if (add_item_to_object(object, name, raw_item, &global_hooks, false)) + { + return raw_item; + } + + cJSON_Delete(raw_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddObjectToObject(cJSON * const object, const char * const name) +{ + cJSON *object_item = cJSON_CreateObject(); + if (add_item_to_object(object, name, object_item, &global_hooks, false)) + { + return object_item; + } + + cJSON_Delete(object_item); + return NULL; +} + +CJSON_PUBLIC(cJSON*) cJSON_AddArrayToObject(cJSON * const object, const char * const name) +{ + cJSON *array = cJSON_CreateArray(); + if (add_item_to_object(object, name, array, &global_hooks, false)) + { + return array; + } + + cJSON_Delete(array); + return NULL; +} + +CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item) +{ + if ((parent == NULL) || (item == NULL)) + { + return NULL; + } + + if (item != parent->child) + { + /* not the first element */ + item->prev->next = item->next; + } + if (item->next != NULL) + { + /* not the last element */ + item->next->prev = item->prev; + } + + if (item == parent->child) + { + /* first element */ + parent->child = item->next; + } + else if (item->next == NULL) + { + /* last element */ + parent->child->prev = item->prev; + } + + /* make sure the detached item doesn't point anywhere anymore */ + item->prev = NULL; + item->next = NULL; + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which) +{ + if (which < 0) + { + return NULL; + } + + return cJSON_DetachItemViaPointer(array, get_array_item(array, (size_t)which)); +} + +CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which) +{ + cJSON_Delete(cJSON_DetachItemFromArray(array, which)); +} + +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObject(cJSON *object, const char *string) +{ + cJSON *to_detach = cJSON_GetObjectItem(object, string); + + return cJSON_DetachItemViaPointer(object, to_detach); +} + +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string) +{ + cJSON *to_detach = cJSON_GetObjectItemCaseSensitive(object, string); + + return cJSON_DetachItemViaPointer(object, to_detach); +} + +CJSON_PUBLIC(void) cJSON_DeleteItemFromObject(cJSON *object, const char *string) +{ + cJSON_Delete(cJSON_DetachItemFromObject(object, string)); +} + +CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string) +{ + cJSON_Delete(cJSON_DetachItemFromObjectCaseSensitive(object, string)); +} + +/* Replace array/object items with new ones. */ +CJSON_PUBLIC(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem) +{ + cJSON *after_inserted = NULL; + + if (which < 0) + { + return false; + } + + after_inserted = get_array_item(array, (size_t)which); + if (after_inserted == NULL) + { + return add_item_to_array(array, newitem); + } + + newitem->next = after_inserted; + newitem->prev = after_inserted->prev; + after_inserted->prev = newitem; + if (after_inserted == array->child) + { + array->child = newitem; + } + else + { + newitem->prev->next = newitem; + } + return true; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement) +{ + if ((parent == NULL) || (replacement == NULL) || (item == NULL)) + { + return false; + } + + if (replacement == item) + { + return true; + } + + replacement->next = item->next; + replacement->prev = item->prev; + + if (replacement->next != NULL) + { + replacement->next->prev = replacement; + } + if (parent->child == item) + { + if (parent->child->prev == parent->child) + { + replacement->prev = replacement; + } + parent->child = replacement; + } + else + { /* + * To find the last item in array quickly, we use prev in array. + * We can't modify the last item's next pointer where this item was the parent's child + */ + if (replacement->prev != NULL) + { + replacement->prev->next = replacement; + } + if (replacement->next == NULL) + { + parent->child->prev = replacement; + } + } + + item->next = NULL; + item->prev = NULL; + cJSON_Delete(item); + + return true; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem) +{ + if (which < 0) + { + return false; + } + + return cJSON_ReplaceItemViaPointer(array, get_array_item(array, (size_t)which), newitem); +} + +static cJSON_bool replace_item_in_object(cJSON *object, const char *string, cJSON *replacement, cJSON_bool case_sensitive) +{ + if ((replacement == NULL) || (string == NULL)) + { + return false; + } + + /* replace the name in the replacement */ + if (!(replacement->type & cJSON_StringIsConst) && (replacement->string != NULL)) + { + cJSON_free(replacement->string); + } + replacement->string = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks); + replacement->type &= ~cJSON_StringIsConst; + + return cJSON_ReplaceItemViaPointer(object, get_object_item(object, string, case_sensitive), replacement); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem) +{ + return replace_item_in_object(object, string, newitem, false); +} + +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, const char *string, cJSON *newitem) +{ + return replace_item_in_object(object, string, newitem, true); +} + +/* Create basic types: */ +CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_NULL; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_True; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_False; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = boolean ? cJSON_True : cJSON_False; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_Number; + item->valuedouble = num; + + /* use saturation in case of overflow */ + if (num >= INT_MAX) + { + item->valueint = INT_MAX; + } + else if (num <= (double)INT_MIN) + { + item->valueint = INT_MIN; + } + else + { + item->valueint = (int)num; + } + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_String; + item->valuestring = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks); + if(!item->valuestring) + { + cJSON_Delete(item); + return NULL; + } + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateStringReference(const char *string) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if (item != NULL) + { + item->type = cJSON_String | cJSON_IsReference; + item->valuestring = (char*)cast_away_const(string); + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if (item != NULL) { + item->type = cJSON_Object | cJSON_IsReference; + item->child = (cJSON*)cast_away_const(child); + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child) { + cJSON *item = cJSON_New_Item(&global_hooks); + if (item != NULL) { + item->type = cJSON_Array | cJSON_IsReference; + item->child = (cJSON*)cast_away_const(child); + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type = cJSON_Raw; + item->valuestring = (char*)cJSON_strdup((const unsigned char*)raw, &global_hooks); + if(!item->valuestring) + { + cJSON_Delete(item); + return NULL; + } + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if(item) + { + item->type=cJSON_Array; + } + + return item; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void) +{ + cJSON *item = cJSON_New_Item(&global_hooks); + if (item) + { + item->type = cJSON_Object; + } + + return item; +} + +/* Create Arrays: */ +CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count) +{ + size_t i = 0; + cJSON *n = NULL; + cJSON *p = NULL; + cJSON *a = NULL; + + if ((count < 0) || (numbers == NULL)) + { + return NULL; + } + + a = cJSON_CreateArray(); + + for(i = 0; a && (i < (size_t)count); i++) + { + n = cJSON_CreateNumber(numbers[i]); + if (!n) + { + cJSON_Delete(a); + return NULL; + } + if(!i) + { + a->child = n; + } + else + { + suffix_object(p, n); + } + p = n; + } + + if (a && a->child) { + a->child->prev = n; + } + + return a; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count) +{ + size_t i = 0; + cJSON *n = NULL; + cJSON *p = NULL; + cJSON *a = NULL; + + if ((count < 0) || (numbers == NULL)) + { + return NULL; + } + + a = cJSON_CreateArray(); + + for(i = 0; a && (i < (size_t)count); i++) + { + n = cJSON_CreateNumber((double)numbers[i]); + if(!n) + { + cJSON_Delete(a); + return NULL; + } + if(!i) + { + a->child = n; + } + else + { + suffix_object(p, n); + } + p = n; + } + + if (a && a->child) { + a->child->prev = n; + } + + return a; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count) +{ + size_t i = 0; + cJSON *n = NULL; + cJSON *p = NULL; + cJSON *a = NULL; + + if ((count < 0) || (numbers == NULL)) + { + return NULL; + } + + a = cJSON_CreateArray(); + + for(i = 0; a && (i < (size_t)count); i++) + { + n = cJSON_CreateNumber(numbers[i]); + if(!n) + { + cJSON_Delete(a); + return NULL; + } + if(!i) + { + a->child = n; + } + else + { + suffix_object(p, n); + } + p = n; + } + + if (a && a->child) { + a->child->prev = n; + } + + return a; +} + +CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char *const *strings, int count) +{ + size_t i = 0; + cJSON *n = NULL; + cJSON *p = NULL; + cJSON *a = NULL; + + if ((count < 0) || (strings == NULL)) + { + return NULL; + } + + a = cJSON_CreateArray(); + + for (i = 0; a && (i < (size_t)count); i++) + { + n = cJSON_CreateString(strings[i]); + if(!n) + { + cJSON_Delete(a); + return NULL; + } + if(!i) + { + a->child = n; + } + else + { + suffix_object(p,n); + } + p = n; + } + + if (a && a->child) { + a->child->prev = n; + } + + return a; +} + +/* Duplication */ +CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse) +{ + cJSON *newitem = NULL; + cJSON *child = NULL; + cJSON *next = NULL; + cJSON *newchild = NULL; + + /* Bail on bad ptr */ + if (!item) + { + goto fail; + } + /* Create new item */ + newitem = cJSON_New_Item(&global_hooks); + if (!newitem) + { + goto fail; + } + /* Copy over all vars */ + newitem->type = item->type & (~cJSON_IsReference); + newitem->valueint = item->valueint; + newitem->valuedouble = item->valuedouble; + if (item->valuestring) + { + newitem->valuestring = (char*)cJSON_strdup((unsigned char*)item->valuestring, &global_hooks); + if (!newitem->valuestring) + { + goto fail; + } + } + if (item->string) + { + newitem->string = (item->type&cJSON_StringIsConst) ? item->string : (char*)cJSON_strdup((unsigned char*)item->string, &global_hooks); + if (!newitem->string) + { + goto fail; + } + } + /* If non-recursive, then we're done! */ + if (!recurse) + { + return newitem; + } + /* Walk the ->next chain for the child. */ + child = item->child; + while (child != NULL) + { + newchild = cJSON_Duplicate(child, true); /* Duplicate (with recurse) each item in the ->next chain */ + if (!newchild) + { + goto fail; + } + if (next != NULL) + { + /* If newitem->child already set, then crosswire ->prev and ->next and move on */ + next->next = newchild; + newchild->prev = next; + next = newchild; + } + else + { + /* Set newitem->child and move to it */ + newitem->child = newchild; + next = newchild; + } + child = child->next; + } + if (newitem && newitem->child) + { + newitem->child->prev = newchild; + } + + return newitem; + +fail: + if (newitem != NULL) + { + cJSON_Delete(newitem); + } + + return NULL; +} + +static void skip_oneline_comment(char **input) +{ + *input += static_strlen("//"); + + for (; (*input)[0] != '\0'; ++(*input)) + { + if ((*input)[0] == '\n') { + *input += static_strlen("\n"); + return; + } + } +} + +static void skip_multiline_comment(char **input) +{ + *input += static_strlen("/*"); + + for (; (*input)[0] != '\0'; ++(*input)) + { + if (((*input)[0] == '*') && ((*input)[1] == '/')) + { + *input += static_strlen("*/"); + return; + } + } +} + +static void minify_string(char **input, char **output) { + (*output)[0] = (*input)[0]; + *input += static_strlen("\""); + *output += static_strlen("\""); + + + for (; (*input)[0] != '\0'; (void)++(*input), ++(*output)) { + (*output)[0] = (*input)[0]; + + if ((*input)[0] == '\"') { + (*output)[0] = '\"'; + *input += static_strlen("\""); + *output += static_strlen("\""); + return; + } else if (((*input)[0] == '\\') && ((*input)[1] == '\"')) { + (*output)[1] = (*input)[1]; + *input += static_strlen("\""); + *output += static_strlen("\""); + } + } +} + +CJSON_PUBLIC(void) cJSON_Minify(char *json) +{ + char *into = json; + + if (json == NULL) + { + return; + } + + while (json[0] != '\0') + { + switch (json[0]) + { + case ' ': + case '\t': + case '\r': + case '\n': + json++; + break; + + case '/': + if (json[1] == '/') + { + skip_oneline_comment(&json); + } + else if (json[1] == '*') + { + skip_multiline_comment(&json); + } else { + json++; + } + break; + + case '\"': + minify_string(&json, (char**)&into); + break; + + default: + into[0] = json[0]; + json++; + into++; + } + } + + /* and null-terminate. */ + *into = '\0'; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Invalid; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_False; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xff) == cJSON_True; +} + + +CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & (cJSON_True | cJSON_False)) != 0; +} +CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_NULL; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Number; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_String; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Array; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Object; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON * const item) +{ + if (item == NULL) + { + return false; + } + + return (item->type & 0xFF) == cJSON_Raw; +} + +CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * const b, const cJSON_bool case_sensitive) +{ + if ((a == NULL) || (b == NULL) || ((a->type & 0xFF) != (b->type & 0xFF)) || cJSON_IsInvalid(a)) + { + return false; + } + + /* check if type is valid */ + switch (a->type & 0xFF) + { + case cJSON_False: + case cJSON_True: + case cJSON_NULL: + case cJSON_Number: + case cJSON_String: + case cJSON_Raw: + case cJSON_Array: + case cJSON_Object: + break; + + default: + return false; + } + + /* identical objects are equal */ + if (a == b) + { + return true; + } + + switch (a->type & 0xFF) + { + /* in these cases and equal type is enough */ + case cJSON_False: + case cJSON_True: + case cJSON_NULL: + return true; + + case cJSON_Number: + if (compare_double(a->valuedouble, b->valuedouble)) + { + return true; + } + return false; + + case cJSON_String: + case cJSON_Raw: + if ((a->valuestring == NULL) || (b->valuestring == NULL)) + { + return false; + } + if (strcmp(a->valuestring, b->valuestring) == 0) + { + return true; + } + + return false; + + case cJSON_Array: + { + cJSON *a_element = a->child; + cJSON *b_element = b->child; + + for (; (a_element != NULL) && (b_element != NULL);) + { + if (!cJSON_Compare(a_element, b_element, case_sensitive)) + { + return false; + } + + a_element = a_element->next; + b_element = b_element->next; + } + + /* one of the arrays is longer than the other */ + if (a_element != b_element) { + return false; + } + + return true; + } + + case cJSON_Object: + { + cJSON *a_element = NULL; + cJSON *b_element = NULL; + cJSON_ArrayForEach(a_element, a) + { + /* TODO This has O(n^2) runtime, which is horrible! */ + b_element = get_object_item(b, a_element->string, case_sensitive); + if (b_element == NULL) + { + return false; + } + + if (!cJSON_Compare(a_element, b_element, case_sensitive)) + { + return false; + } + } + + /* doing this twice, once on a and b to prevent true comparison if a subset of b + * TODO: Do this the proper way, this is just a fix for now */ + cJSON_ArrayForEach(b_element, b) + { + a_element = get_object_item(a, b_element->string, case_sensitive); + if (a_element == NULL) + { + return false; + } + + if (!cJSON_Compare(b_element, a_element, case_sensitive)) + { + return false; + } + } + + return true; + } + + default: + return false; + } +} + +CJSON_PUBLIC(void *) cJSON_malloc(size_t size) +{ + return global_hooks.allocate(size); +} + +CJSON_PUBLIC(void) cJSON_free(void *object) +{ + global_hooks.deallocate(object); +} \ No newline at end of file diff --git a/firmware/esp-idf/get-started/components/cjson/cJSON_Utils.c b/firmware/esp-idf/get-started/components/cjson/cJSON_Utils.c new file mode 100644 index 00000000..15d4b64d --- /dev/null +++ b/firmware/esp-idf/get-started/components/cjson/cJSON_Utils.c @@ -0,0 +1,1477 @@ +/* + Copyright (c) 2009-2017 Dave Gamble and cJSON contributors + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +/* disable warnings about old C89 functions in MSVC */ +#if !defined(_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER) +#define _CRT_SECURE_NO_DEPRECATE +#endif + +#ifdef __GNUCC__ +#pragma GCC visibility push(default) +#endif +#if defined(_MSC_VER) +#pragma warning (push) +/* disable warning about single line comments in system headers */ +#pragma warning (disable : 4001) +#endif + +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(_MSC_VER) +#pragma warning (pop) +#endif +#ifdef __GNUCC__ +#pragma GCC visibility pop +#endif + +#include "cJSON_Utils.h" + +/* define our own boolean type */ +#ifdef true +#undef true +#endif +#define true ((cJSON_bool)1) + +#ifdef false +#undef false +#endif +#define false ((cJSON_bool)0) + +static unsigned char* cJSONUtils_strdup(const unsigned char* const string) +{ + size_t length = 0; + unsigned char *copy = NULL; + + length = strlen((const char*)string) + sizeof(""); + copy = (unsigned char*) cJSON_malloc(length); + if (copy == NULL) + { + return NULL; + } + memcpy(copy, string, length); + + return copy; +} + +/* string comparison which doesn't consider NULL pointers equal */ +static int compare_strings(const unsigned char *string1, const unsigned char *string2, const cJSON_bool case_sensitive) +{ + if ((string1 == NULL) || (string2 == NULL)) + { + return 1; + } + + if (string1 == string2) + { + return 0; + } + + if (case_sensitive) + { + return strcmp((const char*)string1, (const char*)string2); + } + + for(; tolower(*string1) == tolower(*string2); (void)string1++, string2++) + { + if (*string1 == '\0') + { + return 0; + } + } + + return tolower(*string1) - tolower(*string2); +} + +/* securely comparison of floating-point variables */ +static cJSON_bool compare_double(double a, double b) +{ + double maxVal = fabs(a) > fabs(b) ? fabs(a) : fabs(b); + return (fabs(a - b) <= maxVal * DBL_EPSILON); +} + + +/* Compare the next path element of two JSON pointers, two NULL pointers are considered unequal: */ +static cJSON_bool compare_pointers(const unsigned char *name, const unsigned char *pointer, const cJSON_bool case_sensitive) +{ + if ((name == NULL) || (pointer == NULL)) + { + return false; + } + + for (; (*name != '\0') && (*pointer != '\0') && (*pointer != '/'); (void)name++, pointer++) /* compare until next '/' */ + { + if (*pointer == '~') + { + /* check for escaped '~' (~0) and '/' (~1) */ + if (((pointer[1] != '0') || (*name != '~')) && ((pointer[1] != '1') || (*name != '/'))) + { + /* invalid escape sequence or wrong character in *name */ + return false; + } + else + { + pointer++; + } + } + else if ((!case_sensitive && (tolower(*name) != tolower(*pointer))) || (case_sensitive && (*name != *pointer))) + { + return false; + } + } + if (((*pointer != 0) && (*pointer != '/')) != (*name != 0)) + { + /* one string has ended, the other not */ + return false;; + } + + return true; +} + +/* calculate the length of a string if encoded as JSON pointer with ~0 and ~1 escape sequences */ +static size_t pointer_encoded_length(const unsigned char *string) +{ + size_t length; + for (length = 0; *string != '\0'; (void)string++, length++) + { + /* character needs to be escaped? */ + if ((*string == '~') || (*string == '/')) + { + length++; + } + } + + return length; +} + +/* copy a string while escaping '~' and '/' with ~0 and ~1 JSON pointer escape codes */ +static void encode_string_as_pointer(unsigned char *destination, const unsigned char *source) +{ + for (; source[0] != '\0'; (void)source++, destination++) + { + if (source[0] == '/') + { + destination[0] = '~'; + destination[1] = '1'; + destination++; + } + else if (source[0] == '~') + { + destination[0] = '~'; + destination[1] = '0'; + destination++; + } + else + { + destination[0] = source[0]; + } + } + + destination[0] = '\0'; +} + +CJSON_PUBLIC(char *) cJSONUtils_FindPointerFromObjectTo(const cJSON * const object, const cJSON * const target) +{ + size_t child_index = 0; + cJSON *current_child = 0; + + if ((object == NULL) || (target == NULL)) + { + return NULL; + } + + if (object == target) + { + /* found */ + return (char*)cJSONUtils_strdup((const unsigned char*)""); + } + + /* recursively search all children of the object or array */ + for (current_child = object->child; current_child != NULL; (void)(current_child = current_child->next), child_index++) + { + unsigned char *target_pointer = (unsigned char*)cJSONUtils_FindPointerFromObjectTo(current_child, target); + /* found the target? */ + if (target_pointer != NULL) + { + if (cJSON_IsArray(object)) + { + /* reserve enough memory for a 64 bit integer + '/' and '\0' */ + unsigned char *full_pointer = (unsigned char*)cJSON_malloc(strlen((char*)target_pointer) + 20 + sizeof("/")); + /* check if conversion to unsigned long is valid + * This should be eliminated at compile time by dead code elimination + * if size_t is an alias of unsigned long, or if it is bigger */ + if (child_index > ULONG_MAX) + { + cJSON_free(target_pointer); + cJSON_free(full_pointer); + return NULL; + } + sprintf((char*)full_pointer, "/%lu%s", (unsigned long)child_index, target_pointer); /* / */ + cJSON_free(target_pointer); + + return (char*)full_pointer; + } + + if (cJSON_IsObject(object)) + { + unsigned char *full_pointer = (unsigned char*)cJSON_malloc(strlen((char*)target_pointer) + pointer_encoded_length((unsigned char*)current_child->string) + 2); + full_pointer[0] = '/'; + encode_string_as_pointer(full_pointer + 1, (unsigned char*)current_child->string); + strcat((char*)full_pointer, (char*)target_pointer); + cJSON_free(target_pointer); + + return (char*)full_pointer; + } + + /* reached leaf of the tree, found nothing */ + cJSON_free(target_pointer); + return NULL; + } + } + + /* not found */ + return NULL; +} + +/* non broken version of cJSON_GetArrayItem */ +static cJSON *get_array_item(const cJSON *array, size_t item) +{ + cJSON *child = array ? array->child : NULL; + while ((child != NULL) && (item > 0)) + { + item--; + child = child->next; + } + + return child; +} + +static cJSON_bool decode_array_index_from_pointer(const unsigned char * const pointer, size_t * const index) +{ + size_t parsed_index = 0; + size_t position = 0; + + if ((pointer[0] == '0') && ((pointer[1] != '\0') && (pointer[1] != '/'))) + { + /* leading zeroes are not permitted */ + return 0; + } + + for (position = 0; (pointer[position] >= '0') && (pointer[0] <= '9'); position++) + { + parsed_index = (10 * parsed_index) + (size_t)(pointer[position] - '0'); + + } + + if ((pointer[position] != '\0') && (pointer[position] != '/')) + { + return 0; + } + + *index = parsed_index; + + return 1; +} + +static cJSON *get_item_from_pointer(cJSON * const object, const char * pointer, const cJSON_bool case_sensitive) +{ + cJSON *current_element = object; + + if (pointer == NULL) + { + return NULL; + } + + /* follow path of the pointer */ + while ((pointer[0] == '/') && (current_element != NULL)) + { + pointer++; + if (cJSON_IsArray(current_element)) + { + size_t index = 0; + if (!decode_array_index_from_pointer((const unsigned char*)pointer, &index)) + { + return NULL; + } + + current_element = get_array_item(current_element, index); + } + else if (cJSON_IsObject(current_element)) + { + current_element = current_element->child; + /* GetObjectItem. */ + while ((current_element != NULL) && !compare_pointers((unsigned char*)current_element->string, (const unsigned char*)pointer, case_sensitive)) + { + current_element = current_element->next; + } + } + else + { + return NULL; + } + + /* skip to the next path token or end of string */ + while ((pointer[0] != '\0') && (pointer[0] != '/')) + { + pointer++; + } + } + + return current_element; +} + +CJSON_PUBLIC(cJSON *) cJSONUtils_GetPointer(cJSON * const object, const char *pointer) +{ + return get_item_from_pointer(object, pointer, false); +} + +CJSON_PUBLIC(cJSON *) cJSONUtils_GetPointerCaseSensitive(cJSON * const object, const char *pointer) +{ + return get_item_from_pointer(object, pointer, true); +} + +/* JSON Patch implementation. */ +static void decode_pointer_inplace(unsigned char *string) +{ + unsigned char *decoded_string = string; + + if (string == NULL) { + return; + } + + for (; *string; (void)decoded_string++, string++) + { + if (string[0] == '~') + { + if (string[1] == '0') + { + decoded_string[0] = '~'; + } + else if (string[1] == '1') + { + decoded_string[1] = '/'; + } + else + { + /* invalid escape sequence */ + return; + } + + string++; + } + } + + decoded_string[0] = '\0'; +} + +/* non-broken cJSON_DetachItemFromArray */ +static cJSON *detach_item_from_array(cJSON *array, size_t which) +{ + cJSON *c = array->child; + while (c && (which > 0)) + { + c = c->next; + which--; + } + if (!c) + { + /* item doesn't exist */ + return NULL; + } + if (c != array->child) + { + /* not the first element */ + c->prev->next = c->next; + } + if (c->next) + { + c->next->prev = c->prev; + } + if (c == array->child) + { + array->child = c->next; + } + else if (c->next == NULL) + { + array->child->prev = c->prev; + } + /* make sure the detached item doesn't point anywhere anymore */ + c->prev = c->next = NULL; + + return c; +} + +/* detach an item at the given path */ +static cJSON *detach_path(cJSON *object, const unsigned char *path, const cJSON_bool case_sensitive) +{ + unsigned char *parent_pointer = NULL; + unsigned char *child_pointer = NULL; + cJSON *parent = NULL; + cJSON *detached_item = NULL; + + /* copy path and split it in parent and child */ + parent_pointer = cJSONUtils_strdup(path); + if (parent_pointer == NULL) { + goto cleanup; + } + + child_pointer = (unsigned char*)strrchr((char*)parent_pointer, '/'); /* last '/' */ + if (child_pointer == NULL) + { + goto cleanup; + } + /* split strings */ + child_pointer[0] = '\0'; + child_pointer++; + + parent = get_item_from_pointer(object, (char*)parent_pointer, case_sensitive); + decode_pointer_inplace(child_pointer); + + if (cJSON_IsArray(parent)) + { + size_t index = 0; + if (!decode_array_index_from_pointer(child_pointer, &index)) + { + goto cleanup; + } + detached_item = detach_item_from_array(parent, index); + } + else if (cJSON_IsObject(parent)) + { + detached_item = cJSON_DetachItemFromObject(parent, (char*)child_pointer); + } + else + { + /* Couldn't find object to remove child from. */ + goto cleanup; + } + +cleanup: + if (parent_pointer != NULL) + { + cJSON_free(parent_pointer); + } + + return detached_item; +} + +/* sort lists using mergesort */ +static cJSON *sort_list(cJSON *list, const cJSON_bool case_sensitive) +{ + cJSON *first = list; + cJSON *second = list; + cJSON *current_item = list; + cJSON *result = list; + cJSON *result_tail = NULL; + + if ((list == NULL) || (list->next == NULL)) + { + /* One entry is sorted already. */ + return result; + } + + while ((current_item != NULL) && (current_item->next != NULL) && (compare_strings((unsigned char*)current_item->string, (unsigned char*)current_item->next->string, case_sensitive) < 0)) + { + /* Test for list sorted. */ + current_item = current_item->next; + } + if ((current_item == NULL) || (current_item->next == NULL)) + { + /* Leave sorted lists unmodified. */ + return result; + } + + /* reset pointer to the beginning */ + current_item = list; + while (current_item != NULL) + { + /* Walk two pointers to find the middle. */ + second = second->next; + current_item = current_item->next; + /* advances current_item two steps at a time */ + if (current_item != NULL) + { + current_item = current_item->next; + } + } + if ((second != NULL) && (second->prev != NULL)) + { + /* Split the lists */ + second->prev->next = NULL; + second->prev = NULL; + } + + /* Recursively sort the sub-lists. */ + first = sort_list(first, case_sensitive); + second = sort_list(second, case_sensitive); + result = NULL; + + /* Merge the sub-lists */ + while ((first != NULL) && (second != NULL)) + { + cJSON *smaller = NULL; + if (compare_strings((unsigned char*)first->string, (unsigned char*)second->string, case_sensitive) < 0) + { + smaller = first; + } + else + { + smaller = second; + } + + if (result == NULL) + { + /* start merged list with the smaller element */ + result_tail = smaller; + result = smaller; + } + else + { + /* add smaller element to the list */ + result_tail->next = smaller; + smaller->prev = result_tail; + result_tail = smaller; + } + + if (first == smaller) + { + first = first->next; + } + else + { + second = second->next; + } + } + + if (first != NULL) + { + /* Append rest of first list. */ + if (result == NULL) + { + return first; + } + result_tail->next = first; + first->prev = result_tail; + } + if (second != NULL) + { + /* Append rest of second list */ + if (result == NULL) + { + return second; + } + result_tail->next = second; + second->prev = result_tail; + } + + return result; +} + +static void sort_object(cJSON * const object, const cJSON_bool case_sensitive) +{ + if (object == NULL) + { + return; + } + object->child = sort_list(object->child, case_sensitive); +} + +static cJSON_bool compare_json(cJSON *a, cJSON *b, const cJSON_bool case_sensitive) +{ + if ((a == NULL) || (b == NULL) || ((a->type & 0xFF) != (b->type & 0xFF))) + { + /* mismatched type. */ + return false; + } + switch (a->type & 0xFF) + { + case cJSON_Number: + /* numeric mismatch. */ + if ((a->valueint != b->valueint) || (!compare_double(a->valuedouble, b->valuedouble))) + { + return false; + } + else + { + return true; + } + + case cJSON_String: + /* string mismatch. */ + if (strcmp(a->valuestring, b->valuestring) != 0) + { + return false; + } + else + { + return true; + } + + case cJSON_Array: + for ((void)(a = a->child), b = b->child; (a != NULL) && (b != NULL); (void)(a = a->next), b = b->next) + { + cJSON_bool identical = compare_json(a, b, case_sensitive); + if (!identical) + { + return false; + } + } + + /* array size mismatch? (one of both children is not NULL) */ + if ((a != NULL) || (b != NULL)) + { + return false; + } + else + { + return true; + } + + case cJSON_Object: + sort_object(a, case_sensitive); + sort_object(b, case_sensitive); + for ((void)(a = a->child), b = b->child; (a != NULL) && (b != NULL); (void)(a = a->next), b = b->next) + { + cJSON_bool identical = false; + /* compare object keys */ + if (compare_strings((unsigned char*)a->string, (unsigned char*)b->string, case_sensitive)) + { + /* missing member */ + return false; + } + identical = compare_json(a, b, case_sensitive); + if (!identical) + { + return false; + } + } + + /* object length mismatch (one of both children is not null) */ + if ((a != NULL) || (b != NULL)) + { + return false; + } + else + { + return true; + } + + default: + break; + } + + /* null, true or false */ + return true; +} + +/* non broken version of cJSON_InsertItemInArray */ +static cJSON_bool insert_item_in_array(cJSON *array, size_t which, cJSON *newitem) +{ + cJSON *child = array->child; + while (child && (which > 0)) + { + child = child->next; + which--; + } + if (which > 0) + { + /* item is after the end of the array */ + return 0; + } + if (child == NULL) + { + cJSON_AddItemToArray(array, newitem); + return 1; + } + + /* insert into the linked list */ + newitem->next = child; + newitem->prev = child->prev; + child->prev = newitem; + + /* was it at the beginning */ + if (child == array->child) + { + array->child = newitem; + } + else + { + newitem->prev->next = newitem; + } + + return 1; +} + +static cJSON *get_object_item(const cJSON * const object, const char* name, const cJSON_bool case_sensitive) +{ + if (case_sensitive) + { + return cJSON_GetObjectItemCaseSensitive(object, name); + } + + return cJSON_GetObjectItem(object, name); +} + +enum patch_operation { INVALID, ADD, REMOVE, REPLACE, MOVE, COPY, TEST }; + +static enum patch_operation decode_patch_operation(const cJSON * const patch, const cJSON_bool case_sensitive) +{ + cJSON *operation = get_object_item(patch, "op", case_sensitive); + if (!cJSON_IsString(operation)) + { + return INVALID; + } + + if (strcmp(operation->valuestring, "add") == 0) + { + return ADD; + } + + if (strcmp(operation->valuestring, "remove") == 0) + { + return REMOVE; + } + + if (strcmp(operation->valuestring, "replace") == 0) + { + return REPLACE; + } + + if (strcmp(operation->valuestring, "move") == 0) + { + return MOVE; + } + + if (strcmp(operation->valuestring, "copy") == 0) + { + return COPY; + } + + if (strcmp(operation->valuestring, "test") == 0) + { + return TEST; + } + + return INVALID; +} + +/* overwrite and existing item with another one and free resources on the way */ +static void overwrite_item(cJSON * const root, const cJSON replacement) +{ + if (root == NULL) + { + return; + } + + if (root->string != NULL) + { + cJSON_free(root->string); + } + if (root->valuestring != NULL) + { + cJSON_free(root->valuestring); + } + if (root->child != NULL) + { + cJSON_Delete(root->child); + } + + memcpy(root, &replacement, sizeof(cJSON)); +} + +static int apply_patch(cJSON *object, const cJSON *patch, const cJSON_bool case_sensitive) +{ + cJSON *path = NULL; + cJSON *value = NULL; + cJSON *parent = NULL; + enum patch_operation opcode = INVALID; + unsigned char *parent_pointer = NULL; + unsigned char *child_pointer = NULL; + int status = 0; + + path = get_object_item(patch, "path", case_sensitive); + if (!cJSON_IsString(path)) + { + /* malformed patch. */ + status = 2; + goto cleanup; + } + + opcode = decode_patch_operation(patch, case_sensitive); + if (opcode == INVALID) + { + status = 3; + goto cleanup; + } + else if (opcode == TEST) + { + /* compare value: {...} with the given path */ + status = !compare_json(get_item_from_pointer(object, path->valuestring, case_sensitive), get_object_item(patch, "value", case_sensitive), case_sensitive); + goto cleanup; + } + + /* special case for replacing the root */ + if (path->valuestring[0] == '\0') + { + if (opcode == REMOVE) + { + static const cJSON invalid = { NULL, NULL, NULL, cJSON_Invalid, NULL, 0, 0, NULL}; + + overwrite_item(object, invalid); + + status = 0; + goto cleanup; + } + + if ((opcode == REPLACE) || (opcode == ADD)) + { + value = get_object_item(patch, "value", case_sensitive); + if (value == NULL) + { + /* missing "value" for add/replace. */ + status = 7; + goto cleanup; + } + + value = cJSON_Duplicate(value, 1); + if (value == NULL) + { + /* out of memory for add/replace. */ + status = 8; + goto cleanup; + } + + overwrite_item(object, *value); + + /* delete the duplicated value */ + cJSON_free(value); + value = NULL; + + /* the string "value" isn't needed */ + if (object->string != NULL) + { + cJSON_free(object->string); + object->string = NULL; + } + + status = 0; + goto cleanup; + } + } + + if ((opcode == REMOVE) || (opcode == REPLACE)) + { + /* Get rid of old. */ + cJSON *old_item = detach_path(object, (unsigned char*)path->valuestring, case_sensitive); + if (old_item == NULL) + { + status = 13; + goto cleanup; + } + cJSON_Delete(old_item); + if (opcode == REMOVE) + { + /* For Remove, this job is done. */ + status = 0; + goto cleanup; + } + } + + /* Copy/Move uses "from". */ + if ((opcode == MOVE) || (opcode == COPY)) + { + cJSON *from = get_object_item(patch, "from", case_sensitive); + if (from == NULL) + { + /* missing "from" for copy/move. */ + status = 4; + goto cleanup; + } + + if (opcode == MOVE) + { + value = detach_path(object, (unsigned char*)from->valuestring, case_sensitive); + } + if (opcode == COPY) + { + value = get_item_from_pointer(object, from->valuestring, case_sensitive); + } + if (value == NULL) + { + /* missing "from" for copy/move. */ + status = 5; + goto cleanup; + } + if (opcode == COPY) + { + value = cJSON_Duplicate(value, 1); + } + if (value == NULL) + { + /* out of memory for copy/move. */ + status = 6; + goto cleanup; + } + } + else /* Add/Replace uses "value". */ + { + value = get_object_item(patch, "value", case_sensitive); + if (value == NULL) + { + /* missing "value" for add/replace. */ + status = 7; + goto cleanup; + } + value = cJSON_Duplicate(value, 1); + if (value == NULL) + { + /* out of memory for add/replace. */ + status = 8; + goto cleanup; + } + } + + /* Now, just add "value" to "path". */ + + /* split pointer in parent and child */ + parent_pointer = cJSONUtils_strdup((unsigned char*)path->valuestring); + if (parent_pointer) { + child_pointer = (unsigned char*)strrchr((char*)parent_pointer, '/'); + } + if (child_pointer != NULL) + { + child_pointer[0] = '\0'; + child_pointer++; + } + parent = get_item_from_pointer(object, (char*)parent_pointer, case_sensitive); + decode_pointer_inplace(child_pointer); + + /* add, remove, replace, move, copy, test. */ + if ((parent == NULL) || (child_pointer == NULL)) + { + /* Couldn't find object to add to. */ + status = 9; + goto cleanup; + } + else if (cJSON_IsArray(parent)) + { + if (strcmp((char*)child_pointer, "-") == 0) + { + cJSON_AddItemToArray(parent, value); + value = NULL; + } + else + { + size_t index = 0; + if (!decode_array_index_from_pointer(child_pointer, &index)) + { + status = 11; + goto cleanup; + } + + if (!insert_item_in_array(parent, index, value)) + { + status = 10; + goto cleanup; + } + value = NULL; + } + } + else if (cJSON_IsObject(parent)) + { + if (case_sensitive) + { + cJSON_DeleteItemFromObjectCaseSensitive(parent, (char*)child_pointer); + } + else + { + cJSON_DeleteItemFromObject(parent, (char*)child_pointer); + } + cJSON_AddItemToObject(parent, (char*)child_pointer, value); + value = NULL; + } + else /* parent is not an object */ + { + /* Couldn't find object to add to. */ + status = 9; + goto cleanup; + } + +cleanup: + if (value != NULL) + { + cJSON_Delete(value); + } + if (parent_pointer != NULL) + { + cJSON_free(parent_pointer); + } + + return status; +} + +CJSON_PUBLIC(int) cJSONUtils_ApplyPatches(cJSON * const object, const cJSON * const patches) +{ + const cJSON *current_patch = NULL; + int status = 0; + + if (!cJSON_IsArray(patches)) + { + /* malformed patches. */ + return 1; + } + + if (patches != NULL) + { + current_patch = patches->child; + } + + while (current_patch != NULL) + { + status = apply_patch(object, current_patch, false); + if (status != 0) + { + return status; + } + current_patch = current_patch->next; + } + + return 0; +} + +CJSON_PUBLIC(int) cJSONUtils_ApplyPatchesCaseSensitive(cJSON * const object, const cJSON * const patches) +{ + const cJSON *current_patch = NULL; + int status = 0; + + if (!cJSON_IsArray(patches)) + { + /* malformed patches. */ + return 1; + } + + if (patches != NULL) + { + current_patch = patches->child; + } + + while (current_patch != NULL) + { + status = apply_patch(object, current_patch, true); + if (status != 0) + { + return status; + } + current_patch = current_patch->next; + } + + return 0; +} + +static void compose_patch(cJSON * const patches, const unsigned char * const operation, const unsigned char * const path, const unsigned char *suffix, const cJSON * const value) +{ + cJSON *patch = NULL; + + if ((patches == NULL) || (operation == NULL) || (path == NULL)) + { + return; + } + + patch = cJSON_CreateObject(); + if (patch == NULL) + { + return; + } + cJSON_AddItemToObject(patch, "op", cJSON_CreateString((const char*)operation)); + + if (suffix == NULL) + { + cJSON_AddItemToObject(patch, "path", cJSON_CreateString((const char*)path)); + } + else + { + size_t suffix_length = pointer_encoded_length(suffix); + size_t path_length = strlen((const char*)path); + unsigned char *full_path = (unsigned char*)cJSON_malloc(path_length + suffix_length + sizeof("/")); + + sprintf((char*)full_path, "%s/", (const char*)path); + encode_string_as_pointer(full_path + path_length + 1, suffix); + + cJSON_AddItemToObject(patch, "path", cJSON_CreateString((const char*)full_path)); + cJSON_free(full_path); + } + + if (value != NULL) + { + cJSON_AddItemToObject(patch, "value", cJSON_Duplicate(value, 1)); + } + cJSON_AddItemToArray(patches, patch); +} + +CJSON_PUBLIC(void) cJSONUtils_AddPatchToArray(cJSON * const array, const char * const operation, const char * const path, const cJSON * const value) +{ + compose_patch(array, (const unsigned char*)operation, (const unsigned char*)path, NULL, value); +} + +static void create_patches(cJSON * const patches, const unsigned char * const path, cJSON * const from, cJSON * const to, const cJSON_bool case_sensitive) +{ + if ((from == NULL) || (to == NULL)) + { + return; + } + + if ((from->type & 0xFF) != (to->type & 0xFF)) + { + compose_patch(patches, (const unsigned char*)"replace", path, 0, to); + return; + } + + switch (from->type & 0xFF) + { + case cJSON_Number: + if ((from->valueint != to->valueint) || !compare_double(from->valuedouble, to->valuedouble)) + { + compose_patch(patches, (const unsigned char*)"replace", path, NULL, to); + } + return; + + case cJSON_String: + if (strcmp(from->valuestring, to->valuestring) != 0) + { + compose_patch(patches, (const unsigned char*)"replace", path, NULL, to); + } + return; + + case cJSON_Array: + { + size_t index = 0; + cJSON *from_child = from->child; + cJSON *to_child = to->child; + unsigned char *new_path = (unsigned char*)cJSON_malloc(strlen((const char*)path) + 20 + sizeof("/")); /* Allow space for 64bit int. log10(2^64) = 20 */ + + /* generate patches for all array elements that exist in both "from" and "to" */ + for (index = 0; (from_child != NULL) && (to_child != NULL); (void)(from_child = from_child->next), (void)(to_child = to_child->next), index++) + { + /* check if conversion to unsigned long is valid + * This should be eliminated at compile time by dead code elimination + * if size_t is an alias of unsigned long, or if it is bigger */ + if (index > ULONG_MAX) + { + cJSON_free(new_path); + return; + } + sprintf((char*)new_path, "%s/%lu", path, (unsigned long)index); /* path of the current array element */ + create_patches(patches, new_path, from_child, to_child, case_sensitive); + } + + /* remove leftover elements from 'from' that are not in 'to' */ + for (; (from_child != NULL); (void)(from_child = from_child->next)) + { + /* check if conversion to unsigned long is valid + * This should be eliminated at compile time by dead code elimination + * if size_t is an alias of unsigned long, or if it is bigger */ + if (index > ULONG_MAX) + { + cJSON_free(new_path); + return; + } + sprintf((char*)new_path, "%lu", (unsigned long)index); + compose_patch(patches, (const unsigned char*)"remove", path, new_path, NULL); + } + /* add new elements in 'to' that were not in 'from' */ + for (; (to_child != NULL); (void)(to_child = to_child->next), index++) + { + compose_patch(patches, (const unsigned char*)"add", path, (const unsigned char*)"-", to_child); + } + cJSON_free(new_path); + return; + } + + case cJSON_Object: + { + cJSON *from_child = NULL; + cJSON *to_child = NULL; + sort_object(from, case_sensitive); + sort_object(to, case_sensitive); + + from_child = from->child; + to_child = to->child; + /* for all object values in the object with more of them */ + while ((from_child != NULL) || (to_child != NULL)) + { + int diff; + if (from_child == NULL) + { + diff = 1; + } + else if (to_child == NULL) + { + diff = -1; + } + else + { + diff = compare_strings((unsigned char*)from_child->string, (unsigned char*)to_child->string, case_sensitive); + } + + if (diff == 0) + { + /* both object keys are the same */ + size_t path_length = strlen((const char*)path); + size_t from_child_name_length = pointer_encoded_length((unsigned char*)from_child->string); + unsigned char *new_path = (unsigned char*)cJSON_malloc(path_length + from_child_name_length + sizeof("/")); + + sprintf((char*)new_path, "%s/", path); + encode_string_as_pointer(new_path + path_length + 1, (unsigned char*)from_child->string); + + /* create a patch for the element */ + create_patches(patches, new_path, from_child, to_child, case_sensitive); + cJSON_free(new_path); + + from_child = from_child->next; + to_child = to_child->next; + } + else if (diff < 0) + { + /* object element doesn't exist in 'to' --> remove it */ + compose_patch(patches, (const unsigned char*)"remove", path, (unsigned char*)from_child->string, NULL); + + from_child = from_child->next; + } + else + { + /* object element doesn't exist in 'from' --> add it */ + compose_patch(patches, (const unsigned char*)"add", path, (unsigned char*)to_child->string, to_child); + + to_child = to_child->next; + } + } + return; + } + + default: + break; + } +} + +CJSON_PUBLIC(cJSON *) cJSONUtils_GeneratePatches(cJSON * const from, cJSON * const to) +{ + cJSON *patches = NULL; + + if ((from == NULL) || (to == NULL)) + { + return NULL; + } + + patches = cJSON_CreateArray(); + create_patches(patches, (const unsigned char*)"", from, to, false); + + return patches; +} + +CJSON_PUBLIC(cJSON *) cJSONUtils_GeneratePatchesCaseSensitive(cJSON * const from, cJSON * const to) +{ + cJSON *patches = NULL; + + if ((from == NULL) || (to == NULL)) + { + return NULL; + } + + patches = cJSON_CreateArray(); + create_patches(patches, (const unsigned char*)"", from, to, true); + + return patches; +} + +CJSON_PUBLIC(void) cJSONUtils_SortObject(cJSON * const object) +{ + sort_object(object, false); +} + +CJSON_PUBLIC(void) cJSONUtils_SortObjectCaseSensitive(cJSON * const object) +{ + sort_object(object, true); +} + +static cJSON *merge_patch(cJSON *target, const cJSON * const patch, const cJSON_bool case_sensitive) +{ + cJSON *patch_child = NULL; + + if (!cJSON_IsObject(patch)) + { + /* scalar value, array or NULL, just duplicate */ + cJSON_Delete(target); + return cJSON_Duplicate(patch, 1); + } + + if (!cJSON_IsObject(target)) + { + cJSON_Delete(target); + target = cJSON_CreateObject(); + } + + patch_child = patch->child; + while (patch_child != NULL) + { + if (cJSON_IsNull(patch_child)) + { + /* NULL is the indicator to remove a value, see RFC7396 */ + if (case_sensitive) + { + cJSON_DeleteItemFromObjectCaseSensitive(target, patch_child->string); + } + else + { + cJSON_DeleteItemFromObject(target, patch_child->string); + } + } + else + { + cJSON *replace_me = NULL; + cJSON *replacement = NULL; + + if (case_sensitive) + { + replace_me = cJSON_DetachItemFromObjectCaseSensitive(target, patch_child->string); + } + else + { + replace_me = cJSON_DetachItemFromObject(target, patch_child->string); + } + + replacement = merge_patch(replace_me, patch_child, case_sensitive); + if (replacement == NULL) + { + return NULL; + } + + cJSON_AddItemToObject(target, patch_child->string, replacement); + } + patch_child = patch_child->next; + } + return target; +} + +CJSON_PUBLIC(cJSON *) cJSONUtils_MergePatch(cJSON *target, const cJSON * const patch) +{ + return merge_patch(target, patch, false); +} + +CJSON_PUBLIC(cJSON *) cJSONUtils_MergePatchCaseSensitive(cJSON *target, const cJSON * const patch) +{ + return merge_patch(target, patch, true); +} + +static cJSON *generate_merge_patch(cJSON * const from, cJSON * const to, const cJSON_bool case_sensitive) +{ + cJSON *from_child = NULL; + cJSON *to_child = NULL; + cJSON *patch = NULL; + if (to == NULL) + { + /* patch to delete everything */ + return cJSON_CreateNull(); + } + if (!cJSON_IsObject(to) || !cJSON_IsObject(from)) + { + return cJSON_Duplicate(to, 1); + } + + sort_object(from, case_sensitive); + sort_object(to, case_sensitive); + + from_child = from->child; + to_child = to->child; + patch = cJSON_CreateObject(); + if (patch == NULL) + { + return NULL; + } + while (from_child || to_child) + { + int diff; + if (from_child != NULL) + { + if (to_child != NULL) + { + diff = strcmp(from_child->string, to_child->string); + } + else + { + diff = -1; + } + } + else + { + diff = 1; + } + + if (diff < 0) + { + /* from has a value that to doesn't have -> remove */ + cJSON_AddItemToObject(patch, from_child->string, cJSON_CreateNull()); + + from_child = from_child->next; + } + else if (diff > 0) + { + /* to has a value that from doesn't have -> add to patch */ + cJSON_AddItemToObject(patch, to_child->string, cJSON_Duplicate(to_child, 1)); + + to_child = to_child->next; + } + else + { + /* object key exists in both objects */ + if (!compare_json(from_child, to_child, case_sensitive)) + { + /* not identical --> generate a patch */ + cJSON_AddItemToObject(patch, to_child->string, cJSONUtils_GenerateMergePatch(from_child, to_child)); + } + + /* next key in the object */ + from_child = from_child->next; + to_child = to_child->next; + } + } + if (patch->child == NULL) + { + /* no patch generated */ + cJSON_Delete(patch); + return NULL; + } + + return patch; +} + +CJSON_PUBLIC(cJSON *) cJSONUtils_GenerateMergePatch(cJSON * const from, cJSON * const to) +{ + return generate_merge_patch(from, to, false); +} + +CJSON_PUBLIC(cJSON *) cJSONUtils_GenerateMergePatchCaseSensitive(cJSON * const from, cJSON * const to) +{ + return generate_merge_patch(from, to, true); +} \ No newline at end of file diff --git a/esp-idf/components/component.mk b/firmware/esp-idf/get-started/components/cjson/component.mk similarity index 100% rename from esp-idf/components/component.mk rename to firmware/esp-idf/get-started/components/cjson/component.mk diff --git a/firmware/esp-idf/get-started/components/cjson/include/cJSON.h b/firmware/esp-idf/get-started/components/cjson/include/cJSON.h new file mode 100644 index 00000000..628359c8 --- /dev/null +++ b/firmware/esp-idf/get-started/components/cjson/include/cJSON.h @@ -0,0 +1,285 @@ +/* + Copyright (c) 2009-2017 Dave Gamble and cJSON contributors + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +#ifndef cJSON__h +#define cJSON__h + +#ifdef __cplusplus +extern "C" +{ +#endif + +#if !defined(__WINDOWS__) && (defined(WIN32) || defined(WIN64) || defined(_MSC_VER) || defined(_WIN32)) +#define __WINDOWS__ +#endif + +#ifdef __WINDOWS__ + +/* When compiling for windows, we specify a specific calling convention to avoid issues where we are being called from a project with a different default calling convention. For windows you have 3 define options: +CJSON_HIDE_SYMBOLS - Define this in the case where you don't want to ever dllexport symbols +CJSON_EXPORT_SYMBOLS - Define this on library build when you want to dllexport symbols (default) +CJSON_IMPORT_SYMBOLS - Define this if you want to dllimport symbol +For *nix builds that support visibility attribute, you can define similar behavior by +setting default visibility to hidden by adding +-fvisibility=hidden (for gcc) +or +-xldscope=hidden (for sun cc) +to CFLAGS +then using the CJSON_API_VISIBILITY flag to "export" the same symbols the way CJSON_EXPORT_SYMBOLS does +*/ + +#define CJSON_CDECL __cdecl +#define CJSON_STDCALL __stdcall + +/* export symbols by default, this is necessary for copy pasting the C and header file */ +#if !defined(CJSON_HIDE_SYMBOLS) && !defined(CJSON_IMPORT_SYMBOLS) && !defined(CJSON_EXPORT_SYMBOLS) +#define CJSON_EXPORT_SYMBOLS +#endif + +#if defined(CJSON_HIDE_SYMBOLS) +#define CJSON_PUBLIC(type) type CJSON_STDCALL +#elif defined(CJSON_EXPORT_SYMBOLS) +#define CJSON_PUBLIC(type) __declspec(dllexport) type CJSON_STDCALL +#elif defined(CJSON_IMPORT_SYMBOLS) +#define CJSON_PUBLIC(type) __declspec(dllimport) type CJSON_STDCALL +#endif +#else /* !__WINDOWS__ */ +#define CJSON_CDECL +#define CJSON_STDCALL + +#if (defined(__GNUC__) || defined(__SUNPRO_CC) || defined (__SUNPRO_C)) && defined(CJSON_API_VISIBILITY) +#define CJSON_PUBLIC(type) __attribute__((visibility("default"))) type +#else +#define CJSON_PUBLIC(type) type +#endif +#endif + +/* project version */ +#define CJSON_VERSION_MAJOR 1 +#define CJSON_VERSION_MINOR 7 +#define CJSON_VERSION_PATCH 14 + +#include + +/* cJSON Types: */ +#define cJSON_Invalid (0) +#define cJSON_False (1 << 0) +#define cJSON_True (1 << 1) +#define cJSON_NULL (1 << 2) +#define cJSON_Number (1 << 3) +#define cJSON_String (1 << 4) +#define cJSON_Array (1 << 5) +#define cJSON_Object (1 << 6) +#define cJSON_Raw (1 << 7) /* raw json */ + +#define cJSON_IsReference 256 +#define cJSON_StringIsConst 512 + +/* The cJSON structure: */ +typedef struct cJSON +{ + /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */ + struct cJSON *next; + struct cJSON *prev; + /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */ + struct cJSON *child; + + /* The type of the item, as above. */ + int type; + + /* The item's string, if type==cJSON_String and type == cJSON_Raw */ + char *valuestring; + /* writing to valueint is DEPRECATED, use cJSON_SetNumberValue instead */ + int valueint; + /* The item's number, if type==cJSON_Number */ + double valuedouble; + + /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */ + char *string; +} cJSON; + +typedef struct cJSON_Hooks +{ + /* malloc/free are CDECL on Windows regardless of the default calling convention of the compiler, so ensure the hooks allow passing those functions directly. */ + void *(CJSON_CDECL *malloc_fn)(size_t sz); + void (CJSON_CDECL *free_fn)(void *ptr); +} cJSON_Hooks; + +typedef int cJSON_bool; + +/* Limits how deeply nested arrays/objects can be before cJSON rejects to parse them. + * This is to prevent stack overflows. */ +#ifndef CJSON_NESTING_LIMIT +#define CJSON_NESTING_LIMIT 1000 +#endif + +/* returns the version of cJSON as a string */ +CJSON_PUBLIC(const char*) cJSON_Version(void); + +/* Supply malloc, realloc and free functions to cJSON */ +CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks); + +/* Memory Management: the caller is always responsible to free the results from all variants of cJSON_Parse (with cJSON_Delete) and cJSON_Print (with stdlib free, cJSON_Hooks.free_fn, or cJSON_free as appropriate). The exception is cJSON_PrintPreallocated, where the caller has full responsibility of the buffer. */ +/* Supply a block of JSON, and this returns a cJSON object you can interrogate. */ +CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value); +CJSON_PUBLIC(cJSON *) cJSON_ParseWithLength(const char *value, size_t buffer_length); +/* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */ +/* If you supply a ptr in return_parse_end and parsing fails, then return_parse_end will contain a pointer to the error so will match cJSON_GetErrorPtr(). */ +CJSON_PUBLIC(cJSON *) cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated); +CJSON_PUBLIC(cJSON *) cJSON_ParseWithLengthOpts(const char *value, size_t buffer_length, const char **return_parse_end, cJSON_bool require_null_terminated); + +/* Render a cJSON entity to text for transfer/storage. */ +CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item); +/* Render a cJSON entity to text for transfer/storage without any formatting. */ +CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item); +/* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */ +CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt); +/* Render a cJSON entity to text using a buffer already allocated in memory with given length. Returns 1 on success and 0 on failure. */ +/* NOTE: cJSON is not always 100% accurate in estimating how much memory it will use, so to be safe allocate 5 bytes more than you actually need */ +CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buffer, const int length, const cJSON_bool format); +/* Delete a cJSON entity and all subentities. */ +CJSON_PUBLIC(void) cJSON_Delete(cJSON *item); + +/* Returns the number of items in an array (or object). */ +CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array); +/* Retrieve item number "index" from array "array". Returns NULL if unsuccessful. */ +CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index); +/* Get item "string" from object. Case insensitive. */ +CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string); +CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON * const object, const char * const string); +CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string); +/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */ +CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void); + +/* Check item type and return its value */ +CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item); +CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item); + +/* These functions check the type of an item */ +CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON * const item); +CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON * const item); + +/* These calls create a cJSON item of the appropriate type. */ +CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean); +CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num); +CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string); +/* raw json */ +CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw); +CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void); +CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void); + +/* Create a string where valuestring references a string so + * it will not be freed by cJSON_Delete */ +CJSON_PUBLIC(cJSON *) cJSON_CreateStringReference(const char *string); +/* Create an object/array that only references it's elements so + * they will not be freed by cJSON_Delete */ +CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child); +CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child); + +/* These utilities create an Array of count items. + * The parameter count cannot be greater than the number of elements in the number array, otherwise array access will be out of bounds.*/ +CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count); +CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count); +CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count); +CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char *const *strings, int count); + +/* Append item to the specified array/object. */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item); +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item); +/* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object. + * WARNING: When this function was used, make sure to always check that (item->type & cJSON_StringIsConst) is zero before + * writing to `item->string` */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item); +/* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */ +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item); +CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item); + +/* Remove/Detach items from Arrays/Objects. */ +CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item); +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which); +CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which); +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObject(cJSON *object, const char *string); +CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string); +CJSON_PUBLIC(void) cJSON_DeleteItemFromObject(cJSON *object, const char *string); +CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string); + +/* Update array items. */ +CJSON_PUBLIC(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem); /* Shifts pre-existing items to the right. */ +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement); +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem); +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem); +CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object,const char *string,cJSON *newitem); + +/* Duplicate a cJSON item */ +CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse); +/* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will + * need to be released. With recurse!=0, it will duplicate any children connected to the item. + * The item->next and ->prev pointers are always zero on return from Duplicate. */ +/* Recursively compare two cJSON items for equality. If either a or b is NULL or invalid, they will be considered unequal. + * case_sensitive determines if object keys are treated case sensitive (1) or case insensitive (0) */ +CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * const b, const cJSON_bool case_sensitive); + +/* Minify a strings, remove blank characters(such as ' ', '\t', '\r', '\n') from strings. + * The input pointer json cannot point to a read-only address area, such as a string constant, + * but should point to a readable and writable adress area. */ +CJSON_PUBLIC(void) cJSON_Minify(char *json); + +/* Helper functions for creating and adding items to an object at the same time. + * They return the added item or NULL on failure. */ +CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name); +CJSON_PUBLIC(cJSON*) cJSON_AddTrueToObject(cJSON * const object, const char * const name); +CJSON_PUBLIC(cJSON*) cJSON_AddFalseToObject(cJSON * const object, const char * const name); +CJSON_PUBLIC(cJSON*) cJSON_AddBoolToObject(cJSON * const object, const char * const name, const cJSON_bool boolean); +CJSON_PUBLIC(cJSON*) cJSON_AddNumberToObject(cJSON * const object, const char * const name, const double number); +CJSON_PUBLIC(cJSON*) cJSON_AddStringToObject(cJSON * const object, const char * const name, const char * const string); +CJSON_PUBLIC(cJSON*) cJSON_AddRawToObject(cJSON * const object, const char * const name, const char * const raw); +CJSON_PUBLIC(cJSON*) cJSON_AddObjectToObject(cJSON * const object, const char * const name); +CJSON_PUBLIC(cJSON*) cJSON_AddArrayToObject(cJSON * const object, const char * const name); + +/* When assigning an integer value, it needs to be propagated to valuedouble too. */ +#define cJSON_SetIntValue(object, number) ((object) ? (object)->valueint = (object)->valuedouble = (number) : (number)) +/* helper for the cJSON_SetNumberValue macro */ +CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number); +#define cJSON_SetNumberValue(object, number) ((object != NULL) ? cJSON_SetNumberHelper(object, (double)number) : (number)) +/* Change the valuestring of a cJSON_String object, only takes effect when type of object is cJSON_String */ +CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring); + +/* Macro for iterating over an array or object */ +#define cJSON_ArrayForEach(element, array) for(element = (array != NULL) ? (array)->child : NULL; element != NULL; element = element->next) + +/* malloc/free objects using the malloc/free functions that have been set with cJSON_InitHooks */ +CJSON_PUBLIC(void *) cJSON_malloc(size_t size); +CJSON_PUBLIC(void) cJSON_free(void *object); + +#ifdef __cplusplus +} +#endif + +#endif \ No newline at end of file diff --git a/firmware/esp-idf/get-started/components/cjson/include/cJSON_Utils.h b/firmware/esp-idf/get-started/components/cjson/include/cJSON_Utils.h new file mode 100644 index 00000000..60f8c20b --- /dev/null +++ b/firmware/esp-idf/get-started/components/cjson/include/cJSON_Utils.h @@ -0,0 +1,85 @@ +/* + Copyright (c) 2009-2017 Dave Gamble and cJSON contributors + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ + +#ifndef cJSON_Utils__h +#define cJSON_Utils__h + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include "cJSON.h" + +/* Implement RFC6901 (https://tools.ietf.org/html/rfc6901) JSON Pointer spec. */ +CJSON_PUBLIC(cJSON *) cJSONUtils_GetPointer(cJSON * const object, const char *pointer); +CJSON_PUBLIC(cJSON *) cJSONUtils_GetPointerCaseSensitive(cJSON * const object, const char *pointer); + +/* Implement RFC6902 (https://tools.ietf.org/html/rfc6902) JSON Patch spec. */ +/* NOTE: This modifies objects in 'from' and 'to' by sorting the elements by their key */ +CJSON_PUBLIC(cJSON *) cJSONUtils_GeneratePatches(cJSON * const from, cJSON * const to); +CJSON_PUBLIC(cJSON *) cJSONUtils_GeneratePatchesCaseSensitive(cJSON * const from, cJSON * const to); +/* Utility for generating patch array entries. */ +CJSON_PUBLIC(void) cJSONUtils_AddPatchToArray(cJSON * const array, const char * const operation, const char * const path, const cJSON * const value); +/* Returns 0 for success. */ +CJSON_PUBLIC(int) cJSONUtils_ApplyPatches(cJSON * const object, const cJSON * const patches); +CJSON_PUBLIC(int) cJSONUtils_ApplyPatchesCaseSensitive(cJSON * const object, const cJSON * const patches); + +/* +// Note that ApplyPatches is NOT atomic on failure. To implement an atomic ApplyPatches, use: +//int cJSONUtils_AtomicApplyPatches(cJSON **object, cJSON *patches) +//{ +// cJSON *modme = cJSON_Duplicate(*object, 1); +// int error = cJSONUtils_ApplyPatches(modme, patches); +// if (!error) +// { +// cJSON_Delete(*object); +// *object = modme; +// } +// else +// { +// cJSON_Delete(modme); +// } +// +// return error; +//} +// Code not added to library since this strategy is a LOT slower. +*/ + +/* Implement RFC7386 (https://tools.ietf.org/html/rfc7396) JSON Merge Patch spec. */ +/* target will be modified by patch. return value is new ptr for target. */ +CJSON_PUBLIC(cJSON *) cJSONUtils_MergePatch(cJSON *target, const cJSON * const patch); +CJSON_PUBLIC(cJSON *) cJSONUtils_MergePatchCaseSensitive(cJSON *target, const cJSON * const patch); +/* generates a patch to move from -> to */ +/* NOTE: This modifies objects in 'from' and 'to' by sorting the elements by their key */ +CJSON_PUBLIC(cJSON *) cJSONUtils_GenerateMergePatch(cJSON * const from, cJSON * const to); +CJSON_PUBLIC(cJSON *) cJSONUtils_GenerateMergePatchCaseSensitive(cJSON * const from, cJSON * const to); + +/* Given a root object and a target object, construct a pointer from one to the other. */ +CJSON_PUBLIC(char *) cJSONUtils_FindPointerFromObjectTo(const cJSON * const object, const cJSON * const target); + +/* Sorts the members of the object into alphabetical order. */ +CJSON_PUBLIC(void) cJSONUtils_SortObject(cJSON * const object); +CJSON_PUBLIC(void) cJSONUtils_SortObjectCaseSensitive(cJSON * const object); + +#ifdef __cplusplus +} +#endif + +#endif \ No newline at end of file diff --git a/esp-idf/components/example1/component.mk b/firmware/esp-idf/get-started/components/component.mk similarity index 100% rename from esp-idf/components/example1/component.mk rename to firmware/esp-idf/get-started/components/component.mk diff --git a/esp-idf/components/example1/CMakeLists.txt b/firmware/esp-idf/get-started/components/example/CMakeLists.txt similarity index 66% rename from esp-idf/components/example1/CMakeLists.txt rename to firmware/esp-idf/get-started/components/example/CMakeLists.txt index e95f92af..f853ff53 100644 --- a/esp-idf/components/example1/CMakeLists.txt +++ b/firmware/esp-idf/get-started/components/example/CMakeLists.txt @@ -1,4 +1,4 @@ -set(COMPONENT_SRCS "example1.c") +set(COMPONENT_SRCS "example.c") set(COMPONENT_ADD_INCLUDEDIRS ". include") register_component() diff --git a/esp-idf/components/example2/component.mk b/firmware/esp-idf/get-started/components/example/component.mk similarity index 100% rename from esp-idf/components/example2/component.mk rename to firmware/esp-idf/get-started/components/example/component.mk diff --git a/firmware/esp-idf/get-started/components/example/example.c b/firmware/esp-idf/get-started/components/example/example.c new file mode 100644 index 00000000..48f8ea8d --- /dev/null +++ b/firmware/esp-idf/get-started/components/example/example.c @@ -0,0 +1,7 @@ + +#include "example.h" +#include +void example() +{ + printf("example\n"); +} diff --git a/firmware/esp-idf/get-started/components/example/include/example.h b/firmware/esp-idf/get-started/components/example/include/example.h new file mode 100644 index 00000000..2c2106a5 --- /dev/null +++ b/firmware/esp-idf/get-started/components/example/include/example.h @@ -0,0 +1,9 @@ + +#ifndef _IOT_EXAMPLE_H_ +#define _IOT_EXAMPLE_H_ + + +void example(); + + +#endif diff --git a/firmware/esp-idf/get-started/main/CMakeLists.txt b/firmware/esp-idf/get-started/main/CMakeLists.txt new file mode 100644 index 00000000..4441cf46 --- /dev/null +++ b/firmware/esp-idf/get-started/main/CMakeLists.txt @@ -0,0 +1,4 @@ + +set(COMPONENT_SRCS "main.c" "mqtt.c" "wifi.c") +set(COMPONENT_ADD_INCLUDEDIRS ". include") +register_component() \ No newline at end of file diff --git a/esp-idf/main/component.mk b/firmware/esp-idf/get-started/main/component.mk similarity index 100% rename from esp-idf/main/component.mk rename to firmware/esp-idf/get-started/main/component.mk diff --git a/firmware/esp-idf/get-started/main/include/mqtt.h b/firmware/esp-idf/get-started/main/include/mqtt.h new file mode 100644 index 00000000..02029733 --- /dev/null +++ b/firmware/esp-idf/get-started/main/include/mqtt.h @@ -0,0 +1,22 @@ +/****************************************************************************** + * author: kerwincui + * create: 2021-06-08 + * email：164770707@qq.com + * source:https://github.com/kerwincui/wumei-smart + ******************************************************************************/ +#ifndef _MQTT_H_ +#define _MQTT_H_ + +#include +#include +#include "esp_log.h" +#include "mqtt_client.h" +#include "cJSON.h" +#include "cJSON_Utils.h" + +char owner_id[64]; // 用户ID +char device_num[13]; // 设备编号，mac地址 +void mqtt_start(void); + + +#endif diff --git a/firmware/esp-idf/get-started/main/include/wifi.h b/firmware/esp-idf/get-started/main/include/wifi.h new file mode 100644 index 00000000..4372287d --- /dev/null +++ b/firmware/esp-idf/get-started/main/include/wifi.h @@ -0,0 +1,21 @@ +/****************************************************************************** + * author: kerwincui + * create: 2021-06-08 + * email：164770707@qq.com + * source:https://github.com/kerwincui/wumei-smart + *****************************************************************************/ +#ifndef _WIFI_H_ +#define _WIFI_H_ + +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "freertos/event_groups.h" +#include "esp_wifi.h" +#include "esp_log.h" +#include + +char ssid[33]; // wifi的SSID +char pwd[65]; // wifi的密码 +void wifi_start(void); + +#endif diff --git a/firmware/esp-idf/get-started/main/main.c b/firmware/esp-idf/get-started/main/main.c new file mode 100644 index 00000000..5807d482 --- /dev/null +++ b/firmware/esp-idf/get-started/main/main.c @@ -0,0 +1,35 @@ + +#include +#include "nvs_flash.h" +#include "esp_event.h" +#include "example.h" +#include "mqtt.h" +#include "wifi.h" + +/****************************************************************************** + * FunctionName : app_main + * Description : entry of user application, init user function here + * Author : kerwincui + * SourceCode : https://gitee.com/kerwincui/wumei-smart +*******************************************************************************/ +void app_main() +{ + printf("Docking wumei-smart system demo \n"); + + // 初始化NVS + esp_err_t ret = nvs_flash_init(); + if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) { + ESP_ERROR_CHECK(nvs_flash_erase()); + ret = nvs_flash_init(); + } + ESP_ERROR_CHECK( ret ); + + // 创建默认时间循环 + ESP_ERROR_CHECK(esp_event_loop_create_default()); + + //连接wifi + wifi_start(); + + // 启动mqtt + mqtt_start(); +} diff --git a/firmware/esp-idf/get-started/main/mqtt.c b/firmware/esp-idf/get-started/main/mqtt.c new file mode 100644 index 00000000..06d55fb3 --- /dev/null +++ b/firmware/esp-idf/get-started/main/mqtt.c @@ -0,0 +1,395 @@ +/****************************************************************************** + * author: kerwincui + * create: 2021-06-08 + * email：164770707@qq.com + * source:https://github.com/kerwincui/wumei-smart + ******************************************************************************/ +#include "mqtt.h" + + +// 配置连接mqtt的broken +#define BROKEN_URL "mqtt://wumei.live:1884" +#define BROKEN_ADMIN "admin" +#define BROKEN_PWD "admin123" + +char owner_id[64]="1"; // 用户ID,后端查看，默认为amdin,ID为1 +char device_num[13]="7EAFA1049ADA"; // 设备编号，唯一标识 + +static const char *TAG = "MQTT"; +static esp_mqtt_client_handle_t mqtt_client=NULL; +static char *update_status_topic; +static char *get_status_topic; +static char *update_setting_topic; +static char *get_setting_topic; + +// 发布设备状态 +static void publishStatus(void){ + cJSON *status = cJSON_CreateObject(); + cJSON_AddStringToObject(status,"deviceNum","7CDFA1049ADA"); + cJSON_AddNumberToObject(status,"relayStatus",1); + cJSON_AddNumberToObject(status,"lightStatus",1); + cJSON_AddNumberToObject(status,"isOnline",1); + cJSON_AddNumberToObject(status,"rssi",-80); + cJSON_AddNumberToObject(status,"deviceTemperature",0.0); + cJSON_AddNumberToObject(status,"airTemperature",0.0); + cJSON_AddNumberToObject(status,"airHumidity",0.0); + cJSON_AddNumberToObject(status,"triggerSource",0); + cJSON_AddNumberToObject(status,"brightness",100); + cJSON_AddNumberToObject(status,"lightInterval",300); + cJSON_AddNumberToObject(status,"lightMode",0); + cJSON_AddNumberToObject(status,"fadeTime",300); + cJSON_AddNumberToObject(status,"red",255); + cJSON_AddNumberToObject(status,"green",255); + cJSON_AddNumberToObject(status,"blue",255); + char *status_msg = cJSON_Print(status); + //释放内存 + cJSON_Delete(status); + ESP_LOGI(TAG,"public status msg: %s",status_msg); + int msg_id=esp_mqtt_client_publish(mqtt_client,"status",status_msg,0,1,0); + ESP_LOGI(TAG, "sent publish device status, msg_id=%d",msg_id); +} + +//发布设备配置 +static void publishSetting(void){ + cJSON *setting = cJSON_CreateObject(); + cJSON_AddStringToObject(setting,"deviceNum",device_num); + cJSON_AddNumberToObject(setting,"isAlarm",1); + cJSON_AddNumberToObject(setting,"isRadar",1); + cJSON_AddNumberToObject(setting,"isHost",0); + cJSON_AddNumberToObject(setting,"isRfControl",1); + cJSON_AddNumberToObject(setting,"rfOneFunc",1); + cJSON_AddNumberToObject(setting,"rfTwoFunc",2); + cJSON_AddNumberToObject(setting,"rfThreeFunc",3); + cJSON_AddNumberToObject(setting,"rfFourFunc",4); + cJSON_AddStringToObject(setting,"ownerId",owner_id); + cJSON_AddNumberToObject(setting,"isReset",0); + cJSON_AddNumberToObject(setting,"isAp",0); + cJSON_AddNumberToObject(setting,"isRfLearn",0); + cJSON_AddNumberToObject(setting,"isRfClear",0); + cJSON_AddNumberToObject(setting,"isSmartConfig",0); + cJSON_AddNumberToObject(setting,"radarInterval",15); + cJSON_AddNumberToObject(setting,"isWifiOffline",0); + cJSON_AddNumberToObject(setting,"isOpenCertifi",0); + char *setting_msg = cJSON_Print(setting); + //释放内存 + cJSON_Delete(setting); + ESP_LOGI(TAG,"publish setting msg: %s",setting_msg); + int msg_id=esp_mqtt_client_publish(mqtt_client,"setting",setting_msg,0,1,0); + ESP_LOGI(TAG, "sent publish device setting, msg_id=%d",msg_id); +} + +// 更新设备状态 +static void updateStatus(esp_mqtt_event_handle_t event,char *topic){ + //将字符串格式的json数据转化为JSON对象格式 + cJSON *root = cJSON_Parse(event->data); + if(root == NULL) { printf("parse error\n"); } + + cJSON *value_relay = cJSON_GetObjectItem(root, "relayStatus"); + char *relay = cJSON_Print(value_relay); + uint8_t relay_status=atoi(relay); + //继电器 + if(relay_status==1){ + //TODO 打开继电器 + }else{ + //TODO 关闭继电器 + } + free(relay); + + cJSON *value_light = cJSON_GetObjectItem(root, "lightStatus"); + char *light = cJSON_Print(value_light); + uint8_t light_status=atoi(light); + //彩灯 + if(light_status==1){ + //TODO 打开灯 + }else{ + //TODO 关闭灯 + } + free(light); + + cJSON *value_trigger = cJSON_GetObjectItem(root, "triggerSource"); + char *trigger = cJSON_Print(value_trigger); + free(trigger); + + cJSON *value_brightness = cJSON_GetObjectItem(root, "brightness"); + char *bright = cJSON_Print(value_brightness); + free(bright); + + cJSON *value_interval = cJSON_GetObjectItem(root, "lightInterval"); + char *interval = cJSON_Print(value_interval); + free(interval); + + cJSON *value_mode = cJSON_GetObjectItem(root, "lightMode"); + char *mode = cJSON_Print(value_mode); + free(mode); + + cJSON *value_fade = cJSON_GetObjectItem(root, "fadeTime"); + char *fade = cJSON_Print(value_fade); + free(fade); + + cJSON *value_red = cJSON_GetObjectItem(root, "red"); + char *red_string = cJSON_Print(value_red); + free(red_string); + + cJSON *value_green = cJSON_GetObjectItem(root, "green"); + char *green_string = cJSON_Print(value_green); + free(green_string); + + cJSON *value_blue = cJSON_GetObjectItem(root, "blue"); + char *blue_string = cJSON_Print(value_blue); + free(blue_string); + + cJSON_Delete(root); +} + +//更新设备配置 +static void updateSetting(esp_mqtt_event_handle_t event,char *topic){ + //将字符串格式的json数据转化为JSON对象格式 + cJSON *root = cJSON_Parse(event->data); + if(root == NULL) { printf("parse error\n"); } + + cJSON *value_reset = cJSON_GetObjectItem(root, "isReset"); + char *reset = cJSON_Print(value_reset); + if(strcmp(reset, "1") == 0){ + // 设备重启 + fflush(stdout); + esp_restart(); + } + free(reset); + + cJSON *value_rf_learn = cJSON_GetObjectItem(root, "isRfLearn"); + char *rf_learning = cJSON_Print(value_rf_learn); + if(strcmp(rf_learning, "1") == 0){ + //TODO 遥控配对 + } + free(rf_learning); + + cJSON *value_rf_clear = cJSON_GetObjectItem(root, "isRfClear"); + char *rf_clear = cJSON_Print(value_rf_clear); + if(strcmp(rf_clear, "1") == 0){ + //TODO 遥控清码 + } + free(rf_clear); + + cJSON *value_ap = cJSON_GetObjectItem(root, "isAp"); + char *ap = cJSON_Print(value_ap); + if(strcmp(ap, "1") == 0){ + //TODO 打开AP + } + free(ap); + + cJSON *value_alarm = cJSON_GetObjectItem(root, "isAlarm"); + char *alarm = cJSON_Print(value_alarm); + free(alarm); + + cJSON *value_radar = cJSON_GetObjectItem(root, "isRadar"); + char *radar = cJSON_Print(value_radar); + free(radar); + + cJSON *value_host = cJSON_GetObjectItem(root, "isHost"); + char *host = cJSON_Print(value_host); + free(host); + + cJSON *value_rf = cJSON_GetObjectItem(root, "isRfControl"); + char *rf = cJSON_Print(value_rf); + free(rf); + + cJSON *value_rf_one = cJSON_GetObjectItem(root, "rfOneFunc"); + char *rf_one = cJSON_Print(value_rf_one); + free(rf_one); + + cJSON *value_rf_two = cJSON_GetObjectItem(root, "rfTwoFunc"); + char *rf_two = cJSON_Print(value_rf_two); + free(rf_two); + + cJSON *value_rf_three = cJSON_GetObjectItem(root, "rfThreeFunc"); + char *rf_three = cJSON_Print(value_rf_three); + free(rf_three); + + cJSON *value_rf_four = cJSON_GetObjectItem(root, "rfFourFunc"); + char *rf_four = cJSON_Print(value_rf_four); + free(rf_four); + + cJSON_Delete(root); +} + +static void mqtt_subscribe_event(esp_mqtt_event_handle_t event) +{ + char topic[32]; + ESP_LOGI(TAG,"event topic:%.*s\r", event->topic_len, event->topic); + ESP_LOGI(TAG,"event data:%.*s\r\n",event->data_len, event->data); + sprintf(topic,"%.*s", event->topic_len, event->topic); + if (strcmp(topic, update_status_topic) == 0) + { + //更新设备状态 + updateStatus(event,topic); + // 发布设备状态 + publishStatus(); + + } else if (strcmp(topic, get_status_topic) == 0) + { + publishStatus(); + + }else if(strcmp(topic,update_setting_topic) == 0){ + // 更新设备配置 + updateSetting(event,topic); + // 发布设备配置 + publishSetting(); + + } + else if(strcmp(topic, get_setting_topic) == 0) + { + publishSetting(); + } +} + + +static esp_err_t mqtt_event_handler_cb(esp_mqtt_event_handle_t event) +{ + int msg_id; + switch (event->event_id) { + case MQTT_EVENT_CONNECTED: + ESP_LOGI(TAG, "MQTT_EVENT_CONNECTED"); + //-----------------------------------订阅消息---------------------------------------- + // 订阅更新设备状态 + msg_id = esp_mqtt_client_subscribe(mqtt_client, update_status_topic, 1); + ESP_LOGI(TAG, "sent subscribe set status successful, msg_id=%d,topic=%s", msg_id,update_status_topic); + + // 订阅获取设备状态 + msg_id = esp_mqtt_client_subscribe(mqtt_client, get_status_topic, 1); + ESP_LOGI(TAG, "sent subscribe get status successful, msg_id=%d,topic=%s", msg_id,get_status_topic); + + // 订阅更新设备配置 + msg_id = esp_mqtt_client_subscribe(mqtt_client, update_setting_topic, 1); + ESP_LOGI(TAG, "sent subscribe set setting successful, msg_id=%d,topic=%s", msg_id,update_setting_topic); + + // 订阅获取设备配置 + msg_id = esp_mqtt_client_subscribe(mqtt_client, get_setting_topic, 1); + ESP_LOGI(TAG, "sent subscribe get setting successful, msg_id=%d,topic=%s", msg_id,get_setting_topic); + + //-----------------------------------发布消息-------------------------------------- + //发布设备信息 + cJSON *device_info = cJSON_CreateObject(); + cJSON_AddStringToObject(device_info,"deviceNum",device_num); + cJSON_AddNumberToObject(device_info,"categoryId",1); + cJSON_AddStringToObject(device_info,"firmwareVersion","1.0"); + cJSON_AddStringToObject(device_info,"ownerId",owner_id); + char *device_msg = cJSON_Print(device_info); + //释放内存 + cJSON_Delete(device_info); + ESP_LOGI(TAG,"device msg: %s",device_msg); + msg_id=esp_mqtt_client_publish(mqtt_client,"device_info",device_msg,0,1,0); + ESP_LOGI(TAG, "sent publish device info, msg_id=%d",msg_id); + break; + case MQTT_EVENT_DISCONNECTED: + ESP_LOGI(TAG, "MQTT_EVENT_DISCONNECTED"); + break; + case MQTT_EVENT_SUBSCRIBED: + ESP_LOGI(TAG, "MQTT_EVENT_SUBSCRIBED, msg_id=%d", event->msg_id); + break; + case MQTT_EVENT_UNSUBSCRIBED: + ESP_LOGI(TAG, "MQTT_EVENT_UNSUBSCRIBED, msg_id=%d", event->msg_id); + break; + case MQTT_EVENT_PUBLISHED: + ESP_LOGI(TAG, "MQTT_EVENT_PUBLISHED, msg_id=%d", event->msg_id); + break; + case MQTT_EVENT_DATA: + ESP_LOGI(TAG, "MQTT_EVENT_DATA"); + //订阅事件处理 + mqtt_subscribe_event(event); + break; + case MQTT_EVENT_ERROR: + ESP_LOGI(TAG, "MQTT_EVENT_ERROR"); + break; + default: + ESP_LOGI(TAG, "Other event id:%d", event->event_id); + break; + } + return ESP_OK; +} + +static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data) { + ESP_LOGD(TAG, "Event dispatched from event loop base=%s, event_id=%d", base, event_id); + mqtt_event_handler_cb(event_data); +} + +// 配置订阅主题 +static void config_topic(){ + static char *update_status_path="status/set/"; + static char *get_status_path="status/get/"; + static char *update_setting_path="setting/set/"; + static char *get_setting_path="setting/get/"; + // 更新状态 + update_status_topic=(char *)malloc(strlen(update_status_path)+strlen(device_num)+1); + if(update_status_topic==NULL){ + ESP_LOGD(TAG, "failed to apply for memory"); + } + strcpy(update_status_topic,update_status_path); + strcat(update_status_topic,device_num); + ESP_LOGI(TAG,"update_status_topic:%s",update_status_topic); + // 获取状态 + get_status_topic=(char *)malloc(strlen(get_status_path)+strlen(device_num)+1); + if(get_status_topic==NULL){ + ESP_LOGD(TAG, "failed to apply for memory"); + } + strcpy(get_status_topic,get_status_path); + strcat(get_status_topic,device_num); + ESP_LOGI(TAG,"get_status_topic:%s",get_status_topic); + // 更新配置 + update_setting_topic=(char *)malloc(strlen(update_setting_path)+strlen(device_num)+1); + if(update_setting_topic==NULL){ + ESP_LOGD(TAG, "failed to apply for memory"); + } + strcpy(update_setting_topic,update_setting_path); + strcat(update_setting_topic,device_num); + ESP_LOGI(TAG,"update_setting_topic:%s",update_setting_topic); + // 获取配置 + get_setting_topic=(char *)malloc(strlen(get_setting_path)+strlen(device_num)+1); + if(get_setting_topic==NULL){ + ESP_LOGD(TAG, "failed to apply for memory"); + } + strcpy(get_setting_topic,get_setting_path); + strcat(get_setting_topic,device_num); + ESP_LOGI(TAG,"get_setting_topic:%s",get_setting_topic); +} + +//启动mqtt +void mqtt_start(void) +{ + // esp_log_level_set("*", ESP_LOG_INFO); + esp_log_level_set("MQTT_CLIENT", ESP_LOG_VERBOSE); + esp_log_level_set("MQTT", ESP_LOG_VERBOSE); + esp_log_level_set("TRANSPORT_TCP", ESP_LOG_VERBOSE); + esp_log_level_set("TRANSPORT_SSL", ESP_LOG_VERBOSE); + esp_log_level_set("TRANSPORT", ESP_LOG_VERBOSE); + esp_log_level_set("OUTBOX", ESP_LOG_VERBOSE); + + // 配置订阅的主题 + config_topic(); + + // 遗嘱消息 + cJSON *root = cJSON_CreateObject(); + cJSON_AddStringToObject(root,"deviceNum",device_num); + cJSON_AddNumberToObject(root,"isOnline",0); + char *will_msg = cJSON_Print(root); + //释放内存 + cJSON_Delete(root); + + ESP_LOGI(TAG,"last will: %s", will_msg); + esp_mqtt_client_config_t mqtt_cfg = { + .uri = BROKEN_URL, + .username = BROKEN_ADMIN, + .password = BROKEN_PWD, + //设置遗嘱 + .lwt_topic="offline", + .lwt_msg=will_msg, + .lwt_msg_len=strlen(will_msg), + .lwt_qos=1, + .lwt_retain=0, + //断开前等待的时间,3秒 + .keepalive=3, + }; + + mqtt_client = esp_mqtt_client_init(&mqtt_cfg); + esp_mqtt_client_register_event(mqtt_client, ESP_EVENT_ANY_ID, mqtt_event_handler, mqtt_client); + esp_mqtt_client_start(mqtt_client); +} \ No newline at end of file diff --git a/firmware/esp-idf/get-started/main/wifi.c b/firmware/esp-idf/get-started/main/wifi.c new file mode 100644 index 00000000..d724f778 --- /dev/null +++ b/firmware/esp-idf/get-started/main/wifi.c @@ -0,0 +1,96 @@ +/****************************************************************************** + * author: kerwincui + * create: 2021-06-08 + * email：164770707@qq.com + * source:https://github.com/kerwincui/wumei-smart + ******************************************************************************/ +#include "wifi.h" + +#define LISTEN_INTERVAL 3 //站监听AP信标的间隔。监听间隔的单位是一个信标间隔。例如，如果信标间隔为100 ms，侦听间隔为3，则站侦听信标的间隔为300 ms。 +#define WIFI_CONNECTED_BIT BIT0 +#define WIFI_FAIL_BIT BIT1 + +char ssid[33]="tp-six"; // wifi的SSID +char pwd[65]="clh15108665817"; // wifi的密码 + + +static const char *TAG = "WIFI"; +static EventGroupHandle_t s_wifi_event_group; +static esp_event_handler_instance_t instance_any_id; +static esp_event_handler_instance_t instance_got_ip; + +// 回调函数 +static void station_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) +{ + printf("station event handler begin \n\n\n"); + if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) { + esp_wifi_connect(); + } else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) { + esp_wifi_connect(); + } else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) { + ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data; + ESP_LOGI(TAG, "got ip: " IPSTR, IP2STR(&event->ip_info.ip)); + xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT); + } +} + + +//站点模式初始化 +static void wifi_station_init(void) +{ + esp_netif_create_default_wifi_sta(); + ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &station_event_handler, NULL, &instance_any_id)); + ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &station_event_handler, NULL, &instance_got_ip)); + wifi_config_t wifi_config = { + .sta = { + .listen_interval = LISTEN_INTERVAL, + /* 设置密码意味着工作站将连接到包括WEP/WPA在内的所有安全模式。但是，这些模式已被弃用，不建议使用。 + * 如果您的接入点不支持WPA2，可以通过在下面的行注释来启用这些模式 */ + //.threshold.authmode = WIFI_AUTH_WPA2_PSK, + + //PMF功能 + .pmf_cfg = { + .capable = true, + .required = false + }, + }, + }; + // wifi配置赋值 + strcpy((char *)wifi_config.sta.ssid,(char *)ssid); + strcpy((char *)wifi_config.sta.password,(char *)pwd); + ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config)); +} + + +//启动wifi站点 +void wifi_start(void) +{ + s_wifi_event_group = xEventGroupCreate(); + ESP_ERROR_CHECK(esp_netif_init()); + + wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT(); + ESP_ERROR_CHECK(esp_wifi_init(&cfg)); + ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA)); + + ESP_LOGI(TAG, "ESP_WIFI_MODE_STA"); + wifi_station_init(); + ESP_ERROR_CHECK(esp_wifi_start()); + + //STATION模式，等待建立连接或者超过连接最大次数后连接失败，比特位是通过事件处理程序设置 + EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group, + WIFI_CONNECTED_BIT | WIFI_FAIL_BIT, + pdFALSE, + pdFALSE, + portMAX_DELAY); + + if (bits & WIFI_CONNECTED_BIT) { + ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",ssid, pwd); + } else if (bits & WIFI_FAIL_BIT) { + ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s", ssid, pwd); + } else { + ESP_LOGE(TAG, "UNEXPECTED EVENT"); + } +} + + + diff --git a/esp-idf/sdkconfig b/firmware/esp-idf/get-started/sdkconfig similarity index 100% rename from esp-idf/sdkconfig rename to firmware/esp-idf/get-started/sdkconfig