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Diffstat (limited to 'chromium/third_party/angle/third_party/vulkan-loader/src/loader/cJSON.c')
-rw-r--r--chromium/third_party/angle/third_party/vulkan-loader/src/loader/cJSON.c1215
1 files changed, 1215 insertions, 0 deletions
diff --git a/chromium/third_party/angle/third_party/vulkan-loader/src/loader/cJSON.c b/chromium/third_party/angle/third_party/vulkan-loader/src/loader/cJSON.c
new file mode 100644
index 00000000000..8da6d83c329
--- /dev/null
+++ b/chromium/third_party/angle/third_party/vulkan-loader/src/loader/cJSON.c
@@ -0,0 +1,1215 @@
+/*
+ Copyright (c) 2009 Dave Gamble
+ Copyright (c) 2015-2016 The Khronos Group Inc.
+ Copyright (c) 2015-2016 Valve Corporation
+ Copyright (c) 2015-2016 LunarG, Inc.
+
+ 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. */
+
+#include <string.h>
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+#include <float.h>
+#include <limits.h>
+#include <ctype.h>
+#include "cJSON.h"
+
+static const char *ep;
+
+const char *cJSON_GetErrorPtr(void) { return ep; }
+
+static void *(*cJSON_malloc)(size_t sz) = malloc;
+static void (*cJSON_free)(void *ptr) = free;
+
+static char *cJSON_strdup(const char *str) {
+ size_t len;
+ char *copy;
+
+ len = strlen(str) + 1;
+ if (!(copy = (char *)cJSON_malloc(len))) return 0;
+ memcpy(copy, str, len);
+ return copy;
+}
+
+void cJSON_InitHooks(cJSON_Hooks *hooks) {
+ if (!hooks) { /* Reset hooks */
+ cJSON_malloc = malloc;
+ cJSON_free = free;
+ return;
+ }
+
+ cJSON_malloc = (hooks->malloc_fn) ? hooks->malloc_fn : malloc;
+ cJSON_free = (hooks->free_fn) ? hooks->free_fn : free;
+}
+
+/* Internal constructor. */
+static cJSON *cJSON_New_Item(void) {
+ cJSON *node = (cJSON *)cJSON_malloc(sizeof(cJSON));
+ if (node) memset(node, 0, sizeof(cJSON));
+ return node;
+}
+
+/* Delete a cJSON structure. */
+void cJSON_Delete(cJSON *c) {
+ cJSON *next;
+ while (c) {
+ next = c->next;
+ if (!(c->type & cJSON_IsReference) && c->child) cJSON_Delete(c->child);
+ if (!(c->type & cJSON_IsReference) && c->valuestring) cJSON_free(c->valuestring);
+ if (!(c->type & cJSON_StringIsConst) && c->string) cJSON_free(c->string);
+ cJSON_free(c);
+ c = next;
+ }
+}
+
+void cJSON_Free(void *p) { cJSON_free(p); }
+
+/* Parse the input text to generate a number, and populate the result into item.
+ */
+static const char *parse_number(cJSON *item, const char *num) {
+ double n = 0, sign = 1, scale = 0;
+ int subscale = 0, signsubscale = 1;
+
+ if (*num == '-') sign = -1, num++; /* Has sign? */
+ if (*num == '0') num++; /* is zero */
+ if (*num >= '1' && *num <= '9') do
+ n = (n * 10.0) + (*num++ - '0');
+ while (*num >= '0' && *num <= '9'); /* Number? */
+ if (*num == '.' && num[1] >= '0' && num[1] <= '9') {
+ num++;
+ do
+ n = (n * 10.0) + (*num++ - '0'), scale--;
+ while (*num >= '0' && *num <= '9');
+ } /* Fractional part? */
+ if (*num == 'e' || *num == 'E') /* Exponent? */
+ {
+ num++;
+ if (*num == '+')
+ num++;
+ else if (*num == '-')
+ signsubscale = -1, num++; /* With sign? */
+ while (*num >= '0' && *num <= '9') subscale = (subscale * 10) + (*num++ - '0'); /* Number? */
+ }
+
+ n = sign * n * pow(10.0, (scale + subscale * signsubscale)); /* number = +/-
+ number.fraction *
+ 10^+/- exponent */
+
+ item->valuedouble = n;
+ item->valueint = (int)n;
+ item->type = cJSON_Number;
+ return num;
+}
+
+static size_t pow2gt(size_t x) {
+ --x;
+ x |= x >> 1;
+ x |= x >> 2;
+ x |= x >> 4;
+ x |= x >> 8;
+ x |= x >> 16;
+ return x + 1;
+}
+
+typedef struct {
+ char *buffer;
+ size_t length;
+ size_t offset;
+} printbuffer;
+
+static char *ensure(printbuffer *p, size_t needed) {
+ char *newbuffer;
+ size_t newsize;
+ if (!p || !p->buffer) return 0;
+ needed += p->offset;
+ if (needed <= p->length) return p->buffer + p->offset;
+
+ newsize = pow2gt(needed);
+ newbuffer = (char *)cJSON_malloc(newsize);
+ if (!newbuffer) {
+ cJSON_free(p->buffer);
+ p->length = 0, p->buffer = 0;
+ return 0;
+ }
+ if (newbuffer) memcpy(newbuffer, p->buffer, p->length);
+ cJSON_free(p->buffer);
+ p->length = newsize;
+ p->buffer = newbuffer;
+ return newbuffer + p->offset;
+}
+
+static size_t update(printbuffer *p) {
+ char *str;
+ if (!p || !p->buffer) return 0;
+ str = p->buffer + p->offset;
+ return p->offset + strlen(str);
+}
+
+/* Render the number nicely from the given item into a string. */
+static char *print_number(cJSON *item, printbuffer *p) {
+ char *str = 0;
+ double d = item->valuedouble;
+ if (d == 0) {
+ if (p)
+ str = ensure(p, 2);
+ else
+ str = (char *)cJSON_malloc(2); /* special case for 0. */
+ if (str) strcpy(str, "0");
+ } else if (fabs(((double)item->valueint) - d) <= DBL_EPSILON && d <= INT_MAX && d >= INT_MIN) {
+ if (p)
+ str = ensure(p, 21);
+ else
+ str = (char *)cJSON_malloc(21); /* 2^64+1 can be represented in 21 chars. */
+ if (str) sprintf(str, "%d", item->valueint);
+ } else {
+ if (p)
+ str = ensure(p, 64);
+ else
+ str = (char *)cJSON_malloc(64); /* This is a nice tradeoff. */
+ if (str) {
+ if (fabs(floor(d) - d) <= DBL_EPSILON && fabs(d) < 1.0e60)
+ sprintf(str, "%.0f", d);
+ else if (fabs(d) < 1.0e-6 || fabs(d) > 1.0e9)
+ sprintf(str, "%e", d);
+ else
+ sprintf(str, "%f", d);
+ }
+ }
+ return str;
+}
+
+static unsigned parse_hex4(const char *str) {
+ unsigned h = 0;
+ if (*str >= '0' && *str <= '9')
+ h += (*str) - '0';
+ else if (*str >= 'A' && *str <= 'F')
+ h += 10 + (*str) - 'A';
+ else if (*str >= 'a' && *str <= 'f')
+ h += 10 + (*str) - 'a';
+ else
+ return 0;
+ h = h << 4;
+ str++;
+ if (*str >= '0' && *str <= '9')
+ h += (*str) - '0';
+ else if (*str >= 'A' && *str <= 'F')
+ h += 10 + (*str) - 'A';
+ else if (*str >= 'a' && *str <= 'f')
+ h += 10 + (*str) - 'a';
+ else
+ return 0;
+ h = h << 4;
+ str++;
+ if (*str >= '0' && *str <= '9')
+ h += (*str) - '0';
+ else if (*str >= 'A' && *str <= 'F')
+ h += 10 + (*str) - 'A';
+ else if (*str >= 'a' && *str <= 'f')
+ h += 10 + (*str) - 'a';
+ else
+ return 0;
+ h = h << 4;
+ str++;
+ if (*str >= '0' && *str <= '9')
+ h += (*str) - '0';
+ else if (*str >= 'A' && *str <= 'F')
+ h += 10 + (*str) - 'A';
+ else if (*str >= 'a' && *str <= 'f')
+ h += 10 + (*str) - 'a';
+ else
+ return 0;
+ return h;
+}
+
+/* Parse the input text into an unescaped cstring, and populate item. */
+static const unsigned char firstByteMark[7] = {0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC};
+static const char *parse_string(cJSON *item, const char *str) {
+ const char *ptr = str + 1;
+ char *ptr2;
+ char *out;
+ int len = 0;
+ unsigned uc, uc2;
+ if (*str != '\"') {
+ ep = str;
+ return 0;
+ } /* not a string! */
+
+ while (*ptr != '\"' && *ptr && ++len)
+ if (*ptr++ == '\\') ptr++; /* Skip escaped quotes. */
+
+ out = (char *)cJSON_malloc(len + 1); /* This is how long we need for the string, roughly. */
+ if (!out) return 0;
+
+ ptr = str + 1;
+ ptr2 = out;
+ while (*ptr != '\"' && *ptr) {
+ if (*ptr != '\\')
+ *ptr2++ = *ptr++;
+ else {
+ ptr++;
+ switch (*ptr) {
+ case 'b':
+ *ptr2++ = '\b';
+ break;
+ case 'f':
+ *ptr2++ = '\f';
+ break;
+ case 'n':
+ *ptr2++ = '\n';
+ break;
+ case 'r':
+ *ptr2++ = '\r';
+ break;
+ case 't':
+ *ptr2++ = '\t';
+ break;
+ case 'u': /* transcode utf16 to utf8. */
+ uc = parse_hex4(ptr + 1);
+ ptr += 4; /* get the unicode char. */
+
+ if ((uc >= 0xDC00 && uc <= 0xDFFF) || uc == 0) break; /* check for invalid. */
+
+ if (uc >= 0xD800 && uc <= 0xDBFF) /* UTF16 surrogate pairs. */
+ {
+ if (ptr[1] != '\\' || ptr[2] != 'u') break; /* missing second-half of surrogate. */
+ uc2 = parse_hex4(ptr + 3);
+ ptr += 6;
+ if (uc2 < 0xDC00 || uc2 > 0xDFFF) break; /* invalid second-half of surrogate. */
+ uc = 0x10000 + (((uc & 0x3FF) << 10) | (uc2 & 0x3FF));
+ }
+
+ len = 4;
+ if (uc < 0x80)
+ len = 1;
+ else if (uc < 0x800)
+ len = 2;
+ else if (uc < 0x10000)
+ len = 3;
+ ptr2 += len;
+
+ switch (len) {
+ case 4:
+ *--ptr2 = ((uc | 0x80) & 0xBF);
+ uc >>= 6;
+ // fall through
+ case 3:
+ *--ptr2 = ((uc | 0x80) & 0xBF);
+ uc >>= 6;
+ // fall through
+ case 2:
+ *--ptr2 = ((uc | 0x80) & 0xBF);
+ uc >>= 6;
+ // fall through
+ case 1:
+ *--ptr2 = ((unsigned char)uc | firstByteMark[len]);
+ }
+ ptr2 += len;
+ break;
+ default:
+ *ptr2++ = *ptr;
+ break;
+ }
+ ptr++;
+ }
+ }
+ *ptr2 = 0;
+ if (*ptr == '\"') ptr++;
+ item->valuestring = out;
+ item->type = cJSON_String;
+ return ptr;
+}
+
+/* Render the cstring provided to an escaped version that can be printed. */
+static char *print_string_ptr(const char *str, printbuffer *p) {
+ const char *ptr;
+ char *ptr2;
+ char *out;
+ size_t len = 0, flag = 0;
+ unsigned char token;
+
+ for (ptr = str; *ptr; ptr++) flag |= ((*ptr > 0 && *ptr < 32) || (*ptr == '\"') || (*ptr == '\\')) ? 1 : 0;
+ if (!flag) {
+ len = ptr - str;
+ if (p)
+ out = ensure(p, len + 3);
+ else
+ out = (char *)cJSON_malloc(len + 3);
+ if (!out) return 0;
+ ptr2 = out;
+ *ptr2++ = '\"';
+ strcpy(ptr2, str);
+ ptr2[len] = '\"';
+ ptr2[len + 1] = 0;
+ return out;
+ }
+
+ if (!str) {
+ if (p)
+ out = ensure(p, 3);
+ else
+ out = (char *)cJSON_malloc(3);
+ if (!out) return 0;
+ strcpy(out, "\"\"");
+ return out;
+ }
+ ptr = str;
+ while ((token = *ptr) && ++len) {
+ if (strchr("\"\\\b\f\n\r\t", token))
+ len++;
+ else if (token < 32)
+ len += 5;
+ ptr++;
+ }
+
+ if (p)
+ out = ensure(p, len + 3);
+ else
+ out = (char *)cJSON_malloc(len + 3);
+ if (!out) return 0;
+
+ ptr2 = out;
+ ptr = str;
+ *ptr2++ = '\"';
+ while (*ptr) {
+ if ((unsigned char)*ptr > 31 && *ptr != '\"' && *ptr != '\\')
+ *ptr2++ = *ptr++;
+ else {
+ switch (token = *ptr++) {
+ case '\\':
+ *ptr2++ = '\\';
+ break;
+ case '\"':
+ *ptr2++ = '\"';
+ break;
+ case '\b':
+ *ptr2++ = '\b';
+ break;
+ case '\f':
+ *ptr2++ = '\f';
+ break;
+ case '\n':
+ *ptr2++ = '\n';
+ break;
+ case '\r':
+ *ptr2++ = '\r';
+ break;
+ case '\t':
+ *ptr2++ = '\t';
+ break;
+ default:
+ sprintf(ptr2, "u%04x", token);
+ ptr2 += 5;
+ break; /* escape and print */
+ }
+ }
+ }
+ *ptr2++ = '\"';
+ *ptr2++ = 0;
+ return out;
+}
+/* Invote print_string_ptr (which is useful) on an item. */
+static char *print_string(cJSON *item, printbuffer *p) { return print_string_ptr(item->valuestring, p); }
+
+/* Predeclare these prototypes. */
+static const char *parse_value(cJSON *item, const char *value);
+static char *print_value(cJSON *item, int depth, int fmt, printbuffer *p);
+static const char *parse_array(cJSON *item, const char *value);
+static char *print_array(cJSON *item, int depth, int fmt, printbuffer *p);
+static const char *parse_object(cJSON *item, const char *value);
+static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p);
+
+/* Utility to jump whitespace and cr/lf */
+static const char *skip(const char *in) {
+ while (in && *in && (unsigned char)*in <= 32) in++;
+ return in;
+}
+
+/* Parse an object - create a new root, and populate. */
+cJSON *cJSON_ParseWithOpts(const char *value, const char **return_parse_end, int require_null_terminated) {
+ const char *end = 0;
+ cJSON *c = cJSON_New_Item();
+ ep = 0;
+ if (!c) return 0; /* memory fail */
+
+ end = parse_value(c, skip(value));
+ if (!end) {
+ cJSON_Delete(c);
+ return 0;
+ } /* parse failure. ep is set. */
+
+ /* if we require null-terminated JSON without appended garbage, skip and
+ * then check for a null terminator */
+ if (require_null_terminated) {
+ end = skip(end);
+ if (*end) {
+ cJSON_Delete(c);
+ ep = end;
+ return 0;
+ }
+ }
+ if (return_parse_end) *return_parse_end = end;
+ return c;
+}
+/* Default options for cJSON_Parse */
+cJSON *cJSON_Parse(const char *value) { return cJSON_ParseWithOpts(value, 0, 0); }
+
+/* Render a cJSON item/entity/structure to text. */
+char *cJSON_Print(cJSON *item) { return print_value(item, 0, 1, 0); }
+char *cJSON_PrintUnformatted(cJSON *item) { return print_value(item, 0, 0, 0); }
+
+char *cJSON_PrintBuffered(cJSON *item, int prebuffer, int fmt) {
+ printbuffer p;
+ p.buffer = (char *)cJSON_malloc(prebuffer);
+ p.length = prebuffer;
+ p.offset = 0;
+ return print_value(item, 0, fmt, &p);
+}
+
+/* Parser core - when encountering text, process appropriately. */
+static const char *parse_value(cJSON *item, const char *value) {
+ if (!value) return 0; /* Fail on null. */
+ if (!strncmp(value, "null", 4)) {
+ item->type = cJSON_NULL;
+ return value + 4;
+ }
+ if (!strncmp(value, "false", 5)) {
+ item->type = cJSON_False;
+ return value + 5;
+ }
+ if (!strncmp(value, "true", 4)) {
+ item->type = cJSON_True;
+ item->valueint = 1;
+ return value + 4;
+ }
+ if (*value == '\"') {
+ return parse_string(item, value);
+ }
+ if (*value == '-' || (*value >= '0' && *value <= '9')) {
+ return parse_number(item, value);
+ }
+ if (*value == '[') {
+ return parse_array(item, value);
+ }
+ if (*value == '{') {
+ return parse_object(item, value);
+ }
+
+ ep = value;
+ return 0; /* failure. */
+}
+
+/* Render a value to text. */
+static char *print_value(cJSON *item, int depth, int fmt, printbuffer *p) {
+ char *out = 0;
+ if (!item) return 0;
+ if (p) {
+ switch ((item->type) & 255) {
+ case cJSON_NULL: {
+ out = ensure(p, 5);
+ if (out) strcpy(out, "null");
+ break;
+ }
+ case cJSON_False: {
+ out = ensure(p, 6);
+ if (out) strcpy(out, "false");
+ break;
+ }
+ case cJSON_True: {
+ out = ensure(p, 5);
+ if (out) strcpy(out, "true");
+ break;
+ }
+ case cJSON_Number:
+ out = print_number(item, p);
+ break;
+ case cJSON_String:
+ out = print_string(item, p);
+ break;
+ case cJSON_Array:
+ out = print_array(item, depth, fmt, p);
+ break;
+ case cJSON_Object:
+ out = print_object(item, depth, fmt, p);
+ break;
+ }
+ } else {
+ switch ((item->type) & 255) {
+ case cJSON_NULL:
+ out = cJSON_strdup("null");
+ break;
+ case cJSON_False:
+ out = cJSON_strdup("false");
+ break;
+ case cJSON_True:
+ out = cJSON_strdup("true");
+ break;
+ case cJSON_Number:
+ out = print_number(item, 0);
+ break;
+ case cJSON_String:
+ out = print_string(item, 0);
+ break;
+ case cJSON_Array:
+ out = print_array(item, depth, fmt, 0);
+ break;
+ case cJSON_Object:
+ out = print_object(item, depth, fmt, 0);
+ break;
+ }
+ }
+ return out;
+}
+
+/* Build an array from input text. */
+static const char *parse_array(cJSON *item, const char *value) {
+ cJSON *child;
+ if (*value != '[') {
+ ep = value;
+ return 0;
+ } /* not an array! */
+
+ item->type = cJSON_Array;
+ value = skip(value + 1);
+ if (*value == ']') return value + 1; /* empty array. */
+
+ item->child = child = cJSON_New_Item();
+ if (!item->child) return 0; /* memory fail */
+ value = skip(parse_value(child, skip(value))); /* skip any spacing, get the value. */
+ if (!value) return 0;
+
+ while (*value == ',') {
+ cJSON *new_item;
+ if (!(new_item = cJSON_New_Item())) return 0; /* memory fail */
+ child->next = new_item;
+ new_item->prev = child;
+ child = new_item;
+ value = skip(parse_value(child, skip(value + 1)));
+ if (!value) return 0; /* memory fail */
+ }
+
+ if (*value == ']') return value + 1; /* end of array */
+ ep = value;
+ return 0; /* malformed. */
+}
+
+/* Render an array to text */
+static char *print_array(cJSON *item, int depth, int fmt, printbuffer *p) {
+ char **entries;
+ char *out = 0, *ptr, *ret;
+ size_t len = 5;
+ cJSON *child = item->child;
+ int numentries = 0, fail = 0, j = 0;
+ size_t tmplen = 0, i = 0;
+
+ /* How many entries in the array? */
+ while (child) numentries++, child = child->next;
+ /* Explicitly handle numentries==0 */
+ if (!numentries) {
+ if (p)
+ out = ensure(p, 3);
+ else
+ out = (char *)cJSON_malloc(3);
+ if (out) strcpy(out, "[]");
+ return out;
+ }
+
+ if (p) {
+ /* Compose the output array. */
+ i = p->offset;
+ ptr = ensure(p, 1);
+ if (!ptr) return 0;
+ *ptr = '[';
+ p->offset++;
+ child = item->child;
+ while (child && !fail) {
+ print_value(child, depth + 1, fmt, p);
+ p->offset = update(p);
+ if (child->next) {
+ len = fmt ? 2 : 1;
+ ptr = ensure(p, len + 1);
+ if (!ptr) return 0;
+ *ptr++ = ',';
+ if (fmt) *ptr++ = ' ';
+ *ptr = 0;
+ p->offset += len;
+ }
+ child = child->next;
+ }
+ ptr = ensure(p, 2);
+ if (!ptr) return 0;
+ *ptr++ = ']';
+ *ptr = 0;
+ out = (p->buffer) + i;
+ } else {
+ /* Allocate an array to hold the values for each */
+ entries = (char **)cJSON_malloc(numentries * sizeof(char *));
+ if (!entries) return 0;
+ memset(entries, 0, numentries * sizeof(char *));
+ /* Retrieve all the results: */
+ child = item->child;
+ while (child && !fail) {
+ ret = print_value(child, depth + 1, fmt, 0);
+ entries[i++] = ret;
+ if (ret)
+ len += strlen(ret) + 2 + (fmt ? 1 : 0);
+ else
+ fail = 1;
+ child = child->next;
+ }
+
+ /* If we didn't fail, try to malloc the output string */
+ if (!fail) out = (char *)cJSON_malloc(len);
+ /* If that fails, we fail. */
+ if (!out) fail = 1;
+
+ /* Handle failure. */
+ if (fail) {
+ for (j = 0; j < numentries; j++)
+ if (entries[j]) cJSON_free(entries[j]);
+ cJSON_free(entries);
+ return 0;
+ }
+
+ /* Compose the output array. */
+ *out = '[';
+ ptr = out + 1;
+ *ptr = 0;
+ for (j = 0; j < numentries; j++) {
+ tmplen = strlen(entries[j]);
+ memcpy(ptr, entries[j], tmplen);
+ ptr += tmplen;
+ if (j != numentries - 1) {
+ *ptr++ = ',';
+ if (fmt) *ptr++ = ' ';
+ *ptr = 0;
+ }
+ cJSON_free(entries[j]);
+ }
+ cJSON_free(entries);
+ *ptr++ = ']';
+ *ptr++ = 0;
+ }
+ return out;
+}
+
+/* Build an object from the text. */
+static const char *parse_object(cJSON *item, const char *value) {
+ cJSON *child;
+ if (*value != '{') {
+ ep = value;
+ return 0;
+ } /* not an object! */
+
+ item->type = cJSON_Object;
+ value = skip(value + 1);
+ if (*value == '}') return value + 1; /* empty array. */
+
+ item->child = child = cJSON_New_Item();
+ if (!item->child) return 0;
+ value = skip(parse_string(child, skip(value)));
+ if (!value) return 0;
+ child->string = child->valuestring;
+ child->valuestring = 0;
+ if (*value != ':') {
+ ep = value;
+ return 0;
+ } /* fail! */
+ value = skip(parse_value(child, skip(value + 1))); /* skip any spacing, get the value. */
+ if (!value) return 0;
+
+ while (*value == ',') {
+ cJSON *new_item;
+ if (!(new_item = cJSON_New_Item())) return 0; /* memory fail */
+ child->next = new_item;
+ new_item->prev = child;
+ child = new_item;
+ value = skip(parse_string(child, skip(value + 1)));
+ if (!value) return 0;
+ child->string = child->valuestring;
+ child->valuestring = 0;
+ if (*value != ':') {
+ ep = value;
+ return 0;
+ } /* fail! */
+ value = skip(parse_value(child, skip(value + 1))); /* skip any spacing, get the value. */
+ if (!value) return 0;
+ }
+
+ if (*value == '}') return value + 1; /* end of array */
+ ep = value;
+ return 0; /* malformed. */
+}
+
+/* Render an object to text. */
+static char *print_object(cJSON *item, int depth, int fmt, printbuffer *p) {
+ char **entries = 0, **names = 0;
+ char *out = 0, *ptr, *ret, *str;
+ int j;
+ cJSON *child = item->child;
+ int numentries = 0, fail = 0, k;
+ size_t tmplen = 0, i = 0, len = 7;
+ /* Count the number of entries. */
+ while (child) numentries++, child = child->next;
+ /* Explicitly handle empty object case */
+ if (!numentries) {
+ if (p)
+ out = ensure(p, fmt ? depth + 4 : 3);
+ else
+ out = (char *)cJSON_malloc(fmt ? depth + 4 : 3);
+ if (!out) return 0;
+ ptr = out;
+ *ptr++ = '{';
+ if (fmt) {
+ *ptr++ = '\n';
+ for (j = 0; j < depth - 1; j++) *ptr++ = '\t';
+ }
+ *ptr++ = '}';
+ *ptr++ = 0;
+ return out;
+ }
+ if (p) {
+ /* Compose the output: */
+ i = p->offset;
+ len = fmt ? 2 : 1;
+ ptr = ensure(p, len + 1);
+ if (!ptr) return 0;
+ *ptr++ = '{';
+ if (fmt) *ptr++ = '\n';
+ *ptr = 0;
+ p->offset += len;
+ child = item->child;
+ depth++;
+ while (child) {
+ if (fmt) {
+ ptr = ensure(p, depth);
+ if (!ptr) return 0;
+ for (j = 0; j < depth; j++) *ptr++ = '\t';
+ p->offset += depth;
+ }
+ print_string_ptr(child->string, p);
+ p->offset = update(p);
+
+ len = fmt ? 2 : 1;
+ ptr = ensure(p, len);
+ if (!ptr) return 0;
+ *ptr++ = ':';
+ if (fmt) *ptr++ = '\t';
+ p->offset += len;
+
+ print_value(child, depth, fmt, p);
+ p->offset = update(p);
+
+ len = (fmt ? 1 : 0) + (child->next ? 1 : 0);
+ ptr = ensure(p, len + 1);
+ if (!ptr) return 0;
+ if (child->next) *ptr++ = ',';
+ if (fmt) *ptr++ = '\n';
+ *ptr = 0;
+ p->offset += len;
+ child = child->next;
+ }
+ ptr = ensure(p, fmt ? (depth + 1) : 2);
+ if (!ptr) return 0;
+ if (fmt)
+ for (j = 0; j < depth - 1; j++) *ptr++ = '\t';
+ *ptr++ = '}';
+ *ptr = 0;
+ out = (p->buffer) + i;
+ } else {
+ /* Allocate space for the names and the objects */
+ entries = (char **)cJSON_malloc(numentries * sizeof(char *));
+ if (!entries) return 0;
+ names = (char **)cJSON_malloc(numentries * sizeof(char *));
+ if (!names) {
+ cJSON_free(entries);
+ return 0;
+ }
+ memset(entries, 0, sizeof(char *) * numentries);
+ memset(names, 0, sizeof(char *) * numentries);
+
+ /* Collect all the results into our arrays: */
+ child = item->child;
+ depth++;
+ if (fmt) len += depth;
+ while (child) {
+ names[i] = str = print_string_ptr(child->string, 0);
+ entries[i++] = ret = print_value(child, depth, fmt, 0);
+ if (str && ret)
+ len += strlen(ret) + strlen(str) + 2 + (fmt ? 2 + depth : 0);
+ else
+ fail = 1;
+ child = child->next;
+ }
+
+ /* Try to allocate the output string */
+ if (!fail) out = (char *)cJSON_malloc(len);
+ if (!out) fail = 1;
+
+ /* Handle failure */
+ if (fail) {
+ for (j = 0; j < numentries; j++) {
+ if (names[i]) cJSON_free(names[j]);
+ if (entries[j]) cJSON_free(entries[j]);
+ }
+ cJSON_free(names);
+ cJSON_free(entries);
+ return 0;
+ }
+
+ /* Compose the output: */
+ *out = '{';
+ ptr = out + 1;
+ if (fmt) *ptr++ = '\n';
+ *ptr = 0;
+ for (j = 0; j < numentries; j++) {
+ if (fmt)
+ for (k = 0; k < depth; k++) *ptr++ = '\t';
+ tmplen = strlen(names[j]);
+ memcpy(ptr, names[j], tmplen);
+ ptr += tmplen;
+ *ptr++ = ':';
+ if (fmt) *ptr++ = '\t';
+ strcpy(ptr, entries[j]);
+ ptr += strlen(entries[j]);
+ if (j != numentries - 1) *ptr++ = ',';
+ if (fmt) *ptr++ = '\n';
+ *ptr = 0;
+ cJSON_free(names[j]);
+ cJSON_free(entries[j]);
+ }
+
+ cJSON_free(names);
+ cJSON_free(entries);
+ if (fmt)
+ for (j = 0; j < depth - 1; j++) *ptr++ = '\t';
+ *ptr++ = '}';
+ *ptr++ = 0;
+ }
+ return out;
+}
+
+/* Get Array size/item / object item. */
+int cJSON_GetArraySize(cJSON *array) {
+ cJSON *c = array->child;
+ int i = 0;
+ while (c) i++, c = c->next;
+ return i;
+}
+cJSON *cJSON_GetArrayItem(cJSON *array, int item) {
+ cJSON *c = array->child;
+ while (c && item > 0) item--, c = c->next;
+ return c;
+}
+cJSON *cJSON_GetObjectItem(cJSON *object, const char *string) {
+ cJSON *c = object->child;
+ while (c && strcmp(c->string, string)) c = c->next;
+ return c;
+}
+
+/* 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(cJSON *item) {
+ cJSON *ref = cJSON_New_Item();
+ if (!ref) return 0;
+ memcpy(ref, item, sizeof(cJSON));
+ ref->string = 0;
+ ref->type |= cJSON_IsReference;
+ ref->next = ref->prev = 0;
+ return ref;
+}
+
+/* Add item to array/object. */
+void cJSON_AddItemToArray(cJSON *array, cJSON *item) {
+ cJSON *c = array->child;
+ if (!item) return;
+ if (!c) {
+ array->child = item;
+ } else {
+ while (c && c->next) c = c->next;
+ suffix_object(c, item);
+ }
+}
+void cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item) {
+ if (!item) return;
+ if (item->string) cJSON_free(item->string);
+ item->string = cJSON_strdup(string);
+ cJSON_AddItemToArray(object, item);
+}
+void cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item) {
+ if (!item) return;
+ if (!(item->type & cJSON_StringIsConst) && item->string) cJSON_free(item->string);
+ item->string = (char *)string;
+ item->type |= cJSON_StringIsConst;
+ cJSON_AddItemToArray(object, item);
+}
+void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) { cJSON_AddItemToArray(array, create_reference(item)); }
+void cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item) {
+ cJSON_AddItemToObject(object, string, create_reference(item));
+}
+
+cJSON *cJSON_DetachItemFromArray(cJSON *array, int which) {
+ cJSON *c = array->child;
+ while (c && which > 0) c = c->next, which--;
+ if (!c) return 0;
+ if (c->prev) c->prev->next = c->next;
+ if (c->next) c->next->prev = c->prev;
+ if (c == array->child) array->child = c->next;
+ c->prev = c->next = 0;
+ return c;
+}
+void cJSON_DeleteItemFromArray(cJSON *array, int which) { cJSON_Delete(cJSON_DetachItemFromArray(array, which)); }
+cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string) {
+ int i = 0;
+ cJSON *c = object->child;
+ while (c && strcmp(c->string, string)) i++, c = c->next;
+ if (c) return cJSON_DetachItemFromArray(object, i);
+ return 0;
+}
+void cJSON_DeleteItemFromObject(cJSON *object, const char *string) { cJSON_Delete(cJSON_DetachItemFromObject(object, string)); }
+
+/* Replace array/object items with new ones. */
+void cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem) {
+ cJSON *c = array->child;
+ while (c && which > 0) c = c->next, which--;
+ if (!c) {
+ cJSON_AddItemToArray(array, newitem);
+ return;
+ }
+ newitem->next = c;
+ newitem->prev = c->prev;
+ c->prev = newitem;
+ if (c == array->child)
+ array->child = newitem;
+ else
+ newitem->prev->next = newitem;
+}
+void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem) {
+ cJSON *c = array->child;
+ while (c && which > 0) c = c->next, which--;
+ if (!c) return;
+ newitem->next = c->next;
+ newitem->prev = c->prev;
+ if (newitem->next) newitem->next->prev = newitem;
+ if (c == array->child)
+ array->child = newitem;
+ else
+ newitem->prev->next = newitem;
+ c->next = c->prev = 0;
+ cJSON_Delete(c);
+}
+void cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem) {
+ int i = 0;
+ cJSON *c = object->child;
+ while (c && strcmp(c->string, string)) i++, c = c->next;
+ if (c) {
+ newitem->string = cJSON_strdup(string);
+ cJSON_ReplaceItemInArray(object, i, newitem);
+ }
+}
+
+/* Create basic types: */
+cJSON *cJSON_CreateNull(void) {
+ cJSON *item = cJSON_New_Item();
+ if (item) item->type = cJSON_NULL;
+ return item;
+}
+cJSON *cJSON_CreateTrue(void) {
+ cJSON *item = cJSON_New_Item();
+ if (item) item->type = cJSON_True;
+ return item;
+}
+cJSON *cJSON_CreateFalse(void) {
+ cJSON *item = cJSON_New_Item();
+ if (item) item->type = cJSON_False;
+ return item;
+}
+cJSON *cJSON_CreateBool(int b) {
+ cJSON *item = cJSON_New_Item();
+ if (item) item->type = b ? cJSON_True : cJSON_False;
+ return item;
+}
+cJSON *cJSON_CreateNumber(double num) {
+ cJSON *item = cJSON_New_Item();
+ if (item) {
+ item->type = cJSON_Number;
+ item->valuedouble = num;
+ item->valueint = (int)num;
+ }
+ return item;
+}
+cJSON *cJSON_CreateString(const char *string) {
+ cJSON *item = cJSON_New_Item();
+ if (item) {
+ item->type = cJSON_String;
+ item->valuestring = cJSON_strdup(string);
+ }
+ return item;
+}
+cJSON *cJSON_CreateArray(void) {
+ cJSON *item = cJSON_New_Item();
+ if (item) item->type = cJSON_Array;
+ return item;
+}
+cJSON *cJSON_CreateObject(void) {
+ cJSON *item = cJSON_New_Item();
+ if (item) item->type = cJSON_Object;
+ return item;
+}
+
+/* Create Arrays: */
+cJSON *cJSON_CreateIntArray(const int *numbers, int count) {
+ int i;
+ cJSON *n = 0, *p = 0, *a = cJSON_CreateArray();
+ for (i = 0; a && i < count; i++) {
+ n = cJSON_CreateNumber(numbers[i]);
+ if (!i)
+ a->child = n;
+ else
+ suffix_object(p, n);
+ p = n;
+ }
+ return a;
+}
+cJSON *cJSON_CreateFloatArray(const float *numbers, int count) {
+ int i;
+ cJSON *n = 0, *p = 0, *a = cJSON_CreateArray();
+ for (i = 0; a && i < count; i++) {
+ n = cJSON_CreateNumber(numbers[i]);
+ if (!i)
+ a->child = n;
+ else
+ suffix_object(p, n);
+ p = n;
+ }
+ return a;
+}
+cJSON *cJSON_CreateDoubleArray(const double *numbers, int count) {
+ int i;
+ cJSON *n = 0, *p = 0, *a = cJSON_CreateArray();
+ for (i = 0; a && i < count; i++) {
+ n = cJSON_CreateNumber(numbers[i]);
+ if (!i)
+ a->child = n;
+ else
+ suffix_object(p, n);
+ p = n;
+ }
+ return a;
+}
+cJSON *cJSON_CreateStringArray(const char **strings, int count) {
+ int i;
+ cJSON *n = 0, *p = 0, *a = cJSON_CreateArray();
+ for (i = 0; a && i < count; i++) {
+ n = cJSON_CreateString(strings[i]);
+ if (!i)
+ a->child = n;
+ else
+ suffix_object(p, n);
+ p = n;
+ }
+ return a;
+}
+
+/* Duplication */
+cJSON *cJSON_Duplicate(cJSON *item, int recurse) {
+ cJSON *newitem, *cptr, *nptr = 0, *newchild;
+ /* Bail on bad ptr */
+ if (!item) return 0;
+ /* Create new item */
+ newitem = cJSON_New_Item();
+ if (!newitem) return 0;
+ /* Copy over all vars */
+ newitem->type = item->type & (~cJSON_IsReference), newitem->valueint = item->valueint, newitem->valuedouble = item->valuedouble;
+ if (item->valuestring) {
+ newitem->valuestring = cJSON_strdup(item->valuestring);
+ if (!newitem->valuestring) {
+ cJSON_Delete(newitem);
+ return 0;
+ }
+ }
+ if (item->string) {
+ newitem->string = cJSON_strdup(item->string);
+ if (!newitem->string) {
+ cJSON_Delete(newitem);
+ return 0;
+ }
+ }
+ /* If non-recursive, then we're done! */
+ if (!recurse) return newitem;
+ /* Walk the ->next chain for the child. */
+ cptr = item->child;
+ while (cptr) {
+ newchild = cJSON_Duplicate(cptr, 1); /* Duplicate (with recurse) each item in the ->next chain */
+ if (!newchild) {
+ cJSON_Delete(newitem);
+ return 0;
+ }
+ if (nptr) {
+ nptr->next = newchild, newchild->prev = nptr;
+ nptr = newchild;
+ } /* If newitem->child already set, then crosswire ->prev and ->next and
+ move on */
+ else {
+ newitem->child = newchild;
+ nptr = newchild;
+ } /* Set newitem->child and move to it */
+ cptr = cptr->next;
+ }
+ return newitem;
+}
+
+void cJSON_Minify(char *json) {
+ char *into = json;
+ while (*json) {
+ if (*json == ' ')
+ json++;
+ else if (*json == '\t')
+ json++; /* Whitespace characters. */
+ else if (*json == '\r')
+ json++;
+ else if (*json == '\n')
+ json++;
+ else if (*json == '/' && json[1] == '/')
+ while (*json && *json != '\n') json++; /* double-slash comments, to end of line. */
+ else if (*json == '/' && json[1] == '*') {
+ while (*json && !(*json == '*' && json[1] == '/')) json++;
+ json += 2;
+ } /* multiline comments. */
+ else if (*json == '\"') {
+ *into++ = *json++;
+ while (*json && *json != '\"') {
+ if (*json == '\\') *into++ = *json++;
+ *into++ = *json++;
+ }
+ *into++ = *json++;
+ } /* string literals, which are \" sensitive. */
+ else
+ *into++ = *json++; /* All other characters. */
+ }
+ *into = 0; /* and null-terminate. */
+}
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