diff options
Diffstat (limited to 'navit/vehicle/webos/cJSON.c')
| -rw-r--r-- | navit/vehicle/webos/cJSON.c | 799 |
1 files changed, 0 insertions, 799 deletions
diff --git a/navit/vehicle/webos/cJSON.c b/navit/vehicle/webos/cJSON.c deleted file mode 100644 index 9026a224f..000000000 --- a/navit/vehicle/webos/cJSON.c +++ /dev/null @@ -1,799 +0,0 @@ -/* - Copyright (c) 2009 Dave Gamble - - 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() { - return ep; -} - -static int cJSON_strcasecmp(const char *s1,const char *s2) { - if (!s1) return (s1==s2)?0:1; - if (!s2) return 1; - for(; tolower(*s1) == tolower(*s2); ++s1, ++s2) if(*s1 == 0) return 0; - return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2); -} - -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->string) cJSON_free(c->string); - cJSON_free(c); - c=next; - } -} - -/* 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; - - /* Could use sscanf for this? */ - 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++; /* Fractional part? */ - do n=(n*10.0)+(*num++ -'0'),scale--; - while (*num>='0' && *num<='9'); - } - 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; -} - -/* Render the number nicely from the given item into a string. */ -static char *print_number(cJSON *item) { - char *str; - double d=item->valuedouble; - if (fabs(((double)item->valueint)-d)<=DBL_EPSILON && d<=INT_MAX && d>=INT_MIN) { - str=(char*)cJSON_malloc(21); /* 2^64+1 can be represented in 21 chars. */ - if (str) sprintf(str,"%d",item->valueint); - } else { - str=(char*)cJSON_malloc(64); /* This is a nice tradeoff. */ - if (str) { - if (fabs(floor(d)-d)<=DBL_EPSILON) 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; -} - -/* 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; /* not a string! */ - return 0; - } - - 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. */ - sscanf(ptr+1,"%4x",&uc); - 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. - sscanf(ptr+3,"%4x",&uc2); - 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; - case 3: - *--ptr2 =((uc | 0x80) & 0xBF); - uc >>= 6; - case 2: - *--ptr2 =((uc | 0x80) & 0xBF); - uc >>= 6; - case 1: - *--ptr2 =(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) { - const char *ptr; - char *ptr2,*out; - int len=0; - unsigned char token; - - if (!str) return cJSON_strdup(""); - ptr=str; - while ((token=*ptr) && ++len) { - if (strchr("\"\\\b\f\n\r\t",token)) len++; - else if (token<32) len+=5; - ptr++; - } - - 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 { - *ptr2++='\\'; - 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) { - return print_string_ptr(item->valuestring); -} - -/* Predeclare these prototypes. */ -static const char *parse_value(cJSON *item,const char *value); -static char *print_value(cJSON *item,int depth,int fmt); -static const char *parse_array(cJSON *item,const char *value); -static char *print_array(cJSON *item,int depth,int fmt); -static const char *parse_object(cJSON *item,const char *value); -static char *print_object(cJSON *item,int depth,int fmt); - -/* 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_Parse(const char *value) { - cJSON *c=cJSON_New_Item(); - ep=0; - if (!c) return 0; /* memory fail */ - - if (!parse_value(c,skip(value))) { - cJSON_Delete(c); - return 0; - } - return c; -} - -/* Render a cJSON item/entity/structure to text. */ -char *cJSON_Print(cJSON *item) { - return print_value(item,0,1); -} -char *cJSON_PrintUnformatted(cJSON *item) { - return print_value(item,0,0); -} - -/* 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) { - char *out=0; - if (!item) return 0; - 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); - break; - case cJSON_String: - out=print_string(item); - break; - case cJSON_Array: - out=print_array(item,depth,fmt); - break; - case cJSON_Object: - out=print_object(item,depth,fmt); - 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; /* not an array! */ - return 0; - } - - 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) { - char **entries; - char *out=0,*ptr,*ret; - int len=5; - cJSON *child=item->child; - int numentries=0,i=0,fail=0; - - /* How many entries in the array? */ - while (child) numentries++,child=child->next; - /* 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); - 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 (i=0; i<numentries; i++) if (entries[i]) cJSON_free(entries[i]); - cJSON_free(entries); - return 0; - } - - /* Compose the output array. */ - *out='['; - ptr=out+1; - *ptr=0; - for (i=0; i<numentries; i++) { - strcpy(ptr,entries[i]); - ptr+=strlen(entries[i]); - if (i!=numentries-1) { - *ptr++=','; - if(fmt)*ptr++=' '; - *ptr=0; - } - cJSON_free(entries[i]); - } - 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; /* not an object! */ - return 0; - } - - 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; /* fail! */ - return 0; - } - 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; /* fail! */ - return 0; - } - 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) { - char **entries=0,**names=0; - char *out=0,*ptr,*ret,*str; - int len=7,i=0,j; - cJSON *child=item->child; - int numentries=0,fail=0; - /* Count the number of entries. */ - while (child) numentries++,child=child->next; - /* 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); - entries[i++]=ret=print_value(child,depth,fmt); - 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 (i=0; i<numentries; i++) { - if (names[i]) cJSON_free(names[i]); - if (entries[i]) cJSON_free(entries[i]); - } - cJSON_free(names); - cJSON_free(entries); - return 0; - } - - /* Compose the output: */ - *out='{'; - ptr=out+1; - if (fmt)*ptr++='\n'; - *ptr=0; - for (i=0; i<numentries; i++) { - if (fmt) for (j=0; j<depth; j++) *ptr++='\t'; - strcpy(ptr,names[i]); - ptr+=strlen(names[i]); - *ptr++=':'; - if (fmt) *ptr++='\t'; - strcpy(ptr,entries[i]); - ptr+=strlen(entries[i]); - if (i!=numentries-1) *ptr++=','; - if (fmt) *ptr++='\n'; - *ptr=0; - cJSON_free(names[i]); - cJSON_free(entries[i]); - } - - cJSON_free(names); - cJSON_free(entries); - if (fmt) for (i=0; i<depth-1; i++) *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 && cJSON_strcasecmp(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_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 && cJSON_strcasecmp(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_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 && cJSON_strcasecmp(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() { - cJSON *item=cJSON_New_Item(); - if(item)item->type=cJSON_NULL; - return item; -} -cJSON *cJSON_CreateTrue() { - cJSON *item=cJSON_New_Item(); - if(item)item->type=cJSON_True; - return item; -} -cJSON *cJSON_CreateFalse() { - 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() { - cJSON *item=cJSON_New_Item(); - if(item)item->type=cJSON_Array; - return item; -} -cJSON *cJSON_CreateObject() { - cJSON *item=cJSON_New_Item(); - if(item)item->type=cJSON_Object; - return item; -} - -/* Create Arrays: */ -cJSON *cJSON_CreateIntArray(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(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(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; -} |