From d464c09d2c3ea500c4963649646a14dbf05f269b Mon Sep 17 00:00:00 2001 From: gb <741021719@qq.com> Date: Sat, 31 Dec 2022 11:38:27 +0800 Subject: [PATCH] add class json --- common/CMakeLists.txt | 2 +- common/event_monitor.h | 2 +- common/json/cJSON.c | 794 +++++++++++++++++++++++++++++++++++++++ common/json/cJSON.h | 157 ++++++++ common/json/json.cpp | 786 ++++++++++++++++++++++++++++++++++++++ common/json/json.h | 143 +++++++ scanner/main/scanner.cpp | 56 +++ 7 files changed, 1938 insertions(+), 2 deletions(-) create mode 100644 common/json/cJSON.c create mode 100644 common/json/cJSON.h create mode 100644 common/json/json.cpp create mode 100644 common/json/json.h diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt index 500096d..466b700 100644 --- a/common/CMakeLists.txt +++ b/common/CMakeLists.txt @@ -3,7 +3,7 @@ add_compile_options(-std=c++11) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS) -file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.cpp") +file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*" "${PROJECT_SOURCE_DIR}/json/*") set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS}) add_library(${PROJECT_NAME} STATIC ${DIR_SRCS}) diff --git a/common/event_monitor.h b/common/event_monitor.h index 4584f18..1bec8fe 100644 --- a/common/event_monitor.h +++ b/common/event_monitor.h @@ -38,7 +38,7 @@ enum scanner_event // 3 - image-process SCANNER_EVENT_IMAGE_PROC_FINAL_BUF = 200, // on_event(, (void**)buf, (size_t)len), get buffer for store the final image - SCANNER_EVENT_IMAGE_PROC_OK, + SCANNER_EVENT_IMAGE_PROC_OK, // on_event(, ) SCANNER_EVENT_IMAGE_PROC_ERR, // 4 - resource diff --git a/common/json/cJSON.c b/common/json/cJSON.c new file mode 100644 index 0000000..cd60134 --- /dev/null +++ b/common/json/cJSON.c @@ -0,0 +1,794 @@ +/* + 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 +#include +#include +#include +#include +#include +#include +#include "cJSON.h" + +static const char *ep; + +const char *cJSON_GetErrorPtr(void) {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* ask_memory(size_t bytes) +{ +// printf("allocate %u bytes memory in cJSON\n", bytes); + + return malloc(bytes); +} +static void *(*cJSON_malloc)(size_t sz) = ask_memory; +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 = ask_memory; + cJSON_free = free; + return; + } + + cJSON_malloc = (hooks->malloc_fn)?hooks->malloc_fn:ask_memory; + 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; + } +} + +/* 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 int pow2gt (int x) { --x; x|=x>>1; x|=x>>2; x|=x>>4; x|=x>>8; x|=x>>16; return x+1; } + +typedef struct {char *buffer; int length; int offset; } printbuffer; + +static char* ensure(printbuffer *p,int needed) +{ + char *newbuffer;int 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 int 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; + 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; +} +char* cJSON_utf8_2_unic(const char* utf8) +{ + char* unic = (char*)malloc(strlen(utf8) * 3 + 8); + unsigned char * cur = unic; + + while (*cur = *utf8++) + { + if ((*cur & 0x0f0) == 0x0e0) + { + if (((unsigned char)utf8[0] & 0x0c0) == 0x80 && + ((unsigned char)utf8[1] & 0x0c0) == 0x80) + { + char* hex = "0123456789ABCDEF"; + unsigned short us = *cur & 0x0f; + us <<= 6; + us += utf8[0] & 0x3f; + us <<= 6; + us += utf8[1] & 0x3f; + + *cur++ = '\\'; + *cur++ = 'u'; + cur[3] = hex[us & 0x0f]; + us >>= 4; + cur[2] = hex[us & 0x0f]; + us >>= 4; + cur[1] = hex[us & 0x0f]; + us >>= 4; + cur[0] = hex[us & 0x0f]; + cur += 3; + utf8 += 2; + } + } + cur++; + } + *cur++ = 0; + + return unic; +} + +/* 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,*out;int 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 + { + *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,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); + return p.buffer; +} + + +/* 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;int len=5; + cJSON *child=item->child; + int numentries=0,i=0,fail=0; + size_t tmplen=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 ask_memory 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;itype=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 len=7,i=0,j; + cJSON *child=item->child; + int numentries=0,fail=0; + size_t tmplen=0; + /* 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 (i=0;ioffset; + 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;joffset+=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 (i=0;ibuffer)+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 (i=0;ichild;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_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 && 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_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 && 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(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 && ichild=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 && ichild=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 && ichild=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 && ichild=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. */ +} diff --git a/common/json/cJSON.h b/common/json/cJSON.h new file mode 100644 index 0000000..913bc1e --- /dev/null +++ b/common/json/cJSON.h @@ -0,0 +1,157 @@ +/* + 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. +*/ + +#ifndef cJSON__h +#define cJSON__h +#include + +#ifdef __cplusplus +extern "C" +{ +#endif + +/* cJSON Types: */ +#define cJSON_False 0 +#define cJSON_True 1 +#define cJSON_NULL 2 +#define cJSON_Number 3 +#define cJSON_String 4 +#define cJSON_Array 5 +#define cJSON_Object 6 + +#define cJSON_IsReference 256 +#define cJSON_StringIsConst 512 + + +typedef void *(*malloc_fnxx)(size_t sz); +typedef void (*free_fnxx)(void *ptr); + +/* The cJSON structure: */ +typedef struct cJSON { + struct cJSON *next,*prev; /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */ + struct cJSON *child; /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */ + + int type; /* The type of the item, as above. */ + + char *valuestring; /* The item's string, if type==cJSON_String */ + int valueint; /* The item's number, if type==cJSON_Number */ + double valuedouble; /* The item's number, if type==cJSON_Number */ + + char *string; /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */ +} cJSON; + +typedef struct cJSON_Hooks { + malloc_fnxx malloc_fn; + free_fnxx free_fn; +} cJSON_Hooks; + +/* Supply malloc, realloc and free functions to cJSON */ +extern void cJSON_InitHooks(cJSON_Hooks* hooks); + + +/* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */ +extern cJSON *cJSON_Parse(const char *value); +/* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */ +extern char *cJSON_Print(cJSON *item); +/* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */ +extern char *cJSON_PrintUnformatted(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 */ +extern char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt); +/* Delete a cJSON entity and all subentities. */ +extern void cJSON_Delete(cJSON *c); + +/* Returns the number of items in an array (or object). */ +extern int cJSON_GetArraySize(cJSON *array); +/* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */ +extern cJSON *cJSON_GetArrayItem(cJSON *array,int item); +/* Get item "string" from object. Case insensitive. */ +extern cJSON *cJSON_GetObjectItem(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. */ +extern const char *cJSON_GetErrorPtr(void); + +/* These calls create a cJSON item of the appropriate type. */ +extern cJSON *cJSON_CreateNull(void); +extern cJSON *cJSON_CreateTrue(void); +extern cJSON *cJSON_CreateFalse(void); +extern cJSON *cJSON_CreateBool(int b); +extern cJSON *cJSON_CreateNumber(double num); +extern cJSON *cJSON_CreateString(const char *string); +extern cJSON *cJSON_CreateArray(void); +extern cJSON *cJSON_CreateObject(void); + +/* These utilities create an Array of count items. */ +extern cJSON *cJSON_CreateIntArray(const int *numbers,int count); +extern cJSON *cJSON_CreateFloatArray(const float *numbers,int count); +extern cJSON *cJSON_CreateDoubleArray(const double *numbers,int count); +extern cJSON *cJSON_CreateStringArray(const char **strings,int count); + +/* Append item to the specified array/object. */ +extern void cJSON_AddItemToArray(cJSON *array, cJSON *item); +extern void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item); +extern void cJSON_AddItemToObjectCS(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 */ +/* 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. */ +extern void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item); +extern void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item); + +/* Remove/Detatch items from Arrays/Objects. */ +extern cJSON *cJSON_DetachItemFromArray(cJSON *array,int which); +extern void cJSON_DeleteItemFromArray(cJSON *array,int which); +extern cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string); +extern void cJSON_DeleteItemFromObject(cJSON *object,const char *string); + +/* Update array items. */ +extern void cJSON_InsertItemInArray(cJSON *array,int which,cJSON *newitem); /* Shifts pre-existing items to the right. */ +extern void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem); +extern void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem); + +/* Duplicate a cJSON item */ +extern cJSON *cJSON_Duplicate(cJSON *item,int 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. */ + +/* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */ +extern cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated); + +extern void cJSON_Minify(char *json); + +// convert e681a2 to \u6062, call 'free' to free the returned value +extern char* cJSON_utf8_2_unic(const char* utf8); + +/* Macros for creating things quickly. */ +#define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull()) +#define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue()) +#define cJSON_AddFalseToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateFalse()) +#define cJSON_AddBoolToObject(object,name,b) cJSON_AddItemToObject(object, name, cJSON_CreateBool(b)) +#define cJSON_AddNumberToObject(object,name,n) cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n)) +#define cJSON_AddStringToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateString(s)) + +/* When assigning an integer value, it needs to be propagated to valuedouble too. */ +#define cJSON_SetIntValue(object,val) ((object)?(object)->valueint=(object)->valuedouble=(val):(val)) +#define cJSON_SetNumberValue(object,val) ((object)?(object)->valueint=(object)->valuedouble=(val):(val)) + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/common/json/json.cpp b/common/json/json.cpp new file mode 100644 index 0000000..70c0ff2 --- /dev/null +++ b/common/json/json.cpp @@ -0,0 +1,786 @@ + +#include "json.h" +#include "cJSON.h" +#include +#include + +namespace special_char_trans +{ + struct + { + const char* writedown_text; + char readable_char; + }transferred_chars[] = { { "\\\"", '\"' } + , { "\\'", '\'' } + , { "\\a", '\a' } + , { "\\b", '\b' } + , { "\\f", '\f' } + , { "\\n", '\n' } + , { "\\r", '\r' } + , { "\\t", '\t' } + , { "\\v", '\v' } + // , { "\\?", '\?' } + , { "\\\\", '\\' } + , { "\\/", '/' } + // , { "\\0", '\0' } + }; + + void to_writedown(std::string& str) + { + std::string trans(str); + const char* ptr = trans.c_str(); + + str.clear(); + while (*ptr) + { + bool rep = false; + if (*ptr == '\\') + { + if (ptr[1] == '\\') + { + str += "\\\\"; + ptr++; + rep = true; + } + else if( ptr[1] == '/' || + ptr[1] == 'a' || + ptr[1] == 'b' || + ptr[1] == 'f' || + ptr[1] == 'n' || + ptr[1] == 'r' || + ptr[1] == 't' || + ptr[1] == 'u' || + ptr[1] == 'v') + { + str += "\\"; + ptr++; + } + else + { + str += "\\\\"; + rep = true; + } + } + else + { + for (size_t i = 0; i < sizeof(transferred_chars) / sizeof(transferred_chars[0]); ++i) + { + if (*ptr == transferred_chars[i].readable_char) + { + str += transferred_chars[i].writedown_text; + rep = true; + break; + } + } + } + if (!rep) + str.append(1, *ptr); + ptr++; + } + } +} + + +json::json(char* json_txt) : type_(VAL_TYPE_OBJECT), key_(""), strval_(""), cur_child_(-1) +{ + simple_val_.dval = .0f; + if(json_txt) + attach_text(json_txt); +} +json::json(const char* key, bool val) : type_(VAL_TYPE_BOOL), key_(key ? key : ""), strval_(""), cur_child_(-1) +{ + simple_val_.bval = val; +} +json::json(const char* key, int val) : type_(VAL_TYPE_INT), key_(key ? key : ""), strval_(""), cur_child_(-1) +{ + simple_val_.nval = val; +} +json::json(const char* key, double val) : type_(VAL_TYPE_FLOAT), key_(key ? key : ""), strval_(""), cur_child_(-1) +{ + simple_val_.dval = val; +} +json::json(const char* key, const char* val) : type_(VAL_TYPE_STRING), key_(key ? key : ""), strval_(val ? val : ""), cur_child_(-1) +{} +json::~json() +{ + clear(); +} + +std::string json::object_key(json* jsn) +{ + return "\"" + jsn->key() + "\":"; +} +std::string json::array_key(json* jsn) +{ + return ""; +} + +void json::from_cjson(cJSON* cj) +{ + key_ = cj && cj->string ? cj->string : ""; + while (cj) + { + json* child = nullptr; + if (cj->type == cJSON_True) + { + child = new json(cj->string, true); + } + else if(cj->type == cJSON_False) + { + child = new json(cj->string, false); + } + else if (cj->type == cJSON_Number) + { + if (cj->valuedouble - (int)cj->valuedouble < .00001) + { + child = new json(cj->string, cj->valueint); + } + else + { + child = new json(cj->string, cj->valuedouble); + } + } + else if (cj->type == cJSON_String) + { + child = new json(cj->string, cj->valuestring); + } + else if (cj->type == cJSON_Object || cj->type == cJSON_Array) + { + child = new json(); + child->from_cjson(cj->child); + child->key_ = cj->string ? cj->string : ""; + } + arr_val_.push_back(child); + cj = cj->next; + } + + if (arr_val_.size() == 1 && arr_val_[0]->arr_val_.size() == 0) + { + json* child = arr_val_[0]; + + if (!child->key_.empty()) // array + { + arr_val_.clear(); + type_ = child->type_; + key_ = child->key_; + simple_val_.dval = child->simple_val_.dval; + strval_ = child->strval_; + for (auto& v : child->arr_val_) + arr_val_.push_back(v); + child->arr_val_.clear(); + child->release(); + } + } + + if (arr_val_.size()) + { + type_ = arr_val_[0]->key().empty() ? VAL_TYPE_ARRAY : VAL_TYPE_OBJECT; + } +} +json* json::find_child(const char* key, bool remove) +{ + json* ret = nullptr; + + if (type_ == VAL_TYPE_OBJECT) + { + for (size_t i = 0; i < arr_val_.size(); ++i) + { + if (arr_val_[i]->key() == key) + { + ret = arr_val_[i]; + if (remove) + arr_val_.erase(arr_val_.begin() + i); + else + ret->add_ref(); + + break; + } + } + } + + return ret; +} + +bool json::attach_text(char* json_txt) +{ + clear(); + + cJSON* jsn = cJSON_Parse(json_txt); + if (jsn) + { + char *text = cJSON_Print(jsn); + if (text) + free(text); + + from_cjson(jsn->child); + cJSON_Delete(jsn); + + return true; + } + + return false; +} +void json::clear(bool as_array) +{ + if (type_ == VAL_TYPE_ARRAY || type_ == VAL_TYPE_OBJECT) + { + for (auto& v : arr_val_) + v->release(); + } + type_ = as_array ? VAL_TYPE_ARRAY : VAL_TYPE_OBJECT; + simple_val_.dval = .0f; + key_ = ""; + strval_ = ""; + arr_val_.clear(); + cur_child_ = -1; +} +std::string json::to_string(void) +{ + if (type_ == VAL_TYPE_NULL) + return ""; + if (type_ == VAL_TYPE_BOOL) + return (simple_val_.bval ? "true" : "false"); + if (type_ == VAL_TYPE_INT) + return std::to_string(simple_val_.nval); + if (type_ == VAL_TYPE_FLOAT) + return std::to_string(simple_val_.dval); + if (type_ == VAL_TYPE_STRING) + { + char* u = cJSON_utf8_2_unic(strval_.c_str()); + std::string r(u); + + free(u); + special_char_trans::to_writedown(r); + + return "\"" + r + "\""; + } + + std::string(*k)(json*) = type_ == VAL_TYPE_OBJECT ? json::object_key : json::array_key; + std::string str(type_ == VAL_TYPE_OBJECT ? "{" : "["); + + if (arr_val_.size()) + { + str += k(arr_val_[0]) + arr_val_[0]->to_string(); + for(size_t i = 1; i < arr_val_.size(); ++i) + str += "," + k(arr_val_[i]) + arr_val_[i]->to_string(); + } + str += type_ == VAL_TYPE_OBJECT ? "}" : "]"; + + return str; +} + +std::string& json::key(void) +{ + return key_; +} +bool json::is_array(void) +{ + return type_ == VAL_TYPE_ARRAY; +} +bool json::is_leaf_node(void) +{ + return type_ == VAL_TYPE_BOOL || + type_ == VAL_TYPE_INT || + type_ == VAL_TYPE_FLOAT || + type_ == VAL_TYPE_STRING; +} + +bool json::get_value(const char* key, bool& val) +{ + bool ret = false; + json* child = find_child(key); + + if (child) + { + if (child->type_ == VAL_TYPE_BOOL) + { + val = child->simple_val_.bval; + ret = true; + } + child->release(); + } + else if (type_ == VAL_TYPE_BOOL && key_ == key) + { + val = simple_val_.bval; + ret = true; + } + + return ret; +} +bool json::get_value(const char* key, int& val) +{ + bool ret = false; + json* child = find_child(key); + + if (child) + { + if (child->type_ == VAL_TYPE_INT) + { + val = child->simple_val_.nval; + ret = true; + } + child->release(); + } + else if (type_ == VAL_TYPE_INT && key_ == key) + { + val = simple_val_.nval; + ret = true; + } + + return ret; +} +bool json::get_value(const char* key, double& val) +{ + bool ret = false; + json* child = find_child(key); + + if (child) + { + if (child->type_ == VAL_TYPE_FLOAT) + { + val = child->simple_val_.dval; + ret = true; + } + child->release(); + } + else if (type_ == VAL_TYPE_FLOAT && key_ == key) + { + val = simple_val_.dval; + ret = true; + } + + return ret; +} +bool json::get_value(const char* key, std::string& val) +{ + bool ret = false; + json* child = find_child(key); + + if (child) + { + if (child->type_ == VAL_TYPE_STRING) + { + val = child->strval_; + ret = true; + } + child->release(); + } + else if (type_ == VAL_TYPE_STRING && key_ == key) + { + val = strval_; + ret = true; + } + + return ret; +} +bool json::get_value(const char* key, json*& val) +{ + bool ret = false; + json *child = find_child(key); + + if (child) + { + if (child->type_ == VAL_TYPE_OBJECT) + { + val = child; + ret = true; + } + else + { + child->release(); + } + } + + return ret; +} + +size_t json::children(void) +{ + if (type_ == VAL_TYPE_ARRAY || type_ == VAL_TYPE_OBJECT) + return arr_val_.size(); + else + return -1; +} +json* json::child(size_t ind) +{ + if (type_ == VAL_TYPE_ARRAY || type_ == VAL_TYPE_OBJECT) + { + if (ind >= 0 && ind < arr_val_.size()) + { + arr_val_[ind]->add_ref(); + + return arr_val_[ind]; + } + } + + return nullptr; +} +json* json::first_child(void) +{ + if (type_ == VAL_TYPE_OBJECT || type_ == VAL_TYPE_ARRAY) + { + cur_child_ = 0; + if (arr_val_.size()) + { + arr_val_[0]->add_ref(); + + return arr_val_[0]; + } + } + + return nullptr; +} +json* json::next_child(void) +{ + if (type_ == VAL_TYPE_OBJECT || type_ == VAL_TYPE_ARRAY) + { + if (++cur_child_ < arr_val_.size()) + { + arr_val_[cur_child_]->add_ref(); + + return arr_val_[cur_child_]; + } + } + + return nullptr; +} + +bool json::set_value(const char* key, bool val) +{ + if (type_ != VAL_TYPE_OBJECT) + return false; + + json* child = find_child(key); + + if (child) + { + child->clear(); + child->type_ = VAL_TYPE_BOOL; + child->key() = key ? key : ""; + child->simple_val_.bval = val; + child->release(); + } + else + { + child = new json(key, val); + arr_val_.push_back(child); + } + + return true; +} +bool json::set_value(const char* key, int val) +{ + if (type_ != VAL_TYPE_OBJECT) + return false; + + json* child = find_child(key); + + if (child) + { + child->clear(); + child->type_ = VAL_TYPE_INT; + child->key() = key ? key : ""; + child->simple_val_.nval = val; + child->release(); + } + else + { + child = new json(key, val); + arr_val_.push_back(child); + } + + return true; +} +bool json::set_value(const char* key, double val) +{ + if (type_ != VAL_TYPE_OBJECT) + return false; + + json* child = find_child(key); + + if (child) + { + child->clear(); + child->type_ = VAL_TYPE_FLOAT; + child->key() = key ? key : ""; + child->simple_val_.dval = val; + child->release(); + } + else + { + child = new json(key, val); + arr_val_.push_back(child); + } + + return true; +} +bool json::set_value(const char* key, std::string val) +{ + if (type_ != VAL_TYPE_OBJECT) + return false; + + json* child = find_child(key); + + if (child) + { + child->clear(); + child->type_ = VAL_TYPE_STRING; + child->key() = key ? key : ""; + child->strval_ = val; + child->release(); + } + else + { + child = new json(key, val.c_str()); + arr_val_.push_back(child); + } + + return true; +} +bool json::set_value(const char* key, json* val) +{ + if (type_ != VAL_TYPE_OBJECT) + return false; + + for (size_t i = 0; i < arr_val_.size(); ++i) + { + if (arr_val_[i]->key() == key) + { + arr_val_[i]->release(); + arr_val_[i] = val; + val->add_ref(); + return true; + } + } + + arr_val_.push_back(val); + val->key() = key; + val->add_ref(); + + return true; +} + +json& json::operator+=(bool val) +{ + if (type_ == VAL_TYPE_ARRAY) + { + json* child = new json(nullptr, val); + arr_val_.push_back(child); + } + + return *this; +} +json& json::operator+=(int val) +{ + if (type_ == VAL_TYPE_ARRAY) + { + json* child = new json(nullptr, val); + arr_val_.push_back(child); + } + + return *this; +} +json& json::operator+=(double val) +{ + if (type_ == VAL_TYPE_ARRAY) + { + json* child = new json(nullptr, val); + arr_val_.push_back(child); + } + + return *this; +} +json& json::operator+=(const char* val) +{ + if (type_ == VAL_TYPE_ARRAY) + { + json* child = new json(nullptr, val); + arr_val_.push_back(child); + } + + return *this; +} +json& json::operator+=(json* val) +{ + if (type_ == VAL_TYPE_ARRAY) + { + val->add_ref(); + arr_val_.push_back(val); + } + + return *this; +} + +json& json::operator-=(int ind) +{ + remove(ind); + + return *this; +} +bool json::remove(const char* key) +{ + json* child = find_child(key, true); + + if (child) + { + child->release(); + return true; + } + else + { + return false; + } +} +bool json::remove(json* child) +{ + if (type_ == VAL_TYPE_ARRAY || type_ == VAL_TYPE_OBJECT) + { + for (size_t i = 0; i < arr_val_.size(); ++i) + { + if (arr_val_[i] == child) + { + arr_val_[i]->release(); + arr_val_.erase(arr_val_.begin() + i); + + return true; + } + } + } + + return false; +} +bool json::remove(int ind) +{ + bool ret = false; + + if (type_ == VAL_TYPE_ARRAY || type_ == VAL_TYPE_OBJECT) + { + if (ind >= 0 && ind < arr_val_.size()) + { + arr_val_[ind]->release(); + arr_val_.erase(arr_val_.begin() + ind); + ret = true; + } + } + + return ret; +} + +int json::index(json* child) +{ + if (type_ == VAL_TYPE_ARRAY || type_ == VAL_TYPE_OBJECT) + { + for (int i = 0; i < arr_val_.size(); ++i) + { + if (arr_val_[i] == child) + return i; + } + } + + return -1; +} +int json::index_move_to(json* child, int ind) +{ + int i = index(child); + + if (i == -1) + return -1; + + arr_val_.erase(arr_val_.begin() + i); + if (ind < 0) + ind = 0; + if (ind > arr_val_.size()) + ind = arr_val_.size(); + arr_val_.insert(arr_val_.begin() + ind, child); + + return ind; +} + +bool json::value(bool& val) +{ + bool ret = false; + + if (is_leaf_node() && type_ == VAL_TYPE_BOOL) + { + val = simple_val_.bval; + ret = true; + } + + return ret; +} +bool json::value(int& val) +{ + bool ret = false; + + if (is_leaf_node() && type_ == VAL_TYPE_INT) + { + val = simple_val_.nval; + ret = true; + } + + return ret; +} +bool json::value(double& val) +{ + bool ret = false; + + if (is_leaf_node() && type_ == VAL_TYPE_FLOAT) + { + val = simple_val_.dval; + ret = true; + } + + return ret; +} +bool json::value(std::string& val) +{ + bool ret = false; + + if (is_leaf_node() && type_ == VAL_TYPE_STRING) + { + val = strval_; + ret = true; + } + + return ret; +} +json& json::operator=(bool val) +{ + if (is_leaf_node()) + { + simple_val_.bval = val; + type_ = VAL_TYPE_BOOL; + } + + return *this; +} +json& json::operator=(int val) +{ + if (is_leaf_node()) + { + simple_val_.nval = val; + type_ = VAL_TYPE_INT; + } + + return *this; +} +json& json::operator=(double val) +{ + if (is_leaf_node()) + { + simple_val_.dval = val; + type_ = VAL_TYPE_FLOAT; + } + + return *this; +} +json& json::operator=(const char* val) +{ + if (is_leaf_node()) + { + strval_ = val ? val : ""; + type_ = VAL_TYPE_STRING; + } + + return *this; +} diff --git a/common/json/json.h b/common/json/json.h new file mode 100644 index 0000000..5167955 --- /dev/null +++ b/common/json/json.h @@ -0,0 +1,143 @@ +#pragma once + +#ifdef TEST_JSON +#include +class refer +{ + volatile int32_t ref_; + std::mutex mutex_; + +protected: + refer() : ref_(1) + {} + virtual ~refer() + {} + + virtual void on_born(void) {} + virtual void on_dead(void) {} + +public: + virtual int32_t add_ref(void) + { + std::lock_guard l(mutex_); + + return ++ref_; + } + virtual int32_t release(void) + { + int32_t ref; + + { + std::lock_guard l(mutex_); + ref = --ref_; + } + + if (ref == 0) + { + delete this; + } + + return ref; + } +}; +#else +#include "../referer.h" +#endif +#include +#include + +struct cJSON; + +class json : public refer +{ + enum val_type + { + VAL_TYPE_NULL = 0, + VAL_TYPE_BOOL, + VAL_TYPE_INT, + VAL_TYPE_FLOAT, + VAL_TYPE_STRING, + VAL_TYPE_OBJECT, + VAL_TYPE_ARRAY, + }; + val_type type_; + std::string key_; + union + { + bool bval; + int nval; + double dval; + }simple_val_; + std::string strval_; + std::vector arr_val_; + size_t cur_child_; + + static std::string object_key(json* jsn); + static std::string array_key(json* jsn); + + void from_cjson(cJSON* cj); + json* find_child(const char* key, bool remove = false); + +public: + json(char* json_txt = 0); + +protected: + json(const char* key, bool val); + json(const char* key, int val); + json(const char* key, double val); + json(const char* key, const char* val); + ~json(); + +public: + bool attach_text(char* json_txt); + void clear(bool as_array = false); + std::string to_string(void); + + std::string& key(void); + bool is_array(void); + bool is_leaf_node(void); // whether this object is a leaf node contains final value + bool get_value(const char* key, bool& val); + bool get_value(const char* key, int& val); + bool get_value(const char* key, double& val); + bool get_value(const char* key, std::string& val); + bool get_value(const char* key, json*& val); + + size_t children(void); // return children count if was object or array, or else -1 returned + json* child(size_t ind); + json* first_child(void); + json* next_child(void); + + // change the item matched 'key', or else add a new item + bool set_value(const char* key, bool val); + bool set_value(const char* key, int val); + bool set_value(const char* key, double val); + bool set_value(const char* key, std::string val); + bool set_value(const char* key, json* val); + + // operator+= only for array + json& operator+=(bool val); + json& operator+=(int val); + json& operator+=(double val); + json& operator+=(const char* val); + json& operator+=(json* val); + + // remove item + json& operator-=(int ind); + bool remove(const char* key); + bool remove(json* child); + bool remove(int ind); + + // position management + int index(json* child); + int index_move_to(json* child, int ind); + + // leaf node value ... + bool value(bool& val); + bool value(int& val); + bool value(double& val); + bool value(std::string& val); + json& operator=(bool val); + json& operator=(int val); + json& operator=(double val); + json& operator=(const char* val); +}; diff --git a/scanner/main/scanner.cpp b/scanner/main/scanner.cpp index 5564032..bc89953 100644 --- a/scanner/main/scanner.cpp +++ b/scanner/main/scanner.cpp @@ -3,6 +3,7 @@ #include "../../common/log_util.h" #include "../../common/ipc_wrapper.h" +#include "../../common/json/json.h" #include "../img_collector/img_collector.h" #include "../img_process/img_process.h" #include "../res_monitor/res_monitor.h" @@ -117,7 +118,60 @@ int32_t scanner::dispatch_ipc_message(LPPACK_BASE pack) } else if (pack->cmd == PACK_CMD_SETTING_GET) { + size_t len = 0; + char *buf = nullptr; + json *cis = nullptr, *proc = nullptr; + int ret = 0; + std::string cfg(""); + if (img_src_->get_config(buf, &len) == ENOMEM) + { + buf = new char[len + 4]; + if (img_src_->get_config(buf, &len) == 0) + { + cis = new json(buf); + } + } + ret = img_proc_->get_config(buf, &len); + if(ret == ENOMEM) + { + if (buf) + delete[] buf; + buf = new char[len + 4]; + ret = img_proc_->get_config(buf, &len); + } + if (ret == 0) + { + proc = new json(buf); + if (cis) + { + json* child = cis->first_child(); + while (child) + { + proc->set_value(child->key().c_str(), child); + child->release(); + child = cis->next_child(); + } + cis->release(); + } + cfg = proc->to_string(); + proc->release(); + } + else if (cis) + { + cfg = cis->to_string(); + cis->release(); + } + if (buf) + delete[] buf; + + PACK_BASE reply(*pack); + reply.result = cfg.empty() ? ENOENT : 0; + reply.thunk = 0; + reply.total_bytes = cfg.length(); + cfg.insert(0, std::string((char*)&reply, sizeof(reply))); + len = cfg.length(); + ipc_->write(cfg.c_str(), &len, false); } else if (pack->cmd == PACK_CMD_SETTING_GET_CUR) { @@ -362,6 +416,8 @@ int32_t scanner::on_event(int32_t ev, void* data, size_t data_len) case SCANNER_EVENT_COLLECTOR_STOPPED: status_ = data_len ? (scanner_status)data_len : SCANNER_STATUS_READY; break; + case SCANNER_EVENT_IMAGE_PROC_OK: + break; case SCANNER_EVENT_RESOURCE_LOW_MEM: case SCANNER_EVENT_RESOURCE_HIGH_CPU: if (*(bool*)data) // low mem or high cpu