两处修复 (simple_parse_json & simple_json_getarray_item):
1. if(y==NULL) strstr(q,"}\n") → if(y==NULL) y = strstr(q,"}\n")
(缺失 y = 导致 strlen(NULL) 崩溃)
2. 新增 if(y==NULL) y = strchr(q, '}')
(JSON 末尾对象值 "data":{...}} 只有 }} 无 }, \r\n 时需兜底)
214 lines
5.2 KiB
C
214 lines
5.2 KiB
C
/*******************************************************
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* File name: simple_json.c
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* Author : wfq
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* Versions : 1.0
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* Description: simple json parse function.
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* Do not solve the completed json_string or string with json-string.
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* Completed: like array.
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* Must satisfy the yipai dev-protocol, and test by yipai dev-protocol.
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* History:
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* 1.Date: 2016-10-10
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* Author: wfq
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* Action: create
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*********************************************************/
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#include "simple_json.h"
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#include <string.h>
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#include <stdio.h>
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void simple_parse_json(const char * data, char *key_str, char *value_str)
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{
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char *p, *q, *t, *y;
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//char * zq; //[ ]
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int len = 0;
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if(data == NULL)
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{
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printf("\r\nsimple_parse_json data is NULL\r\n");
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return;
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}
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if(strlen(value_str) != 0)
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{
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printf("clear value:%s\n", value_str);
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memset(value_str, 0, strlen(value_str));
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}
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p = strstr(data, key_str);
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if(p == NULL) return;
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p += strlen(key_str) + 1;
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// printf("\nmy_parse_json2, first,data:%s\n", p);
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while(*p == ' ')
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{
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p++;
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}
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// printf("\nmy_parse_json2, sec,data:%s\n", p);
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q = strchr(p, '{');
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t = strchr(p, '\"');
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y = strchr(p, ',');
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//zq = strchr(p, '[');
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if((q == NULL) && (t == NULL) && (y == NULL))
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{
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q = strstr(p, "\r\n");
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if(q == NULL) q = strstr(p, "\n");
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if(q == NULL) q = strstr(p, "}");
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if(q == NULL) len = strlen(p);
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else len = strlen(p) - strlen(q);
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memcpy(value_str, p, len);
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return;
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}
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if((q == NULL) || ((t != NULL) && (strlen(t) > strlen(q))))
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{
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if((y != NULL) && (strlen(y) > strlen(t)))
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{
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len = strlen(p) - strlen(y);
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memcpy(value_str, p, len);
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return;
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}
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else
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{
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t += 1;
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q = strstr(t, "\",");
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if(q == NULL)
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{
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q = strstr(t, "\"\r\n");
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if(q == NULL)
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{
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q = strstr(t, "\"\n");
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if(q == NULL)
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{
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q = strstr(t, "\"");
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}
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}
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}
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len = strlen(t) - strlen(q);
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memcpy(value_str, t, len);
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}
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}
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else
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{
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q += 1;
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y = strstr(q, "},");
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if(y == NULL)
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{
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y = strstr(q, "}\r\n");
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if(y == NULL) y = strstr(q, "}\n");
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if(y == NULL) y = strchr(q, '}');
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}
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len = strlen(q) - strlen(y);
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memcpy(value_str, q, len);
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return;
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}
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}
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char * simpleJsonGetObject(const char * data, const char * key)
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{
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if(data == NULL)
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{
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return NULL;
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}
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return NULL;
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}
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void simple_json_getarray_item(const char * data, char *key_str, char *value_str)
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{
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char *p, *q, *t, *y;
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//char * zq; //[ ]
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int len = 0;
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if(data == NULL)
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{
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printf("\r\nsimple_parse_json data is NULL\r\n");
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return;
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}
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if(strlen(value_str) != 0)
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{
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printf("clear value:%s\n", value_str);
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memset(value_str, 0, strlen(value_str));
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}
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p = strstr(data, key_str);
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if(p == NULL) return;
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p += strlen(key_str) + 1;
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// printf("\nmy_parse_json2, first,data:%s\n", p);
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while(*p == ' ')
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{
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p++;
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}
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// printf("\nmy_parse_json2, sec,data:%s\n", p);
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q = strchr(p, '{');
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t = strchr(p, '\"');
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y = strchr(p, ',');
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//zq = strchr(p, '[');
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if((q == NULL) && (t == NULL) && (y == NULL))
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{
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q = strstr(p, "\r\n");
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if(q == NULL) q = strstr(p, "\n");
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if(q == NULL) q = strstr(p, "}");
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if(q == NULL) len = strlen(p);
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else len = strlen(p) - strlen(q);
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memcpy(value_str, p, len);
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return;
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}
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if((q == NULL) || ((t != NULL) && (strlen(t) > strlen(q))))
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{
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if((y != NULL) && (strlen(y) > strlen(t)))
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{
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len = strlen(p) - strlen(y);
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memcpy(value_str, p, len);
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return;
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}
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else
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{
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t += 1;
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q = strstr(t, "\",");
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if(q == NULL)
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{
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q = strstr(t, "\"\r\n");
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if(q == NULL)
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{
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q = strstr(t, "\"\n");
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if(q == NULL)
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{
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q = strstr(t, "\"");
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}
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}
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}
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len = strlen(t) - strlen(q);
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memcpy(value_str, t, len);
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}
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}
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else
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{
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q += 1;
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y = strstr(q, "},");
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if(y == NULL)
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{
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y = strstr(q, "}\r\n");
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if(y == NULL) y = strstr(q, "}\n");
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if(y == NULL) y = strchr(q, '}');
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}
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len = strlen(q) - strlen(y);
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memcpy(value_str, q, len);
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return;
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}
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}
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