cjson 读写文件
/*
* @file: alert_config.c
* @brief:
* @version: 0.0
* @author:
* @date: 2019/11/20
*/
/******************************************************************************
@note
Copyright 2019, Megvii Corporation, Limited
ALL RIGHTS RESERVED
******************************************************************************/
#include
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/************************** C FUNC **************************/
#ifdef __cplusplus
extern "C" {
#endif //@__cplusplus
#ifndef PI
#define PI acos(-1)
#endif
#define MAX_NAMELENGTH_ALERT_RULE 16
#define MAX_ITEMS_PER_ALERTTYPE 5
#define MAX_SIDES_OF_ALERTAREA 10
#define MAX_HUMANBODY_IN_ONE_IMAGE 16
#define MAX_HISTORY_ONE_TRAKER_ALERT 10
#define MAX_MISS_ONE_TRAKER_ALERT 15
#define MIN_MAJOR_TRAKER_ALERT 3
#define MAX_NORMAL_VECTOR_LINE_LEN_ALERT 96
#define MAX_NORMAL_VECTOR_LINE_DIR_LEN_ALERT 24
#ifndef uint8_t
#define uint8_t unsigned char
#endif
enum{
ALERT_NORMAL = 0,
ALERT_TRIPWIRE_INTRUSION=1<<0,
ALERT_AREA_INVASION = 1<<1,
ALERT_AREA_LEAVE = 1<<2,
ALERT_AREA_ENTER = 1<<3,
ALERT_CLIMBWALL = 1<<4,
};
enum{
ALERT_DIRECT_NONE = 0,
ALERT_DIRECT_ALONG_NORMAL = 1<<0 ,
ALERT_DIRECT_REVERSE_NORMAL = 1<<1,
ALERT_DIRECT_UNKOWN = 1<<2,
};
enum {
ALERT_FOOTRECT_CROSSLINE = 1<<0, // for tripwire
ALERT_FOOTRECT_PARTIN = 1<<1,
ALERT_FOOTRECT_ALLPOINT_IN = 1<<2,
ALERT_FOOTRECT_CLIMBWALL_FIRSTLINE_CROSS = 1<<3, // for climbWall
ALERT_FOOTRECT_CLIMBWALL_SECONDLINE_CROSS = 1<<4,//for climbWall
ALERT_FOOTRECT_ENTER = 1<<5, //only for area enter record state
};
enum ALERT_TRIPWIRE_DIRECT_STATE{
ALERT_TRIPWIRE_DIRECT_ENTER_STATE = 1 <<0,//for first time the vector is the same director with normal vector
ALERT_TRIPWIRE_DIRECT_STOP_STATE = 1 <<1,//for second time the vector is the same director with normal vector, will trigger alert msg
};
typedef struct _Point
{
int x;
int y;
}Point;
//structure for tripwire configuration
typedef struct _alert_tripWire_conf
{
char name[MAX_NAMELENGTH_ALERT_RULE];
int timeStamp;//unused, reserved for furture
Point warning[2];
int direct;//0:bi-direction; 90:anticlockwise PI/2 corresponding to tripwire; -90:clockwise PI/2 corresponding to tripwire;
int xmin;//the min x of two points of tripwire terminal, for calculating the intersection of tripwire and foot rect.
int xmax;//the purpose is same as xmin
int ymin;//the purpose is same as xmin
int ymax;//the purpose is same as xmin
}alert_tripWire_conf;
//structure for climbWall configuration
typedef struct _alert_climbWall_conf
{
char name[MAX_NAMELENGTH_ALERT_RULE];
alert_tripWire_conf tripWire[2];//two lines for climbWall; see guide for detail
}alert_climbWall_conf;
//structure for area configuration, area invasion , area leave , and so on.
typedef struct _alert_area_conf
{
char name[MAX_NAMELENGTH_ALERT_RULE];
int timeStamp;//unused, reserved for furture
int sidesNum;//number of sides in polygon
Point sides[MAX_SIDES_OF_ALERTAREA];//the corners points of polygon
}alert_area_conf;
//total alert configuration
typedef struct _alert_conf
{
float ValidBoxRatio;//the ratio of body rect to get footrect
int StopDuration;//the during frame for judging if or not sending alert
float areaOverlapRatio;//the ratio threshold of overlap area-size to the footrect
int climbWallNum;//the number of climbWall configuration items
int TripWireNum;//the number of tripwire configuration items
int areaInvasionNum;//the number of area-invasion configuration items
int areaLeaveNum;//the number of area-leave configuration items
int areaEnterNum;//unused, for furture extension
alert_climbWall_conf climbWall[MAX_ITEMS_PER_ALERTTYPE];//items of climbWall configuration
alert_tripWire_conf TripWire[MAX_ITEMS_PER_ALERTTYPE];//items of tripwire configuration
alert_area_conf areaInvasion[MAX_ITEMS_PER_ALERTTYPE];//items of areainvasion configuration
alert_area_conf areaLeave[MAX_ITEMS_PER_ALERTTYPE];//items of arealeave configuration
alert_area_conf areaEnter[MAX_ITEMS_PER_ALERTTYPE];//unused, for furture extension
}alert_conf;
static alert_conf alertConf;//global alert configuration variable
//get config from alert_conf.json
int alert_conf_parse_from_buf(char *confPath)
{
alert_conf *pAlertConf = &alertConf;
std::ifstream infile;
int length;
infile.open(confPath); // open input file
infile.seekg(0, std::ios::end); // go to the end
length = infile.tellg(); // report location (this is the length)
infile.seekg(0, std::ios::beg); // go back to the beginning
char *pbuf = new char[length]; // allocate memory for a buffer of appropriate dimension
infile.read((char*)pbuf, length); // read the whole file into the buffer
infile.close(); // close file handle
cJSON *pJsonTop;
pJsonTop = cJSON_Parse(pbuf);
if(NULL == pJsonTop)
{
printf("%s(%d):%s\n", __FILE__, __LINE__, confPath );
printf("%s\n", pbuf);
return 1;
}
delete []pbuf;
cJSON *pJsonSub = pJsonTop->child;
while(pJsonSub)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonSub->string);
if(strcmp(pJsonSub->string, "climbWall") == 0)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonSub->string);
cJSON *pJsonItem = pJsonSub->child;
while(pJsonItem)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonItem->string);
cJSON *pJsonOneLine = pJsonItem->child;
while(pJsonOneLine)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonOneLine->string);
cJSON *pJsonOnePoint = pJsonOneLine->child;
while(pJsonOnePoint)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonOnePoint->string);
cJSON *pJsonOneAxis = pJsonOnePoint->child;
while(pJsonOneAxis)
{
printf("%s(%d): %s, value %d\n", __FILE__, __LINE__,
pJsonOneAxis->string, pJsonOneAxis->valueint);
pJsonOneAxis = pJsonOneAxis->next;
}
pJsonOnePoint= pJsonOnePoint->next;
}
pJsonOneLine = pJsonOneLine->next;
}
pJsonItem = pJsonItem->next;
}
}
if(strcmp(pJsonSub->string, "TripWire") == 0)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonSub->string);
cJSON *pJsonItem = pJsonSub->child;
while(pJsonItem)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonItem->string);
cJSON *pJsonOneAttr= pJsonItem->child;
while(pJsonOneAttr)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonOneAttr->string);
if(strcmp(pJsonOneAttr->string, "warning") == 0)
{
cJSON *pJsonOnePoint = pJsonOneAttr->child;
while(pJsonOnePoint)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonOnePoint->string);
cJSON *pJsonOneAxis = pJsonOnePoint->child;
while(pJsonOneAxis)
{
printf("%s(%d): %s, value %d\n", __FILE__, __LINE__,
pJsonOneAxis->string, pJsonOneAxis->valueint);
pJsonOneAxis = pJsonOneAxis->next;
}
pJsonOnePoint= pJsonOnePoint->next;
}
}
pJsonOneAttr = pJsonOneAttr->next;
}
pJsonItem = pJsonItem->next;
}
}
if(strcmp(pJsonSub->string, "areaInvasion") == 0)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonSub->string);
cJSON *pJsonItem = pJsonSub->child;
while(pJsonItem)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonItem->string);
cJSON *pJsonOneAttr= pJsonItem->child;
while(pJsonOneAttr)
{
printf("%s(%d): %s\n", __FILE__, __LINE__, pJsonOneAttr->string);
if(strcmp(pJsonOneAttr->string, "sidesNum") == 0)
{
printf("%s(%d): %s, sidesNum %d\n", __FILE__, __LINE__, pJsonOneAttr->string, pJsonOneAttr->valueint);
}
if(strstr(pJsonOneAttr->string, "p") != 0)
{
cJSON *pJsonOneElem= pJsonOneAttr->child;
while(pJsonOneElem)
{
printf("%s(%d): %s, value %d\n", __FILE__, __LINE__, pJsonOneElem->string, pJsonOneElem->valueint);
pJsonOneElem = pJsonOneElem->next;
}
}
pJsonOneAttr = pJsonOneAttr->next;
}
pJsonItem = pJsonItem->next;
}
}
if(strcmp(pJsonSub->string, "ValidBoxRatio") == 0)
{
printf("%s(%d): %s, %lf\n", __FILE__, __LINE__, pJsonSub->string, pJsonSub->valuedouble);
}
if(strcmp(pJsonSub->string, "StopDuration") == 0)
{
printf("%s(%d): %s, %d\n", __FILE__, __LINE__, pJsonSub->string, pJsonSub->valueint);
}
if(strcmp(pJsonSub->string, "areaOverlapRatio") == 0)
{
printf("%s(%d): %s, %lf\n", __FILE__, __LINE__, pJsonSub->string, pJsonSub->valuedouble);
}
pJsonSub = pJsonSub->next;
}
printf("\n*********************************************\n");
printf("%s", cJSON_Print(pJsonTop));
printf("*********************************************\n");
// delete []pbuf;
return 0;
}
int main(int argc, char** argv)
{
alert_conf_parse_from_buf(argv[1]);
return 0;
}
#ifdef __cplusplus
}
#endif //@__cplusplus