new type CW_TYPE_STRUCT

This commit is contained in:
7u83 2022-08-09 21:45:46 +02:00
parent 14e69d168b
commit 8a1a713c12
3 changed files with 110 additions and 3 deletions

View File

@ -68,6 +68,7 @@ CWSRC=\
cw_type_bool.c\
cw_type_str.c\
cw_type_dword.c\
cw_type_struct.c\
cw_type_ipaddress.c\
cw_type_word.c\
cw_type_sysptr.c\

95
src/cw/cw_type_struct.c Normal file
View File

@ -0,0 +1,95 @@
#include "cw.h"
#include "val.h"
static int read_struct(cw_Cfg_t * cfg,const cw_ValStruct_t * stru, const char *pkey,
const uint8_t * data, int len)
{
char key[CW_KTV_MAX_KEY_LEN];
int pos, i,l;
pos=0; i=0;
while (stru[i].type != NULL){
if(stru[i].position!=-1)
pos=stru[i].position;
if (stru[i].key!=NULL)
sprintf(key,"%s/%s",pkey,stru[i].key);
else
sprintf(key,"%s",pkey);
switch (stru[i].len){
case CW_STRUCT_LEN_BYTE:
/* read len from next byte */
l = cw_get_byte(data+pos);
pos ++;
break;
case CW_STRUCT_LEN_WORD:
/* read len from next word */
l = cw_get_word(data+pos);
pos ++;
break;
case -1:
l = len-pos;
break;
default:
l = stru[i].len;
if (pos+l > len){
l = len-pos;
}
}
l=stru[i].type->read(cfg,key,data+pos,l,stru[i].valguard);
// result = cw_ktv_add(ktv,key,stru[i].type,stru[i].valguard,data+pos,l);
// stru[i].type->to_str(result,dbstr,100);
// cw_dbg(DBG_ELEM_DETAIL, "Read (%d): %s: %s",pos,key,dbstr);
// printf("READ STRUCT (%d): %s: %s\n",pos,key,dbstr);
if (stru[i].len==-1){
///l = result->type->len(result);
}
else {
l = stru[i].len;
}
if(stru[i].position == -1)
pos+=l;
i++;
}
return pos;
}
static int bread(cw_Cfg_t *cfg, const char * key, const uint8_t *src, int len, const void *param)
{
cw_ValStruct_t * stru = (cw_ValStruct_t *) param;
read_struct(cfg,stru,key,src,len);
return 1;
}
const struct cw_Type cw_type_struct = {
"Byte", /* name */
NULL, /* del */
NULL, /* put */
NULL, /* get */
NULL, /* to_str */
NULL, /* from_str */
NULL, /* len */
NULL, /* data */
NULL, /* get_type_name */
NULL,
bread,
NULL
};

View File

@ -8,6 +8,7 @@
#include "mavltypes.h"
#include "bstr.h"
#include "cfg.h"
/**
@ -53,7 +54,7 @@ typedef struct cw_Val cw_Val_t;
/**
* @class cw_Type
* @author 7u83
* @file ktv.h
* @file val.h
* @brief Representation of a cw_Type objetc
*/
struct cw_Type {
@ -90,6 +91,9 @@ struct cw_Type {
const char * (*get_type_name)(cw_Val_t*);
int (*cast)(cw_Val_t *);
int (*read)(cw_Cfg_t *cfg, const char * key, const uint8_t *src, int len, const void * param);
int (*write)(cw_Cfg_t *cfg, const char *key, const uint8_t *dst, const void * param);
};
typedef struct cw_Type cw_Type_t;
@ -117,8 +121,12 @@ typedef struct cw_ValStruct cw_ValStruct_t;
#define CW_KTVSTRUCT_L16 -2
#define CW_KTVSTRUCT_L8 -3
#define CW_STRUCT_LEN_WORD -2
#define CW_STRUCT_LEN_BYTE -3
#define CW_KTVSTRUCT_L8 -2
#define CW_KTVSTRUCT_L16 -3
struct cw_ValEnum{
int value;
@ -152,6 +160,7 @@ extern const struct cw_Type cw_type_str;
extern const struct cw_Type cw_type_ipaddress;
extern const struct cw_Type cw_type_sysptr;
extern const struct cw_Type cw_type_bool;
extern const struct cw_Type cw_type_struct;
#define CW_TYPE_BYTE (&cw_type_byte)
#define CW_TYPE_WORD (&cw_type_word)
@ -162,6 +171,8 @@ extern const struct cw_Type cw_type_bool;
#define CW_TYPE_SYSPTR (&cw_type_sysptr)
#define CW_TYPE_STR (&cw_type_str)
#define CW_TYPE_BOOL (&cw_type_bool)
#define CW_TYPE_STRUCT (&cw_type_struct)
/*
void cw_kvstore_mavl_delete(const void *data);
*/