dev ini base

This commit is contained in:
zzy 2023-11-01 14:14:32 +08:00
parent 2cc3d16113
commit 20f69d5af8
3 changed files with 107 additions and 28 deletions

View File

@ -3,7 +3,7 @@
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "sysenv.h"
#if _OS_WIN
#define strcasecmp _stricmp
@ -43,18 +43,54 @@ static inline INICHAR* _skip_trailing(const INICHAR* str, const INICHAR* base)
return (INICHAR*)str;
}
//static TCHAR* striptrailing(TCHAR* str)
static INICHAR* _strip_trailing(INICHAR* str)
{
INICHAR* ptr = _skip_trailing(strchr(str, '\0'), str);
assert(ptr != NULL);
*ptr = '\0';
return str;
}
//static TCHAR* cleanstring(TCHAR* string, enum quote_option* quotes)
//{
// TCHAR* ptr = skiptrailing(_tcschr(str, '\0'), str);
// assert(ptr != NULL);
// *ptr = '\0';
// return str;
// int isstring;
// TCHAR* ep;
//
// assert(string != NULL);
// assert(quotes != NULL);
//
// /* Remove a trailing comment */
// isstring = 0;
// for (ep = string; *ep != '\0' && ((*ep != ';' && *ep != '#') || isstring); ep++) {
// if (*ep == '"') {
// if (*(ep + 1) == '"')
// ep++; /* skip "" (both quotes) */
// else
// isstring = !isstring; /* single quote, toggle isstring */
// }
// else if (*ep == '\\' && *(ep + 1) == '"') {
// ep++; /* skip \" (both quotes */
// }
// }
// assert(ep != NULL && (*ep == '\0' || *ep == ';' || *ep == '#'));
// *ep = '\0'; /* terminate at a comment */
// striptrailing(string);
// /* Remove double quotes surrounding a value */
// *quotes = QUOTE_NONE;
// if (*string == '"' && (ep = _tcschr(string, '\0')) != NULL && *(ep - 1) == '"') {
// string++;
// *--ep = '\0';
// *quotes = QUOTE_DEQUOTE; /* this is a string, so remove escaped characters */
// }
// return string;
//}
//static inline int _
static int _get_key_string(FILE* fp, const INICHAR* section, const INICHAR* key,
int idx_section, int idx_key, INICHAR* buf, size_t szbuf) {
int len = 0, idx = 0;
INICHAR* start_ptr = NULL, * end_ptr = NULL;
INICHAR* start_ptr, * end_ptr;
INICHAR local_buf[INI_BUFFER_SIZE] = { 0 };
assert(fp != NULL);
@ -63,23 +99,47 @@ static int _get_key_string(FILE* fp, const INICHAR* section, const INICHAR* key,
* parameter Section is NULL, only look at keys above the first section. If
* idxSection is positive, copy the relevant section name.
*/
do {
if (len > 0 || idx_section >= 0) {
assert(idx_section >= 0 || section != NULL);
idx = -1;
do {
if (fgets(local_buf, INI_BUFFER_SIZE, fp)) return 0;
start_ptr = _skip_leading(local_buf);
end_ptr = strrchr(local_buf, ']');
} while (*start_ptr != '[' || end_ptr == NULL);
/* When arrived here, a section was found; now optionally skip leading and
* trailing whitespace.
*/
assert(start_ptr != NULL && *start_ptr == '[');
start_ptr = _skip_leading(start_ptr + 1);
assert(end_ptr != NULL && *end_ptr == ']');
end_ptr = _skip_trailing(end_ptr, start_ptr);
//} while (1);
} while ((int)(end_ptr - start_ptr) == len);
//( ((int)(end_ptr - start_ptr) != len || section == NULL || strncasecmp(start_ptr, section, len) != 0)
do {
if (fgets(local_buf, INI_BUFFER_SIZE, fp) == NULL) return 0;
start_ptr = _skip_leading(local_buf);
end_ptr = strchr(local_buf, ']');
} while (*start_ptr != '[' || end_ptr == NULL);
/* When arrived here, a section was found; now optionally skip leading and
* trailing whitespace.
*/
assert(start_ptr != NULL && *start_ptr == '[');
start_ptr = _skip_leading(start_ptr + 1);
assert(end_ptr != NULL && *end_ptr == ']');
end_ptr = _skip_trailing(end_ptr, start_ptr);
} while (!((int)(end_ptr - start_ptr) == len && section != NULL && strncasecmp(start_ptr, section, len) == 0));
}
/* Now that the section has been found, find the entry.
* Stop searching upon leaving the section's area.
*/
assert(key != NULL || idx_key >= 0);
len = (key != NULL) ? (int)strlen(key) : 0;
idx = -1;
do {
if ((fgets(local_buf, INI_BUFFER_SIZE, fp) == NULL) || *(start_ptr = _skip_leading(local_buf)) == '[')
return 0;
start_ptr = _skip_leading(local_buf);
end_ptr = strchr(start_ptr, '='); /* Parse out the equal sign */
if (end_ptr == NULL)
end_ptr = strchr(start_ptr, ':');
} while (*start_ptr != ';' && *start_ptr != '#' && end_ptr != NULL &&
(!(len != 0 && (int)(_skip_trailing(end_ptr, start_ptr) - start_ptr) == len && strncasecmp(start_ptr, key, len) == 0)));
//&& ++idx != idx_section) );
/* Copy up to BufferSize chars to buffer */
assert(end_ptr != NULL);
assert(*end_ptr == '=' || *end_ptr == ':');
start_ptr = _skip_leading(end_ptr + 1);
//sp = cleanstring(sp, &quotes); /* Remove a trailing comment */
strncpy(buf, start_ptr, szbuf);
return 1;
}
static int ini_get_str(const INICHAR* filename, const INICHAR* section, const INICHAR* key,
@ -88,14 +148,15 @@ static int ini_get_str(const INICHAR* filename, const INICHAR* section, const IN
int res = 0;
if (fp = fopen(filename, "rb")) {
res = getkeystring();
res = _get_key_string(fp, section, key, -1, -1, buf, szbuf);
(void)fclose(fp);
}
if (res == 0) {
res = strncpy(buf, (def_vaule == NULL) ? "" : def_vaule, szbuf);
if (!res) {
strncpy(buf, ((def_vaule == NULL) ? (const char*)"" : def_vaule), szbuf);
}
return res;
return strlen(buf);
}
#ifdef __cplusplus

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@ -1,8 +1,18 @@
#include <iini.h>
#include <llog.h>
//[First]
//String = noot # trailing commment
//Val = 1
//
//[Second]
//Val = 2
//#comment = 3
//String = mies
int main() {
char buf[128] = { 0 };
ini_get_str("../test.ini", "First", "String", "nan", buf, 128);
printf("%s", buf);
if (getchar());
return 0;
}

8
test/ini/test.ini Normal file
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@ -0,0 +1,8 @@
[First]
String=noot # trailing commment
Val=1
[Second]
Val = 2
#comment=3
String = mies