Picklock_RCM/source/config/ini.c

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/*
* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2020 CTCaer
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*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "ini.h"
#include "../libs/fatfs/ff.h"
#include "../mem/heap.h"
#include "../utils/dirlist.h"
static char *_strdup(char *str)
{
if (!str)
return NULL;
// Remove starting space.
if (str[0] == ' ' && strlen(str))
str++;
char *res = (char *)malloc(strlen(str) + 1);
strcpy(res, str);
// Remove trailing space.
if (strlen(res) && res[strlen(res) - 1] == ' ')
res[strlen(res) - 1] = 0;
return res;
}
u32 _find_section_name(char *lbuf, u32 lblen, char schar)
{
u32 i;
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// Depends on 'FF_USE_STRFUNC 2' that removes \r.
for (i = 0; i < lblen && lbuf[i] != schar && lbuf[i] != '\n'; i++)
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;
lbuf[i] = 0;
return i;
}
ini_sec_t *_ini_create_section(link_t *dst, ini_sec_t *csec, char *name, u8 type)
{
if (csec)
{
list_append(dst, &csec->link);
csec = NULL;
}
csec = (ini_sec_t *)malloc(sizeof(ini_sec_t));
csec->name = _strdup(name);
csec->type = type;
return csec;
}
int ini_parse(link_t *dst, char *ini_path, bool is_dir)
{
u32 lblen;
u32 pathlen = strlen(ini_path);
u32 k = 0;
char lbuf[512];
char *filelist = NULL;
FIL fp;
ini_sec_t *csec = NULL;
char *filename = (char *)malloc(256);
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strcpy(filename, ini_path);
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// Get all ini filenames.
if (is_dir)
{
filelist = dirlist(filename, "*.ini", false);
if (!filelist)
{
free(filename);
return 0;
}
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strcpy(filename + pathlen, "/");
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pathlen++;
}
do
{
// Copy ini filename in path string.
if (is_dir)
{
if (filelist[k * 256])
{
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strcpy(filename + pathlen, &filelist[k * 256]);
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k++;
}
else
break;
}
// Open ini.
if (f_open(&fp, filename, FA_READ) != FR_OK)
{
free(filelist);
free(filename);
return 0;
}
do
{
// Fetch one line.
lbuf[0] = 0;
f_gets(lbuf, 512, &fp);
lblen = strlen(lbuf);
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// Remove trailing newline. Depends on 'FF_USE_STRFUNC 2' that removes \r.
if (lblen && lbuf[lblen - 1] == '\n')
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lbuf[lblen - 1] = 0;
if (lblen > 2 && lbuf[0] == '[') // Create new section.
{
_find_section_name(lbuf, lblen, ']');
csec = _ini_create_section(dst, csec, &lbuf[1], INI_CHOICE);
list_init(&csec->kvs);
}
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else if (lblen > 1 && lbuf[0] == '{') // Create new caption. Support empty caption '{}'.
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{
_find_section_name(lbuf, lblen, '}');
csec = _ini_create_section(dst, csec, &lbuf[1], INI_CAPTION);
csec->color = 0xFF0AB9E6;
}
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else if (lblen > 2 && lbuf[0] == '#') // Create comment.
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{
csec = _ini_create_section(dst, csec, &lbuf[1], INI_COMMENT);
}
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else if (lblen < 2) // Create empty line.
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{
csec = _ini_create_section(dst, csec, NULL, INI_NEWLINE);
}
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else if (csec && csec->type == INI_CHOICE) // Extract key/value.
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{
u32 i = _find_section_name(lbuf, lblen, '=');
ini_kv_t *kv = (ini_kv_t *)malloc(sizeof(ini_kv_t));
kv->key = _strdup(&lbuf[0]);
kv->val = _strdup(&lbuf[i + 1]);
list_append(&csec->kvs, &kv->link);
}
} while (!f_eof(&fp));
f_close(&fp);
if (csec)
{
list_append(dst, &csec->link);
if (is_dir)
csec = NULL;
}
} while (is_dir);
free(filename);
free(filelist);
return 1;
}
char *ini_check_payload_section(ini_sec_t *cfg)
{
if (cfg == NULL)
return NULL;
LIST_FOREACH_ENTRY(ini_kv_t, kv, &cfg->kvs, link)
{
if (!strcmp("payload", kv->key))
return kv->val;
}
return NULL;
}