107 lines
2.0 KiB
C
107 lines
2.0 KiB
C
|
#include <linux/limits.h>
|
||
|
|
#include <dirent.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include "util.h"
|
||
|
|
#include "docs.h"
|
||
|
|
|
||
|
|
#define DOCS_LANG_CODE_LEN 2
|
||
|
|
|
||
|
|
bool __docs_parse_name(docs_t *docs, char *ext) {
|
||
|
|
// check the extension
|
||
|
|
uint64_t ext_pos = util_endswith(docs->name, ext);
|
||
|
|
|
||
|
|
if (ext_pos == 0)
|
||
|
|
return false;
|
||
|
|
|
||
|
|
// example.en.json\0 => example.en\0json\0
|
||
|
|
docs->name[ext_pos] = 0;
|
||
|
|
|
||
|
|
// example.en\0json\0
|
||
|
|
// |
|
||
|
|
// `--- find this
|
||
|
|
for (docs->lang = docs->name; *docs->lang != 0 && *docs->lang != '.'; docs->lang++)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if (*docs->lang != '.')
|
||
|
|
return false;
|
||
|
|
|
||
|
|
// example.en\0json\0 => example.en\0json\0
|
||
|
|
*docs->lang++ = 0;
|
||
|
|
|
||
|
|
// example\0en\0json
|
||
|
|
// | | |
|
||
|
|
// | | `--- ext_pos
|
||
|
|
// | `-- lang
|
||
|
|
// `-- name
|
||
|
|
return strlen(docs->lang) == DOCS_LANG_CODE_LEN && *docs->name != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void __docs_clean(docs_t *docs) {
|
||
|
|
if (NULL == docs->file)
|
||
|
|
return;
|
||
|
|
|
||
|
|
util_file_free(docs->file);
|
||
|
|
docs->file = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool docs_init(docs_t *docs, char *dir) {
|
||
|
|
if (NULL == docs || NULL == dir) {
|
||
|
|
errno = EINVAL;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
bzero(docs, sizeof(*docs));
|
||
|
|
return NULL != (docs->dir = opendir(dir));
|
||
|
|
}
|
||
|
|
|
||
|
|
char *docs_next(docs_t *docs, char *name, bool content) {
|
||
|
|
if (NULL == docs) {
|
||
|
|
errno = EINVAL;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct dirent *ent = NULL;
|
||
|
|
__docs_clean(docs);
|
||
|
|
|
||
|
|
while (NULL != (ent = readdir(docs->dir))) {
|
||
|
|
if (*ent->d_name == '.')
|
||
|
|
continue;
|
||
|
|
|
||
|
|
strcpy(docs->name, ent->d_name);
|
||
|
|
|
||
|
|
if (!__docs_parse_name(docs, content ? ".md" : ".json"))
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if (NULL == name || strncmp(docs->name, name, NAME_MAX) == 0)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (NULL == ent) {
|
||
|
|
errno = ENOENT;
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (NULL == (docs->file = util_file_load(dirfd(docs->dir), ent->d_name)))
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
return docs->file->content;
|
||
|
|
}
|
||
|
|
|
||
|
|
void docs_reset(docs_t *docs) {
|
||
|
|
if (NULL != docs)
|
||
|
|
rewinddir(docs->dir);
|
||
|
|
}
|
||
|
|
|
||
|
|
void docs_free(docs_t *docs) {
|
||
|
|
if (NULL == docs)
|
||
|
|
return;
|
||
|
|
|
||
|
|
__docs_clean(docs);
|
||
|
|
closedir(docs->dir);
|
||
|
|
|
||
|
|
bzero(docs, sizeof(*docs));
|
||
|
|
}
|