This source file includes following definitions.
- _xdg_mime_alias_list_new
- _xdg_mime_alias_list_free
- alias_entry_cmp
- _xdg_mime_alias_list_lookup
- _xdg_mime_alias_read_from_file
- _xdg_mime_alias_list_dump
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "xdgmimealias.h"
#include "xdgmimeint.h"
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <fnmatch.h>
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
typedef struct XdgAlias XdgAlias;
struct XdgAlias
{
char *alias;
char *mime_type;
};
struct XdgAliasList
{
struct XdgAlias *aliases;
int n_aliases;
};
XdgAliasList *
_xdg_mime_alias_list_new (void)
{
XdgAliasList *list;
list = malloc (sizeof (XdgAliasList));
list->aliases = NULL;
list->n_aliases = 0;
return list;
}
void
_xdg_mime_alias_list_free (XdgAliasList *list)
{
int i;
if (list->aliases)
{
for (i = 0; i < list->n_aliases; i++)
{
free (list->aliases[i].alias);
free (list->aliases[i].mime_type);
}
free (list->aliases);
}
free (list);
}
static int
alias_entry_cmp (const void *v1, const void *v2)
{
return strcmp (((XdgAlias *)v1)->alias, ((XdgAlias *)v2)->alias);
}
const char *
_xdg_mime_alias_list_lookup (XdgAliasList *list,
const char *alias)
{
XdgAlias *entry;
XdgAlias key;
if (list->n_aliases > 0)
{
key.alias = (char *)alias;
key.mime_type = NULL;
entry = bsearch (&key, list->aliases, list->n_aliases,
sizeof (XdgAlias), alias_entry_cmp);
if (entry)
return entry->mime_type;
}
return NULL;
}
void
_xdg_mime_alias_read_from_file (XdgAliasList *list,
const char *file_name)
{
FILE *file;
char line[255];
int alloc;
file = fopen (file_name, "r");
if (file == NULL)
return;
alloc = list->n_aliases + 16;
list->aliases = realloc (list->aliases, alloc * sizeof (XdgAlias));
while (fgets (line, 255, file) != NULL)
{
char *sep;
if (line[0] == '#')
continue;
sep = strchr (line, ' ');
if (sep == NULL)
continue;
*(sep++) = '\000';
sep[strlen (sep) -1] = '\000';
if (list->n_aliases == alloc)
{
alloc <<= 1;
list->aliases = realloc (list->aliases,
alloc * sizeof (XdgAlias));
}
list->aliases[list->n_aliases].alias = strdup (line);
list->aliases[list->n_aliases].mime_type = strdup (sep);
list->n_aliases++;
}
list->aliases = realloc (list->aliases,
list->n_aliases * sizeof (XdgAlias));
fclose (file);
if (list->n_aliases > 1)
qsort (list->aliases, list->n_aliases,
sizeof (XdgAlias), alias_entry_cmp);
}
void
_xdg_mime_alias_list_dump (XdgAliasList *list)
{
int i;
if (list->aliases)
{
for (i = 0; i < list->n_aliases; i++)
{
printf ("%s %s\n",
list->aliases[i].alias,
list->aliases[i].mime_type);
}
}
}