xdgmimeparent.c File Reference

Go to the source code of this file.

Data Structures
struct	XdgMimeParents
struct	XdgParentList

Typedefs
typedef struct XdgMimeParents	XdgMimeParents

Functions
XdgParentList *	_xdg_mime_parent_list_new (void)
void	_xdg_mime_parent_list_free (XdgParentList *list)
const char **	_xdg_mime_parent_list_lookup (XdgParentList *list, const char *mime)
void	_xdg_mime_parent_read_from_file (XdgParentList *list, const char *file_name)
void	_xdg_mime_parent_list_dump (XdgParentList *list)

Typedef Documentation

XdgMimeParents

typedef struct XdgMimeParents XdgMimeParents

Definition at line 48 of file xdgmimeparent.c.

Function Documentation

_xdg_mime_parent_list_dump()

void _xdg_mime_parent_list_dump

(

XdgParentList *

list

)

Definition at line 204 of file xdgmimeparent.c.

{
  int i;
  char **p;
 
  if (list->parents)
    {
      for (i = 0; i < list->n_mimes; i++)
    {
      for (p = list->parents[i].parents; *p; p++)
        printf ("%s %s\n", list->parents[i].mime, *p);
    }
    }
}

References XdgMimeParents::mime, XdgParentList::n_mimes, XdgMimeParents::parents, and XdgParentList::parents.

Referenced by xdg_mime_dump().

_xdg_mime_parent_list_free()

void _xdg_mime_parent_list_free

(

XdgParentList *

list

)

Definition at line 77 of file xdgmimeparent.c.

{
  int i;
  char **p;
 
  if (list->parents)
    {
      for (i = 0; i < list->n_mimes; i++)
    {
      for (p = list->parents[i].parents; *p; p++)
        free (*p);
 
      free (list->parents[i].parents);
      free (list->parents[i].mime);
    }
      free (list->parents);
    }
  free (list);
}

References XdgMimeParents::mime, XdgParentList::n_mimes, XdgMimeParents::parents, and XdgParentList::parents.

Referenced by xdg_mime_shutdown().

_xdg_mime_parent_list_lookup()

const char ** _xdg_mime_parent_list_lookup	(	XdgParentList *	list,
		const char *	mime
	)

Definition at line 104 of file xdgmimeparent.c.

{
  XdgMimeParents *entry;
  XdgMimeParents key;
 
  if (list->n_mimes > 0)
    {
      key.mime = (char *)mime;
      key.parents = NULL;
 
      entry = bsearch (&key, list->parents, list->n_mimes,
               sizeof (XdgMimeParents), &parent_entry_cmp);
      if (entry)
        return (const char **)entry->parents;
    }
 
  return NULL;
}

References XdgMimeParents::mime, XdgParentList::n_mimes, XdgMimeParents::parents, and XdgParentList::parents.

Referenced by _xdg_mime_mime_type_subclass(), and xdg_mime_get_mime_parents().

_xdg_mime_parent_list_new()

XdgParentList * _xdg_mime_parent_list_new

(

void

)

Definition at line 64 of file xdgmimeparent.c.

{
  XdgParentList *list;
 
  list = malloc (sizeof (XdgParentList));
 
  list->parents = NULL;
  list->n_mimes = 0;
 
  return list;
}

References XdgParentList::n_mimes, and XdgParentList::parents.

_xdg_mime_parent_read_from_file()

void _xdg_mime_parent_read_from_file	(	XdgParentList *	list,
		const char *	file_name
	)

Definition at line 125 of file xdgmimeparent.c.

{
  FILE *file;
  char line[255];
  int i, alloc;
  XdgMimeParents *entry;
 
  file = fopen (file_name, "r");
 
  if (file == NULL)
    return;
 
  /* FIXME: Not UTF-8 safe.  Doesn't work if lines are greater than 255 chars.
   * Blah */
  alloc = list->n_mimes + 16;
  list->parents = realloc (list->parents, alloc * sizeof (XdgMimeParents));
  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';
      entry = NULL;
      for (i = 0; i < list->n_mimes; i++)
    {
      if (strcmp (list->parents[i].mime, line) == 0)
        {
          entry = &(list->parents[i]);
          break;
        }
    }
      
      if (!entry)
    {
      if (list->n_mimes == alloc)
        {
          alloc <<= 1;
          list->parents = realloc (list->parents, 
                       alloc * sizeof (XdgMimeParents));
        }
      list->parents[list->n_mimes].mime = strdup (line);
      list->parents[list->n_mimes].parents = NULL;
      entry = &(list->parents[list->n_mimes]);
      list->n_mimes++;
    }
 
      if (!entry->parents)
    {
      entry->n_parents = 1;
      entry->parents = malloc ((entry->n_parents + 1) * sizeof (char *));
    }
      else
    {
      entry->n_parents += 1;
      entry->parents = realloc (entry->parents, 
                    (entry->n_parents + 2) * sizeof (char *));
    }
      entry->parents[entry->n_parents - 1] = strdup (sep);
      entry->parents[entry->n_parents] = NULL;
    }
 
  list->parents = realloc (list->parents, 
               list->n_mimes * sizeof (XdgMimeParents));
 
  fclose (file);  
  
  if (list->n_mimes > 1)
    qsort (list->parents, list->n_mimes, 
           sizeof (XdgMimeParents), &parent_entry_cmp);
}

References XdgMimeParents::mime, XdgParentList::n_mimes, XdgMimeParents::n_parents, XdgMimeParents::parents, and XdgParentList::parents.