xdgmimemagic.h File Reference

Go to the source code of this file.

Typedefs
typedef struct XdgMimeMagic	XdgMimeMagic

Functions
XdgMimeMagic *	_xdg_mime_magic_new (void)
void	_xdg_mime_magic_read_from_file (XdgMimeMagic *mime_magic, const char *file_name)
void	_xdg_mime_magic_free (XdgMimeMagic *mime_magic)
int	_xdg_mime_magic_get_buffer_extents (XdgMimeMagic *mime_magic)
const char *	_xdg_mime_magic_lookup_data (XdgMimeMagic *mime_magic, const void *data, size_t len, int *result_prio, const char *mime_types[], int n_mime_types)

Typedef Documentation

XdgMimeMagic

typedef struct XdgMimeMagic XdgMimeMagic

Definition at line 33 of file xdgmimemagic.h.

Function Documentation

_xdg_mime_magic_free()

void _xdg_mime_magic_free

(

XdgMimeMagic *

mime_magic

)

Definition at line 644 of file xdgmimemagic.c.

{
  if (mime_magic) {
    _xdg_mime_magic_match_free (mime_magic->match_list);
    free (mime_magic);
  }
}

References XdgMimeMagic::match_list.

Referenced by xdg_mime_shutdown().

_xdg_mime_magic_get_buffer_extents()

int _xdg_mime_magic_get_buffer_extents

(

XdgMimeMagic *

mime_magic

)

Definition at line 653 of file xdgmimemagic.c.

{
  return mime_magic->max_extent;
}

References XdgMimeMagic::max_extent.

Referenced by xdg_mime_get_max_buffer_extents(), and xdg_mime_get_mime_type_for_file().

_xdg_mime_magic_lookup_data()

const char * _xdg_mime_magic_lookup_data	(	XdgMimeMagic *	mime_magic,
		const void *	data,
		size_t	len,
		int *	result_prio,
		const char *	mime_types[],
		int	n_mime_types
	)

Definition at line 659 of file xdgmimemagic.c.

{
  XdgMimeMagicMatch *match;
  const char *mime_type;
  int n;
  int prio;
 
  prio = 0;
  mime_type = NULL;
  for (match = mime_magic->match_list; match; match = match->next)
    {
      if (_xdg_mime_magic_match_compare_to_data (match, data, len))
    {
      prio = match->priority;
      mime_type = match->mime_type;
      break;
    }
      else 
    {
      for (n = 0; n < n_mime_types; n++)
        {
          if (mime_types[n] && 
          _xdg_mime_mime_type_equal (mime_types[n], match->mime_type))
        mime_types[n] = NULL;
        }
    }
    }
 
  if (mime_type == NULL)
    {
      for (n = 0; n < n_mime_types; n++)
    {
      if (mime_types[n])
        mime_type = mime_types[n];
    }
    }
  
  if (result_prio)
    *result_prio = prio;
 
  return mime_type;
}

References _xdg_mime_mime_type_equal(), XdgMimeMagic::match_list, XdgMimeMagicMatch::mime_type, XdgMimeMagicMatch::next, and XdgMimeMagicMatch::priority.

Referenced by xdg_mime_get_mime_type_for_data(), and xdg_mime_get_mime_type_for_file().

_xdg_mime_magic_new()

XdgMimeMagic * _xdg_mime_magic_new

(

void

)

Definition at line 638 of file xdgmimemagic.c.

{
  return calloc (1, sizeof (XdgMimeMagic));
}

_xdg_mime_magic_read_from_file()

void _xdg_mime_magic_read_from_file	(	XdgMimeMagic *	mime_magic,
		const char *	file_name
	)

Definition at line 798 of file xdgmimemagic.c.

{
  FILE *magic_file;
  char header[12];
 
  magic_file = fopen (file_name, "r");
 
  if (magic_file == NULL)
    return;
 
  if (fread (header, 1, 12, magic_file) == 12)
    {
      if (memcmp ("MIME-Magic\0\n", header, 12) == 0)
        _xdg_mime_magic_read_magic_file (mime_magic, magic_file);
    }
 
  fclose (magic_file);
}