xdgmimemagic.c File Reference

Go to the source code of this file.

Data Structures
struct	XdgMimeMagicMatch
struct	XdgMimeMagicMatchlet
struct	XdgMimeMagic

Typedefs
typedef struct XdgMimeMagicMatch	XdgMimeMagicMatch
typedef struct XdgMimeMagicMatchlet	XdgMimeMagicMatchlet

Enumerations
enum	XdgMimeMagicState { XDG_MIME_MAGIC_SECTION , XDG_MIME_MAGIC_MAGIC , XDG_MIME_MAGIC_ERROR , XDG_MIME_MAGIC_EOF }

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

Typedef Documentation

XdgMimeMagicMatch

typedef struct XdgMimeMagicMatch XdgMimeMagicMatch

Definition at line 54 of file xdgmimemagic.c.

XdgMimeMagicMatchlet

typedef struct XdgMimeMagicMatchlet XdgMimeMagicMatchlet

Definition at line 55 of file xdgmimemagic.c.

Enumeration Type Documentation

XdgMimeMagicState

enum XdgMimeMagicState

Enumerator
XDG_MIME_MAGIC_SECTION
XDG_MIME_MAGIC_MAGIC
XDG_MIME_MAGIC_ERROR
XDG_MIME_MAGIC_EOF

Definition at line 57 of file xdgmimemagic.c.

{
  XDG_MIME_MAGIC_SECTION,
  XDG_MIME_MAGIC_MAGIC,
  XDG_MIME_MAGIC_ERROR,
  XDG_MIME_MAGIC_EOF
} XdgMimeMagicState;

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);
}