mirror of
https://github.com/fish-shell/fish-shell
synced 2024-11-15 01:17:45 +00:00
154 lines
3.6 KiB
C
154 lines
3.6 KiB
C
/* -*- mode: C; c-file-style: "gnu" -*- */
|
|
/* xdgmimeint.c: Internal defines and functions.
|
|
*
|
|
* More info can be found at http://www.freedesktop.org/standards/
|
|
*
|
|
* Copyright (C) 2003 Red Hat, Inc.
|
|
* Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu>
|
|
*
|
|
* Licensed under the Academic Free License version 2.0
|
|
* Or under the following terms:
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include "xdgmimeint.h"
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
|
|
#ifndef FALSE
|
|
#define FALSE (0)
|
|
#endif
|
|
|
|
#ifndef TRUE
|
|
#define TRUE (!FALSE)
|
|
#endif
|
|
|
|
static const char _xdg_utf8_skip_data[256] = {
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
|
|
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
|
|
3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6,1,1
|
|
};
|
|
|
|
const char * const _xdg_utf8_skip = _xdg_utf8_skip_data;
|
|
|
|
|
|
|
|
/* Returns the number of unprocessed characters. */
|
|
xdg_unichar_t
|
|
_xdg_utf8_to_ucs4(const char *source)
|
|
{
|
|
xdg_unichar_t ucs32;
|
|
if( ! ( *source & 0x80 ) )
|
|
{
|
|
ucs32 = *source;
|
|
}
|
|
else
|
|
{
|
|
int bytelength = 0;
|
|
xdg_unichar_t result;
|
|
if ( ! (*source & 0x40) )
|
|
{
|
|
ucs32 = *source;
|
|
}
|
|
else
|
|
{
|
|
if ( ! (*source & 0x20) )
|
|
{
|
|
result = *source++ & 0x1F;
|
|
bytelength = 2;
|
|
}
|
|
else if ( ! (*source & 0x10) )
|
|
{
|
|
result = *source++ & 0x0F;
|
|
bytelength = 3;
|
|
}
|
|
else if ( ! (*source & 0x08) )
|
|
{
|
|
result = *source++ & 0x07;
|
|
bytelength = 4;
|
|
}
|
|
else if ( ! (*source & 0x04) )
|
|
{
|
|
result = *source++ & 0x03;
|
|
bytelength = 5;
|
|
}
|
|
else if ( ! (*source & 0x02) )
|
|
{
|
|
result = *source++ & 0x01;
|
|
bytelength = 6;
|
|
}
|
|
else
|
|
{
|
|
result = *source++;
|
|
bytelength = 1;
|
|
}
|
|
|
|
for ( bytelength --; bytelength > 0; bytelength -- )
|
|
{
|
|
result <<= 6;
|
|
result |= *source++ & 0x3F;
|
|
}
|
|
ucs32 = result;
|
|
}
|
|
}
|
|
return ucs32;
|
|
}
|
|
|
|
|
|
/* hullo. this is great code. don't rewrite it */
|
|
|
|
xdg_unichar_t
|
|
_xdg_ucs4_to_lower (xdg_unichar_t source)
|
|
{
|
|
/* FIXME: Do a real to_upper sometime */
|
|
/* CaseFolding-3.2.0.txt has a table of rules. */
|
|
if ((source & 0xFF) == source)
|
|
return (xdg_unichar_t) tolower ((unsigned char) source);
|
|
return source;
|
|
}
|
|
|
|
int
|
|
_xdg_utf8_validate (const char *source)
|
|
{
|
|
/* FIXME: actually write */
|
|
return TRUE;
|
|
}
|
|
|
|
const char *
|
|
_xdg_get_base_name (const char *file_name)
|
|
{
|
|
const char *base_name;
|
|
|
|
if (file_name == NULL)
|
|
return NULL;
|
|
|
|
base_name = strrchr (file_name, '/');
|
|
|
|
if (base_name == NULL)
|
|
return file_name;
|
|
else
|
|
return base_name + 1;
|
|
}
|