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/*
* Copyright 1999 SuSE, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of SuSE not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. SuSE makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Keith Packard, SuSE, Inc.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "libxfontint.h"
#include "builtin.h"
static BuiltinDirPtr
BuiltinDirsDup (const BuiltinDirPtr a_dirs,
int a_dirs_len)
{
BuiltinDirPtr dirs=NULL ;
int i=0 ;
if (!a_dirs)
return NULL ;
dirs = calloc (a_dirs_len, sizeof (BuiltinDirRec)) ;
if (!dirs)
return NULL ;
for (i=0; i < a_dirs_len; i++) {
dirs[i].file_name = strdup(a_dirs[i].file_name);
dirs[i].font_name = strdup(a_dirs[i].font_name);
}
return dirs ;
}
/**
* Copy a_save back into a_cur
* @param a_cur the instance of BuiltinDir to restore
* @param a_saved the saved instance of BuiltinDir to copy into a_cur
* @return 0 if went okay, 1 otherwise.
*/
static int
BuiltinDirRestore (BuiltinDirPtr a_cur,
const BuiltinDirPtr a_saved)
{
if (!a_cur)
return 1 ;
if (!a_saved)
return 0 ;
if (a_saved->font_name)
memmove (a_cur->font_name, a_saved->font_name, strlen (a_saved->font_name)) ;
return 0 ;
}
static int
BuiltinDirsRestore (BuiltinDirPtr a_cur_tab,
const BuiltinDirPtr a_saved_tab,
int a_tab_len)
{
int i=0 ;
if (!a_cur_tab)
return 1 ;
if (!a_saved_tab)
return 0 ;
for (i=0 ; i < a_tab_len; i++) {
if (BuiltinDirRestore (&a_cur_tab[i], &a_saved_tab[i]))
return 1 ;
}
return 0 ;
}
static BuiltinAliasPtr
BuiltinAliasesDup (const BuiltinAliasPtr a_aliases,
int a_aliases_len)
{
BuiltinAliasPtr aliases=NULL ;
int i=0 ;
if (!a_aliases)
return NULL ;
aliases = calloc (a_aliases_len, sizeof (BuiltinAliasRec)) ;
if (!aliases)
return NULL ;
for (i=0; i < a_aliases_len; i++) {
aliases[i].font_name = strdup(a_aliases[i].font_name);
}
return aliases ;
}
/**
* Copy a_save back into a_cur
* @param a_cur the instance of BuiltinAlias to restore
* @param a_saved the saved instance of BuiltinAlias to copy into a_cur
* @return 0 if went okay, 1 otherwise.
*/
static int
BuiltinAliasRestore (BuiltinAliasPtr a_cur,
const BuiltinAliasPtr a_save)
{
if (!a_cur)
return 1 ;
if (!a_save)
return 0 ;
if (a_save->alias_name)
memmove (a_cur->alias_name, a_save->alias_name, strlen (a_save->alias_name)) ;
if (a_save->font_name)
memmove (a_cur->font_name, a_save->font_name, strlen (a_save->font_name)) ;
return 0 ;
}
static int
BuiltinAliasesRestore (BuiltinAliasPtr a_cur_tab,
const BuiltinAliasPtr a_saved_tab,
int a_tab_len)
{
int i=0 ;
if (!a_cur_tab)
return 1 ;
if (!a_saved_tab)
return 0 ;
for (i=0 ; i < a_tab_len; i++) {
if (BuiltinAliasRestore (&a_cur_tab[i], &a_saved_tab[i]))
return 1 ;
}
return 0 ;
}
int
BuiltinReadDirectory (const char *directory, FontDirectoryPtr *pdir)
{
FontDirectoryPtr dir;
int i;
static BuiltinDirPtr saved_builtin_dir;
static BuiltinAliasPtr saved_builtin_alias;
dir = FontFileMakeDir ("", builtin_dir_count);
if (saved_builtin_dir)
{
BuiltinDirsRestore ((BuiltinDirPtr) builtin_dir,
saved_builtin_dir,
builtin_dir_count) ;
}
else
{
saved_builtin_dir = BuiltinDirsDup ((const BuiltinDirPtr) builtin_dir,
builtin_dir_count) ;
}
if (saved_builtin_alias)
{
BuiltinAliasesRestore ((BuiltinAliasPtr) builtin_alias,
saved_builtin_alias,
builtin_alias_count) ;
}
else
{
saved_builtin_alias = BuiltinAliasesDup ((const BuiltinAliasPtr) builtin_alias,
builtin_alias_count) ;
}
for (i = 0; i < builtin_dir_count; i++)
{
if (!FontFileAddFontFile (dir,
(char *) builtin_dir[i].font_name,
(char *) builtin_dir[i].file_name))
{
FontFileFreeDir (dir);
return BadFontPath;
}
}
for (i = 0; i < builtin_alias_count; i++)
{
if (!FontFileAddFontAlias (dir,
(char *) builtin_alias[i].alias_name,
(char *) builtin_alias[i].font_name))
{
FontFileFreeDir (dir);
return BadFontPath;
}
}
FontFileSortDir (dir);
*pdir = dir;
return Successful;
}
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