cdesktopenv/cde/programs/dtudcfonted/libfal/_fallcPrTxt.c

259 lines
6.6 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them 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.
*
* These libraries and programs are distributed in the hope that
* they 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 these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* lcPrTxt.c 1.1 - Fujitsu source for CDEnext 95/11/06 20:32:38 */
/* $XConsortium: _fallcPrTxt.c /main/1 1996/04/08 15:17:49 cde-fuj $ */
/*
* Copyright 1992, 1993 by TOSHIBA Corp.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, 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 TOSHIBA not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission. TOSHIBA make no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* TOSHIBA 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: Katsuhisa Yano TOSHIBA Corp.
* mopi@osa.ilab.toshiba.co.jp
*/
#include "_fallibint.h"
#include "_fallcPubI.h"
#include "_falutil.h"
#include <X11/Xatom.h>
static XPointer *
alloc_list(Bool is_wide_char, int count, int nitems)
{
if (is_wide_char) {
wchar_t **wstr_list;
wstr_list = (wchar_t **) Xmalloc(count * sizeof(wchar_t *));
if (wstr_list == NULL)
return (XPointer *) NULL;
*wstr_list = (wchar_t *) Xmalloc(nitems * sizeof(wchar_t));
if (*wstr_list == NULL) {
Xfree(wstr_list);
return (XPointer *) NULL;
}
return (XPointer *) wstr_list;
} else {
char **str_list;
str_list = (char **) Xmalloc(count * sizeof(char *));
if (str_list == NULL)
return (XPointer *) NULL;
*str_list = (char *) Xmalloc(nitems);
if (*str_list == NULL) {
Xfree(str_list);
return (XPointer *) NULL;
}
return (XPointer *) str_list;
}
}
static void
copy_list(Bool is_wide_char, XPointer text, XPointer *list, int count)
{
int length;
if (is_wide_char) {
wchar_t *wc_text, *wstr, **wstr_list;
wc_text = (wchar_t *) text;
wstr_list = (wchar_t **) list;
for (wstr = *wstr_list; count > 0; count--, wstr_list++) {
_falwcscpy(wstr, wc_text);
*wstr_list = wstr;
length = _falwcslen(wstr) + 1;
wstr += length;
wc_text += length;
}
} else {
char *mb_text, *str, **str_list;
mb_text = (char *) text;
str_list = (char **) list;
for (str = *str_list; count > 0; count--, str_list++) {
strcpy(str, mb_text);
*str_list = str;
length = strlen(str) + 1;
str += length;
mb_text += length;
}
}
}
static int
_XTextPropertyToTextList(
XLCd lcd,
Display *dpy,
XTextProperty *text_prop,
char *to_type,
XPointer **list_ret,
int *count_ret)
{
XlcConv conv;
char *from_type;
XPointer from, to, buf;
char *str_ptr, *last_ptr;
Atom encoding;
int from_left, to_left, buf_len, ret;
int unconv_num, nitems = text_prop->nitems;
Bool is_wide_char = False;
if (strcmp(XlcNWideChar, to_type) == 0)
is_wide_char = True;
if (nitems <= 0) {
*list_ret = NULL;
*count_ret = 0;
return Success;
}
if (text_prop->format != 8)
return XConverterNotFound;
encoding = text_prop->encoding;
if (encoding == XA_STRING)
from_type = XlcNString;
else if (encoding == falInternAtom(dpy, "COMPOUND_TEXT", False))
from_type = XlcNCompoundText;
else if (encoding == falInternAtom(dpy, XLC_PUBLIC(lcd, encoding_name), False))
from_type = XlcNMultiByte;
else
return XConverterNotFound;
if (is_wide_char) {
buf_len = text_prop->nitems + 1;
buf = (XPointer) Xmalloc(buf_len * sizeof(wchar_t));
} else {
buf_len = text_prop->nitems * XLC_PUBLIC(lcd, mb_cur_max) + 1;
buf = (XPointer) Xmalloc(buf_len);
}
if (buf == NULL)
return XNoMemory;
to = buf;
to_left = buf_len;
conv = _fallcOpenConverter(lcd, from_type, lcd, to_type);
if (conv == NULL) {
Xfree(buf);
return XConverterNotFound;
}
last_ptr = str_ptr = (char *) text_prop->value;
unconv_num = *count_ret = 0;
while (1) {
if (nitems == 0 || *str_ptr == 0) {
if (nitems)
str_ptr++;
from = (XPointer) last_ptr;
from_left = str_ptr - last_ptr;
last_ptr = str_ptr;
ret = _fallcConvert(conv, &from, &from_left, &to, &to_left, NULL, 0);
if (ret < 0)
continue;
unconv_num += ret;
(*count_ret)++;
if (nitems == 0)
break;
_fallcResetConverter(conv);
} else
str_ptr++;
nitems--;
}
_fallcCloseConverter(conv);
if (is_wide_char)
*((wchar_t *) to) = (wchar_t) 0;
else
*((char *) to) = '\0';
to_left--;
*list_ret = alloc_list(is_wide_char, *count_ret, buf_len - to_left);
if (*list_ret)
copy_list(is_wide_char, buf, *list_ret, *count_ret);
Xfree(buf);
return unconv_num;
}
int
_falmbTextPropertyToTextList(
XLCd lcd,
Display *dpy,
XTextProperty *text_prop,
char ***list_ret,
int *count_ret)
{
return _XTextPropertyToTextList(lcd, dpy, text_prop, XlcNMultiByte,
(XPointer **) list_ret, count_ret);
}
int
_falwcTextPropertyToTextList(
XLCd lcd,
Display *dpy,
XTextProperty *text_prop,
wchar_t ***list_ret,
int *count_ret)
{
return _XTextPropertyToTextList(lcd, dpy, text_prop, XlcNWideChar,
(XPointer **) list_ret, count_ret);
}
void
_falwcFreeStringList(XLCd lcd, wchar_t **list)
{
if (list) {
if (*list)
Xfree(*list);
Xfree(list);
}
}