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OS/2 Shareware BBS: 10 Tools
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evbl0627.zip
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everblue_20010627.zip
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x11
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Xlc_PrTxt.c
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C/C++ Source or Header
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1999-11-02
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7KB
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263 lines
/* $XConsortium: lcPrTxt.c /main/4 1996/01/05 11:23:11 kaleb $ */
/*
* 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 "Xlib_private.h"
#include "XlcPubI.h"
#include <X11/Xutil.h>
#include <X11/Xatom.h>
static XPointer *
alloc_list(is_wide_char, count, nitems)
Bool is_wide_char;
int count;
int nitems;
{
DBUG_ENTER("alloc_list")
if (is_wide_char) {
wchar_t **wstr_list;
wstr_list = (wchar_t **) Xmalloc(count * sizeof(wchar_t *));
if (wstr_list == NULL)
DBUG_RETURN((XPointer *) NULL);
*wstr_list = (wchar_t *) Xmalloc(nitems * sizeof(wchar_t));
if (*wstr_list == NULL) {
Xfree(wstr_list);
DBUG_RETURN((XPointer *) NULL);
}
DBUG_RETURN((XPointer *) wstr_list);
} else {
char **str_list;
str_list = (char **) Xmalloc(count * sizeof(char *));
if (str_list == NULL)
DBUG_RETURN((XPointer *) NULL);
*str_list = (char *) Xmalloc(nitems);
if (*str_list == NULL) {
Xfree(str_list);
DBUG_RETURN((XPointer *) NULL);
}
DBUG_RETURN((XPointer *) str_list);
}
}
static void
copy_list(is_wide_char, text, list, count)
Bool is_wide_char;
XPointer text;
XPointer *list;
int count;
{
DBUG_ENTER("copy_list")
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++) {
_Xwcscpy(wstr, wc_text);
*wstr_list = wstr;
length = _Xwcslen(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;
}
}
DBUG_VOID_RETURN;
}
static int
_XTextPropertyToTextList(lcd, dpy, text_prop, to_type, list_ret, count_ret)
XLCd lcd;
Display *dpy;
XTextProperty *text_prop;
char *to_type;
XPointer **list_ret;
int *count_ret;
{
DBUG_ENTER("_XTextPropertyToTextList")
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;
DBUG_RETURN(Success);
}
if (text_prop->format != 8)
DBUG_RETURN(XConverterNotFound);
encoding = text_prop->encoding;
if (encoding == XA_STRING)
from_type = XlcNString;
else if (encoding == XInternAtom(dpy, "COMPOUND_TEXT", False))
from_type = XlcNCompoundText;
else if (encoding == XInternAtom(dpy, XLC_PUBLIC(lcd, encoding_name), False))
from_type = XlcNMultiByte;
else
DBUG_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)
DBUG_RETURN(XNoMemory);
to = buf;
to_left = buf_len;
conv = _XlcOpenConverter(lcd, from_type, lcd, to_type);
if (conv == NULL) {
Xfree(buf);
DBUG_RETURN(XConverterNotFound);
}
last_ptr = str_ptr = (char *) text_prop->value;
unconv_num = *count_ret = 0;
while (1) {
if (nitems == 0 || *str_ptr == 0) {
from = (XPointer) last_ptr;
from_left = str_ptr - last_ptr;
last_ptr = str_ptr;
ret = _XlcConvert(conv, &from, &from_left, &to, &to_left, NULL, 0);
if (ret < 0)
continue;
unconv_num += ret;
(*count_ret)++;
if (nitems == 0)
break;
last_ptr = ++str_ptr;
if (is_wide_char) {
*((wchar_t *)to) = (wchar_t) 0;
to += sizeof(wchar_t);
to_left -= sizeof(wchar_t);
} else {
*((char *)to) = '\0';
to++;
to_left--;
}
_XlcResetConverter(conv);
} else
str_ptr++;
nitems--;
}
_XlcCloseConverter(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);
DBUG_RETURN(unconv_num);
}
int
_XmbTextPropertyToTextList(lcd, dpy, text_prop, list_ret, count_ret)
XLCd lcd;
Display *dpy;
XTextProperty *text_prop;
char ***list_ret;
int *count_ret;
{
DBUG_ENTER("_XmbTextPropertyToTextList")
int result = _XTextPropertyToTextList(lcd, dpy, text_prop, XlcNMultiByte,
(XPointer **) list_ret, count_ret);
DBUG_RETURN(result);
}
int
_XwcTextPropertyToTextList(lcd, dpy, text_prop, list_ret, count_ret)
XLCd lcd;
Display *dpy;
XTextProperty *text_prop;
wchar_t ***list_ret;
int *count_ret;
{
DBUG_ENTER("_XwcTextPropertyToTextList")
int result = _XTextPropertyToTextList(lcd, dpy, text_prop, XlcNWideChar,
(XPointer **) list_ret, count_ret);
DBUG_RETURN(result);
}
void
_XwcFreeStringList(lcd, list)
XLCd lcd;
wchar_t **list;
{
DBUG_ENTER("_XwcFreeStringList")
if (list) {
if (*list)
Xfree(*list);
Xfree(list);
}
DBUG_VOID_RETURN;
}