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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_TxtPr.c
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C/C++ Source or Header
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1999-11-02
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6KB
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242 lines
/* $XConsortium: lcTxtPr.c /main/7 1996/10/22 17:21:47 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>
#include <stdio.h>
static int
get_buf_size(is_wide_char, list, count)
Bool is_wide_char;
XPointer list;
int count;
{
DBUG_ENTER("get_buf_size")
register int length = 0;
register char **mb_list;
register wchar_t **wc_list;
if (list == NULL)
DBUG_RETURN(0);
if (is_wide_char) {
wc_list = (wchar_t **) list;
for ( ; count-- > 0; wc_list++) {
if (*wc_list)
length += _Xwcslen(*wc_list) + 1;
}
length *= 5; /* XXX */
} else {
mb_list = (char **) list;
for ( ; count-- > 0; mb_list++) {
if (*mb_list)
length += strlen(*mb_list) + 1;
}
length *= 3; /* XXX */
}
length = (length / BUFSIZ + 1) * BUFSIZ; /* XXX */
DBUG_RETURN(length);
}
static int
_XTextListToTextProperty(lcd, dpy, from_type, list, count, style, text_prop)
XLCd lcd;
Display *dpy;
char *from_type;
XPointer list;
int count;
XICCEncodingStyle style;
XTextProperty *text_prop;
{
DBUG_ENTER("_XTextListToTextProperty")
Atom encoding;
XlcConv conv;
char *to_type;
char **mb_list;
wchar_t **wc_list;
XPointer from;
char *to, *buf, *value;
int from_left, to_left, buf_len, nitems, unconv_num, ret, i;
Bool is_wide_char = False;
if (strcmp(XlcNWideChar, from_type) == 0)
is_wide_char = True;
buf_len = get_buf_size(is_wide_char, list, count);
if ((buf = (char *) Xmalloc(buf_len)) == NULL)
DBUG_RETURN(XNoMemory);
switch (style) {
case XStringStyle:
case XStdICCTextStyle:
encoding = XA_STRING;
to_type = XlcNString;
break;
case XCompoundTextStyle:
encoding = XInternAtom(dpy, "COMPOUND_TEXT", False);
to_type = XlcNCompoundText;
break;
case XTextStyle:
encoding = XInternAtom(dpy, XLC_PUBLIC(lcd, encoding_name), False);
to_type = XlcNMultiByte;
if (is_wide_char == False) {
nitems = 0;
mb_list = (char **) list;
to = buf;
for (i = 0; i < count && buf_len > 0; i++) {
if (*mb_list)
strcpy(to, *mb_list);
else
*to = '\0';
from_left = (*mb_list ? strlen(*mb_list) : 0) + 1;
nitems += from_left;
to += from_left;
mb_list++;
}
unconv_num = 0;
goto done;
}
break;
default:
Xfree(buf);
DBUG_RETURN(XConverterNotFound);
}
if (count < 1) {
nitems = 0;
goto done;
}
retry:
conv = _XlcOpenConverter(lcd, from_type, lcd, to_type);
if (conv == NULL) {
Xfree(buf);
DBUG_RETURN(XConverterNotFound);
}
if (is_wide_char)
wc_list = (wchar_t **) list;
else
mb_list = (char **) list;
to = buf;
to_left = buf_len;
unconv_num = 0;
for (i = 1; to_left > 0; i++) {
if (is_wide_char) {
from = (XPointer) *wc_list;
from_left = _Xwcslen(*wc_list);
wc_list++;
} else {
from = (XPointer) *mb_list;
from_left = (*mb_list ? strlen(*mb_list) : 0);
mb_list++;
}
ret = _XlcConvert(conv, &from, &from_left, (XPointer *) &to, &to_left,
NULL, 0);
if (ret < 0)
continue;
if (ret > 0 && style == XStdICCTextStyle && encoding == XA_STRING) {
_XlcCloseConverter(conv);
encoding = XInternAtom(dpy, "COMPOUND_TEXT", False);
to_type = XlcNCompoundText;
goto retry;
}
unconv_num += ret;
*to++ = '\0';
to_left--;
if (i >= count)
break;
_XlcResetConverter(conv);
}
_XlcCloseConverter(conv);
nitems = to - buf;
done:
if (nitems <= 0)
nitems = 1;
value = (char *) Xmalloc(nitems);
if (value == NULL) {
Xfree(buf);
DBUG_RETURN(XNoMemory);
}
if (nitems == 1)
*value = 0;
else
memcpy(value, buf, nitems);
nitems--;
Xfree(buf);
text_prop->value = (unsigned char *) value;
text_prop->encoding = encoding;
text_prop->format = 8;
text_prop->nitems = nitems;
DBUG_RETURN(unconv_num);
}
int
_XmbTextListToTextProperty(lcd, dpy, list, count, style, text_prop)
XLCd lcd;
Display *dpy;
char **list;
int count;
XICCEncodingStyle style;
XTextProperty *text_prop;
{
DBUG_ENTER("_XmbTextListToTextProperty")
int result = _XTextListToTextProperty(lcd, dpy, XlcNMultiByte, (XPointer) list,
count, style, text_prop);
DBUG_RETURN(result);
}
int
_XwcTextListToTextProperty(lcd, dpy, list, count, style, text_prop)
XLCd lcd;
Display *dpy;
wchar_t **list;
int count;
XICCEncodingStyle style;
XTextProperty *text_prop;
{
DBUG_ENTER("_XwcTextListToTextProperty")
int result = _XTextListToTextProperty(lcd, dpy, XlcNWideChar, (XPointer) list,
count, style, text_prop);
DBUG_RETURN(result);
}