diff options
Diffstat (limited to 'libX11/modules/im/ximcp/imLcLkup.c')
-rw-r--r-- | libX11/modules/im/ximcp/imLcLkup.c | 834 |
1 files changed, 417 insertions, 417 deletions
diff --git a/libX11/modules/im/ximcp/imLcLkup.c b/libX11/modules/im/ximcp/imLcLkup.c index c62a9106c..ad96ea25c 100644 --- a/libX11/modules/im/ximcp/imLcLkup.c +++ b/libX11/modules/im/ximcp/imLcLkup.c @@ -1,417 +1,417 @@ -/******************************************************************
-
- Copyright 1992 by Fuji Xerox Co., Ltd.
- Copyright 1992, 1994 by FUJITSU LIMITED
-
-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 Fuji Xerox,
-FUJITSU LIMITED not be used in advertising or publicity pertaining
-to distribution of the software without specific, written prior
-permission. Fuji Xerox, FUJITSU LIMITED make no representations
-about the suitability of this software for any purpose.
-It is provided "as is" without express or implied warranty.
-
-FUJI XEROX, FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH
-REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL FUJI XEROX,
-FUJITSU LIMITED 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: Kazunori Nishihara Fuji Xerox
- Takashi Fujiwara FUJITSU LIMITED
- fujiwara@a80.tech.yk.fujitsu.co.jp
-
-******************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <X11/Xatom.h>
-#include <X11/Xos.h>
-#include <X11/Xlib.h>
-#include <X11/keysym.h>
-#include <X11/Xutil.h>
-#include "Xlibint.h"
-#include "Xlcint.h"
-#include "XlcPubI.h"
-#include "Ximint.h"
-
-Public int
-_XimLocalMbLookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes,
- KeySym *keysym, Status *status)
-{
- Xic ic = (Xic)xic;
- int ret;
- DefTree *b = ic->private.local.base.tree;
- char *mb = ic->private.local.base.mb;
-
- if(ev->type != KeyPress) {
- if(status) *status = XLookupNone;
- return(0);
- }
- if(ev->keycode == 0 &&
- ( (ic->private.local.composed != 0)
- ||(ic->private.local.brl_committed != 0))) {
- if (ic->private.local.brl_committed != 0) { /* Braille Event */
- unsigned char pattern = ic->private.local.brl_committed;
- char *mb=alloca(XLC_PUBLIC(ic->core.im->core.lcd, mb_cur_max));
- ret = _Xlcwctomb(ic->core.im->core.lcd, mb, BRL_UC_ROW | pattern);
- if(ret > bytes) {
- if(status) *status = XBufferOverflow;
- return(ret);
- }
- if(keysym) *keysym = XK_braille_blank | pattern;
- if(ret > 0) {
- if (keysym) {
- if(status) *status = XLookupBoth;
- } else {
- if(status) *status = XLookupChars;
- }
- memcpy(buffer, mb, ret);
- } else {
- if(keysym) {
- if(status) *status = XLookupKeySym;
- } else {
- if(status) *status = XLookupNone;
- }
- }
- } else { /* Composed Event */
- ret = strlen(&mb[b[ic->private.local.composed].mb]);
- if(ret > bytes) {
- if(status) *status = XBufferOverflow;
- return(ret);
- }
- memcpy(buffer, &mb[b[ic->private.local.composed].mb], ret);
- if(keysym) *keysym = b[ic->private.local.composed].ks;
- if (ret > 0) {
- if (keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupBoth;
- } else {
- if(status) *status = XLookupChars;
- }
- } else {
- if(keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupKeySym;
- } else {
- if(status) *status = XLookupNone;
- }
- }
- }
- return (ret);
- } else { /* Throughed Event */
- ret = _XimLookupMBText(ic, ev, buffer, bytes, keysym, NULL);
- if(ret > 0) {
- if (ret > bytes) {
- if (status) *status = XBufferOverflow;
- } else if (keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupBoth;
- } else {
- if(status) *status = XLookupChars;
- }
- } else {
- if(keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupKeySym;
- } else {
- if(status) *status = XLookupNone;
- }
- }
- }
- return (ret);
-}
-
-Public int
-_XimLocalWcLookupString(XIC xic, XKeyEvent *ev, wchar_t *buffer, int wlen,
- KeySym *keysym, Status *status)
-{
- Xic ic = (Xic)xic;
- int ret;
- DefTree *b = ic->private.local.base.tree;
- wchar_t *wc = ic->private.local.base.wc;
-
- if(ev->type != KeyPress) {
- if(status) *status = XLookupNone;
- return(0);
- }
- if(ev->keycode == 0) {
- if (ic->private.local.brl_committed != 0) { /* Braille Event */
- unsigned char pattern = ic->private.local.brl_committed;
- ret = 1;
- if (ret > wlen) {
- if(status) *status = XBufferOverflow;
- return (ret);
- }
- *buffer = BRL_UC_ROW | pattern;
- if(keysym) {
- *keysym = XK_braille_blank | pattern;
- if(status) *status = XLookupBoth;
- } else
- if(status) *status = XLookupChars;
- } else { /* Composed Event */
- ret = _Xwcslen(&wc[b[ic->private.local.composed].wc]);
- if(ret > wlen) {
- if(status) *status = XBufferOverflow;
- return (ret);
- }
- memcpy((char *)buffer, (char *)&wc[b[ic->private.local.composed].wc],
- ret * sizeof(wchar_t));
- if(keysym) *keysym = b[ic->private.local.composed].ks;
- if (ret > 0) {
- if (keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupBoth;
- } else {
- if(status) *status = XLookupChars;
- }
- } else {
- if(keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupKeySym;
- } else {
- if(status) *status = XLookupNone;
- }
- }
- }
- return (ret);
- } else { /* Throughed Event */
- ret = _XimLookupWCText(ic, ev, buffer, wlen, keysym, NULL);
- if(ret > 0) {
- if (ret > wlen) {
- if (status) *status = XBufferOverflow;
- } else if (keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupBoth;
- } else {
- if(status) *status = XLookupChars;
- }
- } else {
- if(keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupKeySym;
- } else {
- if(status) *status = XLookupNone;
- }
- }
- }
- return (ret);
-}
-
-Public int
-_XimLocalUtf8LookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes,
- KeySym *keysym, Status *status)
-{
- Xic ic = (Xic)xic;
- int ret;
- DefTree *b = ic->private.local.base.tree;
- char *utf8 = ic->private.local.base.utf8;
-
- if(ev->type != KeyPress) {
- if(status) *status = XLookupNone;
- return(0);
- }
- if(ev->keycode == 0) {
- if (ic->private.local.brl_committed != 0) { /* Braille Event */
- unsigned char pattern = ic->private.local.brl_committed;
- ret = 3;
- if (ret > bytes) {
- if(status) *status = XBufferOverflow;
- return (ret);
- }
- buffer[0] = 0xe0 | ((BRL_UC_ROW >> 12) & 0x0f);
- buffer[1] = 0x80 | ((BRL_UC_ROW >> 8) & 0x30) | (pattern >> 6);
- buffer[2] = 0x80 | (pattern & 0x3f);
- if(keysym) {
- *keysym = XK_braille_blank | pattern;
- if(status) *status = XLookupBoth;
- } else
- if(status) *status = XLookupChars;
- } else { /* Composed Event */
- ret = strlen(&utf8[b[ic->private.local.composed].utf8]);
- if(ret > bytes) {
- if(status) *status = XBufferOverflow;
- return (ret);
- }
- memcpy(buffer, &utf8[b[ic->private.local.composed].utf8], ret);
- if(keysym) *keysym = b[ic->private.local.composed].ks;
- if (ret > 0) {
- if (keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupBoth;
- } else {
- if(status) *status = XLookupChars;
- }
- } else {
- if(keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupKeySym;
- } else {
- if(status) *status = XLookupNone;
- }
- }
- }
- return (ret);
- } else { /* Throughed Event */
- ret = _XimLookupUTF8Text(ic, ev, buffer, bytes, keysym, NULL);
- if(ret > 0) {
- if (ret > bytes) {
- if (status) *status = XBufferOverflow;
- } else if (keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupBoth;
- } else {
- if(status) *status = XLookupChars;
- }
- } else {
- if(keysym && *keysym != NoSymbol) {
- if(status) *status = XLookupKeySym;
- } else {
- if(status) *status = XLookupNone;
- }
- }
- }
- return (ret);
-}
-
-Private int
-_XimLcctsconvert(
- XlcConv conv,
- char *from,
- int from_len,
- char *to,
- int to_len,
- Status *state)
-{
- int from_left;
- int to_left;
- int from_savelen;
- int to_savelen;
- int from_cnvlen;
- int to_cnvlen;
- char *from_buf;
- char *to_buf;
- char scratchbuf[BUFSIZ];
- Status tmp_state;
-
- if (!state)
- state = &tmp_state;
-
- if (!conv || !from || !from_len) {
- *state = XLookupNone;
- return 0;
- }
-
- /* Reset the converter. The CompoundText at 'from' starts in
- initial state. */
- _XlcResetConverter(conv);
-
- from_left = from_len;
- to_left = BUFSIZ;
- from_cnvlen = 0;
- to_cnvlen = 0;
- for (;;) {
- from_buf = &from[from_cnvlen];
- from_savelen = from_left;
- to_buf = &scratchbuf[to_cnvlen];
- to_savelen = to_left;
- if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left,
- (XPointer *)&to_buf, &to_left, NULL, 0) < 0) {
- *state = XLookupNone;
- return 0;
- }
- from_cnvlen += (from_savelen - from_left);
- to_cnvlen += (to_savelen - to_left);
- if (from_left == 0) {
- if (!to_cnvlen) {
- *state = XLookupNone;
- return 0;
- }
- break;
- }
- }
-
- if (!to || !to_len || (to_len < to_cnvlen)) {
- *state = XBufferOverflow;
- } else {
- memcpy(to, scratchbuf, to_cnvlen);
- *state = XLookupChars;
- }
- return to_cnvlen;
-}
-
-Public int
-_XimLcctstombs(XIM xim, char *from, int from_len,
- char *to, int to_len, Status *state)
-{
- return _XimLcctsconvert(((Xim)xim)->private.local.ctom_conv,
- from, from_len, to, to_len, state);
-}
-
-Public int
-_XimLcctstowcs(XIM xim, char *from, int from_len,
- wchar_t *to, int to_len, Status *state)
-{
- Xim im = (Xim)xim;
- XlcConv conv = im->private.local.ctow_conv;
- int from_left;
- int to_left;
- int from_savelen;
- int to_savelen;
- int from_cnvlen;
- int to_cnvlen;
- char *from_buf;
- wchar_t *to_buf;
- wchar_t scratchbuf[BUFSIZ];
- Status tmp_state;
-
- if (!state)
- state = &tmp_state;
-
- if (!conv || !from || !from_len) {
- *state = XLookupNone;
- return 0;
- }
-
- /* Reset the converter. The CompoundText at 'from' starts in
- initial state. */
- _XlcResetConverter(conv);
-
- from_left = from_len;
- to_left = BUFSIZ;
- from_cnvlen = 0;
- to_cnvlen = 0;
- for (;;) {
- from_buf = &from[from_cnvlen];
- from_savelen = from_left;
- to_buf = &scratchbuf[to_cnvlen];
- to_savelen = to_left;
- if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left,
- (XPointer *)&to_buf, &to_left, NULL, 0) < 0) {
- *state = XLookupNone;
- return 0;
- }
- from_cnvlen += (from_savelen - from_left);
- to_cnvlen += (to_savelen - to_left);
- if (from_left == 0) {
- if (!to_cnvlen){
- *state = XLookupNone;
- return 0;
- }
- break;
- }
- }
-
- if (!to || !to_len || (to_len < to_cnvlen)) {
- *state = XBufferOverflow;
- } else {
- memcpy(to, scratchbuf, to_cnvlen * sizeof(wchar_t));
- *state = XLookupChars;
- }
- return to_cnvlen;
-}
-
-Public int
-_XimLcctstoutf8(XIM xim, char *from, int from_len,
- char *to, int to_len, Status *state)
-{
- return _XimLcctsconvert(((Xim)xim)->private.local.ctoutf8_conv,
- from, from_len, to, to_len, state);
-}
+/****************************************************************** + + Copyright 1992 by Fuji Xerox Co., Ltd. + Copyright 1992, 1994 by FUJITSU LIMITED + +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 Fuji Xerox, +FUJITSU LIMITED not be used in advertising or publicity pertaining +to distribution of the software without specific, written prior +permission. Fuji Xerox, FUJITSU LIMITED make no representations +about the suitability of this software for any purpose. +It is provided "as is" without express or implied warranty. + +FUJI XEROX, FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH +REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL FUJI XEROX, +FUJITSU LIMITED 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: Kazunori Nishihara Fuji Xerox + Takashi Fujiwara FUJITSU LIMITED + fujiwara@a80.tech.yk.fujitsu.co.jp + +******************************************************************/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include <X11/Xatom.h> +#include <X11/Xos.h> +#include <X11/Xlib.h> +#include <X11/keysym.h> +#include <X11/Xutil.h> +#include "Xlibint.h" +#include "Xlcint.h" +#include "XlcPubI.h" +#include "Ximint.h" + +Public int +_XimLocalMbLookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes, + KeySym *keysym, Status *status) +{ + Xic ic = (Xic)xic; + int ret; + DefTree *b = ic->private.local.base.tree; + char *mb = ic->private.local.base.mb; + + if(ev->type != KeyPress) { + if(status) *status = XLookupNone; + return(0); + } + if(ev->keycode == 0 && + ( (ic->private.local.composed != 0) + ||(ic->private.local.brl_committed != 0))) { + if (ic->private.local.brl_committed != 0) { /* Braille Event */ + unsigned char pattern = ic->private.local.brl_committed; + char *mb=alloca(XLC_PUBLIC(ic->core.im->core.lcd, mb_cur_max)); + ret = _Xlcwctomb(ic->core.im->core.lcd, mb, BRL_UC_ROW | pattern); + if(ret > bytes) { + if(status) *status = XBufferOverflow; + return(ret); + } + if(keysym) *keysym = XK_braille_blank | pattern; + if(ret > 0) { + if (keysym) { + if(status) *status = XLookupBoth; + } else { + if(status) *status = XLookupChars; + } + memcpy(buffer, mb, ret); + } else { + if(keysym) { + if(status) *status = XLookupKeySym; + } else { + if(status) *status = XLookupNone; + } + } + } else { /* Composed Event */ + ret = strlen(&mb[b[ic->private.local.composed].mb]); + if(ret > bytes) { + if(status) *status = XBufferOverflow; + return(ret); + } + memcpy(buffer, &mb[b[ic->private.local.composed].mb], ret); + if(keysym) *keysym = b[ic->private.local.composed].ks; + if (ret > 0) { + if (keysym && *keysym != NoSymbol) { + if(status) *status = XLookupBoth; + } else { + if(status) *status = XLookupChars; + } + } else { + if(keysym && *keysym != NoSymbol) { + if(status) *status = XLookupKeySym; + } else { + if(status) *status = XLookupNone; + } + } + } + return (ret); + } else { /* Throughed Event */ + ret = _XimLookupMBText(ic, ev, buffer, bytes, keysym, NULL); + if(ret > 0) { + if (ret > bytes) { + if (status) *status = XBufferOverflow; + } else if (keysym && *keysym != NoSymbol) { + if(status) *status = XLookupBoth; + } else { + if(status) *status = XLookupChars; + } + } else { + if(keysym && *keysym != NoSymbol) { + if(status) *status = XLookupKeySym; + } else { + if(status) *status = XLookupNone; + } + } + } + return (ret); +} + +Public int +_XimLocalWcLookupString(XIC xic, XKeyEvent *ev, wchar_t *buffer, int wlen, + KeySym *keysym, Status *status) +{ + Xic ic = (Xic)xic; + int ret; + DefTree *b = ic->private.local.base.tree; + wchar_t *wc = ic->private.local.base.wc; + + if(ev->type != KeyPress) { + if(status) *status = XLookupNone; + return(0); + } + if(ev->keycode == 0) { + if (ic->private.local.brl_committed != 0) { /* Braille Event */ + unsigned char pattern = ic->private.local.brl_committed; + ret = 1; + if (ret > wlen) { + if(status) *status = XBufferOverflow; + return (ret); + } + *buffer = BRL_UC_ROW | pattern; + if(keysym) { + *keysym = XK_braille_blank | pattern; + if(status) *status = XLookupBoth; + } else + if(status) *status = XLookupChars; + } else { /* Composed Event */ + ret = _Xwcslen(&wc[b[ic->private.local.composed].wc]); + if(ret > wlen) { + if(status) *status = XBufferOverflow; + return (ret); + } + memcpy((char *)buffer, (char *)&wc[b[ic->private.local.composed].wc], + ret * sizeof(wchar_t)); + if(keysym) *keysym = b[ic->private.local.composed].ks; + if (ret > 0) { + if (keysym && *keysym != NoSymbol) { + if(status) *status = XLookupBoth; + } else { + if(status) *status = XLookupChars; + } + } else { + if(keysym && *keysym != NoSymbol) { + if(status) *status = XLookupKeySym; + } else { + if(status) *status = XLookupNone; + } + } + } + return (ret); + } else { /* Throughed Event */ + ret = _XimLookupWCText(ic, ev, buffer, wlen, keysym, NULL); + if(ret > 0) { + if (ret > wlen) { + if (status) *status = XBufferOverflow; + } else if (keysym && *keysym != NoSymbol) { + if(status) *status = XLookupBoth; + } else { + if(status) *status = XLookupChars; + } + } else { + if(keysym && *keysym != NoSymbol) { + if(status) *status = XLookupKeySym; + } else { + if(status) *status = XLookupNone; + } + } + } + return (ret); +} + +Public int +_XimLocalUtf8LookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes, + KeySym *keysym, Status *status) +{ + Xic ic = (Xic)xic; + int ret; + DefTree *b = ic->private.local.base.tree; + char *utf8 = ic->private.local.base.utf8; + + if(ev->type != KeyPress) { + if(status) *status = XLookupNone; + return(0); + } + if(ev->keycode == 0) { + if (ic->private.local.brl_committed != 0) { /* Braille Event */ + unsigned char pattern = ic->private.local.brl_committed; + ret = 3; + if (ret > bytes) { + if(status) *status = XBufferOverflow; + return (ret); + } + buffer[0] = 0xe0 | ((BRL_UC_ROW >> 12) & 0x0f); + buffer[1] = 0x80 | ((BRL_UC_ROW >> 8) & 0x30) | (pattern >> 6); + buffer[2] = 0x80 | (pattern & 0x3f); + if(keysym) { + *keysym = XK_braille_blank | pattern; + if(status) *status = XLookupBoth; + } else + if(status) *status = XLookupChars; + } else { /* Composed Event */ + ret = strlen(&utf8[b[ic->private.local.composed].utf8]); + if(ret > bytes) { + if(status) *status = XBufferOverflow; + return (ret); + } + memcpy(buffer, &utf8[b[ic->private.local.composed].utf8], ret); + if(keysym) *keysym = b[ic->private.local.composed].ks; + if (ret > 0) { + if (keysym && *keysym != NoSymbol) { + if(status) *status = XLookupBoth; + } else { + if(status) *status = XLookupChars; + } + } else { + if(keysym && *keysym != NoSymbol) { + if(status) *status = XLookupKeySym; + } else { + if(status) *status = XLookupNone; + } + } + } + return (ret); + } else { /* Throughed Event */ + ret = _XimLookupUTF8Text(ic, ev, buffer, bytes, keysym, NULL); + if(ret > 0) { + if (ret > bytes) { + if (status) *status = XBufferOverflow; + } else if (keysym && *keysym != NoSymbol) { + if(status) *status = XLookupBoth; + } else { + if(status) *status = XLookupChars; + } + } else { + if(keysym && *keysym != NoSymbol) { + if(status) *status = XLookupKeySym; + } else { + if(status) *status = XLookupNone; + } + } + } + return (ret); +} + +Private int +_XimLcctsconvert( + XlcConv conv, + char *from, + int from_len, + char *to, + int to_len, + Status *state) +{ + int from_left; + int to_left; + int from_savelen; + int to_savelen; + int from_cnvlen; + int to_cnvlen; + char *from_buf; + char *to_buf; + char scratchbuf[BUFSIZ]; + Status tmp_state; + + if (!state) + state = &tmp_state; + + if (!conv || !from || !from_len) { + *state = XLookupNone; + return 0; + } + + /* Reset the converter. The CompoundText at 'from' starts in + initial state. */ + _XlcResetConverter(conv); + + from_left = from_len; + to_left = BUFSIZ; + from_cnvlen = 0; + to_cnvlen = 0; + for (;;) { + from_buf = &from[from_cnvlen]; + from_savelen = from_left; + to_buf = &scratchbuf[to_cnvlen]; + to_savelen = to_left; + if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left, + (XPointer *)&to_buf, &to_left, NULL, 0) < 0) { + *state = XLookupNone; + return 0; + } + from_cnvlen += (from_savelen - from_left); + to_cnvlen += (to_savelen - to_left); + if (from_left == 0) { + if (!to_cnvlen) { + *state = XLookupNone; + return 0; + } + break; + } + } + + if (!to || !to_len || (to_len < to_cnvlen)) { + *state = XBufferOverflow; + } else { + memcpy(to, scratchbuf, to_cnvlen); + *state = XLookupChars; + } + return to_cnvlen; +} + +Public int +_XimLcctstombs(XIM xim, char *from, int from_len, + char *to, int to_len, Status *state) +{ + return _XimLcctsconvert(((Xim)xim)->private.local.ctom_conv, + from, from_len, to, to_len, state); +} + +Public int +_XimLcctstowcs(XIM xim, char *from, int from_len, + wchar_t *to, int to_len, Status *state) +{ + Xim im = (Xim)xim; + XlcConv conv = im->private.local.ctow_conv; + int from_left; + int to_left; + int from_savelen; + int to_savelen; + int from_cnvlen; + int to_cnvlen; + char *from_buf; + wchar_t *to_buf; + wchar_t scratchbuf[BUFSIZ]; + Status tmp_state; + + if (!state) + state = &tmp_state; + + if (!conv || !from || !from_len) { + *state = XLookupNone; + return 0; + } + + /* Reset the converter. The CompoundText at 'from' starts in + initial state. */ + _XlcResetConverter(conv); + + from_left = from_len; + to_left = BUFSIZ; + from_cnvlen = 0; + to_cnvlen = 0; + for (;;) { + from_buf = &from[from_cnvlen]; + from_savelen = from_left; + to_buf = &scratchbuf[to_cnvlen]; + to_savelen = to_left; + if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left, + (XPointer *)&to_buf, &to_left, NULL, 0) < 0) { + *state = XLookupNone; + return 0; + } + from_cnvlen += (from_savelen - from_left); + to_cnvlen += (to_savelen - to_left); + if (from_left == 0) { + if (!to_cnvlen){ + *state = XLookupNone; + return 0; + } + break; + } + } + + if (!to || !to_len || (to_len < to_cnvlen)) { + *state = XBufferOverflow; + } else { + memcpy(to, scratchbuf, to_cnvlen * sizeof(wchar_t)); + *state = XLookupChars; + } + return to_cnvlen; +} + +Public int +_XimLcctstoutf8(XIM xim, char *from, int from_len, + char *to, int to_len, Status *state) +{ + return _XimLcctsconvert(((Xim)xim)->private.local.ctoutf8_conv, + from, from_len, to, to_len, state); +} |