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Diffstat (limited to 'libX11/modules/im/ximcp/imLcLkup.c')
-rw-r--r--libX11/modules/im/ximcp/imLcLkup.c435
1 files changed, 435 insertions, 0 deletions
diff --git a/libX11/modules/im/ximcp/imLcLkup.c b/libX11/modules/im/ximcp/imLcLkup.c
new file mode 100644
index 000000000..b6a6ff604
--- /dev/null
+++ b/libX11/modules/im/ximcp/imLcLkup.c
@@ -0,0 +1,435 @@
+/* $Xorg: imLcLkup.c,v 1.3 2000/08/17 19:45:14 cpqbld Exp $ */
+/******************************************************************
+
+ 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
+
+******************************************************************/
+/* $XFree86: xc/lib/X11/imLcLkup.c,v 3.8 2003/06/23 17:35:43 eich Exp $ */
+
+#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, ev, buffer, bytes, keysym, status)
+ 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[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(status) *status = XLookupBoth;
+ } else
+ if(status) *status = XLookupChars;
+ memcpy(buffer, mb, ret);
+ } 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, ev, buffer, wlen, keysym, status)
+ 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, ev, buffer, bytes, keysym, status)
+ 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);
+ } 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, from, from_len, to, to_len, state)
+ 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, from, from_len, to, to_len, state)
+ 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, from, from_len, to, to_len, state)
+ 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);
+}
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