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a17ceb7100
It seems useless to do that since the code tests for both source length and destination to be non-zero. This fixes a cut'n'paste problem in xterm where the paste length was limited to 1024 (BUFSIZ) in button.c. Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
3117 lines
70 KiB
C
3117 lines
70 KiB
C
/*
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* Copyright 1992, 1993 by TOSHIBA Corp.
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of TOSHIBA not be used in advertising
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* or publicity pertaining to distribution of the software without specific,
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* written prior permission. TOSHIBA make no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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* TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*
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* Author: Katsuhisa Yano TOSHIBA Corp.
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* mopi@osa.ilab.toshiba.co.jp
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*/
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/*
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* (c) Copyright 1995 FUJITSU LIMITED
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* This is source code modified by FUJITSU LIMITED under the Joint
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* Development Agreement for the CDE/Motif PST.
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*
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* Modifier: Masayoshi Shimamura FUJITSU LIMITED
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*
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*/
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/*
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* 2000
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* Modifier: Ivan Pascal The XFree86 Project
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*/
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/*
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* A generic locale loader for all kinds of ISO-2022 based codesets.
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* Supports: all locales.
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* How: Provides generic converters for ISO-2022 based codesets. Extensible as
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* far as ISO-2022 is extensible: codesets can be given by name in the
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* stream. Overall distinction between GL (0x00..0x7f) and GR (0x80..0xff).
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* In every chunk between escape sequences, the number of bytes per
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* character (char_size) is constant.
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* Platforms: all systems.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "Xlibint.h"
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#include "XlcGeneric.h"
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#include <stdio.h>
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#if !defined(Lynx_22) && !defined(X_LOCALE)
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#define STDCVT
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#endif
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typedef struct _CTDataRec {
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const char *name;
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const char *encoding; /* Compound Text encoding */
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} CTDataRec, *CTData;
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static CTDataRec directionality_data[] =
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{
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{ "BEGIN_LEFT-TO-RIGHT_TEXT", "\2331]" },
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{ "BEGIN_RIGHT-TO-LEFT_TEXT", "\2332]" },
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{ "END_OF_STRING", "\233]" },
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};
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typedef struct _StateRec {
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XLCd lcd;
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/* CT state */
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XlcCharSet charset; /* charset of current state */
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XlcCharSet GL_charset; /* charset of initial state in GL */
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XlcCharSet GR_charset; /* charset of initial state in GR */
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/* MB shift state */
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CodeSet GL_codeset;
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CodeSet GR_codeset;
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} StateRec, *State;
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#define GR 0x80 /* begins right-side (non-ascii) region */
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#define GL 0x7f /* ends left-side (ascii) region */
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#define ESC 0x1b
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#define CSI 0x9b
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#define STX 0x02
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#define isrightside(c) ((c) & GR)
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#define isleftside(c) (!isrightside(c))
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/* Forward declarations for local routines. */
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static int mbstocts (XlcConv conv, XPointer *from, int *from_left,
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XPointer *to, int *to_left, XPointer *args, int num_args);
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static int ctstombs (XlcConv conv, XPointer *from, int *from_left,
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XPointer *to, int *to_left, XPointer *args, int num_args);
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static int cstombs (XlcConv conv, XPointer *from, int *from_left,
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XPointer *to, int *to_left, XPointer *args, int num_args);
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/* ------------------------------------------------------------------------- */
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/* Misc */
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/* ------------------------------------------------------------------------- */
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static int
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compare(
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const char *src,
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const char *encoding,
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int length)
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{
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const char *start = src;
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while (length-- > 0) {
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if (*src++ != *encoding++)
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return 0;
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if (*encoding == '\0')
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return src - start;
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}
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return 0;
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}
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static unsigned long
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conv_to_dest(
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Conversion conv,
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unsigned long code)
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{
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int i;
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int conv_num = conv->conv_num;
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FontScope convlist = conv->convlist;
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for (i = 0; i < conv_num; i++) {
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if (convlist[i].start <= code && code <= convlist[i].end) {
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switch (convlist[i].shift_direction) {
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case '+':
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return(code + convlist[i].shift);
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case '-':
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return(code - convlist[i].shift);
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default:
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return(code);
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}
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}
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}
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return(code);
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}
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static unsigned long
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conv_to_source(
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Conversion conv,
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unsigned long code)
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{
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int i;
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int conv_num;
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FontScope convlist;
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unsigned long start_p;
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unsigned long start_m;
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unsigned long end_p;
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unsigned long end_m;
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if (!conv)
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return(code);
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conv_num = conv->conv_num;
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convlist = conv->convlist;
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for (i = 0; i < conv_num; i++) {
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switch (convlist[i].shift_direction) {
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case '+':
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start_p = convlist[i].start + convlist[i].shift;
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end_p = convlist[i].end + convlist[i].shift;
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if (start_p <= code && code <= end_p)
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return(code - convlist[i].shift);
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break;
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case '-':
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start_m = convlist[i].start - convlist[i].shift;
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end_m = convlist[i].end - convlist[i].shift;
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if (start_m <= code && code <= end_m)
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return(code + convlist[i].shift);
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break;
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default:
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continue;
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}
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}
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return(code);
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}
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static unsigned long
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mb_to_gi(
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unsigned long mb,
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CodeSet codeset)
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{
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int i;
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unsigned long mb_tmp, mask = 0;
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if (codeset->mbconv) {
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mb_tmp = conv_to_dest(codeset->mbconv, mb);
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if (mb_tmp != mb)
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return(mb_tmp);
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}
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if (codeset->side == XlcC0 || codeset->side == XlcGL ||
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codeset->side == XlcC1 || codeset->side == XlcGR) {
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for (i = 0; i < codeset->length; i++)
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mask = (mask << 8) | GL;
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mb = mb & mask;
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}
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return(mb);
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}
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static unsigned long
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gi_to_mb(
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unsigned long glyph_index,
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CodeSet codeset)
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{
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int i;
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unsigned long mask = 0;
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if (codeset->side == XlcC1 || codeset->side == XlcGR) {
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for (i = 0; i < codeset->length; i++)
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mask = (mask << 8) | GR;
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glyph_index = glyph_index | mask;
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}
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if (codeset->mbconv)
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return( conv_to_source(codeset->mbconv, glyph_index) );
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return(glyph_index);
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}
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static Bool
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gi_to_wc(
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XLCd lcd,
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unsigned long glyph_index,
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CodeSet codeset,
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wchar_t *wc)
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{
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unsigned char mask = 0;
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unsigned long wc_encoding = codeset->wc_encoding;
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int length = codeset->length;
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unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits);
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mask = (1 << wc_shift_bits) - 1 ;
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for (*wc = 0, length--; length >= 0; length--)
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*wc = (*wc << wc_shift_bits) | ((glyph_index >> (length * 8 )) & mask);
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*wc = *wc | wc_encoding;
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return(True);
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}
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static Bool
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wc_to_gi(
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XLCd lcd,
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wchar_t wc,
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unsigned long *glyph_index,
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CodeSet *codeset)
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{
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int i;
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unsigned char mask = 0;
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unsigned long wc_encoding;
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unsigned long wc_encode_mask = XLC_GENERIC(lcd, wc_encode_mask);
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unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits);
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int codeset_num = XLC_GENERIC(lcd, codeset_num);
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CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
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wc_encoding = wc & wc_encode_mask;
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for (*codeset = NULL, i = 0; i < codeset_num; i++) {
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if (wc_encoding == codeset_list[i]->wc_encoding) {
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*codeset = codeset_list[i];
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break;
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}
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}
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if (*codeset == NULL)
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return(False);
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mask = (1 << wc_shift_bits) - 1 ;
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wc = wc & ~wc_encode_mask;
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for (*glyph_index = 0, i = (*codeset)->length - 1; i >= 0; i--)
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*glyph_index = (*glyph_index << 8) |
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( ((unsigned long)wc >> (i * wc_shift_bits)) & mask );
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return(True);
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}
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static CodeSet
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mb_parse_codeset(
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State state,
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int num,
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const char **inbufptr,
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int *from_left)
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{
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int len;
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int from_len = (*from_left) + 1;
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const char *src = (*inbufptr) - 1;
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ParseInfo *mb_parse_list = XLC_GENERIC(state->lcd, mb_parse_list);
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ParseInfo parse_info;
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CodeSet codeset;
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for (--num ; (parse_info = mb_parse_list[num]) != NULL; num++) {
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len = compare(src, parse_info->encoding, from_len);
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if (len > 0) {
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codeset = parse_info->codeset;
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if (parse_info->type == E_LSL)
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state->GL_codeset = codeset;
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else if (parse_info->type == E_LSR)
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state->GR_codeset = codeset;
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--len;
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*inbufptr += len;
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*from_left -= len;
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return codeset;
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}
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}
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return (CodeSet) NULL;
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}
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static CodeSet
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byteM_parse_codeset(
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XLCd lcd,
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const char *inbufptr)
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{
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unsigned char ch;
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CodeSet codeset;
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ByteInfoList byteM;
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ByteInfoListRec byteM_rec;
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ByteInfo byteinfo;
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ByteInfoRec byteinfo_rec;
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Bool hit = False;
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int i, j, k;
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int codeset_num = XLC_GENERIC(lcd, codeset_num);
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CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
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for (i = 0; i < codeset_num; i++) {
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codeset = codeset_list[i];
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byteM = codeset->byteM;
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if (codeset->side != XlcNONE || byteM == NULL)
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continue;
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for (j = 0; j < codeset->length; j++) {
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ch = *((unsigned char *)(inbufptr + j));
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byteM_rec = byteM[j];
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byteinfo = byteM_rec.byteinfo;
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for (hit = False, k = 0; k < byteM_rec.byteinfo_num; k++) {
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byteinfo_rec = byteinfo[k];
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if (byteinfo_rec.start <= ch && ch <= byteinfo_rec.end) {
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hit = True;
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break;
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}
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}
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if (!hit)
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break;
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}
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if (hit)
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return(codeset);
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}
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return(NULL);
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}
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#define GLGR_parse_codeset(ch) \
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(isrightside(ch) ? (state->GR_codeset) : \
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(state->GL_codeset) )
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static XlcCharSet
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gi_parse_charset(
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unsigned long glyph_index,
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CodeSet codeset)
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{
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int i;
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XlcCharSet *charset_list = codeset->charset_list;
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int num_charsets = codeset->num_charsets;
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ExtdSegment ctextseg = codeset->ctextseg;
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XlcCharSet charset = NULL;
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int area_num;
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FontScope area;
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/* lockup ct sequence */
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for (i = 0; i < num_charsets; i++) {
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charset = charset_list[i];
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if (*charset->ct_sequence != '\0')
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break;
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}
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if (i >= num_charsets)
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return(NULL);
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if (charset->source != CSsrcStd)
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return (charset);
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if (!ctextseg)
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return(charset);
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area = ctextseg->area;
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area_num = ctextseg->area_num;
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for (i = 0; i < area_num; i++) {
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if (area[i].start <= glyph_index && glyph_index <= area[i].end) {
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charset = ctextseg->charset;
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if (*charset->ct_sequence == '\0')
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return(NULL);
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break;
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}
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}
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return(charset);
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}
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static Bool
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ct_parse_csi(
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const char *inbufptr,
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int *ctr_seq_len)
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{
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int i;
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int num = sizeof(directionality_data) / sizeof(directionality_data[0]);
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for (i = 0; i < num; i++) {
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if ( !(*ctr_seq_len = strlen(directionality_data[i].encoding)) )
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continue;
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if ( strncmp(inbufptr, directionality_data[i].encoding,
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*ctr_seq_len) == 0)
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return(True);
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}
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return(False);
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}
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static int
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cmp_esc_sequence(
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const char *inbufptr,
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XlcCharSet charset)
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{
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int seq_len, name_len, total_len;
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unsigned char byte_m, byte_l;
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const char *ct_sequence = charset->ct_sequence;
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const char *encoding_name = charset->encoding_name;
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/* check esc sequence */
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if ( !(seq_len = strlen(ct_sequence) ) )
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return(0);
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if ( strncmp(inbufptr, ct_sequence, seq_len) != 0)
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return(0);
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/* Standard Character Set Encoding ? */
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if (charset->source == CSsrcStd)
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return(seq_len);
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/*
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* Non-Standard Character Set Encoding
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*
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* +--- ---+-----+-----+-----+---- ----+-----+-----+------- ------+
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* | ctseq | M | L | encoding name | STX | contents |
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* +--- ---+-----+-----+-----+---- ----+-----+-----+------- ------+
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* 4bytes 1byte 1byte variable length 1byte variable length
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* | |
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* +----------------------------------------------+
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* rest length = ((M - 128) * 128) + (L - 128)
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*/
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/* get length of encoding name */
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inbufptr += seq_len;
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byte_m = *inbufptr++;
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byte_l = *inbufptr++;
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name_len = strlen(encoding_name);
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if (((byte_m - 128) * 128 + (byte_l - 128) - 1) < name_len)
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return(0);
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if ( _XlcNCompareISOLatin1(inbufptr, encoding_name, name_len) != 0 )
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return(0);
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/* check STX (Start of Text) */
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inbufptr = inbufptr + name_len;
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if ( *inbufptr != STX )
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return(0);
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total_len = seq_len + name_len + 3;
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return(total_len);
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}
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static Bool
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ct_parse_charset(
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XLCd lcd,
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const char *inbufptr,
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XlcCharSet *charset,
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int *ctr_seq_len)
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{
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int i, j;
|
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ExtdSegment ctextseg;
|
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int num_charsets;
|
|
XlcCharSet *charset_list;
|
|
CodeSet codeset;
|
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int codeset_num = XLC_GENERIC(lcd, codeset_num);
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CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
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int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num);
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SegConv segment_conv = XLC_GENERIC(lcd, segment_conv);
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/* get charset from XLC_XLOCALE by escape sequence */
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for (i = 0; i < codeset_num; i++) {
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codeset = codeset_list[i];
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num_charsets = codeset->num_charsets;
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charset_list = codeset->charset_list;
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ctextseg = codeset->ctextseg;
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for (j = 0; j < num_charsets; j++) {
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*charset = charset_list[j];
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if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
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return(True);
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}
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|
if (ctextseg) {
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|
*charset = ctextseg->charset;
|
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if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
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|
return(True);
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}
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|
}
|
|
|
|
/* get charset from XLC_SEGMENTCONVERSION by escape sequence */
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|
|
|
if (!segment_conv)
|
|
return(False);
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|
|
for (i = 0; i < segment_conv_num; i++) {
|
|
*charset = segment_conv[i].source;
|
|
if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
|
|
return(True);
|
|
*charset = segment_conv[i].dest;
|
|
if ((*ctr_seq_len = cmp_esc_sequence(inbufptr, *charset)))
|
|
return(True);
|
|
}
|
|
|
|
return(False);
|
|
}
|
|
|
|
static Bool
|
|
segment_conversion(
|
|
XLCd lcd,
|
|
XlcCharSet *charset,
|
|
unsigned long *glyph_index)
|
|
{
|
|
int i;
|
|
int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num);
|
|
SegConv segment_conv = XLC_GENERIC(lcd, segment_conv);
|
|
FontScopeRec range;
|
|
ConversionRec conv_rec;
|
|
|
|
if (!segment_conv)
|
|
return(True);
|
|
|
|
for (i = 0; i < segment_conv_num; i++) {
|
|
if (segment_conv[i].source == *charset)
|
|
break;
|
|
}
|
|
|
|
if (i >= segment_conv_num)
|
|
return(True);
|
|
|
|
range = segment_conv[i].range;
|
|
if (*glyph_index < range.start || range.end < *glyph_index)
|
|
return(True);
|
|
|
|
*charset = segment_conv[i].dest;
|
|
conv_rec.conv_num = segment_conv[i].conv_num;
|
|
conv_rec.convlist = segment_conv[i].conv;
|
|
*glyph_index = conv_to_dest(&conv_rec, *glyph_index);
|
|
|
|
return(True);
|
|
}
|
|
|
|
static CodeSet
|
|
_XlcGetCodeSetFromName(
|
|
XLCd lcd,
|
|
const char *name)
|
|
{
|
|
int i, j;
|
|
XlcCharSet charset;
|
|
int num_charsets;
|
|
XlcCharSet *charset_list;
|
|
CodeSet codeset;
|
|
|
|
int codeset_num = XLC_GENERIC(lcd, codeset_num);
|
|
CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
|
|
|
|
for (i = 0; i < codeset_num; i++) {
|
|
codeset = codeset_list[i];
|
|
|
|
num_charsets = codeset->num_charsets;
|
|
charset_list = codeset->charset_list;
|
|
|
|
for (j = 0; j < num_charsets; j++) {
|
|
charset = charset_list[j];
|
|
|
|
if (!strlen(charset->name))
|
|
continue;
|
|
if ( strcmp(charset->name, name) == 0)
|
|
return(codeset);
|
|
}
|
|
}
|
|
|
|
return(NULL);
|
|
}
|
|
|
|
static Bool
|
|
_XlcGetCodeSetFromCharSet(
|
|
XLCd lcd,
|
|
XlcCharSet charset,
|
|
CodeSet *codeset,
|
|
unsigned long *glyph_index)
|
|
{
|
|
int j, num;
|
|
CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
|
|
XlcCharSet *charset_list;
|
|
int codeset_num, num_charsets;
|
|
Conversion ctconv;
|
|
unsigned long glyph_index_tmp = 0;
|
|
ExtdSegment ctextseg;
|
|
|
|
codeset_num = XLC_GENERIC(lcd, codeset_num);
|
|
|
|
for (num = 0 ; num < codeset_num; num++) {
|
|
*codeset = codeset_list[num];
|
|
ctconv = (*codeset)->ctconv;
|
|
ctextseg = (*codeset)->ctextseg;
|
|
|
|
num_charsets = (*codeset)->num_charsets;
|
|
charset_list = (*codeset)->charset_list;
|
|
|
|
glyph_index_tmp = conv_to_source(ctconv, *glyph_index);
|
|
|
|
if (charset->source == CSsrcStd) {
|
|
|
|
/* Standard Character Set Encoding */
|
|
if (glyph_index_tmp == *glyph_index) {
|
|
for (j = 0; j < num_charsets; j++) {
|
|
if (charset_list[j] == charset) {
|
|
goto end_loop;
|
|
}
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
/* Non-Standard Character Set Encoding */
|
|
for (j = 0; j < num_charsets; j++) {
|
|
if (charset_list[j] == charset) {
|
|
goto end_loop;
|
|
}
|
|
}
|
|
|
|
if (glyph_index_tmp != *glyph_index) {
|
|
if (ctextseg && ctextseg->charset == charset) {
|
|
goto end_loop;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
end_loop:
|
|
if (num < codeset_num) {
|
|
*glyph_index = glyph_index_tmp;
|
|
return(True);
|
|
}
|
|
|
|
return(False);
|
|
}
|
|
|
|
#define check_string_encoding(codeset) (codeset->string_encoding)
|
|
|
|
static void
|
|
output_ulong_value(
|
|
char *outbufptr,
|
|
unsigned long code,
|
|
int length,
|
|
XlcSide side)
|
|
{
|
|
int i;
|
|
|
|
for (i = (length - 1) * 8; i >= 0; i -= 8) {
|
|
*outbufptr = ( code >> i) & 0xff;
|
|
|
|
if (side == XlcC0 || side == XlcGL) {
|
|
*outbufptr = *outbufptr & GL;
|
|
} else if (side == XlcC1 || side == XlcGR) {
|
|
*outbufptr = *outbufptr | GR;
|
|
}
|
|
|
|
outbufptr++;
|
|
}
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* Init */
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
static XlcCharSet default_GL_charset = 0;
|
|
static XlcCharSet default_GR_charset = 0;
|
|
|
|
static void
|
|
init_state(
|
|
XlcConv conv)
|
|
{
|
|
State state = (State) conv->state;
|
|
|
|
/* for CT */
|
|
state->charset = NULL;
|
|
state->GL_charset = default_GL_charset;
|
|
state->GR_charset = default_GR_charset;
|
|
|
|
/* for MB shift state */
|
|
state->GL_codeset = XLC_GENERIC(state->lcd, initial_state_GL);
|
|
state->GR_codeset = XLC_GENERIC(state->lcd, initial_state_GR);
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* Convert */
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
static int
|
|
mbstowcs_org(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
unsigned char ch;
|
|
unsigned long mb = 0;
|
|
wchar_t wc;
|
|
|
|
int length = 0, len_left = 0;
|
|
int unconv_num = 0;
|
|
int num;
|
|
|
|
CodeSet codeset = NULL;
|
|
|
|
const char *inbufptr = *from;
|
|
wchar_t *outbufptr = (wchar_t *) *to;
|
|
int from_size = *from_left;
|
|
|
|
unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
|
|
|
|
if (from == NULL || *from == NULL) {
|
|
_XlcResetConverter(conv);
|
|
return( 0 );
|
|
}
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
ch = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!ch) {
|
|
if (outbufptr) {*outbufptr++ = L'\0';}
|
|
(*to_left)--;
|
|
|
|
/* error check */
|
|
if (len_left) {
|
|
unconv_num += (length - len_left);
|
|
len_left = 0;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
/* same mb char data */
|
|
if (len_left)
|
|
goto output_one_wc;
|
|
|
|
/* next mb char data for single shift ? */
|
|
if (mb_parse_table && (num = mb_parse_table[ch]) ) {
|
|
codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
|
|
if (codeset != NULL) {
|
|
length = len_left = codeset->length;
|
|
mb = 0;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* next mb char data for byteM ? */
|
|
if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
|
|
goto next_mb_char;
|
|
|
|
/* next mb char data for GL or GR side ? */
|
|
if ((codeset = GLGR_parse_codeset(ch)))
|
|
goto next_mb_char;
|
|
|
|
/* can't find codeset for the ch */
|
|
unconv_num++;
|
|
continue;
|
|
|
|
next_mb_char:
|
|
length = len_left = codeset->length;
|
|
mb = 0;
|
|
|
|
output_one_wc:
|
|
mb = (mb << 8) | ch; /* 1 byte left shift */
|
|
len_left--;
|
|
|
|
/* last of one mb char data */
|
|
if (!len_left) {
|
|
gi_to_wc(lcd, mb_to_gi(mb, codeset), codeset, &wc);
|
|
if (outbufptr) {*outbufptr++ = wc;}
|
|
(*to_left)--;
|
|
}
|
|
|
|
} /* end of while */
|
|
|
|
/* error check on last char */
|
|
if (len_left) {
|
|
inbufptr -= (length - len_left);
|
|
(*from_left) += (length - len_left);
|
|
unconv_num += (length - len_left);
|
|
}
|
|
|
|
*from = (XPointer) ((const char *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
stdc_mbstowcs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
const char *src = *((const char **) from);
|
|
wchar_t *dst = *((wchar_t **) to);
|
|
int src_left = *from_left;
|
|
int dst_left = *to_left;
|
|
int length, unconv_num = 0;
|
|
|
|
while (src_left > 0 && dst_left > 0) {
|
|
length = mbtowc(dst, src, src_left);
|
|
|
|
if (length > 0) {
|
|
src += length;
|
|
src_left -= length;
|
|
if (dst)
|
|
dst++;
|
|
dst_left--;
|
|
} else if (length < 0) {
|
|
src++;
|
|
src_left--;
|
|
unconv_num++;
|
|
} else {
|
|
/* null ? */
|
|
src++;
|
|
src_left--;
|
|
if (dst)
|
|
*dst++ = L'\0';
|
|
dst_left--;
|
|
}
|
|
}
|
|
|
|
*from = (XPointer) src;
|
|
if (dst)
|
|
*to = (XPointer) dst;
|
|
*from_left = src_left;
|
|
*to_left = dst_left;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
wcstombs_org(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
char *encoding;
|
|
unsigned long mb, glyph_index;
|
|
wchar_t wc;
|
|
|
|
int length;
|
|
int unconv_num = 0;
|
|
|
|
CodeSet codeset;
|
|
|
|
const wchar_t *inbufptr = (const wchar_t *) *from;
|
|
char *outbufptr = *to;
|
|
int from_size = *from_left;
|
|
|
|
const char *default_string = XLC_PUBLIC(lcd, default_string);
|
|
int defstr_len = strlen(default_string);
|
|
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
wc = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!wc) {
|
|
if (outbufptr) {*outbufptr++ = '\0';}
|
|
(*to_left)--;
|
|
|
|
continue;
|
|
}
|
|
|
|
/* convert */
|
|
if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
|
|
|
|
/* output default_string of XDefaultString() */
|
|
if (*to_left < defstr_len)
|
|
break;
|
|
if (outbufptr) {
|
|
strncpy((char *)outbufptr, default_string, defstr_len);
|
|
outbufptr += defstr_len;
|
|
}
|
|
(*to_left) -= defstr_len;
|
|
|
|
unconv_num++;
|
|
|
|
} else {
|
|
mb = gi_to_mb(glyph_index, codeset);
|
|
if (codeset->parse_info) {
|
|
Bool need_shift = False;
|
|
switch (codeset->parse_info->type) {
|
|
case E_LSL :
|
|
if (codeset != state->GL_codeset) {
|
|
need_shift = True;
|
|
state->GL_codeset = codeset;
|
|
}
|
|
break;
|
|
case E_LSR :
|
|
if (codeset != state->GR_codeset) {
|
|
need_shift = True;
|
|
state->GR_codeset = codeset;
|
|
}
|
|
break;
|
|
/* case E_SS */
|
|
default:
|
|
need_shift = True;
|
|
}
|
|
|
|
/* output shift sequence */
|
|
if (need_shift) {
|
|
encoding = codeset->parse_info->encoding;
|
|
length = strlen(encoding);
|
|
if (*to_left < length)
|
|
break;
|
|
if (outbufptr) {
|
|
strncpy((char *)outbufptr, encoding, length);
|
|
outbufptr += length;
|
|
}
|
|
(*to_left) -= length;
|
|
}
|
|
}
|
|
|
|
/* output characters */
|
|
length = codeset->length;
|
|
if (*to_left < length)
|
|
break;
|
|
|
|
if (outbufptr) {
|
|
output_ulong_value(outbufptr, mb, length, XlcNONE);
|
|
outbufptr += length;
|
|
}
|
|
|
|
(*to_left) -= length;
|
|
}
|
|
|
|
} /* end of while */
|
|
|
|
*from = (XPointer) ((const wchar_t *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
stdc_wcstombs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
const wchar_t *src = *((const wchar_t **) from);
|
|
char *dst = *((char **) to);
|
|
int src_left = *from_left;
|
|
int dst_left = *to_left;
|
|
int length, unconv_num = 0;
|
|
|
|
while (src_left > 0 && dst_left >= MB_CUR_MAX) {
|
|
length = wctomb(dst, *src); /* XXX */
|
|
|
|
if (length > 0) {
|
|
src++;
|
|
src_left--;
|
|
if (dst)
|
|
dst += length;
|
|
dst_left -= length;
|
|
} else if (length < 0) {
|
|
src++;
|
|
src_left--;
|
|
unconv_num++;
|
|
}
|
|
}
|
|
|
|
*from = (XPointer) src;
|
|
if (dst)
|
|
*to = (XPointer) dst;
|
|
*from_left = src_left;
|
|
*to_left = dst_left;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
wcstocts(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
unsigned long glyph_index;
|
|
wchar_t wc;
|
|
|
|
int total_len, seq_len, name_len;
|
|
int unconv_num = 0;
|
|
Bool first_flag = True, standard_flag;
|
|
XlcSide side;
|
|
|
|
CodeSet codeset;
|
|
XlcCharSet charset, old_charset = NULL;
|
|
const char *ct_sequence;
|
|
|
|
const wchar_t *inbufptr = (const wchar_t *) *from;
|
|
char *outbufptr = *to;
|
|
int from_size = *from_left;
|
|
char *ext_seg_len = NULL;
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
wc = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!wc) {
|
|
if (outbufptr) {*outbufptr++ = '\0';}
|
|
(*to_left)--;
|
|
|
|
continue;
|
|
}
|
|
|
|
/* convert */
|
|
if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
|
|
unconv_num++;
|
|
continue;
|
|
}
|
|
|
|
/* parse charset */
|
|
if ( !(charset = gi_parse_charset(glyph_index, codeset)) ) {
|
|
unconv_num++;
|
|
continue;
|
|
}
|
|
|
|
/* Standard Character Set Encoding ? */
|
|
standard_flag = charset->source == CSsrcStd ? True : False;
|
|
|
|
/*
|
|
* Non-Standard Character Set Encoding
|
|
*
|
|
* +-----+-----+-----+-----+-----+-----+-----+---- ----+-----+-----+
|
|
* | esc sequence | M | L | encoding name | STX |
|
|
* +-----+-----+-----+-----+-----+-----+-----+---- ----+-----+-----+
|
|
* 4bytes 1byte 1byte variable length 1byte
|
|
* | |
|
|
* +-----------------------------------------+
|
|
* name length = ((M - 128) * 128) + (L - 128)
|
|
*/
|
|
|
|
/* make encoding data */
|
|
ct_sequence = charset->ct_sequence;
|
|
side = charset->side;
|
|
seq_len = strlen(ct_sequence);
|
|
if (standard_flag) {
|
|
name_len = 0;
|
|
total_len = seq_len;
|
|
} else {
|
|
name_len = strlen(charset->encoding_name) + 1;
|
|
total_len = seq_len + name_len + 2;
|
|
}
|
|
|
|
/* output escape sequence of CT */
|
|
if ( (charset != old_charset) &&
|
|
!(first_flag && charset->string_encoding) ){
|
|
|
|
if ( (ext_seg_len != NULL) && outbufptr) {
|
|
int i = (outbufptr - ext_seg_len) - 2;
|
|
*ext_seg_len++ = i / 128 + 128;
|
|
*ext_seg_len = i % 128 + 128;
|
|
ext_seg_len = NULL;
|
|
}
|
|
|
|
if (*to_left < total_len + 1) {
|
|
unconv_num++;
|
|
break;
|
|
}
|
|
|
|
if (outbufptr) {
|
|
strcpy((char *)outbufptr, ct_sequence);
|
|
outbufptr += seq_len;
|
|
|
|
if (!standard_flag) {
|
|
const char *i = charset->encoding_name;
|
|
ext_seg_len = outbufptr;
|
|
outbufptr += 2;
|
|
for (; *i ; i++)
|
|
*outbufptr++ = ((*i >= 'A') && (*i <= 'Z')) ?
|
|
*i - 'A' + 'a' : *i;
|
|
*outbufptr++ = STX;
|
|
}
|
|
}
|
|
|
|
(*to_left) -= total_len;
|
|
|
|
first_flag = False;
|
|
old_charset = charset;
|
|
}
|
|
|
|
/* output glyph index */
|
|
if (codeset->ctconv)
|
|
glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
|
|
if (*to_left < charset->char_size) {
|
|
unconv_num++;
|
|
break;
|
|
}
|
|
|
|
if (outbufptr) {
|
|
output_ulong_value(outbufptr, glyph_index, charset->char_size, side);
|
|
outbufptr += charset->char_size;
|
|
}
|
|
|
|
(*to_left) -= charset->char_size;
|
|
|
|
} /* end of while */
|
|
|
|
if ( (ext_seg_len != NULL) && outbufptr) {
|
|
int i = (outbufptr - ext_seg_len) - 2;
|
|
*ext_seg_len++ = i / 128 + 128;
|
|
*ext_seg_len = i % 128 + 128;
|
|
}
|
|
|
|
*from = (XPointer) ((const wchar_t *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
stdc_wcstocts(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
|
|
char *buf_ptr1 = buf;
|
|
int buf_left1 = (*from_left) * MB_CUR_MAX;
|
|
char *buf_ptr2 = buf_ptr1;
|
|
int buf_left2;
|
|
int unconv_num1 = 0, unconv_num2 = 0;
|
|
|
|
unconv_num1 = stdc_wcstombs(conv,
|
|
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
|
|
if (unconv_num1 < 0)
|
|
goto ret;
|
|
|
|
buf_left2 = buf_ptr1 - buf_ptr2;
|
|
|
|
unconv_num2 = mbstocts(conv,
|
|
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
|
|
if (unconv_num2 < 0)
|
|
goto ret;
|
|
|
|
ret:
|
|
if (buf)
|
|
Xfree((char *)buf);
|
|
|
|
return (unconv_num1 + unconv_num2);
|
|
}
|
|
|
|
static int
|
|
ctstowcs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
unsigned char ch;
|
|
unsigned long glyph_index = 0;
|
|
wchar_t wc;
|
|
|
|
int ctr_seq_len = 0, gi_len_left = 0, gi_len = 0;
|
|
int unconv_num = 0;
|
|
|
|
CodeSet codeset = NULL;
|
|
XlcCharSet charset_tmp;
|
|
|
|
const char *inbufptr = *from;
|
|
wchar_t *outbufptr = (wchar_t *) *to;
|
|
int from_size = *from_left;
|
|
|
|
_XlcResetConverter(conv); /* ??? */
|
|
|
|
if (from == NULL || *from == NULL) {
|
|
_XlcResetConverter(conv);
|
|
return( 0 );
|
|
}
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
ch = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!ch) {
|
|
if (outbufptr) {*outbufptr++ = L'\0';}
|
|
(*to_left)--;
|
|
|
|
/* error check */
|
|
if (gi_len_left) {
|
|
unconv_num += (gi_len - gi_len_left);
|
|
gi_len_left = 0;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
/* same glyph_index data */
|
|
if (gi_len_left)
|
|
goto output_one_wc;
|
|
|
|
/* control sequence ? */
|
|
if (ch == CSI) {
|
|
if ( !ct_parse_csi(inbufptr - 1, &ctr_seq_len) )
|
|
goto skip_the_seg;
|
|
|
|
if (*from_left + 1 < ctr_seq_len) {
|
|
inbufptr--;
|
|
(*from_left)++;
|
|
unconv_num += *from_left;
|
|
break;
|
|
}
|
|
|
|
/* skip the control sequence */
|
|
inbufptr += (ctr_seq_len - 1);
|
|
*from_left -= (ctr_seq_len - 1);
|
|
|
|
continue;
|
|
}
|
|
|
|
/* escape sequence ? */
|
|
if (ch == ESC) {
|
|
if ( !ct_parse_charset(lcd,
|
|
inbufptr - 1, &state->charset, &ctr_seq_len) )
|
|
goto skip_the_seg;
|
|
|
|
if (state->charset->side == XlcC0 ||
|
|
state->charset->side == XlcGL)
|
|
{
|
|
state->GL_charset = state->charset;
|
|
}
|
|
else if (state->charset->side == XlcC1 ||
|
|
state->charset->side == XlcGR)
|
|
{
|
|
state->GR_charset = state->charset;
|
|
}
|
|
else if (state->charset->side == XlcGLGR)
|
|
{
|
|
state->GL_charset = state->charset;
|
|
state->GR_charset = state->charset;
|
|
}
|
|
|
|
if (*from_left + 1 < ctr_seq_len) {
|
|
inbufptr--;
|
|
(*from_left)++;
|
|
unconv_num += *from_left;
|
|
break;
|
|
}
|
|
|
|
/* skip the escape sequence */
|
|
inbufptr += (ctr_seq_len - 1);
|
|
*from_left -= (ctr_seq_len - 1);
|
|
|
|
continue;
|
|
}
|
|
|
|
/* check current state */
|
|
if (isleftside(ch))
|
|
state->charset = state->GL_charset;
|
|
else
|
|
state->charset = state->GR_charset;
|
|
|
|
gi_len = gi_len_left = state->charset->char_size;
|
|
glyph_index = 0;
|
|
|
|
output_one_wc:
|
|
if (state->charset->side == XlcC1 || state->charset->side == XlcGR)
|
|
glyph_index = (glyph_index << 8) | (ch & GL);
|
|
else
|
|
glyph_index = (glyph_index << 8) | ch;
|
|
|
|
gi_len_left--;
|
|
|
|
/* last of one glyph_index data */
|
|
if (!gi_len_left) {
|
|
|
|
/* segment conversion */
|
|
charset_tmp = state->charset;
|
|
segment_conversion(lcd, &charset_tmp, &glyph_index);
|
|
|
|
/* get codeset */
|
|
if ( !_XlcGetCodeSetFromCharSet(lcd, charset_tmp,
|
|
&codeset, &glyph_index) ) {
|
|
unconv_num += gi_len;
|
|
continue;
|
|
}
|
|
|
|
/* convert glyph index to wicd char */
|
|
gi_to_wc(lcd, glyph_index, codeset, &wc);
|
|
if (outbufptr) {*outbufptr++ = wc;}
|
|
(*to_left)--;
|
|
}
|
|
|
|
continue;
|
|
|
|
skip_the_seg:
|
|
/* skip until next escape or control sequence */
|
|
while ( *from_left ) {
|
|
ch = *inbufptr++;
|
|
(*from_left)--;
|
|
unconv_num++;
|
|
|
|
if (ch == ESC || ch == CSI) {
|
|
inbufptr--;
|
|
(*from_left)++;
|
|
unconv_num--;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( !(*from_left) )
|
|
break;
|
|
|
|
} /* end of while */
|
|
|
|
/* error check on last char */
|
|
if (gi_len_left) {
|
|
inbufptr -= (gi_len - gi_len_left);
|
|
(*from_left) += (gi_len - gi_len_left);
|
|
unconv_num += (gi_len - gi_len_left);
|
|
}
|
|
|
|
*from = (XPointer) ((const char *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
cstowcs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
unsigned char ch;
|
|
unsigned long glyph_index = 0;
|
|
wchar_t wc;
|
|
int gi_len_left = 0, gi_len = 0;
|
|
|
|
int unconv_num = 0;
|
|
|
|
CodeSet codeset = NULL;
|
|
XlcCharSet charset, charset_tmp;
|
|
|
|
const char *inbufptr = *from;
|
|
wchar_t *outbufptr = (wchar_t *) *to;
|
|
int from_size = *from_left;
|
|
|
|
if (from == NULL || *from == NULL) {
|
|
return( 0 );
|
|
}
|
|
|
|
charset = (XlcCharSet) args[0];
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
if (!gi_len_left) {
|
|
gi_len_left = gi_len = charset->char_size;
|
|
glyph_index = 0;
|
|
}
|
|
|
|
ch = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!ch) {
|
|
if (outbufptr) {*outbufptr++ = L'\0';}
|
|
(*to_left)--;
|
|
|
|
/* error check */
|
|
if (gi_len_left) {
|
|
unconv_num += (gi_len - gi_len_left);
|
|
gi_len_left = 0;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (charset->side == XlcC1 || charset->side == XlcGR)
|
|
glyph_index = (glyph_index << 8) | (ch & GL);
|
|
else
|
|
glyph_index = (glyph_index << 8) | ch;
|
|
|
|
gi_len_left--;
|
|
|
|
/* last of one glyph_index data */
|
|
if (!gi_len_left) {
|
|
|
|
/* segment conversion */
|
|
charset_tmp = charset;
|
|
segment_conversion(lcd, &charset_tmp, &glyph_index);
|
|
|
|
/* get codeset */
|
|
if ( !_XlcGetCodeSetFromCharSet(lcd, charset_tmp,
|
|
&codeset, &glyph_index) ) {
|
|
unconv_num += gi_len;
|
|
continue;
|
|
}
|
|
|
|
/* convert glyph index to wicd char */
|
|
gi_to_wc(lcd, glyph_index, codeset, &wc);
|
|
if (outbufptr) {*outbufptr++ = wc;}
|
|
(*to_left)--;
|
|
}
|
|
|
|
} /* end of while */
|
|
|
|
/* error check on last char */
|
|
if (gi_len_left) {
|
|
inbufptr -= (gi_len - gi_len_left);
|
|
(*from_left) += (gi_len - gi_len_left);
|
|
unconv_num += (gi_len - gi_len_left);
|
|
}
|
|
|
|
*from = (XPointer) ((const char *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
stdc_ctstowcs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
|
|
char *buf_ptr1 = buf;
|
|
int buf_left1 = (*from_left) * MB_CUR_MAX;
|
|
char *buf_ptr2 = buf_ptr1;
|
|
int buf_left2;
|
|
int unconv_num1 = 0, unconv_num2 = 0;
|
|
|
|
unconv_num1 = ctstombs(conv,
|
|
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
|
|
if (unconv_num1 < 0)
|
|
goto ret;
|
|
|
|
buf_left2 = buf_ptr1 - buf_ptr2;
|
|
|
|
unconv_num2 = stdc_mbstowcs(conv,
|
|
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
|
|
if (unconv_num2 < 0)
|
|
goto ret;
|
|
|
|
ret:
|
|
if (buf)
|
|
Xfree((char *)buf);
|
|
|
|
return (unconv_num1 + unconv_num2);
|
|
}
|
|
|
|
static int
|
|
stdc_cstowcs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
|
|
char *buf_ptr1 = buf;
|
|
int buf_left1 = (*from_left) * MB_CUR_MAX;
|
|
char *buf_ptr2 = buf_ptr1;
|
|
int buf_left2;
|
|
int unconv_num1 = 0, unconv_num2 = 0;
|
|
|
|
unconv_num1 = cstombs(conv,
|
|
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
|
|
if (unconv_num1 < 0)
|
|
goto ret;
|
|
|
|
buf_left2 = buf_ptr1 - buf_ptr2;
|
|
|
|
unconv_num2 = stdc_mbstowcs(conv,
|
|
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
|
|
if (unconv_num2 < 0)
|
|
goto ret;
|
|
|
|
ret:
|
|
if (buf)
|
|
Xfree((char *)buf);
|
|
|
|
return (unconv_num1 + unconv_num2);
|
|
}
|
|
|
|
static int
|
|
mbstocts(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t));
|
|
char *buf_ptr1 = buf;
|
|
int buf_left1 = (*from_left);
|
|
char *buf_ptr2 = buf_ptr1;
|
|
int buf_left2;
|
|
int unconv_num1 = 0, unconv_num2 = 0;
|
|
|
|
unconv_num1 = mbstowcs_org(conv,
|
|
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
|
|
if (unconv_num1 < 0)
|
|
goto ret;
|
|
|
|
buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
|
|
|
|
unconv_num2 += wcstocts(conv,
|
|
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
|
|
if (unconv_num2 < 0)
|
|
goto ret;
|
|
|
|
ret:
|
|
if (buf)
|
|
Xfree((char *)buf);
|
|
|
|
return (unconv_num1 + unconv_num2);
|
|
}
|
|
|
|
static int
|
|
mbstostr(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
unsigned char ch;
|
|
unsigned long mb = 0;
|
|
|
|
int length = 0, len_left = 0;
|
|
int unconv_num = 0;
|
|
int num;
|
|
|
|
CodeSet codeset = NULL;
|
|
|
|
const char *inbufptr = *from;
|
|
char *outbufptr = *to;
|
|
int from_size = *from_left;
|
|
|
|
unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
|
|
|
|
if (from == NULL || *from == NULL) {
|
|
_XlcResetConverter(conv);
|
|
return( 0 );
|
|
}
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
ch = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!ch) {
|
|
if (outbufptr) {*outbufptr++ = '\0';}
|
|
(*to_left)--;
|
|
|
|
/* error check */
|
|
if (len_left) {
|
|
unconv_num += (length - len_left);
|
|
len_left = 0;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
/* same mb char data */
|
|
if (len_left)
|
|
goto output_one_mb;
|
|
|
|
/* next mb char data for single shift ? */
|
|
if (mb_parse_table && (num = mb_parse_table[ch]) ) {
|
|
codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
|
|
if (codeset != NULL) {
|
|
length = len_left = codeset->length;
|
|
mb = 0;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* next char data : byteM ? */
|
|
if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
|
|
goto next_mb_char;
|
|
|
|
/* next char data : GL or GR side ? */
|
|
if ((codeset = GLGR_parse_codeset(ch)))
|
|
goto next_mb_char;
|
|
|
|
/* can't find codeset for the ch */
|
|
unconv_num++;
|
|
continue;
|
|
|
|
next_mb_char:
|
|
length = len_left = codeset->length;
|
|
mb = 0;
|
|
|
|
output_one_mb:
|
|
mb = (mb << 8) | ch; /* 1 byte left shift */
|
|
len_left--;
|
|
|
|
/* last of one mb char data */
|
|
if (!len_left) {
|
|
if (check_string_encoding(codeset)) {
|
|
if (outbufptr) {*outbufptr++ = mb & 0xff;}
|
|
(*to_left)--;
|
|
} else {
|
|
unconv_num++;
|
|
}
|
|
}
|
|
|
|
} /* end of while */
|
|
|
|
/* error check on last char */
|
|
if (len_left) {
|
|
inbufptr -= (length - len_left);
|
|
(*from_left) += (length - len_left);
|
|
unconv_num += (length - len_left);
|
|
}
|
|
|
|
*from = (XPointer) ((const char *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
mbtocs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
unsigned char ch;
|
|
unsigned long mb = 0;
|
|
unsigned long glyph_index;
|
|
|
|
int length = 0, len_left = 0, char_len;
|
|
int unconv_num = 0;
|
|
int num;
|
|
XlcSide side;
|
|
|
|
CodeSet codeset = NULL;
|
|
XlcCharSet charset = NULL;
|
|
|
|
const char *inbufptr = *from;
|
|
char *outbufptr = *to;
|
|
int from_size = *from_left;
|
|
|
|
unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
|
|
|
|
if (from == NULL || *from == NULL) {
|
|
_XlcResetConverter(conv);
|
|
return( 0 );
|
|
}
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
ch = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!ch) {
|
|
unconv_num = 1;
|
|
if (len_left)
|
|
unconv_num += (length - len_left);
|
|
break;
|
|
}
|
|
|
|
/* same mb char data */
|
|
if (len_left)
|
|
goto output;
|
|
|
|
/* next mb char data for single shift ? */
|
|
if (mb_parse_table && (num = mb_parse_table[ch]) ) {
|
|
codeset = mb_parse_codeset(state, num, &inbufptr, from_left);
|
|
if (codeset != NULL) {
|
|
length = len_left = codeset->length;
|
|
mb = 0;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* next mb char data for byteM ? */
|
|
if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))))
|
|
goto next_mb_char;
|
|
|
|
/* next mb char data for GL or GR side ? */
|
|
if ((codeset = GLGR_parse_codeset(ch)))
|
|
goto next_mb_char;
|
|
|
|
/* can't find codeset for the ch */
|
|
unconv_num = 1;
|
|
break;
|
|
|
|
next_mb_char:
|
|
length = len_left = codeset->length;
|
|
mb = 0;
|
|
|
|
output:
|
|
mb = (mb << 8) | ch; /* 1 byte left shift */
|
|
len_left--;
|
|
|
|
/* last of one mb char data */
|
|
if (!len_left) {
|
|
glyph_index = mb_to_gi(mb, codeset);
|
|
if (!(charset = gi_parse_charset(glyph_index, codeset))) {
|
|
unconv_num = length;
|
|
break;
|
|
}
|
|
char_len = charset->char_size;
|
|
side = charset->side;
|
|
|
|
/* output glyph index */
|
|
if (codeset->ctconv)
|
|
glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
|
|
if (*to_left < char_len) {
|
|
unconv_num = length;
|
|
break;
|
|
}
|
|
|
|
if (outbufptr) {
|
|
output_ulong_value(outbufptr, glyph_index, char_len, side);
|
|
outbufptr += char_len;
|
|
}
|
|
|
|
(*to_left) -= char_len;
|
|
|
|
break;
|
|
}
|
|
|
|
} /* end of while */
|
|
|
|
/* error end */
|
|
if (unconv_num) {
|
|
*from = (XPointer) ((const char *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
return -1;
|
|
}
|
|
|
|
/* normal end */
|
|
*from = (XPointer) inbufptr;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
if (num_args > 0)
|
|
*((XlcCharSet *) args[0]) = charset;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mbstocs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
int ret;
|
|
XlcCharSet charset_old, charset = NULL;
|
|
XPointer tmp_args[1];
|
|
|
|
const char *inbufptr;
|
|
int in_left;
|
|
char *outbufptr;
|
|
int out_left;
|
|
tmp_args[0] = (XPointer) &charset;
|
|
|
|
ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1);
|
|
charset_old = charset;
|
|
|
|
while ( ret == 0 && *from_left && *to_left) {
|
|
inbufptr = *from;
|
|
in_left = *from_left;
|
|
outbufptr = *to;
|
|
out_left = *to_left;
|
|
ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1);
|
|
if (charset_old != charset) {
|
|
*from = (XPointer) inbufptr;
|
|
*from_left = in_left;
|
|
*to = (XPointer) outbufptr;
|
|
*to_left = out_left;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (num_args > 0)
|
|
*((XlcCharSet *) args[0]) = charset_old;
|
|
|
|
/* error end */
|
|
if (ret != 0)
|
|
return( -1 );
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
wcstostr(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
char *encoding;
|
|
unsigned long mb, glyph_index;
|
|
wchar_t wc;
|
|
|
|
int length;
|
|
int unconv_num = 0;
|
|
|
|
CodeSet codeset;
|
|
|
|
const wchar_t *inbufptr = (const wchar_t *) *from;
|
|
char *outbufptr = *to;
|
|
int from_size = *from_left;
|
|
|
|
const char *default_string = XLC_PUBLIC(lcd, default_string);
|
|
int defstr_len = strlen(default_string);
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
wc = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!wc) {
|
|
if (outbufptr) {*outbufptr++ = '\0';}
|
|
(*to_left)--;
|
|
|
|
continue;
|
|
}
|
|
|
|
/* convert */
|
|
if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
|
|
|
|
/* output default_string of XDefaultString() */
|
|
if (*to_left < defstr_len)
|
|
break;
|
|
if (outbufptr) {
|
|
strncpy((char *)outbufptr, default_string, defstr_len);
|
|
outbufptr += defstr_len;
|
|
}
|
|
(*to_left) -= defstr_len;
|
|
|
|
unconv_num++;
|
|
|
|
} else {
|
|
mb = gi_to_mb(glyph_index, codeset);
|
|
|
|
if (check_string_encoding(codeset)) {
|
|
if (codeset->parse_info) {
|
|
Bool need_shift = False;
|
|
switch (codeset->parse_info->type) {
|
|
case E_LSL :
|
|
if (codeset != state->GL_codeset) {
|
|
need_shift = True;
|
|
state->GL_codeset = codeset;
|
|
}
|
|
break;
|
|
case E_LSR :
|
|
if (codeset != state->GR_codeset) {
|
|
need_shift = True;
|
|
state->GR_codeset = codeset;
|
|
}
|
|
break;
|
|
/* case E_SS */
|
|
default:
|
|
need_shift = True;
|
|
}
|
|
|
|
/* output shift sequence */
|
|
if (need_shift) {
|
|
encoding = codeset->parse_info->encoding;
|
|
length = strlen(encoding);
|
|
if (*to_left < length)
|
|
break;
|
|
|
|
if (outbufptr) {
|
|
strncpy((char *)outbufptr, encoding, length);
|
|
outbufptr += length;
|
|
}
|
|
(*to_left) -= length;
|
|
}
|
|
}
|
|
|
|
/* output characters */
|
|
length = codeset->length;
|
|
if (*to_left < length)
|
|
break;
|
|
|
|
if (outbufptr) {
|
|
output_ulong_value(outbufptr, mb, length, XlcNONE);
|
|
outbufptr += length;
|
|
}
|
|
|
|
(*to_left) -= length;
|
|
} else {
|
|
unconv_num++;
|
|
}
|
|
}
|
|
|
|
} /* end of while */
|
|
|
|
*from = (XPointer) ((const wchar_t *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
stdc_wcstostr(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
|
|
char *buf_ptr1 = buf;
|
|
int buf_left1 = (*from_left) * MB_CUR_MAX;
|
|
char *buf_ptr2 = buf_ptr1;
|
|
int buf_left2;
|
|
int unconv_num1 = 0, unconv_num2 = 0;
|
|
|
|
unconv_num1 = stdc_wcstombs(conv,
|
|
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
|
|
if (unconv_num1 < 0)
|
|
goto ret;
|
|
|
|
buf_left2 = buf_ptr1 - buf_ptr2;
|
|
|
|
unconv_num2 = mbstostr(conv,
|
|
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
|
|
if (unconv_num2 < 0)
|
|
goto ret;
|
|
|
|
ret:
|
|
if (buf)
|
|
Xfree((char *)buf);
|
|
|
|
return (unconv_num1 + unconv_num2);
|
|
}
|
|
|
|
static int
|
|
wctocs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
wchar_t wc;
|
|
unsigned long glyph_index;
|
|
|
|
int char_len;
|
|
int unconv_num = 0;
|
|
XlcSide side;
|
|
|
|
CodeSet codeset;
|
|
XlcCharSet charset = NULL;
|
|
|
|
const wchar_t *inbufptr = (const wchar_t *) *from;
|
|
char *outbufptr = *to;
|
|
int from_size = *from_left;
|
|
|
|
if (*from_left && *to_left) {
|
|
|
|
wc = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!wc) {
|
|
unconv_num = 1;
|
|
goto end;
|
|
}
|
|
|
|
/* convert */
|
|
if ( !wc_to_gi(lcd, wc, &glyph_index, &codeset) ) {
|
|
unconv_num = 1;
|
|
goto end;
|
|
}
|
|
|
|
if ( !(charset = gi_parse_charset(glyph_index, codeset)) ) {
|
|
unconv_num = 1;
|
|
goto end;
|
|
}
|
|
char_len = charset->char_size;
|
|
side = charset->side;
|
|
|
|
/* output glyph index */
|
|
if (codeset->ctconv)
|
|
glyph_index = conv_to_dest(codeset->ctconv, glyph_index);
|
|
if (*to_left < char_len) {
|
|
unconv_num++;
|
|
goto end;
|
|
}
|
|
|
|
if (outbufptr) {
|
|
output_ulong_value(outbufptr, glyph_index, char_len, side);
|
|
outbufptr += char_len;
|
|
}
|
|
|
|
(*to_left) -= char_len;
|
|
|
|
}
|
|
|
|
end:
|
|
|
|
/* error end */
|
|
if (unconv_num) {
|
|
*from = (XPointer) ((const wchar_t *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
return -1;
|
|
}
|
|
|
|
/* normal end */
|
|
*from = (XPointer) inbufptr;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
if (num_args > 0)
|
|
*((XlcCharSet *) args[0]) = charset;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
stdc_wctocs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
const wchar_t *src = *((const wchar_t **) from);
|
|
wchar_t wch;
|
|
XPointer tmp_from, save_from = *from;
|
|
char tmp[32];
|
|
int length, ret, src_left = *from_left;
|
|
int from_size = *from_left;
|
|
|
|
if (src_left > 0 && *to_left > 0) {
|
|
if ((wch = *src)) {
|
|
length = wctomb(tmp, wch);
|
|
} else {
|
|
goto end;
|
|
}
|
|
|
|
if (length < 0)
|
|
goto end;
|
|
|
|
tmp_from = (XPointer) tmp;
|
|
ret = mbtocs(conv, &tmp_from, &length, to, to_left, args, num_args);
|
|
if (ret < 0)
|
|
goto end;
|
|
|
|
src++;
|
|
src_left--;
|
|
}
|
|
|
|
end:
|
|
/* error end */
|
|
if (save_from == (XPointer) src) {
|
|
*from = (XPointer) ((const wchar_t *) *from + from_size);
|
|
*from_left = 0;
|
|
return -1;
|
|
}
|
|
|
|
/* normal end */
|
|
*from = (XPointer) src;
|
|
*from_left = src_left;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
wcstocs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
int ret;
|
|
XlcCharSet charset_old, charset = NULL;
|
|
XPointer tmp_args[1];
|
|
|
|
const wchar_t *inbufptr;
|
|
int in_left;
|
|
XPointer outbufptr;
|
|
int out_left;
|
|
tmp_args[0] = (XPointer) &charset;
|
|
|
|
ret = wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
|
|
charset_old = charset;
|
|
|
|
while ( ret == 0 && *from_left && *to_left) {
|
|
inbufptr = (const wchar_t *) *from;
|
|
in_left = *from_left;
|
|
outbufptr = *to;
|
|
out_left = *to_left;
|
|
ret = wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
|
|
if (charset_old != charset) {
|
|
*from = (XPointer) inbufptr;
|
|
*from_left = in_left;
|
|
*to = (XPointer) outbufptr;
|
|
*to_left = out_left;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (num_args > 0)
|
|
*((XlcCharSet *) args[0]) = charset_old;
|
|
|
|
/* error end */
|
|
if (ret != 0)
|
|
return( -1 );
|
|
|
|
return(0);
|
|
}
|
|
|
|
#ifdef STDCVT
|
|
|
|
static int
|
|
stdc_wcstocs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
int ret;
|
|
XlcCharSet charset_old, charset = NULL;
|
|
XPointer tmp_args[1];
|
|
|
|
const wchar_t *inbufptr;
|
|
int in_left;
|
|
XPointer outbufptr;
|
|
int out_left;
|
|
tmp_args[0] = (XPointer) &charset;
|
|
|
|
ret = stdc_wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
|
|
charset_old = charset;
|
|
|
|
while ( ret == 0 && *from_left && *to_left ) {
|
|
inbufptr = (const wchar_t *) *from;
|
|
in_left = *from_left;
|
|
outbufptr = *to;
|
|
out_left = *to_left;
|
|
ret = stdc_wctocs(conv, from, from_left, to, to_left, tmp_args, 1);
|
|
if (charset_old != charset) {
|
|
*from = (XPointer) inbufptr;
|
|
*from_left = in_left;
|
|
*to = (XPointer) outbufptr;
|
|
*to_left = out_left;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (num_args > 0)
|
|
*((XlcCharSet *) args[0]) = charset_old;
|
|
|
|
/* error end */
|
|
if (ret != 0)
|
|
return( -1 );
|
|
|
|
return(0);
|
|
}
|
|
|
|
#endif
|
|
|
|
static int
|
|
ctstombs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t));
|
|
char *buf_ptr1 = buf;
|
|
int buf_left1 = (*from_left);
|
|
char *buf_ptr2 = buf_ptr1;
|
|
int buf_left2;
|
|
int unconv_num1 = 0, unconv_num2 = 0;
|
|
|
|
unconv_num1 = ctstowcs(conv,
|
|
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
|
|
if (unconv_num1 < 0)
|
|
goto ret;
|
|
|
|
buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
|
|
|
|
unconv_num2 += wcstombs_org(conv,
|
|
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
|
|
if (unconv_num2 < 0)
|
|
goto ret;
|
|
|
|
ret:
|
|
if (buf)
|
|
Xfree((char *)buf);
|
|
|
|
return (unconv_num1 + unconv_num2);
|
|
}
|
|
|
|
static int
|
|
cstombs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
XPointer buf = Xmalloc((*from_left) * sizeof(wchar_t));
|
|
char *buf_ptr1 = buf;
|
|
int buf_left1 = (*from_left);
|
|
char *buf_ptr2 = buf_ptr1;
|
|
int buf_left2;
|
|
int unconv_num1 = 0, unconv_num2 = 0;
|
|
|
|
unconv_num1 = cstowcs(conv,
|
|
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
|
|
if (unconv_num1 < 0)
|
|
goto ret;
|
|
|
|
buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
|
|
|
|
unconv_num2 += wcstombs_org(conv,
|
|
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
|
|
if (unconv_num2 < 0)
|
|
goto ret;
|
|
|
|
ret:
|
|
if (buf)
|
|
Xfree((char *)buf);
|
|
|
|
return (unconv_num1 + unconv_num2);
|
|
}
|
|
|
|
static int
|
|
strtombs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
char *encoding;
|
|
unsigned long mb, glyph_index;
|
|
unsigned char ch;
|
|
|
|
int length;
|
|
int unconv_num = 0;
|
|
|
|
CodeSet codeset;
|
|
|
|
const char *inbufptr = *from;
|
|
char *outbufptr = *to;
|
|
int from_size = *from_left;
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
ch = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!ch) {
|
|
if (outbufptr) {*outbufptr++ = '\0';}
|
|
(*to_left)--;
|
|
|
|
continue;
|
|
}
|
|
|
|
/* convert */
|
|
if (isleftside(ch)) {
|
|
glyph_index = ch;
|
|
codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GL");
|
|
} else {
|
|
glyph_index = ch & GL;
|
|
codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GR");
|
|
}
|
|
|
|
if (!codeset) {
|
|
unconv_num++;
|
|
continue;
|
|
}
|
|
|
|
mb = gi_to_mb(glyph_index, codeset);
|
|
if (codeset->parse_info) {
|
|
Bool need_shift = False;
|
|
switch (codeset->parse_info->type) {
|
|
case E_LSL :
|
|
if (codeset != state->GL_codeset) {
|
|
need_shift = True;
|
|
state->GL_codeset = codeset;
|
|
}
|
|
break;
|
|
case E_LSR :
|
|
if (codeset != state->GR_codeset) {
|
|
need_shift = True;
|
|
state->GR_codeset = codeset;
|
|
}
|
|
break;
|
|
/* case E_SS */
|
|
default:
|
|
need_shift = True;
|
|
}
|
|
|
|
/* output shift sequence */
|
|
if (need_shift) {
|
|
encoding = codeset->parse_info->encoding;
|
|
length = strlen(encoding);
|
|
if (*to_left < length)
|
|
break;
|
|
if (outbufptr) {
|
|
strncpy((char *)outbufptr, encoding, length);
|
|
outbufptr += length;
|
|
}
|
|
(*to_left) -= length;
|
|
}
|
|
}
|
|
|
|
/* output characters */
|
|
length = codeset->length;
|
|
if (*to_left < length)
|
|
break;
|
|
|
|
if (outbufptr) {
|
|
output_ulong_value(outbufptr, mb, length, XlcNONE);
|
|
outbufptr += length;
|
|
}
|
|
|
|
(*to_left) -= length;
|
|
|
|
} /* end of while */
|
|
|
|
*from = (XPointer) ((const char *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
strtowcs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
State state = (State) conv->state;
|
|
XLCd lcd = state->lcd;
|
|
|
|
unsigned char ch;
|
|
unsigned long glyph_index;
|
|
wchar_t wc;
|
|
|
|
int unconv_num = 0;
|
|
CodeSet codeset;
|
|
|
|
const char *inbufptr = *from;
|
|
wchar_t *outbufptr = (wchar_t *)*to;
|
|
int from_size = *from_left;
|
|
|
|
while (*from_left && *to_left) {
|
|
|
|
ch = *inbufptr++;
|
|
(*from_left)--;
|
|
|
|
/* null ? */
|
|
if (!ch) {
|
|
if (outbufptr) {*outbufptr++ = L'\0';}
|
|
(*to_left)--;
|
|
|
|
continue;
|
|
}
|
|
|
|
/* convert */
|
|
if (isleftside(ch)) {
|
|
glyph_index = ch;
|
|
codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GL");
|
|
} else {
|
|
glyph_index = ch & GL;
|
|
codeset = _XlcGetCodeSetFromName(lcd, "ISO8859-1:GR");
|
|
}
|
|
|
|
if (!codeset) {
|
|
unconv_num++;
|
|
continue;
|
|
}
|
|
|
|
gi_to_wc(lcd, glyph_index, codeset, &wc);
|
|
if (outbufptr) {*outbufptr++ = wc;}
|
|
(*to_left)--;
|
|
|
|
} /* end of while */
|
|
|
|
*from = (XPointer) ((const char *) *from + from_size);
|
|
*from_left = 0;
|
|
*to = (XPointer) outbufptr;
|
|
|
|
return unconv_num;
|
|
}
|
|
|
|
static int
|
|
stdc_strtowcs(
|
|
XlcConv conv,
|
|
XPointer *from,
|
|
int *from_left,
|
|
XPointer *to,
|
|
int *to_left,
|
|
XPointer *args,
|
|
int num_args)
|
|
{
|
|
XPointer buf = Xmalloc((*from_left) * MB_CUR_MAX);
|
|
char *buf_ptr1 = buf;
|
|
int buf_left1 = (*from_left) * MB_CUR_MAX;
|
|
char *buf_ptr2 = buf_ptr1;
|
|
int buf_left2;
|
|
int unconv_num1 = 0, unconv_num2 = 0;
|
|
|
|
unconv_num1 = strtombs(conv,
|
|
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
|
|
if (unconv_num1 < 0)
|
|
goto ret;
|
|
|
|
buf_left2 = buf_ptr1 - buf_ptr2;
|
|
|
|
unconv_num2 = stdc_mbstowcs(conv,
|
|
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
|
|
if (unconv_num2 < 0)
|
|
goto ret;
|
|
|
|
ret:
|
|
if (buf)
|
|
Xfree((char *)buf);
|
|
|
|
return (unconv_num1 + unconv_num2);
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* Close */
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
static void
|
|
close_converter(
|
|
XlcConv conv)
|
|
{
|
|
if (conv->state) {
|
|
Xfree((char *) conv->state);
|
|
}
|
|
|
|
if (conv->methods) {
|
|
Xfree((char *) conv->methods);
|
|
}
|
|
|
|
Xfree((char *) conv);
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* Open */
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
static XlcConv
|
|
create_conv(
|
|
XLCd lcd,
|
|
XlcConvMethods methods)
|
|
{
|
|
XlcConv conv;
|
|
State state;
|
|
|
|
conv = (XlcConv) Xcalloc(1, sizeof(XlcConvRec));
|
|
if (conv == NULL)
|
|
return (XlcConv) NULL;
|
|
|
|
conv->methods = (XlcConvMethods) Xmalloc(sizeof(XlcConvMethodsRec));
|
|
if (conv->methods == NULL)
|
|
goto err;
|
|
*conv->methods = *methods;
|
|
conv->methods->reset = init_state;
|
|
|
|
conv->state = Xcalloc(1, sizeof(StateRec));
|
|
if (conv->state == NULL)
|
|
goto err;
|
|
|
|
state = (State) conv->state;
|
|
state->lcd = lcd;
|
|
|
|
_XlcResetConverter(conv);
|
|
|
|
return conv;
|
|
|
|
err:
|
|
close_converter(conv);
|
|
|
|
return (XlcConv) NULL;
|
|
}
|
|
|
|
static XlcConvMethodsRec mbstocts_methods = {
|
|
close_converter,
|
|
mbstocts,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_mbstocts(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &mbstocts_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec mbstostr_methods = {
|
|
close_converter,
|
|
mbstostr,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_mbstostr(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &mbstostr_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec mbstocs_methods = {
|
|
close_converter,
|
|
mbstocs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_mbstocs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &mbstocs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec mbtocs_methods = {
|
|
close_converter,
|
|
mbtocs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_mbtocs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &mbtocs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec ctstombs_methods = {
|
|
close_converter,
|
|
ctstombs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_ctstombs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &ctstombs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec cstombs_methods = {
|
|
close_converter,
|
|
cstombs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_cstombs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &cstombs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec strtombs_methods = {
|
|
close_converter,
|
|
strtombs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_strtombs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &strtombs_methods);
|
|
}
|
|
|
|
#ifdef STDCVT
|
|
|
|
static XlcConvMethodsRec stdc_mbstowcs_methods = {
|
|
close_converter,
|
|
stdc_mbstowcs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_mbstowcs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_mbstowcs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec stdc_wcstombs_methods = {
|
|
close_converter,
|
|
stdc_wcstombs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_wcstombs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_wcstombs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec stdc_wcstocts_methods = {
|
|
close_converter,
|
|
stdc_wcstocts,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_wcstocts(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_wcstocts_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec stdc_wcstostr_methods = {
|
|
close_converter,
|
|
stdc_wcstostr,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_wcstostr(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_wcstostr_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec stdc_wcstocs_methods = {
|
|
close_converter,
|
|
stdc_wcstocs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_wcstocs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_wcstocs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec stdc_wctocs_methods = {
|
|
close_converter,
|
|
stdc_wctocs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_wctocs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_wctocs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec stdc_ctstowcs_methods = {
|
|
close_converter,
|
|
stdc_ctstowcs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_ctstowcs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_ctstowcs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec stdc_cstowcs_methods = {
|
|
close_converter,
|
|
stdc_cstowcs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_cstowcs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_cstowcs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec stdc_strtowcs_methods = {
|
|
close_converter,
|
|
stdc_strtowcs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_stdc_strtowcs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &stdc_strtowcs_methods);
|
|
}
|
|
|
|
#endif /* STDCVT */
|
|
|
|
static XlcConvMethodsRec mbstowcs_methods = {
|
|
close_converter,
|
|
mbstowcs_org,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_mbstowcs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &mbstowcs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec wcstombs_methods = {
|
|
close_converter,
|
|
wcstombs_org,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_wcstombs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &wcstombs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec wcstocts_methods = {
|
|
close_converter,
|
|
wcstocts,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_wcstocts(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &wcstocts_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec wcstostr_methods = {
|
|
close_converter,
|
|
wcstostr,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_wcstostr(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &wcstostr_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec wcstocs_methods = {
|
|
close_converter,
|
|
wcstocs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_wcstocs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &wcstocs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec wctocs_methods = {
|
|
close_converter,
|
|
wctocs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_wctocs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &wctocs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec ctstowcs_methods = {
|
|
close_converter,
|
|
ctstowcs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_ctstowcs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &ctstowcs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec cstowcs_methods = {
|
|
close_converter,
|
|
cstowcs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_cstowcs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &cstowcs_methods);
|
|
}
|
|
|
|
static XlcConvMethodsRec strtowcs_methods = {
|
|
close_converter,
|
|
strtowcs,
|
|
NULL
|
|
};
|
|
|
|
static XlcConv
|
|
open_strtowcs(
|
|
XLCd from_lcd,
|
|
const char *from_type,
|
|
XLCd to_lcd,
|
|
const char *to_type)
|
|
{
|
|
return create_conv(from_lcd, &strtowcs_methods);
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* Loader */
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
XLCd
|
|
_XlcGenericLoader(
|
|
const char *name)
|
|
{
|
|
XLCd lcd;
|
|
#ifdef STDCVT
|
|
XLCdGenericPart *gen;
|
|
#endif
|
|
|
|
lcd = _XlcCreateLC(name, _XlcGenericMethods);
|
|
|
|
if (lcd == NULL)
|
|
return lcd;
|
|
|
|
default_GL_charset = _XlcGetCharSet("ISO8859-1:GL");
|
|
default_GR_charset = _XlcGetCharSet("ISO8859-1:GR");
|
|
|
|
_XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCompoundText, open_mbstocts);
|
|
_XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNString, open_mbstostr);
|
|
_XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCharSet, open_mbstocs);
|
|
_XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNChar, open_mbtocs);
|
|
_XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNMultiByte, open_ctstombs);
|
|
_XlcSetConverter(lcd, XlcNString, lcd, XlcNMultiByte, open_strtombs);
|
|
_XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNMultiByte, open_cstombs);
|
|
|
|
#ifdef STDCVT
|
|
gen = XLC_GENERIC_PART(lcd);
|
|
|
|
if (gen->use_stdc_env != True) {
|
|
#endif
|
|
_XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar, open_mbstowcs);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte, open_wcstombs);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCompoundText, open_wcstocts);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNString, open_wcstostr);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_wcstocs);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNChar, open_wctocs);
|
|
_XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNWideChar, open_ctstowcs);
|
|
_XlcSetConverter(lcd, XlcNString, lcd, XlcNWideChar, open_strtowcs);
|
|
_XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar, open_cstowcs);
|
|
#ifdef STDCVT
|
|
}
|
|
#endif
|
|
|
|
#ifdef STDCVT
|
|
if (gen->use_stdc_env == True) {
|
|
_XlcSetConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar, open_stdc_mbstowcs);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte, open_stdc_wcstombs);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCompoundText, open_stdc_wcstocts);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNString, open_stdc_wcstostr);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_stdc_wcstocs);
|
|
_XlcSetConverter(lcd, XlcNWideChar, lcd, XlcNChar, open_stdc_wctocs);
|
|
_XlcSetConverter(lcd, XlcNCompoundText, lcd, XlcNWideChar, open_stdc_ctstowcs);
|
|
_XlcSetConverter(lcd, XlcNString, lcd, XlcNWideChar, open_stdc_strtowcs);
|
|
_XlcSetConverter(lcd, XlcNCharSet, lcd, XlcNWideChar, open_stdc_cstowcs);
|
|
}
|
|
#endif
|
|
|
|
_XlcAddUtf8Converters(lcd);
|
|
|
|
return lcd;
|
|
}
|