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cdesktopenv/cde/programs/dtudcfonted/libfal/_fallcGenConv.c

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/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* lcGenConv.c 1.5 - Fujitsu source for CDEnext 96/03/14 15:45:41 */
/* $XConsortium: _fallcGenConv.c /main/1 1996/04/08 15:17:00 cde-fuj $ */
/*
* Copyright 1992, 1993 by TOSHIBA Corp.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of TOSHIBA not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission. TOSHIBA make no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*
* Author: Katsuhisa Yano TOSHIBA Corp.
* mopi@osa.ilab.toshiba.co.jp
*/
/*
* (c) Copyright 1995 FUJITSU LIMITED
* This is source code modified by FUJITSU LIMITED under the Joint
* Development Agreement for the CDEnext PST.
* This is unpublished proprietary source code of FUJITSU LIMITED
*
* Modifier: Masayoshi Shimamura FUJITSU LIMITED
*
*/
#include "_fallibint.h"
#include "_fallcGeneric.h"
#include <stdio.h>
typedef struct _CTDataRec {
char *name;
char *encoding; /* Compound Text encoding */
} CTDataRec, *CTData;
static CTDataRec default_ct_data[] =
{
{ "ISO8859-1:GL", "\033(B" },
{ "ISO8859-1:GR", "\033-A" },
{ "ISO8859-2:GR", "\033-B" },
{ "ISO8859-3:GR", "\033-C" },
{ "ISO8859-4:GR", "\033-D" },
{ "ISO8859-7:GR", "\033-F" },
{ "ISO8859-6:GR", "\033-G" },
{ "ISO8859-8:GR", "\033-H" },
{ "ISO8859-5:GR", "\033-L" },
{ "ISO8859-9:GR", "\033-M" },
{ "JISX0201.1976-0:GL", "\033(J" },
{ "JISX0201.1976-0:GR", "\033)I" },
{ "GB2312.1980-0:GL", "\033$(A" },
{ "GB2312.1980-0:GR", "\033$)A" },
{ "JISX0208.1983-0:GL", "\033$(B" },
{ "JISX0208.1983-0:GR", "\033$)B" },
{ "KSC5601.1987-0:GL", "\033$(C" },
{ "KSC5601.1987-0:GR", "\033$)C" },
} ;
static CTDataRec directionality_data[] =
{
{ "BEGIN_LEFT-TO-RIGHT_TEXT", "\2331]" },
{ "BEGIN_RIGHT-TO-LEFT_TEXT", "\2332]" },
{ "END_OF_STRING", "\233]" },
};
typedef struct _StateRec {
XLCd lcd;
XlcCharSet charset; /* charset of current state */
XlcCharSet GL_charset; /* charset of initial state in GL */
XlcCharSet GR_charset; /* charset of initial state in GR */
} StateRec, *State;
#define GR 0x80 /* begins right-side (non-ascii) region */
#define GL 0x7f /* ends left-side (ascii) region */
#define ESC 0x1b
#define CSI 0x9b
#define STX 0x02
#define isleftside(c) (((c) & GR) ? 0 : 1)
#define isrightside(c) (!isleftside(c))
/* -------------------------------------------------------------------------- */
/* Misc */
/* -------------------------------------------------------------------------- */
static int
compare(char *src, char *encoding, int length)
{
char *start = src;
while (length-- > 0) {
if (*src++ != *encoding++)
return 0;
if (*encoding == '\0')
return src - start;
}
return 0;
}
static unsigned long
conv_to_dest(Conversion conv, unsigned long code)
{
int i;
int conv_num = conv->conv_num;
FontScope convlist = conv->convlist;
for (i = 0; i < conv_num; i++) {
if (convlist[i].start <= code && code <= convlist[i].end) {
switch (convlist[i].shift_direction) {
case '+':
return(code + convlist[i].shift);
case '-':
return(code - convlist[i].shift);
default:
return(code);
}
}
}
return(code);
}
static unsigned long
conv_to_source(Conversion conv, unsigned long code)
{
int i;
int conv_num;
FontScope convlist;
unsigned long start_p;
unsigned long start_m;
unsigned long end_p;
unsigned long end_m;
if (!conv)
return(code);
conv_num = conv->conv_num;
convlist = conv->convlist;
for (i = 0; i < conv_num; i++) {
start_p = convlist[i].start + convlist[i].shift;
start_m = convlist[i].start - convlist[i].shift;
end_p = convlist[i].end + convlist[i].shift;
end_m = convlist[i].end - convlist[i].shift;
switch (convlist[i].shift_direction) {
case '+':
if (start_p <= code && code <= end_p)
return(code - convlist[i].shift);
break;
case '-':
if (start_m <= code && code <= end_m)
return(code + convlist[i].shift);
break;
default:
continue;
}
}
return(code);
}
static unsigned long
mb_to_gi(unsigned long mb, CodeSet codeset)
{
int i;
unsigned long mb_tmp, mask = 0;
if (codeset->mbconv) {
mb_tmp = conv_to_dest(codeset->mbconv, mb);
if (mb_tmp != mb)
return(mb_tmp);
}
if (codeset->side == XlcC0 || codeset->side == XlcGL ||
codeset->side == XlcC1 || codeset->side == XlcGR) {
for (i = 0; i < codeset->length; i++)
mask = (mask << 8) | GL;
mb = mb & mask;
}
return(mb);
}
static unsigned long
gi_to_mb(unsigned long glyph_index, CodeSet codeset)
{
int i;
unsigned long mask = 0;
if (codeset->side == XlcC1 || codeset->side == XlcGR) {
for (i = 0; i < codeset->length; i++)
mask = (mask << 8) | GR;
glyph_index = glyph_index | mask;
}
if (codeset->mbconv)
return( conv_to_source(codeset->mbconv, glyph_index) );
return(glyph_index);
}
static Bool
gi_to_wc(XLCd lcd, unsigned long glyph_index, CodeSet codeset, wchar_t *wc)
{
unsigned char mask = 0;
unsigned long wc_encoding = codeset->wc_encoding;
int i, length = codeset->length;
unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits);
for (i = wc_shift_bits; i > 0; i--)
mask = (mask << 1) | 0x01;
for (*wc = 0, length--; length >= 0; length--)
*wc = (*wc << wc_shift_bits) | ((glyph_index >> (length * 8 )) & mask);
*wc = *wc | wc_encoding;
return(True);
}
static Bool
wc_to_gi(XLCd lcd, wchar_t wc, unsigned long *glyph_index, CodeSet *codeset)
{
int i;
unsigned char mask = 0;
unsigned long wc_encoding;
unsigned long wc_encode_mask = XLC_GENERIC(lcd, wc_encode_mask);
unsigned long wc_shift_bits = XLC_GENERIC(lcd, wc_shift_bits);
int codeset_num = XLC_GENERIC(lcd, codeset_num);
CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
wc_encoding = wc & wc_encode_mask;
for (*codeset = NULL, i = 0; i < codeset_num; i++) {
if (wc_encoding == codeset_list[i]->wc_encoding) {
*codeset = codeset_list[i];
break;
}
}
if (*codeset == NULL)
return(False);
for (i = wc_shift_bits; i > 0; i--)
mask = (mask << 1) | 0x01;
wc = wc & ~wc_encode_mask;
for (*glyph_index = 0, i = (*codeset)->length - 1; i >= 0; i--)
*glyph_index = (*glyph_index << 8) |
( ((unsigned long)wc >> (i * wc_shift_bits)) & mask );
return(True);
}
static CodeSet
byteM_parse_codeset(XLCd lcd, XPointer inbufptr)
{
unsigned char ch;
CodeSet codeset;
ByteInfoList byteM;
ByteInfoListRec byteM_rec;
ByteInfo byteinfo;
ByteInfoRec byteinfo_rec;
Bool hit;
int i, j, k;
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];
byteM = codeset->byteM;
if (codeset->side != XlcNONE || byteM == NULL)
continue;
for (j = 0; j < codeset->length; j++) {
ch = *((unsigned char *)(inbufptr + j));
byteM_rec = byteM[j];
byteinfo = byteM_rec.byteinfo;
for (hit=False,k=0; k < byteM_rec.byteinfo_num; k++) {
byteinfo_rec = byteinfo[k];
if (byteinfo_rec.start <= ch && ch <= byteinfo_rec.end) {
hit = True;
break;
}
}
if (!hit)
break;
}
if (hit)
return(codeset);
}
return(NULL);
}
static CodeSet
GLGR_parse_codeset(XLCd lcd, unsigned char ch)
{
int i;
CodeSet initial_state_GL = XLC_GENERIC(lcd, initial_state_GL);
CodeSet initial_state_GR = XLC_GENERIC(lcd, initial_state_GR);
CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
int codeset_num = XLC_GENERIC(lcd, codeset_num);
XlcSide side = XlcGL;
CodeSet codeset = initial_state_GL;
if (isrightside(ch)) {
side = XlcGR;
codeset = initial_state_GR;
}
if (codeset)
return(codeset);
for (i = 0; i < codeset_num; i++) {
codeset = codeset_list[i];
if (codeset->side == side)
return(codeset);
}
return(NULL);
}
static XlcCharSet
gi_parse_charset(unsigned long glyph_index, CodeSet codeset)
{
int i;
size_t table_size = sizeof(default_ct_data) / sizeof(default_ct_data[0]);
XlcCharSet *charset_list = codeset->charset_list;
int num_charsets = codeset->num_charsets;
ExtdSegment ctextseg = codeset->ctextseg;
XlcCharSet charset;
int area_num;
FontScope area;
/* lockup ct sequence */
for (i = 0; i < num_charsets; i++) {
charset = charset_list[i];
if (*charset->ct_sequence != '\0')
break;
}
if (i >= num_charsets)
return(NULL);
/* Standard Character Set Encoding ? */
for (i = 0; i < table_size; i++){
if (compare(charset->ct_sequence,
default_ct_data[i].encoding, strlen(charset->ct_sequence))){
if (!ctextseg)
return(charset);
area = ctextseg->area;
area_num = ctextseg->area_num;
for (i = 0; i < area_num; i++) {
if (area[i].start <= glyph_index && glyph_index <= area[i].end) {
charset = ctextseg->charset;
if (*charset->ct_sequence == '\0')
return(NULL);
break;
}
}
}
}
return(charset);
}
static Bool
ct_parse_csi(XPointer inbufptr, int *ctr_seq_len)
{
int i;
int num = sizeof(directionality_data) / sizeof(directionality_data[0]);
for (i = 0; i < num; i++) {
if ( !(*ctr_seq_len = strlen(directionality_data[i].encoding)) )
continue;
if ( strncmp(inbufptr, directionality_data[i].encoding,
*ctr_seq_len) == 0)
return(True);
}
return(False);
}
static int
cmp_esc_sequence(XPointer inbufptr, char *ct_sequence, char *encoding_name)
{
size_t table_size = sizeof(default_ct_data) / sizeof(default_ct_data[0]);
int i, seq_len, name_len, total_len;
unsigned char byte_m, byte_l;
/* check esc sequence */
if ( !(seq_len = strlen(ct_sequence) ) )
return(0);
if ( strncmp(inbufptr, ct_sequence, seq_len) != 0)
return(0);
/* Standard Character Set Encoding ? */
for (i = 0; i < table_size; i++) {
if (compare(ct_sequence,
default_ct_data[i].encoding, strlen(ct_sequence)))
return(seq_len);
}
/*
* 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)
*/
/* get length of encoding name */
inbufptr += seq_len;
byte_m = *inbufptr++;
byte_l = *inbufptr++;
name_len = ((byte_m - 128) * 128) + (byte_l - 128);
total_len = seq_len + name_len;
/* compare encoding names */
if ( strncmp(inbufptr, encoding_name, name_len - 3) != 0 )
return(0);
/* check STX (Start of Text) */
inbufptr = inbufptr + name_len - 3;
if ( *inbufptr != STX )
return(0);
return(total_len);
}
static Bool
ct_parse_charset(
XLCd lcd,
XPointer inbufptr,
XlcCharSet *charset,
int *ctr_seq_len)
{
int i, j;
ExtdSegment ctextseg;
int num_charsets;
XlcCharSet *charset_list;
CodeSet codeset;
int codeset_num = XLC_GENERIC(lcd, codeset_num);
CodeSet *codeset_list = XLC_GENERIC(lcd, codeset_list);
int segment_conv_num = XLC_GENERIC(lcd, segment_conv_num);
SegConv segment_conv = XLC_GENERIC(lcd, segment_conv);
/* get charset from XLC_XLOCALE by escape sequence */
for (i = 0; i < codeset_num; i++) {
codeset = codeset_list[i];
num_charsets = codeset->num_charsets;
charset_list = codeset->charset_list;
ctextseg = codeset->ctextseg;
for (j = 0; j < num_charsets; j++) {
*charset = charset_list[j];
if ( *ctr_seq_len = cmp_esc_sequence(inbufptr,
(*charset)->ct_sequence, (*charset)->encoding_name) )
return(True);
}
if (ctextseg) {
*charset = ctextseg->charset;
if ( *ctr_seq_len = cmp_esc_sequence(inbufptr,
(*charset)->ct_sequence, (*charset)->encoding_name) )
return(True);
}
}
/* get charset from XLC_SEGMENTCONVERSION by escape sequence */
if (!segment_conv)
return(False);
for (i = 0; i < segment_conv_num; i++) {
*charset = segment_conv[i].source;
if ( *ctr_seq_len = cmp_esc_sequence(inbufptr,
(*charset)->ct_sequence, (*charset)->encoding_name) )
return(True);
*charset = segment_conv[i].dest;
if ( *ctr_seq_len = cmp_esc_sequence(inbufptr,
(*charset)->ct_sequence, (*charset)->encoding_name) )
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);
}
CodeSet
_fallcGetCodeSetFromName(XLCd lcd, 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 i, 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;
ExtdSegment ctextseg;
size_t table_size = sizeof(default_ct_data) / sizeof(default_ct_data[0]);
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);
/* Standard Character Set Encoding ? */
for (i = 0; i < table_size; i++) {
if (compare(charset->ct_sequence,
default_ct_data[i].encoding, strlen(charset->ct_sequence)))
break;
}
if (i < table_size) {
/* 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->charset == charset) {
goto end_loop;
}
}
}
}
end_loop:
if (num < codeset_num) {
*glyph_index = glyph_index_tmp;
return(True);
}
return(False);
}
static Bool
check_string_encoding(CodeSet codeset)
{
int i;
XlcCharSet charset;
XlcCharSet *charset_list = codeset->charset_list;
int num_charsets = codeset->num_charsets;
for (i = 0; i < num_charsets; i++) {
charset = charset_list[i];
if ( strcmp(charset->encoding_name, "ISO8859-1") == 0 ||
charset->string_encoding)
return(True);
}
return(False);
}
/* -------------------------------------------------------------------------- */
/* Init */
/* -------------------------------------------------------------------------- */
static void
init_state(XlcConv conv)
{
State state = (State) conv->state;
/* for CT */
state->charset = NULL;
state->GL_charset = _fallcGetCharSet("ISO8859-1:GL");
state->GR_charset = _fallcGetCharSet("ISO8859-1: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;
Bool ss_flag = 0;
CodeSet codeset = NULL;
ParseInfo parse_info;
XPointer inbufptr = *from;
wchar_t *outbufptr = (wchar_t *) *to;
int from_size = *from_left;
unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
ParseInfo *mb_parse_list = XLC_GENERIC(lcd, mb_parse_list);
if (*from_left > *to_left)
*from_left = *to_left;
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){
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)--;
}
}
/* next mb char data for single shift ? */
if (mb_parse_table) {
if ((num = mb_parse_table[ch]) > 0) {
parse_info = mb_parse_list[num - 1];
codeset = parse_info->codeset;
length = len_left = codeset->length;
mb = 0;
ss_flag = 1;
continue;
}
}
/* next mb char data for byteM ? */
if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))) ||
/* next mb char data for GL or GR side ? */
(codeset = GLGR_parse_codeset(lcd, ch))){
length = len_left = codeset->length;
mb = 0;
ss_flag = 0;
}
/* can't find codeset for the ch */
unconv_num++;
continue;
} /* end of while */
/* error check on last char */
if (len_left) {
inbufptr -= (length - len_left + ss_flag);
(*from_left) += (length - len_left + ss_flag);
unconv_num += (length - len_left + ss_flag);
}
*from = *from + from_size;
*from_left = 0;
*to = (XPointer)outbufptr;
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;
wchar_t *inbufptr = (wchar_t *) *from;
XPointer outbufptr = *to;
int from_size = *from_left;
char *default_string = XLC_PUBLIC(lcd, default_string);
int defstr_len = strlen(default_string);
if (*from_left > *to_left)
*from_left = *to_left;
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 falDefaultString() */
if (*to_left < defstr_len)
break;
if (outbufptr) {strncpy((char *)outbufptr, default_string, defstr_len);}
if (outbufptr) {outbufptr += defstr_len;}
(*to_left) -= defstr_len;
unconv_num++;
} else {
mb = gi_to_mb(glyph_index, codeset);
if (codeset->parse_info) {
/* output shift sequence */
encoding = codeset->parse_info->encoding;
length = strlen(encoding);
if (*to_left < length)
break;
if (outbufptr) {strncpy((char *)outbufptr, encoding, length);}
if (outbufptr) {outbufptr += length;}
(*to_left) -= length;
}
/* output characters */
length = codeset->length;
if (*to_left < length)
break;
if (outbufptr) {strncpy((char *)outbufptr, ((char *)&mb)+sizeof(mb)-length, length);}
if (outbufptr) {outbufptr += length;}
(*to_left) -= length;
}
} /* end of while */
*from = *from + from_size;
*from_left = 0;
*to = outbufptr;
return unconv_num;
}
static int
wcstocts(
XlcConv conv,
XPointer *from,
int *from_left,
XPointer *to,
int *to_left,
XPointer *args,
int num_args)
{
size_t table_size = sizeof(default_ct_data) / sizeof(default_ct_data[0]);
State state = (State) conv->state;
XLCd lcd = state->lcd;
unsigned long glyph_index;
wchar_t wc;
int i, 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;
char *ct_sequence;
XPointer p;
wchar_t *inbufptr = (wchar_t *) *from;
XPointer outbufptr = *to;
int from_size = *from_left;
if (*from_left > *to_left)
*from_left = *to_left;
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 = False;
for (i = 0; i < table_size; i++)
if (compare(charset->ct_sequence,
default_ct_data[i].encoding, strlen(charset->ct_sequence)))
standard_flag = True;
/*
* 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(charset->ct_sequence);
if (standard_flag) {
name_len = 0;
total_len = seq_len;
} else {
name_len = 2 + strlen(charset->encoding_name) + 1;
total_len = seq_len + name_len;
}
/* output escape sequence of CT */
if ( (charset != old_charset) &&
!(first_flag && (strcmp(charset->encoding_name,"ISO8859-1")==0))) {
if (*to_left < total_len + 1) {
unconv_num++;
break;
}
if (outbufptr) {
strcpy((char *)outbufptr, charset->ct_sequence);
outbufptr += seq_len;
if (!standard_flag) {
*outbufptr++ = name_len / 128 + 128;
*outbufptr++ = name_len % 128 + 128;
strcpy((char *)outbufptr, charset->encoding_name);
outbufptr = outbufptr + name_len - 2 - 1;
*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;
}
p = ((XPointer)&glyph_index) + sizeof(glyph_index) - charset->char_size;
for (i = 0; i < charset->char_size; i++) {
if (side == XlcC0 || side == XlcGL) {
if (outbufptr) {*outbufptr++ = *p++ & GL;}
} else if (side == XlcC1 || side == XlcGR) {
if (outbufptr) {*outbufptr++ = *p++ | GR;}
} else {
if (outbufptr) {*outbufptr++ = *p++;}
}
}
(*to_left) -= charset->char_size;
} /* end of while */
*from = *from + from_size;
*from_left = 0;
*to = outbufptr;
return unconv_num;
}
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;
XPointer inbufptr = *from;
wchar_t *outbufptr = (wchar_t *) *to;
int from_size = *from_left;
init_state(conv);
if (from == NULL || *from == NULL) {
init_state(conv);
return( 0 );
}
if (*from_left > *to_left)
*from_left = *to_left;
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){
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;
if ( !segment_conversion(lcd, &charset_tmp, &glyph_index) ) {
unconv_num += gi_len;
continue;
}
/* 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;
}
/* control sequence ? */
if (ch == CSI) {
if ( !ct_parse_csi(inbufptr - 1, &ctr_seq_len) )
goto skip_the_seg;
if (*from_left < 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 (*from_left < 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 (state->charset) {
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 (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;
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 = *from + from_size;
*from_left = 0;
*to = (XPointer)outbufptr;
return unconv_num;
}
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));
XPointer buf_ptr1 = buf;
int buf_left1 = (*from_left);
XPointer buf_ptr2 = buf_ptr1;
int buf_left2;
int unconv_num;
unconv_num = mbstowcs_org(conv,
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
if (unconv_num < 0){
if (buf)
Xfree((char *)buf);
return unconv_num;
}
buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
unconv_num += wcstocts(conv,
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
if (unconv_num < 0){
if (buf)
Xfree((char *)buf);
return unconv_num;
}
}
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;
Bool ss_flag = 0;
CodeSet codeset = NULL;
ParseInfo parse_info;
XPointer inbufptr = *from;
XPointer outbufptr = *to;
int from_size = *from_left;
unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
ParseInfo *mb_parse_list = XLC_GENERIC(lcd, mb_parse_list);
if (*from_left > *to_left)
*from_left = *to_left;
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){
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++;
}
}
}
/* next mb char data for single shift ? */
if (mb_parse_table) {
if ((num = mb_parse_table[ch]) > 0) {
parse_info = mb_parse_list[num - 1];
codeset = parse_info->codeset;
length = len_left = codeset->length;
mb = 0;
ss_flag = 1;
continue;
}
}
/* next char data : byteM ? */
if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))) ||
/* next char data : GL or GR side ? */
(codeset = GLGR_parse_codeset(lcd, ch))){
length = len_left = codeset->length;
mb = 0;
ss_flag = 0;
}
/* can't find codeset for the ch */
unconv_num++;
continue;
} /* end of while */
/* error check on last char */
if (len_left) {
inbufptr -= (length - len_left + ss_flag);
(*from_left) += (length - len_left + ss_flag);
unconv_num += (length - len_left + ss_flag);
}
*from = *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 i, num;
XlcSide side;
CodeSet codeset = NULL;
XlcCharSet charset = NULL;
ParseInfo parse_info;
XPointer p;
XPointer inbufptr = *from;
XPointer outbufptr = *to;
int from_size = *from_left;
unsigned char *mb_parse_table = XLC_GENERIC(lcd, mb_parse_table);
ParseInfo *mb_parse_list = XLC_GENERIC(lcd, mb_parse_list);
if (*from_left > *to_left)
*from_left = *to_left;
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) {
if ((num = mb_parse_table[ch]) > 0) {
parse_info = mb_parse_list[num - 1];
codeset = parse_info->codeset;
length = len_left = codeset->length;
mb = 0;
continue;
}
}
/* next mb char data for byteM ? */
if ((codeset = byteM_parse_codeset(lcd, (inbufptr - 1))) ||
/* next mb char data for GL or GR side ? */
(codeset = GLGR_parse_codeset(lcd, ch))){
length = len_left = codeset->length;
mb = 0;
}
/* can't find codeset for the ch */
unconv_num = 1;
break;
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;
}
p = ((XPointer)&glyph_index) + sizeof(glyph_index) - char_len;
for (i = 0; i < char_len; i++) {
if (side == XlcC0 || side == XlcGL) {
if (outbufptr) {*outbufptr++ = *p++ & GL;}
} else if (side == XlcC1 || side == XlcGR) {
if (outbufptr) {*outbufptr++ = *p++ | GR;}
} else {
if (outbufptr) {*outbufptr++ = *p++;}
}
}
(*to_left) -= char_len;
break;
}
} /* end of while */
/* error end */
if (unconv_num) {
*from = *from + from_size;
*from_left = 0;
*to = outbufptr;
return -1;
}
/* nomal end */
*from = inbufptr;
*to = 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];
XPointer inbufptr;
int in_left;
XPointer outbufptr;
int out_left;
tmp_args[0] = (XPointer) &charset;
ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1);
charset_old = charset;
inbufptr = *from;
in_left = *from_left;
outbufptr = *to;
out_left = *to_left;
while ( ret == 0 && *from_left && *to_left && charset_old == charset ) {
charset_old = charset;
inbufptr = *from;
in_left = *from_left;
outbufptr = *to;
out_left = *to_left;
ret = mbtocs(conv, from, from_left, to, to_left, tmp_args, 1);
}
*from = inbufptr;
*from_left = in_left;
*to = outbufptr;
*to_left = out_left;
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;
wchar_t *inbufptr = (wchar_t *) *from;
XPointer outbufptr = *to;
int from_size = *from_left;
char *default_string = XLC_PUBLIC(lcd, default_string);
int defstr_len = strlen(default_string);
if (*from_left > *to_left)
*from_left = *to_left;
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 falDefaultString() */
if (*to_left < defstr_len)
break;
if (outbufptr) {strncpy((char *)outbufptr, default_string, defstr_len);}
if (outbufptr) {outbufptr += defstr_len;}
(*to_left) -= defstr_len;
unconv_num++;
} else {
mb = gi_to_mb(glyph_index, codeset);
if (codeset->parse_info) {
/* output shift sequence */
encoding = codeset->parse_info->encoding;
length = strlen(encoding);
if (*to_left < length)
break;
if (check_string_encoding(codeset)) {
if (outbufptr) {strncpy((char *)outbufptr, encoding, length);}
if (outbufptr) {outbufptr += length;}
(*to_left) -= length;
}
}
/* output characters */
length = codeset->length;
if (*to_left < length)
break;
if (check_string_encoding(codeset)) {
if (outbufptr) {strncpy((char *)outbufptr,
((char *)&mb) + sizeof(mb) - length, length);}
if (outbufptr) {outbufptr += length;}
(*to_left) -= length;
} else {
unconv_num++;
}
}
} /* end of while */
*from = *from + from_size;
*from_left = 0;
*to = outbufptr;
return unconv_num;
}
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 i, char_len;
int unconv_num = 0;
XlcSide side;
CodeSet codeset;
XlcCharSet charset;
XPointer p;
wchar_t *inbufptr = (wchar_t *) *from;
XPointer outbufptr = *to;
int from_size = *from_left;
if (*from_left > *to_left)
*from_left = *to_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;
}
p = ((XPointer)&glyph_index) + sizeof(glyph_index) - char_len;
for (i = 0; i < char_len; i++) {
if (side == XlcC0 || side == XlcGL) {
if (outbufptr) {*outbufptr++ = *p++ & GL;}
} else if (side == XlcC1 || side == XlcGR) {
if (outbufptr) {*outbufptr++ = *p++ | GR;}
} else {
if (outbufptr) {*outbufptr++ = *p++;}
}
}
(*to_left) -= char_len;
}
end:
/* error end */
if (unconv_num) {
*from = *from + from_size;
*from_left = 0;
*to = outbufptr;
return -1;
}
/* nomal end */
*from = (XPointer)inbufptr;
*to = outbufptr;
if (num_args > 0)
*((XlcCharSet *) args[0]) = charset;
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];
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;
inbufptr = (wchar_t *)(*from);
in_left = *from_left;
outbufptr = *to;
out_left = *to_left;
while ( ret == 0 && *from_left && *to_left && charset_old == charset ) {
charset_old = charset;
inbufptr = (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);
}
*from = (XPointer)inbufptr;
*from_left = in_left;
*to = outbufptr;
*to_left = out_left;
if (num_args > 0)
*((XlcCharSet *) args[0]) = charset_old;
/* error end */
if (ret != 0)
return( -1 );
return(0);
}
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));
XPointer buf_ptr1 = buf;
int buf_left1 = (*from_left);
XPointer buf_ptr2 = buf_ptr1;
int buf_left2;
int unconv_num;
unconv_num = ctstowcs(conv,
from, from_left, &buf_ptr1, &buf_left1, args, num_args);
if (unconv_num < 0){
if (buf)
Xfree((char *)buf);
return unconv_num;
}
buf_left2 = (buf_ptr1 - buf_ptr2) / sizeof(wchar_t);
unconv_num += wcstombs_org(conv,
&buf_ptr2, &buf_left2, to, to_left, args, num_args);
if (unconv_num < 0){
if (buf)
Xfree((char *)buf);
return unconv_num;
}
}
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;
XPointer inbufptr = *from;
XPointer outbufptr = *to;
int from_size = *from_left;
if (*from_left > *to_left)
*from_left = *to_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 = _fallcGetCodeSetFromName(lcd, "ISO8859-1:GL");
} else {
glyph_index = ch & GL;
codeset = _fallcGetCodeSetFromName(lcd, "ISO8859-1:GR");
}
if (!codeset) {
unconv_num++;
continue;
}
mb = gi_to_mb(glyph_index, codeset);
if (codeset->parse_info) {
/* output shift sequence */
encoding = codeset->parse_info->encoding;
length = strlen(encoding);
if (*to_left < length)
break;
if (outbufptr) {strncpy((char *)outbufptr, encoding, length);}
if (outbufptr) {outbufptr += length;}
(*to_left) -= length;
}
/* output characters */
length = codeset->length;
if (*to_left < length)
break;
if (outbufptr) {strncpy((char *)outbufptr, ((char *)&mb)+sizeof(mb)-length, length);}
if (outbufptr) {outbufptr += length;}
(*to_left) -= length;
} /* end of while */
*from = *from + from_size;
*from_left = 0;
*to = 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;
XPointer inbufptr = *from;
wchar_t *outbufptr = (wchar_t *)*to;
int from_size = *from_left;
if (*from_left > *to_left)
*from_left = *to_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 = _fallcGetCodeSetFromName(lcd, "ISO8859-1:GL");
} else {
glyph_index = ch & GL;
codeset = _fallcGetCodeSetFromName(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 = *from + from_size;
*from_left = 0;
*to = (XPointer)outbufptr;
return unconv_num;
}
/* -------------------------------------------------------------------------- */
/* 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) Xmalloc(sizeof(XlcConvRec));
if (conv == NULL)
return (XlcConv) NULL;
conv->methods = (XlcConvMethods) Xmalloc(sizeof(XlcConvMethodsRec));
if (conv->methods == NULL){
close_converter(conv);
return (XlcConv) NULL;
}
*conv->methods = *methods;
if (XLC_PUBLIC(lcd, is_state_depend))
conv->methods->reset = init_state;
conv->state = (XPointer) Xmalloc(sizeof(StateRec));
if (conv->state == NULL){
close_converter(conv);
return (XlcConv) NULL;
}
bzero((char *) conv->state, sizeof(StateRec));
state = (State) conv->state;
state->lcd = lcd;
init_state(conv);
return conv;
}
static XlcConvMethodsRec mbstowcs_methods = {
close_converter,
mbstowcs_org,
NULL
} ;
static XlcConv
open_mbstowcs(XLCd from_lcd, char *from_type, XLCd to_lcd, char *to_type)
{
return create_conv(from_lcd, &mbstowcs_methods);
}
static XlcConvMethodsRec mbstocts_methods = {
close_converter,
mbstocts,
NULL
} ;
static XlcConv
open_mbstocts(XLCd from_lcd, char *from_type, XLCd to_lcd, 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, char *from_type, XLCd to_lcd, 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, char *from_type, XLCd to_lcd, 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, char *from_type, XLCd to_lcd, char *to_type)
{
return create_conv(from_lcd, &mbtocs_methods);
}
static XlcConvMethodsRec wcstombs_methods = {
close_converter,
wcstombs_org,
NULL
} ;
static XlcConv
open_wcstombs(XLCd from_lcd, char *from_type, XLCd to_lcd, 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, char *from_type, XLCd to_lcd, 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, char *from_type, XLCd to_lcd, 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, char *from_type, XLCd to_lcd, 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, char *from_type, XLCd to_lcd, char *to_type)
{
return create_conv(from_lcd, &wctocs_methods);
}
static XlcConvMethodsRec ctstombs_methods = {
close_converter,
ctstombs,
NULL
} ;
static XlcConv
open_ctstombs(XLCd from_lcd, char *from_type, XLCd to_lcd, char *to_type)
{
return create_conv(from_lcd, &ctstombs_methods);
}
static XlcConvMethodsRec ctstowcs_methods = {
close_converter,
ctstowcs,
NULL
} ;
static XlcConv
open_ctstowcs(XLCd from_lcd, char *from_type, XLCd to_lcd, char *to_type)
{
return create_conv(from_lcd, &ctstowcs_methods);
}
static XlcConvMethodsRec strtombs_methods = {
close_converter,
strtombs,
NULL
} ;
static XlcConv
open_strtombs(XLCd from_lcd, char *from_type, XLCd to_lcd, char *to_type)
{
return create_conv(from_lcd, &strtombs_methods);
}
static XlcConvMethodsRec strtowcs_methods = {
close_converter,
strtowcs,
NULL
} ;
static XlcConv
open_strtowcs(XLCd from_lcd, char *from_type, XLCd to_lcd, char *to_type)
{
return create_conv(from_lcd, &strtowcs_methods);
}
/* -------------------------------------------------------------------------- */
/* Loader */
/* -------------------------------------------------------------------------- */
XLCd
_fallcGenericLoader(char *name)
{
XLCd lcd;
lcd = _fallcCreateLC(name, _fallcGenericMethods);
if (lcd == NULL)
return lcd;
_fallcSetConverter(lcd, XlcNMultiByte, lcd, XlcNWideChar, open_mbstowcs);
_fallcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCompoundText, open_mbstocts);
_fallcSetConverter(lcd, XlcNMultiByte, lcd, XlcNString, open_mbstostr);
_fallcSetConverter(lcd, XlcNMultiByte, lcd, XlcNCharSet, open_mbstocs);
_fallcSetConverter(lcd, XlcNMultiByte, lcd, XlcNChar, open_mbtocs);
_fallcSetConverter(lcd, XlcNWideChar, lcd, XlcNMultiByte, open_wcstombs);
_fallcSetConverter(lcd, XlcNWideChar, lcd, XlcNCompoundText, open_wcstocts);
_fallcSetConverter(lcd, XlcNWideChar, lcd, XlcNString, open_wcstostr);
_fallcSetConverter(lcd, XlcNWideChar, lcd, XlcNCharSet, open_wcstocs);
_fallcSetConverter(lcd, XlcNWideChar, lcd, XlcNChar, open_wctocs);
_fallcSetConverter(lcd, XlcNCompoundText, lcd, XlcNMultiByte, open_ctstombs);
_fallcSetConverter(lcd, XlcNCompoundText, lcd, XlcNWideChar, open_ctstowcs);
_fallcSetConverter(lcd, XlcNString, lcd, XlcNMultiByte, open_strtombs);
_fallcSetConverter(lcd, XlcNString, lcd, XlcNWideChar, open_strtowcs);
return lcd;
}
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