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symbol.c
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symbol.c
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#include "fm.h"
#include "Symbols/alt.sym"
#include "Symbols/graph.sym"
#ifdef USE_M17N
#include "Symbols/eucjp.sym"
#include "Symbols/euckr.sym"
#include "Symbols/euccn.sym"
#include "Symbols/euctw.sym"
#include "Symbols/big5.sym"
#ifdef USE_UNICODE
#include "Symbols/utf8.sym"
#endif
#include "Symbols/cp850.sym"
typedef struct {
wc_ces ces;
char width;
char **item;
char **conved_item;
} symbol_set;
typedef struct {
wc_ces charset;
symbol_set *symbol;
} charset_symbol_set;
/* *INDENT-OFF* */
static symbol_set alt_symbol_set = { WC_CES_US_ASCII, 1, alt_symbol, alt_symbol };
static symbol_set alt2_symbol_set = { WC_CES_US_ASCII, 2, alt2_symbol, alt2_symbol };
static symbol_set eucjp_symbol_set = { WC_CES_EUC_JP, 2, eucjp_symbol, NULL };
static symbol_set euckr_symbol_set = { WC_CES_EUC_KR, 2, euckr_symbol, NULL };
static symbol_set euccn_symbol_set = { WC_CES_EUC_CN, 2, euccn_symbol, NULL };
static symbol_set euctw_symbol_set = { WC_CES_EUC_TW, 2, euctw_symbol, NULL };
static symbol_set big5_symbol_set = { WC_CES_BIG5, 2, big5_symbol, NULL };
#ifdef USE_UNICODE
static symbol_set utf8_symbol_set = { WC_CES_UTF_8, 1, utf8_symbol, NULL };
#endif
static symbol_set cp850_symbol_set = { WC_CES_CP850, 1, cp850_symbol, NULL };
static charset_symbol_set charset_symbol_list[] = {
{ WC_CES_EUC_JP, &eucjp_symbol_set },
{ WC_CES_SHIFT_JIS, &eucjp_symbol_set },
{ WC_CES_ISO_2022_JP, &eucjp_symbol_set },
{ WC_CES_ISO_2022_JP_2, &eucjp_symbol_set },
{ WC_CES_ISO_2022_JP_3, &eucjp_symbol_set },
{ WC_CES_EUC_KR, &euckr_symbol_set },
{ WC_CES_ISO_2022_KR, &euckr_symbol_set },
{ WC_CES_JOHAB, &euckr_symbol_set },
{ WC_CES_UHC, &euckr_symbol_set },
{ WC_CES_EUC_CN, &euccn_symbol_set },
{ WC_CES_GBK, &euccn_symbol_set },
{ WC_CES_GB18030, &euccn_symbol_set },
{ WC_CES_HZ_GB_2312, &euccn_symbol_set },
{ WC_CES_ISO_2022_CN, &euccn_symbol_set },
{ WC_CES_EUC_TW, &euctw_symbol_set },
{ WC_CES_BIG5, &big5_symbol_set },
{ WC_CES_HKSCS, &big5_symbol_set },
#ifdef USE_UNICODE
{ WC_CES_UTF_8, &utf8_symbol_set },
#endif
{ WC_CES_CP850, &cp850_symbol_set },
{ 0, NULL },
};
/* *INDENT-ON* */
static wc_ces save_charset = 0;
static symbol_set *save_symbol = NULL;
static void
encode_symbol(symbol_set * s)
{
int i;
for (i = 0; s->item[i]; i++) ;
s->conved_item = New_N(char *, i);
for (i = 0; s->item[i]; i++) {
if (*(s->item[i]))
s->conved_item[i] = wc_conv(s->item[i], s->ces, InnerCharset)->ptr;
}
}
char **
get_symbol(wc_ces charset, int *width)
{
charset_symbol_set *p;
symbol_set *s = NULL;
if (UseGraphicChar != GRAPHIC_CHAR_ASCII) {
if (charset == save_charset && save_symbol != NULL &&
*width == save_symbol->width) {
return save_symbol->conved_item;
}
save_charset = charset;
for (p = charset_symbol_list; p->charset; p++) {
if (charset == p->charset &&
(*width == 0 || *width == p->symbol->width)) {
s = p->symbol;
break;
}
}
if (s == NULL)
s = (*width == 2) ? &alt2_symbol_set : &alt_symbol_set;
if (s != save_symbol) {
if (!s->conved_item)
encode_symbol(s);
save_symbol = s;
}
} else {
if (save_symbol != NULL && *width == save_symbol->width)
return save_symbol->conved_item;
s = (*width == 2) ? &alt2_symbol_set : &alt_symbol_set;
save_symbol = s;
}
*width = s->width;
return s->conved_item;
}
char **
set_symbol(int width)
{
static char **symbol_buf = NULL;
static int save_width = -1;
symbol_set *s = &alt_symbol_set;
int i;
Str tmp;
if (width == save_width)
return symbol_buf;
if (symbol_buf == NULL) {
for (i = 0; s->item[i]; i++) ;
symbol_buf = New_N(char *, i);
}
for (i = 0; s->item[i]; i++) {
tmp = Strnew_size(4);
if (width == 2)
wtf_push(tmp, WC_CCS_SPECIAL_W, (wc_uint32) (SYMBOL_BASE + i));
else
wtf_push(tmp, WC_CCS_SPECIAL, (wc_uint32) (SYMBOL_BASE + i));
symbol_buf[i] = tmp->ptr;
}
save_width = width;
return symbol_buf;
}
#ifdef USE_UNICODE
void
update_utf8_symbol(void)
{
charset_symbol_set *p;
utf8_symbol_set.width = WcOption.east_asian_width ? 2 : 1;
for (p = charset_symbol_list; p->charset; p++) {
if (p->charset == WC_CES_UTF_8) {
encode_symbol(p->symbol);
break;
}
}
}
#endif
#else
char **
get_symbol(void)
{
return alt_symbol;
}
#endif
void
push_symbol(Str str, char symbol, int width, int n)
{
char buf[2], *p;
int i;
#ifdef USE_M17N
if (width == 2)
p = alt2_symbol[(int)symbol];
else
#endif
p = alt_symbol[(int)symbol];
for (i = 0; i < 2 && *p; i++, p++)
buf[i] = (*p == ' ') ? NBSP_CODE : *p;
Strcat(str, Sprintf("<_SYMBOL TYPE=%d>", symbol));
for (; n > 0; n--)
Strcat_charp_n(str, buf, i);
Strcat_charp(str, "</_SYMBOL>");
}