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-rw-r--r--libwc/wtf.c598
1 files changed, 598 insertions, 0 deletions
diff --git a/libwc/wtf.c b/libwc/wtf.c
new file mode 100644
index 0000000..b8cfdc7
--- /dev/null
+++ b/libwc/wtf.c
@@ -0,0 +1,598 @@
+
+#include "wc.h"
+#include "wtf.h"
+#include "sjis.h"
+#include "big5.h"
+#include "hkscs.h"
+#include "johab.h"
+#include "jis.h"
+#include "viet.h"
+#include "gbk.h"
+#include "gb18030.h"
+#include "uhc.h"
+#ifdef USE_UNICODE
+#include "ucs.h"
+#include "utf8.h"
+#endif
+
+wc_uint8 WTF_WIDTH_MAP[ 0x100 ] = {
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+
+ 1,2,1,2,1,1,1,2, 1,2,1,2,1,1,1,1, 0,0,0,0,0,0,0,0, 0,0,0,0,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+};
+
+wc_uint8 WTF_LEN_MAP[ 0x100 ] = {
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+
+ 3,4,3,4,3,3,3,4, 4,4,6,6,1,1,1,1, 3,4,3,4,3,3,3,4, 4,4,6,6,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+};
+
+wc_uint8 WTF_TYPE_MAP[ 0x100 ] = {
+ 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,
+
+ 2, 0xA,2, 0xA, 2, 0x12,2, 0xA, 2, 0xA,2, 0xA, 0x20,0x20,0x20,0x20,
+ 4, 0xC,4, 0xC, 4, 0x20,4, 0xC, 4, 0xC,4, 0xC, 0x20,0x20,0x20,0x20,
+ 0x20,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,
+ 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,
+ 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,
+};
+
+static wc_uint16 CCS_MAP[ 33 ] = {
+ WC_CCS_A_CS94 >> 8, WC_CCS_A_CS94W >> 8,
+ WC_CCS_A_CS96 >> 8, WC_CCS_A_CS96W >> 8,
+ WC_CCS_A_CS942 >> 8, WC_CCS_A_UNKNOWN >> 8,
+ WC_CCS_A_PCS >> 8, WC_CCS_A_PCSW >> 8,
+ WC_CCS_A_WCS16 >> 8, WC_CCS_A_WCS16W >> 8,
+ WC_CCS_A_WCS32 >> 8, WC_CCS_A_WCS32W >> 8,
+ 0, 0,
+ 0, 0,
+ WC_CCS_A_CS94_C >> 8, WC_CCS_A_CS94W_C >> 8,
+ WC_CCS_A_CS96_C >> 8, WC_CCS_A_CS96W_C >> 8,
+ WC_CCS_A_CS942_C >> 8, 0,
+ WC_CCS_A_PCS_C >> 8, WC_CCS_A_PCSW_C >> 8,
+ WC_CCS_A_WCS16_C >> 8, WC_CCS_A_WCS16W_C >> 8,
+ WC_CCS_A_WCS32_C >> 8, WC_CCS_A_WCS32W_C >> 8,
+ 0, 0,
+ 0, 0,
+ 0,
+};
+
+wc_ccs wtf_gr_ccs = 0;
+static wc_ces wtf_major_ces = WC_CES_US_ASCII;
+static wc_status wtf_major_st;
+
+void
+wtf_init(wc_ces ces1, wc_ces ces2)
+{
+ int i;
+ wc_gset *gset;
+
+ if (wc_check_ces(ces2))
+ wtf_major_ces = ces2;
+
+ if (! wc_check_ces(ces1))
+ return;
+ gset = WcCesInfo[WC_CES_INDEX(ces1)].gset;
+ if (gset == NULL || gset[1].ccs == 0 ||
+ gset[1].ccs & (WC_CCS_A_WCS16|WC_CCS_A_WCS32))
+ return;
+ wtf_gr_ccs = gset[1].ccs;
+
+ if (WC_CCS_IS_WIDE(wtf_gr_ccs)) {
+ for (i = 0xa1; i <= 0xff; i++) {
+ WTF_WIDTH_MAP[i] = 2;
+ WTF_LEN_MAP[i] = 2;
+ WTF_TYPE_MAP[i] = WTF_TYPE_WCHAR1W;
+ }
+ } else {
+ for (i = 0xa1; i <= 0xff; i++) {
+ WTF_WIDTH_MAP[i] = 1;
+ WTF_LEN_MAP[i] = 1;
+ WTF_TYPE_MAP[i] = WTF_TYPE_WCHAR1;
+ }
+ }
+}
+
+/*
+int
+wtf_width(wc_uchar *p)
+{
+ return (int)WTF_WIDTH_MAP[*p];
+}
+*/
+
+int
+wtf_strwidth(wc_uchar *p)
+{
+ int w = 0;
+
+ while (*p) {
+ w += wtf_width(p);
+ p += WTF_LEN_MAP[*p];
+ }
+ return w;
+}
+
+/*
+size_t
+wtf_len1(wc_uchar *p)
+{
+ return (size_t)WTF_LEN_MAP[*p];
+}
+*/
+
+size_t
+wtf_len(wc_uchar *p)
+{
+ wc_uchar *q = p;
+
+ q += WTF_LEN_MAP[*q];
+ while (*q && ! WTF_WIDTH_MAP[*q])
+ q += WTF_LEN_MAP[*q];
+ return q - p;
+}
+
+/*
+int
+wtf_type(wc_uchar *p)
+{
+ return (int)WTF_TYPE_MAP[*p];
+}
+*/
+
+#define wcs16_to_wtf(c, p) \
+ ((p)[0] = (((c) >> 14) & 0x03) | 0x80), \
+ ((p)[1] = (((c) >> 7) & 0x7f) | 0x80), \
+ ((p)[2] = ( (c) & 0x7f) | 0x80)
+#define wcs32_to_wtf(c, p) \
+ ((p)[0] = (((c) >> 28) & 0x0f) | 0x80), \
+ ((p)[1] = (((c) >> 21) & 0x7f) | 0x80), \
+ ((p)[2] = (((c) >> 14) & 0x7f) | 0x80), \
+ ((p)[3] = (((c) >> 7) & 0x7f) | 0x80), \
+ ((p)[4] = ( (c) & 0x7f) | 0x80)
+#define wtf_to_wcs16(p) \
+ ((wc_uint32)((p)[0] & 0x03) << 14) \
+ | ((wc_uint32)((p)[1] & 0x7f) << 7) \
+ | ((wc_uint32)((p)[2] & 0x7f) )
+#define wtf_to_wcs32(p) \
+ ((wc_uint32)((p)[0] & 0x0f) << 28) \
+ | ((wc_uint32)((p)[1] & 0x7f) << 21) \
+ | ((wc_uint32)((p)[2] & 0x7f) << 14) \
+ | ((wc_uint32)((p)[3] & 0x7f) << 7) \
+ | ((wc_uint32)((p)[4] & 0x7f) )
+
+void
+wtf_push(Str os, wc_ccs ccs, wc_uint32 code)
+{
+ wc_uchar s[8];
+ wc_wchar_t cc, cc2;
+ size_t n;
+
+ if (ccs == WC_CCS_US_ASCII) {
+ Strcat_char(os, (char)(code & 0x7f));
+ return;
+ }
+ cc.ccs = ccs;
+ cc.code = code;
+ if (WcOption.pre_conv && !(cc.ccs & WC_CCS_A_UNKNOWN)) {
+ if ((ccs == WC_CCS_JOHAB || ccs == WC_CCS_JOHAB_1 ||
+ ccs == WC_CCS_JOHAB_2 || ccs == WC_CCS_JOHAB_3) &&
+ (wtf_major_ces == WC_CES_EUC_KR ||
+ wtf_major_ces == WC_CES_ISO_2022_KR)) {
+ cc2 = wc_johab_to_ksx1001(cc);
+ if (!WC_CCS_IS_UNKNOWN(cc2.ccs))
+ cc = cc2;
+ } else if (ccs == WC_CCS_KS_X_1001 &&
+ wtf_major_ces == WC_CES_JOHAB) {
+ cc2 = wc_ksx1001_to_johab(cc);
+ if (!WC_CCS_IS_UNKNOWN(cc2.ccs))
+ cc = cc2;
+ }
+#ifdef USE_UNICODE
+ else if (WcOption.ucs_conv) {
+ wc_bool fix_width_conv = WcOption.fix_width_conv;
+ WcOption.fix_width_conv = WC_FALSE;
+ wc_output_init(wtf_major_ces, &wtf_major_st);
+ if (! wc_ces_has_ccs(WC_CCS_SET(ccs), &wtf_major_st)) {
+ cc2 = wc_any_to_any_ces(cc, &wtf_major_st);
+ if (cc2.ccs == WC_CCS_US_ASCII) {
+ Strcat_char(os, (char)(cc2.code & 0x7f));
+ return;
+ }
+ if (!WC_CCS_IS_UNKNOWN(cc2.ccs) &&
+ cc2.ccs != WC_CCS_CP1258_2 &&
+ cc2.ccs != WC_CCS_TCVN_5712_3)
+ cc = cc2;
+ }
+ WcOption.fix_width_conv = fix_width_conv;
+ }
+#endif
+ }
+
+ switch (WC_CCS_TYPE(cc.ccs)) {
+ case WC_CCS_A_CS94:
+ if (cc.ccs == wtf_gr_ccs) {
+ s[0] = (cc.code & 0x7f) | 0x80;
+ n = 1;
+ break;
+ }
+ if (cc.ccs == WC_CCS_JIS_X_0201K && !WcOption.use_jisx0201k) {
+ cc2 = wc_jisx0201k_to_jisx0208(cc);
+ if (!WC_CCS_IS_UNKNOWN(cc2.ccs)) {
+ wtf_push(os, cc2.ccs, cc2.code);
+ return;
+ }
+ }
+ s[0] = WTF_C_CS94;
+ s[1] = WC_CCS_INDEX(cc.ccs) | 0x80;
+ s[2] = (cc.code & 0x7f) | 0x80;
+ n = 3;
+ break;
+ case WC_CCS_A_CS94W:
+ if (cc.ccs == wtf_gr_ccs) {
+ s[0] = ((cc.code >> 8) & 0x7f) | 0x80;
+ s[1] = ( cc.code & 0x7f) | 0x80;
+ n = 2;
+ break;
+ }
+ s[0] = WTF_C_CS94W;
+ s[1] = WC_CCS_INDEX(cc.ccs) | 0x80;
+ s[2] = ((cc.code >> 8) & 0x7f) | 0x80;
+ s[3] = ( cc.code & 0x7f) | 0x80;
+ n = 4;
+ break;
+ case WC_CCS_A_CS96:
+ if (WcOption.use_combining && wc_is_combining(cc))
+ s[0] = WTF_C_CS96_C;
+ else if (cc.ccs == wtf_gr_ccs && (cc.code & 0x7f) > 0x20) {
+ s[0] = (cc.code & 0x7f) | 0x80;
+ n = 1;
+ break;
+ } else
+ s[0] = WTF_C_CS96;
+ s[1] = WC_CCS_INDEX(cc.ccs) | 0x80;
+ s[2] = (cc.code & 0x7f) | 0x80;
+ n = 3;
+ break;
+ case WC_CCS_A_CS96W:
+ if (cc.ccs == wtf_gr_ccs && ((cc.code >> 8) & 0x7f) > 0x20) {
+ s[0] = ((cc.code >> 8) & 0x7f) | 0x80;
+ s[1] = ( cc.code & 0x7f) | 0x80;
+ n = 2;
+ break;
+ }
+ s[0] = WTF_C_CS96W;
+ s[1] = WC_CCS_INDEX(cc.ccs) | 0x80;
+ s[2] = ((cc.code >> 8) & 0x7f) | 0x80;
+ s[3] = ( cc.code & 0x7f) | 0x80;
+ n = 4;
+ break;
+ case WC_CCS_A_CS942:
+ if (cc.ccs == wtf_gr_ccs) {
+ s[0] = (cc.code & 0x7f) | 0x80;
+ n = 1;
+ break;
+ }
+ s[0] = WTF_C_CS942;
+ s[1] = WC_CCS_INDEX(cc.ccs) | 0x80;
+ s[2] = (cc.code & 0x7f) | 0x80;
+ n = 3;
+ break;
+ case WC_CCS_A_PCS:
+ if (WcOption.use_combining && wc_is_combining(cc))
+ s[0] = WTF_C_PCS_C;
+ else if (cc.ccs == wtf_gr_ccs && (cc.code & 0x7f) > 0x20) {
+ s[0] = (cc.code & 0x7f) | 0x80;
+ n = 1;
+ break;
+ } else
+ s[0] = WTF_C_PCS;
+ s[1] = WC_CCS_INDEX(cc.ccs) | 0x80;
+ s[2] = (cc.code & 0x7f) | 0x80;
+ n = 3;
+ break;
+ case WC_CCS_A_PCSW:
+ switch (cc.ccs) {
+ case WC_CCS_SJIS_EXT:
+ cc = wc_sjis_ext_to_cs94w(cc);
+ break;
+ case WC_CCS_GBK:
+ cc = wc_gbk_to_cs128w(cc);
+ break;
+ case WC_CCS_GBK_EXT:
+ cc = wc_gbk_ext_to_cs128w(cc);
+ break;
+ case WC_CCS_BIG5:
+ cc = wc_big5_to_cs94w(cc);
+ break;
+ case WC_CCS_HKSCS:
+ cc = wc_hkscs_to_cs128w(cc);
+ break;
+ case WC_CCS_JOHAB:
+ cc = wc_johab_to_cs128w(cc);
+ break;
+ case WC_CCS_UHC:
+ cc = wc_uhc_to_cs128w(cc);
+ break;
+ }
+ if (cc.ccs == wtf_gr_ccs && ((cc.code >> 8) & 0x7f) > 0x20) {
+ s[0] = ((cc.code >> 8) & 0x7f) | 0x80;
+ s[1] = ( cc.code & 0x7f) | 0x80;
+ n = 2;
+ break;
+ }
+ s[0] = WTF_C_PCSW;
+ s[1] = WC_CCS_INDEX(cc.ccs) | 0x80;
+ s[2] = ((cc.code >> 8) & 0x7f) | 0x80;
+ s[3] = ( cc.code & 0x7f) | 0x80;
+ n = 4;
+ break;
+ case WC_CCS_A_WCS16:
+ s[0] = (WC_CCS_IS_WIDE(cc.ccs) ? WTF_C_WCS16W : WTF_C_WCS16)
+ | (WC_CCS_IS_COMB(cc.ccs) ? WTF_C_COMB : 0);
+ wcs16_to_wtf(cc.code, s + 1);
+ s[1] |= (WC_CCS_INDEX(cc.ccs) << 2);
+ n = 4;
+ break;
+ case WC_CCS_A_WCS32:
+ s[0] = (WC_CCS_IS_WIDE(cc.ccs) ? WTF_C_WCS32W : WTF_C_WCS32)
+ | (WC_CCS_IS_COMB(cc.ccs) ? WTF_C_COMB : 0);
+ wcs32_to_wtf(cc.code, s + 1);
+ s[1] |= (WC_CCS_INDEX(cc.ccs) << 4);
+ n = 6;
+ break;
+ default:
+ s[0] = WTF_C_UNKNOWN;
+ s[1] = WC_CCS_INDEX(cc.ccs) | 0x80;
+ s[2] = (cc.code & 0x7f) | 0x80;
+ n = 3;
+ break;
+ }
+ Strcat_charp_n(os, (char *)s, n);
+}
+
+void
+wtf_push_unknown(Str os, wc_uchar *p, size_t len)
+{
+ for (; len--; p++) {
+ if (*p & 0x80)
+ wtf_push(os, WC_CCS_UNKNOWN, *p);
+ else
+ Strcat_char(os, (char)*p);
+ }
+}
+
+wc_wchar_t
+wtf_parse1(wc_uchar **p)
+{
+ wc_uchar *q = *p;
+ wc_wchar_t cc;
+
+ if (*q < 0x80) {
+ cc.ccs = WC_CCS_US_ASCII;
+ cc.code = *(q++);
+ } else if (*q > 0xa0) {
+ cc.ccs = wtf_gr_ccs;
+ if (WC_CCS_IS_WIDE(cc.ccs)) {
+ cc.code = ((wc_uint32)*q << 8) | *(q+1);
+ q += 2;
+ } else
+ cc.code = *(q++);
+ } else {
+ cc.ccs = (wc_uint32)CCS_MAP[*(q++) - 0x80] << 8;
+ switch (WC_CCS_TYPE(cc.ccs)) {
+ case WC_CCS_A_CS94:
+ case WC_CCS_A_CS96:
+ case WC_CCS_A_CS942:
+ case WC_CCS_A_PCS:
+ case WC_CCS_A_UNKNOWN:
+ cc.ccs |= *(q++) & 0x7f;
+ cc.code = *(q++);
+ break;
+ case WC_CCS_A_CS94W:
+ case WC_CCS_A_CS96W:
+ case WC_CCS_A_PCSW:
+ cc.ccs |= *(q++) & 0x7f;
+ cc.code = ((wc_uint32)*q << 8) | *(q+1);
+ q += 2;
+ break;
+ case WC_CCS_A_WCS16:
+ case WC_CCS_A_WCS16W:
+ cc.ccs |= (*q & 0x7c) >> 2;
+ cc.code = wtf_to_wcs16(q);
+ q += 3;
+ break;
+ case WC_CCS_A_WCS32:
+ case WC_CCS_A_WCS32W:
+ cc.ccs |= (*q & 0x70) >> 4;
+ cc.code = wtf_to_wcs32(q);
+ q += 5;
+ break;
+ default:
+ /* case 0: */
+ cc.ccs = WC_CCS_US_ASCII;
+ cc.code = (wc_uint32)' ';
+ break;
+ }
+ }
+
+ *p = q;
+ switch (cc.ccs) {
+ case WC_CCS_SJIS_EXT_1:
+ case WC_CCS_SJIS_EXT_2:
+ return wc_cs94w_to_sjis_ext(cc);
+ case WC_CCS_GBK_1:
+ case WC_CCS_GBK_2:
+ return wc_cs128w_to_gbk(cc);
+ case WC_CCS_GBK_EXT_1:
+ case WC_CCS_GBK_EXT_2:
+ return wc_cs128w_to_gbk_ext(cc);
+ case WC_CCS_BIG5_1:
+ case WC_CCS_BIG5_2:
+ return wc_cs94w_to_big5(cc);
+ case WC_CCS_HKSCS_1:
+ case WC_CCS_HKSCS_2:
+ return wc_cs128w_to_hkscs(cc);
+ case WC_CCS_JOHAB_1:
+ case WC_CCS_JOHAB_2:
+ case WC_CCS_JOHAB_3:
+ return wc_cs128w_to_johab(cc);
+ case WC_CCS_UHC_1:
+ case WC_CCS_UHC_2:
+ return wc_cs128w_to_uhc(cc);
+ }
+ return cc;
+}
+
+wc_wchar_t
+wtf_parse(wc_uchar **p)
+{
+ wc_uchar *q;
+ wc_wchar_t cc, cc2;
+ wc_uint32 ucs, ucs2;
+
+ if (**p < 0x80) {
+ cc.ccs = WC_CCS_US_ASCII;
+ cc.code = *((*p)++);
+ } else
+ cc = wtf_parse1(p);
+ if ((! WcOption.use_combining) || WTF_WIDTH_MAP[**p])
+ return cc;
+
+ q = *p;
+ cc2 = wtf_parse1(&q);
+ if ((cc.ccs == WC_CCS_US_ASCII || cc.ccs == WC_CCS_CP1258_1) &&
+ WC_CCS_SET(cc2.ccs) == WC_CCS_CP1258_1) {
+ cc2.code = wc_cp1258_precompose(cc.code, cc2.code);
+ if (cc2.code) {
+ cc2.ccs = WC_CCS_CP1258_2;
+ *p = q;
+ return cc2;
+ }
+ } else if ((cc.ccs == WC_CCS_US_ASCII || cc.ccs == WC_CCS_TCVN_5712_1) &&
+ WC_CCS_SET(cc2.ccs) == WC_CCS_TCVN_5712_1) {
+ cc2.code = wc_tcvn5712_precompose(cc.code, cc2.code);
+ if (cc2.code) {
+ cc2.ccs = WC_CCS_TCVN_5712_3;
+ *p = q;
+ return cc2;
+ }
+ }
+#ifdef USE_UNICODE
+ else if ((cc.ccs == WC_CCS_US_ASCII || cc.ccs == WC_CCS_ISO_8859_1 ||
+ WC_CCS_IS_UNICODE(cc.ccs)) && WC_CCS_IS_UNICODE(cc2.ccs)) {
+ while (1) {
+ ucs = (WC_CCS_SET(cc.ccs) == WC_CCS_UCS_TAG)
+ ? wc_ucs_tag_to_ucs(cc.code) : cc.code;
+ ucs2 = (WC_CCS_SET(cc2.ccs) == WC_CCS_UCS_TAG)
+ ? wc_ucs_tag_to_ucs(cc2.code) : cc2.code;
+ ucs = wc_ucs_precompose(ucs, ucs2);
+ if (ucs == WC_C_UCS4_ERROR)
+ break;
+ if (WC_CCS_SET(cc.ccs) == WC_CCS_UCS_TAG)
+ cc.code = wc_ucs_to_ucs_tag(ucs, wc_ucs_tag_to_tag(cc.code));
+ else {
+ cc.ccs = wc_ucs_to_ccs(ucs);
+ cc.code = ucs;
+ }
+ *p = q;
+ if (! WTF_WIDTH_MAP[*q])
+ break;
+ cc2 = wtf_parse1(&q);
+ if (! WC_CCS_IS_UNICODE(cc2.ccs))
+ break;
+ }
+ }
+#endif
+ return cc;
+}
+
+wc_ccs
+wtf_get_ccs(wc_uchar *p)
+{
+ return wtf_parse1(&p).ccs;
+}
+
+wc_uint32
+wtf_get_code(wc_uchar *p)
+{
+ return wtf_parse1(&p).code;
+}
+
+wc_bool
+wtf_is_hangul(wc_uchar *p)
+{
+ if (*p > 0xa0)
+ return (wtf_gr_ccs == WC_CCS_KS_X_1001 || wtf_gr_ccs == WC_CCS_JOHAB_1);
+ else if (*p == WTF_C_CS94W)
+ return ((*(p + 1) & 0x7f) == WC_F_KS_X_1001);
+ else if (*p == WTF_C_PCSW) {
+ wc_uchar f = *(p + 1) & 0x7f;
+ return (f == WC_F_JOHAB_1 || f == WC_F_JOHAB_2 || f == WC_F_JOHAB_3 ||
+ f == WC_F_UHC_1 || f == WC_F_UHC_2);
+ }
+#ifdef USE_UNICODE
+ else if (*p == WTF_C_WCS16W) {
+ wc_uchar f = (*(++p) & 0x7f) >> 2;
+ if (f == WC_F_UCS2)
+ return wc_is_ucs_hangul(wtf_to_wcs16(p));
+ } else if (*p == WTF_C_WCS32W) {
+ wc_uchar f = (*(++p) & 0x7f) >> 4;
+ if (f == WC_F_UCS_TAG)
+ return wc_is_ucs_hangul(wc_ucs_tag_to_ucs(wtf_to_wcs32(p)));
+ }
+#endif
+ return WC_FALSE;
+}
+
+char *
+wtf_conv_fit(char *s, wc_ces ces)
+{
+ wc_uchar *p;
+ Str os;
+ wc_wchar_t cc;
+ wc_ces major_ces;
+ wc_bool pre_conv, ucs_conv;
+
+ if (ces == WC_CES_WTF || ces == WC_CES_US_ASCII)
+ return s;
+
+ for (p = (wc_uchar *)s; *p && *p < 0x80; p++)
+ ;
+ if (! *p)
+ return s;
+
+ os = Strnew_size(strlen(s));
+ if (p > (wc_uchar *)s)
+ Strcopy_charp_n(os, s, (int)(p - (wc_uchar *)s));
+
+ major_ces = wtf_major_ces;
+ pre_conv = WcOption.pre_conv;
+ ucs_conv = WcOption.ucs_conv;
+ wtf_major_ces = ces;
+ WcOption.pre_conv = WC_TRUE;
+ WcOption.ucs_conv = WC_TRUE;
+ while (*p) {
+ cc = wtf_parse1(&p);
+ wtf_push(os, cc.ccs, cc.code);
+ }
+ wtf_major_ces = major_ces;
+ WcOption.pre_conv = pre_conv;
+ WcOption.ucs_conv = ucs_conv;
+ return os->ptr;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 19:14:19 +0000