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authorTatsuya Kinoshita <tats@vega.ocn.ne.jp>2011-05-04 07:18:09 +0000
committerTatsuya Kinoshita <tats@vega.ocn.ne.jp>2011-05-04 07:18:09 +0000
commit5f8e0f8ef9a422691dd72e8a953a42a41478fcb4 (patch)
tree4b2df4796a534793648b3c4fc532fc36bd0cd525 /libwc/iso2022.c
parentReleasing debian version 0.3-2.4 (diff)
downloadw3m-5f8e0f8ef9a422691dd72e8a953a42a41478fcb4.tar.gz
w3m-5f8e0f8ef9a422691dd72e8a953a42a41478fcb4.zip
Releasing debian version 0.5.1-1debian/0.5.1-1
Diffstat (limited to '')
-rw-r--r--libwc/iso2022.c1059
1 files changed, 1059 insertions, 0 deletions
diff --git a/libwc/iso2022.c b/libwc/iso2022.c
new file mode 100644
index 0000000..33d9a19
--- /dev/null
+++ b/libwc/iso2022.c
@@ -0,0 +1,1059 @@
+
+#include "wc.h"
+#include "iso2022.h"
+#include "jis.h"
+#include "big5.h"
+#include "johab.h"
+#include "wtf.h"
+#ifdef USE_UNICODE
+#include "ucs.h"
+#endif
+
+#define C0 WC_ISO_MAP_C0
+#define C1 WC_ISO_MAP_C1
+#define GL WC_ISO_MAP_GL
+#define GR WC_ISO_MAP_GR
+#define GL2 WC_ISO_MAP_GL96
+#define GR2 WC_ISO_MAP_GR96
+#define SO WC_ISO_MAP_SO
+#define SI WC_ISO_MAP_SI
+#define ESC WC_ISO_MAP_ESC
+#define SS2 WC_ISO_MAP_SS2
+#define SS3 WC_ISO_MAP_SS3
+
+wc_uint8 WC_ISO_MAP[ 0x100 ] = {
+ C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, SO, SI,
+ C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, ESC,C0, C0, C0, C0,
+ GL2,GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
+ GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
+ GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
+ GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
+ GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
+ GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL2,
+
+ C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, SS2,SS3,
+ C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1,
+ GR2,GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR,
+ GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR,
+ GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR,
+ GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR,
+ GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR,
+ GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR, GR2,
+};
+
+static wc_uchar cs94_gmap[ 0x80 - WC_F_ISO_BASE ];
+static wc_uchar cs94w_gmap[ 0x80 - WC_F_ISO_BASE ];
+static wc_uchar cs96_gmap[ 0x80 - WC_F_ISO_BASE ];
+static wc_uchar cs96w_gmap[ 0x80 - WC_F_ISO_BASE ];
+static wc_uchar cs942_gmap[ 0x80 - WC_F_ISO_BASE ];
+
+static void
+wtf_push_iso2022(Str os, wc_ccs ccs, wc_uint32 code)
+{
+ switch (ccs) {
+ case WC_CCS_JIS_C_6226:
+ case WC_CCS_JIS_X_0208:
+ case WC_CCS_JIS_X_0213_1:
+ ccs = wc_jisx0208_or_jisx02131(code);
+ break;
+ case WC_CCS_JIS_X_0212:
+ case WC_CCS_JIS_X_0213_2:
+ ccs = wc_jisx0212_or_jisx02132(code);
+ break;
+ case WC_CCS_JIS_X_0201:
+ case WC_CCS_GB_1988:
+ ccs = WC_CCS_US_ASCII;
+ break;
+ }
+ wtf_push(os, ccs, code);
+}
+
+Str
+wc_conv_from_iso2022(Str is, wc_ces ces)
+{
+ Str os;
+ wc_uchar *sp = (wc_uchar *)is->ptr;
+ wc_uchar *ep = sp + is->length;
+ wc_uchar *p, *q = NULL;
+ int state = WC_ISO_NOSTATE;
+ wc_status st;
+ wc_ccs gl_ccs, gr_ccs;
+
+ for (p = sp; p < ep && !(WC_ISO_MAP[*p] & WC_ISO_MAP_DETECT); p++)
+ ;
+ if (p == ep)
+ return is;
+ os = Strnew_size(is->length);
+ if (p > sp)
+ Strcat_charp_n(os, is->ptr, (int)(p - sp));
+
+ wc_input_init(ces, &st);
+ gl_ccs = st.design[st.gl];
+ gr_ccs = st.design[st.gr];
+
+ for (; p < ep; p++) {
+ switch (state) {
+ case WC_ISO_NOSTATE:
+ switch (WC_ISO_MAP[*p]) {
+ case GL2:
+ gl_ccs = st.ss ? st.design[st.ss]
+ : st.design[st.gl];
+ if (!(WC_CCS_TYPE(gl_ccs) & WC_CCS_A_CS96)) {
+ Strcat_char(os, (char)*p);
+ break;
+ }
+ case GL:
+ gl_ccs = st.ss ? st.design[st.ss]
+ : st.design[st.gl];
+ if (WC_CCS_IS_WIDE(gl_ccs)) {
+ q = p;
+ state = WC_ISO_MBYTE1;
+ continue;
+ } else if (gl_ccs == WC_CES_US_ASCII)
+ Strcat_char(os, (char)*p);
+ else
+ wtf_push_iso2022(os, gl_ccs, (wc_uint32)*p);
+ break;
+ case GR2:
+ gr_ccs = st.ss ? st.design[st.ss]
+ : st.design[st.gr];
+ if (!(WC_CCS_TYPE(gr_ccs) & WC_CCS_A_CS96)) {
+ wtf_push_unknown(os, p, 1);
+ break;
+ }
+ case GR:
+ gr_ccs = st.ss ? st.design[st.ss]
+ : st.design[st.gr];
+ if (WC_CCS_IS_WIDE(gr_ccs)) {
+ q = p;
+ state = WC_EUC_MBYTE1;
+ continue;
+ } else if (gr_ccs)
+ wtf_push_iso2022(os, gr_ccs, (wc_uint32)*p);
+ else
+ wtf_push_unknown(os, p, 1);
+ break;
+ case C0:
+ Strcat_char(os, (char)*p);
+ break;
+ case C1:
+ wtf_push(os, WC_CCS_C1, (wc_uint32)*p);
+ break;
+ case ESC:
+ st.ss = 0;
+ if (wc_parse_iso2022_esc(&p, &st))
+ state = st.state;
+ else
+ Strcat_char(os, (char)*p);
+ continue;
+ case SI:
+ st.gl = 0;
+ break;
+ case SO:
+ st.gl = 1;
+ break;
+ case SS2:
+ if (! st.design[2]) {
+ wtf_push_unknown(os, p, 1);
+ break;
+ }
+ st.ss = 2;
+ continue;
+ case SS3:
+ if (! st.design[3]) {
+ wtf_push_unknown(os, p, 1);
+ break;
+ }
+ st.ss = 3;
+ continue;
+ }
+ break;
+ case WC_ISO_MBYTE1:
+ switch (WC_ISO_MAP[*p]) {
+ case GL2:
+ if (!(WC_CCS_TYPE(gl_ccs) & WC_CCS_A_CS96)) {
+ Strcat_char(os, (char)*q);
+ Strcat_char(os, (char)*p);
+ break;
+ }
+ case GL:
+ wtf_push_iso2022(os, gl_ccs, ((wc_uint32)*q << 8) | *p);
+ break;
+ default:
+ wtf_push_unknown(os, q, 2);
+ break;
+ }
+ break;
+ case WC_EUC_MBYTE1:
+ switch (WC_ISO_MAP[*p]) {
+ case GR2:
+ if (!(WC_CCS_TYPE(gr_ccs) & WC_CCS_A_CS96)) {
+ wtf_push_unknown(os, q, 2);
+ break;
+ }
+ case GR:
+ if (gr_ccs == WC_CCS_CNS_11643_X) {
+ state = WC_EUC_TW_MBYTE2;
+ continue;
+ }
+ wtf_push_iso2022(os, gr_ccs, ((wc_uint32)*q << 8) | *p);
+ break;
+ default:
+ wtf_push_unknown(os, q, 2);
+ break;
+ }
+ break;
+ case WC_EUC_TW_MBYTE2:
+ if (WC_ISO_MAP[*p] == GR) {
+ if (0xa1 <= *q && *q <= 0xa7) {
+ wtf_push_iso2022(os, WC_CCS_CNS_11643_1 + (*q - 0xa1),
+ ((wc_uint32)*(q+1) << 8) | *p);
+ break;
+ }
+ if (0xa8 <= *q && *q <= 0xb0) {
+ wtf_push_iso2022(os, WC_CCS_CNS_11643_8 + (*q - 0xa8),
+ ((wc_uint32)*(q+1) << 8) | *p);
+ break;
+ }
+ }
+ wtf_push_unknown(os, q, 3);
+ break;
+ case WC_ISO_CSWSR:
+ if (*p == WC_C_ESC && *(p+1) == WC_C_CSWSR) {
+ if (*(p+2) == WC_F_ISO_BASE) {
+ state = st.state = WC_ISO_NOSTATE;
+ p += 2;
+ continue;
+ } else if (*(p+2) > WC_F_ISO_BASE && *(p+2) <= 0x7e) {
+ p += 2;
+ continue;
+ }
+ }
+ wtf_push_unknown(os, p, 1);
+ continue;
+ case WC_ISO_CSWOSR:
+ wtf_push_unknown(os, p, ep - p);
+ return os;
+ break;
+ }
+ st.ss = 0;
+ state = WC_ISO_NOSTATE;
+ }
+ switch (state) {
+ case WC_ISO_MBYTE1:
+ case WC_EUC_MBYTE1:
+ wtf_push_unknown(os, p-1, 1);
+ break;
+ case WC_EUC_TW_MBYTE1:
+ wtf_push_unknown(os, p-2, 2);
+ break;
+ }
+ return os;
+}
+
+int
+wc_parse_iso2022_esc(wc_uchar **ptr, wc_status *st)
+{
+ wc_uchar *p = *ptr, state, f = 0, g = 0, cs = 0;
+
+ if (*p != WC_C_ESC)
+ return 0;
+ state = *p;
+ for (p++; *p && state; p++) {
+ switch (state) {
+ case WC_C_ESC: /* ESC */
+ switch (*p) {
+ case WC_C_MBCS: /* ESC '$' */
+ state = *p;
+ continue;
+ case WC_C_G0_CS94: /* ESC '(' */
+ case WC_C_G1_CS94: /* ESC ')' */
+ case WC_C_G2_CS94: /* ESC '*' */
+ case WC_C_G3_CS94: /* ESC '+' */
+ state = cs = WC_C_G0_CS94;
+ g = *p & 0x03;
+ continue;
+ case WC_C_G0_CS96: /* ESC ',' */ /* ISO 2022 does not permit */
+ case WC_C_G1_CS96: /* ESC '-' */
+ case WC_C_G2_CS96: /* ESC '.' */
+ case WC_C_G3_CS96: /* ESC '/' */
+ state = cs = WC_C_G0_CS96;
+ g = *p & 0x03;
+ continue;
+ case WC_C_C0: /* ESC '!' */ /* not suported */
+ case WC_C_C1: /* ESC '"' */ /* not suported */
+ case WC_C_REP: /* ESC '&' */ /* not suported */
+ state = cs = WC_C_C0;
+ continue;
+ case WC_C_CSWSR: /* ESC '%' */ /* not suported */
+ state = cs = WC_C_CSWSR;
+ continue;
+ case WC_C_SS2: /* ESC 'N' */
+ st->ss = 2; *ptr = p; return 1;
+ case WC_C_SS3: /* ESC 'O' */
+ st->ss = 3; *ptr = p; return 1;
+ case WC_C_LS2: /* ESC 'n' */
+ st->gl = 2; *ptr = p; return 1;
+ case WC_C_LS3: /* ESC 'o' */
+ st->gl = 3; *ptr = p; return 1;
+ case WC_C_LS1R: /* ESC '~' */
+ st->gr = 1; *ptr = p; return 1;
+ case WC_C_LS2R: /* ESC '}' */
+ st->gr = 2; *ptr = p; return 1;
+ case WC_C_LS3R: /* ESC '|' */
+ st->gr = 3; *ptr = p; return 1;
+ default:
+ return 0;
+ }
+ break;
+ case WC_C_MBCS: /* ESC '$' */
+ switch (*p) {
+ case WC_F_JIS_C_6226: /* ESC '$' @ */
+ case WC_F_JIS_X_0208: /* ESC '$' B */
+ case WC_F_GB_2312: /* ESC '$' A */
+ state = 0;
+ cs = WC_C_G0_CS94 | 0x80;
+ g = 0;
+ f = *p;
+ break;
+ case WC_C_G0_CS94: /* ESC '$' '(' */
+ case WC_C_G1_CS94: /* ESC '$' ')' */
+ case WC_C_G2_CS94: /* ESC '$' '*' */
+ case WC_C_G3_CS94: /* ESC '$' '+' */
+ state = cs = WC_C_G0_CS94 | 0x80;
+ g = *p & 0x03;
+ continue;
+ case WC_C_G0_CS96: /* ESC '$' ',' */ /* ISO 2022 does not permit */
+ case WC_C_G1_CS96: /* ESC '$' '-' */
+ case WC_C_G2_CS96: /* ESC '$' '.' */
+ case WC_C_G3_CS96: /* ESC '$' '/' */
+ state = cs = WC_C_G0_CS96 | 0x80;
+ g = *p & 0x03;
+ continue;
+ default:
+ return 0;
+ }
+ break;
+ case WC_C_G0_CS94: /* ESC [()*+] F */
+ if (*p == WC_C_CS942) { /* ESC [()*+] '!' */
+ state = cs = WC_C_CS942 | 0x80;
+ g = *p & 0x03;
+ continue;
+ }
+ case WC_C_G0_CS96: /* ESC [,-./] F */
+ case WC_C_G0_CS94 | 0x80: /* ESC '$' [()*+] F */
+ case WC_C_G0_CS96 | 0x80: /* ESC '$' [,-./] F */
+ case WC_C_CS942 | 0x80: /* ESC [()*+] '!' F */
+ case WC_C_C0: /* ESC [!"&] F */
+ case WC_C_CSWSR | 0x80: /* ESC '%' '/' F */
+ state = 0;
+ f = *p;
+ break;
+ case WC_C_CSWSR: /* ESC '%' F */
+ if (*p == WC_C_CSWOSR) { /* ESC '%' '/' */
+ state = cs = WC_C_CSWSR | 0x80;
+ continue;
+ }
+ state = 0;
+ f = *p;
+ break;
+ default:
+ return 0;
+ }
+ }
+ if (f < WC_F_ISO_BASE || f > 0x7e)
+ return 0;
+ switch (cs) {
+ case WC_C_G0_CS94:
+ st->design[g] = WC_CCS_SET_CS94(f);
+ break;
+ case WC_C_G0_CS94 | 0x80:
+ st->design[g] = WC_CCS_SET_CS94W(f);
+ break;
+ case WC_C_G0_CS96:
+ st->design[g] = WC_CCS_SET_CS96(f);
+ break;
+ case WC_C_G0_CS96 | 0x80:
+ st->design[g] = WC_CCS_SET_CS96W(f);
+ break;
+ case WC_C_CS942 | 0x80:
+ st->design[g] = WC_CCS_SET_CS942(f);
+ break;
+ case WC_C_CSWSR:
+ if (f == WC_F_ISO_BASE)
+ st->state = WC_ISO_NOSTATE;
+ else
+ st->state = WC_ISO_CSWSR;
+ break;
+ case WC_C_CSWOSR:
+ st->state = WC_ISO_CSWOSR;
+ break;
+ }
+ *ptr = p - 1;
+ return 1;
+}
+
+void
+wc_push_to_iso2022(Str os, wc_wchar_t cc, wc_status *st)
+{
+ wc_uchar g = 0;
+ wc_bool is_wide = WC_FALSE, retry = WC_FALSE;
+ wc_wchar_t cc2;
+
+ while (1) {
+ switch (WC_CCS_TYPE(cc.ccs)) {
+ case WC_CCS_A_CS94:
+ if (cc.ccs == WC_CCS_US_ASCII)
+ cc.ccs = st->g0_ccs;
+ g = cs94_gmap[WC_CCS_INDEX(cc.ccs) - WC_F_ISO_BASE];
+ break;
+ case WC_CCS_A_CS94W:
+ is_wide = 1;
+ switch (cc.ccs) {
+#ifdef USE_UNICODE
+ case WC_CCS_JIS_X_0212:
+ if (!WcOption.use_jisx0212 && WcOption.use_jisx0213 &&
+ WcOption.ucs_conv) {
+ cc2 = wc_jisx0212_to_jisx0213(cc);
+ if (cc2.ccs == WC_CCS_JIS_X_0213_1 ||
+ cc2.ccs == WC_CCS_JIS_X_0213_2) {
+ cc = cc2;
+ continue;
+ }
+ }
+ break;
+ case WC_CCS_JIS_X_0213_1:
+ case WC_CCS_JIS_X_0213_2:
+ if (!WcOption.use_jisx0213 && WcOption.use_jisx0212 &&
+ WcOption.ucs_conv) {
+ cc2 = wc_jisx0213_to_jisx0212(cc);
+ if (cc2.ccs == WC_CCS_JIS_X_0212) {
+ cc = cc2;
+ continue;
+ }
+ }
+ break;
+#endif
+ }
+ g = cs94w_gmap[WC_CCS_INDEX(cc.ccs) - WC_F_ISO_BASE];
+ break;
+ case WC_CCS_A_CS96:
+ g = cs96_gmap[WC_CCS_INDEX(cc.ccs) - WC_F_ISO_BASE];
+ break;
+ case WC_CCS_A_CS96W:
+ is_wide = 1;
+ g = cs96w_gmap[WC_CCS_INDEX(cc.ccs) - WC_F_ISO_BASE];
+ break;
+ case WC_CCS_A_CS942:
+ g = cs942_gmap[WC_CCS_INDEX(cc.ccs) - WC_F_ISO_BASE];
+ break;
+ case WC_CCS_A_UNKNOWN_W:
+ if (WcOption.no_replace)
+ return;
+ is_wide = 1;
+ cc.ccs = WC_CCS_US_ASCII;
+ g = cs94_gmap[WC_CCS_INDEX(cc.ccs) - WC_F_ISO_BASE];
+ cc.code = ((wc_uint32)WC_REPLACE_W[0] << 8) | WC_REPLACE_W[1];
+ break;
+ case WC_CCS_A_UNKNOWN:
+ if (WcOption.no_replace)
+ return;
+ cc.ccs = WC_CCS_US_ASCII;
+ g = cs94_gmap[WC_CCS_INDEX(cc.ccs) - WC_F_ISO_BASE];
+ cc.code = (wc_uint32)WC_REPLACE[0];
+ break;
+ default:
+ if ((cc.ccs == WC_CCS_JOHAB || WC_CCS_JOHAB_1 ||
+ cc.ccs == WC_CCS_JOHAB_2 || cc.ccs == WC_CCS_JOHAB_3) &&
+ cs94w_gmap[WC_F_KS_X_1001 - WC_F_ISO_BASE]) {
+ wc_wchar_t cc2 = wc_johab_to_ksx1001(cc);
+ if (cc2.ccs == WC_CCS_KS_X_1001) {
+ cc = cc2;
+ continue;
+ }
+ }
+#ifdef USE_UNICODE
+ if (WcOption.ucs_conv)
+ cc = wc_any_to_iso2022(cc, st);
+ else
+#endif
+ cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
+ continue;
+ }
+ if (! g) {
+#ifdef USE_UNICODE
+ if (WcOption.ucs_conv && ! retry)
+ cc = wc_any_to_any_ces(cc, st);
+ else
+#endif
+ cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
+ retry = WC_TRUE;
+ continue;
+ }
+
+ wc_push_iso2022_esc(os, cc.ccs, g, 1, st);
+ if (is_wide)
+ Strcat_char(os, (char)((cc.code >> 8) & 0x7f));
+ Strcat_char(os, (char)(cc.code & 0x7f));
+ return;
+ }
+}
+
+void
+wc_push_to_iso2022_end(Str os, wc_status *st)
+{
+ if (st->design[1] != 0 && st->design[1] != st->g1_ccs)
+ wc_push_iso2022_esc(os, st->g1_ccs, WC_C_G1_CS94, 0, st);
+ wc_push_iso2022_esc(os, st->g0_ccs, WC_C_G0_CS94, 1, st);
+}
+
+void
+wc_push_iso2022_esc(Str os, wc_ccs ccs, wc_uchar g, wc_uint8 invoke, wc_status *st)
+{
+ wc_uint8 g_invoke = g & 0x03;
+
+ if (st->design[g_invoke] != ccs) {
+ Strcat_char(os, WC_C_ESC);
+ if (WC_CCS_IS_WIDE(ccs)) {
+ Strcat_char(os, WC_C_MBCS);
+ if (g_invoke != 0 ||
+ (ccs != WC_CCS_JIS_C_6226 &&
+ ccs != WC_CCS_JIS_X_0208 &&
+ ccs != WC_CCS_GB_2312))
+ Strcat_char(os, (char)g);
+ } else {
+ Strcat_char(os, (char)g);
+ if ((ccs & WC_CCS_A_ISO_2022) == WC_CCS_A_CS942)
+ Strcat_char(os, WC_C_CS942);
+ }
+ Strcat_char(os, (char)WC_CCS_GET_F(ccs));
+ st->design[g_invoke] = ccs;
+ }
+ if (! invoke)
+ return;
+
+ switch (g_invoke) {
+ case 0:
+ if (st->gl != 0) {
+ Strcat_char(os, WC_C_SI);
+ st->gl = 0;
+ }
+ break;
+ case 1:
+ if (st->gl != 1) {
+ Strcat_char(os, WC_C_SO);
+ st->gl = 1;
+ }
+ break;
+ case 2:
+ Strcat_char(os, WC_C_ESC);
+ Strcat_char(os, WC_C_SS2);
+ break;
+ case 3:
+ Strcat_char(os, WC_C_ESC);
+ Strcat_char(os, WC_C_SS3);
+ break;
+ }
+}
+
+void
+wc_push_to_euc(Str os, wc_wchar_t cc, wc_status *st)
+{
+ wc_ccs g1_ccs = st->ces_info->gset[1].ccs;
+
+ while (1) {
+ if (cc.ccs == g1_ccs) {
+ Strcat_char(os, (char)((cc.code >> 8) | 0x80));
+ Strcat_char(os, (char)((cc.code & 0xff) | 0x80));
+ return;
+ }
+ switch (cc.ccs) {
+ case WC_CCS_US_ASCII:
+ Strcat_char(os, (char)cc.code);
+ return;
+ case WC_CCS_C1:
+ Strcat_char(os, (char)(cc.code | 0x80));
+ return;
+ case WC_CCS_UNKNOWN_W:
+ if (!WcOption.no_replace)
+ Strcat_charp(os, WC_REPLACE_W);
+ return;
+ case WC_CCS_UNKNOWN:
+ if (!WcOption.no_replace)
+ Strcat_charp(os, WC_REPLACE);
+ return;
+ case WC_CCS_JOHAB:
+ case WC_CCS_JOHAB_1:
+ case WC_CCS_JOHAB_2:
+ case WC_CCS_JOHAB_3:
+ if (st->ces_info->id == WC_CES_EUC_KR) {
+ cc = wc_johab_to_ksx1001(cc);
+ continue;
+ }
+ default:
+#ifdef USE_UNICODE
+ if (WcOption.ucs_conv)
+ cc = wc_any_to_any_ces(cc, st);
+ else
+#endif
+ cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
+ continue;
+ }
+ }
+}
+
+void
+wc_push_to_eucjp(Str os, wc_wchar_t cc, wc_status *st)
+{
+ while (1) {
+ switch (cc.ccs) {
+ case WC_CCS_US_ASCII:
+ Strcat_char(os, (char)cc.code);
+ return;
+ case WC_CCS_JIS_X_0201K:
+ if (WcOption.use_jisx0201k) {
+ Strcat_char(os, WC_C_SS2R);
+ Strcat_char(os, (char)(cc.code | 0x80));
+ return;
+ } else if (WcOption.fix_width_conv)
+ cc.ccs = WC_CCS_UNKNOWN;
+ else
+ cc = wc_jisx0201k_to_jisx0208(cc);
+ continue;
+ case WC_CCS_JIS_X_0208:
+ break;
+ case WC_CCS_JIS_X_0213_1:
+ if (WcOption.use_jisx0213)
+ break;
+#ifdef USE_UNICODE
+ else if (WcOption.ucs_conv && WcOption.use_jisx0212)
+ cc = wc_jisx0213_to_jisx0212(cc);
+#endif
+ else
+ cc.ccs = WC_CCS_UNKNOWN_W;
+ continue;
+ case WC_CCS_JIS_X_0212:
+ if (WcOption.use_jisx0212) {
+ Strcat_char(os, WC_C_SS3R);
+ break;
+ }
+#ifdef USE_UNICODE
+ else if (WcOption.ucs_conv && WcOption.use_jisx0213)
+ cc = wc_jisx0212_to_jisx0213(cc);
+#endif
+ else
+ cc.ccs = WC_CCS_UNKNOWN_W;
+ continue;
+ case WC_CCS_JIS_X_0213_2:
+ if (WcOption.use_jisx0213) {
+ Strcat_char(os, WC_C_SS3R);
+ break;
+ }
+#ifdef USE_UNICODE
+ else if (WcOption.ucs_conv && WcOption.use_jisx0212)
+ cc = wc_jisx0213_to_jisx0212(cc);
+#endif
+ else
+ cc.ccs = WC_CCS_UNKNOWN_W;
+ continue;
+ case WC_CCS_C1:
+ Strcat_char(os, (char)(cc.code | 0x80));
+ return;
+ case WC_CCS_UNKNOWN_W:
+ if (!WcOption.no_replace)
+ Strcat_charp(os, WC_REPLACE_W);
+ return;
+ case WC_CCS_UNKNOWN:
+ if (!WcOption.no_replace)
+ Strcat_charp(os, WC_REPLACE);
+ return;
+ default:
+#ifdef USE_UNICODE
+ if (WcOption.ucs_conv)
+ cc = wc_any_to_any_ces(cc, st);
+ else
+#endif
+ cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
+ continue;
+ }
+ Strcat_char(os, (char)((cc.code >> 8) | 0x80));
+ Strcat_char(os, (char)((cc.code & 0xff) | 0x80));
+ return;
+ }
+}
+
+void
+wc_push_to_euctw(Str os, wc_wchar_t cc, wc_status *st)
+{
+ while (1) {
+ switch (cc.ccs) {
+ case WC_CCS_US_ASCII:
+ Strcat_char(os, (char)cc.code);
+ return;
+ case WC_CCS_CNS_11643_1:
+ break;
+ case WC_CCS_CNS_11643_2:
+ case WC_CCS_CNS_11643_3:
+ case WC_CCS_CNS_11643_4:
+ case WC_CCS_CNS_11643_5:
+ case WC_CCS_CNS_11643_6:
+ case WC_CCS_CNS_11643_7:
+ Strcat_char(os, WC_C_SS2R);
+ Strcat_char(os, (char)(0xA1 + (cc.ccs - WC_CCS_CNS_11643_1)));
+ break;
+ case WC_CCS_CNS_11643_8:
+ case WC_CCS_CNS_11643_9:
+ case WC_CCS_CNS_11643_10:
+ case WC_CCS_CNS_11643_11:
+ case WC_CCS_CNS_11643_12:
+ case WC_CCS_CNS_11643_13:
+ case WC_CCS_CNS_11643_14:
+ case WC_CCS_CNS_11643_15:
+ case WC_CCS_CNS_11643_16:
+ Strcat_char(os, WC_C_SS2R);
+ Strcat_char(os, (char)(0xA8 + (cc.ccs - WC_CCS_CNS_11643_8)));
+ break;
+ case WC_CCS_C1:
+ Strcat_char(os, (char)(cc.code | 0x80));
+ return;
+ case WC_CCS_UNKNOWN_W:
+ if (!WcOption.no_replace)
+ Strcat_charp(os, WC_REPLACE_W);
+ return;
+ case WC_CCS_UNKNOWN:
+ if (!WcOption.no_replace)
+ Strcat_charp(os, WC_REPLACE);
+ return;
+ default:
+#ifdef USE_UNICODE
+ if (WcOption.ucs_conv)
+ cc = wc_any_to_any_ces(cc, st);
+ else
+#endif
+ cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
+ continue;
+ }
+ Strcat_char(os, (char)((cc.code >> 8) | 0x80));
+ Strcat_char(os, (char)((cc.code & 0xff) | 0x80));
+ return;
+ }
+}
+
+void
+wc_push_to_iso8859(Str os, wc_wchar_t cc, wc_status *st)
+{
+ wc_ccs g1_ccs = st->ces_info->gset[1].ccs;
+
+ while (1) {
+ if (cc.ccs == g1_ccs) {
+ Strcat_char(os, (char)(cc.code | 0x80));
+ return;
+ }
+ switch (cc.ccs) {
+ case WC_CCS_US_ASCII:
+ Strcat_char(os, (char)cc.code);
+ return;
+ case WC_CCS_C1:
+ Strcat_char(os, (char)(cc.code | 0x80));
+ return;
+ case WC_CCS_UNKNOWN_W:
+ if (!WcOption.no_replace)
+ Strcat_charp(os, WC_REPLACE_W);
+ return;
+ case WC_CCS_UNKNOWN:
+ if (!WcOption.no_replace)
+ Strcat_charp(os, WC_REPLACE);
+ return;
+ default:
+#ifdef USE_UNICODE
+ if (WcOption.ucs_conv)
+ cc = wc_any_to_any_ces(cc, st);
+ else
+#endif
+ cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
+ continue;
+ }
+ }
+}
+
+void
+wc_create_gmap(wc_status *st)
+{
+ wc_gset *gset = st->ces_info->gset;
+ wc_uchar *gset_ext = st->ces_info->gset_ext;
+ int i, f;
+
+ if (WcOption.strict_iso2022) {
+ for (i = 0; i < WC_F_ISO_BASE; i++) {
+ cs94_gmap[i] = 0;
+ cs96_gmap[i] = 0;
+ cs94w_gmap[i] = 0;
+ cs96w_gmap[i] = 0;
+ cs942_gmap[i] = 0;
+ }
+ } else {
+ for (i = 0; i < WC_F_ISO_BASE; i++) {
+ cs94_gmap[i] = gset_ext[0];
+ cs96_gmap[i] = gset_ext[1];
+ cs94w_gmap[i] = gset_ext[2];
+ cs96w_gmap[i] = gset_ext[3];
+ cs942_gmap[i] = gset_ext[0];
+ }
+ }
+ for (i = 0; gset[i].ccs; i++) {
+ f = WC_CCS_GET_F(gset[i].ccs) - WC_F_ISO_BASE;
+ switch (WC_CCS_TYPE(gset[i].ccs)) {
+ case WC_CCS_A_CS94:
+ switch (gset[i].ccs) {
+ case WC_CCS_JIS_X_0201K:
+ if (!WcOption.use_jisx0201k)
+ continue;
+ break;
+ }
+ cs94_gmap[f] = gset[i].g;
+ break;
+ case WC_CCS_A_CS94W:
+ switch (gset[i].ccs) {
+ case WC_CCS_JIS_X_0212:
+ if (!WcOption.use_jisx0212)
+ continue;
+ break;
+ case WC_CCS_JIS_X_0213_1:
+ case WC_CCS_JIS_X_0213_2:
+ if (!WcOption.use_jisx0213)
+ continue;
+ break;
+ }
+ cs94w_gmap[f] = gset[i].g;
+ break;
+ case WC_CCS_A_CS96:
+ cs96_gmap[f] = gset[i].g;
+ break;
+ case WC_CCS_A_CS96W:
+ cs96w_gmap[f] = gset[i].g;
+ break;
+ case WC_CCS_A_CS942:
+ cs942_gmap[f] = gset[i].g;
+ break;
+ }
+ }
+}
+
+Str
+wc_char_conv_from_iso2022(wc_uchar c, wc_status *st)
+{
+ static Str os;
+ static wc_uchar buf[4];
+ static size_t nbuf;
+ wc_uchar *p;
+ wc_ccs gl_ccs, gr_ccs;
+
+ if (st->state == -1) {
+ st->state = WC_ISO_NOSTATE;
+ os = Strnew_size(8);
+ nbuf = 0;
+ }
+
+ gl_ccs = st->ss ? st->design[st->ss] : st->design[st->gl];
+ gr_ccs = st->ss ? st->design[st->ss] : st->design[st->gr];
+
+ switch (st->state) {
+ case WC_ISO_NOSTATE:
+ switch (WC_ISO_MAP[c]) {
+ case GL2:
+ if (!(WC_CCS_TYPE(gl_ccs) & WC_CCS_A_CS96)) {
+ Strcat_char(os, (char)c);
+ break;
+ }
+ case GL:
+ if (WC_CCS_IS_WIDE(gl_ccs)) {
+ buf[nbuf++] = c;
+ st->state = WC_ISO_MBYTE1;
+ return NULL;
+ } else if (gl_ccs == WC_CES_US_ASCII)
+ Strcat_char(os, (char)c);
+ else
+ wtf_push_iso2022(os, gl_ccs, (wc_uint32)c);
+ break;
+ case GR2:
+ if (!(WC_CCS_TYPE(gr_ccs) & WC_CCS_A_CS96))
+ break;
+ case GR:
+ if (WC_CCS_IS_WIDE(gr_ccs)) {
+ buf[nbuf++] = c;
+ st->state = WC_EUC_MBYTE1;
+ return NULL;
+ } else if (gr_ccs)
+ wtf_push_iso2022(os, gr_ccs, (wc_uint32)c);
+ break;
+ case C0:
+ Strcat_char(os, (char)c);
+ break;
+ case C1:
+ break;
+ case ESC:
+ buf[nbuf++] = c;
+ st->state = WC_C_ESC;
+ return NULL;
+ case SI:
+ st->gl = 0;
+ break;
+ case SO:
+ st->gl = 1;
+ break;
+ case SS2:
+ if (! st->design[2])
+ return os;
+ st->ss = 2;
+ return NULL;
+ case SS3:
+ if (! st->design[3])
+ return os;
+ st->ss = 3;
+ return NULL;
+ }
+ break;
+ case WC_ISO_MBYTE1:
+ switch (WC_ISO_MAP[c]) {
+ case GL2:
+ if (!(WC_CCS_TYPE(gl_ccs) & WC_CCS_A_CS96))
+ break;
+ case GL:
+ buf[nbuf++] = c;
+ wtf_push_iso2022(os, gl_ccs, ((wc_uint32)buf[0] << 8) | buf[1]);
+ break;
+ }
+ st->state = WC_ISO_NOSTATE;
+ break;
+ case WC_EUC_MBYTE1:
+ switch (WC_ISO_MAP[c]) {
+ case GR2:
+ if (!(WC_CCS_TYPE(gr_ccs) & WC_CCS_A_CS96))
+ break;
+ case GR:
+ if (gr_ccs == WC_CCS_CNS_11643_X) {
+ buf[nbuf++] = c;
+ st->state = WC_EUC_TW_MBYTE2;
+ return NULL;
+ }
+ buf[nbuf++] = c;
+ wtf_push_iso2022(os, gr_ccs, ((wc_uint32)buf[0] << 8) | buf[1]);
+ break;
+ }
+ st->state = WC_ISO_NOSTATE;
+ break;
+ case WC_EUC_TW_MBYTE2:
+ if (WC_ISO_MAP[c] == GR) {
+ buf[nbuf++] = c;
+ c = buf[0];
+ if (0xa1 <= c && c <= 0xa7) {
+ wtf_push_iso2022(os, WC_CCS_CNS_11643_1 + (c - 0xa1),
+ ((wc_uint32)buf[1] << 8) | buf[2]);
+ break;
+ }
+ if (0xa8 <= c && c <= 0xb0) {
+ wtf_push_iso2022(os, WC_CCS_CNS_11643_8 + (c - 0xa8),
+ ((wc_uint32)buf[1] << 8) | buf[2]);
+ break;
+ }
+ }
+ st->state = WC_ISO_NOSTATE;
+ break;
+ case WC_C_ESC:
+ switch (c) {
+ case WC_C_G0_CS94:
+ case WC_C_G1_CS94:
+ case WC_C_G2_CS94:
+ case WC_C_G3_CS94:
+ buf[nbuf++] = c;
+ st->state = WC_C_G0_CS94;
+ return NULL;
+ case WC_C_G0_CS96:
+ case WC_C_G1_CS96:
+ case WC_C_G2_CS96:
+ case WC_C_G3_CS96:
+ case WC_C_C0:
+ case WC_C_C1:
+ case WC_C_REP:
+ buf[nbuf++] = c;
+ st->state = WC_C_G0_CS96;
+ return NULL;
+ case WC_C_MBCS:
+ case WC_C_CSWSR:
+ buf[nbuf++] = c;
+ st->state = c;
+ return NULL;
+ case WC_C_SS2:
+ st->ss = 2;
+ st->state = WC_ISO_NOSTATE;
+ return NULL;
+ case WC_C_SS3:
+ st->ss = 3;
+ st->state = WC_ISO_NOSTATE;
+ return NULL;
+ case WC_C_LS2:
+ st->gl = 2;
+ break;
+ case WC_C_LS3:
+ st->gl = 3;
+ break;
+ case WC_C_LS2R:
+ st->gr = 2;
+ break;
+ case WC_C_LS3R:
+ st->gr = 3;
+ break;
+ default:
+ break;
+ }
+ break;
+ case WC_C_MBCS:
+ switch (c) {
+ case WC_F_JIS_C_6226:
+ case WC_F_JIS_X_0208:
+ case WC_F_GB_2312:
+ buf[nbuf++] = c;
+ p = buf;
+ wc_parse_iso2022_esc(&p, st);
+ break;
+ case WC_C_G0_CS94:
+ case WC_C_G1_CS94:
+ case WC_C_G2_CS94:
+ case WC_C_G3_CS94:
+ case WC_C_G0_CS96:
+ case WC_C_G1_CS96:
+ case WC_C_G2_CS96:
+ case WC_C_G3_CS96:
+ buf[nbuf++] = c;
+ st->state = WC_C_G0_CS96;
+ return NULL;
+ }
+ break;
+ case WC_C_CSWSR:
+ switch (c) {
+ case WC_C_CSWOSR:
+ buf[nbuf++] = c;
+ st->state = WC_C_G1_CS94;
+ return NULL;
+ }
+ buf[nbuf++] = c;
+ p = buf;
+ wc_parse_iso2022_esc(&p, st);
+ break;
+ case WC_C_G0_CS94:
+ switch (c) {
+ case WC_C_CS942:
+ buf[nbuf++] = c;
+ st->state = WC_C_G0_CS96;
+ return NULL;
+ }
+ case WC_C_G0_CS96:
+ buf[nbuf++] = c;
+ p = buf;
+ wc_parse_iso2022_esc(&p, st);
+ break;
+ }
+ st->ss = 0;
+ st->state = -1;
+ return os;
+}