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author | Tatsuya Kinoshita <tats@vega.ocn.ne.jp> | 2011-05-04 07:18:09 +0000 |
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committer | Tatsuya Kinoshita <tats@vega.ocn.ne.jp> | 2011-05-04 07:18:09 +0000 |
commit | 5f8e0f8ef9a422691dd72e8a953a42a41478fcb4 (patch) | |
tree | 4b2df4796a534793648b3c4fc532fc36bd0cd525 /libwc/viet.c | |
parent | Releasing debian version 0.3-2.4 (diff) | |
download | w3m-5f8e0f8ef9a422691dd72e8a953a42a41478fcb4.tar.gz w3m-5f8e0f8ef9a422691dd72e8a953a42a41478fcb4.zip |
Releasing debian version 0.5.1-1debian/0.5.1-1
Diffstat (limited to '')
-rw-r--r-- | libwc/viet.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/libwc/viet.c b/libwc/viet.c new file mode 100644 index 0000000..c918d4c --- /dev/null +++ b/libwc/viet.c @@ -0,0 +1,243 @@ + +#include "wc.h" +#include "viet.h" +#include "wtf.h" +#include "search.h" +#ifdef USE_UNICODE +#include "ucs.h" +#endif +#include "map/tcvn57123_tcvn5712.map" + +wc_uint8 wc_c0_tcvn57122_map[ 0x20 ] = { + 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, +}; +wc_uint8 wc_c0_viscii112_map[ 0x20 ] = { + 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, +}; +wc_uint8 wc_c0_vps2_map[ 0x20 ] = { + 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, +}; +static wc_uint8 tcvn5712_precompose_map[ 0x100 ] = { + 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, +/* A E I O */ + 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, +/* U Y */ + 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, +/* a e i o */ + 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, +/* u y */ + 0, 0, 0, 0, 0, 1, 0, 0, 0, 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, +/* A( A^ E^ O^ O+ U+ a( a^ e^ o^ o+ u+ */ + 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, +/* ` ? ~ ' . */ + 2, 2, 2, 2, 2, 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, +}; +static wc_uint8 cp1258_precompose_map[ 0x100 ] = { + 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, +/* A E I O */ + 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, +/* U Y */ + 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, +/* a e i o */ + 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, +/* u y */ + 0, 0, 0, 0, 0, 1, 0, 0, 0, 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, +/* A^ A( E^ ` */ + 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, +/* ? O^ O+ U+ ~ */ + 0, 0, 2, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, +/* a^ a( e^ ' */ + 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, +/* . o^ o+ u+ */ + 0, 0, 2, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, +}; + +wc_uint32 +wc_tcvn5712_precompose(wc_uchar c1, wc_uchar c2) +{ + if (tcvn5712_precompose_map[c1] == 1 && tcvn5712_precompose_map[c2] == 2) + return ((wc_uint32)c1 << 8) | c2; + else + return 0; +} + +wc_wchar_t +wc_tcvn57123_to_tcvn5712(wc_wchar_t cc) +{ + wc_map *map; + + map = wc_map_search((wc_uint16)(cc.code & 0x7f7f), + tcvn57123_tcvn5712_map, N_tcvn57123_tcvn5712_map); + if (map) { + cc.ccs = (map->code2 < 0x20) ? WC_CCS_TCVN_5712_2 : WC_CCS_TCVN_5712_1; + cc.code = map->code2 | 0x80; + } else { + cc.ccs = WC_CCS_UNKNOWN; + } + return cc; +} + +wc_uint32 +wc_cp1258_precompose(wc_uchar c1, wc_uchar c2) +{ + if (cp1258_precompose_map[c1] == 1 && cp1258_precompose_map[c2] == 2) + return ((wc_uint32)c1 << 8) | c2; + else + return 0; +} + +Str +wc_conv_from_viet(Str is, wc_ces ces) +{ + Str os; + wc_uchar *sp = (wc_uchar *)is->ptr; + wc_uchar *ep = sp + is->length; + wc_uchar *p; + wc_ccs ccs1 = WcCesInfo[WC_CCS_INDEX(ces)].gset[1].ccs; + wc_ccs ccs2 = WcCesInfo[WC_CCS_INDEX(ces)].gset[2].ccs; + wc_uint8 *map = NULL; + + switch (ces) { + case WC_CES_TCVN_5712: + map = wc_c0_tcvn57122_map; + break; + case WC_CES_VISCII_11: + map = wc_c0_viscii112_map; + break; + case WC_CES_VPS: + map = wc_c0_vps2_map; + break; + } + + wc_create_detect_map(ces, WC_FALSE); + for (p = sp; p < ep && ! WC_DETECT_MAP[*p]; p++) + ; + if (p == ep) + return is; + os = Strnew_size(is->length); + if (p > sp) + Strcat_charp_n(os, is->ptr, (int)(p - sp)); + + for (; p < ep; p++) { + if (*p & 0x80) + wtf_push(os, ccs1, (wc_uint32)*p); + else if (*p < 0x20 && map[*p]) + wtf_push(os, ccs2, (wc_uint32)*p); + else + Strcat_char(os, (char)*p); + } + return os; +} + +void +wc_push_to_viet(Str os, wc_wchar_t cc, wc_status *st) +{ + wc_ccs ccs1 = st->ces_info->gset[1].ccs; + wc_ccs ccs2 = 0, ccs3 = 0; + wc_uint8 *map = NULL; + + switch (st->ces_info->id) { + case WC_CES_CP1258: + ccs3 = st->ces_info->gset[2].ccs; + break; + case WC_CES_TCVN_5712: + map = wc_c0_tcvn57122_map; + ccs2 = st->ces_info->gset[2].ccs; + ccs3 = st->ces_info->gset[3].ccs; + break; + case WC_CES_VISCII_11: + map = wc_c0_viscii112_map; + ccs2 = st->ces_info->gset[2].ccs; + break; + case WC_CES_VPS: + map = wc_c0_vps2_map; + ccs2 = st->ces_info->gset[2].ccs; + break; + } + + while (1) { + if (cc.ccs == ccs1) { + Strcat_char(os, (char)(cc.code | 0x80)); + return; + } else if (cc.ccs == ccs2) { + Strcat_char(os, (char)(cc.code & 0x7f)); + return; + } else if (cc.ccs == ccs3) { + Strcat_char(os, (char)((cc.code >> 8) & 0xff)); + Strcat_char(os, (char)(cc.code & 0xff)); + return; + } + switch (cc.ccs) { + case WC_CCS_US_ASCII: + if (cc.code < 0x20 && map && map[cc.code]) + Strcat_char(os, ' '); + else + Strcat_char(os, (char)cc.code); + 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; + } + } +} + +Str +wc_char_conv_from_viet(wc_uchar c, wc_status *st) +{ + Str os = Strnew_size(1); + wc_uint8 *map = NULL; + + switch (st->ces_info->id) { + case WC_CES_TCVN_5712: + map = wc_c0_tcvn57122_map; + break; + case WC_CES_VISCII_11: + map = wc_c0_viscii112_map; + break; + case WC_CES_VPS: + map = wc_c0_vps2_map; + break; + } + + if (c & 0x80) + wtf_push(os, st->ces_info->gset[1].ccs, (wc_uint32)c); + else if (c < 0x20 && map[c]) + wtf_push(os, st->ces_info->gset[2].ccs, (wc_uint32)c); + else + Strcat_char(os, (char)c); + return os; +} |