Bring CJKCodecs 1.1 into trunk. This completely reorganizes source
and installed layouts to make maintenance simple and easy. And it
also adds four new codecs; big5hkscs, euc-jis-2004, shift-jis-2004
and iso2022-jp-2004.
diff --git a/Modules/cjkcodecs/_codecs_hk.c b/Modules/cjkcodecs/_codecs_hk.c
new file mode 100644
index 0000000..9daa87f
--- /dev/null
+++ b/Modules/cjkcodecs/_codecs_hk.c
@@ -0,0 +1,144 @@
+/*
+ * _codecs_hk.c: Codecs collection for encodings from Hong Kong
+ *
+ * Written by Hye-Shik Chang <perky@FreeBSD.org>
+ * $CJKCodecs: _codecs_hk.c,v 1.3 2004/07/07 14:59:26 perky Exp $
+ */
+
+#define USING_IMPORTED_MAPS
+
+#include "cjkcodecs.h"
+#include "mappings_hk.h"
+
+/*
+ * BIG5HKSCS codec
+ */
+
+static const encode_map *big5_encmap = NULL;
+static const decode_map *big5_decmap = NULL;
+
+CODEC_INIT(big5hkscs)
+{
+ static int initialized = 0;
+
+ if (!initialized && IMPORT_MAP(tw, big5, &big5_encmap, &big5_decmap))
+ return -1;
+ initialized = 1;
+ return 0;
+}
+
+ENCODER(big5hkscs)
+{
+ while (inleft > 0) {
+ ucs4_t c = **inbuf;
+ DBCHAR code;
+ int insize;
+
+ if (c < 0x80) {
+ REQUIRE_OUTBUF(1)
+ **outbuf = (unsigned char)c;
+ NEXT(1, 1)
+ continue;
+ }
+
+ DECODE_SURROGATE(c)
+ insize = GET_INSIZE(c);
+
+ REQUIRE_OUTBUF(2)
+
+ if (c < 0x10000) {
+ TRYMAP_ENC(big5hkscs_bmp, code, c);
+ else TRYMAP_ENC(big5, code, c);
+ else return 1;
+ }
+ else if (c < 0x20000)
+ return insize;
+ else if (c < 0x30000) {
+ TRYMAP_ENC(big5hkscs_nonbmp, code, c & 0xffff);
+ else return insize;
+ }
+ else
+ return insize;
+
+ OUT1(code >> 8)
+ OUT2(code & 0xFF)
+ NEXT(insize, 2)
+ }
+
+ return 0;
+}
+
+#define BH2S(c1, c2) (((c1) - 0x88) * (0xfe - 0x40 + 1) + ((c2) - 0x40))
+
+DECODER(big5hkscs)
+{
+ while (inleft > 0) {
+ unsigned char c = IN1;
+ ucs4_t decoded;
+
+ REQUIRE_OUTBUF(1)
+
+ if (c < 0x80) {
+ OUT1(c)
+ NEXT(1, 1)
+ continue;
+ }
+
+ REQUIRE_INBUF(2)
+
+ if (0xc6 <= c && c <= 0xc8 && (c >= 0xc7 || IN2 >= 0xa1))
+ goto hkscsdec;
+
+ TRYMAP_DEC(big5, **outbuf, c, IN2) {
+ NEXT(2, 1)
+ }
+ else
+hkscsdec: TRYMAP_DEC(big5hkscs, decoded, c, IN2) {
+ int s = BH2S(c, IN2);
+ const unsigned char *hintbase;
+
+ assert(0x88 <= c && c <= 0xfe);
+ assert(0x40 <= IN2 && IN2 <= 0xfe);
+
+ if (BH2S(0x88, 0x40) <= s && s <= BH2S(0xa0, 0xfe)) {
+ hintbase = big5hkscs_phint_0;
+ s -= BH2S(0x88, 0x40);
+ }
+ else if (BH2S(0xc6,0xa1) <= s && s <= BH2S(0xc8,0xfe)){
+ hintbase = big5hkscs_phint_11939;
+ s -= BH2S(0xc6, 0xa1);
+ }
+ else if (BH2S(0xf9,0xd6) <= s && s <= BH2S(0xfe,0xfe)){
+ hintbase = big5hkscs_phint_21733;
+ s -= BH2S(0xf9, 0xd6);
+ }
+ else
+ return MBERR_INTERNAL;
+
+ if (hintbase[s >> 3] & (1 << (s & 7))) {
+ WRITEUCS4(decoded | 0x20000)
+ NEXT_IN(2)
+ }
+ else {
+ OUT1(decoded)
+ NEXT(2, 1)
+ }
+ }
+ else return 2;
+ }
+
+ return 0;
+}
+
+
+BEGIN_MAPPINGS_LIST
+ MAPPING_DECONLY(big5hkscs)
+ MAPPING_ENCONLY(big5hkscs_bmp)
+ MAPPING_ENCONLY(big5hkscs_nonbmp)
+END_MAPPINGS_LIST
+
+BEGIN_CODECS_LIST
+ CODEC_STATELESS_WINIT(big5hkscs)
+END_CODECS_LIST
+
+I_AM_A_MODULE_FOR(hk)