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-rw-r--r--Modules/cjkcodecs/_euc_jp.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/Modules/cjkcodecs/_euc_jp.c b/Modules/cjkcodecs/_euc_jp.c
new file mode 100644
index 0000000..0392133
--- /dev/null
+++ b/Modules/cjkcodecs/_euc_jp.c
@@ -0,0 +1,127 @@
+/*
+ * _euc_jp.c: the EUC-JP codec
+ *
+ * Written by Hye-Shik Chang <perky@FreeBSD.org>
+ * $CJKCodecs: _euc_jp.c,v 1.5 2003/12/31 05:46:55 perky Exp $
+ */
+
+#include "codeccommon.h"
+
+ENCMAP(jisxcommon)
+DECMAP(jisx0208)
+DECMAP(jisx0212)
+
+ENCODER(euc_jp)
+{
+ while (inleft > 0) {
+ Py_UNICODE c = IN1;
+ DBCHAR code;
+
+ if (c < 0x80) {
+ WRITE1(c)
+ NEXT(1, 1)
+ continue;
+ }
+
+ UCS4INVALID(c)
+
+ TRYMAP_ENC(jisxcommon, code, c);
+ else if (c >= 0xff61 && c <= 0xff9f) {
+ /* JIS X 0201 half-width katakana */
+ WRITE2(0x8e, c - 0xfec0)
+ NEXT(1, 2)
+ continue;
+ }
+#ifndef STRICT_BUILD
+ else if (c == 0xff3c) /* FULL-WIDTH REVERSE SOLIDUS */
+ code = 0x2140;
+ else if (c == 0xa5) { /* YEN SIGN */
+ WRITE1(0x5c);
+ NEXT(1, 1)
+ continue;
+ } else if (c == 0x203e) { /* OVERLINE */
+ WRITE1(0x7e);
+ NEXT(1, 1)
+ continue;
+ }
+#endif
+ else
+ return 1;
+
+ if (code & 0x8000) {
+ /* JIS X 0212 */
+ WRITE3(0x8f, code >> 8, (code & 0xFF) | 0x80)
+ NEXT(1, 3)
+ } else {
+ /* JIS X 0208 */
+ WRITE2((code >> 8) | 0x80, (code & 0xFF) | 0x80)
+ NEXT(1, 2)
+ }
+ }
+
+ return 0;
+}
+
+DECODER(euc_jp)
+{
+ while (inleft > 0) {
+ unsigned char c = IN1;
+
+ RESERVE_OUTBUF(1)
+
+ if (c < 0x80) {
+ OUT1(c)
+ NEXT(1, 1)
+ continue;
+ }
+
+ if (c == 0x8e) {
+ /* JIS X 0201 half-width katakana */
+ unsigned char c2;
+
+ RESERVE_INBUF(2)
+ c2 = IN2;
+ if (c2 >= 0xa1 && c2 <= 0xdf) {
+ OUT1(0xfec0 + c2)
+ NEXT(2, 1)
+ } else
+ return 2;
+ } else if (c == 0x8f) {
+ unsigned char c2, c3;
+
+ RESERVE_INBUF(3)
+ c2 = IN2;
+ c3 = IN3;
+ /* JIS X 0212 */
+ TRYMAP_DEC(jisx0212, **outbuf, c2 ^ 0x80, c3 ^ 0x80) {
+ NEXT(3, 1)
+ } else
+ return 3;
+ } else {
+ unsigned char c2;
+
+ RESERVE_INBUF(2)
+ c2 = IN2;
+ /* JIS X 0208 */
+#ifndef STRICT_BUILD
+ if (c == 0xa1 && c2 == 0xc0) /* FULL-WIDTH REVERSE SOLIDUS */
+ **outbuf = 0xff3c;
+ else
+#endif
+ TRYMAP_DEC(jisx0208, **outbuf, c ^ 0x80, c2 ^ 0x80) ;
+ else return 2;
+ NEXT(2, 1)
+ }
+ }
+
+ return 0;
+}
+
+#include "codecentry.h"
+BEGIN_CODEC_REGISTRY(euc_jp)
+ MAPOPEN(ja_JP)
+ IMPORTMAP_DEC(jisx0208)
+ IMPORTMAP_DEC(jisx0212)
+ IMPORTMAP_ENC(jisxcommon)
+ MAPCLOSE()
+END_CODEC_REGISTRY(euc_jp)