1 files changed, 228 insertions, 0 deletions
diff --git a/ext/mbstring/oniguruma/enc/euc_jp.c b/ext/mbstring/oniguruma/enc/euc_jp.c
new file mode 100644
index 0000000..71c81ee
--- /dev/null
+++ b/ext/mbstring/oniguruma/enc/euc_jp.c
@@ -0,0 +1,228 @@
+/**********************************************************************
+  euc_jp.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2005  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "regenc.h"
+
+#define eucjp_islead(c)    ((UChar )((c) - 0xa1) > 0xfe - 0xa1)
+
+static const int EncLen_EUCJP[] = {
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+  1, 1, 1, 1, 1, 1, 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, 3,
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+  1, 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, 1
+};
+
+static int
+eucjp_mbc_enc_len(const UChar* p)
+{
+  return EncLen_EUCJP[*p];
+}
+
+static OnigCodePoint
+eucjp_mbc_to_code(const UChar* p, const UChar* end)
+{
+  int c, i, len;
+  OnigCodePoint n;
+
+  len = enc_len(ONIG_ENCODING_EUC_JP, p);
+  n = (OnigCodePoint )*p++;
+  if (len == 1) return n;
+
+  for (i = 1; i < len; i++) {
+    if (p >= end) break;
+    c = *p++;
+    n <<= 8;  n += c;
+  }
+  return n;
+}
+
+static int
+eucjp_code_to_mbclen(OnigCodePoint code)
+{
+  if (ONIGENC_IS_CODE_ASCII(code)) return 1;
+  else if ((code & 0xff0000) != 0) return 3;
+  else if ((code &   0xff00) != 0) return 2;
+  else return 0;
+}
+
+#if 0
+static int
+eucjp_code_to_mbc_first(OnigCodePoint code)
+{
+  int first;
+
+  if ((code & 0xff0000) != 0) {
+    first = (code >> 16) & 0xff;
+  }
+  else if ((code & 0xff00) != 0) {
+    first = (code >> 8) & 0xff;
+  }
+  else {
+    return (int )code;
+  }
+  return first;
+}
+#endif
+
+static int
+eucjp_code_to_mbc(OnigCodePoint code, UChar *buf)
+{
+  UChar *p = buf;
+
+  if ((code & 0xff0000) != 0) *p++ = (UChar )(((code >> 16) & 0xff));
+  if ((code &   0xff00) != 0) *p++ = (UChar )(((code >>  8) & 0xff));
+  *p++ = (UChar )(code & 0xff);
+
+#if 1
+  if (enc_len(ONIG_ENCODING_EUC_JP, buf) != (p - buf))
+    return ONIGENCERR_INVALID_WIDE_CHAR_VALUE;
+#endif  
+  return p - buf;
+}
+
+static int
+eucjp_mbc_to_normalize(OnigAmbigType flag,
+		       const UChar** pp, const UChar* end, UChar* lower)
+{
+  int len;
+  const UChar* p = *pp;
+
+  if (ONIGENC_IS_MBC_ASCII(p)) {
+    if ((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0) {
+      *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
+    }
+    else {
+      *lower = *p;
+    }
+
+    (*pp)++;
+    return 1;
+  }
+  else {
+    len = enc_len(ONIG_ENCODING_EUC_JP, p);
+    if (lower != p) {
+      int i;
+      for (i = 0; i < len; i++) {
+	*lower++ = *p++;
+      }
+    }
+    (*pp) += len;
+    return len; /* return byte length of converted char to lower */
+  }
+}
+
+static int
+eucjp_is_mbc_ambiguous(OnigAmbigType flag, const UChar** pp, const UChar* end)
+{
+  return onigenc_mbn_is_mbc_ambiguous(ONIG_ENCODING_EUC_JP, flag, pp, end);
+}
+
+static int
+eucjp_is_code_ctype(OnigCodePoint code, unsigned int ctype)
+{
+  if (code < 128)
+    return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
+  else {
+    if ((ctype & (ONIGENC_CTYPE_WORD |
+                  ONIGENC_CTYPE_GRAPH | ONIGENC_CTYPE_PRINT)) != 0) {
+      return (eucjp_code_to_mbclen(code) > 1 ? TRUE : FALSE);
+    }
+  }
+
+  return FALSE;
+}
+
+static UChar*
+eucjp_left_adjust_char_head(const UChar* start, const UChar* s)
+{
+  /* In this encoding
+     mb-trail bytes doesn't mix with single bytes.
+  */
+  const UChar *p;
+  int len;
+
+  if (s <= start) return (UChar* )s;
+  p = s;
+
+  while (!eucjp_islead(*p) && p > start) p--;
+  len = enc_len(ONIG_ENCODING_EUC_JP, p);
+  if (p + len > s) return (UChar* )p;
+  p += len;
+  return (UChar* )(p + ((s - p) & ~1));
+}
+
+static int
+eucjp_is_allowed_reverse_match(const UChar* s, const UChar* end)
+{
+  const UChar c = *s;
+  if (c <= 0x7e || c == 0x8e || c == 0x8f)
+    return TRUE;
+  else
+    return FALSE;
+}
+
+OnigEncodingType OnigEncodingEUC_JP = {
+  eucjp_mbc_enc_len,
+  "EUC-JP",   /* name */
+  3,          /* max enc length */
+  1,          /* min enc length */
+  ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE,
+  {
+      (OnigCodePoint )'\\'                       /* esc */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
+    , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
+  },
+  onigenc_is_mbc_newline_0x0a,
+  eucjp_mbc_to_code,
+  eucjp_code_to_mbclen,
+  eucjp_code_to_mbc,
+  eucjp_mbc_to_normalize,
+  eucjp_is_mbc_ambiguous,
+  onigenc_ascii_get_all_pair_ambig_codes,
+  onigenc_nothing_get_all_comp_ambig_codes,
+  eucjp_is_code_ctype,
+  onigenc_not_support_get_ctype_code_range,
+  eucjp_left_adjust_char_head,
+  eucjp_is_allowed_reverse_match
+};