This commit was generated by cvs2svn to compensate for changes in r7203,

which included commits to RCS files with non-trunk default branches.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 113 insertions, 45 deletions

diff --git a/sjis.c b/sjis.c
index 8485910e69..f1256c4460 100644
--- a/sjis.c
+++ b/sjis.c
@@ -1,12 +1,53 @@
 /**********************************************************************
-
   sjis.c -  Oniguruma (regular expression library)
-
-  Copyright (C) 2003-2004  K.Kosako (kosako@sofnec.co.jp)
-
 **********************************************************************/
+/*-
+ * Copyright (c) 2002-2004  K.Kosako  <kosako AT sofnec DOT co 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"
 
+static int EncLen_SJIS[] = {
+  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, 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, 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, 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, 1, 1
+};
+
 static const char SJIS_CAN_BE_TRAIL_TABLE[256] = {
   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,
@@ -26,17 +67,39 @@ static const char SJIS_CAN_BE_TRAIL_TABLE[256] = {
   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0
 };
 
-#define SJIS_ISMB_FIRST(byte)  (OnigEncodingSJIS.len_table[byte] > 1)
+#define SJIS_ISMB_FIRST(byte)  (EncLen_SJIS[byte] > 1)
 #define SJIS_ISMB_TRAIL(byte)  SJIS_CAN_BE_TRAIL_TABLE[(byte)]
 
+static int
+sjis_mbc_enc_len(UChar* p)
+{
+  return EncLen_SJIS[*p];
+}
+
+extern int
+sjis_code_to_mbclen(OnigCodePoint code)
+{
+  if (code < 256) {
+    if (EncLen_SJIS[(int )code] == 1)
+      return 1;
+    else
+      return 0;
+  }
+  else if (code <= 0xffff) {
+    return 2;
+  }
+  else
+    return 0;
+}
+
 static OnigCodePoint
 sjis_mbc_to_code(UChar* p, UChar* end)
 {
   int c, i, len;
   OnigCodePoint n;
 
+  len = enc_len(ONIG_ENCODING_SJIS, p);
   c = *p++;
-  len = enc_len(ONIG_ENCODING_SJIS, c);
   n = c;
   if (len == 1) return n;
 
@@ -57,43 +120,57 @@ sjis_code_to_mbc(OnigCodePoint code, UChar *buf)
   *p++ = (UChar )(code & 0xff);
 
 #if 0
-  if (enc_len(ONIG_ENCODING_SJIS, buf[0]) != (p - buf))
+  if (enc_len(ONIG_ENCODING_SJIS, buf) != (p - buf))
     return REGERR_INVALID_WIDE_CHAR_VALUE;
 #endif
   return p - buf;
 }
 
 static int
-sjis_mbc_to_lower(UChar* p, UChar* lower)
+sjis_mbc_to_normalize(OnigAmbigType flag, UChar** pp, UChar* end, UChar* lower)
 {
-  int len;
+  UChar* p = *pp;
 
   if (ONIGENC_IS_MBC_ASCII(p)) {
-    *lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*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_SJIS, *p);
+    int len = enc_len(ONIG_ENCODING_SJIS, p);
+
     if (lower != p) {
-      /* memcpy(lower, p, len); */
       int i;
       for (i = 0; i < len; i++) {
 	*lower++ = *p++;
       }
     }
+    (*pp) += len;
     return len; /* return byte length of converted char to lower */
   }
 }
 
 static int
-sjis_code_is_ctype(OnigCodePoint code, unsigned int ctype)
+sjis_is_mbc_ambiguous(OnigAmbigType flag, UChar** pp, UChar* end)
+{
+  return onigenc_mbn_is_mbc_ambiguous(ONIG_ENCODING_SJIS, flag, pp, end);
+                                      
+}
+
+static int
+sjis_is_code_ctype(OnigCodePoint code, unsigned int ctype)
 {
   if ((ctype & ONIGENC_CTYPE_WORD) != 0) {
     if (code < 128)
       return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
     else {
-      int first = onigenc_mb2_code_to_mbc_first(code);
-      return (enc_len(ONIG_ENCODING_SJIS, first) > 1 ? TRUE : FALSE);
+      return (sjis_code_to_mbclen(code) > 1 ? TRUE : FALSE);
     }
 
     ctype &= ~ONIGENC_CTYPE_WORD;
@@ -123,7 +200,7 @@ sjis_left_adjust_char_head(UChar* start, UChar* s)
       }
     } 
   }
-  len = enc_len(ONIG_ENCODING_SJIS, *p);
+  len = enc_len(ONIG_ENCODING_SJIS, p);
   if (p + len > s) return p;
   p += len;
   return p + ((s - p) & ~1);
@@ -137,38 +214,29 @@ sjis_is_allowed_reverse_match(UChar* s, UChar* end)
 }
 
 OnigEncodingType OnigEncodingSJIS = {
-  {
-    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, 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, 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, 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, 1, 1
-  },
+  sjis_mbc_enc_len,
   "Shift_JIS",   /* name */
   2,             /* max byte length */
-  FALSE,         /* is_fold_match */
-  ONIGENC_CTYPE_SUPPORT_LEVEL_SB,     /* ctype_support_level */
-  FALSE,         /* is continuous sb mb codepoint */
+  1,             /* min byte 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,
   sjis_mbc_to_code,
-  onigenc_mb2_code_to_mbclen,
+  sjis_code_to_mbclen,
   sjis_code_to_mbc,
-  sjis_mbc_to_lower,
-  onigenc_mbn_mbc_is_case_ambig,
-  sjis_code_is_ctype,
-  onigenc_nothing_get_ctype_code_range,
+  sjis_mbc_to_normalize,
+  sjis_is_mbc_ambiguous,
+  onigenc_ascii_get_all_pair_ambig_codes,
+  onigenc_nothing_get_all_comp_ambig_codes,
+  sjis_is_code_ctype,
+  onigenc_not_support_get_ctype_code_range,
   sjis_left_adjust_char_head,
-  sjis_is_allowed_reverse_match,
-  onigenc_nothing_get_all_fold_match_code,
-  onigenc_nothing_get_fold_match_info
+  sjis_is_allowed_reverse_match
 };