* enc/utf_{16,32}{be,le}.c: renamed to match with encoding names.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14949 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

4 files changed, 0 insertions, 869 deletions

diff --git a/enc/utf16_be.c b/enc/utf16_be.c
deleted file mode 100644
index a069142322..0000000000
--- a/enc/utf16_be.c
+++ /dev/null
@@ -1,239 +0,0 @@
-/**********************************************************************
-  utf16_be.c -  Oniguruma (regular expression library)
-**********************************************************************/
-/*-
- * Copyright (c) 2002-2007  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"
-
-OnigEncodingDeclare(UTF16_BE);
-
-#define UTF16_IS_SURROGATE_FIRST(c)    (c >= 0xd8 && c <= 0xdb)
-#define UTF16_IS_SURROGATE_SECOND(c)   (c >= 0xdc && c <= 0xdf)
-
-static const int EncLen_UTF16[] = {
-  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, 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, 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, 4, 4, 4, 4, 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
-};
-
-static int
-utf16be_mbc_enc_len(const UChar* p, const OnigUChar* e ARG_UNUSED,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return EncLen_UTF16[*p];
-}
-
-static int
-utf16be_is_mbc_newline(const UChar* p, const UChar* end,
-		       struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  if (p + 1 < end) {
-    if (*(p+1) == 0x0a && *p == 0x00)
-      return 1;
-#ifdef USE_UNICODE_ALL_LINE_TERMINATORS
-    if ((
-#ifndef USE_CRNL_AS_LINE_TERMINATOR
-	 *(p+1) == 0x0d ||
-#endif
-	 *(p+1) == 0x85) && *p == 0x00)
-      return 1;
-    if (*p == 0x20 && (*(p+1) == 0x29 || *(p+1) == 0x28))
-      return 1;
-#endif
-  }
-  return 0;
-}
-
-static OnigCodePoint
-utf16be_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  OnigCodePoint code;
-
-  if (UTF16_IS_SURROGATE_FIRST(*p)) {
-    code = ((((p[0] - 0xd8) << 2) + ((p[1] & 0xc0) >> 6) + 1) << 16)
-         + ((((p[1] & 0x3f) << 2) + (p[2] - 0xdc)) << 8)
-         + p[3];
-  }
-  else {
-    code = p[0] * 256 + p[1];
-  }
-  return code;
-}
-
-static int
-utf16be_code_to_mbclen(OnigCodePoint code,
-		       struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return (code > 0xffff ? 4 : 2);
-}
-
-static int
-utf16be_code_to_mbc(OnigCodePoint code, UChar *buf,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  UChar* p = buf;
-
-  if (code > 0xffff) {
-    unsigned int plane, high;
-
-    plane = code >> 16;
-    *p++ = (plane >> 2) + 0xd8;
-    high = (code & 0xff00) >> 8;
-    *p++ = ((plane & 0x03) << 6) + (high >> 2);
-    *p++ = (high & 0x02) + 0xdc;
-    *p   = (UChar )(code & 0xff);
-    return 4;
-  }
-  else {
-    *p++ = (UChar )((code & 0xff00) >> 8);
-    *p++ = (UChar )(code & 0xff);
-    return 2;
-  }
-}
-
-static int
-utf16be_mbc_case_fold(OnigCaseFoldType flag,
-		      const UChar** pp, const UChar* end, UChar* fold,
-		      struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  const UChar* p = *pp;
-
-  if (ONIGENC_IS_ASCII_CODE(*(p+1)) && *p == 0) {
-    p++;
-#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
-    if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
-      if (*p == 0x49) {
-	*fold++ = 0x01;
-	*fold   = 0x31;
-	(*pp) += 2;
-	return 2;
-      }
-    }
-#endif
-
-    *fold++ = 0;
-    *fold   = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
-    *pp += 2;
-    return 2;
-  }
-  else
-    return onigenc_unicode_mbc_case_fold(&OnigEncodingName(UTF16_BE), flag,
-					 pp, end, fold);
-}
-
-#if 0
-static int
-utf16be_is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end)
-{
-  const UChar* p = *pp;
-
-  (*pp) += EncLen_UTF16[*p];
-
-  if (*p == 0) {
-    int c, v;
-
-    p++;
-    if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
-      return TRUE;
-    }
-
-    c = *p;
-    v = ONIGENC_IS_UNICODE_ISO_8859_1_BIT_CTYPE(c,
-		(BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
-
-    if ((v | BIT_CTYPE_LOWER) != 0) {
-      /* 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */
-      if (c >= 0xaa && c <= 0xba)
-	return FALSE;
-      else
-	return TRUE;
-    }
-    return (v != 0 ? TRUE : FALSE);
-  }
-
-  return FALSE;
-}
-#endif
-
-static UChar*
-utf16be_left_adjust_char_head(const UChar* start, const UChar* s,
-			      struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  if (s <= start) return (UChar* )s;
-
-  if ((s - start) % 2 == 1) {
-    s--;
-  }
-
-  if (UTF16_IS_SURROGATE_SECOND(*s) && s > start + 1)
-    s -= 2;
-
-  return (UChar* )s;
-}
-
-static int
-utf16be_get_case_fold_codes_by_str(OnigCaseFoldType flag,
-				   const OnigUChar* p, const OnigUChar* end,
-				   OnigCaseFoldCodeItem items[],
-				   struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return onigenc_unicode_get_case_fold_codes_by_str(&OnigEncodingName(UTF16_BE),
-						    flag, p, end, items);
-}
-
-OnigEncodingDefine(utf16_be, UTF16_BE) = {
-  utf16be_mbc_enc_len,
-  "UTF-16BE",   /* name */
-  4,            /* max byte length */
-  2,            /* min byte length */
-  utf16be_is_mbc_newline,
-  utf16be_mbc_to_code,
-  utf16be_code_to_mbclen,
-  utf16be_code_to_mbc,
-  utf16be_mbc_case_fold,
-  onigenc_unicode_apply_all_case_fold,
-  utf16be_get_case_fold_codes_by_str,
-  onigenc_unicode_property_name_to_ctype,
-  onigenc_unicode_is_code_ctype,
-  onigenc_utf16_32_get_ctype_code_range,
-  utf16be_left_adjust_char_head,
-  onigenc_always_false_is_allowed_reverse_match
-};
diff --git a/enc/utf16_le.c b/enc/utf16_le.c
deleted file mode 100644
index e059b52abe..0000000000
--- a/enc/utf16_le.c
+++ /dev/null
@@ -1,240 +0,0 @@
-/**********************************************************************
-  utf16_le.c -  Oniguruma (regular expression library)
-**********************************************************************/
-/*-
- * Copyright (c) 2002-2007  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"
-
-OnigEncodingDeclare(UTF16_LE);
-
-#define UTF16_IS_SURROGATE_FIRST(c)    (c >= 0xd8 && c <= 0xdb)
-#define UTF16_IS_SURROGATE_SECOND(c)   (c >= 0xdc && c <= 0xdf)
-
-static const int EncLen_UTF16[] = {
-  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, 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, 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, 4, 4, 4, 4, 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
-};
-
-static int
-utf16le_mbc_enc_len(const UChar* p, const OnigUChar* e ARG_UNUSED,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return EncLen_UTF16[*(p+1)];
-}
-
-static int
-utf16le_is_mbc_newline(const UChar* p, const UChar* end,
-		       struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  if (p + 1 < end) {
-    if (*p == 0x0a && *(p+1) == 0x00)
-      return 1;
-#ifdef USE_UNICODE_ALL_LINE_TERMINATORS
-    if ((
-#ifndef USE_CRNL_AS_LINE_TERMINATOR
-	 *p == 0x0d ||
-#endif
-	 *p == 0x85) && *(p+1) == 0x00)
-      return 1;
-    if (*(p+1) == 0x20 && (*p == 0x29 || *p == 0x28))
-      return 1;
-#endif
-  }
-  return 0;
-}
-
-static OnigCodePoint
-utf16le_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  OnigCodePoint code;
-  UChar c0 = *p;
-  UChar c1 = *(p+1);
-
-  if (UTF16_IS_SURROGATE_FIRST(c1)) {
-    code = ((((c1 - 0xd8) << 2) + ((c0  & 0xc0) >> 6) + 1) << 16)
-         + ((((c0 & 0x3f) << 2) + (p[3] - 0xdc)) << 8)
-         + p[2];
-  }
-  else {
-    code = c1 * 256 + p[0];
-  }
-  return code;
-}
-
-static int
-utf16le_code_to_mbclen(OnigCodePoint code,
-		       struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return (code > 0xffff ? 4 : 2);
-}
-
-static int
-utf16le_code_to_mbc(OnigCodePoint code, UChar *buf,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  UChar* p = buf;
-
-  if (code > 0xffff) {
-    unsigned int plane, high;
-
-    plane = code >> 16;
-    high = (code & 0xff00) >> 8;
-
-    *p++ = ((plane & 0x03) << 6) + (high >> 2);
-    *p++ = (plane >> 2) + 0xd8;
-    *p++ = (UChar )(code & 0xff);
-    *p   = (high & 0x02) + 0xdc;
-    return 4;
-  }
-  else {
-    *p++ = (UChar )(code & 0xff);
-    *p++ = (UChar )((code & 0xff00) >> 8);
-    return 2;
-  }
-}
-
-static int
-utf16le_mbc_case_fold(OnigCaseFoldType flag,
-		      const UChar** pp, const UChar* end, UChar* fold,
-		      struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  const UChar* p = *pp;
-
-  if (ONIGENC_IS_ASCII_CODE(*p) && *(p+1) == 0) {
-#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
-    if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
-      if (*p == 0x49) {
-	*fold++ = 0x31;
-	*fold   = 0x01;
-	(*pp) += 2;
-	return 2;
-      }
-    }
-#endif
-
-    *fold++ = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
-    *fold   = 0;
-    *pp += 2;
-    return 2;
-  }
-  else
-    return onigenc_unicode_mbc_case_fold(&OnigEncodingName(UTF16_LE), flag, pp,
-					 end, fold);
-}
-
-#if 0
-static int
-utf16le_is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp,
-			 const UChar* end)
-{
-  const UChar* p = *pp;
-
-  (*pp) += EncLen_UTF16[*(p+1)];
-
-  if (*(p+1) == 0) {
-    int c, v;
-
-    if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
-      return TRUE;
-    }
-
-    c = *p;
-    v = ONIGENC_IS_UNICODE_ISO_8859_1_BIT_CTYPE(c,
-                       (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
-    if ((v | BIT_CTYPE_LOWER) != 0) {
-      /* 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */
-      if (c >= 0xaa && c <= 0xba)
-	return FALSE;
-      else
-	return TRUE;
-    }
-    return (v != 0 ? TRUE : FALSE);
-  }
-
-  return FALSE;
-}
-#endif
-
-static UChar*
-utf16le_left_adjust_char_head(const UChar* start, const UChar* s,
-			      struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  if (s <= start) return (UChar* )s;
-
-  if ((s - start) % 2 == 1) {
-    s--;
-  }
-
-  if (UTF16_IS_SURROGATE_SECOND(*(s+1)) && s > start + 1)
-    s -= 2;
-
-  return (UChar* )s;
-}
-
-static int
-utf16le_get_case_fold_codes_by_str(OnigCaseFoldType flag,
-				   const OnigUChar* p, const OnigUChar* end,
-				   OnigCaseFoldCodeItem items[],
-				   struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return onigenc_unicode_get_case_fold_codes_by_str(&OnigEncodingName(UTF16_LE),
-						    flag, p, end, items);
-}
-
-OnigEncodingDefine(utf16_le, UTF16_LE) = {
-  utf16le_mbc_enc_len,
-  "UTF-16LE",   /* name */
-  4,            /* max byte length */
-  2,            /* min byte length */
-  utf16le_is_mbc_newline,
-  utf16le_mbc_to_code,
-  utf16le_code_to_mbclen,
-  utf16le_code_to_mbc,
-  utf16le_mbc_case_fold,
-  onigenc_unicode_apply_all_case_fold,
-  utf16le_get_case_fold_codes_by_str,
-  onigenc_unicode_property_name_to_ctype,
-  onigenc_unicode_is_code_ctype,
-  onigenc_utf16_32_get_ctype_code_range,
-  utf16le_left_adjust_char_head,
-  onigenc_always_false_is_allowed_reverse_match
-};
diff --git a/enc/utf32_be.c b/enc/utf32_be.c
deleted file mode 100644
index 1cf8d99954..0000000000
--- a/enc/utf32_be.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/**********************************************************************
-  utf32_be.c -  Oniguruma (regular expression library)
-**********************************************************************/
-/*-
- * Copyright (c) 2002-2007  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"
-
-OnigEncodingDeclare(UTF32_BE);
-
-static int
-utf32be_mbc_enc_len(const UChar* p ARG_UNUSED, const OnigUChar* e ARG_UNUSED,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return 4;
-}
-
-static int
-utf32be_is_mbc_newline(const UChar* p, const UChar* end,
-		       struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  if (p + 3 < end) {
-    if (*(p+3) == 0x0a && *(p+2) == 0 && *(p+1) == 0 && *p == 0)
-      return 1;
-#ifdef USE_UNICODE_ALL_LINE_TERMINATORS
-    if ((
-#ifndef USE_CRNL_AS_LINE_TERMINATOR
-	 *(p+3) == 0x0d ||
-#endif
-	 *(p+3) == 0x85)
-	&& *(p+2) == 0 && *(p+1) == 0 && *p == 0x00)
-      return 1;
-    if (*(p+2) == 0x20 && (*(p+3) == 0x29 || *(p+3) == 0x28)
-	&& *(p+1) == 0 && *p == 0)
-      return 1;
-#endif
-  }
-  return 0;
-}
-
-static OnigCodePoint
-utf32be_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return (OnigCodePoint )(((p[0] * 256 + p[1]) * 256 + p[2]) * 256 + p[3]);
-}
-
-static int
-utf32be_code_to_mbclen(OnigCodePoint code ARG_UNUSED,
-		       struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return 4;
-}
-
-static int
-utf32be_code_to_mbc(OnigCodePoint code, UChar *buf,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  UChar* p = buf;
-
-  *p++ = (UChar )((code & 0xff000000) >>24);
-  *p++ = (UChar )((code & 0xff0000)   >>16);
-  *p++ = (UChar )((code & 0xff00)     >> 8);
-  *p++ = (UChar ) (code & 0xff);
-  return 4;
-}
-
-static int
-utf32be_mbc_case_fold(OnigCaseFoldType flag,
-		      const UChar** pp, const UChar* end, UChar* fold,
-		      struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  const UChar* p = *pp;
-
-  if (ONIGENC_IS_ASCII_CODE(*(p+3)) && *(p+2) == 0 && *(p+1) == 0 && *p == 0) {
-    *fold++ = 0;
-    *fold++ = 0;
-
-#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
-    if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
-      if (*(p+3) == 0x49) {
-	*fold++ = 0x01;
-	*fold   = 0x31;
-	(*pp) += 4;
-	return 4;
-      }
-    }
-#endif
-
-    *fold++ = 0;
-    *fold   = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*(p+3));
-    *pp += 4;
-    return 4;
-  }
-  else
-    return onigenc_unicode_mbc_case_fold(&OnigEncodingName(UTF32_BE), flag, pp,
-					 end, fold);
-}
-
-#if 0
-static int
-utf32be_is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end)
-{
-  const UChar* p = *pp;
-
-  (*pp) += 4;
-
-  if (*(p+2) == 0 && *(p+1) == 0 && *p == 0) {
-    int c, v;
-
-    p += 3;
-    if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
-      return TRUE;
-    }
-
-    c = *p;
-    v = ONIGENC_IS_UNICODE_ISO_8859_1_BIT_CTYPE(c,
-                       (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
-    if ((v | BIT_CTYPE_LOWER) != 0) {
-      /* 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */
-      if (c >= 0xaa && c <= 0xba)
-	return FALSE;
-      else
-	return TRUE;
-    }
-    return (v != 0 ? TRUE : FALSE);
-  }
-
-  return FALSE;
-}
-#endif
-
-static UChar*
-utf32be_left_adjust_char_head(const UChar* start, const UChar* s,
-			      struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  int rem;
-
-  if (s <= start) return (UChar* )s;
-
-  rem = (s - start) % 4;
-  return (UChar* )(s - rem);
-}
-
-static int
-utf32be_get_case_fold_codes_by_str(OnigCaseFoldType flag,
-				   const OnigUChar* p, const OnigUChar* end,
-				   OnigCaseFoldCodeItem items[],
-				   struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return onigenc_unicode_get_case_fold_codes_by_str(&OnigEncodingName(UTF32_BE),
-						    flag, p, end, items);
-}
-
-OnigEncodingDefine(utf32_be, UTF32_BE) = {
-  utf32be_mbc_enc_len,
-  "UTF-32BE",   /* name */
-  4,            /* max byte length */
-  4,            /* min byte length */
-  utf32be_is_mbc_newline,
-  utf32be_mbc_to_code,
-  utf32be_code_to_mbclen,
-  utf32be_code_to_mbc,
-  utf32be_mbc_case_fold,
-  onigenc_unicode_apply_all_case_fold,
-  utf32be_get_case_fold_codes_by_str,
-  onigenc_unicode_property_name_to_ctype,
-  onigenc_unicode_is_code_ctype,
-  onigenc_utf16_32_get_ctype_code_range,
-  utf32be_left_adjust_char_head,
-  onigenc_always_false_is_allowed_reverse_match
-};
diff --git a/enc/utf32_le.c b/enc/utf32_le.c
deleted file mode 100644
index 85daf43e47..0000000000
--- a/enc/utf32_le.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/**********************************************************************
-  utf32_le.c -  Oniguruma (regular expression library)
-**********************************************************************/
-/*-
- * Copyright (c) 2002-2007  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"
-
-OnigEncodingDeclare(UTF32_LE);
-
-static int
-utf32le_mbc_enc_len(const UChar* p ARG_UNUSED, const OnigUChar* e ARG_UNUSED,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return 4;
-}
-
-static int
-utf32le_is_mbc_newline(const UChar* p, const UChar* end,
-		       struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  if (p + 3 < end) {
-    if (*p == 0x0a && *(p+1) == 0 && *(p+2) == 0 && *(p+3) == 0)
-      return 1;
-#ifdef USE_UNICODE_ALL_LINE_TERMINATORS
-    if ((
-#ifndef USE_CRNL_AS_LINE_TERMINATOR
-	 *p == 0x0d ||
-#endif
-	 *p == 0x85)
-	&& *(p+1) == 0x00 && (p+2) == 0x00 && *(p+3) == 0x00)
-      return 1;
-    if (*(p+1) == 0x20 && (*p == 0x29 || *p == 0x28)
-	&& *(p+2) == 0x00 && *(p+3) == 0x00)
-      return 1;
-#endif
-  }
-  return 0;
-}
-
-static OnigCodePoint
-utf32le_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return (OnigCodePoint )(((p[3] * 256 + p[2]) * 256 + p[1]) * 256 + p[0]);
-}
-
-static int
-utf32le_code_to_mbclen(OnigCodePoint code ARG_UNUSED,
-		       struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return 4;
-}
-
-static int
-utf32le_code_to_mbc(OnigCodePoint code, UChar *buf,
-		    struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  UChar* p = buf;
-
-  *p++ = (UChar ) (code & 0xff);
-  *p++ = (UChar )((code & 0xff00)     >> 8);
-  *p++ = (UChar )((code & 0xff0000)   >>16);
-  *p++ = (UChar )((code & 0xff000000) >>24);
-  return 4;
-}
-
-static int
-utf32le_mbc_case_fold(OnigCaseFoldType flag,
-		      const UChar** pp, const UChar* end, UChar* fold,
-		      struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  const UChar* p = *pp;
-
-  if (ONIGENC_IS_ASCII_CODE(*p) && *(p+1) == 0 && *(p+2) == 0 && *(p+3) == 0) {
-#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
-    if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
-      if (*p == 0x49) {
-	*fold++ = 0x31;
-	*fold++ = 0x01;
-      }
-    }
-    else {
-#endif
-      *fold++ = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
-      *fold++ = 0;
-#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
-    }
-#endif
-
-    *fold++ = 0;
-    *fold   = 0;
-    *pp += 4;
-    return 4;
-  }
-  else
-    return onigenc_unicode_mbc_case_fold(&OnigEncodingName(UTF32_LE), flag, pp,
-					 end, fold);
-}
-
-#if 0
-static int
-utf32le_is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end)
-{
-  const UChar* p = *pp;
-
-  (*pp) += 4;
-
-  if (*(p+1) == 0 && *(p+2) == 0 && *(p+3) == 0) {
-    int c, v;
-
-    if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
-      return TRUE;
-    }
-
-    c = *p;
-    v = ONIGENC_IS_UNICODE_ISO_8859_1_BIT_CTYPE(c,
-                       (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
-    if ((v | BIT_CTYPE_LOWER) != 0) {
-      /* 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */
-      if (c >= 0xaa && c <= 0xba)
-	return FALSE;
-      else
-	return TRUE;
-    }
-    return (v != 0 ? TRUE : FALSE);
-  }
-
-  return FALSE;
-}
-#endif
-
-static UChar*
-utf32le_left_adjust_char_head(const UChar* start, const UChar* s,
-			      struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  int rem;
-
-  if (s <= start) return (UChar* )s;
-
-  rem = (s - start) % 4;
-  return (UChar* )(s - rem);
-}
-
-static int
-utf32le_get_case_fold_codes_by_str(OnigCaseFoldType flag,
-				   const OnigUChar* p, const OnigUChar* end,
-				   OnigCaseFoldCodeItem items[],
-				   struct OnigEncodingTypeST* enc ARG_UNUSED)
-{
-  return onigenc_unicode_get_case_fold_codes_by_str(&OnigEncodingName(UTF32_LE),
-						    flag, p, end, items);
-}
-
-OnigEncodingDefine(utf32_le, UTF32_LE) = {
-  utf32le_mbc_enc_len,
-  "UTF-32LE",   /* name */
-  4,            /* max byte length */
-  4,            /* min byte length */
-  utf32le_is_mbc_newline,
-  utf32le_mbc_to_code,
-  utf32le_code_to_mbclen,
-  utf32le_code_to_mbc,
-  utf32le_mbc_case_fold,
-  onigenc_unicode_apply_all_case_fold,
-  utf32le_get_case_fold_codes_by_str,
-  onigenc_unicode_property_name_to_ctype,
-  onigenc_unicode_is_code_ctype,
-  onigenc_utf16_32_get_ctype_code_range,
-  utf32le_left_adjust_char_head,
-  onigenc_always_false_is_allowed_reverse_match
-};