Imported Upstream version 6.0.0upstream/6.0.0

1 files changed, 274 insertions, 0 deletions

diff --git a/src/iso8859_1.c b/src/iso8859_1.c
new file mode 100644
index 0000000..b2d8c9a
--- /dev/null
+++ b/src/iso8859_1.c
@@ -0,0 +1,274 @@
+/**********************************************************************
+  iso8859_1.c -  Oniguruma (regular expression library)
+**********************************************************************/
+/*-
+ * Copyright (c) 2002-2016  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 ENC_IS_ISO_8859_1_CTYPE(code,ctype) \
+  ((EncISO_8859_1_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
+
+static const unsigned short EncISO_8859_1_CtypeTable[256] = {
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008,
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
+  0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
+  0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
+  0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
+  0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
+  0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
+  0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
+  0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+  0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+  0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+  0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
+  0x0284, 0x01a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
+  0x00a0, 0x00a0, 0x30e2, 0x01a0, 0x00a0, 0x01a0, 0x00a0, 0x00a0,
+  0x00a0, 0x00a0, 0x10a0, 0x10a0, 0x00a0, 0x30e2, 0x00a0, 0x01a0,
+  0x00a0, 0x10a0, 0x30e2, 0x01a0, 0x10a0, 0x10a0, 0x10a0, 0x01a0,
+  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
+  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
+  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x00a0,
+  0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2,
+  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
+  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
+  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0,
+  0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2
+};
+
+static const OnigPairCaseFoldCodes CaseFoldMap[] = {
+  { 0xc0, 0xe0 },
+  { 0xc1, 0xe1 },
+  { 0xc2, 0xe2 },
+  { 0xc3, 0xe3 },
+  { 0xc4, 0xe4 },
+  { 0xc5, 0xe5 },
+  { 0xc6, 0xe6 },
+  { 0xc7, 0xe7 },
+  { 0xc8, 0xe8 },
+  { 0xc9, 0xe9 },
+  { 0xca, 0xea },
+  { 0xcb, 0xeb },
+  { 0xcc, 0xec },
+  { 0xcd, 0xed },
+  { 0xce, 0xee },
+  { 0xcf, 0xef },
+
+  { 0xd0, 0xf0 },
+  { 0xd1, 0xf1 },
+  { 0xd2, 0xf2 },
+  { 0xd3, 0xf3 },
+  { 0xd4, 0xf4 },
+  { 0xd5, 0xf5 },
+  { 0xd6, 0xf6 },
+  { 0xd8, 0xf8 },
+  { 0xd9, 0xf9 },
+  { 0xda, 0xfa },
+  { 0xdb, 0xfb },
+  { 0xdc, 0xfc },
+  { 0xdd, 0xfd },
+  { 0xde, 0xfe }
+};
+
+static int
+apply_all_case_fold(OnigCaseFoldType flag,
+		    OnigApplyAllCaseFoldFunc f, void* arg)
+{
+  return onigenc_apply_all_case_fold_with_map(
+            sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1,
+            flag, f, arg);
+}
+
+static int
+get_case_fold_codes_by_str(OnigCaseFoldType flag ARG_UNUSED,
+			   const OnigUChar* p, const OnigUChar* end,
+			   OnigCaseFoldCodeItem items[])
+{
+  if (0x41 <= *p && *p <= 0x5a) {
+    items[0].byte_len = 1;
+    items[0].code_len = 1;
+    items[0].code[0] = (OnigCodePoint )(*p + 0x20);
+    if (*p == 0x53 && end > p + 1
+	&& (*(p+1) == 0x53 || *(p+1) == 0x73)) { /* SS */
+      items[1].byte_len = 2;
+      items[1].code_len = 1;
+      items[1].code[0] = (OnigCodePoint )0xdf;
+      return 2;
+    }
+    else
+      return 1;
+  }
+  else if (0x61 <= *p && *p <= 0x7a) {
+    items[0].byte_len = 1;
+    items[0].code_len = 1;
+    items[0].code[0] = (OnigCodePoint )(*p - 0x20);
+    if (*p == 0x73 && end > p + 1
+	&& (*(p+1) == 0x73 || *(p+1) == 0x53)) { /* ss */
+      items[1].byte_len = 2;
+      items[1].code_len = 1;
+      items[1].code[0] = (OnigCodePoint )0xdf;
+      return 2;
+    }
+    else
+      return 1;
+  }
+  else if (0xc0 <= *p && *p <= 0xcf) {
+    items[0].byte_len = 1;
+    items[0].code_len = 1;
+    items[0].code[0] = (OnigCodePoint )(*p + 0x20);
+    return 1;
+  }
+  else if (0xd0 <= *p && *p <= 0xdf) {
+    if (*p == 0xdf) {
+      items[0].byte_len = 1;
+      items[0].code_len = 2;
+      items[0].code[0] = (OnigCodePoint )'s';
+      items[0].code[1] = (OnigCodePoint )'s';
+
+      items[1].byte_len = 1;
+      items[1].code_len = 2;
+      items[1].code[0] = (OnigCodePoint )'S';
+      items[1].code[1] = (OnigCodePoint )'S';
+
+      items[2].byte_len = 1;
+      items[2].code_len = 2;
+      items[2].code[0] = (OnigCodePoint )'s';
+      items[2].code[1] = (OnigCodePoint )'S';
+
+      items[3].byte_len = 1;
+      items[3].code_len = 2;
+      items[3].code[0] = (OnigCodePoint )'S';
+      items[3].code[1] = (OnigCodePoint )'s';
+
+      return 4;
+    }
+    else if (*p != 0xd7) {
+      items[0].byte_len = 1;
+      items[0].code_len = 1;
+      items[0].code[0] = (OnigCodePoint )(*p + 0x20);
+      return 1;
+    }
+  }
+  else if (0xe0 <= *p && *p <= 0xef) {
+    items[0].byte_len = 1;
+    items[0].code_len = 1;
+    items[0].code[0] = (OnigCodePoint )(*p - 0x20);
+    return 1;
+  }
+  else if (0xf0 <= *p && *p <= 0xfe) {
+    if (*p != 0xf7) {
+      items[0].byte_len = 1;
+      items[0].code_len = 1;
+      items[0].code[0] = (OnigCodePoint )(*p - 0x20);
+      return 1;
+    }
+  }
+
+  return 0;
+}
+
+static int
+mbc_case_fold(OnigCaseFoldType flag, const UChar** pp,
+	      const UChar* end ARG_UNUSED, UChar* lower)
+{
+  const UChar* p = *pp;
+
+  if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+    *lower++ = 's';
+    *lower   = 's';
+    (*pp)++;
+    return 2;
+  }
+
+  *lower = ONIGENC_ISO_8859_1_TO_LOWER_CASE(*p);
+  (*pp)++;
+  return 1;
+}
+
+#if 0
+static int
+is_mbc_ambiguous(OnigCaseFoldType flag,
+		 const UChar** pp, const UChar* end)
+{
+  int v;
+  const UChar* p = *pp;
+
+  if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
+    (*pp)++;
+    return TRUE;
+  }
+
+  (*pp)++;
+  v = (EncISO_8859_1_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
+  if ((v | BIT_CTYPE_LOWER) != 0) {
+    /* 0xdf, 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */
+    if (*p >= 0xaa && *p <= 0xba)
+      return FALSE;
+    else
+      return TRUE;
+  }
+
+  return (v != 0 ? TRUE : FALSE);
+}
+#endif
+
+static int
+is_code_ctype(OnigCodePoint code, unsigned int ctype)
+{
+  if (code < 256)
+    return ENC_IS_ISO_8859_1_CTYPE(code, ctype);
+  else
+    return FALSE;
+}
+
+OnigEncodingType OnigEncodingISO_8859_1 = {
+  onigenc_single_byte_mbc_enc_len,
+  "ISO-8859-1",  /* name */
+  1,             /* max enc length */
+  1,             /* min enc length */
+  onigenc_is_mbc_newline_0x0a,
+  onigenc_single_byte_mbc_to_code,
+  onigenc_single_byte_code_to_mbclen,
+  onigenc_single_byte_code_to_mbc,
+  mbc_case_fold,
+  apply_all_case_fold,
+  get_case_fold_codes_by_str,
+  onigenc_minimum_property_name_to_ctype,
+  is_code_ctype,
+  onigenc_not_support_get_ctype_code_range,
+  onigenc_single_byte_left_adjust_char_head,
+  onigenc_always_true_is_allowed_reverse_match,
+  NULL, /* init */
+  NULL  /* is_initialized */
+};