diff options
author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2016-05-10 05:12:17 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2016-05-10 05:12:17 +0200 |
commit | 5e01a4852b31d537307994248869caf38b4023cc (patch) | |
tree | 769c60020afcb58437477f348dca58fb0c789f64 /enc/utf16_le.c | |
parent | 766e109fd638ef1eac33717b52e04a351da46483 (diff) |
Imported Upstream version 6.0.0upstream/6.0.0
Diffstat (limited to 'enc/utf16_le.c')
-rw-r--r-- | enc/utf16_le.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/enc/utf16_le.c b/enc/utf16_le.c deleted file mode 100644 index 5cc0759..0000000 --- a/enc/utf16_le.c +++ /dev/null @@ -1,226 +0,0 @@ -/********************************************************************** - utf16_le.c - Oniguruma (regular expression library) -**********************************************************************/ -/*- - * Copyright (c) 2002-2008 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" - -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_code_to_mbclen(OnigCodePoint code) -{ - return (code > 0xffff ? 4 : 2); -} - -static int -utf16le_mbc_enc_len(const UChar* p) -{ - return EncLen_UTF16[*(p+1)]; -} - -static int -utf16le_is_mbc_newline(const UChar* p, const UChar* end) -{ - 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) -{ - 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_mbc(OnigCodePoint code, UChar *buf) -{ - UChar* p = buf; - - if (code > 0xffff) { - unsigned int plane, high; - - plane = (code >> 16) - 1; - high = (code & 0xff00) >> 8; - - *p++ = ((plane & 0x03) << 6) + (high >> 2); - *p++ = (plane >> 2) + 0xd8; - *p++ = (UChar )(code & 0xff); - *p = (high & 0x03) + 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) -{ - 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(ONIG_ENCODING_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) -{ - 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[]) -{ - return onigenc_unicode_get_case_fold_codes_by_str(ONIG_ENCODING_UTF16_LE, - flag, p, end, items); -} - -OnigEncodingType OnigEncodingUTF16_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 -}; |