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Diffstat (limited to 'JavaScriptCore/pcre/pcre_tables.cpp')
-rw-r--r-- | JavaScriptCore/pcre/pcre_tables.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/JavaScriptCore/pcre/pcre_tables.cpp b/JavaScriptCore/pcre/pcre_tables.cpp new file mode 100644 index 0000000..164a3ab --- /dev/null +++ b/JavaScriptCore/pcre/pcre_tables.cpp @@ -0,0 +1,71 @@ +/* This is JavaScriptCore's variant of the PCRE library. While this library +started out as a copy of PCRE, many of the features of PCRE have been +removed. This library now supports only the regular expression features +required by the JavaScript language specification, and has only the functions +needed by JavaScriptCore and the rest of WebKit. + + Originally written by Philip Hazel + Copyright (c) 1997-2006 University of Cambridge + Copyright (C) 2002, 2004, 2006, 2007 Apple Inc. All rights reserved. + +----------------------------------------------------------------------------- +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + * 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. + + * Neither the name of the University of Cambridge nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. +----------------------------------------------------------------------------- +*/ + +/* This module contains some fixed tables that are used by more than one of the +PCRE code modules. */ + +#include "pcre_internal.h" + +/************************************************* +* Tables for UTF-8 support * +*************************************************/ + +/* These are the breakpoints for different numbers of bytes in a UTF-8 +character. */ + +const int kjs_pcre_utf8_table1[6] = + { 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff}; + +/* These are the indicator bits and the mask for the data bits to set in the +first byte of a character, indexed by the number of additional bytes. */ + +const int kjs_pcre_utf8_table2[6] = { 0, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc}; +const int kjs_pcre_utf8_table3[6] = { 0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01}; + +/* Table of the number of extra characters, indexed by the first character +masked with 0x3f. The highest number for a valid UTF-8 character is in fact +0x3d. */ + +const unsigned char kjs_pcre_utf8_table4[0x40] = { + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 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, + 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 }; + +#include "chartables.c" |