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1 /* This is JavaScriptCore's variant of the PCRE library. While this library | |
2 started out as a copy of PCRE, many of the features of PCRE have been | |
3 removed. This library now supports only the regular expression features | |
4 required by the JavaScript language specification, and has only the functions | |
5 needed by JavaScriptCore and the rest of WebKit. | |
6 | |
7 Originally written by Philip Hazel | |
8 Copyright (c) 1997-2006 University of Cambridge | |
9 Copyright (C) 2002, 2004, 2006, 2007 Apple Inc. All rights reserved. | |
10 | |
11 ----------------------------------------------------------------------------- | |
12 Redistribution and use in source and binary forms, with or without | |
13 modification, are permitted provided that the following conditions are met: | |
14 | |
15 * Redistributions of source code must retain the above copyright notice, | |
16 this list of conditions and the following disclaimer. | |
17 | |
18 * Redistributions in binary form must reproduce the above copyright | |
19 notice, this list of conditions and the following disclaimer in the | |
20 documentation and/or other materials provided with the distribution. | |
21 | |
22 * Neither the name of the University of Cambridge nor the names of its | |
23 contributors may be used to endorse or promote products derived from | |
24 this software without specific prior written permission. | |
25 | |
26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
27 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
28 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
29 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
30 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
31 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
32 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
33 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
34 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
35 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
36 POSSIBILITY OF SUCH DAMAGE. | |
37 ----------------------------------------------------------------------------- | |
38 */ | |
39 | |
40 /* This module contains some fixed tables that are used by more than one of the | |
41 PCRE code modules. */ | |
42 | |
43 #include "pcre_internal.h" | |
44 | |
45 namespace dart { namespace jscre { | |
46 | |
47 /************************************************* | |
48 * Tables for UTF-8 support * | |
49 *************************************************/ | |
50 | |
51 /* These are the breakpoints for different numbers of bytes in a UTF-8 | |
52 character. */ | |
53 | |
54 const int kjs_pcre_utf8_table1[6] = | |
55 { 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff}; | |
56 | |
57 /* These are the indicator bits and the mask for the data bits to set in the | |
58 first byte of a character, indexed by the number of additional bytes. */ | |
59 | |
60 const int kjs_pcre_utf8_table2[6] = { 0, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc}; | |
61 const int kjs_pcre_utf8_table3[6] = { 0xff, 0x1f, 0x0f, 0x07, 0x03, 0x01}; | |
62 | |
63 /* Table of the number of extra characters, indexed by the first character | |
64 masked with 0x3f. The highest number for a valid UTF-8 character is in fact | |
65 0x3d. */ | |
66 | |
67 const unsigned char kjs_pcre_utf8_table4[0x40] = { | |
68 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, | |
69 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, | |
70 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, | |
71 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 }; | |
72 | |
73 #include "pcre_chartables.c" | |
74 | |
75 } } // namespace dart::jscre | |
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