OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright (c) 2010 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "core/css/CSSOMUtils.h" | |
33 | |
34 #include "wtf/HexNumber.h" | |
35 #include "wtf/text/StringBuilder.h" | |
36 | |
37 namespace blink { | |
38 | |
39 void serializeCharacter(UChar32 c, StringBuilder& appendTo) | |
40 { | |
41 appendTo.append('\\'); | |
42 appendTo.append(c); | |
43 } | |
44 | |
45 void serializeCharacterAsCodePoint(UChar32 c, StringBuilder& appendTo) | |
46 { | |
47 appendTo.append('\\'); | |
48 appendUnsignedAsHex(c, appendTo, Lowercase); | |
49 appendTo.append(' '); | |
50 } | |
51 | |
52 void serializeIdentifier(const String& identifier, StringBuilder& appendTo) | |
53 { | |
54 bool isFirst = true; | |
55 bool isSecond = false; | |
56 bool isFirstCharHyphen = false; | |
57 unsigned index = 0; | |
58 while (index < identifier.length()) { | |
59 UChar32 c = identifier.characterStartingAt(index); | |
60 index += U16_LENGTH(c); | |
61 | |
62 if (c <= 0x1f || (0x30 <= c && c <= 0x39 && (isFirst || (isSecond && isF
irstCharHyphen)))) | |
63 serializeCharacterAsCodePoint(c, appendTo); | |
64 else if (c == 0x2d && isSecond && isFirstCharHyphen) | |
65 serializeCharacter(c, appendTo); | |
66 else if (0x80 <= c || c == 0x2d || c == 0x5f || (0x30 <= c && c <= 0x39)
|| (0x41 <= c && c <= 0x5a) || (0x61 <= c && c <= 0x7a)) | |
67 appendTo.append(c); | |
68 else | |
69 serializeCharacter(c, appendTo); | |
70 | |
71 if (isFirst) { | |
72 isFirst = false; | |
73 isSecond = true; | |
74 isFirstCharHyphen = (c == 0x2d); | |
75 } else if (isSecond) { | |
76 isSecond = false; | |
77 } | |
78 } | |
79 } | |
80 | |
81 void serializeString(const String& string, StringBuilder& appendTo) | |
82 { | |
83 appendTo.append('\"'); | |
84 | |
85 unsigned index = 0; | |
86 while (index < string.length()) { | |
87 UChar32 c = string.characterStartingAt(index); | |
88 index += U16_LENGTH(c); | |
89 if (c <= 0x1f) | |
90 serializeCharacterAsCodePoint(c, appendTo); | |
91 else if (c == 0x22 || c == 0x5c) | |
92 serializeCharacter(c, appendTo); | |
93 else | |
94 appendTo.append(c); | |
95 } | |
96 | |
97 appendTo.append('\"'); | |
98 } | |
99 | |
100 } // namespace blink | |
OLD | NEW |