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| 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 | |
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Chromium Code Reviews
Issue 884123006:
Merge CSSMarkup and CSSOMUtils (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master