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| 1 /* | |
| 2 * Copyright (C) 2007 Apple Inc. All rights reserved. | |
| 3 * Copyright (C) 2008 Tony Chang <idealisms@gmail.com> | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions | |
| 7 * are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * 2. Redistributions in binary form must reproduce the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer in the | |
| 13 * documentation and/or other materials provided with the distribution. | |
| 14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
| 15 * its contributors may be used to endorse or promote products derived | |
| 16 * from this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
| 19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
| 22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 */ | |
| 29 | |
| 30 #include "config.h" | |
| 31 #include "core/editing/SmartReplace.h" | |
| 32 | |
| 33 #if !USE(CF) | |
| 34 #include "wtf/Assertions.h" | |
| 35 #include "wtf/text/WTFString.h" | |
| 36 #include <unicode/uset.h> | |
| 37 | |
| 38 namespace blink { | |
| 39 | |
| 40 static void addAllCodePoints(USet* smartSet, const String& string) | |
| 41 { | |
| 42 for (size_t i = 0; i < string.length(); i++) | |
| 43 uset_add(smartSet, string[i]); | |
| 44 } | |
| 45 | |
| 46 // This is mostly a port of the code in WebCore/editing/SmartReplaceCF.cpp | |
| 47 // except we use icu in place of CoreFoundations character classes. | |
| 48 static USet* getSmartSet(bool isPreviousCharacter) | |
| 49 { | |
| 50 static USet* preSmartSet = NULL; | |
| 51 static USet* postSmartSet = NULL; | |
| 52 USet* smartSet = isPreviousCharacter ? preSmartSet : postSmartSet; | |
| 53 if (!smartSet) { | |
| 54 // Whitespace and newline (kCFCharacterSetWhitespaceAndNewline) | |
| 55 UErrorCode ec = U_ZERO_ERROR; | |
| 56 String whitespaceAndNewline("[[:WSpace:] [\\u000A\\u000B\\u000C\\u000D\\
u0085]]"); | |
| 57 smartSet = uset_openPattern(whitespaceAndNewline.charactersWithNullTermi
nation().data(), whitespaceAndNewline.length(), &ec); | |
| 58 ASSERT(U_SUCCESS(ec)); | |
| 59 | |
| 60 // CJK ranges | |
| 61 uset_addRange(smartSet, 0x1100, 0x1100 + 256); // Hangul Jamo (0x1100 -
0x11FF) | |
| 62 uset_addRange(smartSet, 0x2E80, 0x2E80 + 352); // CJK & Kangxi Radicals
(0x2E80 - 0x2FDF) | |
| 63 uset_addRange(smartSet, 0x2FF0, 0x2FF0 + 464); // Ideograph Descriptions
, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun,
& Bopomofo Ext (0x2FF0 - 0x31BF) | |
| 64 uset_addRange(smartSet, 0x3200, 0x3200 + 29392); // Enclosed CJK, CJK Id
eographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF) | |
| 65 uset_addRange(smartSet, 0xAC00, 0xAC00 + 11183); // Hangul Syllables (0x
AC00 - 0xD7AF) | |
| 66 uset_addRange(smartSet, 0xF900, 0xF900 + 352); // CJK Compatibility Ideo
graphs (0xF900 - 0xFA5F) | |
| 67 uset_addRange(smartSet, 0xFE30, 0xFE30 + 32); // CJK Compatibility From
(0xFE30 - 0xFE4F) | |
| 68 uset_addRange(smartSet, 0xFF00, 0xFF00 + 240); // Half/Full Width Form (
0xFF00 - 0xFFEF) | |
| 69 uset_addRange(smartSet, 0x20000, 0x20000 + 0xA6D7); // CJK Ideograph Exn
tension B | |
| 70 uset_addRange(smartSet, 0x2F800, 0x2F800 + 0x021E); // CJK Compatibility
Ideographs (0x2F800 - 0x2FA1D) | |
| 71 | |
| 72 if (isPreviousCharacter) { | |
| 73 addAllCodePoints(smartSet, "([\"\'#$/-`{"); | |
| 74 preSmartSet = smartSet; | |
| 75 } else { | |
| 76 addAllCodePoints(smartSet, ")].,;:?\'!\"%*-/}"); | |
| 77 | |
| 78 // Punctuation (kCFCharacterSetPunctuation) | |
| 79 UErrorCode ec = U_ZERO_ERROR; | |
| 80 String punctuationClass("[:P:]"); | |
| 81 USet* icuPunct = uset_openPattern(punctuationClass.charactersWithNul
lTermination().data(), punctuationClass.length(), &ec); | |
| 82 ASSERT(U_SUCCESS(ec)); | |
| 83 uset_addAll(smartSet, icuPunct); | |
| 84 uset_close(icuPunct); | |
| 85 | |
| 86 postSmartSet = smartSet; | |
| 87 } | |
| 88 } | |
| 89 return smartSet; | |
| 90 } | |
| 91 | |
| 92 bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter) | |
| 93 { | |
| 94 return uset_contains(getSmartSet(isPreviousCharacter), c); | |
| 95 } | |
| 96 | |
| 97 } | |
| 98 | |
| 99 #endif // !USE(CF) | |
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