| /* |
| * Copyright (C) 2007 Apple Inc. All rights reserved. |
| * Copyright (C) 2008 Tony Chang <idealisms@gmail.com> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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. |
| */ |
| |
| #include "third_party/blink/renderer/core/editing/commands/smart_replace.h" |
| |
| #include "build/build_config.h" |
| |
| #if !defined(OS_MAC) |
| #include <unicode/uset.h> |
| #include "third_party/blink/renderer/platform/wtf/assertions.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace blink { |
| |
| static void AddAllCodePoints(USet* smart_set, const String& string) { |
| for (wtf_size_t i = 0; i < string.length(); i++) |
| uset_add(smart_set, string[i]); |
| } |
| |
| // This is mostly a port of the code in |
| // core/editing/commands/smart_replace_cf.cc except we use icu in place of |
| // CoreFoundations character classes. |
| static USet* GetSmartSet(bool is_previous_character) { |
| static USet* pre_smart_set = nullptr; |
| static USet* post_smart_set = nullptr; |
| USet* smart_set = is_previous_character ? pre_smart_set : post_smart_set; |
| if (!smart_set) { |
| // Whitespace and newline (kCFCharacterSetWhitespaceAndNewline) |
| static const UChar* kWhitespaceAndNewLine = reinterpret_cast<const UChar*>( |
| u"[[:WSpace:] [\\u000A\\u000B\\u000C\\u000D\\u0085]]"); |
| UErrorCode ec = U_ZERO_ERROR; |
| smart_set = uset_openPattern( |
| kWhitespaceAndNewLine, |
| LengthOfNullTerminatedString(kWhitespaceAndNewLine), &ec); |
| DCHECK(U_SUCCESS(ec)) << ec; |
| |
| // CJK ranges |
| uset_addRange(smart_set, 0x1100, |
| 0x1100 + 256); // Hangul Jamo (0x1100 - 0x11FF) |
| uset_addRange(smart_set, 0x2E80, |
| 0x2E80 + 352); // CJK & Kangxi Radicals (0x2E80 - 0x2FDF) |
| // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul |
| // Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF) |
| uset_addRange(smart_set, 0x2FF0, 0x2FF0 + 464); |
| // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF) |
| uset_addRange(smart_set, 0x3200, 0x3200 + 29392); |
| uset_addRange(smart_set, 0xAC00, |
| 0xAC00 + 11183); // Hangul Syllables (0xAC00 - 0xD7AF) |
| uset_addRange( |
| smart_set, 0xF900, |
| 0xF900 + 352); // CJK Compatibility Ideographs (0xF900 - 0xFA5F) |
| uset_addRange(smart_set, 0xFE30, |
| 0xFE30 + 32); // CJK Compatibility From (0xFE30 - 0xFE4F) |
| uset_addRange(smart_set, 0xFF00, |
| 0xFF00 + 240); // Half/Full Width Form (0xFF00 - 0xFFEF) |
| uset_addRange(smart_set, 0x20000, |
| 0x20000 + 0xA6D7); // CJK Ideograph Exntension B |
| uset_addRange( |
| smart_set, 0x2F800, |
| 0x2F800 + 0x021E); // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D) |
| |
| if (is_previous_character) { |
| AddAllCodePoints(smart_set, "([\"\'#$/-`{"); |
| pre_smart_set = smart_set; |
| } else { |
| AddAllCodePoints(smart_set, ")].,;:?\'!\"%*-/}"); |
| |
| // Punctuation (kCFCharacterSetPunctuation) |
| static const UChar* kPunctuationClass = |
| reinterpret_cast<const UChar*>(u"[:P:]"); |
| ec = U_ZERO_ERROR; |
| USet* icu_punct = uset_openPattern( |
| kPunctuationClass, LengthOfNullTerminatedString(kPunctuationClass), |
| &ec); |
| DCHECK(U_SUCCESS(ec)) << ec; |
| uset_addAll(smart_set, icu_punct); |
| uset_close(icu_punct); |
| |
| post_smart_set = smart_set; |
| } |
| } |
| return smart_set; |
| } |
| |
| bool IsCharacterSmartReplaceExempt(UChar32 c, bool is_previous_character) { |
| return uset_contains(GetSmartSet(is_previous_character), c); |
| } |
| } |
| |
| #endif // !defined(OS_MAC) |