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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #define BREAKITERATOR_ALL
22 : #include <breakiterator_cjk.hxx>
23 : #include <localedata.hxx>
24 : #include <i18nutil/unicode.hxx>
25 :
26 : using namespace ::com::sun::star::uno;
27 : using namespace ::com::sun::star::lang;
28 : using namespace ::rtl;
29 :
30 : namespace com { namespace sun { namespace star { namespace i18n {
31 :
32 : // ----------------------------------------------------
33 : // class BreakIterator_CJK
34 : // ----------------------------------------------------;
35 :
36 3 : BreakIterator_CJK::BreakIterator_CJK() :
37 : dict( NULL ),
38 3 : hangingCharacters()
39 : {
40 3 : cBreakIterator = "com.sun.star.i18n.BreakIterator_CJK";
41 3 : }
42 :
43 : Boundary SAL_CALL
44 0 : BreakIterator_CJK::previousWord(const OUString& text, sal_Int32 anyPos,
45 : const lang::Locale& nLocale, sal_Int16 wordType) throw(RuntimeException)
46 : {
47 0 : if (dict) {
48 0 : result = dict->previousWord(text, anyPos, wordType);
49 : // #109813# for non-CJK, single character word, fallback to ICU breakiterator.
50 0 : if (result.endPos - result.startPos != 1 ||
51 0 : getScriptType(text, result.startPos) == ScriptType::ASIAN)
52 0 : return result;
53 0 : result = BreakIterator_Unicode::getWordBoundary(text, result.startPos, nLocale, wordType, true);
54 0 : if (result.endPos < anyPos)
55 0 : return result;
56 : }
57 0 : return BreakIterator_Unicode::previousWord(text, anyPos, nLocale, wordType);
58 : }
59 :
60 : Boundary SAL_CALL
61 0 : BreakIterator_CJK::nextWord(const OUString& text, sal_Int32 anyPos,
62 : const lang::Locale& nLocale, sal_Int16 wordType) throw(RuntimeException)
63 : {
64 0 : if (dict) {
65 0 : result = dict->nextWord(text, anyPos, wordType);
66 : // #109813# for non-CJK, single character word, fallback to ICU breakiterator.
67 0 : if (result.endPos - result.startPos != 1 ||
68 0 : getScriptType(text, result.startPos) == ScriptType::ASIAN)
69 0 : return result;
70 0 : result = BreakIterator_Unicode::getWordBoundary(text, result.startPos, nLocale, wordType, true);
71 0 : if (result.startPos > anyPos)
72 0 : return result;
73 : }
74 0 : return BreakIterator_Unicode::nextWord(text, anyPos, nLocale, wordType);
75 : }
76 :
77 : Boundary SAL_CALL
78 56 : BreakIterator_CJK::getWordBoundary( const OUString& text, sal_Int32 anyPos,
79 : const lang::Locale& nLocale, sal_Int16 wordType, sal_Bool bDirection )
80 : throw(RuntimeException)
81 : {
82 56 : if (dict) {
83 56 : result = dict->getWordBoundary(text, anyPos, wordType, bDirection);
84 : // #109813# for non-CJK, single character word, fallback to ICU breakiterator.
85 97 : if (result.endPos - result.startPos != 1 ||
86 41 : getScriptType(text, result.startPos) == ScriptType::ASIAN)
87 56 : return result;
88 : }
89 0 : return BreakIterator_Unicode::getWordBoundary(text, anyPos, nLocale, wordType, bDirection);
90 : }
91 :
92 0 : LineBreakResults SAL_CALL BreakIterator_CJK::getLineBreak(
93 : const OUString& Text, sal_Int32 nStartPos,
94 : const lang::Locale& /*rLocale*/, sal_Int32 /*nMinBreakPos*/,
95 : const LineBreakHyphenationOptions& /*hOptions*/,
96 : const LineBreakUserOptions& bOptions ) throw(RuntimeException)
97 : {
98 0 : LineBreakResults lbr;
99 :
100 0 : if (bOptions.allowPunctuationOutsideMargin &&
101 0 : hangingCharacters.indexOf(Text[nStartPos]) != -1 &&
102 0 : (Text.iterateCodePoints( &nStartPos, 1), nStartPos == Text.getLength())) {
103 : ; // do nothing
104 0 : } else if (bOptions.applyForbiddenRules && 0 < nStartPos && nStartPos < Text.getLength()) {
105 0 : while (nStartPos > 0 &&
106 0 : (bOptions.forbiddenBeginCharacters.indexOf(Text[nStartPos]) != -1 ||
107 0 : bOptions.forbiddenEndCharacters.indexOf(Text[nStartPos-1]) != -1))
108 0 : Text.iterateCodePoints( &nStartPos, -1);
109 : }
110 :
111 0 : lbr.breakIndex = nStartPos;
112 0 : lbr.breakType = BreakType::WORDBOUNDARY;
113 0 : return lbr;
114 : }
115 :
116 : #define LOCALE(language, country) lang::Locale(OUString::createFromAscii(language), OUString::createFromAscii(country), OUString())
117 : // ----------------------------------------------------
118 : // class BreakIterator_zh
119 : // ----------------------------------------------------;
120 2 : BreakIterator_zh::BreakIterator_zh()
121 : {
122 2 : dict = new xdictionary("zh");
123 2 : hangingCharacters = LocaleData().getHangingCharacters(LOCALE("zh", "CN"));
124 2 : cBreakIterator = "com.sun.star.i18n.BreakIterator_zh";
125 2 : }
126 :
127 6 : BreakIterator_zh::~BreakIterator_zh()
128 : {
129 2 : delete dict;
130 4 : }
131 :
132 : // ----------------------------------------------------
133 : // class BreakIterator_zh_TW
134 : // ----------------------------------------------------;
135 0 : BreakIterator_zh_TW::BreakIterator_zh_TW()
136 : {
137 0 : dict = new xdictionary("zh");
138 0 : hangingCharacters = LocaleData().getHangingCharacters(LOCALE("zh", "TW"));
139 0 : cBreakIterator = "com.sun.star.i18n.BreakIterator_zh_TW";
140 0 : }
141 :
142 0 : BreakIterator_zh_TW::~BreakIterator_zh_TW()
143 : {
144 0 : delete dict;
145 0 : }
146 :
147 : // ----------------------------------------------------
148 : // class BreakIterator_ja
149 : // ----------------------------------------------------;
150 1 : BreakIterator_ja::BreakIterator_ja()
151 : {
152 1 : dict = new xdictionary("ja");
153 1 : dict->setJapaneseWordBreak();
154 1 : hangingCharacters = LocaleData().getHangingCharacters(LOCALE("ja", "JP"));
155 1 : cBreakIterator = "com.sun.star.i18n.BreakIterator_ja";
156 1 : }
157 :
158 3 : BreakIterator_ja::~BreakIterator_ja()
159 : {
160 1 : delete dict;
161 2 : }
162 :
163 : // ----------------------------------------------------
164 : // class BreakIterator_ko
165 : // ----------------------------------------------------;
166 0 : BreakIterator_ko::BreakIterator_ko()
167 : {
168 0 : hangingCharacters = LocaleData().getHangingCharacters(LOCALE("ko", "KR"));
169 0 : cBreakIterator = "com.sun.star.i18n.BreakIterator_ko";
170 0 : }
171 :
172 0 : BreakIterator_ko::~BreakIterator_ko()
173 : {
174 0 : }
175 :
176 : } } } }
177 :
178 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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