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 #include <cppuhelper/supportsservice.hxx>
21 #include <chaptercollator.hxx>
22 #include <com/sun/star/i18n/KCharacterType.hpp>
23 #include <com/sun/star/i18n/ParseResult.hpp>
24 #include <com/sun/star/i18n/CharacterClassification.hpp>
25
26 using namespace ::com::sun::star::lang;
27 using namespace ::com::sun::star::uno;
28 using namespace ::com::sun::star::i18n;
29
30 namespace i18npool {
31
ChapterCollator(const Reference<XComponentContext> & rxContext)32 ChapterCollator::ChapterCollator( const Reference < XComponentContext >& rxContext ) : CollatorImpl(rxContext)
33 {
34 cclass = CharacterClassification::create( rxContext );
35 }
36
~ChapterCollator()37 ChapterCollator::~ChapterCollator()
38 {
39 }
40
41 sal_Int32 SAL_CALL
compareString(const OUString & s1,const OUString & s2)42 ChapterCollator::compareString( const OUString& s1, const OUString& s2)
43 {
44 return compareSubstring(s1, 0, s1.getLength(), s2, 0, s2.getLength());
45 }
46
47 #define DIGIT KCharacterType::DIGIT
48
49 sal_Int32 SAL_CALL
compareSubstring(const OUString & str1,sal_Int32 off1,sal_Int32 len1,const OUString & str2,sal_Int32 off2,sal_Int32 len2)50 ChapterCollator::compareSubstring( const OUString& str1, sal_Int32 off1, sal_Int32 len1,
51 const OUString& str2, sal_Int32 off2, sal_Int32 len2)
52 {
53 if( len1 <= 1 || len2 <= 1 || ! cclass.is() )
54 return CollatorImpl::compareSubstring( str1, off1, len1, str2, off2, len2 );
55
56 sal_Int32 i1, i2;
57 for (i1 = len1; i1 && (cclass->getCharacterType(str1, off1+i1-1, nLocale) & DIGIT); i1--) ;
58 for (i2 = len2; i2 && (cclass->getCharacterType(str2, off2+i2-1, nLocale) & DIGIT); i2--) ;
59
60 sal_Int32 ans = CollatorImpl::compareSubstring(str1, off1, i1, str2, off2, i2);
61 if( ans != 0 )
62 return ans;
63
64 const OUString aAddAllowed("?");
65 ParseResult res1, res2;
66 // since parseAnyToken does not take length as parameter, we have to copy
67 // it to a temp. string.
68 OUString s1 = str1.copy(off1+i1, len1-i1), s2 = str2.copy(off2+i2, len2-i2);
69 res1 = cclass->parseAnyToken( s1, 0, nLocale, DIGIT, aAddAllowed, DIGIT, aAddAllowed );
70 res2 = cclass->parseAnyToken( s2, 0, nLocale, DIGIT, aAddAllowed, DIGIT, aAddAllowed );
71
72 return res1.Value == res2.Value ? 0 : res1.Value > res2.Value ? 1 : -1;
73 }
74
75 const sal_Char cChapCollator[] = "com.sun.star.i18n.ChapterCollator";
76
77 OUString SAL_CALL
getImplementationName()78 ChapterCollator::getImplementationName()
79 {
80 return cChapCollator;
81 }
82
83 sal_Bool SAL_CALL
supportsService(const OUString & rServiceName)84 ChapterCollator::supportsService(const OUString& rServiceName)
85 {
86 return cppu::supportsService(this, rServiceName);
87 }
88
89 Sequence< OUString > SAL_CALL
getSupportedServiceNames()90 ChapterCollator::getSupportedServiceNames()
91 {
92 Sequence< OUString > aRet { cChapCollator };
93 return aRet;
94 }
95
96 }
97 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
98