1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_i18npool.hxx" 26 27 // prevent internal compiler error with MSVC6SP3 28 #include <utility> 29 30 #include <i18nutil/oneToOneMapping.hxx> 31 #include <i18nutil/casefolding.hxx> 32 #include "transliteration_caseignore.hxx" 33 34 using namespace ::com::sun::star::uno; 35 using namespace ::com::sun::star::lang; 36 using namespace ::rtl; 37 38 namespace com { namespace sun { namespace star { namespace i18n { 39 40 Transliteration_caseignore::Transliteration_caseignore() 41 { 42 nMappingType = MappingTypeFullFolding; 43 moduleLoaded = (TransliterationModules)0; 44 transliterationName = "case ignore (generic)"; 45 implementationName = "com.sun.star.i18n.Transliteration.Transliteration_caseignore"; 46 } 47 48 #if 0 49 /* NOTE: We had this, derived from Transliteration_caseignore, but it was 50 * unused code. Deactivated with #i89580# but left for reference in case 51 * MappingTypeSimpleFolding would be needed at some time. 52 */ 53 Transliteration_simplecaseignore::Transliteration_simplecaseignore() 54 { 55 nMappingType = MappingTypeSimpleFolding; 56 moduleLoaded = (TransliterationModules)0; 57 transliterationName = "simple case ignore (generic)"; 58 implementationName = "com.sun.star.i18n.Transliteration.Transliteration_simplecaseignore"; 59 } 60 #endif 61 62 void SAL_CALL 63 Transliteration_caseignore::loadModule( TransliterationModules modName, const Locale& rLocale ) 64 throw(RuntimeException) 65 { 66 moduleLoaded = (TransliterationModules) (moduleLoaded|modName); 67 aLocale = rLocale; 68 } 69 70 sal_Int16 SAL_CALL Transliteration_caseignore::getType() throw(RuntimeException) 71 { 72 // It's NOT TransliterationType::ONE_TO_ONE because it's using casefolding 73 return TransliterationType::IGNORE; 74 } 75 76 77 Sequence< OUString > SAL_CALL 78 Transliteration_caseignore::transliterateRange( const OUString& str1, const OUString& str2 ) 79 throw( RuntimeException) 80 { 81 if (str1.getLength() != 1 || str2.getLength() != 1) 82 throw RuntimeException(); 83 84 static Transliteration_u2l u2l; 85 static Transliteration_l2u l2u; 86 87 u2l.loadModule((TransliterationModules)0, aLocale); 88 l2u.loadModule((TransliterationModules)0, aLocale); 89 90 OUString l1 = u2l.transliterateString2String(str1, 0, str1.getLength()); 91 OUString u1 = l2u.transliterateString2String(str1, 0, str1.getLength()); 92 OUString l2 = u2l.transliterateString2String(str2, 0, str2.getLength()); 93 OUString u2 = l2u.transliterateString2String(str2, 0, str2.getLength()); 94 95 if ((l1 == u1) && (l2 == u2)) { 96 Sequence< OUString > r(2); 97 r[0] = l1; 98 r[1] = l2; 99 return r; 100 } else { 101 Sequence< OUString > r(4); 102 r[0] = l1; 103 r[1] = l2; 104 r[2] = u1; 105 r[3] = u2; 106 return r; 107 } 108 } 109 110 sal_Bool SAL_CALL 111 Transliteration_caseignore::equals( 112 const ::rtl::OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1, 113 const ::rtl::OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2) 114 throw(::com::sun::star::uno::RuntimeException) 115 { 116 return (compare(str1, pos1, nCount1, nMatch1, str2, pos2, nCount2, nMatch2) == 0); 117 } 118 119 sal_Int32 SAL_CALL 120 Transliteration_caseignore::compareSubstring( 121 const ::rtl::OUString& str1, sal_Int32 off1, sal_Int32 len1, 122 const ::rtl::OUString& str2, sal_Int32 off2, sal_Int32 len2) 123 throw(RuntimeException) 124 { 125 sal_Int32 nMatch1, nMatch2; 126 return compare(str1, off1, len1, nMatch1, str2, off2, len2, nMatch2); 127 } 128 129 130 sal_Int32 SAL_CALL 131 Transliteration_caseignore::compareString( 132 const ::rtl::OUString& str1, 133 const ::rtl::OUString& str2) 134 throw(RuntimeException) 135 { 136 sal_Int32 nMatch1, nMatch2; 137 return compare(str1, 0, str1.getLength(), nMatch1, str2, 0, str2.getLength(), nMatch2); 138 } 139 140 sal_Int32 SAL_CALL 141 Transliteration_caseignore::compare( 142 const ::rtl::OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1, 143 const ::rtl::OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2) 144 throw(RuntimeException) 145 { 146 const sal_Unicode *unistr1 = (sal_Unicode*) str1.getStr() + pos1; 147 const sal_Unicode *unistr2 = (sal_Unicode*) str2.getStr() + pos2; 148 sal_Unicode c1, c2; 149 MappingElement e1, e2; 150 nMatch1 = nMatch2 = 0; 151 152 #define NOT_END_OF_STR1 (nMatch1 < nCount1 || e1.current < e1.element.nmap) 153 #define NOT_END_OF_STR2 (nMatch2 < nCount2 || e2.current < e2.element.nmap) 154 155 while (NOT_END_OF_STR1 && NOT_END_OF_STR2) { 156 c1 = casefolding::getNextChar(unistr1, nMatch1, nCount1, e1, aLocale, nMappingType, moduleLoaded); 157 c2 = casefolding::getNextChar(unistr2, nMatch2, nCount2, e2, aLocale, nMappingType, moduleLoaded); 158 if (c1 != c2) { 159 nMatch1--; nMatch2--; 160 return c1 > c2 ? 1 : -1; 161 } 162 } 163 164 return (!NOT_END_OF_STR1 && !NOT_END_OF_STR2) ? 0 165 : (NOT_END_OF_STR1 ? 1 : -1); 166 } 167 168 } } } } 169