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 #ifndef _XDICTIONARY_H_ 24 #define _XDICTIONARY_H_ 25 26 #include <sal/types.h> 27 #include <osl/module.h> 28 29 #include <com/sun/star/i18n/Boundary.hpp> 30 31 namespace com { namespace sun { namespace star { namespace i18n { 32 33 // Whether to use cell boundary code, currently unused but prepared. 34 #define USE_CELL_BOUNDARY_CODE 0 35 36 #define CACHE_MAX 32 // max cache structure number 37 #define DEFAULT_SIZE 256 // for boundary size, to avoid alloc and release memory 38 39 // cache structure. 40 struct WordBreakCache { 41 sal_Int32 length; // contents length saved here. 42 sal_Unicode *contents; // separated segment contents. 43 sal_Int32* wordboundary; // word boundaries in segments. 44 sal_Int32 size; // size of wordboundary 45 46 WordBreakCache(); 47 sal_Bool equals(const sal_Unicode *str, Boundary& boundary); // checking cached string 48 }; 49 50 class xdictionary 51 { 52 private: 53 const sal_uInt8 * existMark; 54 const sal_Int16 * index1; 55 const sal_Int32 * index2; 56 const sal_Int32 * lenArray; 57 const sal_Unicode* dataArea; 58 oslModule hModule; 59 Boundary boundary; 60 sal_Bool japaneseWordBreak; 61 62 #if USE_CELL_BOUNDARY_CODE 63 // For CTL breakiterator, where the word boundary should not be inside cell. 64 sal_Bool useCellBoundary; 65 sal_Int32* cellBoundary; 66 #endif 67 68 public: 69 xdictionary(const sal_Char *lang); 70 ~xdictionary(); 71 Boundary nextWord( const rtl::OUString& rText, sal_Int32 nPos, sal_Int16 wordType); 72 Boundary previousWord( const rtl::OUString& rText, sal_Int32 nPos, sal_Int16 wordType); 73 Boundary getWordBoundary( const rtl::OUString& rText, sal_Int32 nPos, sal_Int16 wordType, sal_Bool bDirection ); 74 void setJapaneseWordBreak(); 75 76 #if USE_CELL_BOUNDARY_CODE 77 void setCellBoundary(sal_Int32* cellArray); 78 #endif 79 80 private: 81 WordBreakCache cache[CACHE_MAX]; 82 83 sal_Bool seekSegment(const rtl::OUString& rText, sal_Int32 pos, Boundary& boundary); 84 WordBreakCache& getCache(const sal_Unicode *text, Boundary& boundary); 85 sal_Bool exists(const sal_uInt32 u); 86 sal_Int32 getLongestMatch(const sal_Unicode *text, sal_Int32 len); 87 }; 88 89 } } } } 90 91 #endif 92 93