1 /* 2 ******************************************************************************* 3 * 4 * Copyright (C) 2009-2011, International Business Machines 5 * Corporation and others. All Rights Reserved. 6 * 7 ******************************************************************************* 8 * file name: n2builder.h 9 * encoding: US-ASCII 10 * tab size: 8 (not used) 11 * indentation:4 12 * 13 * created on: 2009nov25 14 * created by: Markus W. Scherer 15 */ 16 17 #ifndef __N2BUILDER_H__ 18 #define __N2BUILDER_H__ 19 20 #include "unicode/utypes.h" 21 22 #if !UCONFIG_NO_NORMALIZATION 23 24 #include "unicode/errorcode.h" 25 #include "unicode/unistr.h" 26 #include "normalizer2impl.h" // for IX_COUNT 27 #include "toolutil.h" 28 #include "utrie2.h" 29 30 U_NAMESPACE_BEGIN 31 32 extern UBool beVerbose, haveCopyright; 33 34 struct Norm; 35 36 class BuilderReorderingBuffer; 37 class ExtraDataWriter; 38 39 class Normalizer2DataBuilder { 40 public: 41 Normalizer2DataBuilder(UErrorCode &errorCode); 42 ~Normalizer2DataBuilder(); 43 44 enum OverrideHandling { 45 OVERRIDE_NONE, 46 OVERRIDE_ANY, 47 OVERRIDE_PREVIOUS 48 }; 49 50 void setOverrideHandling(OverrideHandling oh); 51 52 enum Optimization { 53 OPTIMIZE_NORMAL, 54 OPTIMIZE_FAST 55 }; 56 57 void setOptimization(Optimization opt) { optimization=opt; } 58 59 void setCC(UChar32 c, uint8_t cc); 60 void setOneWayMapping(UChar32 c, const UnicodeString &m); 61 void setRoundTripMapping(UChar32 c, const UnicodeString &m); 62 void removeMapping(UChar32 c); 63 64 void setUnicodeVersion(const char *v); 65 66 void writeBinaryFile(const char *filename); 67 68 private: 69 friend class CompositionBuilder; 70 friend class Decomposer; 71 friend class ExtraDataWriter; 72 friend class Norm16Writer; 73 74 // No copy constructor nor assignment operator. 75 Normalizer2DataBuilder(const Normalizer2DataBuilder &other); 76 Normalizer2DataBuilder &operator=(const Normalizer2DataBuilder &other); 77 78 Norm *allocNorm(); 79 Norm *getNorm(UChar32 c); 80 Norm *createNorm(UChar32 c); 81 Norm *checkNormForMapping(Norm *p, UChar32 c); // check for permitted overrides 82 83 const Norm &getNormRef(UChar32 c) const; 84 uint8_t getCC(UChar32 c) const; 85 UBool combinesWithCCBetween(const Norm &norm, uint8_t lowCC, uint8_t highCC) const; 86 UChar32 combine(const Norm &norm, UChar32 trail) const; 87 88 void addComposition(UChar32 start, UChar32 end, uint32_t value); 89 UBool decompose(UChar32 start, UChar32 end, uint32_t value); 90 void reorder(Norm *p, BuilderReorderingBuffer &buffer); 91 UBool hasNoCompBoundaryAfter(BuilderReorderingBuffer &buffer); 92 void setHangulData(); 93 int32_t writeMapping(UChar32 c, const Norm *p, UnicodeString &dataString); 94 void writeCompositions(UChar32 c, const Norm *p, UnicodeString &dataString); 95 void writeExtraData(UChar32 c, uint32_t value, ExtraDataWriter &writer); 96 int32_t getCenterNoNoDelta() { 97 return indexes[Normalizer2Impl::IX_MIN_MAYBE_YES]-Normalizer2Impl::MAX_DELTA-1; 98 } 99 void writeNorm16(UChar32 start, UChar32 end, uint32_t value); 100 void processData(); 101 102 UTrie2 *normTrie; 103 UToolMemory *normMem; 104 Norm *norms; 105 106 int32_t phase; 107 OverrideHandling overrideHandling; 108 109 Optimization optimization; 110 111 int32_t indexes[Normalizer2Impl::IX_COUNT]; 112 UTrie2 *norm16Trie; 113 UnicodeString extraData; 114 uint8_t smallFCD[0x100]; 115 116 UVersionInfo unicodeVersion; 117 }; 118 119 U_NAMESPACE_END 120 121 #endif // #if !UCONFIG_NO_NORMALIZATION 122 123 #endif // __N2BUILDER_H__ 124
