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00020 #ifndef __BYTESTRIEBUILDER_H__
00021 #define __BYTESTRIEBUILDER_H__
00022
00023 #include "unicode/utypes.h"
00024 #include "unicode/bytestrie.h"
00025 #include "unicode/stringpiece.h"
00026 #include "unicode/stringtriebuilder.h"
00027
00028 U_NAMESPACE_BEGIN
00029
00030 class BytesTrieElement;
00031 class CharString;
00032
00039 class U_COMMON_API BytesTrieBuilder : public StringTrieBuilder {
00040 public:
00046 BytesTrieBuilder(UErrorCode &errorCode);
00047
00052 virtual ~BytesTrieBuilder();
00053
00068 BytesTrieBuilder &add(const StringPiece &s, int32_t value, UErrorCode &errorCode);
00069
00085 BytesTrie *build(UStringTrieBuildOption buildOption, UErrorCode &errorCode);
00086
00106 StringPiece buildStringPiece(UStringTrieBuildOption buildOption, UErrorCode &errorCode);
00107
00114 BytesTrieBuilder &clear();
00115
00116 private:
00117 BytesTrieBuilder(const BytesTrieBuilder &other);
00118 BytesTrieBuilder &operator=(const BytesTrieBuilder &other);
00119
00120 void buildBytes(UStringTrieBuildOption buildOption, UErrorCode &errorCode);
00121
00122 virtual int32_t getElementStringLength(int32_t i) const;
00123 virtual UChar getElementUnit(int32_t i, int32_t byteIndex) const;
00124 virtual int32_t getElementValue(int32_t i) const;
00125
00126 virtual int32_t getLimitOfLinearMatch(int32_t first, int32_t last, int32_t byteIndex) const;
00127
00128 virtual int32_t countElementUnits(int32_t start, int32_t limit, int32_t byteIndex) const;
00129 virtual int32_t skipElementsBySomeUnits(int32_t i, int32_t byteIndex, int32_t count) const;
00130 virtual int32_t indexOfElementWithNextUnit(int32_t i, int32_t byteIndex, UChar byte) const;
00131
00132 virtual UBool matchNodesCanHaveValues() const { return FALSE; }
00133
00134 virtual int32_t getMaxBranchLinearSubNodeLength() const { return BytesTrie::kMaxBranchLinearSubNodeLength; }
00135 virtual int32_t getMinLinearMatch() const { return BytesTrie::kMinLinearMatch; }
00136 virtual int32_t getMaxLinearMatchLength() const { return BytesTrie::kMaxLinearMatchLength; }
00137
00138 #ifndef U_HIDE_INTERNAL_API
00139
00142 class BTLinearMatchNode : public LinearMatchNode {
00143 public:
00144 BTLinearMatchNode(const char *units, int32_t len, Node *nextNode);
00145 virtual UBool operator==(const Node &other) const;
00146 virtual void write(StringTrieBuilder &builder);
00147 private:
00148 const char *s;
00149 };
00150 #endif
00151
00152 virtual Node *createLinearMatchNode(int32_t i, int32_t byteIndex, int32_t length,
00153 Node *nextNode) const;
00154
00155 UBool ensureCapacity(int32_t length);
00156 virtual int32_t write(int32_t byte);
00157 int32_t write(const char *b, int32_t length);
00158 virtual int32_t writeElementUnits(int32_t i, int32_t byteIndex, int32_t length);
00159 virtual int32_t writeValueAndFinal(int32_t i, UBool isFinal);
00160 virtual int32_t writeValueAndType(UBool hasValue, int32_t value, int32_t node);
00161 virtual int32_t writeDeltaTo(int32_t jumpTarget);
00162
00163 CharString *strings;
00164 BytesTrieElement *elements;
00165 int32_t elementsCapacity;
00166 int32_t elementsLength;
00167
00168
00169
00170 char *bytes;
00171 int32_t bytesCapacity;
00172 int32_t bytesLength;
00173 };
00174
00175 U_NAMESPACE_END
00176
00177 #endif // __BYTESTRIEBUILDER_H__