Check in the pristine copy of ICU 4.6...

icu46/source/tools/gennorm2/n2builder.h

+/*
+*******************************************************************************
+*
+*   Copyright (C) 2009-2010, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  n2builder.h
+*   encoding:   US-ASCII
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2009nov25
+*   created by: Markus W. Scherer
+*/
+
+#ifndef __N2BUILDER_H__
+#define __N2BUILDER_H__
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_NORMALIZATION
+
+#include "unicode/errorcode.h"
+#include "unicode/unistr.h"
+#include "normalizer2impl.h"  // for IX_COUNT
+#include "toolutil.h"
+#include "utrie2.h"
+
+U_NAMESPACE_BEGIN
+
+extern UBool beVerbose, haveCopyright;
+
+struct Norm;
+
+class BuilderReorderingBuffer;
+class ExtraDataWriter;
+
+class Normalizer2DataBuilder {
+public:
+    Normalizer2DataBuilder(UErrorCode &errorCode);
+    ~Normalizer2DataBuilder();
+
+    enum OverrideHandling {
+        OVERRIDE_NONE,
+        OVERRIDE_ANY,
+        OVERRIDE_PREVIOUS
+    };
+
+    void setOverrideHandling(OverrideHandling oh);
+
+    enum Optimization {
+        OPTIMIZE_NORMAL,
+        OPTIMIZE_FAST
+    };
+
+    void setOptimization(Optimization opt) { optimization=opt; }
+
+    void setCC(UChar32 c, uint8_t cc);
+    void setOneWayMapping(UChar32 c, const UnicodeString &m);
+    void setRoundTripMapping(UChar32 c, const UnicodeString &m);
+    void removeMapping(UChar32 c);
+
+    void setUnicodeVersion(const char *v);
+
+    void writeBinaryFile(const char *filename);
+
+private:
+    friend class CompositionBuilder;
+    friend class Decomposer;
+    friend class ExtraDataWriter;
+    friend class Norm16Writer;
+
+    // No copy constructor nor assignment operator.
+    Normalizer2DataBuilder(const Normalizer2DataBuilder &other);
+    Normalizer2DataBuilder &operator=(const Normalizer2DataBuilder &other);
+
+    Norm *allocNorm();
+    Norm *getNorm(UChar32 c);
+    Norm *createNorm(UChar32 c);
+    Norm *checkNormForMapping(Norm *p, UChar32 c);  // check for permitted overrides
+
+    const Norm &getNormRef(UChar32 c) const;
+    uint8_t getCC(UChar32 c) const;
+    UBool combinesWithCCBetween(const Norm &norm, uint8_t lowCC, uint8_t highCC) const;
+    UChar32 combine(const Norm &norm, UChar32 trail) const;
+
+    void addComposition(UChar32 start, UChar32 end, uint32_t value);
+    UBool decompose(UChar32 start, UChar32 end, uint32_t value);
+    void reorder(Norm *p, BuilderReorderingBuffer &buffer);
+    UBool hasNoCompBoundaryAfter(BuilderReorderingBuffer &buffer);
+    void setHangulData();
+    void writeMapping(UChar32 c, const Norm *p, UnicodeString &dataString);
+    void writeCompositions(UChar32 c, const Norm *p, UnicodeString &dataString);
+    void writeExtraData(UChar32 c, uint32_t value, ExtraDataWriter &writer);
+    int32_t getCenterNoNoDelta() {
+        return indexes[Normalizer2Impl::IX_MIN_MAYBE_YES]-Normalizer2Impl::MAX_DELTA-1;
+    }
+    void writeNorm16(UChar32 start, UChar32 end, uint32_t value);
+    void processData();
+
+    UTrie2 *normTrie;
+    UToolMemory *normMem;
+    Norm *norms;
+
+    int32_t phase;
+    OverrideHandling overrideHandling;
+
+    Optimization optimization;
+
+    int32_t indexes[Normalizer2Impl::IX_COUNT];
+    UTrie2 *norm16Trie;
+    UnicodeString extraData;
+
+    UVersionInfo unicodeVersion;
+};
+
+U_NAMESPACE_END
+
+#endif // #if !UCONFIG_NO_NORMALIZATION
+
+#endif  // __N2BUILDER_H__