Update ICU to 54.1 step 1

source/i18n/collationbasedatabuilder.h

+/*
+*******************************************************************************
+* Copyright (C) 2012-2014, International Business Machines
+* Corporation and others.  All Rights Reserved.
+*******************************************************************************
+* collationbasedatabuilder.h
+*
+* created on: 2012aug11
+* created by: Markus W. Scherer
+*/
+
+#ifndef __COLLATIONBASEDATABUILDER_H__
+#define __COLLATIONBASEDATABUILDER_H__
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_COLLATION
+
+#include "unicode/uniset.h"
+#include "unicode/unistr.h"
+#include "collation.h"
+#include "collationdata.h"
+#include "collationdatabuilder.h"
+#include "normalizer2impl.h"
+#include "utrie2.h"
+#include "uvectr32.h"
+#include "uvectr64.h"
+#include "uvector.h"
+
+U_NAMESPACE_BEGIN
+
+/**
+ * Low-level base CollationData builder.
+ */
+class U_I18N_API CollationBaseDataBuilder : public CollationDataBuilder {
+public:
+    CollationBaseDataBuilder(UErrorCode &errorCode);
+
+    virtual ~CollationBaseDataBuilder();
+
+    void init(UErrorCode &errorCode);
+
+    /**
+     * Sets the Han ranges as ranges of offset CE32s.
+     * Note: Unihan extension A sorts after the other BMP ranges.
+     * See http://www.unicode.org/reports/tr10/#Implicit_Weights
+     *
+     * @param ranges array of ranges of [:Unified_Ideograph:] in collation order,
+     *               as (start, end) code point pairs
+     * @param length number of code points (not pairs)
+     * @param errorCode in/out error code
+     */
+    void initHanRanges(const UChar32 ranges[], int32_t length, UErrorCode &errorCode);
+
+    void setNumericPrimary(uint32_t np) { numericPrimary = np; }
+
+    virtual UBool isCompressibleLeadByte(uint32_t b) const;
+
+    void setCompressibleLeadByte(uint32_t b);
+
+    static int32_t diffTwoBytePrimaries(uint32_t p1, uint32_t p2, UBool isCompressible);
+    static int32_t diffThreeBytePrimaries(uint32_t p1, uint32_t p2, UBool isCompressible);
+
+    virtual uint32_t encodeCEs(const int64_t ces[], int32_t cesLength, UErrorCode &errorCode);
+
+    void addRootElements(const int64_t ces[], int32_t cesLength, UErrorCode &errorCode);
+    void addRootElement(int64_t ce, UErrorCode &errorCode);
+
+    void addReorderingGroup(uint32_t firstByte, uint32_t lastByte,
+                            const UnicodeString &groupScripts,
+                            UErrorCode &errorCode);
+
+    virtual void build(CollationData &data, UErrorCode &errorCode);
+
+    void buildRootElementsTable(UVector32 &table, UErrorCode &errorCode);
+
+private:
+    int32_t writeRootElementsRange(
+            uint32_t prevPrimary, uint32_t p, int32_t i,
+            UVector32 &table, UErrorCode &errorCode);
+
+    // Flags for which primary-weight lead bytes are compressible.
+    UBool compressibleBytes[256];
+    uint32_t numericPrimary;
+    uint32_t firstHanPrimary;
+    uint32_t lastHanPrimary;
+    int32_t hanStep;
+    UVector64 rootElements;
+    UnicodeString scripts;
+};
+
+U_NAMESPACE_END
+
+#endif  // !UCONFIG_NO_COLLATION
+#endif  // __COLLATIONBASEDATABUILDER_H__