Check in the pristine copy of ICU 4.6...

icu46/source/i18n/ucol_cnt.h

+/*
+*******************************************************************************
+*
+*   Copyright (C) 2001-2008, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  ucol_tok.cpp
+*   encoding:   US-ASCII
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created 02/22/2001
+*   created by: Vladimir Weinstein
+*
+* This module maintains a contraction table structure in expanded form
+* and provides means to flatten this structure
+* 
+*/
+
+#ifndef UCOL_CNTTABLE_H
+#define UCOL_CNTTABLE_H
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_COLLATION
+
+#include "utrie.h"
+#include "ucol_imp.h"
+
+U_CDECL_BEGIN
+
+#define UPRV_CNTTAB_NEWELEMENT 0xFFFFFF
+
+#define isCntTableElement(CE) (isSpecial((CE)) && \
+((getCETag((CE)) == CONTRACTION_TAG)||(getCETag((CE)) == SPEC_PROC_TAG)))
+
+typedef struct ContractionTable ContractionTable;
+struct ContractionTable {
+    UChar *codePoints;
+    uint32_t *CEs;
+    uint32_t position;
+    uint32_t size;
+};
+
+struct CntTable {
+    ContractionTable **elements;
+    /*CompactEIntArray *mapping;*/
+    UNewTrie *mapping;
+    UChar *codePoints;
+    uint32_t *CEs;
+    int32_t *offsets;
+    int32_t position;
+    int32_t size;
+    int32_t capacity;
+    UColCETags currentTag;
+};
+
+U_CAPI CntTable* U_EXPORT2 
+/*uprv_cnttab_open(CompactEIntArray *mapping, UErrorCode *status);*/
+uprv_cnttab_open(UNewTrie *mapping, UErrorCode *status);
+U_CAPI CntTable* U_EXPORT2 
+uprv_cnttab_clone(CntTable *table, UErrorCode *status);
+U_CAPI void U_EXPORT2 
+uprv_cnttab_close(CntTable *table);
+
+/* construct the table for output */
+U_CAPI int32_t U_EXPORT2 
+uprv_cnttab_constructTable(CntTable *table, uint32_t mainOffset, UErrorCode *status); 
+/* adds more contractions in table. If element is non existant, it creates on. Returns element handle */
+U_CAPI uint32_t U_EXPORT2 
+uprv_cnttab_addContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t value, UErrorCode *status);
+/* sets a part of contraction sequence in table. If element is non existant, it creates on. Returns element handle */
+U_CAPI uint32_t U_EXPORT2 
+uprv_cnttab_setContraction(CntTable *table, uint32_t element, uint32_t offset, UChar codePoint, uint32_t value, UErrorCode *status);
+/* inserts a part of contraction sequence in table. Sequences behind the offset are moved back. If element is non existant, it creates on. Returns element handle */
+U_CAPI uint32_t U_EXPORT2 
+uprv_cnttab_insertContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t value, UErrorCode *status);
+/* this is for adding non contractions */
+U_CAPI uint32_t U_EXPORT2 
+uprv_cnttab_changeLastCE(CntTable *table, uint32_t element, uint32_t value, UErrorCode *status);
+
+U_CAPI int32_t U_EXPORT2 
+uprv_cnttab_findCP(CntTable *table, uint32_t element, UChar codePoint, UErrorCode *status);
+
+U_CAPI uint32_t U_EXPORT2 
+uprv_cnttab_getCE(CntTable *table, uint32_t element, uint32_t position, UErrorCode *status);
+
+U_CAPI uint32_t U_EXPORT2 
+uprv_cnttab_changeContraction(CntTable *table, uint32_t element, UChar codePoint, uint32_t newCE, UErrorCode *status);
+
+U_CAPI uint32_t U_EXPORT2 
+uprv_cnttab_findCE(CntTable *table, uint32_t element, UChar codePoint, UErrorCode *status);
+
+U_CAPI UBool U_EXPORT2 
+uprv_cnttab_isTailored(CntTable *table, uint32_t element, UChar *ztString, UErrorCode *status);
+
+U_CDECL_END
+
+#endif /* #if !UCONFIG_NO_COLLATION */
+
+#endif