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Commit	Line	Data
	1	/*
	2	*******************************************************************************
	3	*
	4	* Copyright (C) 2001-2008, International Business Machines
	5	* Corporation and others. All Rights Reserved.
	6	*
	7	*******************************************************************************
	8	* file name: ucol_tok.cpp
	9	* encoding: US-ASCII
	10	* tab size: 8 (not used)
	11	* indentation:4
	12	*
	13	* created 02/22/2001
	14	* created by: Vladimir Weinstein
	15	*
	16	* This module maintains a contraction table structure in expanded form
	17	* and provides means to flatten this structure
	18	*
	19	*/
	20
	21	#ifndef UCOL_CNTTABLE_H
	22	#define UCOL_CNTTABLE_H
	23
	24	#include "unicode/utypes.h"
	25
	26	#if !UCONFIG_NO_COLLATION
	27
	28	#include "utrie.h"
	29	#include "ucol_imp.h"
	30
	31	U_CDECL_BEGIN
	32
	33	#define UPRV_CNTTAB_NEWELEMENT 0xFFFFFF
	34
	35	#define isCntTableElement(CE) (isSpecial((CE)) && \
	36	((getCETag((CE)) == CONTRACTION_TAG)\|\|(getCETag((CE)) == SPEC_PROC_TAG)))
	37
	38	typedef struct ContractionTable ContractionTable;
	39	struct ContractionTable {
	40	UChar *codePoints;
	41	uint32_t *CEs;
	42	uint32_t position;
	43	uint32_t size;
	44	};
	45
	46	struct CntTable {
	47	ContractionTable **elements;
	48	/CompactEIntArray mapping;*/
	49	UNewTrie *mapping;
	50	UChar *codePoints;
	51	uint32_t *CEs;
	52	int32_t *offsets;
	53	int32_t position;
	54	int32_t size;
	55	int32_t capacity;
	56	UColCETags currentTag;
	57	};
	58
	59	U_CAPI CntTable* U_EXPORT2
	60	/uprv_cnttab_open(CompactEIntArray mapping, UErrorCode status);/
	61	uprv_cnttab_open(UNewTrie mapping, UErrorCode status);
	62	U_CAPI CntTable* U_EXPORT2
	63	uprv_cnttab_clone(CntTable table, UErrorCode status);
	64	U_CAPI void U_EXPORT2
	65	uprv_cnttab_close(CntTable *table);
	66
	67	/* construct the table for output */
	68	U_CAPI int32_t U_EXPORT2
	69	uprv_cnttab_constructTable(CntTable table, uint32_t mainOffset, UErrorCode status);
	70	/* adds more contractions in table. If element is non existant, it creates on. Returns element handle */
	71	U_CAPI uint32_t U_EXPORT2
	72	uprv_cnttab_addContraction(CntTable table, uint32_t element, UChar codePoint, uint32_t value, UErrorCode status);
	73	/* sets a part of contraction sequence in table. If element is non existant, it creates on. Returns element handle */
	74	U_CAPI uint32_t U_EXPORT2
	75	uprv_cnttab_setContraction(CntTable table, uint32_t element, uint32_t offset, UChar codePoint, uint32_t value, UErrorCode status);
	76	/* 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 */
	77	U_CAPI uint32_t U_EXPORT2
	78	uprv_cnttab_insertContraction(CntTable table, uint32_t element, UChar codePoint, uint32_t value, UErrorCode status);
	79	/* this is for adding non contractions */
	80	U_CAPI uint32_t U_EXPORT2
	81	uprv_cnttab_changeLastCE(CntTable table, uint32_t element, uint32_t value, UErrorCode status);
	82
	83	U_CAPI int32_t U_EXPORT2
	84	uprv_cnttab_findCP(CntTable table, uint32_t element, UChar codePoint, UErrorCode status);
	85
	86	U_CAPI uint32_t U_EXPORT2
	87	uprv_cnttab_getCE(CntTable table, uint32_t element, uint32_t position, UErrorCode status);
	88
	89	U_CAPI uint32_t U_EXPORT2
	90	uprv_cnttab_changeContraction(CntTable table, uint32_t element, UChar codePoint, uint32_t newCE, UErrorCode status);
	91
	92	U_CAPI uint32_t U_EXPORT2
	93	uprv_cnttab_findCE(CntTable table, uint32_t element, UChar codePoint, UErrorCode status);
	94
	95	U_CAPI UBool U_EXPORT2
	96	uprv_cnttab_isTailored(CntTable table, uint32_t element, UChar ztString, UErrorCode *status);
	97
	98	U_CDECL_END
	99
	100	#endif /* #if !UCONFIG_NO_COLLATION */
	101
	102	#endif