/*
*******************************************************************************
*
*   Copyright (C) 2000-2001, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*   file name:  ucaelems.h
*   encoding:   US-ASCII
*   tab size:   8 (not used)
*   indentation:4
*
*   created 02/22/2001
*   created by: Vladimir Weinstein
*
*   This program reads the Franctional UCA table and generates
*   internal format for UCA table as well as inverse UCA table.
*   It then writes binary files containing the data: ucadata.dat 
*   & invuca.dat
*/
#ifndef UCOL_UCAELEMS_H
#define UCOL_UCAELEMS_H

#include "cnttable.h"

#include <stdio.h>
#include "unicode/utypes.h"
#include "ucolimp.h"
#include "cmemory.h"

typedef struct {
    uint32_t *CEs;
    int32_t position;
    int32_t size;
} ExpansionTable;

typedef struct {
    UChar uchars[128];
    UChar *cPoints;
    int32_t cSize;          /* Number of characters in sequence - for contraction */
    int32_t noOfCEs;        /* Number of collation elements                       */
    uint32_t CEs[128];      /* These are collation elements - there could be more than one - in case of expansion */
    uint32_t mapCE;         /* This is the value element maps in original table   */
    int32_t sizePrim[128];
    int32_t sizeSec[128];
    int32_t sizeTer[128];
    UBool variableTop;
    UBool caseBit;
    UBool isThai;
} UCAElements;

typedef struct {
  uint32_t *endExpansionCE;
  uint8_t  *expansionCESize;
  int      position;
  int      size;
} MaxExpansionTable;

typedef struct {
  CompactIntArray   *mapping; 
  ExpansionTable    *expansions; 
  struct CntTable   *contractions;
  UCATableHeader    *image;
  MaxExpansionTable *maxExpansions;
  uint8_t           *unsafeCP;
} tempUCATable; 

U_CAPI tempUCATable * U_EXPORT2 uprv_uca_initTempTable(UCATableHeader *image, UErrorCode *status);
U_CAPI void U_EXPORT2 uprv_uca_closeTempTable(tempUCATable *t);
U_CAPI uint32_t U_EXPORT2 uprv_uca_addAnElement(tempUCATable *t, UCAElements *element, UErrorCode *status);
U_CAPI UCATableHeader U_EXPORT2 *uprv_uca_assembleTable(tempUCATable *t, UErrorCode *status);
U_CAPI UCATableHeader U_EXPORT2 *uprv_uca_reassembleTable(tempUCATable *t, UCATableHeader *mD, UErrorCode *status);

uint32_t uprv_uca_processContraction(CntTable *contractions, UCAElements *element, uint32_t existingCE, UBool forward, UErrorCode *status);
int32_t uprv_uca_addExpansion(ExpansionTable *expansions, uint32_t value, UErrorCode *status);
void uprv_uca_reverseElement(ExpansionTable *expansions, UCAElements *el);

#define paddedsize(something) ((something)+((((something)%4)!=0)?(4-(something)%4):0))

#endif