73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
|
|
*****************************************************************************************
|
|
* Copyright © {1997-1999}, International Business Machines Corporation and others. All Rights Reserved.
|
|
* *
|
|
*****************************************************************************************
|
|
*
|
|
* File UNICDCM.H
|
|
*
|
|
* UnicodeClassMapping maps characters to state change inputs for WordBreakTable.
|
|
*
|
|
* @package Text and International
|
|
* @category Text Scanning
|
|
*
|
|
* Modification History:
|
|
*
|
|
* Date Name Description
|
|
* 02/18/97 aliu Converted from OpenClass.
|
|
* 05/06/97 aliu Made SpecialMapping an array of objects instead of pointers,
|
|
* to help out non-compliant compilers.
|
|
*****************************************************************************************
|
|
*/
|
|
|
|
#ifndef UNICDCM_H
|
|
#define UNICDCM_H
|
|
|
|
#include "spclmap.h"
|
|
#include "unicode/unicode.h"
|
|
|
|
/**
|
|
* This class maps characters to state change inputs for
|
|
* WordBreakTable. If the character appears in the exception list,
|
|
* the mapping there is retuned, otherwise the mapping returned by
|
|
* IUnicode::type is returned.
|
|
*
|
|
* Note in this implementation characters from 0x0040 to 0x009f always use the
|
|
* mapping returned by IUnicode::type and never the exception list.
|
|
*/
|
|
class UnicodeClassMapping {
|
|
public:
|
|
// For convenience
|
|
typedef TextBoundaryData::Type Type;
|
|
|
|
/**
|
|
* Create a mapping given a mapping from categories and a list
|
|
* of exceptions. Both the mapping list and exceptionChars list must
|
|
* be sorted in ascending order.
|
|
*/
|
|
UnicodeClassMapping(Type* mappedValue,
|
|
int32_t mappedValue_length,
|
|
const SpecialMapping* exceptionChars,
|
|
int32_t exceptionChars_length,
|
|
const UBool* hasException,
|
|
Type* asiiValues );
|
|
|
|
/**
|
|
* Map a character to a state change input for WordBreakTable.
|
|
* @param ch the character to map.
|
|
* @return the mapped value.
|
|
*/
|
|
Type mappedChar(UChar ch) const;
|
|
|
|
private:
|
|
const UBool *fHasException;
|
|
const Type* fMappedValue;
|
|
const int32_t fMappedValue_length;
|
|
const SpecialMapping* fExceptionChars;
|
|
const int32_t fExceptionChars_length;
|
|
const Type* fAsciiValues;
|
|
};
|
|
|
|
#endif // _UNICDCM
|
|
//eof
|