LigatureSubstProc.h revision 15849:b27017e4b000
1/* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Oracle designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Oracle in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 * 24 */ 25 26/* 27 * 28 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved 29 * 30 */ 31 32#ifndef __LIGATURESUBSTITUTIONPROCESSOR_H 33#define __LIGATURESUBSTITUTIONPROCESSOR_H 34 35/** 36 * \file 37 * \internal 38 */ 39 40#include "LETypes.h" 41#include "MorphTables.h" 42#include "SubtableProcessor.h" 43#include "StateTableProcessor.h" 44#include "LigatureSubstitution.h" 45 46U_NAMESPACE_BEGIN 47 48class LEGlyphStorage; 49 50#define nComponents 16 51 52class LigatureSubstitutionProcessor : public StateTableProcessor 53{ 54public: 55 virtual void beginStateTable(); 56 57 virtual ByteOffset processStateEntry(LEGlyphStorage &glyphStorage, le_int32 &currGlyph, EntryTableIndex index, LEErrorCode &success); 58 59 virtual void endStateTable(); 60 61 LigatureSubstitutionProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success); 62 virtual ~LigatureSubstitutionProcessor(); 63 64 /** 65 * ICU "poor man's RTTI", returns a UClassID for the actual class. 66 * 67 * @stable ICU 2.8 68 */ 69 virtual UClassID getDynamicClassID() const; 70 71 /** 72 * ICU "poor man's RTTI", returns a UClassID for this class. 73 * 74 * @stable ICU 2.8 75 */ 76 static UClassID getStaticClassID(); 77 78private: 79 LigatureSubstitutionProcessor(); 80 81protected: 82 ByteOffset ligatureActionTableOffset; 83 ByteOffset componentTableOffset; 84 ByteOffset ligatureTableOffset; 85 86 LEReferenceToArrayOf<LigatureSubstitutionStateEntry> entryTable; 87 88 le_int32 componentStack[nComponents]; 89 le_int16 m; 90 91 LEReferenceTo<LigatureSubstitutionHeader> ligatureSubstitutionHeader; 92 93}; 94 95U_NAMESPACE_END 96#endif 97