151 lines
5.8 KiB
C++
151 lines
5.8 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: inputsequencechecker_hi.cxx,v $
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* $Revision: 1.6 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_i18npool.hxx"
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#include <inputsequencechecker_hi.hxx>
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using namespace rtl;
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namespace com {
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namespace sun {
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namespace star {
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namespace i18n {
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InputSequenceChecker_hi::InputSequenceChecker_hi()
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{
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serviceName = "com.sun.star.i18n.InputSequenceChecker_hi";
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}
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InputSequenceChecker_hi::~InputSequenceChecker_hi()
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{
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}
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/* Non-Defined Class type */
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#define __ND 0
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/*
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* Devanagari character type definitions
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*/
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#define __UP 1 // ChandraBindu & Anuswar
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#define __NP 2 // Visarg
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#define __IV 3 // Independant Vowels
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#define __CN 4 // Consonants except _CK & _RC
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#define __CK 5 // Consonants that can be followed by Nukta
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#define __RC 6 // Ra
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#define __NM 7 // Matra
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#define __RM 8 // Ra + HAL
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#define __IM 9 // Choti I Matra
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#define __HL 10 // HAL
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#define __NK 11 // Nukta
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#define __VD 12 // Vedic
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#define __HD 13 // Hindu Numerals
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/*
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* Devanagari character type table
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*/
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static const sal_uInt16 devaCT[128] = {
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/* 0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, A, B, C, D, E, F, */
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/* 0900 */ __ND, __UP, __UP, __NP, __ND, __IV, __IV, __IV,
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__IV, __IV, __IV, __IV, __IV, __IV, __IV, __IV,
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/* 0910 */ __IV, __IV, __IV, __IV, __IV, __CK, __CK, __CK,
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__CN, __CN, __CN, __CN, __CK, __CN, __CN, __CN,
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/* 0920 */ __CN, __CK, __CK, __CN, __CN, __CN, __CN, __CN,
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__CN, __CN, __CN, __CK, __CN, __CN, __CN, __CN,
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/* 0930 */ __RC, __CN, __CN, __CN, __CN, __CN, __CN, __CN,
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__CN, __CN, __ND, __ND, __NK, __VD, __NM, __IM,
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/* 0940 */ __RM, __NM, __NM, __NM, __NM, __RM, __RM, __RM,
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__RM, __RM, __RM, __RM, __RM, __HL, __ND, __ND,
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/* 0950 */ __ND, __VD, __VD, __VD, __VD, __ND, __ND, __ND,
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__CN, __CN, __CN, __CN, __CN, __CN, __CN, __CN,
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/* 0960 */ __IV, __IV, __NM, __NM, __ND, __ND, __HD, __HD,
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__HD, __HD, __HD, __HD, __HD, __HD, __HD, __HD,
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/* 0970 */ __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND,
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__ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND,
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};
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/*
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* Devanagari character composition table
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*/
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static const sal_uInt16 dev_cell_check[14][14] = {
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/* ND, UP, NP, IV, CN, CK, RC, NM, RM, IM, HL, NK, VD, HD, */
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/* 0 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* ND */
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/* 1 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* UP */
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/* 2 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NP */
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/* 3 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IV */
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/* 4 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* CN */
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/* 5 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0 }, /* CK */
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/* 6 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* RC */
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/* 7 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NM */
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/* 8 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* RM */
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/* 9 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IM */
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/* 10 */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }, /* HL */
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/* 11 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* NK */
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/* 12 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* VD */
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/* 13 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } /* HD */
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};
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sal_Bool _DEV_Composible[2][2] = {
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/* Mode 0 */ {sal_True, sal_True }, // PASSTHROUGH = 0
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/* Mode 1 */ {sal_False, sal_True} // STRICT = 1
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};
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#define getCharType(x) \
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((x >= 0x0900 && x < 0x097f) ? devaCT[x - 0x0900] : __ND)
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sal_Bool SAL_CALL
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InputSequenceChecker_hi::checkInputSequence(const OUString& Text,
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sal_Int32 nStartPos,
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sal_Unicode inputChar,
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sal_Int16 inputCheckMode)
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throw(com::sun::star::uno::RuntimeException)
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{
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sal_Unicode currentChar = Text[nStartPos];
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sal_uInt16 ch1 = getCharType(inputChar);
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sal_uInt16 ch2 = getCharType(currentChar);
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return (_DEV_Composible[inputCheckMode][dev_cell_check[ch2][ch1]]);
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}
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sal_Int32 SAL_CALL
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InputSequenceChecker_hi::correctInputSequence(OUString& Text,
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sal_Int32 nStartPos,
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sal_Unicode inputChar,
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sal_Int16 inputCheckMode)
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throw(com::sun::star::uno::RuntimeException)
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{
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if (checkInputSequence(Text, nStartPos, inputChar, inputCheckMode))
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Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar));
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else
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nStartPos=Text.getLength();
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return nStartPos;
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}
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} } } }
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