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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_i18npool.hxx"
#include <inputsequencechecker_hi.hxx>
using namespace rtl;
namespace com {
namespace sun {
namespace star {
namespace i18n {
InputSequenceChecker_hi::InputSequenceChecker_hi()
{
serviceName = "com.sun.star.i18n.InputSequenceChecker_hi";
}
InputSequenceChecker_hi::~InputSequenceChecker_hi()
{
}
/* Non-Defined Class type */
#define __ND 0
/*
* Devanagari character type definitions
*/
#define __UP 1 // ChandraBindu & Anuswar
#define __NP 2 // Visarg
#define __IV 3 // Independant Vowels
#define __CN 4 // Consonants except _CK & _RC
#define __CK 5 // Consonants that can be followed by Nukta
#define __RC 6 // Ra
#define __NM 7 // Matra
#define __RM 8 // Ra + HAL
#define __IM 9 // Choti I Matra
#define __HL 10 // HAL
#define __NK 11 // Nukta
#define __VD 12 // Vedic
#define __HD 13 // Hindu Numerals
/*
* Devanagari character type table
*/
static const sal_uInt16 devaCT[128] = {
/* 0, 1, 2, 3, 4, 5, 6, 7,
8, 9, A, B, C, D, E, F, */
/* 0900 */ __ND, __UP, __UP, __NP, __ND, __IV, __IV, __IV,
__IV, __IV, __IV, __IV, __IV, __IV, __IV, __IV,
/* 0910 */ __IV, __IV, __IV, __IV, __IV, __CK, __CK, __CK,
__CN, __CN, __CN, __CN, __CK, __CN, __CN, __CN,
/* 0920 */ __CN, __CK, __CK, __CN, __CN, __CN, __CN, __CN,
__CN, __CN, __CN, __CK, __CN, __CN, __CN, __CN,
/* 0930 */ __RC, __CN, __CN, __CN, __CN, __CN, __CN, __CN,
__CN, __CN, __ND, __ND, __NK, __VD, __NM, __IM,
/* 0940 */ __RM, __NM, __NM, __NM, __NM, __RM, __RM, __RM,
__RM, __RM, __RM, __RM, __RM, __HL, __ND, __ND,
/* 0950 */ __ND, __VD, __VD, __VD, __VD, __ND, __ND, __ND,
__CN, __CN, __CN, __CN, __CN, __CN, __CN, __CN,
/* 0960 */ __IV, __IV, __NM, __NM, __ND, __ND, __HD, __HD,
__HD, __HD, __HD, __HD, __HD, __HD, __HD, __HD,
/* 0970 */ __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND,
__ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND,
};
/*
* Devanagari character composition table
*/
static const sal_uInt16 dev_cell_check[14][14] = {
/* ND, UP, NP, IV, CN, CK, RC, NM, RM, IM, HL, NK, VD, HD, */
/* 0 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* ND */
/* 1 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* UP */
/* 2 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NP */
/* 3 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IV */
/* 4 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* CN */
/* 5 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0 }, /* CK */
/* 6 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* RC */
/* 7 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NM */
/* 8 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* RM */
/* 9 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IM */
/* 10 */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }, /* HL */
/* 11 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* NK */
/* 12 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* VD */
/* 13 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } /* HD */
};
sal_Bool _DEV_Composible[2][2] = {
/* Mode 0 */ {sal_True, sal_True }, // PASSTHROUGH = 0
/* Mode 1 */ {sal_False, sal_True} // STRICT = 1
};
#define getCharType(x) \
((x >= 0x0900 && x < 0x097f) ? devaCT[x - 0x0900] : __ND)
sal_Bool SAL_CALL
InputSequenceChecker_hi::checkInputSequence(const OUString& Text,
sal_Int32 nStartPos,
sal_Unicode inputChar,
sal_Int16 inputCheckMode)
throw(com::sun::star::uno::RuntimeException)
{
sal_Unicode currentChar = Text[nStartPos];
sal_uInt16 ch1 = getCharType(inputChar);
sal_uInt16 ch2 = getCharType(currentChar);
return (_DEV_Composible[inputCheckMode][dev_cell_check[ch2][ch1]]);
}
sal_Int32 SAL_CALL
InputSequenceChecker_hi::correctInputSequence(OUString& Text,
sal_Int32 nStartPos,
sal_Unicode inputChar,
sal_Int16 inputCheckMode)
throw(com::sun::star::uno::RuntimeException)
{
if (checkInputSequence(Text, nStartPos, inputChar, inputCheckMode))
Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar));
else
nStartPos=Text.getLength();
return nStartPos;
}
} } } }
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