1*449ab281SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*449ab281SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*449ab281SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*449ab281SAndrew Rist * distributed with this work for additional information 6*449ab281SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*449ab281SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*449ab281SAndrew Rist * "License"); you may not use this file except in compliance 9*449ab281SAndrew Rist * with the License. You may obtain a copy of the License at 10*449ab281SAndrew Rist * 11*449ab281SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*449ab281SAndrew Rist * 13*449ab281SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*449ab281SAndrew Rist * software distributed under the License is distributed on an 15*449ab281SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*449ab281SAndrew Rist * KIND, either express or implied. See the License for the 17*449ab281SAndrew Rist * specific language governing permissions and limitations 18*449ab281SAndrew Rist * under the License. 19*449ab281SAndrew Rist * 20*449ab281SAndrew Rist *************************************************************/ 21*449ab281SAndrew Rist 22*449ab281SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_i18npool.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <inputsequencechecker_hi.hxx> 28cdf0e10cSrcweir 29cdf0e10cSrcweir using namespace rtl; 30cdf0e10cSrcweir 31cdf0e10cSrcweir namespace com { 32cdf0e10cSrcweir namespace sun { 33cdf0e10cSrcweir namespace star { 34cdf0e10cSrcweir namespace i18n { 35cdf0e10cSrcweir 36cdf0e10cSrcweir InputSequenceChecker_hi::InputSequenceChecker_hi() 37cdf0e10cSrcweir { 38cdf0e10cSrcweir serviceName = "com.sun.star.i18n.InputSequenceChecker_hi"; 39cdf0e10cSrcweir } 40cdf0e10cSrcweir 41cdf0e10cSrcweir InputSequenceChecker_hi::~InputSequenceChecker_hi() 42cdf0e10cSrcweir { 43cdf0e10cSrcweir } 44cdf0e10cSrcweir /* Non-Defined Class type */ 45cdf0e10cSrcweir #define __ND 0 46cdf0e10cSrcweir 47cdf0e10cSrcweir /* 48cdf0e10cSrcweir * Devanagari character type definitions 49cdf0e10cSrcweir */ 50cdf0e10cSrcweir #define __UP 1 // ChandraBindu & Anuswar 51cdf0e10cSrcweir #define __NP 2 // Visarg 52cdf0e10cSrcweir #define __IV 3 // Independant Vowels 53cdf0e10cSrcweir #define __CN 4 // Consonants except _CK & _RC 54cdf0e10cSrcweir #define __CK 5 // Consonants that can be followed by Nukta 55cdf0e10cSrcweir #define __RC 6 // Ra 56cdf0e10cSrcweir #define __NM 7 // Matra 57cdf0e10cSrcweir #define __RM 8 // Ra + HAL 58cdf0e10cSrcweir #define __IM 9 // Choti I Matra 59cdf0e10cSrcweir #define __HL 10 // HAL 60cdf0e10cSrcweir #define __NK 11 // Nukta 61cdf0e10cSrcweir #define __VD 12 // Vedic 62cdf0e10cSrcweir #define __HD 13 // Hindu Numerals 63cdf0e10cSrcweir 64cdf0e10cSrcweir /* 65cdf0e10cSrcweir * Devanagari character type table 66cdf0e10cSrcweir */ 67cdf0e10cSrcweir static const sal_uInt16 devaCT[128] = { 68cdf0e10cSrcweir /* 0, 1, 2, 3, 4, 5, 6, 7, 69cdf0e10cSrcweir 8, 9, A, B, C, D, E, F, */ 70cdf0e10cSrcweir /* 0900 */ __ND, __UP, __UP, __NP, __ND, __IV, __IV, __IV, 71cdf0e10cSrcweir __IV, __IV, __IV, __IV, __IV, __IV, __IV, __IV, 72cdf0e10cSrcweir /* 0910 */ __IV, __IV, __IV, __IV, __IV, __CK, __CK, __CK, 73cdf0e10cSrcweir __CN, __CN, __CN, __CN, __CK, __CN, __CN, __CN, 74cdf0e10cSrcweir /* 0920 */ __CN, __CK, __CK, __CN, __CN, __CN, __CN, __CN, 75cdf0e10cSrcweir __CN, __CN, __CN, __CK, __CN, __CN, __CN, __CN, 76cdf0e10cSrcweir /* 0930 */ __RC, __CN, __CN, __CN, __CN, __CN, __CN, __CN, 77cdf0e10cSrcweir __CN, __CN, __ND, __ND, __NK, __VD, __NM, __IM, 78cdf0e10cSrcweir /* 0940 */ __RM, __NM, __NM, __NM, __NM, __RM, __RM, __RM, 79cdf0e10cSrcweir __RM, __RM, __RM, __RM, __RM, __HL, __ND, __ND, 80cdf0e10cSrcweir /* 0950 */ __ND, __VD, __VD, __VD, __VD, __ND, __ND, __ND, 81cdf0e10cSrcweir __CN, __CN, __CN, __CN, __CN, __CN, __CN, __CN, 82cdf0e10cSrcweir /* 0960 */ __IV, __IV, __NM, __NM, __ND, __ND, __HD, __HD, 83cdf0e10cSrcweir __HD, __HD, __HD, __HD, __HD, __HD, __HD, __HD, 84cdf0e10cSrcweir /* 0970 */ __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, 85cdf0e10cSrcweir __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, 86cdf0e10cSrcweir }; 87cdf0e10cSrcweir 88cdf0e10cSrcweir /* 89cdf0e10cSrcweir * Devanagari character composition table 90cdf0e10cSrcweir */ 91cdf0e10cSrcweir static const sal_uInt16 dev_cell_check[14][14] = { 92cdf0e10cSrcweir /* ND, UP, NP, IV, CN, CK, RC, NM, RM, IM, HL, NK, VD, HD, */ 93cdf0e10cSrcweir /* 0 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* ND */ 94cdf0e10cSrcweir /* 1 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* UP */ 95cdf0e10cSrcweir /* 2 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NP */ 96cdf0e10cSrcweir /* 3 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IV */ 97cdf0e10cSrcweir /* 4 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* CN */ 98cdf0e10cSrcweir /* 5 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0 }, /* CK */ 99cdf0e10cSrcweir /* 6 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* RC */ 100cdf0e10cSrcweir /* 7 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NM */ 101cdf0e10cSrcweir /* 8 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* RM */ 102cdf0e10cSrcweir /* 9 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IM */ 103cdf0e10cSrcweir /* 10 */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }, /* HL */ 104cdf0e10cSrcweir /* 11 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* NK */ 105cdf0e10cSrcweir /* 12 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* VD */ 106cdf0e10cSrcweir /* 13 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } /* HD */ 107cdf0e10cSrcweir }; 108cdf0e10cSrcweir 109cdf0e10cSrcweir sal_Bool _DEV_Composible[2][2] = { 110cdf0e10cSrcweir /* Mode 0 */ {sal_True, sal_True }, // PASSTHROUGH = 0 111cdf0e10cSrcweir /* Mode 1 */ {sal_False, sal_True} // STRICT = 1 112cdf0e10cSrcweir }; 113cdf0e10cSrcweir 114cdf0e10cSrcweir #define getCharType(x) \ 115cdf0e10cSrcweir ((x >= 0x0900 && x < 0x097f) ? devaCT[x - 0x0900] : __ND) 116cdf0e10cSrcweir 117cdf0e10cSrcweir sal_Bool SAL_CALL 118cdf0e10cSrcweir InputSequenceChecker_hi::checkInputSequence(const OUString& Text, 119cdf0e10cSrcweir sal_Int32 nStartPos, 120cdf0e10cSrcweir sal_Unicode inputChar, 121cdf0e10cSrcweir sal_Int16 inputCheckMode) 122cdf0e10cSrcweir throw(com::sun::star::uno::RuntimeException) 123cdf0e10cSrcweir { 124cdf0e10cSrcweir sal_Unicode currentChar = Text[nStartPos]; 125cdf0e10cSrcweir sal_uInt16 ch1 = getCharType(inputChar); 126cdf0e10cSrcweir sal_uInt16 ch2 = getCharType(currentChar); 127cdf0e10cSrcweir 128cdf0e10cSrcweir return (_DEV_Composible[inputCheckMode][dev_cell_check[ch2][ch1]]); 129cdf0e10cSrcweir } 130cdf0e10cSrcweir 131cdf0e10cSrcweir sal_Int32 SAL_CALL 132cdf0e10cSrcweir InputSequenceChecker_hi::correctInputSequence(OUString& Text, 133cdf0e10cSrcweir sal_Int32 nStartPos, 134cdf0e10cSrcweir sal_Unicode inputChar, 135cdf0e10cSrcweir sal_Int16 inputCheckMode) 136cdf0e10cSrcweir throw(com::sun::star::uno::RuntimeException) 137cdf0e10cSrcweir { 138cdf0e10cSrcweir if (checkInputSequence(Text, nStartPos, inputChar, inputCheckMode)) 139cdf0e10cSrcweir Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar)); 140cdf0e10cSrcweir else 141cdf0e10cSrcweir nStartPos=Text.getLength(); 142cdf0e10cSrcweir return nStartPos; 143cdf0e10cSrcweir } 144cdf0e10cSrcweir } } } } 145