| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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; |
| } |
| } } } } |