1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_i18npool.hxx"
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski #include <inputsequencechecker.hxx>
28*b1cdbd2cSJim Jagielski #include <com/sun/star/i18n/InputSequenceCheckMode.hpp>
29*b1cdbd2cSJim Jagielski #include <com/sun/star/i18n/UnicodeType.hpp>
30*b1cdbd2cSJim Jagielski #include <i18nutil/unicode.hxx>
31*b1cdbd2cSJim Jagielski #include <rtl/ustrbuf.hxx>
32*b1cdbd2cSJim Jagielski
33*b1cdbd2cSJim Jagielski using namespace ::com::sun::star::uno;
34*b1cdbd2cSJim Jagielski using namespace ::com::sun::star::lang;
35*b1cdbd2cSJim Jagielski using namespace ::rtl;
36*b1cdbd2cSJim Jagielski
37*b1cdbd2cSJim Jagielski namespace com { namespace sun { namespace star { namespace i18n {
38*b1cdbd2cSJim Jagielski
InputSequenceCheckerImpl(const Reference<XMultiServiceFactory> & rxMSF)39*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::InputSequenceCheckerImpl( const Reference < XMultiServiceFactory >& rxMSF ) : xMSF( rxMSF )
40*b1cdbd2cSJim Jagielski {
41*b1cdbd2cSJim Jagielski serviceName = "com.sun.star.i18n.InputSequenceCheckerImpl";
42*b1cdbd2cSJim Jagielski cachedItem = NULL;
43*b1cdbd2cSJim Jagielski }
44*b1cdbd2cSJim Jagielski
InputSequenceCheckerImpl()45*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::InputSequenceCheckerImpl()
46*b1cdbd2cSJim Jagielski {
47*b1cdbd2cSJim Jagielski }
48*b1cdbd2cSJim Jagielski
~InputSequenceCheckerImpl()49*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::~InputSequenceCheckerImpl()
50*b1cdbd2cSJim Jagielski {
51*b1cdbd2cSJim Jagielski // Clear lookuptable
52*b1cdbd2cSJim Jagielski for (size_t l = 0; l < lookupTable.size(); l++)
53*b1cdbd2cSJim Jagielski delete lookupTable[l];
54*b1cdbd2cSJim Jagielski
55*b1cdbd2cSJim Jagielski lookupTable.clear();
56*b1cdbd2cSJim Jagielski }
57*b1cdbd2cSJim Jagielski
58*b1cdbd2cSJim Jagielski sal_Bool SAL_CALL
checkInputSequence(const OUString & Text,sal_Int32 nStartPos,sal_Unicode inputChar,sal_Int16 inputCheckMode)59*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::checkInputSequence(const OUString& Text, sal_Int32 nStartPos,
60*b1cdbd2cSJim Jagielski sal_Unicode inputChar, sal_Int16 inputCheckMode) throw(RuntimeException)
61*b1cdbd2cSJim Jagielski {
62*b1cdbd2cSJim Jagielski if (inputCheckMode == InputSequenceCheckMode::PASSTHROUGH)
63*b1cdbd2cSJim Jagielski return sal_True;
64*b1cdbd2cSJim Jagielski
65*b1cdbd2cSJim Jagielski sal_Char* language = getLanguageByScripType(Text[nStartPos], inputChar);
66*b1cdbd2cSJim Jagielski
67*b1cdbd2cSJim Jagielski if (language)
68*b1cdbd2cSJim Jagielski return getInputSequenceChecker(language)->checkInputSequence(Text, nStartPos, inputChar, inputCheckMode);
69*b1cdbd2cSJim Jagielski else
70*b1cdbd2cSJim Jagielski return sal_True; // not a checkable languages.
71*b1cdbd2cSJim Jagielski }
72*b1cdbd2cSJim Jagielski
73*b1cdbd2cSJim Jagielski sal_Int32 SAL_CALL
correctInputSequence(OUString & Text,sal_Int32 nStartPos,sal_Unicode inputChar,sal_Int16 inputCheckMode)74*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::correctInputSequence(OUString& Text, sal_Int32 nStartPos,
75*b1cdbd2cSJim Jagielski sal_Unicode inputChar, sal_Int16 inputCheckMode) throw(RuntimeException)
76*b1cdbd2cSJim Jagielski {
77*b1cdbd2cSJim Jagielski if (inputCheckMode != InputSequenceCheckMode::PASSTHROUGH) {
78*b1cdbd2cSJim Jagielski sal_Char* language = getLanguageByScripType(Text[nStartPos], inputChar);
79*b1cdbd2cSJim Jagielski
80*b1cdbd2cSJim Jagielski if (language)
81*b1cdbd2cSJim Jagielski return getInputSequenceChecker(language)->correctInputSequence(Text, nStartPos, inputChar, inputCheckMode);
82*b1cdbd2cSJim Jagielski }
83*b1cdbd2cSJim Jagielski Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar));
84*b1cdbd2cSJim Jagielski return nStartPos;
85*b1cdbd2cSJim Jagielski }
86*b1cdbd2cSJim Jagielski
87*b1cdbd2cSJim Jagielski static ScriptTypeList typeList[] = {
88*b1cdbd2cSJim Jagielski //{ UnicodeScript_kHebrew, UnicodeScript_kHebrew }, // 10,
89*b1cdbd2cSJim Jagielski //{ UnicodeScript_kArabic, UnicodeScript_kArabic }, // 11,
90*b1cdbd2cSJim Jagielski { UnicodeScript_kDevanagari,UnicodeScript_kDevanagari, UnicodeScript_kDevanagari }, // 14,
91*b1cdbd2cSJim Jagielski { UnicodeScript_kThai, UnicodeScript_kThai, UnicodeScript_kThai }, // 24,
92*b1cdbd2cSJim Jagielski
93*b1cdbd2cSJim Jagielski { UnicodeScript_kScriptCount, UnicodeScript_kScriptCount, UnicodeScript_kScriptCount } // 88
94*b1cdbd2cSJim Jagielski };
95*b1cdbd2cSJim Jagielski
96*b1cdbd2cSJim Jagielski sal_Char* SAL_CALL
getLanguageByScripType(sal_Unicode cChar,sal_Unicode nChar)97*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::getLanguageByScripType(sal_Unicode cChar, sal_Unicode nChar)
98*b1cdbd2cSJim Jagielski {
99*b1cdbd2cSJim Jagielski sal_Int16 type = unicode::getUnicodeScriptType( cChar, typeList, UnicodeScript_kScriptCount );
100*b1cdbd2cSJim Jagielski
101*b1cdbd2cSJim Jagielski if (type != UnicodeScript_kScriptCount &&
102*b1cdbd2cSJim Jagielski type == unicode::getUnicodeScriptType( nChar, typeList, UnicodeScript_kScriptCount )) {
103*b1cdbd2cSJim Jagielski switch(type) {
104*b1cdbd2cSJim Jagielski case UnicodeScript_kThai: return (sal_Char*)"th";
105*b1cdbd2cSJim Jagielski //case UnicodeScript_kArabic: return (sal_Char*)"ar";
106*b1cdbd2cSJim Jagielski //case UnicodeScript_kHebrew: return (sal_Char*)"he";
107*b1cdbd2cSJim Jagielski case UnicodeScript_kDevanagari: return (sal_Char*)"hi";
108*b1cdbd2cSJim Jagielski }
109*b1cdbd2cSJim Jagielski }
110*b1cdbd2cSJim Jagielski return NULL;
111*b1cdbd2cSJim Jagielski }
112*b1cdbd2cSJim Jagielski
113*b1cdbd2cSJim Jagielski Reference< XExtendedInputSequenceChecker >& SAL_CALL
getInputSequenceChecker(sal_Char * rLanguage)114*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::getInputSequenceChecker(sal_Char* rLanguage) throw (RuntimeException)
115*b1cdbd2cSJim Jagielski {
116*b1cdbd2cSJim Jagielski if (cachedItem && cachedItem->aLanguage == rLanguage) {
117*b1cdbd2cSJim Jagielski return cachedItem->xISC;
118*b1cdbd2cSJim Jagielski }
119*b1cdbd2cSJim Jagielski else if (xMSF.is()) {
120*b1cdbd2cSJim Jagielski for (size_t l = 0; l < lookupTable.size(); l++) {
121*b1cdbd2cSJim Jagielski cachedItem = lookupTable[l];
122*b1cdbd2cSJim Jagielski if (cachedItem->aLanguage == rLanguage)
123*b1cdbd2cSJim Jagielski return cachedItem->xISC;
124*b1cdbd2cSJim Jagielski }
125*b1cdbd2cSJim Jagielski
126*b1cdbd2cSJim Jagielski Reference < uno::XInterface > xI = xMSF->createInstance(
127*b1cdbd2cSJim Jagielski OUString::createFromAscii("com.sun.star.i18n.InputSequenceChecker_") +
128*b1cdbd2cSJim Jagielski OUString::createFromAscii(rLanguage));
129*b1cdbd2cSJim Jagielski
130*b1cdbd2cSJim Jagielski if ( xI.is() ) {
131*b1cdbd2cSJim Jagielski Reference< XExtendedInputSequenceChecker > xISC;
132*b1cdbd2cSJim Jagielski xI->queryInterface( getCppuType((const Reference< XExtendedInputSequenceChecker>*)0) ) >>= xISC;
133*b1cdbd2cSJim Jagielski if (xISC.is()) {
134*b1cdbd2cSJim Jagielski lookupTable.push_back(cachedItem = new lookupTableItem(rLanguage, xISC));
135*b1cdbd2cSJim Jagielski return cachedItem->xISC;
136*b1cdbd2cSJim Jagielski }
137*b1cdbd2cSJim Jagielski }
138*b1cdbd2cSJim Jagielski }
139*b1cdbd2cSJim Jagielski throw RuntimeException();
140*b1cdbd2cSJim Jagielski }
141*b1cdbd2cSJim Jagielski
142*b1cdbd2cSJim Jagielski OUString SAL_CALL
getImplementationName(void)143*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::getImplementationName(void) throw( RuntimeException )
144*b1cdbd2cSJim Jagielski {
145*b1cdbd2cSJim Jagielski return OUString::createFromAscii(serviceName);
146*b1cdbd2cSJim Jagielski }
147*b1cdbd2cSJim Jagielski
148*b1cdbd2cSJim Jagielski sal_Bool SAL_CALL
supportsService(const OUString & rServiceName)149*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::supportsService(const OUString& rServiceName) throw( RuntimeException )
150*b1cdbd2cSJim Jagielski {
151*b1cdbd2cSJim Jagielski return !rServiceName.compareToAscii(serviceName);
152*b1cdbd2cSJim Jagielski }
153*b1cdbd2cSJim Jagielski
154*b1cdbd2cSJim Jagielski Sequence< OUString > SAL_CALL
getSupportedServiceNames(void)155*b1cdbd2cSJim Jagielski InputSequenceCheckerImpl::getSupportedServiceNames(void) throw( RuntimeException )
156*b1cdbd2cSJim Jagielski {
157*b1cdbd2cSJim Jagielski Sequence< OUString > aRet(1);
158*b1cdbd2cSJim Jagielski aRet[0] = OUString::createFromAscii(serviceName);
159*b1cdbd2cSJim Jagielski return aRet;
160*b1cdbd2cSJim Jagielski }
161*b1cdbd2cSJim Jagielski
162*b1cdbd2cSJim Jagielski } } } }
163