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_hi.hxx>
28*b1cdbd2cSJim Jagielski
29*b1cdbd2cSJim Jagielski using namespace rtl;
30*b1cdbd2cSJim Jagielski
31*b1cdbd2cSJim Jagielski namespace com {
32*b1cdbd2cSJim Jagielski namespace sun {
33*b1cdbd2cSJim Jagielski namespace star {
34*b1cdbd2cSJim Jagielski namespace i18n {
35*b1cdbd2cSJim Jagielski
InputSequenceChecker_hi()36*b1cdbd2cSJim Jagielski InputSequenceChecker_hi::InputSequenceChecker_hi()
37*b1cdbd2cSJim Jagielski {
38*b1cdbd2cSJim Jagielski serviceName = "com.sun.star.i18n.InputSequenceChecker_hi";
39*b1cdbd2cSJim Jagielski }
40*b1cdbd2cSJim Jagielski
~InputSequenceChecker_hi()41*b1cdbd2cSJim Jagielski InputSequenceChecker_hi::~InputSequenceChecker_hi()
42*b1cdbd2cSJim Jagielski {
43*b1cdbd2cSJim Jagielski }
44*b1cdbd2cSJim Jagielski /* Non-Defined Class type */
45*b1cdbd2cSJim Jagielski #define __ND 0
46*b1cdbd2cSJim Jagielski
47*b1cdbd2cSJim Jagielski /*
48*b1cdbd2cSJim Jagielski * Devanagari character type definitions
49*b1cdbd2cSJim Jagielski */
50*b1cdbd2cSJim Jagielski #define __UP 1 // ChandraBindu & Anuswar
51*b1cdbd2cSJim Jagielski #define __NP 2 // Visarg
52*b1cdbd2cSJim Jagielski #define __IV 3 // Independant Vowels
53*b1cdbd2cSJim Jagielski #define __CN 4 // Consonants except _CK & _RC
54*b1cdbd2cSJim Jagielski #define __CK 5 // Consonants that can be followed by Nukta
55*b1cdbd2cSJim Jagielski #define __RC 6 // Ra
56*b1cdbd2cSJim Jagielski #define __NM 7 // Matra
57*b1cdbd2cSJim Jagielski #define __RM 8 // Ra + HAL
58*b1cdbd2cSJim Jagielski #define __IM 9 // Choti I Matra
59*b1cdbd2cSJim Jagielski #define __HL 10 // HAL
60*b1cdbd2cSJim Jagielski #define __NK 11 // Nukta
61*b1cdbd2cSJim Jagielski #define __VD 12 // Vedic
62*b1cdbd2cSJim Jagielski #define __HD 13 // Hindu Numerals
63*b1cdbd2cSJim Jagielski
64*b1cdbd2cSJim Jagielski /*
65*b1cdbd2cSJim Jagielski * Devanagari character type table
66*b1cdbd2cSJim Jagielski */
67*b1cdbd2cSJim Jagielski static const sal_uInt16 devaCT[128] = {
68*b1cdbd2cSJim Jagielski /* 0, 1, 2, 3, 4, 5, 6, 7,
69*b1cdbd2cSJim Jagielski 8, 9, A, B, C, D, E, F, */
70*b1cdbd2cSJim Jagielski /* 0900 */ __ND, __UP, __UP, __NP, __ND, __IV, __IV, __IV,
71*b1cdbd2cSJim Jagielski __IV, __IV, __IV, __IV, __IV, __IV, __IV, __IV,
72*b1cdbd2cSJim Jagielski /* 0910 */ __IV, __IV, __IV, __IV, __IV, __CK, __CK, __CK,
73*b1cdbd2cSJim Jagielski __CN, __CN, __CN, __CN, __CK, __CN, __CN, __CN,
74*b1cdbd2cSJim Jagielski /* 0920 */ __CN, __CK, __CK, __CN, __CN, __CN, __CN, __CN,
75*b1cdbd2cSJim Jagielski __CN, __CN, __CN, __CK, __CN, __CN, __CN, __CN,
76*b1cdbd2cSJim Jagielski /* 0930 */ __RC, __CN, __CN, __CN, __CN, __CN, __CN, __CN,
77*b1cdbd2cSJim Jagielski __CN, __CN, __ND, __ND, __NK, __VD, __NM, __IM,
78*b1cdbd2cSJim Jagielski /* 0940 */ __RM, __NM, __NM, __NM, __NM, __RM, __RM, __RM,
79*b1cdbd2cSJim Jagielski __RM, __RM, __RM, __RM, __RM, __HL, __ND, __ND,
80*b1cdbd2cSJim Jagielski /* 0950 */ __ND, __VD, __VD, __VD, __VD, __ND, __ND, __ND,
81*b1cdbd2cSJim Jagielski __CN, __CN, __CN, __CN, __CN, __CN, __CN, __CN,
82*b1cdbd2cSJim Jagielski /* 0960 */ __IV, __IV, __NM, __NM, __ND, __ND, __HD, __HD,
83*b1cdbd2cSJim Jagielski __HD, __HD, __HD, __HD, __HD, __HD, __HD, __HD,
84*b1cdbd2cSJim Jagielski /* 0970 */ __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND,
85*b1cdbd2cSJim Jagielski __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND,
86*b1cdbd2cSJim Jagielski };
87*b1cdbd2cSJim Jagielski
88*b1cdbd2cSJim Jagielski /*
89*b1cdbd2cSJim Jagielski * Devanagari character composition table
90*b1cdbd2cSJim Jagielski */
91*b1cdbd2cSJim Jagielski static const sal_uInt16 dev_cell_check[14][14] = {
92*b1cdbd2cSJim Jagielski /* ND, UP, NP, IV, CN, CK, RC, NM, RM, IM, HL, NK, VD, HD, */
93*b1cdbd2cSJim Jagielski /* 0 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* ND */
94*b1cdbd2cSJim Jagielski /* 1 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* UP */
95*b1cdbd2cSJim Jagielski /* 2 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NP */
96*b1cdbd2cSJim Jagielski /* 3 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IV */
97*b1cdbd2cSJim Jagielski /* 4 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* CN */
98*b1cdbd2cSJim Jagielski /* 5 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0 }, /* CK */
99*b1cdbd2cSJim Jagielski /* 6 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* RC */
100*b1cdbd2cSJim Jagielski /* 7 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NM */
101*b1cdbd2cSJim Jagielski /* 8 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* RM */
102*b1cdbd2cSJim Jagielski /* 9 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IM */
103*b1cdbd2cSJim Jagielski /* 10 */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }, /* HL */
104*b1cdbd2cSJim Jagielski /* 11 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* NK */
105*b1cdbd2cSJim Jagielski /* 12 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* VD */
106*b1cdbd2cSJim Jagielski /* 13 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } /* HD */
107*b1cdbd2cSJim Jagielski };
108*b1cdbd2cSJim Jagielski
109*b1cdbd2cSJim Jagielski sal_Bool _DEV_Composible[2][2] = {
110*b1cdbd2cSJim Jagielski /* Mode 0 */ {sal_True, sal_True }, // PASSTHROUGH = 0
111*b1cdbd2cSJim Jagielski /* Mode 1 */ {sal_False, sal_True} // STRICT = 1
112*b1cdbd2cSJim Jagielski };
113*b1cdbd2cSJim Jagielski
114*b1cdbd2cSJim Jagielski #define getCharType(x) \
115*b1cdbd2cSJim Jagielski ((x >= 0x0900 && x < 0x097f) ? devaCT[x - 0x0900] : __ND)
116*b1cdbd2cSJim Jagielski
117*b1cdbd2cSJim Jagielski sal_Bool SAL_CALL
checkInputSequence(const OUString & Text,sal_Int32 nStartPos,sal_Unicode inputChar,sal_Int16 inputCheckMode)118*b1cdbd2cSJim Jagielski InputSequenceChecker_hi::checkInputSequence(const OUString& Text,
119*b1cdbd2cSJim Jagielski sal_Int32 nStartPos,
120*b1cdbd2cSJim Jagielski sal_Unicode inputChar,
121*b1cdbd2cSJim Jagielski sal_Int16 inputCheckMode)
122*b1cdbd2cSJim Jagielski throw(com::sun::star::uno::RuntimeException)
123*b1cdbd2cSJim Jagielski {
124*b1cdbd2cSJim Jagielski sal_Unicode currentChar = Text[nStartPos];
125*b1cdbd2cSJim Jagielski sal_uInt16 ch1 = getCharType(inputChar);
126*b1cdbd2cSJim Jagielski sal_uInt16 ch2 = getCharType(currentChar);
127*b1cdbd2cSJim Jagielski
128*b1cdbd2cSJim Jagielski return (_DEV_Composible[inputCheckMode][dev_cell_check[ch2][ch1]]);
129*b1cdbd2cSJim Jagielski }
130*b1cdbd2cSJim Jagielski
131*b1cdbd2cSJim Jagielski sal_Int32 SAL_CALL
correctInputSequence(OUString & Text,sal_Int32 nStartPos,sal_Unicode inputChar,sal_Int16 inputCheckMode)132*b1cdbd2cSJim Jagielski InputSequenceChecker_hi::correctInputSequence(OUString& Text,
133*b1cdbd2cSJim Jagielski sal_Int32 nStartPos,
134*b1cdbd2cSJim Jagielski sal_Unicode inputChar,
135*b1cdbd2cSJim Jagielski sal_Int16 inputCheckMode)
136*b1cdbd2cSJim Jagielski throw(com::sun::star::uno::RuntimeException)
137*b1cdbd2cSJim Jagielski {
138*b1cdbd2cSJim Jagielski if (checkInputSequence(Text, nStartPos, inputChar, inputCheckMode))
139*b1cdbd2cSJim Jagielski Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar));
140*b1cdbd2cSJim Jagielski else
141*b1cdbd2cSJim Jagielski nStartPos=Text.getLength();
142*b1cdbd2cSJim Jagielski return nStartPos;
143*b1cdbd2cSJim Jagielski }
144*b1cdbd2cSJim Jagielski } } } }
145