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21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_i18npool.hxx"
26
27 #include <inputsequencechecker_hi.hxx>
28
29 using namespace rtl;
30
31 namespace com {
32 namespace sun {
33 namespace star {
34 namespace i18n {
35
InputSequenceChecker_hi()36 InputSequenceChecker_hi::InputSequenceChecker_hi()
37 {
38 serviceName = "com.sun.star.i18n.InputSequenceChecker_hi";
39 }
40
~InputSequenceChecker_hi()41 InputSequenceChecker_hi::~InputSequenceChecker_hi()
42 {
43 }
44 /* Non-Defined Class type */
45 #define __ND 0
46
47 /*
48 * Devanagari character type definitions
49 */
50 #define __UP 1 // ChandraBindu & Anuswar
51 #define __NP 2 // Visarg
52 #define __IV 3 // Independent Vowels
53 #define __CN 4 // Consonants except _CK & _RC
54 #define __CK 5 // Consonants that can be followed by Nukta
55 #define __RC 6 // Ra
56 #define __NM 7 // Matra
57 #define __RM 8 // Ra + HAL
58 #define __IM 9 // Choti I Matra
59 #define __HL 10 // HAL
60 #define __NK 11 // Nukta
61 #define __VD 12 // Vedic
62 #define __HD 13 // Hindu Numerals
63
64 /*
65 * Devanagari character type table
66 */
67 static const sal_uInt16 devaCT[128] = {
68 /* 0, 1, 2, 3, 4, 5, 6, 7,
69 8, 9, A, B, C, D, E, F, */
70 /* 0900 */ __ND, __UP, __UP, __NP, __ND, __IV, __IV, __IV,
71 __IV, __IV, __IV, __IV, __IV, __IV, __IV, __IV,
72 /* 0910 */ __IV, __IV, __IV, __IV, __IV, __CK, __CK, __CK,
73 __CN, __CN, __CN, __CN, __CK, __CN, __CN, __CN,
74 /* 0920 */ __CN, __CK, __CK, __CN, __CN, __CN, __CN, __CN,
75 __CN, __CN, __CN, __CK, __CN, __CN, __CN, __CN,
76 /* 0930 */ __RC, __CN, __CN, __CN, __CN, __CN, __CN, __CN,
77 __CN, __CN, __ND, __ND, __NK, __VD, __NM, __IM,
78 /* 0940 */ __RM, __NM, __NM, __NM, __NM, __RM, __RM, __RM,
79 __RM, __RM, __RM, __RM, __RM, __HL, __ND, __ND,
80 /* 0950 */ __ND, __VD, __VD, __VD, __VD, __ND, __ND, __ND,
81 __CN, __CN, __CN, __CN, __CN, __CN, __CN, __CN,
82 /* 0960 */ __IV, __IV, __NM, __NM, __ND, __ND, __HD, __HD,
83 __HD, __HD, __HD, __HD, __HD, __HD, __HD, __HD,
84 /* 0970 */ __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND,
85 __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND,
86 };
87
88 /*
89 * Devanagari character composition table
90 */
91 static const sal_uInt16 dev_cell_check[14][14] = {
92 /* ND, UP, NP, IV, CN, CK, RC, NM, RM, IM, HL, NK, VD, HD, */
93 /* 0 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* ND */
94 /* 1 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* UP */
95 /* 2 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NP */
96 /* 3 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IV */
97 /* 4 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* CN */
98 /* 5 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0 }, /* CK */
99 /* 6 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* RC */
100 /* 7 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NM */
101 /* 8 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* RM */
102 /* 9 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IM */
103 /* 10 */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }, /* HL */
104 /* 11 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* NK */
105 /* 12 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* VD */
106 /* 13 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } /* HD */
107 };
108
109 sal_Bool _DEV_Composible[2][2] = {
110 /* Mode 0 */ {sal_True, sal_True }, // PASSTHROUGH = 0
111 /* Mode 1 */ {sal_False, sal_True} // STRICT = 1
112 };
113
114 #define getCharType(x) \
115 ((x >= 0x0900 && x < 0x097f) ? devaCT[x - 0x0900] : __ND)
116
117 sal_Bool SAL_CALL
checkInputSequence(const OUString & Text,sal_Int32 nStartPos,sal_Unicode inputChar,sal_Int16 inputCheckMode)118 InputSequenceChecker_hi::checkInputSequence(const OUString& Text,
119 sal_Int32 nStartPos,
120 sal_Unicode inputChar,
121 sal_Int16 inputCheckMode)
122 throw(com::sun::star::uno::RuntimeException)
123 {
124 sal_Unicode currentChar = Text[nStartPos];
125 sal_uInt16 ch1 = getCharType(inputChar);
126 sal_uInt16 ch2 = getCharType(currentChar);
127
128 return (_DEV_Composible[inputCheckMode][dev_cell_check[ch2][ch1]]);
129 }
130
131 sal_Int32 SAL_CALL
correctInputSequence(OUString & Text,sal_Int32 nStartPos,sal_Unicode inputChar,sal_Int16 inputCheckMode)132 InputSequenceChecker_hi::correctInputSequence(OUString& Text,
133 sal_Int32 nStartPos,
134 sal_Unicode inputChar,
135 sal_Int16 inputCheckMode)
136 throw(com::sun::star::uno::RuntimeException)
137 {
138 if (checkInputSequence(Text, nStartPos, inputChar, inputCheckMode))
139 Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar));
140 else
141 nStartPos=Text.getLength();
142 return nStartPos;
143 }
144 } } } }
145