1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_i18npool.hxx"
#include <com/sun/star/i18n/CTLScriptType.hpp>
#include <com/sun/star/i18n/ScriptDirection.hpp>
#include <com/sun/star/i18n/UnicodeScript.hpp>
#include <scripttypedetector.hxx>
#include <i18nutil/unicode.hxx>
// ----------------------------------------------------
// class ScriptTypeDetector
// ----------------------------------------------------;
using namespace com::sun::star::i18n;
ScriptTypeDetector::ScriptTypeDetector()
{
}
ScriptTypeDetector::~ScriptTypeDetector()
{
}
static sal_Int16 scriptDirection[] = {
ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_LEFT_TO_RIGHT = 0,
ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_RIGHT_TO_LEFT = 1,
ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_EUROPEAN_NUMBER = 2,
ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_EUROPEAN_NUMBER_SEPARATOR = 3,
ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_EUROPEAN_NUMBER_TERMINATOR = 4,
ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_ARABIC_NUMBER = 5,
ScriptDirection::NEUTRAL, // DirectionProperty_COMMON_NUMBER_SEPARATOR = 6,
ScriptDirection::NEUTRAL, // DirectionProperty_BLOCK_SEPARATOR = 7,
ScriptDirection::NEUTRAL, // DirectionProperty_SEGMENT_SEPARATOR = 8,
ScriptDirection::NEUTRAL, // DirectionProperty_WHITE_SPACE_NEUTRAL = 9,
ScriptDirection::NEUTRAL, // DirectionProperty_OTHER_NEUTRAL = 10,
ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_LEFT_TO_RIGHT_EMBEDDING = 11,
ScriptDirection::LEFT_TO_RIGHT, // DirectionProperty_LEFT_TO_RIGHT_OVERRIDE = 12,
ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_RIGHT_TO_LEFT_ARABIC = 13,
ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_RIGHT_TO_LEFT_EMBEDDING = 14,
ScriptDirection::RIGHT_TO_LEFT, // DirectionProperty_RIGHT_TO_LEFT_OVERRIDE = 15,
ScriptDirection::NEUTRAL, // DirectionProperty_POP_DIRECTIONAL_FORMAT = 16,
ScriptDirection::NEUTRAL, // DirectionProperty_DIR_NON_SPACING_MARK = 17,
ScriptDirection::NEUTRAL, // DirectionProperty_BOUNDARY_NEUTRAL = 18,
};
sal_Int16 SAL_CALL
ScriptTypeDetector::getScriptDirection( const ::rtl::OUString& Text, sal_Int32 nPos, sal_Int16 defaultScriptDirection ) throw (::com::sun::star::uno::RuntimeException)
{
sal_Int16 dir = scriptDirection[unicode::getUnicodeDirection(Text[nPos])];
return (dir == ScriptDirection::NEUTRAL) ? defaultScriptDirection : dir;
}
// return value '-1' means either the direction on nPos is not same as scriptDirection or nPos is out of range.
sal_Int32 SAL_CALL
ScriptTypeDetector::beginOfScriptDirection( const ::rtl::OUString& Text, sal_Int32 nPos, sal_Int16 direction ) throw (::com::sun::star::uno::RuntimeException)
{
sal_Int32 cPos = nPos;
if (cPos < Text.getLength()) {
for (; cPos >= 0; cPos--) {
if (direction != getScriptDirection(Text, cPos, direction))
break;
}
}
return cPos == nPos ? -1 : cPos + 1;
}
sal_Int32 SAL_CALL
ScriptTypeDetector::endOfScriptDirection( const ::rtl::OUString& Text, sal_Int32 nPos, sal_Int16 direction ) throw (::com::sun::star::uno::RuntimeException)
{
sal_Int32 cPos = nPos;
sal_Int32 len = Text.getLength();
if (cPos >=0) {
for (; cPos < len; cPos++) {
if (direction != getScriptDirection(Text, cPos, direction))
break;
}
}
return cPos == nPos ? -1 : cPos;
}
sal_Int16 SAL_CALL
ScriptTypeDetector::getCTLScriptType( const ::rtl::OUString& Text, sal_Int32 nPos ) throw (::com::sun::star::uno::RuntimeException)
{
static ScriptTypeList typeList[] = {
{ UnicodeScript_kHebrew, UnicodeScript_kHebrew, CTLScriptType::CTL_HEBREW }, // 10
{ UnicodeScript_kArabic, UnicodeScript_kArabic, CTLScriptType::CTL_ARABIC }, // 11
{ UnicodeScript_kDevanagari, UnicodeScript_kDevanagari, CTLScriptType::CTL_INDIC }, // 14
{ UnicodeScript_kThai, UnicodeScript_kThai, CTLScriptType::CTL_THAI }, // 24
{ UnicodeScript_kScriptCount, UnicodeScript_kScriptCount, CTLScriptType::CTL_UNKNOWN } // 88
};
return unicode::getUnicodeScriptType(Text[nPos], typeList, CTLScriptType::CTL_UNKNOWN);
}
// Begin of Script Type is inclusive.
sal_Int32 SAL_CALL
ScriptTypeDetector::beginOfCTLScriptType( const ::rtl::OUString& Text, sal_Int32 nPos ) throw (::com::sun::star::uno::RuntimeException)
{
if (nPos < 0)
return 0;
else if (nPos >= Text.getLength())
return Text.getLength();
else {
sal_Int16 cType = getCTLScriptType(Text, nPos);
for (nPos--; nPos >= 0; nPos--) {
if (cType != getCTLScriptType(Text, nPos))
break;
}
return nPos + 1;
}
}
// End of the Script Type is exclusive, the return value pointing to the begin of next script type
sal_Int32 SAL_CALL
ScriptTypeDetector::endOfCTLScriptType( const ::rtl::OUString& Text, sal_Int32 nPos ) throw (::com::sun::star::uno::RuntimeException)
{
if (nPos < 0)
return 0;
else if (nPos >= Text.getLength())
return Text.getLength();
else {
sal_Int16 cType = getCTLScriptType(Text, nPos);
sal_Int32 len = Text.getLength();
for (nPos++; nPos < len; nPos++) {
if (cType != getCTLScriptType(Text, nPos))
break;
}
return nPos;
}
}
const sal_Char sDetector[] = "draft.com.sun.star.i18n.ScriptTypeDetector";
rtl::OUString SAL_CALL
ScriptTypeDetector::getImplementationName() throw( ::com::sun::star::uno::RuntimeException )
{
return ::rtl::OUString::createFromAscii(sDetector);
}
sal_Bool SAL_CALL
ScriptTypeDetector::supportsService(const rtl::OUString& ServiceName) throw( ::com::sun::star::uno::RuntimeException )
{
return !ServiceName.compareToAscii(sDetector);
}
::com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL
ScriptTypeDetector::getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException )
{
::com::sun::star::uno::Sequence< ::rtl::OUString > aRet(1);
aRet[0] = ::rtl::OUString::createFromAscii(sDetector);
return aRet;
}
|
