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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #include "vbarangehelper.hxx"
20 : #include <com/sun/star/text/ControlCharacter.hpp>
21 : #include <com/sun/star/text/XTextRangeCompare.hpp>
22 : #include <com/sun/star/text/XBookmarksSupplier.hpp>
23 :
24 : using namespace ::ooo::vba;
25 : using namespace ::com::sun::star;
26 :
27 : /**
28 : * get a range in a xText by creating
29 : * a cursor that iterates over the text. If the iterating cursor is
30 : * equal to the desired position, the range equivalent is returned.
31 : * Some special cases are tables that are inside of the text, because the
32 : * position has to be adjusted.
33 : * @param xText a text where a range position is searched
34 : * @param position a position inside o the text
35 : * @return a range for the position; null is returned if no range can be
36 : * constructed.
37 : */
38 0 : uno::Reference< text::XTextRange > SwVbaRangeHelper::getRangeByPosition( const uno::Reference< text::XText >& rText, sal_Int32 _position ) throw ( uno::RuntimeException )
39 : {
40 0 : uno::Reference< text::XTextRange > xRange;
41 0 : if( rText.is() )
42 : {
43 0 : sal_Int32 nPos = 0;
44 0 : uno::Reference< text::XTextCursor > xCursor = rText->createTextCursor();
45 0 : xCursor->collapseToStart();
46 0 : bool bCanGo = true;
47 0 : while( !xRange.is() && bCanGo )
48 : {
49 0 : if( _position == nPos )
50 : {
51 0 : xRange = xCursor->getStart();
52 : }
53 : else
54 : {
55 0 : bCanGo = xCursor->goRight( 1, sal_False );
56 0 : nPos++;
57 : }
58 0 : }
59 : }
60 0 : return xRange;
61 : }
62 :
63 0 : void SwVbaRangeHelper::insertString( uno::Reference< text::XTextRange >& rTextRange, uno::Reference< text::XText >& rText, const OUString& rStr, bool _bAbsorb ) throw ( uno::RuntimeException )
64 : {
65 0 : sal_Int32 nlastIndex = 0;
66 0 : sal_Int32 nIndex = 0;
67 0 : uno::Reference< text::XTextRange > xRange = rTextRange;
68 :
69 0 : while(( nIndex = rStr.indexOf('\n', nlastIndex)) >= 0 )
70 : {
71 0 : xRange = xRange->getEnd();
72 0 : if( nlastIndex < ( nIndex - 1 ) )
73 : {
74 0 : rText->insertString( xRange, rStr.copy( nlastIndex, ( nIndex - 1 - nlastIndex ) ), _bAbsorb );
75 0 : xRange = xRange->getEnd();
76 : }
77 :
78 0 : rText->insertControlCharacter( xRange, text::ControlCharacter::PARAGRAPH_BREAK, _bAbsorb );
79 0 : nlastIndex = nIndex + 1;
80 : }
81 :
82 0 : if( nlastIndex < rStr.getLength() )
83 : {
84 0 : xRange = xRange->getEnd();
85 :
86 0 : OUString aWatt = rStr.copy( nlastIndex );
87 0 : rText->insertString( xRange, aWatt, _bAbsorb );
88 0 : }
89 0 : }
90 :
91 0 : uno::Reference< text::XTextCursor > SwVbaRangeHelper::initCursor( const uno::Reference< text::XTextRange >& rTextRange,
92 : const uno::Reference< text::XText >& rText )
93 : throw ( uno::RuntimeException, script::BasicErrorException )
94 : {
95 0 : uno::Reference< text::XTextCursor > xTextCursor;
96 0 : bool bGotTextCursor = false;
97 :
98 : try
99 : {
100 0 : xTextCursor = rText->createTextCursorByRange( rTextRange );
101 0 : bGotTextCursor = true;
102 : }
103 0 : catch (const uno::Exception& e)
104 : {
105 0 : DebugHelper::basicexception(e);
106 : }
107 :
108 0 : if( !bGotTextCursor || !xTextCursor.is() )
109 : {
110 : try
111 : {
112 0 : uno::Reference< text::XText > xText = rTextRange->getText();
113 0 : xTextCursor = xText->createTextCursor();
114 0 : bGotTextCursor = true;
115 : }
116 0 : catch (const uno::Exception& e)
117 : {
118 0 : DebugHelper::basicexception(e);
119 : }
120 : }
121 :
122 0 : if( !bGotTextCursor || !xTextCursor.is() )
123 : {
124 : try
125 : {
126 0 : xTextCursor = rText->createTextCursor();
127 0 : bGotTextCursor = true;
128 : }
129 0 : catch (const uno::Exception& e)
130 : {
131 0 : DebugHelper::basicexception(e);
132 : }
133 : }
134 0 : return xTextCursor;
135 : }
136 :
137 0 : sal_Int32 SwVbaRangeHelper::getPosition( const uno::Reference< text::XText >& rText, const uno::Reference< text::XTextRange >& rTextRange ) throw ( uno::RuntimeException )
138 : {
139 0 : sal_Int32 nPosition = -1;
140 0 : if( rText.is() && rTextRange.is() )
141 : {
142 0 : nPosition = 0;
143 0 : uno::Reference< text::XTextCursor > xCursor = rText->createTextCursor();
144 0 : xCursor->collapseToStart();
145 0 : uno::Reference< text::XTextRangeCompare > xCompare( rText, uno::UNO_QUERY_THROW );
146 : // compareValue is 0 if the ranges are equal
147 0 : sal_Int32 nCompareValue = xCompare->compareRegionStarts( xCursor->getStart(), rTextRange );
148 0 : bool canGo = true;
149 :
150 0 : while( nCompareValue !=0 && canGo )
151 : {
152 0 : canGo = xCursor->goRight( 1, sal_False );
153 0 : nCompareValue = xCompare->compareRegionStarts( xCursor->getStart(), rTextRange );
154 0 : nPosition++;
155 : }
156 :
157 : // check fails: no correct position found
158 0 : if( !canGo && nCompareValue != 0 )
159 : {
160 0 : nPosition = -1;
161 0 : }
162 : }
163 :
164 0 : return nPosition;
165 : }
166 :
167 0 : uno::Reference< text::XTextContent > SwVbaRangeHelper::findBookmarkByPosition( const uno::Reference< text::XTextDocument >& xTextDoc, const uno::Reference< text::XTextRange >& xTextRange ) throw ( css::uno::RuntimeException )
168 : {
169 0 : uno::Reference< text::XBookmarksSupplier > xBookmarksSupplier( xTextDoc, uno::UNO_QUERY_THROW );
170 0 : uno::Reference< container::XIndexAccess > xIndexAccess( xBookmarksSupplier->getBookmarks(), uno::UNO_QUERY_THROW );
171 0 : for( sal_Int32 index = 0; index < xIndexAccess->getCount(); index++ )
172 : {
173 0 : uno::Reference< text::XTextContent > xBookmark( xIndexAccess->getByIndex( index ), uno::UNO_QUERY_THROW );
174 0 : uno::Reference< text::XTextRange > xBkAnchor = xBookmark->getAnchor();
175 0 : uno::Reference< text::XTextRangeCompare > xCompare( xBkAnchor->getText(), uno::UNO_QUERY_THROW );
176 0 : if( xCompare->compareRegionStarts( xBkAnchor->getStart(), xBkAnchor->getEnd() ) == 0 )
177 : {
178 : try
179 : {
180 0 : if( xCompare->compareRegionStarts( xTextRange, xBkAnchor->getStart() ) == 0 )
181 0 : return xBookmark;
182 : }
183 0 : catch (const uno::Exception&)
184 : {
185 0 : continue;
186 : }
187 : }
188 0 : }
189 0 : return uno::Reference< text::XTextContent >();
190 : }
191 :
192 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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