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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 :
20 : #include "XMLTextPContext.hxx"
21 : #include "xmlimprt.hxx"
22 : #include "xmlcelli.hxx"
23 : #include <xmloff/xmlnmspe.hxx>
24 : #include <xmloff/xmltoken.hxx>
25 : #include <xmloff/nmspmap.hxx>
26 : #include <com/sun/star/text/XTextCursor.hpp>
27 :
28 : using namespace com::sun::star;
29 : using namespace xmloff::token;
30 :
31 : class ScXMLTextTContext : public SvXMLImportContext
32 : {
33 : const ScXMLImport& GetScImport() const { return (const ScXMLImport&)GetImport(); }
34 0 : ScXMLImport& GetScImport() { return (ScXMLImport&)GetImport(); }
35 : public:
36 : ScXMLTextTContext( ScXMLImport& rImport, sal_uInt16 nPrfx,
37 : const ::rtl::OUString& rLName,
38 : const ::com::sun::star::uno::Reference<
39 : ::com::sun::star::xml::sax::XAttributeList>& xAttrList,
40 : ScXMLTextPContext* pTextPContext);
41 :
42 : virtual ~ScXMLTextTContext();
43 : };
44 :
45 :
46 0 : ScXMLTextTContext::ScXMLTextTContext( ScXMLImport& rImport,
47 : sal_uInt16 nPrfx,
48 : const ::rtl::OUString& rLName,
49 : const ::com::sun::star::uno::Reference<
50 : ::com::sun::star::xml::sax::XAttributeList>& xAttrList,
51 : ScXMLTextPContext* pTextPContext) :
52 0 : SvXMLImportContext( rImport, nPrfx, rLName )
53 : {
54 0 : if (pTextPContext)
55 : {
56 0 : sal_Int16 nAttrCount(xAttrList.is() ? xAttrList->getLength() : 0);
57 0 : rtl::OUString aLocalName;
58 0 : sal_Int32 nCount(1);
59 0 : for( sal_Int16 i=0; i < nAttrCount; ++i )
60 : {
61 0 : sal_uInt16 nPrefix(GetScImport().GetNamespaceMap().GetKeyByAttrName(
62 0 : xAttrList->getNameByIndex( i ), &aLocalName ));
63 0 : const rtl::OUString& sValue(xAttrList->getValueByIndex( i ));
64 :
65 0 : if ((nPrefix == XML_NAMESPACE_TEXT) && IsXMLToken(aLocalName, XML_C))
66 0 : nCount = sValue.toInt32();
67 0 : }
68 0 : pTextPContext->AddSpaces(nCount);
69 : }
70 0 : }
71 :
72 0 : ScXMLTextTContext::~ScXMLTextTContext()
73 : {
74 0 : }
75 :
76 : //------------------------------------------------------------------
77 :
78 322 : ScXMLTextPContext::ScXMLTextPContext( ScXMLImport& rImport,
79 : sal_uInt16 nPrfx,
80 : const ::rtl::OUString& rLName,
81 : const ::com::sun::star::uno::Reference<
82 : ::com::sun::star::xml::sax::XAttributeList>& xTempAttrList,
83 : ScXMLTableRowCellContext* pTempCellContext) :
84 : SvXMLImportContext( rImport, nPrfx, rLName ),
85 : xAttrList(xTempAttrList),
86 : pTextPContext(NULL),
87 : pCellContext(pTempCellContext),
88 : sLName(rLName),
89 : sSimpleContent(),
90 : pContentBuffer(NULL),
91 322 : nPrefix(nPrfx)
92 : {
93 : // here are no attributes
94 322 : }
95 :
96 966 : ScXMLTextPContext::~ScXMLTextPContext()
97 : {
98 322 : if (pTextPContext)
99 1 : delete pTextPContext;
100 322 : if (pContentBuffer)
101 6 : delete pContentBuffer;
102 644 : }
103 :
104 0 : void ScXMLTextPContext::AddSpaces(sal_Int32 nSpaceCount)
105 : {
106 : // use pContentBuffer
107 0 : if ( !pContentBuffer )
108 0 : pContentBuffer = new rtl::OUStringBuffer( sSimpleContent );
109 :
110 0 : sal_Char* pChars = new sal_Char[nSpaceCount];
111 0 : memset(pChars, ' ', nSpaceCount);
112 0 : pContentBuffer->appendAscii(pChars, nSpaceCount);
113 0 : }
114 :
115 1 : SvXMLImportContext *ScXMLTextPContext::CreateChildContext( sal_uInt16 nTempPrefix,
116 : const ::rtl::OUString& rLName,
117 : const ::com::sun::star::uno::Reference<
118 : ::com::sun::star::xml::sax::XAttributeList>& xTempAttrList )
119 : {
120 1 : SvXMLImportContext *pContext(NULL);
121 2 : if (!pTextPContext &&
122 : (nTempPrefix == XML_NAMESPACE_TEXT) &&
123 1 : IsXMLToken(rLName, XML_S))
124 0 : pContext = new ScXMLTextTContext( GetScImport(), nTempPrefix, rLName, xTempAttrList, this);
125 : else
126 : {
127 1 : if (!pTextPContext)
128 : {
129 1 : rtl::OUString sSetString;
130 1 : if ( pContentBuffer )
131 0 : sSetString = pContentBuffer->makeStringAndClear();
132 : else
133 1 : sSetString = sSimpleContent;
134 :
135 1 : sal_Unicode cNonSpace(0);
136 :
137 1 : sal_Int32 nLength = sSetString.getLength();
138 1 : if ( nLength > 0 )
139 : {
140 1 : sal_Unicode cLast = sSetString.getStr()[ nLength - 1 ];
141 1 : if ( cLast != (sal_Unicode)' ' )
142 : {
143 : // #i53253# To keep XMLParaContext's whitespace handling in sync,
144 : // if there's a non-space character at the end of the existing string,
145 : // it has to be processed by XMLParaContext.
146 :
147 1 : cNonSpace = cLast;
148 1 : sSetString = sSetString.copy( 0, nLength - 1 ); // remove from the string for SetCursorOnTextImport
149 : }
150 : }
151 :
152 1 : pCellContext->SetCursorOnTextImport( sSetString );
153 :
154 1 : pTextPContext = GetScImport().GetTextImport()->CreateTextChildContext(
155 2 : GetScImport(), nPrefix, sLName, xAttrList);
156 :
157 1 : if ( cNonSpace != 0 )
158 : {
159 : // pass non-space character through XMLParaContext, so a following space isn't ignored
160 1 : pTextPContext->Characters( rtl::OUString( cNonSpace ) );
161 1 : }
162 : }
163 1 : if (pTextPContext)
164 1 : pContext = pTextPContext->CreateChildContext(nTempPrefix, rLName, xTempAttrList);
165 : }
166 :
167 1 : if( !pContext )
168 0 : pContext = new SvXMLImportContext( GetScImport(), nTempPrefix, rLName );
169 :
170 1 : return pContext;
171 : }
172 :
173 334 : void ScXMLTextPContext::Characters( const ::rtl::OUString& rChars )
174 : {
175 334 : if (!pTextPContext)
176 : {
177 : // For the first call to an empty context, copy (ref-counted) the OUString.
178 : // The OUStringBuffer is used only if there is more complex content.
179 :
180 334 : if ( !pContentBuffer && sSimpleContent.isEmpty() )
181 320 : sSimpleContent = rChars;
182 : else
183 : {
184 14 : if ( !pContentBuffer )
185 6 : pContentBuffer = new rtl::OUStringBuffer( sSimpleContent );
186 14 : pContentBuffer->append(rChars);
187 : }
188 : }
189 : else
190 0 : pTextPContext->Characters(rChars);
191 334 : }
192 :
193 322 : void ScXMLTextPContext::EndElement()
194 : {
195 322 : if (!pTextPContext)
196 : {
197 321 : if ( pContentBuffer )
198 6 : pCellContext->SetString(pContentBuffer->makeStringAndClear());
199 : else
200 315 : pCellContext->SetString(sSimpleContent);
201 : }
202 : else
203 : {
204 1 : pTextPContext->EndElement();
205 1 : GetScImport().SetRemoveLastChar(sal_True);
206 : }
207 322 : }
208 :
209 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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