1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #ifndef _XMLOFF_TRANSFORMERCONTEXT_HXX
25 #define _XMLOFF_TRANSFORMERCONTEXT_HXX
26 
27 #include <com/sun/star/xml/sax/XAttributeList.hpp>
28 #include <tools/solar.h>
29 #include <salhelper/simplereferenceobject.hxx>
30 #include <rtl/ustring.hxx>
31 #include <tools/rtti.hxx>
32 #include <xmloff/xmltoken.hxx>
33 
34 class SvXMLNamespaceMap;
35 class XMLTransformerBase;
36 
37 class XMLTransformerContext : public ::salhelper::SimpleReferenceObject
38 {
39 	friend class XMLTransformerBase;
40 
41 	XMLTransformerBase& m_rTransformer;
42 
43 	::rtl::OUString m_aQName;
44 
45 	SvXMLNamespaceMap	*m_pRewindMap;
46 
GetRewindMap() const47 	SvXMLNamespaceMap  *GetRewindMap() const { return m_pRewindMap; }
SetRewindMap(SvXMLNamespaceMap * p)48 	void SetRewindMap( SvXMLNamespaceMap *p ) { m_pRewindMap = p; }
49 
50 protected:
51 
GetTransformer()52 	XMLTransformerBase& GetTransformer() { return m_rTransformer; }
GetTransformer() const53 	const XMLTransformerBase& GetTransformer() const { return m_rTransformer; }
54 
SetQName(const::rtl::OUString & rQName)55 	void SetQName( const ::rtl::OUString& rQName ) { m_aQName = rQName; }
56 
57 public:
58 	TYPEINFO();
59 
GetQName() const60 	const ::rtl::OUString& GetQName() const { return m_aQName; }
61 	sal_Bool HasQName( sal_uInt16 nPrefix,
62 					   ::xmloff::token::XMLTokenEnum eToken ) const;
63 	sal_Bool HasNamespace( sal_uInt16 nPrefix ) const;
64 
65 	// A contexts constructor does anything that is required if an element
66 	// starts. Namespace processing has been done already.
67 	// Note that virtual methods cannot be used inside constructors. Use
68 	// StartElement instead if this is required.
69 	XMLTransformerContext( XMLTransformerBase& rTransformer,
70 						const ::rtl::OUString& rQName );
71 
72 	// A contexts destructor does anything that is required if an element
73 	// ends. By default, nothing is done.
74 	// Note that virtual methods cannot be used inside destructors. Use
75 	// EndElement instead if this is required.
76 	virtual ~XMLTransformerContext();
77 
78 	// Create a childs element context. By default, the import's
79 	// CreateContext method is called to create a new default context.
80 	virtual XMLTransformerContext *CreateChildContext( sal_uInt16 nPrefix,
81 								   const ::rtl::OUString& rLocalName,
82 								   const ::rtl::OUString& rQName,
83 								   const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& xAttrList );
84 
85 	// StartElement is called after a context has been constructed and
86 	// before a elements context is parsed. It may be used for actions that
87 	// require virtual methods. The default is to do nothing.
88 	virtual void StartElement( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& xAttrList );
89 
90 	// EndElement is called before a context will be destructed, but
91 	// after a elements context has been parsed. It may be used for actions
92 	// that require virtual methods. The default is to do nothing.
93 	virtual void EndElement();
94 
95 	// This method is called for all characters that are contained in the
96 	// current element. The default is to ignore them.
97 	virtual void Characters( const ::rtl::OUString& rChars );
98 
99 	// Is the current context a persistent one (i.e. one that saves is content
100 	// rather than exporting it directly?
101 	virtual sal_Bool IsPersistent() const;
102 
103 	// Export the whole element. By default, nothing is done here
104 	virtual void Export();
105 
106 	// Export the element content. By default, nothing is done here
107 	virtual void ExportContent();
108 };
109 
110 
111 #endif	//  _XMLOFF_TRANSFORMERCONTEXT_HXX
112 
113