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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 : #ifndef INCLUDED_OOX_CORE_FRAGMENTHANDLER_HXX
21 : #define INCLUDED_OOX_CORE_FRAGMENTHANDLER_HXX
22 :
23 : #include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
24 : #include <cppuhelper/implbase1.hxx>
25 : #include <oox/core/contexthandler.hxx>
26 : #include <oox/core/relations.hxx>
27 : #include <oox/dllapi.h>
28 :
29 : namespace com { namespace sun { namespace star {
30 : namespace io { class XInputStream; }
31 : } } }
32 :
33 : namespace oox {
34 : namespace core {
35 :
36 :
37 :
38 : /** Base data of a fragment.
39 :
40 : This data is stored in a separate struct to make it accessible in every
41 : child context handler of the fragment.
42 : */
43 0 : struct FragmentBaseData
44 : {
45 : XmlFilterBase& mrFilter;
46 : const OUString maFragmentPath;
47 : ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XLocator >
48 : mxLocator;
49 : RelationsRef mxRelations;
50 :
51 : explicit FragmentBaseData(
52 : XmlFilterBase& rFilter,
53 : const OUString& rFragmentPath,
54 : RelationsRef xRelations );
55 : };
56 :
57 :
58 :
59 : /** Describes record identifiers used to create contexts in a binary stream.
60 :
61 : If a record is used to start a new context, usually the record identifier
62 : increased by 1 is used to mark the end of this context, e.g. the Excel
63 : record SHEETDATA == 0x0091 starts the <sheetData> context, and the record
64 : SHEETDATA_END == 0x0092 ends this context. But some records are used to
65 : start a new context, though there is no identifier to end this context,
66 : e.g. the ROW or EXTROW records. These record identifiers can be marked by
67 : setting the mnEndRecId member of this struct to -1.
68 : */
69 : struct RecordInfo
70 : {
71 : sal_Int32 mnStartRecId; ///< Record identifier for context start.
72 : sal_Int32 mnEndRecId; ///< Record identifier for context end, -1 = no record.
73 : };
74 :
75 :
76 :
77 : typedef ::cppu::ImplInheritanceHelper1< ContextHandler, ::com::sun::star::xml::sax::XFastDocumentHandler > FragmentHandler_BASE;
78 :
79 0 : class OOX_DLLPUBLIC FragmentHandler : public FragmentHandler_BASE
80 : {
81 : public:
82 : explicit FragmentHandler( XmlFilterBase& rFilter, const OUString& rFragmentPath );
83 : virtual ~FragmentHandler();
84 :
85 : /** Returns the com.sun.star.xml.sax.XFastContextHandler interface of this context. */
86 : ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastContextHandler >
87 0 : getFastContextHandler() { return static_cast< ContextHandler* >( this ); }
88 :
89 : // com.sun.star.xml.sax.XFastDocumentHandler interface --------------------
90 :
91 : virtual void SAL_CALL startDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
92 : virtual void SAL_CALL endDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
93 : virtual void SAL_CALL setDocumentLocator( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XLocator >& rxLocator ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
94 :
95 : // com.sun.star.xml.sax.XFastContextHandler interface ---------------------
96 :
97 : virtual void SAL_CALL startFastElement( ::sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
98 : virtual void SAL_CALL startUnknownElement( const OUString& Namespace, const OUString& Name, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
99 : virtual void SAL_CALL endFastElement( ::sal_Int32 Element ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
100 : virtual void SAL_CALL endUnknownElement( const OUString& Namespace, const OUString& Name ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
101 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext( ::sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
102 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastContextHandler > SAL_CALL createUnknownChildContext( const OUString& Namespace, const OUString& Name, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
103 : virtual void SAL_CALL characters( const OUString& aChars ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
104 : virtual void SAL_CALL ignorableWhitespace( const OUString& aWhitespaces ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException) SAL_OVERRIDE;
105 : virtual void SAL_CALL processingInstruction( const OUString& aTarget, const OUString& aData ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException) SAL_OVERRIDE;
106 :
107 : // XML stream handling ----------------------------------------------------
108 :
109 : /** Opens the fragment stream referred by the own fragment path. Derived
110 : classes may provide specilized stream implementations. */
111 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >
112 : openFragmentStream() const;
113 :
114 : // binary records ---------------------------------------------------------
115 :
116 : virtual const RecordInfo* getRecordInfos() const;
117 :
118 : protected:
119 : explicit FragmentHandler( XmlFilterBase& rFilter, const OUString& rFragmentPath, RelationsRef xRelations );
120 : };
121 :
122 : typedef ::rtl::Reference< FragmentHandler > FragmentHandlerRef;
123 :
124 :
125 :
126 : } // namespace core
127 : } // namespace oox
128 :
129 : #endif
130 :
131 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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