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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 OOX_CORE_FRAGMENTHANDLER_HXX
21 : : #define 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 [ + - ]: 531 : struct FragmentBaseData
44 : : {
45 : : XmlFilterBase& mrFilter;
46 : : const ::rtl::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 ::rtl::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 : 18 : class OOX_DLLPUBLIC FragmentHandler : public FragmentHandler_BASE
80 : : {
81 : : public:
82 : : explicit FragmentHandler( XmlFilterBase& rFilter, const ::rtl::OUString& rFragmentPath );
83 : : virtual ~FragmentHandler();
84 : :
85 : : /** Returns the com.sun.star.xml.sax.XFastContextHandler interface of this context. */
86 : : inline ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastContextHandler >
87 : 168 : 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);
92 : : virtual void SAL_CALL endDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
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);
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);
98 : : virtual void SAL_CALL startUnknownElement( const ::rtl::OUString& Namespace, const ::rtl::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);
99 : : virtual void SAL_CALL endFastElement( ::sal_Int32 Element ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
100 : : virtual void SAL_CALL endUnknownElement( const ::rtl::OUString& Namespace, const ::rtl::OUString& Name ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
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);
102 : : virtual ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastContextHandler > SAL_CALL createUnknownChildContext( const ::rtl::OUString& Namespace, const ::rtl::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);
103 : : virtual void SAL_CALL characters( const ::rtl::OUString& aChars ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
104 : : virtual void SAL_CALL ignorableWhitespace( const ::rtl::OUString& aWhitespaces ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
105 : : virtual void SAL_CALL processingInstruction( const ::rtl::OUString& aTarget, const ::rtl::OUString& aData ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
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 ::rtl::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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