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Diffstat (limited to 'include/oox/core/fragmenthandler.hxx')
| -rw-r--r-- | include/oox/core/fragmenthandler.hxx | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/include/oox/core/fragmenthandler.hxx b/include/oox/core/fragmenthandler.hxx new file mode 100644 index 000000000000..236e212e6e32 --- /dev/null +++ b/include/oox/core/fragmenthandler.hxx @@ -0,0 +1,131 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef OOX_CORE_FRAGMENTHANDLER_HXX +#define OOX_CORE_FRAGMENTHANDLER_HXX + +#include <com/sun/star/xml/sax/XFastDocumentHandler.hpp> +#include <cppuhelper/implbase1.hxx> +#include "oox/core/contexthandler.hxx" +#include "oox/core/relations.hxx" +#include "oox/dllapi.h" + +namespace com { namespace sun { namespace star { + namespace io { class XInputStream; } +} } } + +namespace oox { +namespace core { + +// ============================================================================ + +/** Base data of a fragment. + + This data is stored in a separate struct to make it accessible in every + child context handler of the fragment. + */ +struct FragmentBaseData +{ + XmlFilterBase& mrFilter; + const OUString maFragmentPath; + ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XLocator > + mxLocator; + RelationsRef mxRelations; + + explicit FragmentBaseData( + XmlFilterBase& rFilter, + const OUString& rFragmentPath, + RelationsRef xRelations ); +}; + +// ============================================================================ + +/** Describes record identifiers used to create contexts in a binary stream. + + If a record is used to start a new context, usually the record identifier + increased by 1 is used to mark the end of this context, e.g. the Excel + record SHEETDATA == 0x0091 starts the <sheetData> context, and the record + SHEETDATA_END == 0x0092 ends this context. But some records are used to + start a new context, though there is no identifier to end this context, + e.g. the ROW or EXTROW records. These record identifiers can be marked by + setting the mnEndRecId member of this struct to -1. + */ +struct RecordInfo +{ + sal_Int32 mnStartRecId; ///< Record identifier for context start. + sal_Int32 mnEndRecId; ///< Record identifier for context end, -1 = no record. +}; + +// ============================================================================ + +typedef ::cppu::ImplInheritanceHelper1< ContextHandler, ::com::sun::star::xml::sax::XFastDocumentHandler > FragmentHandler_BASE; + +class OOX_DLLPUBLIC FragmentHandler : public FragmentHandler_BASE +{ +public: + explicit FragmentHandler( XmlFilterBase& rFilter, const OUString& rFragmentPath ); + virtual ~FragmentHandler(); + + /** Returns the com.sun.star.xml.sax.XFastContextHandler interface of this context. */ + inline ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastContextHandler > + getFastContextHandler() { return static_cast< ContextHandler* >( this ); } + + // com.sun.star.xml.sax.XFastDocumentHandler interface -------------------- + + virtual void SAL_CALL startDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); + virtual void SAL_CALL endDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); + 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); + + // com.sun.star.xml.sax.XFastContextHandler interface --------------------- + + 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); + 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); + virtual void SAL_CALL endFastElement( ::sal_Int32 Element ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); + virtual void SAL_CALL endUnknownElement( const OUString& Namespace, const OUString& Name ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); + 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); + 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); + virtual void SAL_CALL characters( const OUString& aChars ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); + virtual void SAL_CALL ignorableWhitespace( const OUString& aWhitespaces ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); + virtual void SAL_CALL processingInstruction( const OUString& aTarget, const OUString& aData ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); + + // XML stream handling ---------------------------------------------------- + + /** Opens the fragment stream referred by the own fragment path. Derived + classes may provide specilized stream implementations. */ + virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > + openFragmentStream() const; + + // binary records --------------------------------------------------------- + + virtual const RecordInfo* getRecordInfos() const; + +protected: + explicit FragmentHandler( XmlFilterBase& rFilter, const OUString& rFragmentPath, RelationsRef xRelations ); +}; + +typedef ::rtl::Reference< FragmentHandler > FragmentHandlerRef; + +// ============================================================================ + +} // namespace core +} // namespace oox + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |