155 lines
5.4 KiB
C++
155 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _XMLOFF_XMLPROPERTYBACKPATCHER_HXX
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#define _XMLOFF_XMLPROPERTYBACKPATCHER_HXX
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#include <map>
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#include <vector>
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#include <comphelper/stl_types.hxx>
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namespace rtl { class OUString; }
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namespace com { namespace sun { namespace star {
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namespace beans { class XPropertySet; }
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namespace uno { template<class A> class Reference; }
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} } }
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/** This class maintains an OUString->sal_Int16 mapping for cases in
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* which an XPropertySet needs to be filled with values that are not
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* yet known.
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*
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* A good example for appropriate use are footnotes and references to
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* footnoes. Internally, the StarOffice API numbers footnotes, and
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* references to footnotes refer to that internal numbering. In the
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* XML file format, these numbers are replaced with name strings. Now
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* if during import of a document a reference to a footnote is
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* encountered, two things can happen: 1) The footnote already
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* appeared in the document. In this case the name is already known
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* and the proper ID can be requested from the footnote. 2) The
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* footnote will appear later in the document. In this case the ID is
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* not yet known, and the reference-ID property of the reference
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* cannot be determined. Hence, the reference has to be stored and the
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* ID needs to bet set later, when the footnote is eventually found in
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* the document.
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*
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* This class simplifies this process: If the footnote is found,
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* ResolveId with the XML name and the ID is called. When a reference
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* is encountered, SetProperty gets called with the reference's
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* XPropertySet and the XML name. All remaining tasks are handled by
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* the class.
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*/
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template <class A>
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class XMLPropertyBackpatcher
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{
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/// name of property that gets set or backpatched
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::rtl::OUString sPropertyName;
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/// should a default value be set for unresolved properties
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sal_Bool bDefaultHandling;
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/// should the sPreservePropertyName be preserved
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sal_Bool bPreserveProperty;
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/// name of the property to preserve
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::rtl::OUString sPreservePropertyName;
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/// default value for unresolved properties (if bDefaultHandling)
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A aDefault;
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/// backpatch list type
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typedef ::std::vector<
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::com::sun::star::uno::Reference<
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::com::sun::star::beans::XPropertySet> > BackpatchListType;
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/* use void* instead of BackpatchListType to avoid linker problems
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with long typenames. The real typename (commented out) contains
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>1200 chars. */
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/// backpatch list for unresolved IDs
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//::std::map<const ::rtl::OUString, BackpatchListType*> aBackpatchListMap;
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::std::map<const ::rtl::OUString, void*, ::comphelper::UStringLess> aBackpatchListMap;
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/// mapping of names -> IDs
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::std::map<const ::rtl::OUString, A, ::comphelper::UStringLess> aIDMap;
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public:
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XMLPropertyBackpatcher(
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const ::rtl::OUString& sPropertyName);
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XMLPropertyBackpatcher(
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const ::rtl::OUString& sPropertyName,
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const ::rtl::OUString& sPreservePropertyName,
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sal_Bool bDefault,
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A aDef);
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XMLPropertyBackpatcher(
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const sal_Char* pPropertyName);
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XMLPropertyBackpatcher(
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const sal_Char* pPropertyName,
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const sal_Char* pPreservePropertyName,
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sal_Bool bDefault,
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A aDef);
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~XMLPropertyBackpatcher();
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/// resolve a known ID.
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/// Call this as soon as the value for a particular name is known.
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void ResolveId(
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const ::rtl::OUString& sName,
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A aValue);
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/// Set property with the proper value for this name. If the value
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/// is not yet known, store the XPropertySet in the backpatch list.
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/// Use this whenever the value should be set, even if it is not yet known.
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/// const version
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void SetProperty(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::beans::XPropertySet> & xPropSet,
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const ::rtl::OUString& sName);
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/// non-const version of SetProperty
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void SetProperty(
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::com::sun::star::uno::Reference<
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::com::sun::star::beans::XPropertySet> & xPropSet,
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const ::rtl::OUString& sName);
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/// set default (if bDefaultHandling) for unresolved names
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/// called by destructor
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void SetDefault();
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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