3ead3ad52f
Turn the Link class into a template abstracting over the link's argument and return types, but provide default template arguments that keep the generic, unsafe "void* in, sal_IntPtr out" behvior. That way, individual uses of the Link class can be updated over time. All the related macros are duplicated with ..._TYPED counterparts, that additionally take the RetType (except for LINK_TYPED, which manages to infer the relevant types from the supplied Member). (It would have been attractive to change the "untyped" LinkStubs from taking a void* to a properly typed ArgType parameter, too, but that would cause -fsanitize=function to flag uses of "untyped" Link::Call.) Change-Id: I3b0140378bad99abbf240140ebb4a46a05d2d2f8
390 lines
18 KiB
C++
390 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SVX_FMSRCIMP_HXX
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#define INCLUDED_SVX_FMSRCIMP_HXX
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#include <svx/fmtools.hxx>
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#include <svx/svxdllapi.h>
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#include <com/sun/star/awt/XCheckBox.hpp>
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#include <com/sun/star/awt/XListBox.hpp>
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#include <com/sun/star/awt/XTextComponent.hpp>
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#include <com/sun/star/util/XNumberFormatsSupplier.hpp>
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#include <com/sun/star/util/XNumberFormatter.hpp>
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#include <cppuhelper/implbase1.hxx>
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#include <osl/mutex.hxx>
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#include <unotools/charclass.hxx>
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#include <unotools/collatorwrapper.hxx>
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#include <osl/thread.hxx>
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#include <deque>
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#include <vector>
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/**
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* class FmSearchThread
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*/
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class FmSearchEngine;
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class SAL_WARN_UNUSED FmSearchThread : public ::osl::Thread
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{
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FmSearchEngine* m_pEngine;
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Link<> m_aTerminationHdl;
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virtual void SAL_CALL run() SAL_OVERRIDE;
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virtual void SAL_CALL onTerminated() SAL_OVERRIDE;
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public:
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FmSearchThread(FmSearchEngine* pEngine) : m_pEngine(pEngine) { }
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void setTerminationHandler(Link<> aHdl) { m_aTerminationHdl = aHdl; }
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};
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/**
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* struct FmSearchProgress - the owner of SearchEngine receives this structure for status updates
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* (at the end of the search)
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*/
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struct FmSearchProgress
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{
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enum STATE { STATE_PROGRESS, STATE_PROGRESS_COUNTING, STATE_CANCELED, STATE_SUCCESSFULL, STATE_NOTHINGFOUND, STATE_ERROR };
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// (move to new record; progress during counting of records; cancelled; record found; nothing found;
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// any non-processable error)
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STATE aSearchState;
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// current record - always valid (e.g. of interest for continuing search in case of cancellation)
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sal_uInt32 nCurrentRecord;
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// Overflow - only valid in case of STATE_PROGRESS
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bool bOverflow;
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// the position of the search cursor - valid in case of STATE_SUCCESSFULL, STATE_CANCELED and STATE_NOTHING_FOUND
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::com::sun::star::uno::Any aBookmark;
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// the field, in which the text was found - valid in case of STATE_SUCCESSFULL
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sal_Int32 nFieldIndex;
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};
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/**
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* class FmRecordCountListener - utility class for FmSearchEngine, listens at a certain cursor and provides
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* the differences in RecordCount
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*/
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class SAL_WARN_UNUSED FmRecordCountListener : public ::cppu::WeakImplHelper1< ::com::sun::star::beans::XPropertyChangeListener>
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{
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// attribute
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Link<> m_lnkWhoWantsToKnow;
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::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > m_xListening;
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// attribute access
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public:
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Link<> SetPropChangeHandler(const Link<>& lnk);
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// methods
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public:
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FmRecordCountListener(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& dbcCursor);
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// the set has to support the sdb::ResultSet service
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virtual ~FmRecordCountListener();
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// DECLARE_UNO3_AGG_DEFAULTS(FmPropertyListener, UsrObject)
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// virtual sal_Bool queryInterface(::com::sun::star::uno::Uik aUik, ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rOut);
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// ::com::sun::star::lang::XEventListener
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virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& Source) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
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// ::com::sun::star::beans::XPropertyChangeListener
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virtual void SAL_CALL propertyChange(const ::com::sun::star::beans::PropertyChangeEvent& evt) throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
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void DisConnect();
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private:
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void NotifyCurrentCount();
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};
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/**
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* class FmSearchEngine - Impl class for FmSearchDialog
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*/
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namespace svxform {
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// We have three possible control types we may search in, determined by the supported interfaces : ::com::sun::star::awt::XTextComponent,
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// ::com::sun::star::awt::XListBox, ::com::sun::star::awt::XCheckBox.
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// While searching we don't want to do this distinction for every control in every round. So we need some helpers.
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class SAL_WARN_UNUSED ControlTextWrapper
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{
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// attributes
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::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xControl;
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// attribute access
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public:
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::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > getControl() const{ return m_xControl; }
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public:
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ControlTextWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xControl) { m_xControl = _xControl; }
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virtual ~ControlTextWrapper() { }
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virtual OUString getCurrentText() const = 0;
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};
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class SAL_WARN_UNUSED SimpleTextWrapper : public ControlTextWrapper
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{
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::com::sun::star::uno::Reference< ::com::sun::star::awt::XTextComponent > m_xText;
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public:
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SimpleTextWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XTextComponent >& _xText);
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virtual OUString getCurrentText() const SAL_OVERRIDE;
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};
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class SAL_WARN_UNUSED ListBoxWrapper : public ControlTextWrapper
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{
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::com::sun::star::uno::Reference< ::com::sun::star::awt::XListBox > m_xBox;
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public:
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ListBoxWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XListBox >& _xBox);
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virtual OUString getCurrentText() const SAL_OVERRIDE;
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};
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class SAL_WARN_UNUSED CheckBoxWrapper : public ControlTextWrapper
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{
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::com::sun::star::uno::Reference< ::com::sun::star::awt::XCheckBox > m_xBox;
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public:
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CheckBoxWrapper(const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XCheckBox >& _xBox);
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virtual OUString getCurrentText() const SAL_OVERRIDE;
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};
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}
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enum FMSEARCH_MODE { SM_BRUTE, SM_ALLOWSCHEDULE, SM_USETHREAD };
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typedef std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface> > InterfaceArray;
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class SVX_DLLPUBLIC SAL_WARN_UNUSED FmSearchEngine
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{
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friend class FmSearchThread;
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enum SEARCH_RESULT { SR_FOUND, SR_NOTFOUND, SR_ERROR, SR_CANCELED };
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enum SEARCHFOR_TYPE { SEARCHFOR_STRING, SEARCHFOR_NULL, SEARCHFOR_NOTNULL };
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CursorWrapper m_xSearchCursor;
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std::deque<sal_Int32> m_arrFieldMapping;
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// Since the iterator could have more columns, as managed here (in this field listbox),
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// a mapping of this ::com::sun::star::form keys on the indices of the respective columns is kept in the iterator
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// the formatter
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::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatsSupplier > m_xFormatSupplier;
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::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatter > m_xFormatter;
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CharClass m_aCharacterClassficator;
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CollatorWrapper m_aStringCompare;
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// the collection of all interesting fields (or their ::com::sun::star::data::XDatabaseVariant interfaces and FormatKeys)
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struct FieldInfo
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{
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::com::sun::star::uno::Reference< ::com::sun::star::sdb::XColumn > xContents;
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sal_uInt32 nFormatKey;
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bool bDoubleHandling;
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};
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typedef std::vector<FieldInfo> FieldCollection;
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FieldCollection m_arrUsedFields;
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sal_Int32 m_nCurrentFieldIndex; // the last parameter of RebuildUsedFields, it allows checks in FormatField
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typedef std::vector<svxform::ControlTextWrapper*> ControlTextSuppliers;
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ControlTextSuppliers m_aControlTexts;
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bool m_bUsingTextComponents;
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CursorWrapper m_xOriginalIterator;
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CursorWrapper m_xClonedIterator;
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// Data for the decision in which field a "Found" is accepted
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::com::sun::star::uno::Any m_aPreviousLocBookmark; // position of the last finding
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FieldCollection::iterator m_iterPreviousLocField; // field of the last finding
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// Communication with the thread that does the actual searching
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OUString m_strSearchExpression; // forward direction
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SEARCHFOR_TYPE m_eSearchForType; // ditto
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SEARCH_RESULT m_srResult; // backward direction
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// The link we broadcast the progress and the result to
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Link<> m_aProgressHandler;
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bool m_bSearchingCurrently : 1; // is an (asynchronous) search running?
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bool m_bCancelAsynchRequest : 1; // should be cancelled?
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::osl::Mutex m_aCancelAsynchAccess; // access to_bCancelAsynchRequest (technically only
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// relevant for m_eMode == SM_USETHREAD)
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FMSEARCH_MODE m_eMode; // current mode
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// parameters for the search
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bool m_bFormatter : 1; // use field formatting
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bool m_bForward : 1; // direction
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bool m_bWildcard : 1; // wildcard search
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bool m_bRegular : 1; // regular expression
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bool m_bLevenshtein : 1; // Levenshtein search
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bool m_bTransliteration : 1; // Levenshtein search
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bool m_bLevRelaxed : 1; // parameters for Levenshtein search
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sal_uInt16 m_nLevOther;
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sal_uInt16 m_nLevShorter;
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sal_uInt16 m_nLevLonger;
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sal_uInt16 m_nPosition; // if not regular or levenshtein, then one of the MATCHING_... values
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sal_Int32 m_nTransliterationFlags;
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// member access
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private:
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SVX_DLLPRIVATE bool CancelRequested(); // provides a through m_aCancelAsynchAccess backed interpretation of m_bCancelAsynchRequest
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public:
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void SetCaseSensitive(bool bSet);
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bool GetCaseSensitive() const;
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void SetFormatterUsing(bool bSet); // this is somewhat more extensive, so no inline ... here
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bool GetFormatterUsing() const { return m_bFormatter; }
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void SetDirection(bool bForward) { m_bForward = bForward; }
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bool GetDirection() const { return m_bForward; }
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void SetWildcard(bool bSet) { m_bWildcard = bSet; }
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bool GetWildcard() const { return m_bWildcard; }
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void SetRegular(bool bSet) { m_bRegular = bSet; }
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bool GetRegular() const { return m_bRegular; }
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void SetLevenshtein(bool bSet) { m_bLevenshtein = bSet; }
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bool GetLevenshtein() const { return m_bLevenshtein; }
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void SetIgnoreWidthCJK(bool bSet);
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bool GetIgnoreWidthCJK() const;
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void SetTransliteration(bool bSet) { m_bTransliteration = bSet; }
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bool GetTransliteration() const { return m_bTransliteration; }
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void SetLevRelaxed(bool bSet) { m_bLevRelaxed = bSet; }
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bool GetLevRelaxed() const { return m_bLevRelaxed; }
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void SetLevOther(sal_uInt16 nHowMuch) { m_nLevOther = nHowMuch; }
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sal_uInt16 GetLevOther() const { return m_nLevOther; }
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void SetLevShorter(sal_uInt16 nHowMuch) { m_nLevShorter = nHowMuch; }
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sal_uInt16 GetLevShorter() const { return m_nLevShorter; }
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void SetLevLonger(sal_uInt16 nHowMuch) { m_nLevLonger = nHowMuch; }
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sal_uInt16 GetLevLonger() const { return m_nLevLonger; }
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// all Lev. values will only be considered in case of m_bLevenshtein==sal_True
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void SetTransliterationFlags(sal_Int32 _nFlags) { m_nTransliterationFlags = _nFlags; }
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sal_Int32 GetTransliterationFlags() const { return m_nTransliterationFlags; }
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void SetPosition(sal_uInt16 nValue) { m_nPosition = nValue; }
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sal_uInt16 GetPosition() const { return m_nPosition; }
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// position will be ignored in case of m_bWildCard==sal_True
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FMSEARCH_MODE GetSearchMode() const { return m_eMode; }
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public:
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/** two constructs, both analogical to FmSearchDialog, therefore look this up for explanations ....
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xCursor has to implement ::com::sun::star::data::DatabaseCursor service each time.
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If eMode == SM_USETHREAD, a ProgressHandler should be set, because in this case the result forwarding will be done
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by this handler.
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If eMode != SM_USETHREAD, SearchNext and StarOver won't return, until the search has finished (independently of its
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success), only then the result can be requested. If additionally the ProgressHandler is set, it will be called for
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every record as well as at the end of the search.
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*/
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FmSearchEngine(
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const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext,
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const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& xCursor,
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const OUString& strVisibleFields,
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const ::com::sun::star::uno::Reference< ::com::sun::star::util::XNumberFormatsSupplier >& xFormat,
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FMSEARCH_MODE eMode);
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FmSearchEngine(
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const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext,
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const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& xCursor,
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const OUString& strVisibleFields,
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const InterfaceArray& arrFields,
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FMSEARCH_MODE eMode);
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virtual ~FmSearchEngine();
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/** the link will be called on every record and after the completion of the search, the parameter is a pointer to
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a FmSearchProgress structure
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the handler should be in any case thread-safe
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*/
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void SetProgressHandler(Link<> aHdl) { m_aProgressHandler = aHdl; }
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/// search for the next appearance (for nDirection values check DIRECTION_*-defines)
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void SearchNext(const OUString& strExpression);
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/// analogous, search for "NULL" (_bSearchForNull==sal_True) or "not NULL"
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void SearchNextSpecial(bool _bSearchForNull);
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/// search for the next appearance, dependent on nDirection from the start or end
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void StartOver(const OUString& strExpression);
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/// analogous, search for "NULL" (_bSearchForNull==sal_True) or "not NULL"
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void StartOverSpecial(bool _bSearchForNull);
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/// invalidate previous search reference
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void InvalidatePreviousLoc();
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/** rebuilds m_arrUsedFields (nFieldIndex==-1 means all fields, otherwise it specifies the field index)
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if bForce is not set, nothing will happen in case of nFieldIndex == m_nCurrentFieldIndex
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(calls InvalidatePreviousLoc)
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*/
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void RebuildUsedFields(sal_Int32 nFieldIndex, bool bForce = false);
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OUString FormatField(sal_Int32 nWhich);
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/// returns directly; once it was really aborted, ProgressHandler is called with STATE_CANCELED
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void CancelSearch();
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/** only valid, if not an (asynchronous) search is running, the next search will then be executed
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on top of the new iterator with the new parameter
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*/
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bool SwitchToContext(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& xCursor, const OUString& strVisibleFields, const InterfaceArray& arrFields,
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sal_Int32 nFieldIndex);
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protected:
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void Init(const OUString& strVisibleFields);
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void SearchNextImpl();
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// this Impl method is running in SearchThread
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// start a thread-search (or call SearchNextImpl directly, depending on the search mode)
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void ImplStartNextSearch();
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private:
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SVX_DLLPRIVATE void clearControlTexts();
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SVX_DLLPRIVATE void fillControlTexts(const InterfaceArray& arrFields);
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// three methods implementing a complete search loop (null/not null, wildcard, SearchText)
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// (they all have some code in common, but with this solution we have to do a distinction only once per search (before
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// starting the loop), not in every loop step
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SVX_DLLPRIVATE SEARCH_RESULT SearchSpecial(bool _bSearchForNull, sal_Int32& nFieldPos, FieldCollection::iterator& iterFieldLoop,
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const FieldCollection::iterator& iterBegin, const FieldCollection::iterator& iterEnd);
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SVX_DLLPRIVATE SEARCH_RESULT SearchWildcard(const OUString& strExpression, sal_Int32& nFieldPos, FieldCollection::iterator& iterFieldLoop,
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const FieldCollection::iterator& iterBegin, const FieldCollection::iterator& iterEnd);
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SVX_DLLPRIVATE SEARCH_RESULT SearchRegularApprox(const OUString& strExpression, sal_Int32& nFieldPos, FieldCollection::iterator& iterFieldLoop,
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const FieldCollection::iterator& iterBegin, const FieldCollection::iterator& iterEnd);
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SVX_DLLPRIVATE void PropagateProgress(bool _bDontPropagateOverflow);
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// call the ProgressHandler with STATE_PROGRESS and the current position of the search iterator
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// helpers, that are needed several times
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SVX_DLLPRIVATE bool MoveCursor();
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// moves m_xSearchIterator with respect to direction/overflow cursor
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SVX_DLLPRIVATE bool MoveField(sal_Int32& nPos, FieldCollection::iterator& iter, const FieldCollection::iterator& iterBegin, const FieldCollection::iterator& iterEnd);
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// moves the iterator with respect to the direction/overflow iterator/overflow cursor
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SVX_DLLPRIVATE void BuildAndInsertFieldInfo(const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess >& xAllFields, sal_Int32 nField);
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// builds a FieldInfo in relation to field number nField (in xAllFields) and adds it to m_arrUsedFields
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// xAllFields needs to support the DatabaseRecord service
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SVX_DLLPRIVATE OUString FormatField(const FieldInfo& rField);
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// formats the field with the NumberFormatter
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SVX_DLLPRIVATE bool HasPreviousLoc() { return m_aPreviousLocBookmark.hasValue(); }
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DECL_LINK(OnSearchTerminated, FmSearchThread*);
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// is used by SearchThread, after the return from this handler the thread removes itself
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DECL_LINK(OnNewRecordCount, void*);
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};
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#endif // INCLUDED_SVX_FMSRCIMP_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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