starmath/source/mathmlimport.hxx

   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_STARMATH_SOURCE_MATHMLIMPORT_HXX
  21 #define INCLUDED_STARMATH_SOURCE_MATHMLIMPORT_HXX
  22
  23 #include <xmloff/xmlimp.hxx>
  24 #include <vcl/errcode.hxx>
  25
  26 #include <deque>
  27 #include <memory>
  28
  29 class SmNode;
  30 class SfxMedium;
  31 namespace com::sun::star {
  32     namespace beans {
  33         class XPropertySet; }
  34 }
  35
  36
  37 typedef std::deque<std::unique_ptr<SmNode>> SmNodeStack;
  38
  39 class SmXMLImportWrapper
  40 {
  41     css::uno::Reference<css::frame::XModel> xModel;
  42
  43 public:
  44     explicit SmXMLImportWrapper(css::uno::Reference<css::frame::XModel> const &rRef)
  45         : xModel(rRef) {}
  46
  47     ErrCode Import(SfxMedium &rMedium);
  48
  49     static ErrCode ReadThroughComponent(
  50         const css::uno::Reference< css::io::XInputStream >& xInputStream,
  51         const css::uno::Reference< css::lang::XComponent >& xModelComponent,
  52         css::uno::Reference< css::uno::XComponentContext > const & rxContext,
  53         css::uno::Reference< css::beans::XPropertySet > const & rPropSet,
  54         const char* pFilterName,
  55         bool bEncrypted );
  56
  57     static ErrCode ReadThroughComponent(
  58         const css::uno::Reference< css::embed::XStorage >& xStorage,
  59         const css::uno::Reference< css::lang::XComponent >& xModelComponent,
  60         const char* pStreamName,
  61         css::uno::Reference< css::uno::XComponentContext > const & rxContext,
  62         css::uno::Reference< css::beans::XPropertySet > const & rPropSet,
  63         const char* pFilterName );
  64 };
  65
  66
  67 class SmXMLImport : public SvXMLImport
  68 {
  69         SmNodeStack aNodeStack;
  70         bool bSuccess;
  71         int nParseDepth;
  72         OUString aText;
  73
  74 public:
  75     SmXMLImport(
  76         const css::uno::Reference< css::uno::XComponentContext >& rContext,
  77         OUString const & implementationName, SvXMLImportFlags nImportFlags);
  78     virtual ~SmXMLImport() throw () override;
  79
  80     // XUnoTunnel
  81     sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< sal_Int8 >& rId ) override;
  82     static const css::uno::Sequence< sal_Int8 > & getUnoTunnelId() throw();
  83
  84     void SAL_CALL endDocument() override;
  85
  86     SvXMLImportContext *CreateFastContext( sal_Int32 nElement,
  87         const css::uno::Reference<
  88         css::xml::sax::XFastAttributeList >& xAttrList ) override;
  89
  90     SmNodeStack & GetNodeStack()    { return aNodeStack; }
  91
  92     bool GetSuccess() const              { return bSuccess; }
  93     [[nodiscard]] const OUString& GetText() const { return aText; }
  94     void SetText(const OUString &rStr) { aText = rStr; }
  95
  96     virtual void SetViewSettings(const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
  97     virtual void SetConfigurationSettings(const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
  98
  99     void IncParseDepth() { ++nParseDepth; }
 100     bool TooDeep() const { return nParseDepth >= 2048; }
 101     void DecParseDepth() { --nParseDepth; }
 102 };
 103
 104
 105
 106 #endif
 107
 108 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */