starmath/inc/mathml/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 #pragma once
  21
  22 #include <xmloff/xmlimp.hxx>
  23 #include <vcl/errcode.hxx>
  24
  25 #include <deque>
  26
  27 class SmNode;
  28 class SfxMedium;
  29 namespace com::sun::star
  30 {
  31 namespace beans
  32 {
  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 private:
  44     // Use customized entities
  45     bool m_bUseHTMLMLEntities;
  46
  47 public:
  48     explicit SmXMLImportWrapper(css::uno::Reference<css::frame::XModel> const& rRef)
  49         : xModel(rRef)
  50         , m_bUseHTMLMLEntities(false)
  51     {
  52     }
  53
  54     ErrCode Import(SfxMedium& rMedium);
  55     void useHTMLMLEntities(bool bUseHTMLMLEntities) { m_bUseHTMLMLEntities = bUseHTMLMLEntities; }
  56
  57     static ErrCode
  58     ReadThroughComponent(const css::uno::Reference<css::io::XInputStream>& xInputStream,
  59                          const css::uno::Reference<css::lang::XComponent>& xModelComponent,
  60                          css::uno::Reference<css::uno::XComponentContext> const& rxContext,
  61                          css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
  62                          const char* pFilterName, bool bEncrypted, bool bUseHTMLMLEntities);
  63
  64     static ErrCode
  65     ReadThroughComponent(const css::uno::Reference<css::embed::XStorage>& xStorage,
  66                          const css::uno::Reference<css::lang::XComponent>& xModelComponent,
  67                          const char* pStreamName,
  68                          css::uno::Reference<css::uno::XComponentContext> const& rxContext,
  69                          css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
  70                          const char* pFilterName, bool bUseHTMLMLEntities);
  71 };
  72
  73 class SmXMLImport : public SvXMLImport
  74 {
  75     SmNodeStack aNodeStack;
  76     bool bSuccess;
  77     int nParseDepth;
  78     OUString aText;
  79     sal_uInt16 mnSmSyntaxVersion;
  80
  81 public:
  82     SmXMLImport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
  83                 OUString const& implementationName, SvXMLImportFlags nImportFlags);
  84     virtual ~SmXMLImport() noexcept override;
  85
  86     // XUnoTunnel
  87     sal_Int64 SAL_CALL getSomething(const css::uno::Sequence<sal_Int8>& rId) override;
  88     static const css::uno::Sequence<sal_Int8>& getUnoTunnelId() noexcept;
  89
  90     void SAL_CALL endDocument() override;
  91
  92     SvXMLImportContext* CreateFastContext(
  93         sal_Int32 nElement,
  94         const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList) override;
  95
  96     SmNodeStack& GetNodeStack() { return aNodeStack; }
  97
  98     bool GetSuccess() const { return bSuccess; }
  99     [[nodiscard]] const OUString& GetText() const { return aText; }
 100     void SetText(const OUString& rStr) { aText = rStr; }
 101
 102     virtual void
 103     SetViewSettings(const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
 104     virtual void SetConfigurationSettings(
 105         const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
 106
 107     void IncParseDepth() { ++nParseDepth; }
 108     bool TooDeep() const { return nParseDepth >= 2048; }
 109     void DecParseDepth() { --nParseDepth; }
 110     void SetSmSyntaxVersion(sal_uInt16 nSmSyntaxVersion) { mnSmSyntaxVersion = nSmSyntaxVersion; }
 111     sal_uInt16 GetSmSyntaxVersion() const { return mnSmSyntaxVersion; }
 112 };
 113
 114 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */