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 <utility>
  23 #include <xmloff/xmlimp.hxx>
  24 #include <comphelper/errcode.hxx>
  25
  26 #include <deque>
  27
  28 class SmNode;
  29 class SfxMedium;
  30 namespace com::sun::star
  31 {
  32 namespace beans
  33 {
  34 class XPropertySet;
  35 }
  36 }
  37 class SmModel;
  38
  39 typedef std::deque<std::unique_ptr<SmNode>> SmNodeStack;
  40
  41 class SmXMLImportWrapper
  42 {
  43     rtl::Reference<SmModel> m_xModel;
  44
  45 private:
  46     // Use customized entities
  47     bool m_bUseHTMLMLEntities;
  48
  49 public:
  50     explicit SmXMLImportWrapper(rtl::Reference<SmModel> xRef)
  51         : m_xModel(std::move(xRef))
  52         , m_bUseHTMLMLEntities(false)
  53     {
  54     }
  55
  56     ErrCode Import(SfxMedium& rMedium);
  57     void useHTMLMLEntities(bool bUseHTMLMLEntities) { m_bUseHTMLMLEntities = bUseHTMLMLEntities; }
  58
  59     static ErrCode
  60     ReadThroughComponent(const css::uno::Reference<css::io::XInputStream>& xInputStream,
  61                          const css::uno::Reference<css::lang::XComponent>& xModelComponent,
  62                          css::uno::Reference<css::uno::XComponentContext> const& rxContext,
  63                          css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
  64                          const char* pFilterName, bool bEncrypted, bool bUseHTMLMLEntities);
  65
  66     static ErrCode
  67     ReadThroughComponent(const css::uno::Reference<css::embed::XStorage>& xStorage,
  68                          const css::uno::Reference<css::lang::XComponent>& xModelComponent,
  69                          const char* pStreamName,
  70                          css::uno::Reference<css::uno::XComponentContext> const& rxContext,
  71                          css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
  72                          const char* pFilterName, bool bUseHTMLMLEntities);
  73 };
  74
  75 class SmXMLImport final : public SvXMLImport
  76 {
  77     SmNodeStack aNodeStack;
  78     bool bSuccess;
  79     int nParseDepth;
  80     OUString aText;
  81     sal_Int16 mnSmSyntaxVersion;
  82
  83 public:
  84     SmXMLImport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
  85                 OUString const& implementationName, SvXMLImportFlags nImportFlags);
  86     virtual ~SmXMLImport() noexcept override;
  87
  88     void SAL_CALL endDocument() override;
  89
  90     SvXMLImportContext* CreateFastContext(
  91         sal_Int32 nElement,
  92         const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList) override;
  93
  94     SmNodeStack& GetNodeStack() { return aNodeStack; }
  95
  96     bool GetSuccess() const { return bSuccess; }
  97     [[nodiscard]] const OUString& GetText() const { return aText; }
  98     void SetText(const OUString& rStr) { aText = rStr; }
  99
 100     virtual void
 101     SetViewSettings(const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
 102     virtual void SetConfigurationSettings(
 103         const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
 104
 105     void IncParseDepth() { ++nParseDepth; }
 106     bool TooDeep() const { return nParseDepth >= 2048; }
 107     void DecParseDepth() { --nParseDepth; }
 108     void SetSmSyntaxVersion(sal_Int16 nSmSyntaxVersion) { mnSmSyntaxVersion = nSmSyntaxVersion; }
 109     sal_Int16 GetSmSyntaxVersion() const { return mnSmSyntaxVersion; }
 110 };
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */