starmath/inc/mathml/import.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   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
  10 #pragma once
  11
  12 // Our mathml
  13 #include "element.hxx"
  14
  15 // XML tools
  16 #include <utility>
  17 #include <comphelper/errcode.hxx>
  18 #include <xmloff/xmlimp.hxx>
  19
  20 // Extras
  21
  22 class SfxMedium;
  23 class SmDocShell;
  24 class SmMLImport;
  25 class SmModel;
  26
  27 class SmMLImportWrapper
  28 {
  29     rtl::Reference<SmModel> m_xModel;
  30     SmDocShell* m_pDocShell;
  31     SmMLImport* m_pMlImport;
  32
  33 private:
  34     // Use customized entities
  35
  36 public:
  37     /** Get the element tree when parsed from text
  38     */
  39     SmMlElement* getElementTree();
  40
  41 public:
  42     /** Constructor
  43      */
  44     explicit SmMLImportWrapper(rtl::Reference<SmModel> xRef)
  45         : m_xModel(std::move(xRef))
  46         , m_pDocShell(nullptr)
  47         , m_pMlImport(nullptr)
  48     {
  49     }
  50
  51     /** Imports the mathml
  52     */
  53     ErrCode Import(SfxMedium& rMedium);
  54
  55     /** Imports the mathml
  56     */
  57     ErrCode Import(std::u16string_view aSource);
  58
  59     /** read a component from input stream
  60      */
  61     ErrCode
  62     ReadThroughComponentIS(const css::uno::Reference<css::io::XInputStream>& xInputStream,
  63                            const css::uno::Reference<css::lang::XComponent>& xModelComponent,
  64                            css::uno::Reference<css::uno::XComponentContext> const& rxContext,
  65                            css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
  66                            const char16_t* pFilterName, bool bEncrypted,
  67                            int_fast16_t nSyntaxVersion);
  68
  69     /** read a component from storage
  70      */
  71     ErrCode ReadThroughComponentS(const css::uno::Reference<css::embed::XStorage>& xStorage,
  72                                   const css::uno::Reference<css::lang::XComponent>& xModelComponent,
  73                                   const char16_t* pStreamName,
  74                                   css::uno::Reference<css::uno::XComponentContext> const& rxContext,
  75                                   css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
  76                                   const char16_t* pFilterName, int_fast16_t nSyntaxVersion);
  77
  78     /** read a component from text
  79      */
  80     ErrCode
  81     ReadThroughComponentMS(std::u16string_view aText,
  82                            const css::uno::Reference<css::lang::XComponent>& xModelComponent,
  83                            css::uno::Reference<css::uno::XComponentContext> const& rxContext,
  84                            css::uno::Reference<css::beans::XPropertySet> const& rPropSet);
  85 };
  86
  87 class SmMLImport final : public SvXMLImport
  88 {
  89 private:
  90     SmMlElement* m_pElementTree = new SmMlElement(SmMlElementType::NMlEmpty);
  91     bool m_bSuccess;
  92     size_t m_nSmSyntaxVersion;
  93
  94 public:
  95     /** Gets parsed element tree
  96     */
  97     SmMlElement* getElementTree() { return m_pElementTree; }
  98
  99     /** Checks out if parse was a success
 100      */
 101     bool getSuccess() const { return m_bSuccess; }
 102
 103 public:
 104     /** Handles an error on the mathml structure
 105      */
 106     void declareMlError();
 107
 108 public:
 109     /** Constructor
 110     */
 111     SmMLImport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
 112                OUString const& implementationName, SvXMLImportFlags nImportFlags);
 113
 114     /** Destructor
 115     */
 116     virtual ~SmMLImport() noexcept override { cleanup(); };
 117
 118 public:
 119     /** End the document
 120     */
 121     void SAL_CALL endDocument() override;
 122
 123     /** Create a fast context
 124     */
 125     SvXMLImportContext* CreateFastContext(
 126         sal_Int32 nElement,
 127         const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList) override;
 128
 129     /** Imports view settings formula
 130     */
 131     virtual void
 132     SetViewSettings(const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
 133
 134     /** Imports configurations settings formula
 135     */
 136     virtual void SetConfigurationSettings(
 137         const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
 138
 139     /** Set syntax version
 140     */
 141     void SetSmSyntaxVersion(sal_Int16 nSmSyntaxVersion) { m_nSmSyntaxVersion = nSmSyntaxVersion; }
 142
 143     /** Get syntax version
 144     */
 145     sal_Int16 GetSmSyntaxVersion() const { return m_nSmSyntaxVersion; }
 146 };
 147
 148 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */