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export.hxx


products/Sources/formale Sprachen/C/LibreOffice/starmath/inc/mathml/export.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #pragma once // Our mathml #include "element.hxx" // Xml tools #include #include #include #include // Extras #include class SfxMedium; class SmDocShell; class SmModel; class SmMLExportWrapper { private: // Model rtl::Reference m_xModel; // Save as a flat document ( mml, fodf ... ) bool m_bFlat; // Use html / mathml entities bool m_bUseHTMLMLEntities; // Mathmml tree to parse SmMlElement* m_pElementTree; // Export xmlns tag bool m_bUseExportTag; public: /** Set's the writer to export to flat document */ void setFlat(bool bFlat) { m_bFlat = bFlat; } /** Checks if the writer is set to export to flat document */ bool getFlat() const { return m_bFlat; } /** Checks the use of HTML / MathML entities such as &infinity; */ void setUseHTMLMLEntities(bool bUseHTMLMLEntities) { m_bUseHTMLMLEntities = bUseHTMLMLEntities; } /** Activates the use of HTML / MathML entities such as &infinity; */ bool getUseHTMLMLEntities() const { return m_bUseHTMLMLEntities; } /** Get's if xmlns field is added */ bool getUseExportTag() const { return m_bUseExportTag; } /** Set's if xmlns field is added */ void setUseExportTag(bool bUseExportTag) { m_bUseExportTag = bUseExportTag; } public: explicit SmMLExportWrapper(rtl::Reference xRef) : m_xModel(std::move(xRef)) , m_bFlat(true) , m_bUseHTMLMLEntities(false) , m_pElementTree(nullptr) , m_bUseExportTag(false) { } /** Export to an archive */ bool Export(SfxMedium& rMedium); /** Just export a mathml tree */ OUString Export(SmMlElement* pElementTree); // Making this protected we can keep it from getting trash as input protected: /** export through an XML exporter component (output stream version) */ bool WriteThroughComponentOS(const css::uno::Reference& xOutputStream, const css::uno::Reference& xComponent, css::uno::Reference const& rxContext, css::uno::Reference const& rPropSet, const char16_t* pComponentName, int_fast16_t nSyntaxVersion); /** export through an XML exporter component (storage version) */ bool WriteThroughComponentS(const css::uno::Reference& xStor, const css::uno::Reference& xComponent, const char16_t* pStreamName, css::uno::Reference const& rxContext, css::uno::Reference const& rPropSet, const char16_t* pComponentName, int_fast16_t nSyntaxVersion); /** export through an XML exporter component (memory stream version) */ OUString WriteThroughComponentMS(const css::uno::Reference& xComponent, css::uno::Reference const& rxContext, css::uno::Reference const& rPropSet); }; class SmMLExport final : public SvXMLExport { private: SmMlElement* m_pElementTree; bool m_bSuccess; bool m_bUseExportTag; public: /** Everything was allright */ bool getSuccess() const { return m_bSuccess; } /** Get's if xmlns field is added */ bool getUseExportTag() const { return m_bUseExportTag; } /** Set's if xmlns field is added */ void setUseExportTag(bool bUseExportTag) { m_bUseExportTag = bUseExportTag; } /** Set's the element tree to be exported. * If it isn't nullptr the this will be exported instead of the document */ void setElementTree(SmMlElement* pElementTree) { m_pElementTree = pElementTree; } private: /** Adds an element */ SvXMLElementExport* createElementExport(xmloff::token::XMLTokenEnum nElement) { // We can't afford to ignore white spaces. They are part of the code. return new SvXMLElementExport(*this, XML_NAMESPACE_MATH, nElement, false, false); } /** Adds an attribute */ void addAttribute(xmloff::token::XMLTokenEnum pAttribute, xmloff::token::XMLTokenEnum pAttributeValue) { AddAttribute(XML_NAMESPACE_MATH, pAttribute, pAttributeValue); } /** Adds an attribute */ void addAttribute(xmloff::token::XMLTokenEnum pAttribute, const OUString& pAttributeValue) { AddAttribute(XML_NAMESPACE_MATH, pAttribute, pAttributeValue); } public: /** Exports an attribute of type "length" */ void exportMlAttributeLength(xmloff::token::XMLTokenEnum pAttribute, const SmLengthValue& aLengthValue); /** Exports attributes of an element */ void exportMlAttributes(const SmMlElement* pMlElement); /** Exports an element and all it's attributes */ SvXMLElementExport* exportMlElement(const SmMlElement* pMlElement); /** Exports an element tree */ void exportMlElementTree(); /** Handles an error on the mathml structure */ void declareMlError(); public: /** Constructor */ SmMLExport(const css::uno::Reference& rContext, OUString const& implementationName, SvXMLExportFlags nExportFlags); private: /** Get's document shell */ SmDocShell* getSmDocShell(); public: /** Exports auto styles * However math doesn't have any */ void ExportAutoStyles_() override {} /** Exports master styles * However math doesn't have any */ void ExportMasterStyles_() override {} /** Exports formula * Handler used from exportDoc */ void ExportContent_() override { exportMlElementTree(); }; /** Exports the document * If m_pElementTree isn't null then exports m_pElementTree */ ErrCode exportDoc(enum ::xmloff::token::XMLTokenEnum eClass = ::xmloff::token::XML_TOKEN_INVALID) override; /** Get's view settings and prepares them to export */ virtual void GetViewSettings(css::uno::Sequence& aProps) override; /** Get's configuration settings and prepares them to export */ virtual void GetConfigurationSettings(css::uno::Sequence& aProps) override; }; /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

                                                                                                                                                                                                                                                                                                                                                                                                     

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