svgio/inc/svgdocument.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.
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   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_SVGIO_INC_SVGDOCUMENT_HXX
  21 #define INCLUDED_SVGIO_INC_SVGDOCUMENT_HXX
  22
  23 #include "svgnode.hxx"
  24 #include <memory>
  25 #include <unordered_map>
  26 #include <vector>
  27
  28 namespace svgio::svgreader
  29     {
  30         typedef std::vector< std::unique_ptr<SvgNode> > SvgNodeVector;
  31
  32         class SvgDocument
  33         {
  34         private:
  35             /// the document hierarchy with all root nodes
  36             SvgNodeVector           maNodes;
  37
  38             /// the absolute path of the Svg file in progress (if available)
  39             const OUString     maAbsolutePath;
  40
  41             /// hash mapper to find nodes by their id
  42             typedef std::unordered_map< OUString, const SvgNode* > IdTokenMapper;
  43             IdTokenMapper           maIdTokenMapperList;
  44
  45             /// hash mapper to find css styles by their id
  46             typedef std::unordered_map< OUString, const SvgStyleAttributes* > IdStyleTokenMapper;
  47             IdStyleTokenMapper      maIdStyleTokenMapperList;
  48
  49         public:
  50             explicit SvgDocument(const OUString& rAbsolutePath);
  51             ~SvgDocument();
  52
  53             SvgDocument(const SvgDocument&) = delete;
  54             SvgDocument& operator=(const SvgDocument&) = delete;
  55
  56             /// append another root node, ownership changes
  57             void appendNode(std::unique_ptr<SvgNode> pNode);
  58
  59             /// add/remove nodes with Id to mapper
  60             void addSvgNodeToMapper(const OUString& rStr, const SvgNode& rNode);
  61             void removeSvgNodeFromMapper(const OUString& rStr);
  62
  63             /// find a node by its Id
  64             const SvgNode* findSvgNodeById(const OUString& rStr) const;
  65
  66             /// add/remove styles to mapper
  67             void addSvgStyleAttributesToMapper(const OUString& rStr, const SvgStyleAttributes& rSvgStyleAttributes);
  68
  69             /// find a style by its Id
  70             bool hasGlobalCssStyleAttributes() const { return !maIdStyleTokenMapperList.empty(); }
  71             const SvgStyleAttributes* findGlobalCssStyleAttributes(const OUString& rStr) const;
  72
  73             /// data read access
  74             const SvgNodeVector& getSvgNodeVector() const { return maNodes; }
  75             const OUString& getAbsolutePath() const { return maAbsolutePath; }
  76         };
  77
  78 } // end of namespace svgio::svgreader
  79
  80 #endif // INCLUDED_SVGIO_INC_SVGDOCUMENT_HXX
  81
  82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */