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diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/XMLNode.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/XMLNode.hpp
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+/*************************************************************************
+** XMLNode.hpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2017 Martin Gieseking <martin.gieseking@uos.de> **
+** **
+** This program is free software; you can redistribute it and/or **
+** modify it under the terms of the GNU General Public License as **
+** published by the Free Software Foundation; either version 3 of **
+** the License, or (at your option) any later version. **
+** **
+** This program is distributed in the hope that it will be useful, but **
+** WITHOUT ANY WARRANTY; without even the implied warranty of **
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
+** GNU General Public License for more details. **
+** **
+** You should have received a copy of the GNU General Public License **
+** along with this program; if not, see <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#ifndef XMLNODE_HPP
+#define XMLNODE_HPP
+
+#include <list>
+#include <map>
+#include <memory>
+#include <ostream>
+#include <string>
+#include <vector>
+
+
+class XMLNode
+{
+ public:
+ virtual ~XMLNode () =default;
+ virtual XMLNode* clone () const =0;
+ virtual void clear () =0;
+ virtual std::ostream& write (std::ostream &os) const =0;
+};
+
+
+class XMLElementNode : public XMLNode
+{
+ public:
+ typedef std::map<std::string,std::string> AttribMap;
+ typedef std::list<std::unique_ptr<XMLNode>> ChildList;
+
+ public:
+ XMLElementNode (const std::string &name);
+ XMLElementNode (const XMLElementNode &node);
+ XMLElementNode* clone () const override {return new XMLElementNode(*this);}
+ void clear () override;
+ void addAttribute (const std::string &name, const std::string &value);
+ void addAttribute (const std::string &name, double value);
+ void append (XMLNode *child);
+ void append (const std::string &str);
+ void prepend (XMLNode *child);
+ void remove (const XMLNode *child);
+ bool insertAfter (XMLNode *child, XMLNode *sibling);
+ bool insertBefore (XMLNode *child, XMLNode *sibling);
+ bool hasAttribute (const std::string &name) const;
+ const char* getAttributeValue (const std::string &name) const;
+ bool getDescendants (const char *name, const char *attrName, std::vector<XMLElementNode*> &descendants) const;
+ XMLElementNode* getFirstDescendant (const char *name, const char *attrName, const char *attrValue) const;
+ std::ostream& write (std::ostream &os) const override;
+ bool empty () const {return _children.empty();}
+ const ChildList& children () const {return _children;}
+ const std::string& getName () const {return _name;}
+
+ private:
+ std::string _name; // element name (<name a1="v1" .. an="vn">...</name>)
+ AttribMap _attributes;
+ ChildList _children; // child nodes
+};
+
+
+class XMLTextNode : public XMLNode
+{
+ public:
+ XMLTextNode (const std::string &str) : _text(str) {}
+ XMLTextNode (std::string &&str) : _text(std::move(str)) {}
+ XMLTextNode* clone () const override {return new XMLTextNode(*this);}
+ void clear () override {_text.clear();}
+ void append (XMLNode *node);
+ void append (XMLTextNode *node);
+ void append (const std::string &str);
+ void prepend (XMLNode *child);
+ std::ostream& write (std::ostream &os) const override {return os << _text;}
+ const std::string& getText () const {return _text;}
+
+ private:
+ std::string _text;
+};
+
+
+class XMLCommentNode : public XMLNode
+{
+ public:
+ XMLCommentNode (const std::string &str) : _text(str) {}
+ XMLCommentNode (std::string &&str) : _text(std::move(str)) {}
+ XMLCommentNode* clone () const override {return new XMLCommentNode(*this);}
+ void clear () override {_text.clear();}
+ std::ostream& write (std::ostream &os) const override {return os << "<!--" << _text << "-->";}
+
+ private:
+ std::string _text;
+};
+
+
+class XMLCDataNode : public XMLNode
+{
+ public:
+ XMLCDataNode () {}
+ XMLCDataNode (const std::string &d) : _data(d) {}
+ XMLCDataNode (std::string &&d) : _data(std::move(d)) {}
+ XMLCDataNode* clone () const override {return new XMLCDataNode(*this);}
+ void clear () override {_data.clear();}
+ void append (std::string &&str);
+ std::ostream& write (std::ostream &os) const override;
+
+ private:
+ std::string _data;
+};
+
+
+inline std::ostream& operator << (std::ostream &os, const XMLElementNode &node) {return node.write(os);}
+inline std::ostream& operator << (std::ostream &os, const XMLTextNode &node) {return node.write(os);}
+inline std::ostream& operator << (std::ostream &os, const XMLCommentNode &node) {return node.write(os);}
+inline std::ostream& operator << (std::ostream &os, const XMLCDataNode &node) {return node.write(os);}
+
+#endif