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/* ----------------------------------------------------------------------- *
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* This file is part of GEL, http://www.imm.dtu.dk/GEL
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* Copyright (C) the authors and DTU Informatics
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* For license and list of authors, see ../../doc/intro.pdf
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* ----------------------------------------------------------------------- */
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/**
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* @file XmlParser.h
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* @brief Simple XML parser.
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*/
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#ifndef __UTIL_XMLPARSER_H
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#define __UTIL_XMLPARSER_H
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <list>
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#include <map>
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namespace Util
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{
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struct XmlHead
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{
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XmlHead() : is_xml(false) { }
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bool is_xml;
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std::map<std::string, std::string> atts;
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};
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struct XmlBody;
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class XmlDoc;
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struct XmlElement
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{
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XmlElement(XmlDoc* in_doc, XmlElement* parent_elem) : body(0), doc(in_doc), parent(parent_elem) { }
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XmlElement(XmlDoc* in_doc) : body(0), doc(in_doc), parent(0) { }
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~XmlElement();
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void process_elements();
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std::string name;
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std::map<std::string, std::string> atts;
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XmlBody* body;
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XmlDoc* doc;
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XmlElement* parent;
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};
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struct XmlBody
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{
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XmlBody(XmlDoc* parent) : element(parent), doc(parent) { }
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void process_element();
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std::string text;
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XmlElement element;
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XmlDoc* doc;
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};
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typedef void (*XmlElementHandler)(XmlElement&);
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class XmlDoc
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{
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public:
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XmlDoc(const char* filename);
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bool is_valid() const { return head.is_xml; }
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void add_handler(const std::string& element_name, const XmlElementHandler& h) { handlers[element_name] = h; }
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void process_elements();
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void close() { infile.close(); }
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XmlHead head;
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private:
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friend struct XmlElement;
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friend struct XmlBody;
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std::ifstream infile;
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XmlBody body;
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std::map<std::string, XmlElementHandler> handlers;
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};
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std::ostream& operator<<(std::ostream& out, const XmlHead& head);
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}
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#endif // XMLPARSER_H
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