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136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/serialisation/XmlIO.h
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Copyright (C) 2015
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Author: Antonin Portelli <antonin.portelli@me.com>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: paboyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef GRID_SERIALISATION_XML_READER_H
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#define GRID_SERIALISATION_XML_READER_H
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <sstream>
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#include <math.h>
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#include <vector>
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#include <cassert>
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#include <Grid/pugixml/pugixml.h>
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namespace Grid
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{
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class XmlWriter: public Writer<XmlWriter>
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{
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public:
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XmlWriter(const std::string &fileName);
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virtual ~XmlWriter(void);
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void push(const std::string &s);
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void pop(void);
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template <typename U>
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void writeDefault(const std::string &s, const U &x);
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template <typename U>
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void writeDefault(const std::string &s, const std::vector<U> &x);
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private:
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pugi::xml_document doc_;
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pugi::xml_node node_;
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std::string fileName_;
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};
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class XmlReader: public Reader<XmlReader>
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{
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public:
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XmlReader(const std::string &fileName);
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virtual ~XmlReader(void) = default;
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void push(const std::string &s);
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void pop(void);
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bool nextElement(const std::string &s);
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template <typename U>
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void readDefault(const std::string &s, U &output);
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template <typename U>
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void readDefault(const std::string &s, std::vector<U> &output);
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private:
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pugi::xml_document doc_;
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pugi::xml_node node_;
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std::string fileName_;
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};
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// Writer template implementation ////////////////////////////////////////////
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template <typename U>
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void XmlWriter::writeDefault(const std::string &s, const U &x)
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{
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std::ostringstream os;
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os << std::boolalpha << x;
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pugi::xml_node leaf = node_.append_child(s.c_str());
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leaf.append_child(pugi::node_pcdata).set_value(os.str().c_str());
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}
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template <typename U>
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void XmlWriter::writeDefault(const std::string &s, const std::vector<U> &x)
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{
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push(s);
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for (auto &x_i: x)
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{
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write("elem", x_i);
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}
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pop();
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}
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// Reader template implementation ////////////////////////////////////////////
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template <typename U>
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void XmlReader::readDefault(const std::string &s, U &output)
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{
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std::string buf;
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readDefault(s, buf);
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fromString(output, buf);
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}
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template <>
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void XmlReader::readDefault(const std::string &s, std::string &output);
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template <typename U>
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void XmlReader::readDefault(const std::string &s, std::vector<U> &output)
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{
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std::string buf;
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unsigned int i = 0;
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push(s);
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while (node_.child("elem"))
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{
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output.resize(i + 1);
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read("elem", output[i]);
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node_.child("elem").set_name("elem-done");
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i++;
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}
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pop();
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}
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}
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#endif
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