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Grid/lib/serialisation/TextIO.cc

106 lines
2.7 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/serialisation/TextIO.cc
Copyright (C) 2015
Author: Antonin Portelli <antonin.portelli@me.com>
Author: paboyle <paboyle@ph.ed.ac.uk>
Author: Guido Cossu<guido.cossu@ed.ac.uk>
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 2 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Grid/GridCore.h>
using namespace Grid;
#define GRID_TEXT_INDENT 2 //number of spaces for indentation of levels
// Writer implementation ///////////////////////////////////////////////////////
TextWriter::TextWriter(const std::string &fileName)
: file_(fileName, std::ios::out)
{}
void TextWriter::push(const std::string &s)
{
level_++;
};
void TextWriter::pop(void)
{
level_--;
};
void TextWriter::indent(void)
{
for (int i = 0; i < level_; ++i)
for (int t = 0; t < GRID_TEXT_INDENT; t++)
file_ << ' ';
};
// Reader implementation ///////////////////////////////////////////////////////
TextReader::TextReader(const std::string &fileName)
{
file_.open(fileName, std::ios::in);
if (!file_.is_open()) {
std::cout << GridLogMessage << "TextReader: Error opening file " << fileName << std::endl;
exit(1);// write better error handling
}
}
bool TextReader::push(const std::string &s)
{
level_++;
return true;
};
void TextReader::pop(void)
{
level_--;
};
void TextReader::checkIndent(void)
{
char c;
for (int i = 0; i < level_; ++i)
{
bool check = true;
for (int t = 0; t< GRID_TEXT_INDENT; t++){
file_.get(c);
check = check && isspace(c);
}
if (!check)
{
std::cerr << "TextReader: mismatch on level " << level_ << std::endl;
exit(1);
}
}
}
template <>
void TextReader::readDefault(const std::string &s, std::string &output)
{
checkIndent();
output.clear();
getline(file_, output);
}