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/*
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/>.
*/
/*
* OutputData.hpp
*
* Created on: Sep 7, 2009
* Author: caa
*/
#ifndef OUTPUTDATA_HPP_
#define OUTPUTDATA_HPP_
#include <vector>
#include "StringHash.hpp"
#include <string>
#include <iostream>
#include <boost/foreach.hpp>
using namespace std;
using namespace boost;
class OutputData
{
friend class Line;
public:
OutputData(ostream &_out) { out = &_out; numLines=0;};
OutputData(ostream & _out, const vector<string> & _columnLabels)
{
out=&_out;
BOOST_FOREACH(string label, _columnLabels) (*this)(label);
numLines=0;
}
OutputData & operator() (const string & label)
{
HashIt it=labelToColumn.find(label);
if (it!=labelToColumn.end()) throw string("Duplicate label ").append(label);
labelToColumn[label]=int(labels.size());
labels.push_back(label);
return *this;
}
string headerString() const
{
stringstream out;
if (labels.size()>0) {
out << labels[0];
for (size_t x=1;x<labels.size();x++) out << " " << labels[x];
}
return out.str();
}
template<class T> void outputLine(T x)
{
*out << x << endl;
}
class Line
{
public:
Line(const OutputData & od) : lineData(od.labelToColumn.size(),"NA")
{
labelToColumnPtr = & od.labelToColumn;
}
string get(const string & columnLabel) const
{
string_hash<int>::const_iterator it=labelToColumnPtr->find(columnLabel);
if (it != labelToColumnPtr->end()) {
return lineData[it->second];
} else throw string("Column label ").append(columnLabel).append(" not found!");
}
template<class T> Line & set(const string & columnLabel, T x)
{
string_hash<int>::const_iterator it=labelToColumnPtr->find(columnLabel);
if (it != labelToColumnPtr->end()) {
stringstream os;
os << x;
lineData[it->second]=os.str();
} else throw string("Column label ").append(columnLabel).append(" not found!");
return *this;
}
string toString() const
{
stringstream out;
if (lineData.size()>0) {
out << lineData[0];
for (size_t x=1;x<lineData.size();x++) out << " " << lineData[x];
}
return out.str();
}
vector<string> lineData;
protected:
const string_hash<int> *labelToColumnPtr;
};
void output(const OutputData::Line & line)
{
numLines++;
*out << line.toString() << endl;
}
ostream *out;
protected:
typedef string_hash<int>::iterator HashIt;
string_hash<int> labelToColumn;
vector<string> labels;
int numLines;
};
#endif /* OUTPUTDATA_HPP_ */
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