gtsam/wrap/utilities.cpp

58 lines
1.6 KiB
C++

/**
* file: utilities.ccp
* Author: Frank Dellaert
**/
#include <iostream>
#include <fstream>
#include <boost/date_time/gregorian/gregorian.hpp>
#include "utilities.h"
using namespace std;
using namespace boost::gregorian;
/* ************************************************************************* */
string file_contents(const string& filename, bool skipheader) {
ifstream ifs(filename.c_str());
if(!ifs) throw CantOpenFile(filename);
// read file into stringstream
stringstream ss;
if (skipheader) ifs.ignore(256,'\n');
ss << ifs.rdbuf();
ifs.close();
// return string
return ss.str();
}
/* ************************************************************************* */
bool files_equal(const string& actual, const string& expected, bool skipheader) {
try {
string actual_contents = file_contents(actual, skipheader);
string expected_contents = file_contents(expected);
bool equal = actual_contents == expected_contents;
if (!equal) {
stringstream command;
command << "diff " << actual << " " << expected << endl;
system(command.str().c_str());
}
return equal;
}
catch (const string& reason) {
cerr << "expection: " << reason << endl;
return false;
}
return true;
}
/* ************************************************************************* */
void emit_header_comment(ofstream& ofs, const string& delimiter) {
date today = day_clock::local_day();
ofs << delimiter << " automatically generated by wrap on " << today << endl;
}
/* ************************************************************************* */