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#pragma once
#include <fstream>
#include <string>
#include "OutputFileStream.h"
namespace MosesTraining {
namespace Syntax {
/*! Base class for command-line based tools.
*/
class Tool {
public:
virtual ~Tool() {}
//! Get the name of the tool.
const std::string &name() const { return name_; }
//! Virtual main function to be provided by subclass.
virtual int Main(int argc, char *argv[]) = 0;
protected:
Tool(const std::string &name) : name_(name) {}
//! Returns a boost::program_options style that is consistent with other
//! Moses tools (extract-rules, score, etc.).
static int MosesOptionStyle();
//! Write a formatted warning message to standard error.
void Warn(const std::string &) const;
//! Write a formatted error message to standard error and call exit(1).
void Error(const std::string &msg) const;
//! Opens the named input file using the supplied ifstream. Calls Error() if
//! the file cannot be opened for reading.
void OpenInputFileOrDie(const std::string &, std::ifstream &);
//! Opens the named output file using the supplied ofstream. Calls Error() if
//! the file cannot be opened for writing.
void OpenOutputFileOrDie(const std::string &, std::ofstream &);
//! Opens the named output file using the supplied OutputFileStream. Calls
//! Error() if the file cannot be opened for writing.
void OpenOutputFileOrDie(const std::string &, Moses::OutputFileStream &);
private:
std::string name_;
};
} // namespace Syntax
} // namespace MosesTraining
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