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main.cpp
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main.cpp
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/**
* \file main.c
*
* \brief Main function for testing the treebank-parser.
*
* \author Damir Cavar <dcavar@iu.edu>
*
* \version 0.2
*
* \date 2018/10/12 14:08:00
*
* \date Created on: Mon September 10 16:20:00 2016
*
* \copyright Copyright 2016-2018 by Damir Cavar
*
* \license{Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.}
*
* \note This needs some more specification specification and optimization.
*
* \bug None
*/
#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <vector>
#include <algorithm>
#include <map>
#include <cassert>
#include <boost/program_options.hpp>
#include <boost/algorithm/string.hpp>
#include "treebankparser.h"
using namespace std;
namespace po = boost::program_options;
namespace {
const size_t ERROR_IN_COMMAND_LINE = 1;
const size_t SUCCESS = 0;
const size_t ERROR_UNHANDLED_EXCEPTION = 3;
} // namespace
const char _prog_fullname[] = "Probabilistic Grammar Parser";
const char _prog_name[] = "pcfgparser";
const int _version_major = 0;
const int _version_minor = 2;
/*! \fn void usage( )
\brief Print out the usage.
Prints out the copyright without option descriptions.
*/
void usage() {
cout << "Usage: treebankparser [TREEBANK_FILES]..." << endl << endl
<< "For help:" << endl << "treebankparser --help" << endl << endl
<< "(C) 2016-2018 by Damir Cavar <dcavar@iu.edu>" << endl
<< " Apache License, Version 2.0" << endl << endl;
}
void usage(po::options_description const &desc) {
usage();
cout << desc << endl;
}
int main(int argc, char *argv[]) {
bool quiet = false;
vector<string> processfiles;
TreebankParser myTP;
try {
po::options_description desc("treebankparser options");
desc.add_options()
("help,h", "produce help message")
("absolute,a", "return absolute counts")
("relative,r", "return relative counts or probabilities for rules")
("symbolcounts,s", "return relative counts or probabilities for rules")
("skipterminalrules,t", "do not write out terminal rules")
("rootsymbol,y", po::value<string>(), "symbol for empty tree roots")
("grammar,g", po::value<string>(), "use grammar")
("quiet,q", "Quiet operations")
("version,v", "Print version information")
("input-files", po::value<vector<string>>(), "Sentences");
po::positional_options_description p;
p.add("input-files", -1);
po::variables_map vm;
po::store(po::command_line_parser(argc, (const char *const *) argv).options(desc).positional(p).run(), vm);
po::notify(vm);
if (vm.count("help")) {
usage(desc);
return SUCCESS;
}
if (vm.count("quiet")) {
quiet = true;
}
if (vm.count("version")) {
cout << _prog_fullname << " (" << _prog_name << ") " << _version_major << "." << _version_minor << endl;
}
if (vm.count("absolute")) {
// Use relative rule counts for probabilities (default)
myTP.relcounts = false;
}
if (vm.count("relative")) {
// Use relative rule counts for probabilities (default)
myTP.relcounts = true;
}
if (vm.count("symbolcounts")) {
// Use symbol counts for probabilities
myTP.symbolcounts = true;
}
if (vm.count("rootsymbol")) {
myTP.rootsymbol = vm["rootsymbol"].as<string>();
}
if (vm.count("skipterminalrules")) {
myTP.skipterminals = true;
}
if (vm.count("grammar")) {
myTP.grammarfile = vm["grammar"].as<string>();
if (!quiet)
cout << "Load grammar: " << myTP.grammarfile << endl;
}
if (vm.count("input-files")) {
processfiles = vector<string>(vm["input-files"].as<vector<string>>());
}
} catch (exception &e) { // Catch command line error
string message = e.what();
if (!message.empty()) {
cerr << "Error: " << message << endl;
}
usage();
return ERROR_IN_COMMAND_LINE;
} catch (...) { // catch any other error
cerr << "Unknown error!" << endl;
return ERROR_UNHANDLED_EXCEPTION;
}
if (!processfiles.empty()) {
if (!myTP.grammarfile.empty()) // load grammar
myTP.loadGrammar(myTP.grammarfile);
myTP.processFiles(processfiles); // process files one by one
if (!myTP.grammarfile.empty()) {
myTP.saveToFile(myTP.grammarfile);
} else {
myTP.printToStdout();
}
} else {
usage();
}
return SUCCESS;
} // main