concordia-library/concordia-console/concordia-console.cpp
rjawor 76bb26f45f full tests
Former-commit-id: b6d1e4521fb9fba7170ab5a77ade5ec3c71b8f4b
2013-12-06 23:50:58 +01:00

171 lines
7.7 KiB
C++

#include <iostream>
#include <fstream>
#include <boost/program_options.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include "concordia/concordia.hpp"
#include "concordia/common/config.hpp"
#include "concordia/common/utils.hpp"
#include "build/libdivsufsort/include/divsufsort.h"
#define READ_BUFFER_LENGTH 10000
namespace po = boost::program_options;
int main(int argc, char** argv) {
po::options_description desc("Allowed options");
desc.add_options()
("help,h", "Display this message")
("config,c", boost::program_options::value<std::string>(),
"Concordia configuration file (required)")
("generate-index,g", "Generate suffix array based index out of "
"added sentences")
("simple-search,s", boost::program_options::value<std::string>(),
"Pattern to be searched in the index")
("silent,n", "While searching, do not output search results")
("read-file,r", boost::program_options::value<std::string>(),
"File to be read and added to index");
po::variables_map cli;
po::store(po::parse_command_line(argc, argv, desc), cli);
po::notify(cli);
if (cli.count("help")) {
std::cerr << desc << std::endl;
return 1;
}
std::string configFile;
if (cli.count("config")) {
configFile = cli["config"].as<std::string>();
} else {
std::cerr << "No Concordia configuration file given. Terminating."
<< std::endl;
return 1;
}
try {
Concordia concordia(configFile);
std::cout << "Welcome to Concordia. Version = "
<< concordia.getVersion() << std::endl;
if (cli.count("generate-index")) {
std::cout << "\tGenerating index..." << std::endl;
boost::posix_time::ptime time_start =
boost::posix_time::microsec_clock::local_time();
concordia.generateIndex();
boost::posix_time::ptime time_end =
boost::posix_time::microsec_clock::local_time();
boost::posix_time::time_duration msdiff = time_end - time_start;
std::cout << "\tIndex generated in: " <<
msdiff.total_milliseconds() << "ms." << std::endl;
} else if (cli.count("simple-search")) {
std::cout << "\tLoading index..." << std::endl;
boost::posix_time::ptime time_start =
boost::posix_time::microsec_clock::local_time();
concordia.loadIndex();
boost::posix_time::ptime time_end =
boost::posix_time::microsec_clock::local_time();
boost::posix_time::time_duration msdiff = time_end - time_start;
std::cout << "\tIndex loaded in: " <<
msdiff.total_milliseconds() << "ms." << std::endl;
std::string pattern = cli["simple-search"].as<std::string>();
std::cout << "\tSearching for pattern: \"" << pattern <<
"\"" << std::endl;
time_start = boost::posix_time::microsec_clock::local_time();
vector<saidx_t> result = concordia.simpleSearch(pattern);
time_end = boost::posix_time::microsec_clock::local_time();
msdiff = time_end - time_start;
std::cout << "\tFound: " << result.size() << " matches. "
<< "Search took: " <<
msdiff.total_milliseconds() << "ms." << std::endl;
if (!cli.count("silent")) {
for (vector<saidx_t>::iterator it = result.begin();
it != result.end(); ++it) {
std::cout << "\t\tfound match on word number: " << *it
<< std::endl;
}
}
} else if (cli.count("read-file")) {
std::string filePath = cli["read-file"].as<std::string>();
std::cout << "\tReading sentences from file: " << filePath <<
std::endl;
ifstream text_file(filePath.c_str());
std::string line;
if (text_file.is_open()) {
long lineCount = 0;
vector<std::string> buffer;
boost::posix_time::ptime timeStart =
boost::posix_time::microsec_clock::local_time();
while (getline(text_file, line)) {
lineCount++;
buffer.push_back(line);
if (lineCount % READ_BUFFER_LENGTH == 0) {
concordia.addAllSentences(buffer);
buffer.clear();
boost::posix_time::ptime timeEnd =
boost::posix_time::microsec_clock::local_time();
boost::posix_time::time_duration msdiff =
timeEnd - timeStart;
long timeElapsed = msdiff.total_milliseconds();
double speed = static_cast<double>(
1000 * lineCount / timeElapsed);
std::cout << "\tRead and added to index " <<
lineCount << " sentences in " << timeElapsed
<< "ms. Current speed: " << speed <<
" sentences per second" << std::endl;
}
}
if (buffer.size() > 0) {
concordia.addAllSentences(buffer);
}
text_file.close();
boost::posix_time::ptime timeTotalEnd =
boost::posix_time::microsec_clock::local_time();
boost::posix_time::time_duration totalMsdiff =
timeTotalEnd - timeStart;
long totalTimeElapsed = totalMsdiff.total_milliseconds();
double totalSpeed =
static_cast<double>(1000 * lineCount / totalTimeElapsed);
std::cout << "\tReading finished. Read and added to index "
<< lineCount << " sentences in " << totalTimeElapsed <<
"ms. Overall speed: " << totalSpeed <<
" sentences per second" << std::endl;
} else {
std::cerr << "Unable to open file: "<< filePath;
return 1;
}
} else {
std::cerr << "One of the options: generate-index, simple-search, "
<< "read-file must be provided. See the "
"options specification: "
<< std::endl << desc << std::endl;
return 1;
}
std::cout << "Concordia operation completed without errors."
<< std::endl;
} catch(ConcordiaException & e) {
std::cerr << "ConcordiaException caught with message: "
<< std::endl
<< e.what()
<< std::endl
<< "Terminating execution."
<< std::endl;
return 1;
} catch(exception & e) {
std::cerr << "Unexpected exception caught with message: "
<< std::endl
<< e.what()
<< std::endl
<< "Terminating execution."
<< std::endl;
return 1;
}
return 0;
}