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/*
Ousía
Copyright (C) 2014 Benjamin Paaßen, Andreas Stöckel
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/>.
*/
/**
* @file Main.cpp
*
* This file provides the command line interface for Ousia. More information
* on command line options can be found in the test.
*
* @author Benjamin Paaßen (bpaassen@techfak.uni-bielefeld.de)
*/
#include <algorithm>
#include <iostream>
#include <boost/program_options.hpp>
#include <core/Registry.hpp>
#include <core/common/Rtti.hpp>
#include <core/frontend/TerminalLogger.hpp>
#include <core/managed/Manager.hpp>
#include <core/model/Document.hpp>
#include <core/model/Domain.hpp>
#include <core/model/Project.hpp>
#include <core/model/Typesystem.hpp>
#include <plugins/filesystem/FileLocator.hpp>
#include <plugins/xml/XmlParser.hpp>
const size_t ERROR_IN_COMMAND_LINE = 1;
const size_t SUCCESS = 0;
const size_t ERROR_UNHANDLED_EXCEPTION = 2;
namespace po = boost::program_options;
namespace o = ousia;
int main(int argc, char **argv)
{
// Program options
po::options_description desc(
"Program usage\n./ousia [optional options] <-F format> <input path>\nProgram options");
std::string inputPath;
std::string outputPath;
std::string format;
/*
* This is a rather strange access mechanism: add_options() returns an
* easy_init object that has overloaded the () operator to accept new
* initializations. Again: Rather strange syntax, but it works.
*/
desc.add_options()("help", "Program help")(
"input,i", po::value<std::string>(&inputPath)->required(),
"The input document file name")(
"include,I", po::value<std::vector<std::string>>(),
"Include paths, where resources like the input document "
"or additional domains, typesystems, etc. might be "
"found.")(
"output,o", po::value<std::string>(&outputPath),
"The output file name. Per default the input file name will be used.")(
"format,F", po::value<std::string>(&format)->required(),
"The output format that shall be produced.");
// "input" should be a positional option, such that we can write:
// ./ousia [some options] <my input file>
// without having to use -i or I
po::positional_options_description positional;
positional.add("input", 1);
po::variables_map vm;
try {
// try to read the values for each option to the variable map.
po::store(po::command_line_parser(argc, argv)
.options(desc)
.positional(positional)
.run(),
vm);
// first check the help option.
if (vm.count("help")) {
std::cout
<< "Ousia" << std::endl
<< "Copyright (C) 2014 Benjamin Paassen, Andreas Stoeckel"
// write the program options description as generated by boost
<< std::endl << desc << std::endl << std::endl;
return SUCCESS;
}
// only if the user did not want help to we use notify, which checks
// if all required options were given.
po::notify(vm);
}
catch (po::error &e) {
std::cerr << "ERROR: " << e.what() << std::endl << std::endl;
std::cerr << desc << std::endl;
return ERROR_IN_COMMAND_LINE;
}
// prepare output path
if (!vm.count("output")) {
outputPath = inputPath;
auto pos = outputPath.find_last_of('.');
if (pos != std::string::npos) {
outputPath.erase(outputPath.begin() + pos + 1, outputPath.end());
outputPath += format;
std::cout << "Using " << outputPath << " as output path."
<< std::endl;
}
}
// TODO: REMOVE diagnostic code.
std::cout << "input : " << vm["input"].as<std::string>() << std::endl;
std::cout << "output : " << outputPath << std::endl;
std::cout << "format : " << vm["format"].as<std::string>() << std::endl;
if (vm.count("include")) {
std::vector<std::string> includes =
vm["include"].as<std::vector<std::string>>();
std::cout << "includes : ";
for (auto &i : includes) {
std::cout << i << ", ";
}
std::cout << std::endl;
}
// initialize global instances.
o::TerminalLogger logger{std::cerr, true};
o::Manager manager;
o::Registry registry;
o::Rooted<o::Project> project{new o::Project(manager)};
o::FileLocator fileLocator;
// fill registry
registry.registerDefaultExtensions();
o::XmlParser xmlParser;
registry.registerParser(
{"text/vnd.ousia.oxm", "text/vnd.ousia.oxd"},
// TODO: Why don't we have domains here?
{&o::RttiTypes::Document, &o::RttiTypes::Typesystem}, &xmlParser);
registry.registerResourceLocator(&fileLocator);
// register search paths
fileLocator.addDefaultSearchPaths();
// in user includes we allow every kind of resource.
if (vm.count("include")) {
std::vector<std::string> includes =
vm["include"].as<std::vector<std::string>>();
for (auto &i : includes) {
fileLocator.addSearchPath(i, o::ResourceType::UNKNOWN);
fileLocator.addSearchPath(i, o::ResourceType::DOMAIN_DESC);
fileLocator.addSearchPath(i, o::ResourceType::TYPESYSTEM);
fileLocator.addSearchPath(i, o::ResourceType::DOCUMENT);
fileLocator.addSearchPath(i, o::ResourceType::ATTRIBUTES);
fileLocator.addSearchPath(i, o::ResourceType::STYLESHEET);
fileLocator.addSearchPath(i, o::ResourceType::SCRIPT);
fileLocator.addSearchPath(i, o::ResourceType::DATA);
}
}
// now all preparation is done and we can parse. TODO: But how?
return SUCCESS;
}
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