src/relpipe-out-xml.cpp
author František Kučera <franta-hg@frantovo.cz>
Wed, 19 Dec 2018 23:10:19 +0100
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builds with cmake 3.7.2 (e.g. on Debian GNU/Linux 9.6)
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/**
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 * Relational pipes
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 * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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 */
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#include <cstdlib>
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#include <unistd.h>
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#include <memory>
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#include <relpipe/cli/CLI.h>
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#include <relpipe/cli/RelpipeCLIException.h>
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#include <relpipe/reader/Factory.h>
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#include <relpipe/reader/RelationalReader.h>
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#include <relpipe/reader/RelpipeReaderException.h>
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#include "XmlHandler.h"
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using namespace relpipe::cli;
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using namespace relpipe::reader;
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using namespace relpipe::out::xml;
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int main(int argc, char** argv) {
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	setlocale(LC_ALL, "");
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	CLI::untieStdIO();
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	CLI cli(argc, argv);
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	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
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	try {
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		// TODO: color syntax highlighting if stdout is TTY:
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		// if (isatty(fileno(stdout))) std::cout << "color" << std::endl;
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		// else std::cout << "no-color" << std::endl;
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		std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));
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		XmlHandler handler(std::cout);
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		reader->addHandler(&handler);
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		reader->process();
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		resultCode = CLI::EXIT_CODE_SUCCESS;
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	} catch (RelpipeCLIException e) {
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		fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessge().c_str());
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		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
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		resultCode = e.getExitCode();
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	} catch (RelpipeReaderException e) {
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		fwprintf(stderr, L"Caught Reader exception: %ls\n", e.getMessge().c_str());
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		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
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		resultCode = CLI::EXIT_CODE_DATA_ERROR;
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	}
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	return resultCode;
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}