relpipe-out-tabular.cpp
author František Kučera <franta-hg@frantovo.cz>
Sun, 09 Sep 2018 02:00:00 +0200
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child 9 86d69cfbacc9
permissions -rw-r--r--
tabular handler, based on the prototype code
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#include <cstdlib>
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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 "src/TabularPrefetchingHandler.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::tabular;
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int main(int argc, char** argv) {
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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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		// if (cli.arguments().size() > 0) {
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		// const wstring commandName = cli.arguments()[0];
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		// vector<wstring> arguments(cli.arguments().size() - 1);
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		// for (int i = 1; i < cli.arguments().size(); i++) {
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		//	arguments[i - 1] = cli.arguments()[i];
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		// }
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		std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));
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		TabularPrefetchingHandler 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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		// } else {
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		//	throw RelpipeCLIException(L"Missing command…", CLI::EXIT_CODE_BAD_SYNTAX);
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		// }
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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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}