/**
* Relational pipes
* Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info)
*
* 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, version 3.
*
* 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/>.
*/
#include <cstdio>
#include <cstdlib>
#include <memory>
#include <functional>
#include <regex>
#include <relpipe/cli/CLI.h>
#include <relpipe/cli/RelpipeCLIException.h>
#include <relpipe/reader/Factory.h>
#include <relpipe/reader/RelationalReader.h>
#include <relpipe/reader/RelpipeReaderException.h>
#include <relpipe/writer/RelationalWriter.h>
#include <relpipe/writer/RelpipeWriterException.h>
#include <relpipe/writer/Factory.h>
#include <relpipe/writer/TypeId.h>
#include "SqlHandler.h"
#include "CLIParser.h"
#include "Configuration.h"
#include "DriverManager.h"
using namespace relpipe::cli;
using namespace relpipe::reader;
using namespace relpipe::tr::sql;
int main(int argc, char**argv) {
setlocale(LC_ALL, "");
CLI::untieStdIO();
CLI cli(argc, argv);
int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
try {
CLIParser cliParser;
Configuration configuration = cliParser.parse(cli.arguments());
std::shared_ptr<DriverManager> driverManager = std::make_shared<DriverManager>();
std::shared_ptr<writer::RelationalWriter> writer(writer::Factory::create(std::cout));
if (configuration.listDataSources) {
// --list-data-sources:
SqlHandler::listDataSources(writer.get(), driverManager.get());
} else if (std::regex_match(cli.programName(), std::wregex(L"^(.*/)?relpipe-in-sql$"))) {
// relpipe-in-sql:
if (cli.arguments().size() == 0) configuration.copyRelations.push_back({L".*", L"", false});
configuration.sqlBeforeRelational = isatty(fileno(stdin)) ? nullptr : &std::wcin;
configuration.sqlAfterRelational = nullptr;
SqlHandler handler(writer.get(), driverManager.get(), configuration);
handler.endOfPipe();
} else {
// relpipe-tr-sql:
std::shared_ptr<reader::RelationalReader> reader(reader::Factory::create(std::cin));
SqlHandler handler(writer.get(), driverManager.get(), configuration);
reader->addHandler(&handler);
reader->process();
}
resultCode = CLI::EXIT_CODE_SUCCESS;
} catch (RelpipeCLIException& e) {
fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessge().c_str());
fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
resultCode = e.getExitCode();
} catch (SqlException& e) {
fwprintf(stderr, L"Caught SQL exception: %ls\n", e.getMessage().c_str());
for (SqlException::SqlDiagnosticsRecord dr : e.getDiagnostics()) {
fwprintf(stderr, L"\tstate: %ls, code: %d, message: %ls\n", dr.sqlState.c_str(), dr.sqlCode, dr.message.c_str());
}
fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
} catch (RelpipeReaderException& e) {
fwprintf(stderr, L"Caught Reader exception: %ls\n", e.getMessge().c_str());
fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
resultCode = CLI::EXIT_CODE_DATA_ERROR;
}
return resultCode;
}