src/relpipe-tr-cut.cpp
author František Kučera <franta-hg@frantovo.cz>
Sat, 27 Nov 2021 23:15:18 +0100
branchv_0
changeset 29 26ae3dca06af
parent 28 bc15f5471b6a
permissions -rw-r--r--
exception: fix typo: getMessge() → getMessage()
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     1
/**
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     2
 * Relational pipes
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     3
 * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     4
 *
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     5
 * This program is free software: you can redistribute it and/or modify
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     6
 * it under the terms of the GNU General Public License as published by
22
d07ac873cc89 fix license version: GNU GPLv3
František Kučera <franta-hg@frantovo.cz>
parents: 15
diff changeset
     7
 * the Free Software Foundation, version 3 of the License.
0
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     8
 *
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
     9
 * This program is distributed in the hope that it will be useful,
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    12
 * GNU General Public License for more details.
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    13
 *
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    14
 * You should have received a copy of the GNU General Public License
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    15
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    16
 */
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    17
4
fc58054da255 CLI: untieStdIO() to avoid unwanted implicit flush() calls on std::cout → less write() calls
František Kučera <franta-hg@frantovo.cz>
parents: 3
diff changeset
    18
#include <cstdio>
2
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    19
#include <cstdlib>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    20
#include <memory>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    21
0
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    22
#include <relpipe/cli/CLI.h>
2
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    23
#include <relpipe/cli/RelpipeCLIException.h>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    24
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    25
#include <relpipe/reader/Factory.h>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    26
#include <relpipe/reader/RelationalReader.h>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    27
#include <relpipe/reader/RelpipeReaderException.h>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    28
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    29
#include <relpipe/writer/RelationalWriter.h>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    30
#include <relpipe/writer/RelpipeWriterException.h>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    31
#include <relpipe/writer/Factory.h>
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    32
#include <relpipe/writer/TypeId.h>
0
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    33
28
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    34
#include "Configuration.h"
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    35
#include "CLIParser.h"
9
f06781a5071b project skeleton
František Kučera <franta-hg@frantovo.cz>
parents: 8
diff changeset
    36
#include "CutHandler.h"
3
8731263d44f1 PassthroughHandler (string-based version)
František Kučera <franta-hg@frantovo.cz>
parents: 2
diff changeset
    37
0
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    38
using namespace relpipe::cli;
28
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    39
using namespace relpipe::tr::cut;
0
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    40
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    41
int main(int argc, char**argv) {
4
fc58054da255 CLI: untieStdIO() to avoid unwanted implicit flush() calls on std::cout → less write() calls
František Kučera <franta-hg@frantovo.cz>
parents: 3
diff changeset
    42
	setlocale(LC_ALL, "");
fc58054da255 CLI: untieStdIO() to avoid unwanted implicit flush() calls on std::cout → less write() calls
František Kučera <franta-hg@frantovo.cz>
parents: 3
diff changeset
    43
	CLI::untieStdIO();
0
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    44
	CLI cli(argc, argv);
8
f66c759d1111 first working grep version
František Kučera <franta-hg@frantovo.cz>
parents: 7
diff changeset
    45
2
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    46
	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    47
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    48
	try {
28
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    49
		CLIParser cliParser;
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    50
		Configuration configuration = cliParser.parse(cli.arguments());
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    51
		
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    52
		std::shared_ptr<writer::RelationalWriter> writer(relpipe::writer::Factory::create(std::cout));
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    53
		std::shared_ptr<RelationalReader> reader(relpipe::reader::Factory::create(std::cin));
bc15f5471b6a new CLI interface: --relation, --attribute
František Kučera <franta-hg@frantovo.cz>
parents: 22
diff changeset
    54
		CutHandler handler(writer, configuration);
3
8731263d44f1 PassthroughHandler (string-based version)
František Kučera <franta-hg@frantovo.cz>
parents: 2
diff changeset
    55
		reader->addHandler(&handler);
2
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    56
		reader->process();
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    57
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    58
		resultCode = CLI::EXIT_CODE_SUCCESS;
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    59
8
f66c759d1111 first working grep version
František Kučera <franta-hg@frantovo.cz>
parents: 7
diff changeset
    60
	} catch (RelpipeCLIException& e) {
29
26ae3dca06af exception: fix typo: getMessge() → getMessage()
František Kučera <franta-hg@frantovo.cz>
parents: 28
diff changeset
    61
		fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessage().c_str());
2
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    62
		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    63
		resultCode = e.getExitCode();
8
f66c759d1111 first working grep version
František Kučera <franta-hg@frantovo.cz>
parents: 7
diff changeset
    64
	} catch (RelpipeReaderException& e) {
29
26ae3dca06af exception: fix typo: getMessge() → getMessage()
František Kučera <franta-hg@frantovo.cz>
parents: 28
diff changeset
    65
		fwprintf(stderr, L"Caught Reader exception: %ls\n", e.getMessage().c_str());
2
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    66
		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    67
		resultCode = CLI::EXIT_CODE_DATA_ERROR;
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    68
	}
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    69
eb2066405f79 reader without any output
František Kučera <franta-hg@frantovo.cz>
parents: 0
diff changeset
    70
	return resultCode;
0
a1301a106504 empty cmake project
František Kučera <franta-hg@frantovo.cz>
parents:
diff changeset
    71
}