/**
* Relational pipes
* Copyright © 2018 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, 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/>.
*/
#pragma once
#include <cstdlib>
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <relpipe/writer/typedefs.h>
#include "Command.h"
namespace relpipe {
namespace in {
namespace cli {
class DemoCommand : public Command {
public:
void process(std::istream& input, std::ostream& output, const relpipe::writer::string_t& command, const std::vector<relpipe::writer::string_t>& arguments) override {
using namespace relpipe::writer;
std::shared_ptr<RelationalWriter> writer(Factory::create(output));
// Various data types passed as strings
writer->startRelation(L"table_from_strings",{
{L"s", TypeId::STRING},
{L"i", TypeId::INTEGER},
{L"b", TypeId::BOOLEAN}
}, true);
writer->writeAttribute(L"a");
writer->writeAttribute(L"1");
writer->writeAttribute(L"true");
writer->writeAttribute(L"b");
writer->writeAttribute(L"2");
writer->writeAttribute(L"false");
// Various data types passed as raw pointers + typeids
writer->startRelation(L"from_raw_pointers",{
{L"s", TypeId::STRING},
{L"i", TypeId::INTEGER},
{L"b", TypeId::BOOLEAN}
}, true);
string_t sValue;
integer_t iValue;
boolean_t bValue;
for (int i = 0; i < 8; i++) {
sValue.append(L"*");
iValue = i + 1;
bValue = iValue % 2 == 0;
writer->writeAttribute(&sValue, typeid (sValue));
writer->writeAttribute(&iValue, typeid (iValue));
writer->writeAttribute(&bValue, typeid (bValue));
}
}
};
}
}
}