/**
* 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, 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 <memory>
#include <string>
#include <vector>
#include <locale>
#include <codecvt>
#include <sqlite3.h>
#include <relpipe/reader/typedefs.h>
#include <relpipe/reader/TypeId.h>
#include <relpipe/reader/handlers/RelationalReaderStringHandler.h>
#include <relpipe/reader/handlers/AttributeMetadata.h>
#include <relpipe/writer/Factory.h>
#include "Configuration.h"
#include "SqlException.h"
namespace relpipe {
namespace tr {
namespace sql {
using namespace std;
using namespace relpipe;
using namespace relpipe::reader;
using namespace relpipe::reader::handlers;
class SqlHandler : public RelationalReaderStringHandler {
private:
Configuration configuration;
writer::RelationalWriter* relationalWriter;
std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings
sqlite3* db;
sqlite3_stmt* currentStatement;
public:
SqlHandler(writer::RelationalWriter* relationalWriter, Configuration& configuration) : relationalWriter(relationalWriter), configuration(configuration) {
int error = sqlite3_open(":memory:", &db);
if (error) {
sqlite3_close(db);
throw SqlException(L"Unable to open sqlite database.");
}
}
virtual ~SqlHandler() {
sqlite3_close(db);
}
void startRelation(string_t name, vector<AttributeMetadata> attributes) override {
}
void attribute(const string_t& value) override {
}
void endOfPipe() {
}
};
}
}
}