/**
* Relational pipes
* Copyright © 2021 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 of the License.
*
* 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 <vector>
#include "ASN1Reader.h"
namespace relpipe {
namespace in {
namespace asn1 {
namespace lib {
/**
* Reads ASN.1 data encoded as BER (DER, CER).
*/
class BasicASN1Reader : public ASN1Reader {
private:
enum class State {
A,
B,
C
};
State state = State::A;
bool started = false;
protected:
void update() override {
if (!started) {
handlers.writeStreamStart();
started = true;
}
handlers.writeCollectionStart(ASN1ContentHandler::CollectionType::Sequence);
handlers.writeNull();
handlers.writeBoolean(true);
handlers.writeInteger(123);
handlers.writeString(ASN1ContentHandler::StringType::UTF8String, "relational pipes");
handlers.writeCollectionEnd();
if (state == State::A) {
} else if (state == State::B) {
} else if (state == State::C) {
}
}
public:
void close() override {
if (started) handlers.writeStreamEnd();
}
};
}
}
}
}