/**
* 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 "ASN1ContentHandler.h"
#include "XMLContentHandler.h"
namespace relpipe {
namespace in {
namespace asn1 {
namespace lib {
/**
* Converts ASN.1 events to XML SAX events.
*
* Does not need to know anything about the model/schema – works with generic events (nodes).
*/
class GenericASN1ContentHandler : public ASN1ContentHandler {
private:
XMLContentHandlerProxy handlers;
public:
void addHandler(std::shared_ptr<XMLContentHandler> handler) {
handlers.addHandler(handler);
}
virtual ~GenericASN1ContentHandler() {
}
void writeStreamStart() override {
handlers.writeStartElement("asn1");
}
void writeStreamEnd() override {
handlers.writeEndElement();
}
void writeCollectionStart(CollectionType type) override {
if (type == CollectionType::Sequence) handlers.writeStartElement("sequence");
else if (type == CollectionType::Set) handlers.writeStartElement("set");
else if (type == CollectionType::Constructed) handlers.writeStartElement("constructed");
else handlers.writeStartElement("unknown-collection"); // TODO: exception?
}
void writeCollectionEnd() override {
handlers.writeEndElement();
}
void writeBoolean(bool value) override {
handlers.writeStartElement("boolean");
handlers.writeCharacters(value ? "true" : "false");
handlers.writeEndElement();
}
void writeNull() override {
handlers.writeStartElement("null");
handlers.writeEndElement();
}
void writeInteger(Integer value) override {
handlers.writeStartElement("integer",{"hex", value.toHex()});
handlers.writeCharacters(value.toString());
handlers.writeEndElement();
}
void writeString(StringType type, std::string value) override {
handlers.writeStartElement("string");
handlers.writeCharacters(value);
handlers.writeEndElement();
}
void writeOID(ObjectIdentifier value) override {
handlers.writeStartElement("oid");
handlers.writeCharacters(value.toString());
handlers.writeEndElement();
}
void writeDateTime(DateTimeType type, DateTime value) override {
handlers.writeStartElement("date-time");
handlers.writeCharacters(value.toString());
handlers.writeEndElement();
}
};
}
}
}
}