src/lib/AbstractParser.cpp
author František Kučera <franta-hg@frantovo.cz>
Sat, 13 Mar 2021 19:28:13 +0100
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AbstractParser: remove unnecessary delegation (put only private methods in AbstractParserImpl)
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/**
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 * Relational pipes
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 * Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info)
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, version 3 of the License.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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 */
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#include "AbstractParser.h"
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namespace relpipe {
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namespace in {
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namespace asn1 {
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namespace lib {
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class AbstractParserImpl {
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private:
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	AbstractParser* interface;
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public:
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	AbstractParserImpl(AbstractParser* interface) : interface(interface) {
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	}
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	virtual ~AbstractParserImpl() {
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	}
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};
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AbstractParser::AbstractParser() {
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	implementation = new AbstractParserImpl(this);
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}
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AbstractParser::~AbstractParser() {
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	delete implementation;
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}
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void AbstractParser::write(const char* buffer, const size_t length) {
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	// TODO: update pointers and positions
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	try {
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		// TODO: call an overridable method to get preferred minimum block size and run cycle only if we have enough data or EOF
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		update();
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		commit();
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	} catch (const AbstractParser::ReadBufferUnderflowException& e) {
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		rollback();
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	} catch (const AbstractParser::ExplicitRollbackException& e) {
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		rollback();
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	}
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}
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void AbstractParser::rollback() {
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	// FIXME: store content of the current buffer + update pointers and positions
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	// TODO: notify rollback listeners? (they can monitor the performance / frequency of rollbacks)
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}
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void AbstractParser::commit() {
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}
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void AbstractParser::read(char* buffer, const size_t length) {
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}
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void AbstractParser::peek(char* buffer, const size_t length) {
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}
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}
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}
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}
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}