/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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/>.
 *
 */

#include "networkreadstream.h"
#include "common/tokenizer.h"

namespace Networking {

/*
 * The make static functions are defined in the implementation-specific subclass
 */

uint32 NetworkReadStream::fillWithSendingContents(char *bufferToFill, uint32 maxSize) {
	uint32 sendSize = _sendingContentsSize - _sendingContentsPos;
	if (sendSize > maxSize)
		sendSize = maxSize;
	for (uint32 i = 0; i < sendSize; ++i) {
		bufferToFill[i] = _sendingContentsBuffer[_sendingContentsPos + i];
	}
	_sendingContentsPos += sendSize;
	return sendSize;
}

uint32 NetworkReadStream::addResponseHeaders(char *buffer, uint32 bufferSize) {
	_responseHeaders += Common::String(buffer, bufferSize);
	return bufferSize;
}

double NetworkReadStream::getProgress() const {
	if (_progressTotal < 1)
		return 0;
	return (double)_progressDownloaded / (double)_progressTotal;
}

void NetworkReadStream::setProgress(uint64 downloaded, uint64 total) {
	_progressDownloaded = downloaded;
	_progressTotal = total;
}

uint32 NetworkReadStream::read(void *dataPtr, uint32 dataSize) {
	uint32 actuallyRead = _backingStream.read(dataPtr, dataSize);

	if (actuallyRead == 0) {
		if (_requestComplete)
			_eos = true;
		return 0;
	}

	return actuallyRead;
}

} // End of namespace Networking