Initial commit

backends/networking/http/networkreadstream.cpp

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+/* 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