1 files changed, 33 insertions, 0 deletions
diff --git a/Swiften/FileTransfer/ByteArrayReadBytestream.cpp b/Swiften/FileTransfer/ByteArrayReadBytestream.cpp
new file mode 100644
index 0000000..4ba791f
--- /dev/null
+++ b/Swiften/FileTransfer/ByteArrayReadBytestream.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2010-2013 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include <Swiften/FileTransfer/ByteArrayReadBytestream.h>
+
+#include <boost/smart_ptr/make_shared.hpp>
+#include <boost/numeric/conversion/cast.hpp>
+
+#include <Swiften/Base/Algorithm.h>
+
+using namespace Swift;
+
+boost::shared_ptr<ByteArray> ByteArrayReadBytestream::read(size_t size) {
+	size_t readSize = size;
+	if (position + readSize > data.size()) {
+		readSize = data.size() - position;
+	}
+	boost::shared_ptr<ByteArray> result = boost::make_shared<ByteArray>(
+			data.begin() + boost::numeric_cast<long long>(position), 
+			data.begin() + boost::numeric_cast<long long>(position) + boost::numeric_cast<long long>(readSize));
+
+	onRead(*result);
+	position += readSize;
+	return result;
+}
+
+void ByteArrayReadBytestream::addData(const std::vector<unsigned char>& moreData) {
+	append(data, moreData);
+	onDataAvailable();
+}