git-svn-id: svn://db.shs.com.ru/libs@188 a8b55f48-bf90-11e4-a774-851b48703e85

qad/utils/chunkstream.cpp

@@ -0,0 +1,38 @@
+#include "chunkstream.h"
+
+
+void ChunkStream::setSource(const QByteArray & data) {
+	stream_.setVersion(QDataStream::Qt_4_8);
+	data_ = const_cast<QByteArray*>(&data);
+	_init();
+}
+
+
+void ChunkStream::setSource(QByteArray * data) {
+	stream_.setVersion(QDataStream::Qt_4_8);
+	data_ = (data ? data : &tmp_data);
+	_init();
+}
+
+
+void ChunkStream::setSource(QDataStream & str) {
+	stream_.setVersion(QDataStream::Qt_4_8);
+	str >> tmp_data;
+	data_ = &tmp_data;
+	_init();
+}
+
+
+ChunkStream::~ChunkStream() {
+
+}
+
+
+void ChunkStream::_init() {
+	last_id = -1;
+	last_data.clear();
+	buffer.close();
+	buffer.setBuffer(data_);
+	buffer.open(QIODevice::ReadWrite);
+	stream_.setDevice(&buffer);
+}