src/bytestream.h

changeset 6
67b6ef6917ba
child 13
9bdddd2ccde6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/bytestream.h	Wed Jul 17 18:46:47 2013 +0300
@@ -0,0 +1,62 @@
+#ifndef BYTESTREAM_H
+#define BYTESTREAM_H
+
+#include "types.h"
+
+class Bytestream {
+private:
+	uint8* m_data;
+	uint8* m_ptr;
+	ulong m_size, m_len;
+	
+	void doWrite (uint8_t val);
+	
+public:
+	Bytestream (ulong len = 2048);
+	Bytestream (const char* data, ulong len);
+	
+	void init (const char* data, ulong len);
+	void rewind ();
+	void seek (ulong pos);
+	void clear ();
+	void merge (const Bytestream& other);
+	bool tryMerge (const Bytestream& other);
+	void resize (ulong len);
+	size_t len () const;
+	ulong bytesLeft () const;
+	ulong spaceLeft () const;
+	void growToFit (ulong bytes);
+	const uint8* data () const;
+	
+	bool readBytes (uint8 numbytes, uint8* val);
+	bool readByte (uint8& val);
+	bool readShort (uint16& val);
+	bool readLong (uint32& val);
+	bool readString (str& val);
+	bool readFloat (float& val);
+	
+	void writeBytes (uint8 numbytes, const uint8* val);
+	void writeByte (uint8 val);
+	void writeShort (uint16 val);
+	void writeLong (uint32 val);
+	void writeFloat (float val);
+	void writeString (str val);
+	
+	Bytestream& operator<< (const Bytestream& other) {
+		merge (other);
+		return *this;
+	}
+	
+	uint8& subscript (ulong idx);
+	const uint8& const_subscript (ulong idx) const;
+	
+	uint8& operator[] (ulong idx) {
+		return subscript (idx);
+	}
+	
+	const uint8& operator[] (ulong idx) const {
+		return const_subscript (idx);
+	}
+};
+
+#endif // BYTESTREAM_H
\ No newline at end of file

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