Add a hex dump utility for use in KDL commands

headers/private/kernel/debug_hex_dump.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2013, Ingo Weinhold, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _KERNEL_DEBUG_HEX_DUMP_H
+#define _KERNEL_DEBUG_HEX_DUMP_H
+
+
+#include <debug.h>
+
+
+namespace BKernel {
+
+
+enum {
+	HEX_DUMP_FLAG_OMIT_ADDRESS	= 0x01
+};
+
+
+class HexDumpDataProvider {
+public:
+	virtual						~HexDumpDataProvider();
+
+	virtual	bool				HasMoreData() const = 0;
+	virtual	uint8				NextByte() = 0;
+	virtual	bool				GetAddressString(char* buffer,
+									size_t bufferSize) const;
+};
+
+
+class HexDumpBufferDataProvider : public HexDumpDataProvider {
+public:
+								HexDumpBufferDataProvider(const void* data,
+									size_t dataSize);
+
+	virtual	bool				HasMoreData() const;
+	virtual	uint8				NextByte();
+	virtual	bool				GetAddressString(char* buffer,
+									size_t bufferSize) const;
+
+private:
+			const uint8*		fData;
+			size_t				fDataSize;
+};
+
+
+void	print_hex_dump(HexDumpDataProvider& data, size_t maxBytes,
+			uint32 flags = 0);
+void	print_hex_dump(const void* data, size_t maxBytes, uint32 flags = 0);
+
+
+}	// namespace BKernel
+
+
+#endif	/* _KERNEL_DEBUG_HEX_DUMP_H */