From 4627317bcd02231780b10c3c891e1e4d3182171a Mon Sep 17 00:00:00 2001
From: Tyler Dauwalder <tylerdauwalder@nowhere.fake>
Date: Tue, 27 May 2003 07:58:08 +0000
Subject: [PATCH] Initial checkin. Slightly more typesafe static array type
 than built-in arrays, with array length information stored implicitly (i.e.
 consuming no physical space in the actual struct) via the arrayLength
 template parameter.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3351 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/add-ons/kernel/file_systems/udf/Array.h | 83 +++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 src/add-ons/kernel/file_systems/udf/Array.h

diff --git a/src/add-ons/kernel/file_systems/udf/Array.h b/src/add-ons/kernel/file_systems/udf/Array.h
new file mode 100644
index 0000000000..f889c2a321
--- /dev/null
+++ b/src/add-ons/kernel/file_systems/udf/Array.h
@@ -0,0 +1,83 @@
+//----------------------------------------------------------------------
+//  This software is part of the OpenBeOS distribution and is covered 
+//  by the OpenBeOS license.
+//
+//  Copyright (c) 2003 Tyler Dauwalder, tyler@dauwalder.net
+//---------------------------------------------------------------------
+
+#ifndef _UDF_ARRAY_H
+#define _UDF_ARRAY_H
+
+#include "cpp.h"
+
+#include "SupportDefs.h"
+
+namespace UDF {
+
+/*! \brief Slightly more typesafe static array type than built-in arrays,
+	with array length information stored implicitly (i.e. consuming no
+	physical space in the actual struct) via the \c arrayLength template
+	parameter.
+*/
+template<typename DataType, uint32 arrayLength>
+struct array {
+public:
+	void dump() {
+		for (uint32 i = 0; i < arrayLength; i++)
+			data[i].print();
+	}
+	uint32 length() const { return arrayLength; }
+	uint32 size() const { return arrayLength * sizeof(DataType); }
+	DataType data[arrayLength];
+};
+
+/*! \brief \c uint8 specialization of the \c array template struct.
+*/
+template<uint32 arrayLength>
+struct array<uint8, arrayLength> {
+	void dump()
+	{
+		const uint8 bytesPerRow = 8;
+		char classname[40];
+		sprintf(classname, "array<uint8, %ld>", arrayLength);
+		
+		DUMP_INIT(CF_PUBLIC | CF_DUMP | CF_HIGH_VOLUME, classname);
+		
+		for (uint32 i = 0; i < arrayLength; i++) {
+			if (i % bytesPerRow == 0)
+				PRINT(("[%ld:%ld]: ", i, i+bytesPerRow-1));
+			SIMPLE_PRINT(("0x%.2x ", data[i]));
+			if ((i+1) % bytesPerRow == 0 || i+1 == arrayLength)
+				SIMPLE_PRINT(("\n"));
+		}
+	}
+	uint8 data[arrayLength];
+};
+
+/*! \brief \c char specialization of the \c array template struct.
+*/
+template<uint32 arrayLength>
+struct array<char, arrayLength> {
+	void dump()
+	{
+		const uint8 bytesPerRow = 8;
+		char classname[40];
+		sprintf(classname, "array<uint8, %ld>", arrayLength);
+		
+		DUMP_INIT(CF_PUBLIC | CF_DUMP | CF_HIGH_VOLUME, classname);
+		
+		for (uint32 i = 0; i < arrayLength; i++) {
+			if (i % bytesPerRow == 0)
+				PRINT(("[%ld:%ld]: ", i, i+bytesPerRow-1));
+			SIMPLE_PRINT(("0x%.2x ", data[i]));
+			if ((i+1) % bytesPerRow == 0 || i+1 == arrayLength)
+				SIMPLE_PRINT(("\n"));
+		}
+	}
+	uint8 data[arrayLength];
+};
+
+
+};	// namespace UDF
+
+#endif	// _UDF_ARRAY_H