-//
-// ByteType.cs
-//
-// Author:
-// Chris J Breisch (cjbreisch@altavista.net)
-//
-// (C) 2002 Chris J Breisch
-//
-
+ //
+ // ByteType.cs
+ //
+ // Author:
+ // Chris J Breisch (cjbreisch@altavista.net)
+ // Francesco Delfino (pluto@tipic.com)
+ // Dennis Hayes (dennish@raytek.com)
+ //
+ // (C) copyright 2002 Chris J Breisch
+ // 2002 Tipic, Inc (http://www.tipic.com)
+ //
+ /*
+ * Copyright (c) 2002-2003 Mainsoft Corporation.
+ * Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+ /**
+ * Class that converts objects to Byte value.
+ */
using System;
+using System.ComponentModel;
-namespace Microsoft.VisualBasic.CompilerServices \r
+namespace Microsoft.VisualBasic.CompilerServices
{
- [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
- [Microsoft.VisualBasic.CompilerServices.StandardModuleAttribute]
+ [StandardModule, EditorBrowsableAttribute(EditorBrowsableState.Never)]
sealed public class ByteType {
- // Declarations
- // Constructors
- // Properties
+ private ByteType () {}
+
+ /**
+ * The method converts given object to byte by the following logic:
+ * 1. If input object is null - return 0
+ * 2. If input object is String - run FromString method
+ * 3. Otherwise run .NET default conversion - Convert.ToByte
+ * @param value - The object that going to be converted
+ * @return byte The byte value that converted from the source object
+ * @see system.Convert#ToByte
+ */
+ public static System.Byte FromObject (object Value) {
+ if ((object)Value==null)
+ return 0;
+
+ if (Value is string)
+ return FromString((string) Value);
+
+ return Convert.ToByte(Value);//Throws correct execption. Execption not converted from .java code.
+ }
+
// Methods
- public static System.Byte FromString (System.String Value) { return System.Byte.Parse(Value); }
- [MonoTODO]
- public static System.Byte FromObject (System.Object Value) { throw new NotImplementedException(); }
- // Events
+ /**
+ * The method try to convert given string to byte in a following way:
+ * 1. If input string is null return 0.
+ * 2. If input string represents number: return value of this number,
+ * @exception InvalidCastException - in case if number translation failed
+ * @param str - The string that converted to int
+ * @return int The value that extracted from the input string.
+ * @see Microsoft.VisualBasic.VBUtils#isNumber
+ */
+ public static System.Byte FromString (string Value) {
+ if(Value == null)return 0;
+
+ int Base = 10;
+ int start = 0;
+ if(Value.Substring(0,1) == "&"){
+ //is diff base
+ if(Value.Substring(1,1).ToUpper() == "H")
+ Base = 16;
+ else if(Value.Substring(1,1).ToUpper() == "O")
+ Base = 8;
+ else {
+ // I think we should just let convert take care of the execption.
+ // Should we throw a special execption instead?
+ // I think the Mainsoft java code below just converts execptions from java to C#
+ }
+ start = 2;
+ }
+ return Convert.ToByte(Value.Substring(start,Value.Length - start), Base);
+
+ // Mainsoft java implmentation.
+ // isNumber checks for leading &H or &O
+ // leave for documentation.
+ //
+ // if (VBUtils.isNumber(str, lRes))
+ // {
+ // long val = (long)java.lang.Math.rint(lRes[0]);
+ // if (val > ClrByte.MaxValue || val < ClrByte.MinValue)
+ // throw new OverflowException(
+ // Environment.GetResourceString("Overflow_Byte"));
+ // return (int) val;
+ // }
+ // }
+ // catch (java.lang.Exception e)
+ // {
+ // throw new InvalidCastException(
+ // Utils.GetResourceString("InvalidCast_FromStringTo",
+ // str, "Byte"), e);
+ // }
+ }
};
}
projects / mono.git / blobdiff