/[gr2lib]/trunk/gr2lib/core/coreclasses/header/granny_magic.cs
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Annotation of /trunk/gr2lib/core/coreclasses/header/granny_magic.cs

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Revision 102 - (hide annotations) (download)
Sat Jul 17 13:54:18 2010 UTC (9 years, 6 months ago) by william
File size: 3548 byte(s)
add compiler directive to write exceptions to console or not

1 william 94 using System;
2     using System.Collections.Generic;
3     using System.Linq;
4     using System.Text;
5     using gr2lib.core.interfaces;
6     using gr2lib.core.helpers;
7     using System.Diagnostics;
8    
9     namespace gr2lib.core.coreclasses.header
10     {
11     public class granny_magic : igranny_magic
12     {
13     private const int GrannyGRNMagixValueCount = 4;
14     private const int GrannyGRNReservedCount = 2;
15    
16     public granny_magic()
17     {
18     this.HeaderSize = 0;
19     this.HeaderFormat = 0;
20     this.MagicValue = new int[GrannyGRNMagixValueCount];
21     this.Reserved = new int[GrannyGRNReservedCount];
22    
23     for (int i = 0; i < GrannyGRNMagixValueCount; i++) { this.MagicValue[i] = 0; }
24     for (int i = 0; i < GrannyGRNReservedCount; i++) { this.Reserved[i] = 0; }
25     }
26    
27     internal static granny_magic ReadFromMemory(IntPtr pointer)
28     {
29     try
30     {
31     if (pointer == IntPtr.Zero) return null;
32     gr2lib.core.coretypes.native.granny_grn_file_magic_value native = Helpers.ReadFromMemory<gr2lib.core.coretypes.native.granny_grn_file_magic_value>(pointer);
33     granny_magic managed = ReadFromNative(native);
34     managed.NativePointer = pointer;
35     return managed;
36     }
37 william 102 catch
38 william 94 {
39     StackTrace st = new StackTrace(true);
40 william 102 #if ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE
41     Console.WriteLine(st.ToString());
42     #endif
43 william 94 return default(granny_magic);
44     }
45     }
46     internal static granny_magic ReadFromNative(gr2lib.core.coretypes.native.granny_grn_file_magic_value native)
47     {
48     try
49     {
50     granny_magic managed = new granny_magic();
51     //process magic
52    
53     managed.MagicValue = native.MagicValue;
54     managed.HeaderSize = native.HeaderSize;
55     managed.HeaderFormat = native.HeaderFormat;
56     managed.Reserved = native.Reserved;
57    
58     return managed;
59     }
60 william 102 catch
61 william 94 {
62     StackTrace st = new StackTrace(true);
63 william 102 #if ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE
64     Console.WriteLine(st.ToString());
65     #endif
66 william 94 return default(granny_magic);
67     }
68     }
69     #region INativePointer Members
70     private IntPtr _NativePointer;
71     public IntPtr NativePointer { get { return _NativePointer; } set { _NativePointer = value; } }
72     #endregion
73    
74     #region igranny_magic members
75    
76     private Int32[] _MagicValue;
77     private Int32 _HeaderSize;
78     private Int32 _HeaderFormat;
79     private Int32[] _Reserved;
80    
81     public Int32[] MagicValue { get { return _MagicValue; } set { if (value.Length > GrannyGRNMagixValueCount) throw new InvalidOperationException("The size of MagicValue cannot be greater than " + GrannyGRNMagixValueCount); _MagicValue = value; } } // size 4
82     public Int32 HeaderSize { get { return _HeaderSize; } set { _HeaderSize = value; } }
83     public Int32 HeaderFormat { get { return _HeaderFormat; } set { _HeaderFormat = value; } }
84     public Int32[] Reserved { get { return _Reserved; } set { if (value.Length > GrannyGRNReservedCount) throw new InvalidOperationException("The size of Reserved cannot be greater than " + GrannyGRNReservedCount); _Reserved = value; } } // size 2
85     #endregion
86     }
87     }

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