/[gr2lib]/trunk/gr2lib/core/coreclasses/header/granny_header.cs
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Annotation of /trunk/gr2lib/core/coreclasses/header/granny_header.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: 6059 byte(s)
add compiler directive to write exceptions to console or not

1 william 97 //#define HAVE_GRN_REFERENCE // when defined enabled GRN_REFERNCE in Header, else it is disabled
2     using System;
3 william 94 using System.Collections.Generic;
4     using System.Linq;
5     using System.Text;
6     using gr2lib.core.interfaces;
7     using gr2lib.core.helpers;
8     using System.Diagnostics;
9    
10     namespace gr2lib.core.coreclasses.header
11     {
12     public class granny_header : igranny_header
13     {
14     private const int GrannyGRNExtraTagCount = 4;
15     private const int GrannyGRNReservedUnusedCount = 3;
16    
17     public granny_header()
18     {
19     this.ExtraTags = new int[GrannyGRNExtraTagCount];
20     this.ReservedUnused = new int[GrannyGRNReservedUnusedCount];
21    
22     this.Version = 0;
23     this.TotalSize = 0;
24     this.CRC = 0;
25     this.SectionArrayOffset = 0;
26     this.SectionArrayCount = 0;
27 william 97 #if HAVE_GRN_REFERENCE
28 william 94 this.RootObjectTypeDefinition = new granny_reference();
29     this.RootObject = new granny_reference();
30 william 97 #endif
31 william 94 this.TypeTag = 0;
32     this.StringDatabaseCRC = 0;
33    
34     for (int i = 0; i < GrannyGRNExtraTagCount; i++) { this.ExtraTags[i] = 0; }
35     for (int i = 0; i < GrannyGRNReservedUnusedCount; i++) { this.ReservedUnused[i] = 0; }
36     }
37    
38     internal static granny_header ReadFromMemory(IntPtr pointer)
39     {
40     try
41     {
42     if (pointer == IntPtr.Zero) return null;
43     gr2lib.core.coretypes.native.granny_grn_file_header native = Helpers.ReadFromMemory<gr2lib.core.coretypes.native.granny_grn_file_header>(pointer);
44     granny_header managed = ReadFromNative(native);
45     managed.NativePointer = pointer;
46     return managed;
47     }
48 william 102 catch
49 william 94 {
50     StackTrace st = new StackTrace(true);
51 william 102 #if ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE
52     Console.WriteLine(st.ToString());
53     #endif
54 william 94 return default(granny_header);
55     }
56     }
57     internal static granny_header ReadFromNative(gr2lib.core.coretypes.native.granny_grn_file_header native)
58     {
59     try
60     {
61     granny_header managed = new granny_header();
62    
63     managed.Version = native.Version;
64     managed.TotalSize = native.TotalSize;
65     managed.CRC = native.CRC;
66     managed.SectionArrayOffset = native.SectionArrayOffset;
67     managed.SectionArrayCount = native.SectionArrayCount;
68 william 97
69 william 94 // grn_reference
70    
71 william 97 #if HAVE_GRN_REFERENCE
72 william 94 if (native.RootObjectTypeDefinition != IntPtr.Zero)
73     {
74     //managed.RootObjectTypeDefinition = granny_reference.ReadFromMemory(native.RootObjectTypeDefinition);
75     managed.RootObjectTypeDefinition = new granny_reference();
76     }
77     if (native.RootObject != IntPtr.Zero)
78     {
79     //managed.RootObject = granny_reference.ReadFromMemory(native.RootObject);
80     managed.RootObject = new granny_reference();
81     }
82 william 97 #endif
83 william 94
84     //managed.TypeTag = native.TypeTag;
85     managed.ExtraTags = native.ExtraTags;
86     managed.StringDatabaseCRC = native.StringDatabaseCRC;
87     managed.ReservedUnused = native.ReservedUnused;
88     //process header
89     return managed;
90     }
91 william 102 catch
92 william 94 {
93     StackTrace st = new StackTrace(true);
94 william 102 #if ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE
95     Console.WriteLine(st.ToString());
96     #endif
97 william 94 return default(granny_header);
98     }
99     }
100    
101     #region INativePointer Members
102     private IntPtr _NativePointer;
103     public IntPtr NativePointer { get { return _NativePointer; } set { _NativePointer = value; } }
104     #endregion
105    
106     #region igranny_header members
107    
108     private Int32 _Version;
109     private Int32 _TotalSize;
110     private Int32 _CRC;
111     private Int32 _SectionArrayOffset;
112     private Int32 _SectionArrayCount;
113 william 97 #if HAVE_GRN_REFERENCE
114 william 94 private granny_reference _RootObjectTypeDefinition;
115     private granny_reference _RootObject;
116 william 97 #endif
117 william 94 private Int32 _TypeTag;
118     private Int32[] _ExtraTags; //4
119     private Int32 _StringDatabaseCRC;
120     private Int32[] _ReservedUnused; //3
121    
122    
123     public Int32 Version { get { return _Version; } set { _Version = value; } }
124     public Int32 TotalSize { get { return _TotalSize; } set { _TotalSize = value; } }
125     public Int32 CRC { get { return _CRC; } set { _CRC = value; } }
126     public Int32 SectionArrayOffset { get { return _SectionArrayOffset; } set { _SectionArrayOffset = value; } }
127     public Int32 SectionArrayCount { get { return _SectionArrayCount; } set { _SectionArrayCount = value; } }
128 william 97 #if HAVE_GRN_REFERENCE
129 william 94 public granny_reference RootObjectTypeDefinition { get { return _RootObjectTypeDefinition; } set { _RootObjectTypeDefinition = value; } }
130     public granny_reference RootObject { get { return _RootObject; } set { _RootObject = value; } }
131 william 97 #endif
132 william 94 public Int32 TypeTag { get { return _TypeTag; } set { _TypeTag = value; } }
133     public Int32[] ExtraTags { get { return _ExtraTags; } set { if (value.Length > GrannyGRNExtraTagCount) throw new InvalidOperationException("The size of ExtraTags cannot be greater than " + GrannyGRNExtraTagCount); _ExtraTags = value; } } //4
134     public Int32 StringDatabaseCRC { get { return _StringDatabaseCRC; } set { _StringDatabaseCRC = value; } }
135     public Int32[] ReservedUnused { get { return _ReservedUnused; } set { if (value.Length > GrannyGRNReservedUnusedCount) throw new InvalidOperationException("The size of ReservedUnused cannot be greater than " + GrannyGRNReservedUnusedCount); _ReservedUnused = value; } } //3
136     #endregion
137     }
138     }

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