/[gr2lib]/trunk/gr2lib/core/coreclasses/header/granny_header.cs
ViewVC logotype

Contents of /trunk/gr2lib/core/coreclasses/header/granny_header.cs

Parent Directory Parent Directory | Revision Log Revision Log


Revision 106 - (show annotations) (download)
Sat Jul 17 14:52:37 2010 UTC (10 years, 9 months ago) by william
File size: 6144 byte(s)
implement Granny2ExceptionWriter

1 //#define HAVE_GRN_REFERENCE // when defined enabled GRN_REFERNCE in Header, else it is disabled
2 using System;
3 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 using gr2lib.core.exceptions;
10
11 namespace gr2lib.core.coreclasses.header
12 {
13 public class granny_header : igranny_header
14 {
15 private const int GrannyGRNExtraTagCount = 4;
16 private const int GrannyGRNReservedUnusedCount = 3;
17
18 public granny_header()
19 {
20 this.ExtraTags = new int[GrannyGRNExtraTagCount];
21 this.ReservedUnused = new int[GrannyGRNReservedUnusedCount];
22
23 this.Version = 0;
24 this.TotalSize = 0;
25 this.CRC = 0;
26 this.SectionArrayOffset = 0;
27 this.SectionArrayCount = 0;
28 #if HAVE_GRN_REFERENCE
29 this.RootObjectTypeDefinition = new granny_reference();
30 this.RootObject = new granny_reference();
31 #endif
32 this.TypeTag = 0;
33 this.StringDatabaseCRC = 0;
34
35 for (int i = 0; i < GrannyGRNExtraTagCount; i++) { this.ExtraTags[i] = 0; }
36 for (int i = 0; i < GrannyGRNReservedUnusedCount; i++) { this.ReservedUnused[i] = 0; }
37 }
38
39 internal static granny_header ReadFromMemory(IntPtr pointer)
40 {
41 try
42 {
43 if (pointer == IntPtr.Zero) return null;
44 gr2lib.core.coretypes.native.granny_grn_file_header native = Helpers.ReadFromMemory<gr2lib.core.coretypes.native.granny_grn_file_header>(pointer);
45 granny_header managed = ReadFromNative(native);
46 managed.NativePointer = pointer;
47 return managed;
48 }
49 catch (Exception ex)
50 {
51 StackTrace st = new StackTrace(true);
52 #if ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE
53 Granny2ExceptionWriter.WriteToConsole(ex,st);
54 #endif
55 return default(granny_header);
56 }
57 }
58 internal static granny_header ReadFromNative(gr2lib.core.coretypes.native.granny_grn_file_header native)
59 {
60 try
61 {
62 granny_header managed = new granny_header();
63
64 managed.Version = native.Version;
65 managed.TotalSize = native.TotalSize;
66 managed.CRC = native.CRC;
67 managed.SectionArrayOffset = native.SectionArrayOffset;
68 managed.SectionArrayCount = native.SectionArrayCount;
69
70 // grn_reference
71
72 #if HAVE_GRN_REFERENCE
73 if (native.RootObjectTypeDefinition != IntPtr.Zero)
74 {
75 //managed.RootObjectTypeDefinition = granny_reference.ReadFromMemory(native.RootObjectTypeDefinition);
76 managed.RootObjectTypeDefinition = new granny_reference();
77 }
78 if (native.RootObject != IntPtr.Zero)
79 {
80 //managed.RootObject = granny_reference.ReadFromMemory(native.RootObject);
81 managed.RootObject = new granny_reference();
82 }
83 #endif
84
85 //managed.TypeTag = native.TypeTag;
86 managed.ExtraTags = native.ExtraTags;
87 managed.StringDatabaseCRC = native.StringDatabaseCRC;
88 managed.ReservedUnused = native.ReservedUnused;
89 //process header
90 return managed;
91 }
92 catch (Exception ex)
93 {
94 StackTrace st = new StackTrace(true);
95 #if ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE
96 Granny2ExceptionWriter.WriteToConsole(ex,st);
97 #endif
98 return default(granny_header);
99 }
100 }
101
102 #region INativePointer Members
103 private IntPtr _NativePointer;
104 public IntPtr NativePointer { get { return _NativePointer; } set { _NativePointer = value; } }
105 #endregion
106
107 #region igranny_header members
108
109 private Int32 _Version;
110 private Int32 _TotalSize;
111 private Int32 _CRC;
112 private Int32 _SectionArrayOffset;
113 private Int32 _SectionArrayCount;
114 #if HAVE_GRN_REFERENCE
115 private granny_reference _RootObjectTypeDefinition;
116 private granny_reference _RootObject;
117 #endif
118 private Int32 _TypeTag;
119 private Int32[] _ExtraTags; //4
120 private Int32 _StringDatabaseCRC;
121 private Int32[] _ReservedUnused; //3
122
123
124 public Int32 Version { get { return _Version; } set { _Version = value; } }
125 public Int32 TotalSize { get { return _TotalSize; } set { _TotalSize = value; } }
126 public Int32 CRC { get { return _CRC; } set { _CRC = value; } }
127 public Int32 SectionArrayOffset { get { return _SectionArrayOffset; } set { _SectionArrayOffset = value; } }
128 public Int32 SectionArrayCount { get { return _SectionArrayCount; } set { _SectionArrayCount = value; } }
129 #if HAVE_GRN_REFERENCE
130 public granny_reference RootObjectTypeDefinition { get { return _RootObjectTypeDefinition; } set { _RootObjectTypeDefinition = value; } }
131 public granny_reference RootObject { get { return _RootObject; } set { _RootObject = value; } }
132 #endif
133 public Int32 TypeTag { get { return _TypeTag; } set { _TypeTag = value; } }
134 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
135 public Int32 StringDatabaseCRC { get { return _StringDatabaseCRC; } set { _StringDatabaseCRC = value; } }
136 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
137 #endregion
138 }
139 }

  ViewVC Help
Powered by ViewVC 1.1.22