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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using gr2lib.core.interfaces; |
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using gr2lib.core.helpers; |
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using System.Diagnostics; |
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using gr2lib.core.exceptions; |
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|
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namespace gr2lib.core.coreclasses.header |
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{ |
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public class granny_magic : igranny_magic |
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{ |
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private const int GrannyGRNMagixValueCount = 4; |
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private const int GrannyGRNReservedCount = 2; |
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|
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public granny_magic() |
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{ |
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this.HeaderSize = 0; |
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this.HeaderFormat = 0; |
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this.MagicValue = new int[GrannyGRNMagixValueCount]; |
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this.Reserved = new int[GrannyGRNReservedCount]; |
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|
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for (int i = 0; i < GrannyGRNMagixValueCount; i++) { this.MagicValue[i] = 0; } |
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for (int i = 0; i < GrannyGRNReservedCount; i++) { this.Reserved[i] = 0; } |
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} |
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|
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internal static granny_magic ReadFromMemory(IntPtr pointer) |
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{ |
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try |
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{ |
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if (pointer == IntPtr.Zero) return null; |
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gr2lib.core.coretypes.native.granny_grn_file_magic_value native = Helpers.ReadFromMemory<gr2lib.core.coretypes.native.granny_grn_file_magic_value>(pointer); |
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granny_magic managed = ReadFromNative(native); |
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managed.NativePointer = pointer; |
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return managed; |
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} |
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catch (Exception ex) |
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{ |
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StackTrace st = new StackTrace(true); |
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#if ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE |
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Granny2ExceptionWriter.WriteToConsole(ex,st); |
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#endif |
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return default(granny_magic); |
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} |
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} |
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internal static granny_magic ReadFromNative(gr2lib.core.coretypes.native.granny_grn_file_magic_value native) |
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{ |
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try |
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{ |
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granny_magic managed = new granny_magic(); |
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//process magic |
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|
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managed.MagicValue = native.MagicValue; |
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managed.HeaderSize = native.HeaderSize; |
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managed.HeaderFormat = native.HeaderFormat; |
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managed.Reserved = native.Reserved; |
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|
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return managed; |
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} |
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catch (Exception ex) |
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{ |
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StackTrace st = new StackTrace(true); |
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#if ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE |
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Granny2ExceptionWriter.WriteToConsole(ex,st); |
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#endif |
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return default(granny_magic); |
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} |
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} |
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#region INativePointer Members |
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private IntPtr _NativePointer; |
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public IntPtr NativePointer { get { return _NativePointer; } set { _NativePointer = value; } } |
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#endregion |
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|
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#region igranny_magic members |
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|
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private Int32[] _MagicValue; |
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private Int32 _HeaderSize; |
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private Int32 _HeaderFormat; |
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private Int32[] _Reserved; |
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|
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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 |
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public Int32 HeaderSize { get { return _HeaderSize; } set { _HeaderSize = value; } } |
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public Int32 HeaderFormat { get { return _HeaderFormat; } set { _HeaderFormat = value; } } |
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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 |
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#endregion |
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} |
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} |
