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// AprSharp, a wrapper library around the Apache Portable Runtime Library |
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#region Copyright (C) 2004 SOFTEC sa. |
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// |
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// This library is free software; you can redistribute it and/or |
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// modify it under the terms of the GNU Lesser General Public |
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// License as published by the Free Software Foundation; either |
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// version 2.1 of the License, or (at your option) any later version. |
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// |
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// Lesser General Public License for more details. |
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// |
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// You should have received a copy of the GNU Lesser General Public |
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// License along with this library; if not, write to the Free Software |
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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// |
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// Sources, support options and lastest version of the complete library |
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// is available from: |
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// http://www.softec.st/AprSharp |
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// |
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// |
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// Initial authors : |
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// Denis Gervalle |
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// Olivier Desaive |
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#endregion |
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// |
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using System; |
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using System.Diagnostics; |
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using System.Runtime.InteropServices; |
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|
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namespace Softec.AprSharp |
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{ |
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public unsafe struct AprMemNode |
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{ |
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private apr_memnode_t *mMemNode; |
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|
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[StructLayout( LayoutKind.Sequential, Pack=4 )] |
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private struct apr_memnode_t |
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{ |
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public apr_memnode_t *next; |
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public apr_memnode_t **selfref; |
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public UInt32 index; |
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public UInt32 free_index; |
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public byte *first_avail; |
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public byte *endp; |
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} |
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|
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#region Generic embedding functions of an IntPtr |
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private AprMemNode(apr_memnode_t *ptr) |
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{ |
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mMemNode = ptr; |
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} |
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|
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public AprMemNode(IntPtr ptr) |
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{ |
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mMemNode = (apr_memnode_t *)ptr.ToPointer(); |
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} |
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public bool IsNull |
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{ |
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get |
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{ |
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return( mMemNode == null ); |
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} |
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} |
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|
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private void CheckPtr() |
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{ |
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if( mMemNode == null ) |
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throw new AprNullReferenceException(); |
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} |
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|
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public void ClearPtr() |
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{ |
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mMemNode = null; |
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} |
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|
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public IntPtr ToIntPtr() |
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{ |
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return new IntPtr(mMemNode); |
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} |
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public bool ReferenceEquals(IAprUnmanaged obj) |
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{ |
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return(obj.ToIntPtr() == ToIntPtr()); |
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} |
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public static implicit operator IntPtr(AprMemNode memNode) |
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{ |
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return new IntPtr(memNode.mMemNode); |
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} |
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|
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public static implicit operator AprMemNode(IntPtr ptr) |
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{ |
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return new AprMemNode(ptr); |
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} |
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|
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public override string ToString() |
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{ |
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return("[apr_memnode_t:"+(new IntPtr(mMemNode)).ToInt32().ToString("X")+"]"); |
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} |
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#endregion |
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|
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#region Structure members wrapper (Properties) |
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|
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public AprMemNode Next |
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{ |
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get |
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{ |
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CheckPtr(); |
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return(new AprMemNode(mMemNode->next)); |
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} |
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set |
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{ |
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CheckPtr(); |
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mMemNode->next=value.mMemNode; |
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} |
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} |
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public AprMemNode Ref |
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{ |
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get |
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{ |
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CheckPtr(); |
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return((mMemNode->selfref != null) |
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? new AprMemNode(*(mMemNode->selfref)) |
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: new AprMemNode(null)); |
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} |
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} |
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public IntPtr NativeRef |
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{ |
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get |
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{ |
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CheckPtr(); |
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return((IntPtr)mMemNode->selfref); |
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} |
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set |
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{ |
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CheckPtr(); |
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mMemNode->selfref=(apr_memnode_t **)value.ToPointer(); |
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} |
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} |
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public int Index |
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{ |
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get |
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{ |
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CheckPtr(); |
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return(unchecked((int)NativeIndex)); |
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} |
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} |
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[CLSCompliant(false)] |
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public uint NativeIndex |
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{ |
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get |
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{ |
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CheckPtr(); |
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return(mMemNode->index); |
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} |
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} |
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public int FreeIndex |
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{ |
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get |
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{ |
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CheckPtr(); |
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return(unchecked((int)NativeFreeIndex)); |
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} |
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} |
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[CLSCompliant(false)] |
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public uint NativeFreeIndex |
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{ |
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get |
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{ |
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CheckPtr(); |
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return(mMemNode->free_index); |
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} |
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} |
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public IntPtr FirstAvail |
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{ |
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get |
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{ |
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CheckPtr(); |
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return((IntPtr)mMemNode->first_avail); |
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} |
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set |
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{ |
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CheckPtr(); |
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mMemNode->first_avail=(byte *)value.ToPointer(); |
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} |
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} |
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[CLSCompliant(false)] |
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public byte *NativeFirstAvail |
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{ |
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get |
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{ |
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CheckPtr(); |
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return(mMemNode->first_avail); |
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} |
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set |
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{ |
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CheckPtr(); |
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mMemNode->first_avail=value; |
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} |
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} |
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public IntPtr EndP |
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{ |
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get |
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{ |
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CheckPtr(); |
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return((IntPtr)mMemNode->endp); |
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} |
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} |
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[CLSCompliant(false)] |
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public byte *NativeEndP |
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{ |
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get |
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{ |
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CheckPtr(); |
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return(mMemNode->endp); |
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} |
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} |
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#endregion |
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} |
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} |
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