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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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using System.Collections; |
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|
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namespace Softec.AprSharp |
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{ |
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public struct AprHash : IEnumerable, ICollection, IAprUnmanaged |
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{ |
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IntPtr mHash; |
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|
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#region Generic embedding functions of an IntPtr |
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public AprHash(IntPtr ptr) |
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{ |
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mHash = ptr; |
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} |
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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( mHash == IntPtr.Zero ); |
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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( IsNull ) |
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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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mHash = IntPtr.Zero; |
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} |
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|
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public IntPtr ToIntPtr() |
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{ |
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return mHash; |
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} |
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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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|
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public static implicit operator IntPtr(AprHash hashIndex) |
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{ |
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return hashIndex.mHash; |
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} |
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|
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public static implicit operator AprHash(IntPtr ptr) |
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{ |
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return new AprHash(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_hash_t:"+mHash.ToInt32().ToString("X")+"]"); |
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} |
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#endregion |
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|
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#region Methods wrappers |
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public static AprHash Make(AprPool pool) |
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{ |
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IntPtr ptr; |
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Debug.Write(String.Format("apr_hash_make({0})...",pool)); |
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ptr = Apr.apr_hash_make(pool); |
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if(ptr == IntPtr.Zero ) |
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throw new AprException("apr_hash_make: Can't create an apr_hash_t"); |
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Debug.WriteLine(String.Format("Done({0:X})",((Int32)ptr))); |
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return(ptr); |
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} |
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public AprHash Copy(AprPool pool) |
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{ |
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IntPtr ptr; |
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CheckPtr(); |
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Debug.Write(String.Format("apr_hash_copy({0},{1})...",pool,this)); |
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ptr = Apr.apr_hash_copy(pool,mHash); |
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if(ptr == IntPtr.Zero ) |
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throw new AprException("apr_hash_copy: Can't copy an apr_hash_t"); |
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Debug.WriteLine(String.Format("Done({0:X})",((Int32)ptr))); |
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return(ptr); |
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} |
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public AprHash Overlay(AprPool pool, AprHash h) |
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{ |
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IntPtr ptr; |
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CheckPtr(); |
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Debug.Write(String.Format("apr_hash_overlay({0},{1},{2})...",pool,h,this)); |
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ptr = Apr.apr_hash_overlay(pool,h,mHash); |
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if(ptr == IntPtr.Zero ) |
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throw new AprException("apr_hash_overlay: Can't overlay an apr_hash_t"); |
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Debug.WriteLine(String.Format("Done({0:X})",((Int32)ptr))); |
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return(ptr); |
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} |
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public void Set(string key, string value) |
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{ |
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AprString aprKey = new AprString(key, Pool); |
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AprString aprValue = new AprString(value, Pool); |
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Set((IntPtr)aprKey, -1, (IntPtr)aprValue); |
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} |
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public void Set(string key, IntPtr value) |
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{ |
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AprString aprKey = new AprString(key, Pool); |
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Set((IntPtr)aprKey, -1, value); |
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} |
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public void Set(AprString key, IntPtr value) |
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{ |
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Set((IntPtr)key, -1, value); |
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} |
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public void Set(AprHashEntry item) |
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{ |
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Set(item.Key, item.KeySize, item.Value); |
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} |
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public void Set(IntPtr key, int size, IntPtr value) |
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{ |
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CheckPtr(); |
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Debug.WriteLine(String.Format("apr_hash_set({0},{1:X},{2},{3:X})",this,key.ToInt32(),size,value.ToInt32())); |
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Apr.apr_hash_set(mHash, key, size, value); |
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} |
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public string GetAsString(string key) |
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{ |
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AprString aprKey = new AprString(key, Pool); |
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return(GetAsString((IntPtr)aprKey,-1)); |
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} |
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public string GetAsString(AprString key) |
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{ |
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return(GetAsString((IntPtr)key,-1)); |
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} |
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public string GetAsString(IntPtr key, int size) |
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{ |
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return(((AprString)Get(key,size)).ToString()); |
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} |
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public IntPtr Get(string key) |
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{ |
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AprString aprKey = new AprString(key, Pool); |
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return(Get((IntPtr)aprKey,-1)); |
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} |
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public IntPtr Get(AprString key) |
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{ |
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return(Get((IntPtr)key,-1)); |
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} |
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public IntPtr Get(AprHashEntry item) |
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{ |
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return(Get(item.Key,item.KeySize)); |
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} |
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public IntPtr Get(IntPtr key, int size) |
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{ |
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IntPtr ptr; |
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CheckPtr(); |
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Debug.Write(String.Format("apr_hash_get({0},{1:X},{2})...",this,key.ToInt32(),size)); |
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ptr = Apr.apr_hash_get(mHash,key,size); |
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Debug.WriteLine(String.Format("Done({0:X})",((Int32)ptr))); |
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return(ptr); |
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} |
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public AprHashIndex First(AprPool pool) |
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{ |
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return(AprHashIndex.First(pool,this)); |
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} |
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#endregion |
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#region Wrapper Properties |
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public AprPool Pool |
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{ |
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get { |
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Debug.WriteLine(String.Format("apr_hash_pool_get({0:X})",this)); |
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return(Apr.apr_hash_pool_get(mHash)); |
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} |
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} |
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[CLSCompliant(false)] |
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public uint NativeCount |
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{ |
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get { |
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Debug.WriteLine(String.Format("apr_hash_count({0:X})",this)); |
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return(Apr.apr_hash_count(mHash)); |
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} |
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} |
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#endregion |
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#region ICollection |
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public void CopyTo(Array array, int arrayIndex) |
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{ |
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if(null == array) |
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throw new AprArgumentNullException("array"); |
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if(arrayIndex < 0 || arrayIndex > array.Length) |
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throw new AprArgumentOutOfRangeException("arrayIndex"); |
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if(array.Rank > 1) |
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throw new AprArgumentException("array is multidimensional"); |
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if((array.Length - arrayIndex) < Count) |
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throw new AprArgumentException("Not enough room from arrayIndex to end of array for this AprHash"); |
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int i = arrayIndex; |
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IEnumerator it = GetEnumerator(); |
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while(it.MoveNext()) { |
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array.SetValue(it.Current, i++); |
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} |
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} |
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public bool IsSynchronized |
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{ |
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get |
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{ |
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return false; |
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} |
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} |
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public object SyncRoot |
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{ |
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get |
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{ |
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return this; |
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} |
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} |
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public int Count |
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{ |
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get |
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{ |
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Debug.WriteLine(String.Format("apr_hash_count({0:X})",this)); |
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return(unchecked((int)Apr.apr_hash_count(mHash))); |
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} |
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} |
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#endregion |
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#region IEnumerable |
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public IEnumerator GetEnumerator() |
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{ |
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return (IEnumerator) new AprHashEnumerator(this, Pool); |
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} |
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#endregion |
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public IEnumerator GetEnumerator(AprPool pool) |
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{ |
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return (IEnumerator) new AprHashEnumerator(this, pool); |
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} |
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} |
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// AprHashItem Class |
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public struct AprHashEntry |
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{ |
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private AprPool mPool; |
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internal IntPtr mKey; |
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internal int mKeySize; |
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internal IntPtr mValue; |
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public AprHashEntry(AprPool pool) |
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{ |
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mPool = pool; |
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mKey = IntPtr.Zero; |
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mKeySize = 0; |
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mValue = IntPtr.Zero; |
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} |
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public AprPool Pool |
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{ |
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get |
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{ |
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return mPool; |
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} |
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set |
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{ |
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mPool = value; |
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} |
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} |
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public IntPtr Key |
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{ |
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get |
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{ |
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return mKey; |
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} |
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set |
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{ |
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mKey = value; |
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} |
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} |
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public int KeySize |
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{ |
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get |
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return mKeySize; |
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} |
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set |
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{ |
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mKeySize = value; |
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} |
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} |
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public IntPtr Value |
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{ |
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get |
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return mValue; |
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} |
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set |
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{ |
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mValue = value; |
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} |
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} |
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public string KeyAsString |
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{ |
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get |
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return Marshal.PtrToStringAnsi(mKey); |
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} |
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set |
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{ |
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if( mPool.IsNull ) |
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throw new AprNullReferenceException(); |
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mKey = new AprString(value, mPool); |
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mKeySize = -1; |
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} |
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} |
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public string ValueAsString |
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{ |
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get |
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{ |
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return Marshal.PtrToStringAnsi(mValue); |
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} |
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set |
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{ |
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if( mPool.IsNull ) |
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throw new AprNullReferenceException(); |
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mValue = new AprString(value, mPool); |
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} |
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} |
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} |
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// AprHashEnumerator Class |
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public class AprHashEnumerator : IEnumerator |
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{ |
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private AprPool mPool; |
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private AprHash mHash; |
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private AprHashIndex mHashIndex; |
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private bool reset; |
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public AprHashEnumerator( AprHash h ) |
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{ |
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mHash = h; |
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mPool = h.Pool; |
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reset = true; |
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} |
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public AprHashEnumerator( AprHash h, AprPool pool ) |
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{ |
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mHash = h; |
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mPool = pool; |
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reset = true; |
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} |
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|
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#region IEnumerator |
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public bool MoveNext() |
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{ |
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if(reset) |
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{ |
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mHashIndex = AprHashIndex.First(mPool, mHash); |
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reset = false; |
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} |
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else if(!mHashIndex.IsNull) |
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{ |
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mHashIndex.Next(); |
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} |
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return(!mHashIndex.IsNull); |
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} |
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public void Reset() |
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{ |
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mHashIndex.ClearPtr(); |
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reset = true; |
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} |
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|
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public object Current |
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{ |
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get |
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{ |
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AprHashEntry entry = new AprHashEntry(mPool); |
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mHashIndex.This(out entry.mKey, out entry.mKeySize, out entry.mValue); |
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return(entry); |
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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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