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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 struct AprString : IAprUnmanaged |
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{ |
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private IntPtr mString; |
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|
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#region Generic embedding functions of an IntPtr |
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public AprString(IntPtr ptr) |
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{ |
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mString = ptr; |
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} |
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|
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public AprString(string str, AprPool pool) |
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{ |
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mString = Apr.apr_pstrdup(pool, str); |
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} |
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|
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public AprString(AprString str, AprPool pool) |
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{ |
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mString = Apr.apr_pstrdup(pool, str); |
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} |
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public AprString(string str, int size, AprPool pool) |
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{ |
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mString = Apr.apr_pstrndup(pool, str, unchecked((uint)size)); |
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} |
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|
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public AprString(AprString str, int size, AprPool pool) |
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{ |
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mString = Apr.apr_pstrndup(pool, str, unchecked((uint)size)); |
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} |
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|
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[CLSCompliant(false)] |
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public AprString(string str, uint size, AprPool pool) |
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{ |
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mString = Apr.apr_pstrndup(pool, str, size); |
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} |
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[CLSCompliant(false)] |
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public AprString(AprString str, uint size, AprPool pool) |
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{ |
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mString = Apr.apr_pstrndup(pool, str, size); |
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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( mString == IntPtr.Zero ); |
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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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public void ClearPtr() |
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{ |
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mString = IntPtr.Zero; |
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} |
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public IntPtr ToIntPtr() |
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{ |
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return mString; |
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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(AprString str) |
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{ |
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return str.mString; |
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} |
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public static implicit operator AprString(IntPtr ptr) |
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{ |
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return new AprString(ptr); |
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} |
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public override string ToString() |
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{ |
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if( IsNull ) |
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return("[apr_string:NULL]"); |
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else |
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return(Marshal.PtrToStringAnsi(mString)); |
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} |
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#endregion |
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#region Methods wrappers |
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public static AprString Duplicate(AprPool pool, string str) |
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{ |
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return(new AprString(str, pool)); |
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} |
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public static AprString Duplicate(AprPool pool, AprString str) |
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{ |
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return(new AprString(str, pool)); |
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} |
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public static AprString Duplicate(AprPool pool, string str, int size) |
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{ |
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return(new AprString(str, size, pool)); |
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} |
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[CLSCompliant(false)] |
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public static AprString Duplicate(AprPool pool, string str, uint size) |
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{ |
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return(new AprString(str, size, pool)); |
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} |
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public static AprString Duplicate(AprPool pool, AprString str, int size) |
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{ |
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return(new AprString(str, size, pool)); |
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} |
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[CLSCompliant(false)] |
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public static AprString Duplicate(AprPool pool, AprString str, uint size) |
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{ |
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return(new AprString(str, size, pool)); |
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} |
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public unsafe int Length { |
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get { |
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byte *p = (byte *)mString.ToPointer(); |
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while(*p++ != 0); |
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return(unchecked((int)((uint)p-(uint)mString.ToPointer()-1))); |
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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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