125 lines
3.0 KiB
C#
125 lines
3.0 KiB
C#
//
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// System.Diagnostics.EventLogEntryCollection.cs
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//
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// Authors:
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// Jonathan Pryor (jonpryor@vt.edu)
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//
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// (C) 2002 Jonathan Pryor
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.Diagnostics;
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namespace System.Diagnostics {
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public class EventLogEntryCollection : ICollection, IEnumerable {
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readonly EventLogImpl _impl;
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internal EventLogEntryCollection(EventLogImpl impl)
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{
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_impl = impl;
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}
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public int Count {
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get { return _impl.EntryCount; }
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}
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public virtual EventLogEntry this [int index] {
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get { return _impl[index]; }
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}
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bool ICollection.IsSynchronized {
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get { return false; }
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}
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object ICollection.SyncRoot {
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get { return this; }
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}
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public void CopyTo (EventLogEntry[] entries, int index)
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{
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EventLogEntry[] evLogEntries = _impl.GetEntries ();
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Array.Copy (evLogEntries, 0, entries, index, evLogEntries.Length);
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}
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public IEnumerator GetEnumerator ()
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{
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return new EventLogEntryEnumerator (_impl);
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}
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void ICollection.CopyTo (Array array, int index)
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{
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EventLogEntry[] entries = _impl.GetEntries ();
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Array.Copy (entries, 0, array, index, entries.Length);
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}
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private class EventLogEntryEnumerator : IEnumerator
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{
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internal EventLogEntryEnumerator (EventLogImpl impl)
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{
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_impl = impl;
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}
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object IEnumerator.Current {
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get { return Current; }
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}
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public EventLogEntry Current {
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get {
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if (_currentEntry != null)
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return _currentEntry;
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throw new InvalidOperationException ("No current EventLog"
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+ " entry available, cursor is located before the first"
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+ " or after the last element of the enumeration.");
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}
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}
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public bool MoveNext ()
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{
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_currentIndex++;
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if (_currentIndex >= _impl.EntryCount) {
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_currentEntry = null;
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return false;
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}
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_currentEntry = _impl [_currentIndex];
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return true;
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}
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public void Reset ()
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{
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_currentIndex = - 1;
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}
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readonly EventLogImpl _impl;
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int _currentIndex = -1;
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EventLogEntry _currentEntry;
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}
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}
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}
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