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FastJavaByteArrayEnumerator.cs
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FastJavaByteArrayEnumerator.cs
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// <copyright company="APX Labs, Inc.">
// Copyright (c) APX Labs, Inc. All rights reserved.
// </copyright>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
using System;
using System.Collections.Generic;
namespace ApxLabs.FastAndroidCamera
{
internal class FastJavaByteArrayEnumerator : IEnumerator<byte>
{
internal FastJavaByteArrayEnumerator(FastJavaByteArray arr)
{
if (arr == null)
throw new ArgumentNullException();
_arr = arr;
_idx = 0;
}
/// <summary>
/// Gets the current byte in the collection.
/// </summary>
public byte Current
{
get
{
byte retval;
unsafe
{
// get value from pointer
retval = _arr.Raw[_idx];
}
return retval;
}
}
/// <summary>
/// Releases all resource used by the <see cref="T:ApxLabs.FastAndroidCamera.FastJavaByteArrayEnumerator"/> object.
/// </summary>
/// <remarks>Call <see cref="Dispose"/> when you are finished using the
/// <see cref="T:ApxLabs.FastAndroidCamera.FastJavaByteArrayEnumerator"/>. The <see cref="Dispose"/> method leaves the
/// <see cref="T:ApxLabs.FastAndroidCamera.FastJavaByteArrayEnumerator"/> in an unusable state. After calling
/// <see cref="Dispose"/>, you must release all references to the
/// <see cref="T:ApxLabs.FastAndroidCamera.FastJavaByteArrayEnumerator"/> so the garbage collector can reclaim the
/// memory that the <see cref="T:ApxLabs.FastAndroidCamera.FastJavaByteArrayEnumerator"/> was occupying.</remarks>
public void Dispose()
{
}
/// <summary>
/// Advances the enumerator to the next element of the collection.
/// </summary>
/// <returns><c>true</c> if the enumerator was successfully advanced to the next element; <c>false</c> if the enumerator has passed the end of the collection.</returns>
public bool MoveNext()
{
if (_idx > _arr.Count)
return false;
++_idx;
return _idx < _arr.Count;
}
/// <summary>
/// Sets the enumerator to its initial position, which is before the first element in the collection.
/// </summary>
public void Reset()
{
_idx = 0;
}
#region IEnumerator implementation
/// <summary>
/// Gets the current element in the collection.
/// </summary>
/// <value>The system. collections. IE numerator. current.</value>
object System.Collections.IEnumerator.Current
{
get
{
byte retval;
unsafe
{
// get value from pointer
retval = _arr.Raw[_idx];
}
return retval;
}
}
#endregion
FastJavaByteArray _arr;
int _idx;
}
}