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/*
* [The "BSD licence"]
* Copyright (c) 2005-2008 Terence Parr
* All rights reserved.
*
* Conversion to C#:
* Copyright (c) 2008 Sam Harwell, Pixel Mine, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
namespace Antlr.Runtime.JavaExtensions
{
using System.Collections.Generic;
using System.Linq;
using IDictionary = System.Collections.IDictionary;
using ObsoleteAttribute = System.ObsoleteAttribute;
public static class DictionaryExtensions
{
[Obsolete]
public static bool containsKey( this IDictionary map, object key )
{
return map.Contains( key );
}
[Obsolete]
public static object get( this IDictionary map, object key )
{
return map[key];
}
public static TValue get<TKey, TValue>( this IDictionary<TKey, TValue> map, TKey key )
{
TValue value;
if ( map.TryGetValue( key, out value ) )
return value;
if ( typeof( TValue ).IsValueType )
throw new KeyNotFoundException();
return default( TValue );
}
// disambiguates
public static TValue get<TKey, TValue>( this Dictionary<TKey, TValue> map, TKey key )
{
TValue value;
if ( map.TryGetValue( key, out value ) )
return value;
if ( typeof( TValue ).IsValueType )
throw new KeyNotFoundException();
return default( TValue );
}
public static TValue get<TKey, TValue>( this SortedList<TKey, TValue> map, TKey key )
{
TValue value;
if ( map.TryGetValue( key, out value ) )
return value;
if ( typeof( TValue ).IsValueType )
throw new KeyNotFoundException();
return default( TValue );
}
[Obsolete]
public static void put( this IDictionary map, object key, object value )
{
map[key] = value;
}
[Obsolete]
public static void put<TKey, TValue>( this IDictionary<TKey, TValue> map, TKey key, TValue value )
{
map[key] = value;
}
[Obsolete]
public static void put<TKey, TValue>( this Dictionary<TKey, TValue> map, TKey key, TValue value )
{
map[key] = value;
}
[Obsolete]
public static HashSet<object> keySet( this IDictionary map )
{
return new HashSet<object>( map.Keys.Cast<object>() );
}
[Obsolete]
public static HashSet<TKey> keySet<TKey, TValue>( this IDictionary<TKey, TValue> map )
{
return new HashSet<TKey>( map.Keys );
}
// disambiguates for Dictionary, which implements both IDictionary<T,K> and IDictionary
[Obsolete]
public static HashSet<TKey> keySet<TKey, TValue>( this Dictionary<TKey, TValue> map )
{
return new HashSet<TKey>( map.Keys );
}
[Obsolete]
public static HashSet<object> keySet<TKey, TValue>( this SortedList<TKey, TValue> map )
{
return new HashSet<object>( map.Keys.Cast<object>() );
}
}
}
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