libxmltv/Core/PropertyDictionary.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using libxmltv.Interfaces;
using System.Runtime.Serialization;
using System.Collections;
using System.Runtime.InteropServices;
using System.Reflection;

namespace libxmltv.Core
{

    public class PropertyCollection<T> : IPropertyCollection<T>
    {
        private List<T> items = new List<T>();
        public PropertyCollection() : this(new List<T>()) { }
        public PropertyCollection(ICollection<T> collection) { foreach (var t in collection) { items.Add(t); } }
        public int PropertyCount { get { return items.Count; } }
        public bool IsReadOnly { get { return (items as ICollection<T>).IsReadOnly; } }
        public void AddProperty(T item) { items.Add(item); }
        public void ClearProperties() { items.Clear(); }
        public bool ContainsProperty(T item) { return items.Contains(item); }
        public void CopyPropertiesTo(T[] array, int arrayIndex) { items.CopyTo(array, arrayIndex); }
        public bool RemoveProperty(T item) { return items.Remove(item); }
        public IEnumerator<T> GetEnumerator() { return items.GetEnumerator(); }
        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return items.GetEnumerator(); }
    }
    public class PropertyDictionary : PropertyDictionary<string, object> 
    {
        public PropertyDictionary() : base() { }
        public PropertyDictionary(IPropertyDictionary dictionary) : base(dictionary) { }
        public PropertyDictionary(IEqualityComparer<string> comparer) : base(comparer) { }
        public PropertyDictionary(int capacity) :base(capacity) { }
        public PropertyDictionary(IPropertyDictionary dictionary, IEqualityComparer<string> comparer) : base(dictionary, comparer) { }
        public PropertyDictionary(int capacity, IEqualityComparer<string> comparer) : base(capacity, comparer) { }
        protected PropertyDictionary(SerializationInfo info, StreamingContext context) : base(info, context) { }
    }
    public class PropertyDictionary<TKey, TValue> : IPropertyDictionary<TKey, TValue>
    {
        [StructLayout(LayoutKind.Sequential)]
        private struct Entry
        {
            public int hashCode;
            public int next;
            public TKey name;
            public TValue value;
        }
        private Entry[] entries
        {
           get{
               List<Entry> list = new List<Entry>();
               int index = 0;
               foreach (var t in properties)
               {
                   Entry entry = new Entry();
                   entry.hashCode = this.properties.Comparer.GetHashCode(t.Key) & 0x7fffffff;
                   entry.next = index + 1;
                   entry.name = t.Key;
                   entry.value = t.Value;
                   list.Add(entry);
                   index++;
               }
               return list.ToArray();
           }
        }

        private int version
        {
            get
            {
                Type t = typeof(Dictionary<TKey, TValue>);
                var field = t.GetField("version", BindingFlags.NonPublic | BindingFlags.Instance);
                var v = Convert.ToInt32(field.GetValue(properties));
                return v;
            }
        }
        private Dictionary<TKey, TValue> properties;
        public PropertyDictionary() { properties = new Dictionary<TKey, TValue>(); }
        public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary) :this() { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
        public PropertyDictionary(IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(comparer); }
        public PropertyDictionary(int capacity) { properties = new Dictionary<TKey, TValue>(capacity); }
        public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary, IEqualityComparer<TKey> comparer) : this(comparer) { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
        public PropertyDictionary(int capacity, IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(capacity, comparer); }
        protected PropertyDictionary(SerializationInfo info, StreamingContext context) { }
        public IPropertyCollection<TKey> PropertyKeys { get { return new PropertyCollection<TKey>(properties.Keys); } }
        public IPropertyCollection<TValue> PropertyValues { get { return new PropertyCollection<TValue>(properties.Values); } }
        public TValue this[TKey key]
        {
            get
            {
                if (this.ContainsProperty(key))
                {
                    return properties[key];
                }
                else
                {
                    throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", key));
                }
            }
            set
            {
                if (this.ContainsProperty(key))
                {
                    properties[key] = value;
                }
                else
                {
                    throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", key));
                }
            }
        }

        public void AddProperty(TKey key, TValue value) { if (properties.ContainsKey(key)) { this[key] = value; } else { properties.Add(key, value); } }
        public bool ContainsProperty(TKey key) { return properties.ContainsKey(key); }
        public bool RemoveProperty(TKey key) { return properties.Remove(key); }
        public bool TryGetPropertyValue(TKey key, out TValue value) { return properties.TryGetValue(key, out value); }
        public int PropertyCount { get { return properties.Count; } }
        public bool IsReadOnly { get { return (properties as ICollection<TKey>).IsReadOnly; } }
        public void AddProperty(PropertyValuePair<TKey, TValue> item) { AddProperty(item.Name, item.Value); }
        public void ClearProperties() { properties.Clear(); }
        public bool ContainsProperty(PropertyValuePair<TKey, TValue> item) { return ContainsProperty(item.Name); }
        public void CopyPropertiesTo(PropertyValuePair<TKey, TValue>[] array, int arrayIndex) 
        {
            var list = properties.ToList().Cast<PropertyValuePair<TKey, TValue>>().ToList();
            list.CopyTo(array, arrayIndex); 
        }
        public bool RemoveProperty(PropertyValuePair<TKey, TValue> item) { return RemoveProperty(item.Name); }
        IEnumerator<PropertyValuePair<TKey, TValue>> IEnumerable<PropertyValuePair<TKey, TValue>>.GetEnumerator() { return new PropertyDictionaryEnumerator(this, 2); }
        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return properties.GetEnumerator(); }

        #region enumerator support
        public class PropertyDictionaryEnumerator: IEnumerator<PropertyValuePair<TKey,TValue>>, IDisposable
        {
            private PropertyDictionary<TKey, TValue> dictionary;
            private int index;
            private PropertyValuePair<TKey, TValue> current;
            private int getEnumeratorRetType;
            internal const int DictEntry = 1;
            internal const int KeyValuePair = 2;
            private int version;
            public PropertyDictionaryEnumerator(PropertyDictionary<TKey, TValue> dictionary, int getEnumeratorRetType) 
            {
                this.dictionary = dictionary;
                this.version = dictionary.version;
                this.index = 0;
                this.getEnumeratorRetType = getEnumeratorRetType;
                this.current = new PropertyValuePair<TKey, TValue>();
            }

            public PropertyValuePair<TKey, TValue> Current
            {
                get { return this.current; }
            }

            public void Dispose()
            {
            }

            object IEnumerator.Current
            {
                get
                {
                    if ((this.index == 0) || (this.index == (this.dictionary.Count() + 1)))
                    {
                        throw new InvalidOperationException("Operation can't happen");
                    }
                    if (this.getEnumeratorRetType == 1)
                    {
                        return new DictionaryEntry(this.current.Name, this.current.Value);
                    }
                    return new PropertyValuePair<TKey, TValue>(this.current.Name, this.current.Value);
                }
            }

            public bool MoveNext()
            {
                if (this.version != this.dictionary.version)
                {
                    ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
                }
                while (this.index < this.dictionary.Count())
                {
                    if (this.dictionary.entries[this.index].hashCode >= 0)
                    {
                        this.current = new KeyValuePair<TKey, TValue>(this.dictionary.entries[this.index].name, this.dictionary.entries[this.index].value);
                        this.index++;
                        return true;
                    }
                    this.index++;
                }
                this.index = this.dictionary.Count() + 1;
                this.current = new PropertyValuePair<TKey, TValue>();
                return false;
            }
            public void Reset()
            {
                if (this.version != this.dictionary.version)
                {
                    ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
                }
                this.index = 0;
                this.current = new KeyValuePair<TKey, TValue>();
            }
        }
        #endregion   
    }

   
}
1	william	90	using System;
2			using System.Collections.Generic;
3			using System.Linq;
4			using System.Text;
5			using libxmltv.Interfaces;
6			using System.Runtime.Serialization;
7	william	92	using System.Collections;
8			using System.Runtime.InteropServices;
9			using System.Reflection;
10	william	90
11			namespace libxmltv.Core
12			{
13
14			public class PropertyCollection<T> : IPropertyCollection<T>
15			{
16			private List<T> items = new List<T>();
17			public PropertyCollection() : this(new List<T>()) { }
18			public PropertyCollection(ICollection<T> collection) { foreach (var t in collection) { items.Add(t); } }
19			public int PropertyCount { get { return items.Count; } }
20			public bool IsReadOnly { get { return (items as ICollection<T>).IsReadOnly; } }
21			public void AddProperty(T item) { items.Add(item); }
22			public void ClearProperties() { items.Clear(); }
23			public bool ContainsProperty(T item) { return items.Contains(item); }
24			public void CopyPropertiesTo(T[] array, int arrayIndex) { items.CopyTo(array, arrayIndex); }
25			public bool RemoveProperty(T item) { return items.Remove(item); }
26			public IEnumerator<T> GetEnumerator() { return items.GetEnumerator(); }
27			System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return items.GetEnumerator(); }
28			}
29	william	92	public class PropertyDictionary : PropertyDictionary<string, object>
30			{
31	william	94	public PropertyDictionary() : base() { }
32	william	92	public PropertyDictionary(IPropertyDictionary dictionary) : base(dictionary) { }
33			public PropertyDictionary(IEqualityComparer<string> comparer) : base(comparer) { }
34			public PropertyDictionary(int capacity) :base(capacity) { }
35			public PropertyDictionary(IPropertyDictionary dictionary, IEqualityComparer<string> comparer) : base(dictionary, comparer) { }
36			public PropertyDictionary(int capacity, IEqualityComparer<string> comparer) : base(capacity, comparer) { }
37			protected PropertyDictionary(SerializationInfo info, StreamingContext context) : base(info, context) { }
38			}
39	william	90	public class PropertyDictionary<TKey, TValue> : IPropertyDictionary<TKey, TValue>
40			{
41	william	92	[StructLayout(LayoutKind.Sequential)]
42			private struct Entry
43			{
44			public int hashCode;
45			public int next;
46			public TKey name;
47			public TValue value;
48			}
49			private Entry[] entries
50			{
51			get{
52			List<Entry> list = new List<Entry>();
53			int index = 0;
54			foreach (var t in properties)
55			{
56			Entry entry = new Entry();
57			entry.hashCode = this.properties.Comparer.GetHashCode(t.Key) & 0x7fffffff;
58			entry.next = index + 1;
59			entry.name = t.Key;
60			entry.value = t.Value;
61			list.Add(entry);
62			index++;
63			}
64			return list.ToArray();
65			}
66			}
67
68			private int version
69			{
70			get
71			{
72			Type t = typeof(Dictionary<TKey, TValue>);
73			var field = t.GetField("version", BindingFlags.NonPublic \| BindingFlags.Instance);
74			var v = Convert.ToInt32(field.GetValue(properties));
75			return v;
76			}
77			}
78	william	90	private Dictionary<TKey, TValue> properties;
79			public PropertyDictionary() { properties = new Dictionary<TKey, TValue>(); }
80	william	92	public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary) :this() { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
81	william	90	public PropertyDictionary(IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(comparer); }
82			public PropertyDictionary(int capacity) { properties = new Dictionary<TKey, TValue>(capacity); }
83	william	92	public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary, IEqualityComparer<TKey> comparer) : this(comparer) { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
84	william	90	public PropertyDictionary(int capacity, IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(capacity, comparer); }
85	william	92	protected PropertyDictionary(SerializationInfo info, StreamingContext context) { }
86	william	90	public IPropertyCollection<TKey> PropertyKeys { get { return new PropertyCollection<TKey>(properties.Keys); } }
87			public IPropertyCollection<TValue> PropertyValues { get { return new PropertyCollection<TValue>(properties.Values); } }
88			public TValue this[TKey key]
89			{
90			get
91			{
92			if (this.ContainsProperty(key))
93			{
94			return properties[key];
95			}
96			else
97			{
98			throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", key));
99			}
100			}
101			set
102			{
103			if (this.ContainsProperty(key))
104			{
105			properties[key] = value;
106			}
107			else
108			{
109			throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", key));
110			}
111			}
112			}
113
114			public void AddProperty(TKey key, TValue value) { if (properties.ContainsKey(key)) { this[key] = value; } else { properties.Add(key, value); } }
115			public bool ContainsProperty(TKey key) { return properties.ContainsKey(key); }
116			public bool RemoveProperty(TKey key) { return properties.Remove(key); }
117			public bool TryGetPropertyValue(TKey key, out TValue value) { return properties.TryGetValue(key, out value); }
118			public int PropertyCount { get { return properties.Count; } }
119			public bool IsReadOnly { get { return (properties as ICollection<TKey>).IsReadOnly; } }
120	william	92	public void AddProperty(PropertyValuePair<TKey, TValue> item) { AddProperty(item.Name, item.Value); }
121	william	90	public void ClearProperties() { properties.Clear(); }
122	william	92	public bool ContainsProperty(PropertyValuePair<TKey, TValue> item) { return ContainsProperty(item.Name); }
123			public void CopyPropertiesTo(PropertyValuePair<TKey, TValue>[] array, int arrayIndex)
124			{
125			var list = properties.ToList().Cast<PropertyValuePair<TKey, TValue>>().ToList();
126			list.CopyTo(array, arrayIndex);
127			}
128			public bool RemoveProperty(PropertyValuePair<TKey, TValue> item) { return RemoveProperty(item.Name); }
129			IEnumerator<PropertyValuePair<TKey, TValue>> IEnumerable<PropertyValuePair<TKey, TValue>>.GetEnumerator() { return new PropertyDictionaryEnumerator(this, 2); }
130	william	90	System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return properties.GetEnumerator(); }
131	william	92
132			#region enumerator support
133			public class PropertyDictionaryEnumerator: IEnumerator<PropertyValuePair<TKey,TValue>>, IDisposable
134			{
135			private PropertyDictionary<TKey, TValue> dictionary;
136			private int index;
137			private PropertyValuePair<TKey, TValue> current;
138			private int getEnumeratorRetType;
139			internal const int DictEntry = 1;
140			internal const int KeyValuePair = 2;
141			private int version;
142			public PropertyDictionaryEnumerator(PropertyDictionary<TKey, TValue> dictionary, int getEnumeratorRetType)
143			{
144			this.dictionary = dictionary;
145	william	93	this.version = dictionary.version;
146			this.index = 0;
147	william	92	this.getEnumeratorRetType = getEnumeratorRetType;
148	william	93	this.current = new PropertyValuePair<TKey, TValue>();
149	william	92	}
150
151			public PropertyValuePair<TKey, TValue> Current
152			{
153	william	93	get { return this.current; }
154	william	92	}
155
156			public void Dispose()
157			{
158			}
159
160			object IEnumerator.Current
161			{
162			get
163			{
164			if ((this.index == 0) \|\| (this.index == (this.dictionary.Count() + 1)))
165			{
166			throw new InvalidOperationException("Operation can't happen");
167			}
168			if (this.getEnumeratorRetType == 1)
169			{
170			return new DictionaryEntry(this.current.Name, this.current.Value);
171			}
172			return new PropertyValuePair<TKey, TValue>(this.current.Name, this.current.Value);
173			}
174			}
175
176			public bool MoveNext()
177			{
178			if (this.version != this.dictionary.version)
179			{
180			ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
181			}
182			while (this.index < this.dictionary.Count())
183			{
184			if (this.dictionary.entries[this.index].hashCode >= 0)
185			{
186			this.current = new KeyValuePair<TKey, TValue>(this.dictionary.entries[this.index].name, this.dictionary.entries[this.index].value);
187			this.index++;
188			return true;
189			}
190			this.index++;
191			}
192			this.index = this.dictionary.Count() + 1;
193			this.current = new PropertyValuePair<TKey, TValue>();
194			return false;
195			}
196			public void Reset()
197			{
198			if (this.version != this.dictionary.version)
199			{
200			ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
201			}
202			this.index = 0;
203			this.current = new KeyValuePair<TKey, TValue>();
204			}
205			}
206			#endregion
207	william	90	}
208
209	william	92
210	william	90	}