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() 
        {
            ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
        }
        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	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	using System.Collections;
8	using System.Runtime.InteropServices;
9	using System.Reflection;
10
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	public class PropertyDictionary : PropertyDictionary<string, object>
30	{
31	public PropertyDictionary() : base()
32	{
33	ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ReadOnlyCollection);
34	}
35	public PropertyDictionary(IPropertyDictionary dictionary) : base(dictionary) { }
36	public PropertyDictionary(IEqualityComparer<string> comparer) : base(comparer) { }
37	public PropertyDictionary(int capacity) :base(capacity) { }
38	public PropertyDictionary(IPropertyDictionary dictionary, IEqualityComparer<string> comparer) : base(dictionary, comparer) { }
39	public PropertyDictionary(int capacity, IEqualityComparer<string> comparer) : base(capacity, comparer) { }
40	protected PropertyDictionary(SerializationInfo info, StreamingContext context) : base(info, context) { }
41	}
42	public class PropertyDictionary<TKey, TValue> : IPropertyDictionary<TKey, TValue>
43	{
44	[StructLayout(LayoutKind.Sequential)]
45	private struct Entry
46	{
47	public int hashCode;
48	public int next;
49	public TKey name;
50	public TValue value;
51	}
52	private Entry[] entries
53	{
54	get{
55	List<Entry> list = new List<Entry>();
56	int index = 0;
57	foreach (var t in properties)
58	{
59	Entry entry = new Entry();
60	entry.hashCode = this.properties.Comparer.GetHashCode(t.Key) & 0x7fffffff;
61	entry.next = index + 1;
62	entry.name = t.Key;
63	entry.value = t.Value;
64	list.Add(entry);
65	index++;
66	}
67	return list.ToArray();
68	}
69	}
70
71	private int version
72	{
73	get
74	{
75	Type t = typeof(Dictionary<TKey, TValue>);
76	var field = t.GetField("version", BindingFlags.NonPublic \| BindingFlags.Instance);
77	var v = Convert.ToInt32(field.GetValue(properties));
78	return v;
79	}
80	}
81	private Dictionary<TKey, TValue> properties;
82	public PropertyDictionary() { properties = new Dictionary<TKey, TValue>(); }
83	public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary) :this() { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
84	public PropertyDictionary(IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(comparer); }
85	public PropertyDictionary(int capacity) { properties = new Dictionary<TKey, TValue>(capacity); }
86	public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary, IEqualityComparer<TKey> comparer) : this(comparer) { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
87	public PropertyDictionary(int capacity, IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(capacity, comparer); }
88	protected PropertyDictionary(SerializationInfo info, StreamingContext context) { }
89	public IPropertyCollection<TKey> PropertyKeys { get { return new PropertyCollection<TKey>(properties.Keys); } }
90	public IPropertyCollection<TValue> PropertyValues { get { return new PropertyCollection<TValue>(properties.Values); } }
91	public TValue this[TKey key]
92	{
93	get
94	{
95	if (this.ContainsProperty(key))
96	{
97	return properties[key];
98	}
99	else
100	{
101	throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", key));
102	}
103	}
104	set
105	{
106	if (this.ContainsProperty(key))
107	{
108	properties[key] = value;
109	}
110	else
111	{
112	throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", key));
113	}
114	}
115	}
116
117	public void AddProperty(TKey key, TValue value) { if (properties.ContainsKey(key)) { this[key] = value; } else { properties.Add(key, value); } }
118	public bool ContainsProperty(TKey key) { return properties.ContainsKey(key); }
119	public bool RemoveProperty(TKey key) { return properties.Remove(key); }
120	public bool TryGetPropertyValue(TKey key, out TValue value) { return properties.TryGetValue(key, out value); }
121	public int PropertyCount { get { return properties.Count; } }
122	public bool IsReadOnly { get { return (properties as ICollection<TKey>).IsReadOnly; } }
123	public void AddProperty(PropertyValuePair<TKey, TValue> item) { AddProperty(item.Name, item.Value); }
124	public void ClearProperties() { properties.Clear(); }
125	public bool ContainsProperty(PropertyValuePair<TKey, TValue> item) { return ContainsProperty(item.Name); }
126	public void CopyPropertiesTo(PropertyValuePair<TKey, TValue>[] array, int arrayIndex)
127	{
128	var list = properties.ToList().Cast<PropertyValuePair<TKey, TValue>>().ToList();
129	list.CopyTo(array, arrayIndex);
130	}
131	public bool RemoveProperty(PropertyValuePair<TKey, TValue> item) { return RemoveProperty(item.Name); }
132	IEnumerator<PropertyValuePair<TKey, TValue>> IEnumerable<PropertyValuePair<TKey, TValue>>.GetEnumerator() { return new PropertyDictionaryEnumerator(this, 2); }
133	System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return properties.GetEnumerator(); }
134
135	#region enumerator support
136	public class PropertyDictionaryEnumerator: IEnumerator<PropertyValuePair<TKey,TValue>>, IDisposable
137	{
138	private PropertyDictionary<TKey, TValue> dictionary;
139	private int index;
140	private PropertyValuePair<TKey, TValue> current;
141	private int getEnumeratorRetType;
142	internal const int DictEntry = 1;
143	internal const int KeyValuePair = 2;
144	private int version;
145	public PropertyDictionaryEnumerator(PropertyDictionary<TKey, TValue> dictionary, int getEnumeratorRetType)
146	{
147	this.dictionary = dictionary;
148	this.version = dictionary.version;
149	this.index = 0;
150	this.getEnumeratorRetType = getEnumeratorRetType;
151	this.current = new PropertyValuePair<TKey, TValue>();
152	}
153
154	public PropertyValuePair<TKey, TValue> Current
155	{
156	get { return this.current; }
157	}
158
159	public void Dispose()
160	{
161	}
162
163	object IEnumerator.Current
164	{
165	get
166	{
167	if ((this.index == 0) \|\| (this.index == (this.dictionary.Count() + 1)))
168	{
169	throw new InvalidOperationException("Operation can't happen");
170	}
171	if (this.getEnumeratorRetType == 1)
172	{
173	return new DictionaryEntry(this.current.Name, this.current.Value);
174	}
175	return new PropertyValuePair<TKey, TValue>(this.current.Name, this.current.Value);
176	}
177	}
178
179	public bool MoveNext()
180	{
181	if (this.version != this.dictionary.version)
182	{
183	ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
184	}
185	while (this.index < this.dictionary.Count())
186	{
187	if (this.dictionary.entries[this.index].hashCode >= 0)
188	{
189	this.current = new KeyValuePair<TKey, TValue>(this.dictionary.entries[this.index].name, this.dictionary.entries[this.index].value);
190	this.index++;
191	return true;
192	}
193	this.index++;
194	}
195	this.index = this.dictionary.Count() + 1;
196	this.current = new PropertyValuePair<TKey, TValue>();
197	return false;
198	}
199	public void Reset()
200	{
201	if (this.version != this.dictionary.version)
202	{
203	ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
204	}
205	this.index = 0;
206	this.current = new KeyValuePair<TKey, TValue>();
207	}
208	}
209	#endregion
210	}
211
212
213	}