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>, IPropertyDictionary
    {
        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 IPropertyCollection<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>, IPropertyDictionary
30	{
31	public PropertyDictionary() : base() { }
32	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	public class PropertyDictionary<TKey, TValue> : IPropertyDictionary<TKey, TValue>
40	{
41	[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	private Dictionary<TKey, TValue> properties;
79	public PropertyDictionary() { properties = new Dictionary<TKey, TValue>(); }
80	public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary) :this() { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
81	public PropertyDictionary(IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(comparer); }
82	public PropertyDictionary(int capacity) { properties = new Dictionary<TKey, TValue>(capacity); }
83	public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary, IEqualityComparer<TKey> comparer) : this(comparer) { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
84	public PropertyDictionary(int capacity, IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(capacity, comparer); }
85	protected PropertyDictionary(SerializationInfo info, StreamingContext context) { }
86	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 IPropertyCollection<TKey>).IsReadOnly; } }
120	public void AddProperty(PropertyValuePair<TKey, TValue> item) { AddProperty(item.Name, item.Value); }
121	public void ClearProperties() { properties.Clear(); }
122	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	System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return properties.GetEnumerator(); }
131
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	this.version = dictionary.version;
146	this.index = 0;
147	this.getEnumeratorRetType = getEnumeratorRetType;
148	this.current = new PropertyValuePair<TKey, TValue>();
149	}
150
151	public PropertyValuePair<TKey, TValue> Current
152	{
153	get { return this.current; }
154	}
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	}
208
209
210	}