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
            {
                ICollection<T> collection = (items as ICollection<T>);
                if (collection == null)
                {
                    throw new InvalidCastException(string.Format("Unable to cast: '{0}' to '{1}'", items.GetType().Name, typeof(ICollection<T>).Name));
                }
                return collection.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 override string ToString()
        {
            return string.Format("Property Count: {0}", PropertyCount);
        }
    }
    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;
            public override string ToString()
            {
                return new PropertyValuePair<TKey, TValue>(name, value).ToString();
            }
        }
        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
            {
                IDictionary<TKey, TValue> collection = (properties as IDictionary<TKey, TValue>);
                if (collection == null)
                {
                    throw new InvalidCastException(string.Format("Unable to cast: '{0}' to '{1}'", properties.GetType().Name, typeof(IDictionary<TKey, TValue>).Name));
                }
                return collection.IsReadOnly;
            }
        }
        public void AddProperty(IPropertyValuePair<TKey, TValue> item) { AddProperty(item.Name, item.Value); }
        public void ClearProperties() { properties.Clear(); }
        public bool ContainsProperty(IPropertyValuePair<TKey, TValue> item) { return ContainsProperty(item.Name); }
        public void CopyPropertiesTo(IPropertyValuePair<TKey, TValue>[] array, int arrayIndex) 
        {
            var list = properties.ToList().Cast<IPropertyValuePair<TKey, TValue>>().ToList();
            list.CopyTo(array, arrayIndex); 
        }
        public bool RemoveProperty(IPropertyValuePair<TKey, TValue> item) { return RemoveProperty(item.Name); }
        IEnumerator<IPropertyValuePair<TKey, TValue>> IEnumerable<IPropertyValuePair<TKey, TValue>>.GetEnumerator() { return new PropertyDictionaryEnumerator(this, 2); }
        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return properties.GetEnumerator(); }

        public override string ToString()
        {
            return string.Format("Property Count: {0}", PropertyCount);
        }
        #region enumerator support
        public class PropertyDictionaryEnumerator : IEnumerator<IPropertyValuePair<TKey, TValue>>, IDisposable
        {
            private PropertyDictionary<TKey, TValue> dictionary;
            private int index;
            private IPropertyValuePair<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 IPropertyValuePair<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 =(IPropertyValuePair<TKey,TValue>)(PropertyValuePair<TKey,TValue>)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 = (IPropertyValuePair<TKey, TValue>)(PropertyValuePair<TKey, TValue>)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
21	public bool IsReadOnly
22	{
23	get
24	{
25	ICollection<T> collection = (items as ICollection<T>);
26	if (collection == null)
27	{
28	throw new InvalidCastException(string.Format("Unable to cast: '{0}' to '{1}'", items.GetType().Name, typeof(ICollection<T>).Name));
29	}
30	return collection.IsReadOnly;
31	}
32	}
33
34	public void AddProperty(T item) { items.Add(item); }
35	public void ClearProperties() { items.Clear(); }
36	public bool ContainsProperty(T item) { return items.Contains(item); }
37	public void CopyPropertiesTo(T[] array, int arrayIndex) { items.CopyTo(array, arrayIndex); }
38	public bool RemoveProperty(T item) { return items.Remove(item); }
39	public IEnumerator<T> GetEnumerator() { return items.GetEnumerator(); }
40	System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return items.GetEnumerator(); }
41
42	public override string ToString()
43	{
44	return string.Format("Property Count: {0}", PropertyCount);
45	}
46	}
47	public class PropertyDictionary : PropertyDictionary<string, object>, IPropertyDictionary
48	{
49	public PropertyDictionary() : base() { }
50	public PropertyDictionary(IPropertyDictionary dictionary) : base(dictionary) { }
51	public PropertyDictionary(IEqualityComparer<string> comparer) : base(comparer) { }
52	public PropertyDictionary(int capacity) :base(capacity) { }
53	public PropertyDictionary(IPropertyDictionary dictionary, IEqualityComparer<string> comparer) : base(dictionary, comparer) { }
54	public PropertyDictionary(int capacity, IEqualityComparer<string> comparer) : base(capacity, comparer) { }
55	protected PropertyDictionary(SerializationInfo info, StreamingContext context) : base(info, context) { }
56	}
57	public class PropertyDictionary<TKey, TValue> : IPropertyDictionary<TKey, TValue>
58	{
59	[StructLayout(LayoutKind.Sequential)]
60	private struct Entry
61	{
62	public int hashCode;
63	public int next;
64	public TKey name;
65	public TValue value;
66	public override string ToString()
67	{
68	return new PropertyValuePair<TKey, TValue>(name, value).ToString();
69	}
70	}
71	private Entry[] entries
72	{
73	get{
74	List<Entry> list = new List<Entry>();
75	int index = 0;
76	foreach (var t in properties)
77	{
78	Entry entry = new Entry();
79	entry.hashCode = this.properties.Comparer.GetHashCode(t.Key) & 0x7fffffff;
80	entry.next = index + 1;
81	entry.name = t.Key;
82	entry.value = t.Value;
83	list.Add(entry);
84	index++;
85	}
86	return list.ToArray();
87	}
88	}
89
90	private int version
91	{
92	get
93	{
94	Type t = typeof(Dictionary<TKey, TValue>);
95	var field = t.GetField("version", BindingFlags.NonPublic \| BindingFlags.Instance);
96	var v = Convert.ToInt32(field.GetValue(properties));
97	return v;
98	}
99	}
100	private Dictionary<TKey, TValue> properties;
101	public PropertyDictionary() { properties = new Dictionary<TKey, TValue>(); }
102	public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary) :this() { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
103	public PropertyDictionary(IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(comparer); }
104	public PropertyDictionary(int capacity) { properties = new Dictionary<TKey, TValue>(capacity); }
105	public PropertyDictionary(IPropertyDictionary<TKey, TValue> dictionary, IEqualityComparer<TKey> comparer) : this(comparer) { foreach (var d in dictionary) { properties.Add(d.Name, d.Value); } }
106	public PropertyDictionary(int capacity, IEqualityComparer<TKey> comparer) { properties = new Dictionary<TKey, TValue>(capacity, comparer); }
107	protected PropertyDictionary(SerializationInfo info, StreamingContext context) { }
108	public IPropertyCollection<TKey> PropertyKeys { get { return new PropertyCollection<TKey>(properties.Keys); } }
109	public IPropertyCollection<TValue> PropertyValues { get { return new PropertyCollection<TValue>(properties.Values); } }
110	public TValue this[TKey key]
111	{
112	get
113	{
114	if (this.ContainsProperty(key))
115	{
116	return properties[key];
117	}
118	else
119	{
120	throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", key));
121	}
122	}
123	set
124	{
125	if (this.ContainsProperty(key))
126	{
127	properties[key] = value;
128	}
129	else
130	{
131	throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", key));
132	}
133	}
134	}
135
136	public void AddProperty(TKey key, TValue value) { if (properties.ContainsKey(key)) { this[key] = value; } else { properties.Add(key, value); } }
137	public bool ContainsProperty(TKey key) { return properties.ContainsKey(key); }
138	public bool RemoveProperty(TKey key) { return properties.Remove(key); }
139	public bool TryGetPropertyValue(TKey key, out TValue value) { return properties.TryGetValue(key, out value); }
140	public int PropertyCount { get { return properties.Count; } }
141	public bool IsReadOnly
142	{
143	get
144	{
145	IDictionary<TKey, TValue> collection = (properties as IDictionary<TKey, TValue>);
146	if (collection == null)
147	{
148	throw new InvalidCastException(string.Format("Unable to cast: '{0}' to '{1}'", properties.GetType().Name, typeof(IDictionary<TKey, TValue>).Name));
149	}
150	return collection.IsReadOnly;
151	}
152	}
153	public void AddProperty(IPropertyValuePair<TKey, TValue> item) { AddProperty(item.Name, item.Value); }
154	public void ClearProperties() { properties.Clear(); }
155	public bool ContainsProperty(IPropertyValuePair<TKey, TValue> item) { return ContainsProperty(item.Name); }
156	public void CopyPropertiesTo(IPropertyValuePair<TKey, TValue>[] array, int arrayIndex)
157	{
158	var list = properties.ToList().Cast<IPropertyValuePair<TKey, TValue>>().ToList();
159	list.CopyTo(array, arrayIndex);
160	}
161	public bool RemoveProperty(IPropertyValuePair<TKey, TValue> item) { return RemoveProperty(item.Name); }
162	IEnumerator<IPropertyValuePair<TKey, TValue>> IEnumerable<IPropertyValuePair<TKey, TValue>>.GetEnumerator() { return new PropertyDictionaryEnumerator(this, 2); }
163	System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return properties.GetEnumerator(); }
164
165	public override string ToString()
166	{
167	return string.Format("Property Count: {0}", PropertyCount);
168	}
169	#region enumerator support
170	public class PropertyDictionaryEnumerator : IEnumerator<IPropertyValuePair<TKey, TValue>>, IDisposable
171	{
172	private PropertyDictionary<TKey, TValue> dictionary;
173	private int index;
174	private IPropertyValuePair<TKey, TValue> current;
175	private int getEnumeratorRetType;
176	internal const int DictEntry = 1;
177	internal const int KeyValuePair = 2;
178	private int version;
179	public PropertyDictionaryEnumerator(PropertyDictionary<TKey, TValue> dictionary, int getEnumeratorRetType)
180	{
181	this.dictionary = dictionary;
182	this.version = dictionary.version;
183	this.index = 0;
184	this.getEnumeratorRetType = getEnumeratorRetType;
185	this.current = new PropertyValuePair<TKey, TValue>();
186	}
187
188	public IPropertyValuePair<TKey, TValue> Current
189	{
190	get { return this.current; }
191	}
192
193	public void Dispose()
194	{
195	}
196
197	object IEnumerator.Current
198	{
199	get
200	{
201	if ((this.index == 0) \|\| (this.index == (this.dictionary.Count() + 1)))
202	{
203	throw new InvalidOperationException("Operation can't happen");
204	}
205	if (this.getEnumeratorRetType == 1)
206	{
207	return new DictionaryEntry(this.current.Name, this.current.Value);
208	}
209	return new PropertyValuePair<TKey, TValue>(this.current.Name, this.current.Value);
210	}
211	}
212
213	public bool MoveNext()
214	{
215	if (this.version != this.dictionary.version)
216	{
217	ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
218	}
219	while (this.index < this.dictionary.Count())
220	{
221	if (this.dictionary.entries[this.index].hashCode >= 0)
222	{
223	this.current =(IPropertyValuePair<TKey,TValue>)(PropertyValuePair<TKey,TValue>)new KeyValuePair<TKey, TValue>(this.dictionary.entries[this.index].name, this.dictionary.entries[this.index].value);
224	this.index++;
225	return true;
226	}
227	this.index++;
228	}
229	this.index = this.dictionary.Count() + 1;
230	this.current = new PropertyValuePair<TKey, TValue>();
231	return false;
232	}
233	public void Reset()
234	{
235	if (this.version != this.dictionary.version)
236	{
237	ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumFailedVersion);
238	}
239	this.index = 0;
240	this.current = (IPropertyValuePair<TKey, TValue>)(PropertyValuePair<TKey, TValue>)new KeyValuePair<TKey, TValue>();
241	}
242	}
243	#endregion
244	}
245
246
247	}