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--- trunk/libxmltv/Core/PropertyDictionary.cs 2013/03/09 17:42:34 90
+++ trunk/libxmltv/Core/PropertyDictionary.cs 2013/03/10 08:44:53 93
@@ -4,6 +4,9 @@
using System.Text;
using libxmltv.Interfaces;
using System.Runtime.Serialization;
+using System.Collections;
+using System.Runtime.InteropServices;
+using System.Reflection;
namespace libxmltv.Core
{
@@ -23,19 +26,66 @@
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) { properties = new Dictionary<TKey, TValue>(); foreach (var d in dictionary) { properties.Add(d.Key, d.Value); } }
+ 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.Key, d.Value); } }
+ 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)
- {
- }
+ 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]
@@ -70,17 +120,94 @@
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(KeyValuePair<TKey, TValue> item) { AddProperty(item.Key, item.Value); }
+ public void AddProperty(PropertyValuePair<TKey, TValue> item) { AddProperty(item.Name, item.Value); }
public void ClearProperties() { properties.Clear(); }
- public bool ContainsProperty(KeyValuePair<TKey, TValue> item) { return ContainsProperty(item.Key); }
- public void CopyPropertiesTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex) { var list = properties.ToList(); list.CopyTo(array, arrayIndex); }
- public bool RemoveProperty(KeyValuePair<TKey, TValue> item) { return RemoveProperty(item.Key); }
- public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator() { return properties.GetEnumerator(); }
+ 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(); }
-
- }
- public class PropertyDictionary : PropertyDictionary<string, object>
- {
+ #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
}
+
+
}
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