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Diffstat (limited to 'docs/HtmlAgilityPack/HtmlAttributeCollection.cs')
| -rw-r--r-- | docs/HtmlAgilityPack/HtmlAttributeCollection.cs | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/docs/HtmlAgilityPack/HtmlAttributeCollection.cs b/docs/HtmlAgilityPack/HtmlAttributeCollection.cs new file mode 100644 index 00000000000..07af9979ddb --- /dev/null +++ b/docs/HtmlAgilityPack/HtmlAttributeCollection.cs @@ -0,0 +1,394 @@ +// HtmlAgilityPack V1.0 - Simon Mourier <simon underscore mourier at hotmail dot com>
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace HtmlAgilityPack
+{
+ /// <summary>
+ /// Represents a combined list and collection of HTML nodes.
+ /// </summary>
+ public class HtmlAttributeCollection : IList<HtmlAttribute>
+ {
+ #region Fields
+
+ internal Dictionary<string, HtmlAttribute> Hashitems = new Dictionary<string, HtmlAttribute>();
+ private HtmlNode _ownernode;
+ private List<HtmlAttribute> items = new List<HtmlAttribute>();
+
+ #endregion
+
+ #region Constructors
+
+ internal HtmlAttributeCollection(HtmlNode ownernode)
+ {
+ _ownernode = ownernode;
+ }
+
+ #endregion
+
+ #region Properties
+
+ /// <summary>
+ /// Gets a given attribute from the list using its name.
+ /// </summary>
+ public HtmlAttribute this[string name]
+ {
+ get
+ {
+ if (name == null)
+ {
+ throw new ArgumentNullException("name");
+ }
+ return Hashitems.ContainsKey(name.ToLower()) ? Hashitems[name.ToLower()] : null;
+ }
+ set { Append(value); }
+ }
+
+ #endregion
+
+ #region IList<HtmlAttribute> Members
+
+ /// <summary>
+ /// Gets the number of elements actually contained in the list.
+ /// </summary>
+ public int Count
+ {
+ get { return items.Count; }
+ }
+
+ /// <summary>
+ /// Gets readonly status of colelction
+ /// </summary>
+ public bool IsReadOnly
+ {
+ get { return false; }
+ }
+
+ /// <summary>
+ /// Gets the attribute at the specified index.
+ /// </summary>
+ public HtmlAttribute this[int index]
+ {
+ get { return items[index]; }
+ set { items[index] = value; }
+ }
+
+ /// <summary>
+ /// Adds supplied item to collection
+ /// </summary>
+ /// <param name="item"></param>
+ public void Add(HtmlAttribute item)
+ {
+ Append(item);
+ }
+
+ /// <summary>
+ /// Explicit clear
+ /// </summary>
+ void ICollection<HtmlAttribute>.Clear()
+ {
+ items.Clear();
+ }
+
+ /// <summary>
+ /// Retreives existence of supplied item
+ /// </summary>
+ /// <param name="item"></param>
+ /// <returns></returns>
+ public bool Contains(HtmlAttribute item)
+ {
+ return items.Contains(item);
+ }
+
+ /// <summary>
+ /// Copies collection to array
+ /// </summary>
+ /// <param name="array"></param>
+ /// <param name="arrayIndex"></param>
+ public void CopyTo(HtmlAttribute[] array, int arrayIndex)
+ {
+ items.CopyTo(array, arrayIndex);
+ }
+
+ /// <summary>
+ /// Get Explicit enumerator
+ /// </summary>
+ /// <returns></returns>
+ IEnumerator<HtmlAttribute> IEnumerable<HtmlAttribute>.GetEnumerator()
+ {
+ return items.GetEnumerator();
+ }
+
+ /// <summary>
+ /// Explicit non-generic enumerator
+ /// </summary>
+ /// <returns></returns>
+ IEnumerator IEnumerable.GetEnumerator()
+ {
+ return items.GetEnumerator();
+ }
+
+ /// <summary>
+ /// Retrieves the index for the supplied item, -1 if not found
+ /// </summary>
+ /// <param name="item"></param>
+ /// <returns></returns>
+ public int IndexOf(HtmlAttribute item)
+ {
+ return items.IndexOf(item);
+ }
+
+ /// <summary>
+ /// Inserts given item into collection at supplied index
+ /// </summary>
+ /// <param name="index"></param>
+ /// <param name="item"></param>
+ public void Insert(int index, HtmlAttribute item)
+ {
+ if (item == null)
+ {
+ throw new ArgumentNullException("item");
+ }
+
+ Hashitems[item.Name] = item;
+ item._ownernode = _ownernode;
+ items.Insert(index, item);
+
+ _ownernode._innerchanged = true;
+ _ownernode._outerchanged = true;
+ }
+
+ /// <summary>
+ /// Explicit collection remove
+ /// </summary>
+ /// <param name="item"></param>
+ /// <returns></returns>
+ bool ICollection<HtmlAttribute>.Remove(HtmlAttribute item)
+ {
+ return items.Remove(item);
+ }
+
+ /// <summary>
+ /// Removes the attribute at the specified index.
+ /// </summary>
+ /// <param name="index">The index of the attribute to remove.</param>
+ public void RemoveAt(int index)
+ {
+ HtmlAttribute att = items[index];
+ Hashitems.Remove(att.Name);
+ items.RemoveAt(index);
+
+ _ownernode._innerchanged = true;
+ _ownernode._outerchanged = true;
+ }
+
+ #endregion
+
+ #region Public Methods
+
+ /// <summary>
+ /// Adds a new attribute to the collection with the given values
+ /// </summary>
+ /// <param name="name"></param>
+ /// <param name="value"></param>
+ public void Add(string name, string value)
+ {
+ Append(name, value);
+ }
+
+ /// <summary>
+ /// Inserts the specified attribute as the last attribute in the collection.
+ /// </summary>
+ /// <param name="newAttribute">The attribute to insert. May not be null.</param>
+ /// <returns>The appended attribute.</returns>
+ public HtmlAttribute Append(HtmlAttribute newAttribute)
+ {
+ if (newAttribute == null)
+ {
+ throw new ArgumentNullException("newAttribute");
+ }
+
+ Hashitems[newAttribute.Name] = newAttribute;
+ newAttribute._ownernode = _ownernode;
+ items.Add(newAttribute);
+
+ _ownernode._innerchanged = true;
+ _ownernode._outerchanged = true;
+ return newAttribute;
+ }
+
+ /// <summary>
+ /// Creates and inserts a new attribute as the last attribute in the collection.
+ /// </summary>
+ /// <param name="name">The name of the attribute to insert.</param>
+ /// <returns>The appended attribute.</returns>
+ public HtmlAttribute Append(string name)
+ {
+ HtmlAttribute att = _ownernode._ownerdocument.CreateAttribute(name);
+ return Append(att);
+ }
+
+ /// <summary>
+ /// Creates and inserts a new attribute as the last attribute in the collection.
+ /// </summary>
+ /// <param name="name">The name of the attribute to insert.</param>
+ /// <param name="value">The value of the attribute to insert.</param>
+ /// <returns>The appended attribute.</returns>
+ public HtmlAttribute Append(string name, string value)
+ {
+ HtmlAttribute att = _ownernode._ownerdocument.CreateAttribute(name, value);
+ return Append(att);
+ }
+
+ /// <summary>
+ /// Checks for existance of attribute with given name
+ /// </summary>
+ /// <param name="name"></param>
+ /// <returns></returns>
+ public bool Contains(string name)
+ {
+ for (int i = 0; i < items.Count; i++)
+ {
+ if (items[i].Name.Equals(name.ToLower()))
+ return true;
+ }
+ return false;
+ }
+
+ /// <summary>
+ /// Inserts the specified attribute as the first node in the collection.
+ /// </summary>
+ /// <param name="newAttribute">The attribute to insert. May not be null.</param>
+ /// <returns>The prepended attribute.</returns>
+ public HtmlAttribute Prepend(HtmlAttribute newAttribute)
+ {
+ Insert(0, newAttribute);
+ return newAttribute;
+ }
+
+ /// <summary>
+ /// Removes a given attribute from the list.
+ /// </summary>
+ /// <param name="attribute">The attribute to remove. May not be null.</param>
+ public void Remove(HtmlAttribute attribute)
+ {
+ if (attribute == null)
+ {
+ throw new ArgumentNullException("attribute");
+ }
+ int index = GetAttributeIndex(attribute);
+ if (index == -1)
+ {
+ throw new IndexOutOfRangeException();
+ }
+ RemoveAt(index);
+ }
+
+ /// <summary>
+ /// Removes an attribute from the list, using its name. If there are more than one attributes with this name, they will all be removed.
+ /// </summary>
+ /// <param name="name">The attribute's name. May not be null.</param>
+ public void Remove(string name)
+ {
+ if (name == null)
+ {
+ throw new ArgumentNullException("name");
+ }
+
+ string lname = name.ToLower();
+ for (int i = 0; i < items.Count; i++)
+ {
+ HtmlAttribute att = items[i];
+ if (att.Name == lname)
+ {
+ RemoveAt(i);
+ }
+ }
+ }
+
+ /// <summary>
+ /// Remove all attributes in the list.
+ /// </summary>
+ public void RemoveAll()
+ {
+ Hashitems.Clear();
+ items.Clear();
+
+ _ownernode._innerchanged = true;
+ _ownernode._outerchanged = true;
+ }
+
+ #endregion
+
+ #region LINQ Methods
+
+ /// <summary>
+ /// Returns all attributes with specified name. Handles case insentivity
+ /// </summary>
+ /// <param name="attributeName">Name of the attribute</param>
+ /// <returns></returns>
+ public IEnumerable<HtmlAttribute> AttributesWithName(string attributeName)
+ {
+ attributeName = attributeName.ToLower();
+ for (int i = 0; i < items.Count; i++)
+ {
+ if (items[i].Name.Equals(attributeName))
+ yield return items[i];
+ }
+ }
+
+ /// <summary>
+ /// Removes all attributes from the collection
+ /// </summary>
+ public void Remove()
+ {
+ foreach (HtmlAttribute item in items)
+ item.Remove();
+ }
+
+ #endregion
+
+ #region Internal Methods
+
+ /// <summary>
+ /// Clears the attribute collection
+ /// </summary>
+ internal void Clear()
+ {
+ Hashitems.Clear();
+ items.Clear();
+ }
+
+ internal int GetAttributeIndex(HtmlAttribute attribute)
+ {
+ if (attribute == null)
+ {
+ throw new ArgumentNullException("attribute");
+ }
+ for (int i = 0; i < items.Count; i++)
+ {
+ if ((items[i]) == attribute)
+ return i;
+ }
+ return -1;
+ }
+
+ internal int GetAttributeIndex(string name)
+ {
+ if (name == null)
+ {
+ throw new ArgumentNullException("name");
+ }
+ string lname = name.ToLower();
+ for (int i = 0; i < items.Count; i++)
+ {
+ if ((items[i]).Name == lname)
+ return i;
+ }
+ return -1;
+ }
+
+ #endregion
+ }
+}
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