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AngleSharp

, 3 Jul 2013 BSD
Bringing the DOM to C# with a HTML5/CSS3 parser written in C#.
AngleSharp
Css
Tokens
DOM
Collections
Css
Properties
Rules
Selector
Values
Enums
Exception
Html
Basic
Formatting
Forms
Frames
Head
Lists
Media
Objects
Semantic
Tables
Interfaces
Mathml
Objects
Svg
Various
Xml
Foundation
Attributes
Helpers
Mutations
Html
Tokens
Properties
Stream
Xml
Tokens
packages
ModernUI.WPF.1.0.4
lib
net40
FirstFloor.ModernUI.dll
Microsoft.Windows.Shell.dll
net45
FirstFloor.ModernUI.dll
ModernUI.WPF.1.0.4.nupkg
ModernUI.WPF.1.0.4.nuspec
OxyPlot.Core.2013.1.49.1
lib
portable-net4+sl4+wp71+win8
OxyPlot.dll
OxyPlot.Core.2013.1.49.1.nupkg
OxyPlot.Core.2013.1.49.1.nuspec
OxyPlot.Wpf.2013.1.49.1
lib
NET40
OxyPlot.Wpf.dll
OxyPlot.Xps.dll
NET45
OxyPlot.Wpf.dll
OxyPlot.Xps.dll
OxyPlot.Wpf.2013.1.49.1.nupkg
OxyPlot.Wpf.2013.1.49.1.nuspec
Samples
Logo.ico
Pages
Properties
ViewModels
Documents
using System;
using System.Collections;
using System.Collections.Generic;

namespace AngleSharp.DOM.Css
{
    /// <summary>
    /// A list of selectors, which is the basis for CompoundSelector and SelectorGroup.
    /// </summary>
    abstract class Selectors : Selector, IEnumerable<Selector>
    {
        #region Members

        protected List<Selector> selectors;

        #endregion

        #region ctor

        /// <summary>
        /// Creates a new selector group.
        /// </summary>
        public Selectors()
        {
            selectors = new List<Selector>();
        }

        #endregion

        #region Properties

        /// <summary>
        /// Gets the specifity index for this chain of selectors.
        /// </summary>
        public override int Specifity
        {
            get 
            {
                int sum = 0;

                for (int i = 0; i < selectors.Count; i++)
                    sum += selectors[i].Specifity;

                return sum;
            }
        }

        /// <summary>
        /// Gets the number of selectors in this group.
        /// </summary>
        public int Length 
        {
            get { return selectors.Count; } 
        }

        /// <summary>
        /// Gets or sets a selector in this group.
        /// </summary>
        /// <param name="index">The index of the selector.</param>
        /// <returns>The selector at the given index.</returns>
        public Selector this[int index]
        {
            get { return selectors[index]; }
            set { selectors[index] = value; }
        }

        #endregion

        #region Methods

        /// <summary>
        /// Appends a selector to the group of selectors.
        /// </summary>
        /// <param name="selector">The selector to append.</param>
        /// <returns>The current group.</returns>
        public Selectors AppendSelector(Selector selector)
        {
            selectors.Add(selector);
            return this;
        }

        /// <summary>
        /// Removes a selector from the group of selectors.
        /// </summary>
        /// <param name="selector">The selector to remove.</param>
        /// <returns>The current group.</returns>
        public Selectors RemoveSelector(Selector selector)
        {
            selectors.Remove(selector);
            return this;
        }

        /// <summary>
        /// Clears the list of selectors.
        /// </summary>
        /// <returns>The current group of selectors.</returns>
        public Selectors ClearSelectors()
        {
            selectors.Clear();
            return this;
        }

        #endregion

        #region IEnumerable implementation

        /// <summary>
        /// Gets the enumerator of selectors.
        /// </summary>
        /// <returns>The specific enumerator.</returns>
        public IEnumerator<Selector> GetEnumerator()
        {
            return selectors.GetEnumerator();
        }

        /// <summary>
        /// Gets the non specified enumerator.
        /// </summary>
        /// <returns>The ocmmon enumerator.</returns>
        IEnumerator IEnumerable.GetEnumerator()
        {
            return ((IEnumerable)selectors).GetEnumerator();
        }

        #endregion
    }
}

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License

This article, along with any associated source code and files, is licensed under The BSD License

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About the Author

Florian Rappl
Architect
Germany Germany
Florian lives in Munich, Germany. He started his programming career with Perl. After programming C/C++ for some years he discovered his favorite programming language C#. He did work at Siemens as a programmer until he decided to study Physics.

During his studies he worked as an IT consultant for various companies. After graduating with a PhD in theoretical particle Physics he is working as a senior technical consultant in the field of home automation and IoT.

Florian has been giving lectures in C#, HTML5 with CSS3 and JavaScript, software design, and other topics. He is regularly giving talks at user groups, conferences, and companies. He is actively contributing to open-source projects. Florian is the maintainer of AngleSharp, a completely managed browser engine.

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