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AngleSharp

, 3 Jul 2013 BSD
Bringing the DOM to C# with a HTML5/CSS3 parser written in C#.
Demo.zip
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
Settings.settings
ViewModels
Source.zip
Documents
using System;
using System.Diagnostics;

namespace AngleSharp.Html
{
    /// <summary>
    /// The abstract base class of any token.
    /// </summary>
    [DebuggerStepThrough]
    abstract class HtmlToken
    {
        #region Factory

        /// <summary>
        /// Gets the end of file token.
        /// </summary>
        public static HtmlEndOfFileToken EOF
        {
            get { return eof ?? (eof = new HtmlEndOfFileToken()); }
        }

        static HtmlCharacterToken buffer = new HtmlCharacterToken();

        /// <summary>
        /// Creates a new HTML character token based on the given character.
        /// </summary>
        /// <param name="character">The character to contain.</param>
        /// <returns>The generated token.</returns>
        [DebuggerStepThrough]
        public static HtmlCharacterToken Character(Char character)
        {
            return new HtmlCharacterToken(character);
        }

        /// <summary>
        /// Creates a new HTML characters token based on the given characters.
        /// </summary>
        /// <param name="character1">The first character to contain.</param>
        /// <param name="character2">The second character to contain.</param>
        /// <returns>The generated token.</returns>
        [DebuggerStepThrough]
        public static HtmlCharactersToken Characters(Char character1, Char character2)
        {
            return new HtmlCharactersToken(new Char[] { character1, character2 });
        }

        /// <summary>
        /// Creates a new HTML characters token based on the given characters.
        /// </summary>
        /// <param name="characters">The characters to contain.</param>
        /// <returns>The generated token.</returns>
        [DebuggerStepThrough]
        public static HtmlCharactersToken Characters(Char[] characters)
        {
            return new HtmlCharactersToken(characters);
        }

        /// <summary>
        /// Creates a new HTML characters token based on the given characters.
        /// </summary>
        /// <param name="characters">The characters to contain.</param>
        /// <returns>The generated token.</returns>
        [DebuggerStepThrough]
        public static HtmlCharactersToken Characters(String characters)
        {
            return new HtmlCharactersToken(characters);
        }

        /// <summary>
        /// Creates a new HTML comment token based on the given string.
        /// </summary>
        /// <param name="comment">The comment to contain.</param>
        /// <returns>The generated token.</returns>
        [DebuggerStepThrough]
        public static HtmlCommentToken Comment(String comment)
        {
            return new HtmlCommentToken(comment);
        }

        /// <summary>
        /// Creates a new HTML doctype token.
        /// </summary>
        /// <param name="quirksmode">Determines if quirksmode will be forced.</param>
        /// <returns>The generated token.</returns>
        [DebuggerStepThrough]
        public static HtmlDoctypeToken Doctype(Boolean quirksmode)
        {
            return new HtmlDoctypeToken(quirksmode);
        }

        /// <summary>
        /// Creates a new opening HtmlTagToken.
        /// </summary>
        /// <returns>The new HTML tag token.</returns>
        [DebuggerStepThrough]
        public static HtmlTagToken OpenTag()
        {
            return new HtmlTagToken() { _type = HtmlTokenType.StartTag };
        }

        /// <summary>
        /// Creates a new closing HtmlTagToken.
        /// </summary>
        /// <returns>The new HTML tag token.</returns>
        [DebuggerStepThrough]
        public static HtmlTagToken CloseTag()
        {
            return new HtmlTagToken() { _type = HtmlTokenType.EndTag };
        }

        /// <summary>
        /// Creates a new opening HtmlTagToken for the given name.
        /// </summary>
        /// <param name="name">The name of the tag.</param>
        /// <returns>The new HTML tag token.</returns>
        [DebuggerStepThrough]
        public static HtmlTagToken OpenTag(String name)
        {
            return new HtmlTagToken(name) { _type = HtmlTokenType.StartTag };
        }

        /// <summary>
        /// Creates a new closing HtmlTagToken for the given name.
        /// </summary>
        /// <param name="name">The name of the tag.</param>
        /// <returns>The new HTML tag token.</returns>
        [DebuggerStepThrough]
        public static HtmlTagToken CloseTag(String name)
        {
            return new HtmlTagToken(name) { _type = HtmlTokenType.EndTag };
        }

        #endregion

        #region Members

        static HtmlEndOfFileToken eof;
        protected HtmlTokenType _type;

        #endregion

        #region Properties

        /// <summary>
        /// Gets the type of the token.
        /// </summary>
        public HtmlTokenType Type
        {
            get { return _type; }
        }

        /// <summary>
        /// Gets if the character data is NULL.
        /// </summary>
        /// <returns>True if the character token is NULL, otherwise false.</returns>
        public virtual bool IsNullChar
        {
            get { return false; }
        }

        /// <summary>
        /// Gets if the character data is a new line.
        /// </summary>
        /// <returns>True if the character token is a new line, otherwise false.</returns>
        public virtual bool IsNewLine
        {
            get { return false; }
        }

        /// <summary>
        /// Gets if the character data is actually a space character.
        /// </summary>
        /// <returns>True if the character data is a space character.</returns>
        public virtual bool IsIgnoreable
        {
            get { return false; }
        }

        #endregion

        #region Methods

        /// <summary>
        /// Finds out if the current token is a start tag token with the given name.
        /// </summary>
        /// <param name="name">The name of the tag.</param>
        /// <returns>True if the token is indeed a start tag token with the given name, otherwise false.</returns>
        public virtual Boolean IsStartTag(String name)
        {
            return false;
        }

        #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
Chief Technology Officer
Germany Germany
Florian is from Regensburg, 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.
 
Florian is also giving lectures in C#, HTML5 with CSS3 and JavaScript, and other topics. Having graduated from University with a Master's degree in theoretical physics he is currently busy doing his PhD in the field of High Performance Computing.
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