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/* Chapter.cs $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr>.
It may be used under the terms of the GNU General Public License. */
namespace HandBrake.ApplicationServices.Parsing
{
using System;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
/// <summary>
/// An object representing a Chapter aosciated with a Title, in a DVD
/// </summary>
public class Chapter
{
/// <summary>
/// Gets The number of this Chapter, in regards to it's parent Title
/// </summary>
public int ChapterNumber { get; private set; }
/// <summary>
/// Gets The length in time this Chapter spans
/// </summary>
public TimeSpan Duration { get; private set; }
/// <summary>
/// Create a chapter Object
/// </summary>
/// <param name="number">
/// The number.
/// </param>
/// <param name="duration">
/// The duration.
/// </param>
/// <returns>
/// A new Chapter Object
/// </returns>
public static Chapter CreateChapterOjbect(int number, TimeSpan duration)
{
return new Chapter { ChapterNumber = number, Duration = duration };
}
/// <summary>
/// Parse a CLI string to a Chapter object
/// </summary>
/// <param name="output">
/// The output.
/// </param>
/// <returns>
/// A chapter Object
/// </returns>
public static Chapter Parse(StringReader output)
{
Match m = Regex.Match(
output.ReadLine(),
@"^ \+ ([0-9]*): cells ([0-9]*)->([0-9]*), ([0-9]*) blocks, duration ([0-9]{2}:[0-9]{2}:[0-9]{2})");
if (m.Success)
{
var thisChapter = new Chapter
{
ChapterNumber = int.Parse(m.Groups[1].Value.Trim()),
Duration = TimeSpan.Parse(m.Groups[5].Value)
};
return thisChapter;
}
return null;
}
/// <summary>
/// Prase a list of strings / chatpers
/// </summary>
/// <param name="output">
/// The output.
/// </param>
/// <returns>
/// An array of chapter objects
/// </returns>
public static Chapter[] ParseList(StringReader output)
{
var chapters = new List<Chapter>();
// this is to read the " + chapters:" line from the buffer
// so we can start reading the chapters themselvs
output.ReadLine();
while (true)
{
// Start of the chapter list for this Title
Chapter thisChapter = Parse(output);
if (thisChapter != null)
chapters.Add(thisChapter);
else
break;
}
return chapters.ToArray();
}
/// <summary>
/// Override of the ToString method to make this object easier to use in the UI
/// </summary>
/// <returns>A string formatted as: {chapter #}</returns>
public override string ToString()
{
return ChapterNumber.ToString();
}
}
}
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