WinGui:

- Moved all the services that handle parsing, scanning, encodes and the queue out into a separate library.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@3362 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 159 insertions, 0 deletions

diff --git a/win/C#/HandBrake.ApplicationServices/Parsing/Parser.cs b/win/C#/HandBrake.ApplicationServices/Parsing/Parser.cs
new file mode 100644
index 000000000..1e6329db1
--- /dev/null
+++ b/win/C#/HandBrake.ApplicationServices/Parsing/Parser.cs
@@ -0,0 +1,159 @@
+/*  Parser.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.Globalization;

+    using System.IO;

+    using System.Text;

+    using System.Text.RegularExpressions;

+

+    /// <summary>

+    /// A delegate to handle custom events regarding data being parsed from the buffer

+    /// </summary>

+    /// <param name="sender">The object which raised this delegate</param>

+    /// <param name="data">The data parsed from the stream</param>

+    public delegate void DataReadEventHandler(object sender, string data);

+

+    /// <summary>

+    /// A delegate to handle events regarding progress during DVD scanning

+    /// </summary>

+    /// <param name="sender">The object who's raising the event</param>

+    /// <param name="currentTitle">The title number currently being processed</param>

+    /// <param name="titleCount">The total number of titiles to be processed</param>

+    public delegate void ScanProgressEventHandler(object sender, int currentTitle, int titleCount);

+

+    /// <summary>

+    /// A delegate to handle encode progress updates // EXPERIMENTAL

+    /// </summary>

+    /// <param name="sender">The object which raised the event</param>

+    /// <param name="currentTask">The current task being processed from the queue</param>

+    /// <param name="taskCount">The total number of tasks in queue</param>

+    /// <param name="percentComplete">The percentage this task is complete</param>

+    /// <param name="currentFps">The current encoding fps</param>

+    /// <param name="averageFps">The average encoding fps for this task</param>

+    /// <param name="timeRemaining">The estimated time remaining for this task to complete</param>

+    public delegate void EncodeProgressEventHandler(object sender, int currentTask, int taskCount, float percentComplete, float currentFps, float averageFps, TimeSpan timeRemaining);

+

+    /// <summary>

+    /// A simple wrapper around a StreamReader to keep track of the entire output from a cli process

+    /// </summary>

+    public class Parser : StreamReader

+    {

+        /// <summary>

+        /// The Buffer StringBuilder

+        /// </summary>

+        private readonly StringBuilder buffer = new StringBuilder(string.Empty);

+

+        /// <summary>

+        /// Initializes a new instance of the <see cref="Parser"/> class. 

+        /// Default constructor for this object

+        /// </summary>

+        /// <param name="baseStream">

+        /// The stream to parse from

+        /// </param>

+        public Parser(Stream baseStream) : base(baseStream)

+        {

+        }

+

+        /// <summary>

+        /// Raised upon a new line being read from stdout/stderr

+        /// </summary>

+        public event DataReadEventHandler OnReadLine;

+

+        /// <summary>

+        /// Raised upon the entire stdout/stderr stream being read in a single call

+        /// </summary>

+        public event DataReadEventHandler OnReadToEnd;

+

+        /// <summary>

+        /// Raised upon the catching of a "Scanning title # of #..." in the stream

+        /// </summary>

+        public event ScanProgressEventHandler OnScanProgress;

+

+        /// <summary>

+        /// Raised upon the catching of a "Scanning title # of #..." in the stream

+        /// </summary>

+        public event EncodeProgressEventHandler OnEncodeProgress;

+

+        /// <summary>

+        /// Gets the buffer of data that came from the CLI standard input/error

+        /// </summary>

+        public StringBuilder Buffer

+        {

+            get { return buffer; }

+        }

+

+        /// <summary>

+        /// Read a line from standard in/err

+        /// </summary>

+        /// <returns>

+        /// The read line

+        /// </returns>

+        public override string ReadLine()

+        {

+            string tmp = base.ReadLine();

+

+            buffer.Append(tmp + Environment.NewLine);

+

+            Match m = null;

+            if (tmp.Contains("Scanning title"))

+                m = Regex.Match(tmp, "^Scanning title ([0-9]*) of ([0-9]*)");

+

+            if (OnReadLine != null)

+                OnReadLine(this, tmp);

+

+            if (m != null)

+                if (m.Success && OnScanProgress != null)

+                    OnScanProgress(this, int.Parse(m.Groups[1].Value), int.Parse(m.Groups[2].Value));

+

+            return tmp;

+        }

+

+        /// <summary>

+        /// Read to the end of the input stream

+        /// </summary>

+        /// <returns>

+        /// A string of the input data

+        /// </returns>

+        public override string ReadToEnd()

+        {

+            string tmp = base.ReadToEnd();

+

+            buffer.Append(tmp + Environment.NewLine);

+

+            if (OnReadToEnd != null)

+                OnReadToEnd(this, tmp);

+

+            return tmp;

+        }

+

+        /// <summary>

+        /// Pase the CLI status output (from standard output)

+        /// </summary>

+        public void ReadEncodeStatus()

+        {

+            CultureInfo culture = CultureInfo.CreateSpecificCulture("en-US");

+            string tmp = base.ReadLine();

+

+            Match m = Regex.Match(tmp, @"^Encoding: task ([0-9]*) of ([0-9]*), ([0-9]*\.[0-9]*) %( \(([0-9]*\.[0-9]*) fps, avg ([0-9]*\.[0-9]*) fps, ETA ([0-9]{2})h([0-9]{2})m([0-9]{2})s\))?");

+            if (m.Success && OnEncodeProgress != null)

+            {

+                int currentTask = int.Parse(m.Groups[1].Value);

+                int totalTasks = int.Parse(m.Groups[2].Value);

+                float percent = float.Parse(m.Groups[3].Value, culture);

+                float currentFps = m.Groups[5].Value == string.Empty ? 0.0F : float.Parse(m.Groups[5].Value, culture);

+                float avgFps = m.Groups[6].Value == string.Empty ? 0.0F : float.Parse(m.Groups[6].Value, culture);

+                TimeSpan remaining = TimeSpan.Zero;

+                if (m.Groups[7].Value != string.Empty)

+                {

+                    remaining = TimeSpan.Parse(m.Groups[7].Value + ":" + m.Groups[8].Value + ":" + m.Groups[9].Value);

+                }

+                OnEncodeProgress(this, currentTask, totalTasks, percent, currentFps, avgFps, remaining);

+            }

+        }

+    }

+}
\ No newline at end of file