mirror of
https://github.com/SabreTools/SabreTools.Serialization.git
synced 2026-11-15 17:00:38 +00:00
Fix cuesheet serialization
This commit is contained in:
Matt Nadareski
@@ -1,9 +1,3 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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using SabreTools.Models.CueSheets;
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using SabreTools.Serialization.Interfaces;
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namespace SabreTools.Serialization.Files
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@@ -13,587 +7,8 @@ namespace SabreTools.Serialization.Files
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/// <inheritdoc/>
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public Models.CueSheets.CueSheet? Deserialize(string? path)
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{
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// Check that the file exists
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if (string.IsNullOrEmpty(path) || !File.Exists(path))
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return null;
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// Check the extension
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string ext = Path.GetExtension(path).TrimStart('.');
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if (!string.Equals(ext, "cue", StringComparison.OrdinalIgnoreCase)
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&& !string.Equals(ext, "txt", StringComparison.OrdinalIgnoreCase))
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{
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return null;
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}
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// Create the holding objects
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var cueSheet = new Models.CueSheets.CueSheet();
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var cueFiles = new List<CueFile>();
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// Open the file and begin reading
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string[] cueLines = File.ReadAllLines(path);
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for (int i = 0; i < cueLines.Length; i++)
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{
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string line = cueLines[i].Trim();
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// http://stackoverflow.com/questions/554013/regular-expression-to-split-on-spaces-unless-in-quotes
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string[] splitLine = Regex
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.Matches(line, @"[^\s""]+|""[^""]*""")
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.Cast<Match>()
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.Select(m => m.Groups[0].Value)
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.ToArray();
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// If we have an empty line, we skip
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if (string.IsNullOrEmpty(line))
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continue;
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switch (splitLine[0])
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{
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// Read comments
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case "REM":
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// We ignore all comments for now
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break;
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// Read MCN
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case "CATALOG":
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if (splitLine.Length < 2)
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throw new FormatException($"CATALOG line malformed: {line}");
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cueSheet.Catalog = splitLine[1];
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break;
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// Read external CD-Text file path
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case "CDTEXTFILE":
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if (splitLine.Length < 2)
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throw new FormatException($"CDTEXTFILE line malformed: {line}");
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cueSheet.CdTextFile = splitLine[1];
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break;
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// Read CD-Text enhanced performer
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case "PERFORMER":
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if (splitLine.Length < 2)
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throw new FormatException($"PERFORMER line malformed: {line}");
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cueSheet.Performer = splitLine[1];
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break;
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// Read CD-Text enhanced songwriter
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case "SONGWRITER":
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if (splitLine.Length < 2)
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throw new FormatException($"SONGWRITER line malformed: {line}");
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cueSheet.Songwriter = splitLine[1];
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break;
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// Read CD-Text enhanced title
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case "TITLE":
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if (splitLine.Length < 2)
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throw new FormatException($"TITLE line malformed: {line}");
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cueSheet.Title = splitLine[1];
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break;
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// Read file information
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case "FILE":
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if (splitLine.Length < 3)
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throw new FormatException($"FILE line malformed: {line}");
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var file = CreateCueFile(splitLine[1], splitLine[2], cueLines, ref i);
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if (file == default)
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throw new FormatException($"FILE line malformed: {line}");
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cueFiles.Add(file);
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break;
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}
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}
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cueSheet.Files = cueFiles.ToArray();
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return cueSheet;
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using var stream = PathProcessor.OpenStream(path);
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return new Streams.CueSheet().Deserialize(stream);
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}
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/// <summary>
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/// Fill a FILE from an array of lines
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/// </summary>
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/// <param name="fileName">File name to set</param>
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/// <param name="fileType">File type to set</param>
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/// <param name="cueLines">Lines array to pull from</param>
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/// <param name="i">Reference to index in array</param>
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private static CueFile? CreateCueFile(string fileName, string fileType, string[]? cueLines, ref int i)
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{
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// Check the required parameters
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if (cueLines == null)
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throw new ArgumentNullException(nameof(cueLines));
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else if (i < 0 || i > cueLines.Length)
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throw new IndexOutOfRangeException();
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// Create the holding objects
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var cueFile = new CueFile();
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var cueTracks = new List<CueTrack>();
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// Set the current fields
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cueFile.FileName = fileName.Trim('"');
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cueFile.FileType = GetFileType(fileType);
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// Increment to start
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i++;
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for (; i < cueLines.Length; i++)
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{
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string line = cueLines[i].Trim();
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string[] splitLine = line.Split(' ');
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// If we have an empty line, we skip
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if (string.IsNullOrEmpty(line))
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continue;
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switch (splitLine[0])
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{
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// Read comments
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case "REM":
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// We ignore all comments for now
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break;
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// Read track information
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case "TRACK":
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if (splitLine.Length < 3)
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throw new FormatException($"TRACK line malformed: {line}");
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var track = CreateCueTrack(splitLine[1], splitLine[2], cueLines, ref i);
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if (track == default)
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throw new FormatException($"TRACK line malformed: {line}");
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cueTracks.Add(track);
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break;
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// Next file found, return
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case "FILE":
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i--;
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cueFile.Tracks = cueTracks.ToArray();
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return cueFile;
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// Default means return
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default:
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i--;
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return null;
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}
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}
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cueFile.Tracks = cueTracks.ToArray();
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return cueFile;
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}
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/// <summary>
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/// Fill a TRACK from an array of lines
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/// </summary>
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/// <param name="number">Number to set</param>
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/// <param name="dataType">Data type to set</param>
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/// <param name="cueLines">Lines array to pull from</param>
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/// <param name="i">Reference to index in array</param>
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private static CueTrack? CreateCueTrack(string number, string dataType, string[]? cueLines, ref int i)
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{
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// Check the required parameters
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if (cueLines == null)
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throw new ArgumentNullException(nameof(cueLines));
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else if (i < 0 || i > cueLines.Length)
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throw new IndexOutOfRangeException();
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// Set the current fields
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if (!int.TryParse(number, out int parsedNumber))
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throw new ArgumentException($"Number was not a number: {number}");
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else if (parsedNumber < 1 || parsedNumber > 99)
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throw new IndexOutOfRangeException($"Index must be between 1 and 99: {parsedNumber}");
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// Create the holding objects
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var cueTrack = new CueTrack();
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var cueIndices = new List<CueIndex>();
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cueTrack.Number = parsedNumber;
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cueTrack.DataType = GetDataType(dataType);
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// Increment to start
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i++;
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for (; i < cueLines.Length; i++)
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{
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string line = cueLines[i].Trim();
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string[] splitLine = line.Split(' ');
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// If we have an empty line, we skip
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if (string.IsNullOrEmpty(line))
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continue;
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switch (splitLine[0])
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{
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// Read comments
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case "REM":
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// We ignore all comments for now
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break;
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// Read flag information
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case "FLAGS":
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if (splitLine.Length < 2)
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throw new FormatException($"FLAGS line malformed: {line}");
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cueTrack.Flags = GetFlags(splitLine);
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break;
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// Read International Standard Recording Code
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case "ISRC":
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if (splitLine.Length < 2)
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throw new FormatException($"ISRC line malformed: {line}");
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cueTrack.ISRC = splitLine[1];
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break;
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// Read CD-Text enhanced performer
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case "PERFORMER":
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if (splitLine.Length < 2)
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throw new FormatException($"PERFORMER line malformed: {line}");
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cueTrack.Performer = splitLine[1];
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break;
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// Read CD-Text enhanced songwriter
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case "SONGWRITER":
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if (splitLine.Length < 2)
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throw new FormatException($"SONGWRITER line malformed: {line}");
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cueTrack.Songwriter = splitLine[1];
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break;
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// Read CD-Text enhanced title
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case "TITLE":
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if (splitLine.Length < 2)
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throw new FormatException($"TITLE line malformed: {line}");
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cueTrack.Title = splitLine[1];
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break;
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// Read pregap information
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case "PREGAP":
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if (splitLine.Length < 2)
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throw new FormatException($"PREGAP line malformed: {line}");
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var pregap = CreatePreGap(splitLine[1]);
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if (pregap == default)
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throw new FormatException($"PREGAP line malformed: {line}");
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cueTrack.PreGap = pregap;
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break;
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// Read index information
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case "INDEX":
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if (splitLine.Length < 3)
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throw new FormatException($"INDEX line malformed: {line}");
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var index = CreateCueIndex(splitLine[1], splitLine[2]);
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if (index == default)
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throw new FormatException($"INDEX line malformed: {line}");
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cueIndices.Add(index);
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break;
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// Read postgap information
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case "POSTGAP":
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if (splitLine.Length < 2)
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throw new FormatException($"POSTGAP line malformed: {line}");
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var postgap = CreatePostGap(splitLine[1]);
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if (postgap == default)
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throw new FormatException($"POSTGAP line malformed: {line}");
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cueTrack.PostGap = postgap;
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break;
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// Next track or file found, return
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case "TRACK":
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case "FILE":
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i--;
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cueTrack.Indices = cueIndices.ToArray();
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return cueTrack;
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// Default means return
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default:
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i--;
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return null;
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}
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}
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cueTrack.Indices = cueIndices.ToArray();
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return cueTrack;
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}
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/// <summary>
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/// Create a PREGAP from a mm:ss:ff length
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/// </summary>
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/// <param name="length">String to get length information from</param>
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private static PreGap CreatePreGap(string? length)
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{
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// Ignore empty lines
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if (string.IsNullOrEmpty(length))
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throw new ArgumentException("Length was null or whitespace");
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// Ignore lines that don't contain the correct information
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if (length!.Length != 8 || length.Count(c => c == ':') != 2)
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throw new FormatException($"Length was not in a recognized format: {length}");
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// Split the line
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string[] splitLength = length.Split(':');
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if (splitLength.Length != 3)
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throw new FormatException($"Length was not in a recognized format: {length}");
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// Parse the lengths
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int[] lengthSegments = new int[3];
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// Minutes
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if (!int.TryParse(splitLength[0], out lengthSegments[0]))
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throw new FormatException($"Minutes segment was not a number: {splitLength[0]}");
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else if (lengthSegments[0] < 0)
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throw new IndexOutOfRangeException($"Minutes segment must be 0 or greater: {lengthSegments[0]}");
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// Seconds
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if (!int.TryParse(splitLength[1], out lengthSegments[1]))
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throw new FormatException($"Seconds segment was not a number: {splitLength[1]}");
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else if (lengthSegments[1] < 0 || lengthSegments[1] > 60)
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throw new IndexOutOfRangeException($"Seconds segment must be between 0 and 60: {lengthSegments[1]}");
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// Frames
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if (!int.TryParse(splitLength[2], out lengthSegments[2]))
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throw new FormatException($"Frames segment was not a number: {splitLength[2]}");
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else if (lengthSegments[2] < 0 || lengthSegments[2] > 75)
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throw new IndexOutOfRangeException($"Frames segment must be between 0 and 75: {lengthSegments[2]}");
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// Set the values
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var preGap = new PreGap
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{
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Minutes = lengthSegments[0],
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Seconds = lengthSegments[1],
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Frames = lengthSegments[2],
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};
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return preGap;
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}
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/// <summary>
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/// Fill a INDEX from an array of lines
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/// </summary>
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/// <param name="index">Index to set</param>
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/// <param name="startTime">Start time to set</param>
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private static CueIndex CreateCueIndex(string? index, string? startTime)
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{
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// Set the current fields
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if (!int.TryParse(index, out int parsedIndex))
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throw new ArgumentException($"Index was not a number: {index}");
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else if (parsedIndex < 0 || parsedIndex > 99)
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throw new IndexOutOfRangeException($"Index must be between 0 and 99: {parsedIndex}");
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// Ignore empty lines
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if (string.IsNullOrEmpty(startTime))
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throw new ArgumentException("Start time was null or whitespace");
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// Ignore lines that don't contain the correct information
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if (startTime!.Length != 8 || startTime.Count(c => c == ':') != 2)
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throw new FormatException($"Start time was not in a recognized format: {startTime}");
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// Split the line
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string[] splitTime = startTime.Split(':');
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if (splitTime.Length != 3)
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throw new FormatException($"Start time was not in a recognized format: {startTime}");
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// Parse the lengths
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int[] lengthSegments = new int[3];
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// Minutes
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if (!int.TryParse(splitTime[0], out lengthSegments[0]))
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throw new FormatException($"Minutes segment was not a number: {splitTime[0]}");
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else if (lengthSegments[0] < 0)
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throw new IndexOutOfRangeException($"Minutes segment must be 0 or greater: {lengthSegments[0]}");
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// Seconds
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if (!int.TryParse(splitTime[1], out lengthSegments[1]))
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throw new FormatException($"Seconds segment was not a number: {splitTime[1]}");
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else if (lengthSegments[1] < 0 || lengthSegments[1] > 60)
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throw new IndexOutOfRangeException($"Seconds segment must be between 0 and 60: {lengthSegments[1]}");
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// Frames
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if (!int.TryParse(splitTime[2], out lengthSegments[2]))
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throw new FormatException($"Frames segment was not a number: {splitTime[2]}");
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else if (lengthSegments[2] < 0 || lengthSegments[2] > 75)
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throw new IndexOutOfRangeException($"Frames segment must be between 0 and 75: {lengthSegments[2]}");
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// Set the values
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var cueIndex = new CueIndex
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{
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Index = parsedIndex,
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Minutes = lengthSegments[0],
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Seconds = lengthSegments[1],
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Frames = lengthSegments[2],
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};
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return cueIndex;
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}
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/// <summary>
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/// Create a POSTGAP from a mm:ss:ff length
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/// </summary>
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/// <param name="length">String to get length information from</param>
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private static PostGap CreatePostGap(string? length)
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{
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// Ignore empty lines
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if (string.IsNullOrEmpty(length))
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throw new ArgumentException("Length was null or whitespace");
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// Ignore lines that don't contain the correct information
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if (length!.Length != 8 || length.Count(c => c == ':') != 2)
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throw new FormatException($"Length was not in a recognized format: {length}");
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// Split the line
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string[] splitLength = length.Split(':');
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if (splitLength.Length != 3)
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throw new FormatException($"Length was not in a recognized format: {length}");
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// Parse the lengths
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int[] lengthSegments = new int[3];
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// Minutes
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if (!int.TryParse(splitLength[0], out lengthSegments[0]))
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throw new FormatException($"Minutes segment was not a number: {splitLength[0]}");
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else if (lengthSegments[0] < 0)
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throw new IndexOutOfRangeException($"Minutes segment must be 0 or greater: {lengthSegments[0]}");
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// Seconds
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if (!int.TryParse(splitLength[1], out lengthSegments[1]))
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throw new FormatException($"Seconds segment was not a number: {splitLength[1]}");
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else if (lengthSegments[1] < 0 || lengthSegments[1] > 60)
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throw new IndexOutOfRangeException($"Seconds segment must be between 0 and 60: {lengthSegments[1]}");
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// Frames
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if (!int.TryParse(splitLength[2], out lengthSegments[2]))
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throw new FormatException($"Frames segment was not a number: {splitLength[2]}");
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else if (lengthSegments[2] < 0 || lengthSegments[2] > 75)
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throw new IndexOutOfRangeException($"Frames segment must be between 0 and 75: {lengthSegments[2]}");
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// Set the values
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var postGap = new PostGap
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{
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Minutes = lengthSegments[0],
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Seconds = lengthSegments[1],
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Frames = lengthSegments[2],
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};
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return postGap;
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}
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#region Helpers
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/// <summary>
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/// Get the file type from a given string
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/// </summary>
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/// <param name="fileType">String to get value from</param>
|
||||
/// <returns>CueFileType, if possible</returns>
|
||||
private static CueFileType GetFileType(string? fileType)
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||||
{
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switch (fileType?.ToLowerInvariant())
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||||
{
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case "binary":
|
||||
return CueFileType.BINARY;
|
||||
|
||||
case "motorola":
|
||||
return CueFileType.MOTOROLA;
|
||||
|
||||
case "aiff":
|
||||
return CueFileType.AIFF;
|
||||
|
||||
case "wave":
|
||||
return CueFileType.WAVE;
|
||||
|
||||
case "mp3":
|
||||
return CueFileType.MP3;
|
||||
|
||||
default:
|
||||
return CueFileType.BINARY;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get the data type from a given string
|
||||
/// </summary>
|
||||
/// <param name="dataType">String to get value from</param>
|
||||
/// <returns>CueTrackDataType, if possible (default AUDIO)</returns>
|
||||
private static CueTrackDataType GetDataType(string? dataType)
|
||||
{
|
||||
switch (dataType?.ToLowerInvariant())
|
||||
{
|
||||
case "audio":
|
||||
return CueTrackDataType.AUDIO;
|
||||
|
||||
case "cdg":
|
||||
return CueTrackDataType.CDG;
|
||||
|
||||
case "mode1/2048":
|
||||
return CueTrackDataType.MODE1_2048;
|
||||
|
||||
case "mode1/2352":
|
||||
return CueTrackDataType.MODE1_2352;
|
||||
|
||||
case "mode2/2336":
|
||||
return CueTrackDataType.MODE2_2336;
|
||||
|
||||
case "mode2/2352":
|
||||
return CueTrackDataType.MODE2_2352;
|
||||
|
||||
case "cdi/2336":
|
||||
return CueTrackDataType.CDI_2336;
|
||||
|
||||
case "cdi/2352":
|
||||
return CueTrackDataType.CDI_2352;
|
||||
|
||||
default:
|
||||
return CueTrackDataType.AUDIO;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get the flag value for an array of strings
|
||||
/// </summary>
|
||||
/// <param name="flagStrings">Possible flags as strings</param>
|
||||
/// <returns>CueTrackFlag value representing the strings, if possible</returns>
|
||||
private static CueTrackFlag GetFlags(string?[]? flagStrings)
|
||||
{
|
||||
CueTrackFlag flag = 0;
|
||||
if (flagStrings == null)
|
||||
return flag;
|
||||
|
||||
foreach (string? flagString in flagStrings)
|
||||
{
|
||||
switch (flagString?.ToLowerInvariant())
|
||||
{
|
||||
case "flags":
|
||||
// No-op since this is the start of the line
|
||||
break;
|
||||
|
||||
case "dcp":
|
||||
flag |= CueTrackFlag.DCP;
|
||||
break;
|
||||
|
||||
case "4ch":
|
||||
flag |= CueTrackFlag.FourCH;
|
||||
break;
|
||||
|
||||
case "pre":
|
||||
flag |= CueTrackFlag.PRE;
|
||||
break;
|
||||
|
||||
case "scms":
|
||||
flag |= CueTrackFlag.SCMS;
|
||||
break;
|
||||
|
||||
case "data":
|
||||
flag |= CueTrackFlag.DATA;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return flag;
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,5 +1,10 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.IO;
|
||||
using System.Linq;
|
||||
using System.Text.RegularExpressions;
|
||||
using SabreTools.IO;
|
||||
using SabreTools.Models.CueSheets;
|
||||
using SabreTools.Serialization.Interfaces;
|
||||
|
||||
namespace SabreTools.Serialization.Streams
|
||||
@@ -7,6 +12,644 @@ namespace SabreTools.Serialization.Streams
|
||||
public partial class CueSheet : IStreamSerializer<Models.CueSheets.CueSheet>
|
||||
{
|
||||
/// <inheritdoc/>
|
||||
public Models.CueSheets.CueSheet? Deserialize(Stream? data) => throw new NotImplementedException();
|
||||
public Models.CueSheets.CueSheet? Deserialize(Stream? data)
|
||||
{
|
||||
// If the data is invalid
|
||||
if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
|
||||
return null;
|
||||
|
||||
// If the offset is out of bounds
|
||||
if (data.Position < 0 || data.Position >= data.Length)
|
||||
return null;
|
||||
|
||||
// Cache the current offset
|
||||
int initialOffset = (int)data.Position;
|
||||
|
||||
// Create a new cuesheet to fill
|
||||
var cueSheet = new Models.CueSheets.CueSheet();
|
||||
var cueFiles = new List<CueFile>();
|
||||
|
||||
// Read the next line from the input
|
||||
string? lastLine = null;
|
||||
while (true)
|
||||
{
|
||||
string? line = lastLine ?? ReadLine(data);
|
||||
lastLine = null;
|
||||
|
||||
// If we have a null line, break from the loop
|
||||
if (line == null)
|
||||
break;
|
||||
|
||||
// If we have an empty line, we skip
|
||||
if (string.IsNullOrEmpty(line))
|
||||
continue;
|
||||
|
||||
// http://stackoverflow.com/questions/554013/regular-expression-to-split-on-spaces-unless-in-quotes
|
||||
string[] splitLine = Regex
|
||||
.Matches(line, @"[^\s""]+|""[^""]*""")
|
||||
.Cast<Match>()
|
||||
.Select(m => m.Groups[0].Value)
|
||||
.ToArray();
|
||||
|
||||
switch (splitLine[0])
|
||||
{
|
||||
// Read comments
|
||||
case "REM":
|
||||
// We ignore all comments for now
|
||||
break;
|
||||
|
||||
// Read MCN
|
||||
case "CATALOG":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"CATALOG line malformed: {line}");
|
||||
|
||||
cueSheet.Catalog = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read external CD-Text file path
|
||||
case "CDTEXTFILE":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"CDTEXTFILE line malformed: {line}");
|
||||
|
||||
cueSheet.CdTextFile = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read CD-Text enhanced performer
|
||||
case "PERFORMER":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"PERFORMER line malformed: {line}");
|
||||
|
||||
cueSheet.Performer = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read CD-Text enhanced songwriter
|
||||
case "SONGWRITER":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"SONGWRITER line malformed: {line}");
|
||||
|
||||
cueSheet.Songwriter = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read CD-Text enhanced title
|
||||
case "TITLE":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"TITLE line malformed: {line}");
|
||||
|
||||
cueSheet.Title = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read file information
|
||||
case "FILE":
|
||||
if (splitLine.Length < 3)
|
||||
throw new FormatException($"FILE line malformed: {line}");
|
||||
|
||||
var file = CreateCueFile(splitLine[1], splitLine[2], data, out lastLine);
|
||||
if (file == default)
|
||||
throw new FormatException($"FILE line malformed: {line}");
|
||||
|
||||
cueFiles.Add(file);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
cueSheet.Files = [.. cueFiles];
|
||||
return cueSheet;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Fill a FILE from an array of lines
|
||||
/// </summary>
|
||||
/// <param name="fileName">File name to set</param>
|
||||
/// <param name="fileType">File type to set</param>
|
||||
/// <param name="data">Stream to pull from</param>
|
||||
private static CueFile? CreateCueFile(string fileName, string fileType, Stream data, out string? lastLine)
|
||||
{
|
||||
// Check the required parameters
|
||||
if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
|
||||
throw new ArgumentNullException(nameof(data));
|
||||
if (data.Position < 0 || data.Position >= data.Length)
|
||||
throw new IndexOutOfRangeException();
|
||||
|
||||
// Create the holding objects
|
||||
lastLine = null;
|
||||
var cueFile = new CueFile();
|
||||
var cueTracks = new List<CueTrack>();
|
||||
|
||||
// Set the current fields
|
||||
cueFile.FileName = fileName.Trim('"');
|
||||
cueFile.FileType = GetFileType(fileType);
|
||||
|
||||
while (true)
|
||||
{
|
||||
string? line = lastLine ?? ReadLine(data);
|
||||
lastLine = null;
|
||||
|
||||
// If we have a null line, break from the loop
|
||||
if (line == null)
|
||||
break;
|
||||
|
||||
// If we have an empty line, we skip
|
||||
if (string.IsNullOrEmpty(line))
|
||||
continue;
|
||||
|
||||
// http://stackoverflow.com/questions/554013/regular-expression-to-split-on-spaces-unless-in-quotes
|
||||
string[] splitLine = Regex
|
||||
.Matches(line, @"[^\s""]+|""[^""]*""")
|
||||
.Cast<Match>()
|
||||
.Select(m => m.Groups[0].Value)
|
||||
.ToArray();
|
||||
|
||||
switch (splitLine[0])
|
||||
{
|
||||
// Read comments
|
||||
case "REM":
|
||||
// We ignore all comments for now
|
||||
break;
|
||||
|
||||
// Read track information
|
||||
case "TRACK":
|
||||
if (splitLine.Length < 3)
|
||||
throw new FormatException($"TRACK line malformed: {line}");
|
||||
|
||||
var track = CreateCueTrack(splitLine[1], splitLine[2], data, out lastLine);
|
||||
if (track == default)
|
||||
throw new FormatException($"TRACK line malformed: {line}");
|
||||
|
||||
cueTracks.Add(track);
|
||||
break;
|
||||
|
||||
// Next file found, return
|
||||
case "FILE":
|
||||
lastLine = line;
|
||||
cueFile.Tracks = [.. cueTracks];
|
||||
return cueFile;
|
||||
|
||||
// Default means return
|
||||
default:
|
||||
lastLine = line;
|
||||
cueFile.Tracks = [.. cueTracks];
|
||||
return cueFile;
|
||||
}
|
||||
}
|
||||
|
||||
cueFile.Tracks = [.. cueTracks];
|
||||
return cueFile;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Fill a TRACK from an array of lines
|
||||
/// </summary>
|
||||
/// <param name="number">Number to set</param>
|
||||
/// <param name="dataType">Data type to set</param>
|
||||
/// <param name="data">Stream to pull from</param>
|
||||
private static CueTrack? CreateCueTrack(string number, string dataType, Stream data, out string? lastLine)
|
||||
{
|
||||
// Check the required parameters
|
||||
if (data == null || data.Length == 0 || !data.CanSeek || !data.CanRead)
|
||||
throw new ArgumentNullException(nameof(data));
|
||||
if (data.Position < 0 || data.Position >= data.Length)
|
||||
throw new IndexOutOfRangeException();
|
||||
|
||||
// Set the current fields
|
||||
if (!int.TryParse(number, out int parsedNumber))
|
||||
throw new ArgumentException($"Number was not a number: {number}");
|
||||
else if (parsedNumber < 1 || parsedNumber > 99)
|
||||
throw new IndexOutOfRangeException($"Index must be between 1 and 99: {parsedNumber}");
|
||||
|
||||
// Create the holding objects
|
||||
lastLine = null;
|
||||
var cueTrack = new CueTrack();
|
||||
var cueIndices = new List<CueIndex>();
|
||||
|
||||
cueTrack.Number = parsedNumber;
|
||||
cueTrack.DataType = GetDataType(dataType);
|
||||
|
||||
while (true)
|
||||
{
|
||||
string? line = lastLine ?? ReadLine(data);
|
||||
lastLine = null;
|
||||
|
||||
// If we have a null line, break from the loop
|
||||
if (line == null)
|
||||
break;
|
||||
|
||||
// If we have an empty line, we skip
|
||||
if (string.IsNullOrEmpty(line))
|
||||
continue;
|
||||
|
||||
// http://stackoverflow.com/questions/554013/regular-expression-to-split-on-spaces-unless-in-quotes
|
||||
string[] splitLine = Regex
|
||||
.Matches(line, @"[^\s""]+|""[^""]*""")
|
||||
.Cast<Match>()
|
||||
.Select(m => m.Groups[0].Value)
|
||||
.ToArray();
|
||||
|
||||
switch (splitLine[0])
|
||||
{
|
||||
// Read comments
|
||||
case "REM":
|
||||
// We ignore all comments for now
|
||||
break;
|
||||
|
||||
// Read flag information
|
||||
case "FLAGS":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"FLAGS line malformed: {line}");
|
||||
|
||||
cueTrack.Flags = GetFlags(splitLine);
|
||||
break;
|
||||
|
||||
// Read International Standard Recording Code
|
||||
case "ISRC":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"ISRC line malformed: {line}");
|
||||
|
||||
cueTrack.ISRC = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read CD-Text enhanced performer
|
||||
case "PERFORMER":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"PERFORMER line malformed: {line}");
|
||||
|
||||
cueTrack.Performer = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read CD-Text enhanced songwriter
|
||||
case "SONGWRITER":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"SONGWRITER line malformed: {line}");
|
||||
|
||||
cueTrack.Songwriter = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read CD-Text enhanced title
|
||||
case "TITLE":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"TITLE line malformed: {line}");
|
||||
|
||||
cueTrack.Title = splitLine[1].Trim('"');
|
||||
break;
|
||||
|
||||
// Read pregap information
|
||||
case "PREGAP":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"PREGAP line malformed: {line}");
|
||||
|
||||
var pregap = CreatePreGap(splitLine[1]);
|
||||
if (pregap == default)
|
||||
throw new FormatException($"PREGAP line malformed: {line}");
|
||||
|
||||
cueTrack.PreGap = pregap;
|
||||
break;
|
||||
|
||||
// Read index information
|
||||
case "INDEX":
|
||||
if (splitLine.Length < 3)
|
||||
throw new FormatException($"INDEX line malformed: {line}");
|
||||
|
||||
var index = CreateCueIndex(splitLine[1], splitLine[2]);
|
||||
if (index == default)
|
||||
throw new FormatException($"INDEX line malformed: {line}");
|
||||
|
||||
cueIndices.Add(index);
|
||||
break;
|
||||
|
||||
// Read postgap information
|
||||
case "POSTGAP":
|
||||
if (splitLine.Length < 2)
|
||||
throw new FormatException($"POSTGAP line malformed: {line}");
|
||||
|
||||
var postgap = CreatePostGap(splitLine[1]);
|
||||
if (postgap == default)
|
||||
throw new FormatException($"POSTGAP line malformed: {line}");
|
||||
|
||||
cueTrack.PostGap = postgap;
|
||||
break;
|
||||
|
||||
// Next track or file found, return
|
||||
case "TRACK":
|
||||
case "FILE":
|
||||
lastLine = line;
|
||||
cueTrack.Indices = [.. cueIndices];
|
||||
return cueTrack;
|
||||
|
||||
// Default means return
|
||||
default:
|
||||
lastLine = line;
|
||||
cueTrack.Indices = [.. cueIndices];
|
||||
return cueTrack;
|
||||
}
|
||||
}
|
||||
|
||||
cueTrack.Indices = [.. cueIndices];
|
||||
return cueTrack;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Create a PREGAP from a mm:ss:ff length
|
||||
/// </summary>
|
||||
/// <param name="length">String to get length information from</param>
|
||||
private static PreGap CreatePreGap(string length)
|
||||
{
|
||||
// Ignore empty lines
|
||||
if (string.IsNullOrEmpty(length))
|
||||
throw new ArgumentException("Length was null or whitespace");
|
||||
|
||||
// Ignore lines that don't contain the correct information
|
||||
if (length!.Length != 8 || length.Count(c => c == ':') != 2)
|
||||
throw new FormatException($"Length was not in a recognized format: {length}");
|
||||
|
||||
// Split the line
|
||||
string[] splitLength = length.Split(':');
|
||||
if (splitLength.Length != 3)
|
||||
throw new FormatException($"Length was not in a recognized format: {length}");
|
||||
|
||||
// Parse the lengths
|
||||
int[] lengthSegments = new int[3];
|
||||
|
||||
// Minutes
|
||||
if (!int.TryParse(splitLength[0], out lengthSegments[0]))
|
||||
throw new FormatException($"Minutes segment was not a number: {splitLength[0]}");
|
||||
else if (lengthSegments[0] < 0)
|
||||
throw new IndexOutOfRangeException($"Minutes segment must be 0 or greater: {lengthSegments[0]}");
|
||||
|
||||
// Seconds
|
||||
if (!int.TryParse(splitLength[1], out lengthSegments[1]))
|
||||
throw new FormatException($"Seconds segment was not a number: {splitLength[1]}");
|
||||
else if (lengthSegments[1] < 0 || lengthSegments[1] > 60)
|
||||
throw new IndexOutOfRangeException($"Seconds segment must be between 0 and 60: {lengthSegments[1]}");
|
||||
|
||||
// Frames
|
||||
if (!int.TryParse(splitLength[2], out lengthSegments[2]))
|
||||
throw new FormatException($"Frames segment was not a number: {splitLength[2]}");
|
||||
else if (lengthSegments[2] < 0 || lengthSegments[2] > 75)
|
||||
throw new IndexOutOfRangeException($"Frames segment must be between 0 and 75: {lengthSegments[2]}");
|
||||
|
||||
// Set the values
|
||||
var preGap = new PreGap
|
||||
{
|
||||
Minutes = lengthSegments[0],
|
||||
Seconds = lengthSegments[1],
|
||||
Frames = lengthSegments[2],
|
||||
};
|
||||
return preGap;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Fill a INDEX from an array of lines
|
||||
/// </summary>
|
||||
/// <param name="index">Index to set</param>
|
||||
/// <param name="startTime">Start time to set</param>
|
||||
private static CueIndex CreateCueIndex(string index, string startTime)
|
||||
{
|
||||
// Set the current fields
|
||||
if (!int.TryParse(index, out int parsedIndex))
|
||||
throw new ArgumentException($"Index was not a number: {index}");
|
||||
else if (parsedIndex < 0 || parsedIndex > 99)
|
||||
throw new IndexOutOfRangeException($"Index must be between 0 and 99: {parsedIndex}");
|
||||
|
||||
// Ignore empty lines
|
||||
if (string.IsNullOrEmpty(startTime))
|
||||
throw new ArgumentException("Start time was null or whitespace");
|
||||
|
||||
// Ignore lines that don't contain the correct information
|
||||
if (startTime!.Length != 8 || startTime.Count(c => c == ':') != 2)
|
||||
throw new FormatException($"Start time was not in a recognized format: {startTime}");
|
||||
|
||||
// Split the line
|
||||
string[] splitTime = startTime.Split(':');
|
||||
if (splitTime.Length != 3)
|
||||
throw new FormatException($"Start time was not in a recognized format: {startTime}");
|
||||
|
||||
// Parse the lengths
|
||||
int[] lengthSegments = new int[3];
|
||||
|
||||
// Minutes
|
||||
if (!int.TryParse(splitTime[0], out lengthSegments[0]))
|
||||
throw new FormatException($"Minutes segment was not a number: {splitTime[0]}");
|
||||
else if (lengthSegments[0] < 0)
|
||||
throw new IndexOutOfRangeException($"Minutes segment must be 0 or greater: {lengthSegments[0]}");
|
||||
|
||||
// Seconds
|
||||
if (!int.TryParse(splitTime[1], out lengthSegments[1]))
|
||||
throw new FormatException($"Seconds segment was not a number: {splitTime[1]}");
|
||||
else if (lengthSegments[1] < 0 || lengthSegments[1] > 60)
|
||||
throw new IndexOutOfRangeException($"Seconds segment must be between 0 and 60: {lengthSegments[1]}");
|
||||
|
||||
// Frames
|
||||
if (!int.TryParse(splitTime[2], out lengthSegments[2]))
|
||||
throw new FormatException($"Frames segment was not a number: {splitTime[2]}");
|
||||
else if (lengthSegments[2] < 0 || lengthSegments[2] > 75)
|
||||
throw new IndexOutOfRangeException($"Frames segment must be between 0 and 75: {lengthSegments[2]}");
|
||||
|
||||
// Set the values
|
||||
var cueIndex = new CueIndex
|
||||
{
|
||||
Index = parsedIndex,
|
||||
Minutes = lengthSegments[0],
|
||||
Seconds = lengthSegments[1],
|
||||
Frames = lengthSegments[2],
|
||||
};
|
||||
return cueIndex;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Create a POSTGAP from a mm:ss:ff length
|
||||
/// </summary>
|
||||
/// <param name="length">String to get length information from</param>
|
||||
private static PostGap CreatePostGap(string length)
|
||||
{
|
||||
// Ignore empty lines
|
||||
if (string.IsNullOrEmpty(length))
|
||||
throw new ArgumentException("Length was null or whitespace");
|
||||
|
||||
// Ignore lines that don't contain the correct information
|
||||
if (length!.Length != 8 || length.Count(c => c == ':') != 2)
|
||||
throw new FormatException($"Length was not in a recognized format: {length}");
|
||||
|
||||
// Split the line
|
||||
string[] splitLength = length.Split(':');
|
||||
if (splitLength.Length != 3)
|
||||
throw new FormatException($"Length was not in a recognized format: {length}");
|
||||
|
||||
// Parse the lengths
|
||||
int[] lengthSegments = new int[3];
|
||||
|
||||
// Minutes
|
||||
if (!int.TryParse(splitLength[0], out lengthSegments[0]))
|
||||
throw new FormatException($"Minutes segment was not a number: {splitLength[0]}");
|
||||
else if (lengthSegments[0] < 0)
|
||||
throw new IndexOutOfRangeException($"Minutes segment must be 0 or greater: {lengthSegments[0]}");
|
||||
|
||||
// Seconds
|
||||
if (!int.TryParse(splitLength[1], out lengthSegments[1]))
|
||||
throw new FormatException($"Seconds segment was not a number: {splitLength[1]}");
|
||||
else if (lengthSegments[1] < 0 || lengthSegments[1] > 60)
|
||||
throw new IndexOutOfRangeException($"Seconds segment must be between 0 and 60: {lengthSegments[1]}");
|
||||
|
||||
// Frames
|
||||
if (!int.TryParse(splitLength[2], out lengthSegments[2]))
|
||||
throw new FormatException($"Frames segment was not a number: {splitLength[2]}");
|
||||
else if (lengthSegments[2] < 0 || lengthSegments[2] > 75)
|
||||
throw new IndexOutOfRangeException($"Frames segment must be between 0 and 75: {lengthSegments[2]}");
|
||||
|
||||
// Set the values
|
||||
var postGap = new PostGap
|
||||
{
|
||||
Minutes = lengthSegments[0],
|
||||
Seconds = lengthSegments[1],
|
||||
Frames = lengthSegments[2],
|
||||
};
|
||||
return postGap;
|
||||
}
|
||||
|
||||
#region Helpers
|
||||
|
||||
/// <summary>
|
||||
/// Read a line from the input file, where a line is either terminated by a newline character
|
||||
/// or by an end quote
|
||||
/// </summary>
|
||||
private static string? ReadLine(Stream data)
|
||||
{
|
||||
// If we are at the end of data
|
||||
if (data.Position >= data.Length)
|
||||
return null;
|
||||
|
||||
var bytes = new List<byte>();
|
||||
bool openQuote = false;
|
||||
while (data.Position < data.Length)
|
||||
{
|
||||
// Read the byte value
|
||||
byte b = data.ReadByteValue();
|
||||
|
||||
// If we have a quote, flip the flag
|
||||
if (b == (byte)'"')
|
||||
openQuote = !openQuote;
|
||||
|
||||
// If we have a newline not in a quoted string, exit the loop
|
||||
else if (b == (byte)'\n' && !openQuote)
|
||||
break;
|
||||
|
||||
// Add the byte to the set
|
||||
bytes.Add(b);
|
||||
}
|
||||
|
||||
var line = new string(bytes.Select(b => (char)b).ToArray());
|
||||
return line.TrimEnd();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get the file type from a given string
|
||||
/// </summary>
|
||||
/// <param name="fileType">String to get value from</param>
|
||||
/// <returns>CueFileType, if possible</returns>
|
||||
private static CueFileType GetFileType(string? fileType)
|
||||
{
|
||||
switch (fileType?.ToLowerInvariant())
|
||||
{
|
||||
case "binary":
|
||||
return CueFileType.BINARY;
|
||||
|
||||
case "motorola":
|
||||
return CueFileType.MOTOROLA;
|
||||
|
||||
case "aiff":
|
||||
return CueFileType.AIFF;
|
||||
|
||||
case "wave":
|
||||
return CueFileType.WAVE;
|
||||
|
||||
case "mp3":
|
||||
return CueFileType.MP3;
|
||||
|
||||
default:
|
||||
return CueFileType.BINARY;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get the data type from a given string
|
||||
/// </summary>
|
||||
/// <param name="dataType">String to get value from</param>
|
||||
/// <returns>CueTrackDataType, if possible (default AUDIO)</returns>
|
||||
private static CueTrackDataType GetDataType(string? dataType)
|
||||
{
|
||||
switch (dataType?.ToLowerInvariant())
|
||||
{
|
||||
case "audio":
|
||||
return CueTrackDataType.AUDIO;
|
||||
|
||||
case "cdg":
|
||||
return CueTrackDataType.CDG;
|
||||
|
||||
case "mode1/2048":
|
||||
return CueTrackDataType.MODE1_2048;
|
||||
|
||||
case "mode1/2352":
|
||||
return CueTrackDataType.MODE1_2352;
|
||||
|
||||
case "mode2/2336":
|
||||
return CueTrackDataType.MODE2_2336;
|
||||
|
||||
case "mode2/2352":
|
||||
return CueTrackDataType.MODE2_2352;
|
||||
|
||||
case "cdi/2336":
|
||||
return CueTrackDataType.CDI_2336;
|
||||
|
||||
case "cdi/2352":
|
||||
return CueTrackDataType.CDI_2352;
|
||||
|
||||
default:
|
||||
return CueTrackDataType.AUDIO;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get the flag value for an array of strings
|
||||
/// </summary>
|
||||
/// <param name="flagStrings">Possible flags as strings</param>
|
||||
/// <returns>CueTrackFlag value representing the strings, if possible</returns>
|
||||
private static CueTrackFlag GetFlags(string?[]? flagStrings)
|
||||
{
|
||||
CueTrackFlag flag = 0;
|
||||
if (flagStrings == null)
|
||||
return flag;
|
||||
|
||||
foreach (string? flagString in flagStrings)
|
||||
{
|
||||
switch (flagString?.ToLowerInvariant())
|
||||
{
|
||||
case "flags":
|
||||
// No-op since this is the start of the line
|
||||
break;
|
||||
|
||||
case "dcp":
|
||||
flag |= CueTrackFlag.DCP;
|
||||
break;
|
||||
|
||||
case "4ch":
|
||||
flag |= CueTrackFlag.FourCH;
|
||||
break;
|
||||
|
||||
case "pre":
|
||||
flag |= CueTrackFlag.PRE;
|
||||
break;
|
||||
|
||||
case "scms":
|
||||
flag |= CueTrackFlag.SCMS;
|
||||
break;
|
||||
|
||||
case "data":
|
||||
flag |= CueTrackFlag.DATA;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return flag;
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
@@ -15,8 +15,6 @@ namespace SabreTools.Serialization.Streams
|
||||
if (obj == null)
|
||||
return null;
|
||||
|
||||
|
||||
|
||||
// If we don't have any files, it's invalid
|
||||
if (obj?.Files == null)
|
||||
throw new ArgumentNullException(nameof(obj.Files));
|
||||
|
||||
Reference in New Issue
Block a user