From 5064f198d20df8604f3e1096770cf242310e4a69 Mon Sep 17 00:00:00 2001
From: Kengwang <github@kengwang.com.cn>
Date: Sat, 6 Jul 2024 21:32:29 +0800
Subject: [PATCH] =?UTF-8?q?[feat]=20=E6=96=B0=E5=A2=9E=20srt=20=E8=BD=AC?=
 =?UTF-8?q?=E6=8D=A2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../ALRC/ALRC.Converters/SrtConverter.cs      | 88 +++++++++++++++++++
 .../ALRC/ALRC.Creator/ALRC.Creator.csproj     |  6 +-
 .../ALRC.Creator/Views/Pages/ConvertPage.xaml | 53 +++++++----
 .../Views/Pages/ConvertPage.xaml.cs           | 30 +++++++
 4 files changed, 159 insertions(+), 18 deletions(-)
 create mode 100644 examples/csharp/ALRC/ALRC.Converters/SrtConverter.cs

diff --git a/examples/csharp/ALRC/ALRC.Converters/SrtConverter.cs b/examples/csharp/ALRC/ALRC.Converters/SrtConverter.cs
new file mode 100644
index 0000000..cf48ae1
--- /dev/null
+++ b/examples/csharp/ALRC/ALRC.Converters/SrtConverter.cs
@@ -0,0 +1,88 @@
+using System.Text;
+using System.Text.RegularExpressions;
+using ALRC.Abstraction;
+
+namespace ALRC.Converters;
+
+public class SrtConverter : ILyricConverter<string>
+{
+    public ALRCFile Convert(string input)
+    {
+        var lines = new List<ALRCLine>();
+        var alrc = new ALRCFile
+        {
+            Schema = "https://github.com/kengwang/ALRC/blob/main/schemas/v1.json",
+            LyricInfo = null,
+            SongInfo = null,
+            Header = null,
+            Lines = lines
+        };
+        const string regex = @"(?<id>\d+)\n(?<start>[\d\:,]*)\s?-->\s?(?<end>[\d\:,]*)\n(?<line>(?>.+\r?\n)+(?=(?>\r?\n)?))";
+        var matches = Regex.Matches(input, regex);
+        foreach (Match match in matches)
+        {
+            var line = match.Groups["line"].Value;
+            var start = match.Groups["start"].Value;
+            var end = match.Groups["end"].Value;
+            // 00:00:11,269 to Milliseconds
+            start = start.Replace(',', '.');
+            end = end.Replace(',', '.');
+            var startTime = TimeSpan.Parse(start).TotalMilliseconds;
+            var endTime = TimeSpan.Parse(end).TotalMilliseconds;
+            var lineContents = line.Replace("\r\n", "\n").Split('\n');
+            var alrcLine = new ALRCLine
+            {
+                Id = match.Groups["id"].Value,
+                Start = (int)startTime,
+                End = (int)endTime
+            };
+            if (lineContents.Length > 0)
+            {
+                alrcLine.RawText = lineContents[0];
+                if (lineContents.Length > 1)
+                {
+                    alrcLine.Translation = lineContents[1];
+                }
+                
+                if (lineContents.Length > 2)
+                {
+                    alrcLine.Comment = lineContents[2];
+                }
+            }
+            lines.Add(alrcLine);
+        }
+
+        return alrc;
+    }
+
+    public string ConvertBack(ALRCFile input)
+    {
+        var builder = new StringBuilder();
+        if (input.Lines is { Count: > 0 })
+        {
+            var id = 1;
+            for (var index = 0; index < input.Lines.Count; index++)
+            {
+                var inputLine = input.Lines[index];
+                var startTimeString = TimeSpan.FromMilliseconds(inputLine.Start ?? 0)
+                    .ToString(@"hh\:mm\:ss\,fff");
+                var endTimeString = TimeSpan.FromMilliseconds(inputLine.End ?? 0)
+                    .ToString(@"hh\:mm\:ss\,fff");
+                builder.AppendLine($"{id++}\n{startTimeString} --> {endTimeString}\n{inputLine.RawText}");
+                if (!string.IsNullOrWhiteSpace(inputLine.Translation))
+                {
+                    builder.AppendLine(inputLine.Translation);
+                }
+
+                if (!string.IsNullOrWhiteSpace(inputLine.Comment))
+                {
+                    builder.AppendLine(inputLine.Comment);
+                }
+
+                builder.AppendLine();
+            }
+        }
+
+        return builder.ToString();
+    }
+}
\ No newline at end of file
diff --git a/examples/csharp/ALRC/ALRC.Creator/ALRC.Creator.csproj b/examples/csharp/ALRC/ALRC.Creator/ALRC.Creator.csproj
index acbeaf4..1818436 100644
--- a/examples/csharp/ALRC/ALRC.Creator/ALRC.Creator.csproj
+++ b/examples/csharp/ALRC/ALRC.Creator/ALRC.Creator.csproj
@@ -7,9 +7,9 @@
         <UseWPF>true</UseWPF>
         <Platforms>AnyCPU;x64</Platforms>
         <LangVersion>default</LangVersion>
-        <Version>1.2.0</Version>
-        <AssemblyVersion>1.1.0</AssemblyVersion>
-        <FileVersion>1.1.0</FileVersion>
+        <Version>1.2.1</Version>
+        <AssemblyVersion>1.2.1</AssemblyVersion>
+        <FileVersion>1.2.1</FileVersion>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/examples/csharp/ALRC/ALRC.Creator/Views/Pages/ConvertPage.xaml b/examples/csharp/ALRC/ALRC.Creator/Views/Pages/ConvertPage.xaml
index a62c9ef..b52f372 100644
--- a/examples/csharp/ALRC/ALRC.Creator/Views/Pages/ConvertPage.xaml
+++ b/examples/csharp/ALRC/ALRC.Creator/Views/Pages/ConvertPage.xaml
@@ -21,7 +21,8 @@
             <ColumnDefinition />
             <ColumnDefinition />
         </Grid.ColumnDefinitions>
-        <Border CornerRadius="8" Grid.Row="0" Grid.Column="0" Background="Gray" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Margin="8">
+        <Border CornerRadius="8" Grid.Row="0" Grid.Column="0" Background="Gray" VerticalAlignment="Stretch"
+                HorizontalAlignment="Stretch" Margin="8">
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
@@ -36,8 +37,9 @@
                 </StackPanel>
             </Grid>
         </Border>
-        
-        <Border Grid.Row="0" CornerRadius="8" Grid.Column="1" Background="Gray" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Margin="8">
+
+        <Border Grid.Row="0" CornerRadius="8" Grid.Column="1" Background="Gray" VerticalAlignment="Stretch"
+                HorizontalAlignment="Stretch" Margin="8">
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
@@ -56,8 +58,9 @@
                 </Grid>
             </Grid>
         </Border>
-        
-        <Border CornerRadius="8" Grid.Row="0" Grid.Column="2" Background="Gray" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Margin="8">
+
+        <Border CornerRadius="8" Grid.Row="0" Grid.Column="2" Background="Gray" VerticalAlignment="Stretch"
+                HorizontalAlignment="Stretch" Margin="8">
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
@@ -72,9 +75,10 @@
                 </StackPanel>
             </Grid>
         </Border>
-        
-        
-        <Border CornerRadius="8" Grid.Row="1" Grid.Column="0"  Background="Gray" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Margin="8">
+
+
+        <Border CornerRadius="8" Grid.Row="1" Grid.Column="0" Background="Gray" VerticalAlignment="Stretch"
+                HorizontalAlignment="Stretch" Margin="8">
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
@@ -89,8 +93,9 @@
                 </StackPanel>
             </Grid>
         </Border>
-        
-        <Grid Grid.Row="1" Grid.Column="1" VerticalAlignment="Stretch" Background="Gray" HorizontalAlignment="Stretch" Margin="8">
+
+        <Border CornerRadius="8" Grid.Row="1" Grid.Column="1" VerticalAlignment="Stretch" Background="Gray"
+                HorizontalAlignment="Stretch" Margin="8">
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
@@ -104,8 +109,9 @@
                     <Button Click="ConvertToTTML_Click">To TTML</Button>
                 </StackPanel>
             </Grid>
-        </Grid>
-        <Grid Grid.Row="1" Grid.Column="2" VerticalAlignment="Stretch" Background="Gray" HorizontalAlignment="Stretch" Margin="8">
+        </Border>
+        <Border CornerRadius="8" Grid.Row="1" Grid.Column="2" VerticalAlignment="Stretch" Background="Gray"
+                HorizontalAlignment="Stretch" Margin="8">
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
@@ -119,8 +125,9 @@
                     <Button Click="ConvertToLyricifySyllable_Click">Convert To</Button>
                 </StackPanel>
             </Grid>
-        </Grid>
-        <Grid Grid.Row="2" Grid.Column="0" VerticalAlignment="Stretch" Background="Gray" HorizontalAlignment="Stretch" Margin="8">
+        </Border>
+        <Border CornerRadius="8" Grid.Row="2" Grid.Column="0" VerticalAlignment="Stretch" Background="Gray"
+                HorizontalAlignment="Stretch" Margin="8">
             <Grid>
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto" />
@@ -133,6 +140,22 @@
                     <Button Click="ConvertTranslationToLrc_Click">Export LRC</Button>
                 </StackPanel>
             </Grid>
-        </Grid>
+        </Border>
+        <Border CornerRadius="8" Grid.Row="2" Grid.Column="1" VerticalAlignment="Stretch" Background="Gray"
+                HorizontalAlignment="Stretch" Margin="8">
+            <Grid>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto" />
+                    <RowDefinition Height="*" />
+                    <RowDefinition Height="*" />
+                </Grid.RowDefinitions>
+                <fa:FontAwesome FontSize="80" Grid.Row="0" Icon="FileText" />
+                <TextBlock Grid.Row="1" TextAlignment="Center" FontSize="35" Text="SRT" />
+                <StackPanel Grid.Row="2" Orientation="Horizontal">
+                    <Button Click="ConvertFromSRT_Click">From SRT</Button>
+                    <Button Click="ConvertToSRT_Click">To SRT</Button>
+                </StackPanel>
+            </Grid>
+        </Border>
     </Grid>
 </Page>
\ No newline at end of file
diff --git a/examples/csharp/ALRC/ALRC.Creator/Views/Pages/ConvertPage.xaml.cs b/examples/csharp/ALRC/ALRC.Creator/Views/Pages/ConvertPage.xaml.cs
index 51016e4..622f2fb 100644
--- a/examples/csharp/ALRC/ALRC.Creator/Views/Pages/ConvertPage.xaml.cs
+++ b/examples/csharp/ALRC/ALRC.Creator/Views/Pages/ConvertPage.xaml.cs
@@ -239,4 +239,34 @@ private void ConvertToLyricifySyllable_Click(object sender, RoutedEventArgs e)
             File.WriteAllText(dialog.FileName, lrcText);
         }
     }
+
+    private void ConvertFromSRT_Click(object sender, RoutedEventArgs e)
+    {
+        var dialog = new OpenFileDialog();
+        dialog.Filter = "SRT 文件|*.srt";
+        if (dialog.ShowDialog() is true)
+        {
+            var lrc = File.ReadAllText(dialog.FileName);
+            var converter = new SrtConverter();
+            var alrcFile = converter.Convert(lrc);
+            var result = new EditableALRCConverter().ConvertBack(alrcFile);
+            _viewModel.Alrc.Lines = result.Lines;
+            _viewModel.Alrc.Styles = result.Styles;
+            _viewModel.Alrc.SongInfos = result.SongInfos;
+            _viewModel.Alrc.LyricInfo = result.LyricInfo;
+        }
+    }
+
+    private void ConvertToSRT_Click(object sender, RoutedEventArgs e)
+    {
+        var alrc = new EditableALRCConverter().Convert(_viewModel.Alrc);
+        var converter = new SrtConverter();
+        var lrcText = converter.ConvertBack(alrc);
+        var dialog = new SaveFileDialog();
+        dialog.Filter = "SRT 文件|*.srt";
+        if (dialog.ShowDialog() is true)
+        {
+            File.WriteAllText(dialog.FileName, lrcText);
+        }
+    }
 }
\ No newline at end of file