/// <summary>
/// Decode lrc format file
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public override Lyric Decode(string text)
{
// All lyric lines
var lines = new List <string>();
// Components
var atTags = new List <AtTag>();
var rubyTags = new List <RubyTag>();
// Get all lines
var sr = new StringReader(text);
for (var s = sr.ReadLine(); s != null; s = sr.ReadLine())
{
lines.Add(s);
}
// Get all atTag(@) in text
var atTagComponent = new AtTagParserComponent();
foreach (var line in lines.ToList())
{
var atTag = atTagComponent.Decode(line);
if (atTag == null)
{
continue;
}
atTags.Add(atTag.Value);
lines.Remove(line);
}
// Get all lyric from remain text
var timeTagComponent = new TimeTagParserComponent();
var lyric = new Lyric
{
Lines = lines.Select(line => timeTagComponent.Decode(line)).ToArray()
};
// Process ruby tags
var rubyTagComponent = new RubyTagParserComponent(lyric);
foreach (var atTag in atTags.ToList())
{
var rubyTag = rubyTagComponent.Decode(atTag);
if (rubyTag == null)
{
continue;
}
rubyTags.Add(rubyTag.Value);
atTags.Remove(atTag);
}
lyric.RubyTags = rubyTags.ToArray();
return(lyric);
}
public void TestAtTagEncode(string rubyTag, string parent, string ruby)
{
// At tag component
var atTagComponent = new AtTagParserComponent();
var result = atTagComponent.Decode(rubyTag);
// Ruby tag component(without filter duplicated)
var atRubyTagComponent = new RubyTagParserComponent(null, false);
var rubyResult = atRubyTagComponent.Decode(result.Value);
// Check is not null;
Assert.AreEqual(rubyResult.HasValue, true);
var rubyValue = rubyResult.Value;
Assert.AreEqual(rubyValue.Parent, parent);
Assert.AreEqual(rubyValue.Ruby, ruby);
}
public void TestAtTagDecode(string rubyTagText, string parent, string ruby)
{
// Ruby tag
var rubyTag = new RubyTag
{
Parent = parent,
Ruby = ruby
};
// Ruby tag component
var atRubyTagComponent = new RubyTagParserComponent(null);
var atTag = atRubyTagComponent.Encode(rubyTag);
// At tag component
var atTagComponent = new AtTagParserComponent();
var result = atTagComponent.Encode(atTag);
Assert.AreEqual(result, rubyTagText);
}
/// <summary>
/// Encode lrc format file
/// </summary>
/// <param name="lyric"></param>
/// <returns></returns>
public override string Encode(Lyric lyric)
{
if (lyric == null)
{
return(null);
}
var sb = new StringBuilder();
// Get all lyric in remain text
var timeTagComponent = new TimeTagParserComponent();
foreach (var line in lyric.Lines)
{
var lyricResult = timeTagComponent.Encode(line);
//Copy result
sb.AppendLine(lyricResult);
}
// Change new line
sb.AppendLine("");
// Convert ruby into ast tag
var rubyTagComponent = new RubyTagParserComponent(lyric);
var atTags = lyric.RubyTags.Select(rubyTag => rubyTagComponent.Encode(rubyTag)).ToList();
// Convert at tag into string
var atTagComponent = new AtTagParserComponent();
foreach (var atTagResult in atTags.Select(atTag => atTagComponent.Encode(atTag)))
{
//Copy result
sb.AppendLine(atTagResult);
}
//return result
return(sb.ToString());
}
