public LyricFile(string fileName)
{
FileName = Path.GetFileNameWithoutExtension(fileName);
using (StreamReader reader = new StreamReader(fileName, Encoding.UTF8))
{
SpectialTags = new Dictionary<string, string>
{
{"ar", String.Empty},
{"ti", String.Empty},
{"al", String.Empty},
{"by", String.Empty},
{"offset", "0"}
};
List<Lyric> lines = new List<Lyric>();
String readin;
while ((readin = reader.ReadLine()) != null)
{
string content = readin.Substring(readin.LastIndexOf(']') + 1).Trim();
foreach (Match match in specTagReg.Matches(readin))
SpectialTags[match.Groups["key"].Value] = match.Groups["value"].Value;
foreach (Match match in timeTagReg.Matches(readin))
{
long timeTag = Int64.Parse(match.Groups["min"].Value) * 60000
+ Convert.ToInt64(Single.Parse(match.Groups["sec"].Value) * 1000);
Lyric item = new Lyric(timeTag, content);
lines.Add(item);
}
}
Offset = Int32.Parse(SpectialTags["offset"]);
Lyrics = new Queue<Lyric>(lines.OrderBy(l => l.TimeTag));
}
}
/// <summary>
/// 从LRC文件中读取所有lyric，并按时间顺序排列。
/// </summary>
/// <param name="fileName">待读取的文件路径。</param>
/// <returns>一个队列，包含待读取文件中的所有lyric。</returns>
public static Queue<Lyric> LoadFromFile(string fileName)
{
StreamReader reader = null;
try
{
reader = new StreamReader(fileName, Encoding.UTF8);
Queue<Lyric> results = new Queue<Lyric>();
ArrayList lines = new ArrayList();
String readin = null;
Regex time_tag = new Regex(@"\[(\d+):(\d+)\.(\d+)\]");
Regex lyric_tag = new Regex(@"\[\d\d:\d\d\.\d\d\]+");
Match time;
string[] lrcOut = null;
string tmp_tag = null;
while ((readin = reader.ReadLine()) != null)
{
time = time_tag.Match(readin);
while (time.Success)
{
tmp_tag = null;
lrcOut = null;
for (int i = 1; i < time.Groups.Count; i++)
tmp_tag += time.Groups[i];
lrcOut = lyric_tag.Split(readin);
Lyric item = new Lyric(tmp_tag, lrcOut[lrcOut.Length-1]);
lines.Add(item);
time = time.NextMatch();
}
}
lines.Sort();
for (int i = 0; i < lines.Count; i++)
results.Enqueue((Lyric)lines[i]);
// 实现时删除本行
//throw new NotImplementedException();
return results;
}
finally
{
if (reader != null)
reader.Dispose();
}
}
