[DvdSubtitleSystem] - Optimize parsing.

This commit is contained in:
Ivandro Ismael 2017-07-18 04:16:05 +01:00
parent fdd517835b
commit 31e422fb56

View File

@ -9,20 +9,11 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
{ {
private static readonly Regex RegexTimeCodes = new Regex(@"^\d\d:\d\d:\d\d:\d\d \d\d:\d\d:\d\d:\d\d ", RegexOptions.Compiled); private static readonly Regex RegexTimeCodes = new Regex(@"^\d\d:\d\d:\d\d:\d\d \d\d:\d\d:\d\d:\d\d ", RegexOptions.Compiled);
public override string Extension public override string Extension => ".txt";
{
get { return ".txt"; }
}
public override string Name public override string Name => "DVD Subtitle System";
{
get { return "DVD Subtitle System"; }
}
public override bool IsTimeBased public override bool IsTimeBased => true;
{
get { return true; }
}
public override bool IsMine(List<string> lines, string fileName) public override bool IsMine(List<string> lines, string fileName)
{ {
@ -64,25 +55,27 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
_errorCount = 0; _errorCount = 0;
foreach (string line in lines) foreach (string line in lines)
{ {
if (RegexTimeCodes.IsMatch(line)) // line must contain atleast 24 characters (time-code)...
if (line.Length < 24)
{ {
string temp = line.Substring(0, RegexTimeCodes.Match(line).Length); _errorCount += 10;
continue;
}
Match match = RegexTimeCodes.Match(line);
if (match.Success)
{
string temp = line.Substring(0, match.Length);
string start = temp.Substring(0, 11); string start = temp.Substring(0, 11);
string end = temp.Substring(12, 11); string end = temp.Substring(12, 11);
string[] startParts = start.Split(SplitCharColon, StringSplitOptions.RemoveEmptyEntries); string[] startParts = start.Split(SplitCharColon, StringSplitOptions.RemoveEmptyEntries);
string[] endParts = end.Split(SplitCharColon, StringSplitOptions.RemoveEmptyEntries); string[] endParts = end.Split(SplitCharColon, StringSplitOptions.RemoveEmptyEntries);
if (startParts.Length == 4 && endParts.Length == 4) string text = line.Substring(match.Length).Trim();
{ text = text.Replace("//", Environment.NewLine);
string text = line.Remove(0, RegexTimeCodes.Match(line).Length - 1).Trim(); var p = new Paragraph(DecodeTimeCodeFramesFourParts(startParts), DecodeTimeCodeFramesFourParts(endParts), text);
text = text.Replace("//", Environment.NewLine); subtitle.Paragraphs.Add(p);
var p = new Paragraph(DecodeTimeCodeFramesFourParts(startParts), DecodeTimeCodeFramesFourParts(endParts), text);
subtitle.Paragraphs.Add(p);
}
}
else
{
_errorCount += 10;
} }
} }