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Performance improvement in HtmlUtil

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This commit is contained in:
niksedk 2015-08-27 16:38:58 +02:00
parent 271ea4d02b
commit d34286bf5d
1 changed files with 4 additions and 3 deletions
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7
libse/HtmlUtil.cs
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@ -399,12 +399,13 @@ namespace Nikse.SubtitleEdit.Core
return IsUrl(arr[0]); return IsUrl(arr[0]);
} }
private static readonly string[] UppercaseTags = { "<I>", "<U>", "<B>", "<FONT", "</I>", "</U>", "</B>", "</FONT>" };
public static string FixUpperTags(string text) public static string FixUpperTags(string text)
{ {
if (string.IsNullOrEmpty(text)) if (string.IsNullOrEmpty(text))
return text; return text;
var tags = new string[] { "<I>", "<U>", "<B>", "<FONT", "</I>", "</U>", "</B>", "</FONT>" }; var idx = text.IndexOfAny(UppercaseTags, StringComparison.Ordinal);
var idx = text.IndexOfAny(tags, StringComparison.Ordinal);
while (idx >= 0) while (idx >= 0)
{ {
var endIdx = text.IndexOf('>', idx + 2); var endIdx = text.IndexOf('>', idx + 2);
@ -412,7 +413,7 @@ namespace Nikse.SubtitleEdit.Core
break; break;
var tag = text.Substring(idx, endIdx - idx).ToLowerInvariant(); var tag = text.Substring(idx, endIdx - idx).ToLowerInvariant();
text = text.Remove(idx, endIdx - idx).Insert(idx, tag); text = text.Remove(idx, endIdx - idx).Insert(idx, tag);
idx = text.IndexOfAny(tags, StringComparison.Ordinal); idx = text.IndexOfAny(UppercaseTags, StringComparison.Ordinal);
} }
return text; return text;
} }