private void TestFile(IFindInFilesItem item, string relativeRoot)
{
string displayPath = Path.Combine(relativeRoot, item.GetFileName());
const string Prefix = @".\";
if (displayPath.StartsWith(Prefix))
{
displayPath = displayPath.Substring(Prefix.Length);
}
try
{
using (Stream stream = item.Open())
{
using (TextReader reader = new StreamReader(stream, true/*detectEncoding*/))
{
int lineNumber = 0;
string line;
while ((line = reader.ReadLine()) != null)
{
lineNumber++;
int i = -1;
do
{
i = line.IndexOf(pattern, i + 1, caseSensitive ? StringComparison.CurrentCulture : StringComparison.CurrentCultureIgnoreCase);
bool skip = false;
if (matchWholeWords && (i >= 0))
{
if (Char.IsLetterOrDigit(pattern[0]))
{
if ((i - 1 >= 0) && Char.IsLetterOrDigit(line[i - 1]))
{
skip = true;
}
}
if (Char.IsLetterOrDigit(pattern[pattern.Length - 1]))
{
if ((i + pattern.Length < line.Length)
&& Char.IsLetterOrDigit(line[i + pattern.Length]))
{
skip = true;
}
}
}
if ((i >= 0) && !skip)
{
SendResult(new FindInFilesEntry(item, displayPath, line, lineNumber, i, i + pattern.Length));
}
} while (i >= 0);
}
}
}
}
catch (Exception exception)
{
SendResult(new FindInFilesEntry(item, displayPath, String.Format("Unable to open: {0}", exception.Message), 0, 0, 0));
}
if (lastFlush.AddMilliseconds(250) < DateTime.UtcNow)
{
Flush();
}
}
