public void StartSearch()
{
_guiStateArgs.MenuEnabled = false;
GuiStateUpdate(this, _guiStateArgs);
SearchParams searchParams = _parentLogTabWin.SearchParams;
if ((searchParams.isForward || searchParams.isFindNext) && !searchParams.isShiftF3Pressed)
{
searchParams.currentLine = dataGridView.CurrentCellAddress.Y + 1;
}
else
{
searchParams.currentLine = dataGridView.CurrentCellAddress.Y - 1;
}
_currentSearchParams = searchParams; // remember for async "not found" messages
_isSearching = true;
_shouldCancel = false;
StartProgressBar(dataGridView.RowCount, "Searching... Press ESC to cancel.");
Func<SearchParams, int> searchFx = new Func<SearchParams, int>(Search);
searchFx.BeginInvoke(searchParams, SearchComplete, null);
RemoveAllSearchHighlightEntries();
AddSearchHitHighlightEntry(searchParams);
}
void AddSearchHitHighlightEntry(SearchParams para)
{
HilightEntry he = new HilightEntry(para.searchText,
Color.Red, Color.Yellow,
para.isRegex,
para.isCaseSensitive,
false,
false,
false,
false,
null,
true);
he.IsSearchHit = true;
lock (_tempHilightEntryListLock)
{
_tempHilightEntryList.Add(he);
}
RefreshAllGrids();
}
protected int Search(SearchParams searchParams)
{
if (searchParams.searchText == null)
{
return -1;
}
Action<int> progressFx = new Action<int>(UpdateProgressBar);
int lineNum = (searchParams.isFromTop && !searchParams.isFindNext) ? 0 : searchParams.currentLine;
string lowerSearchText = searchParams.searchText.ToLower();
int count = 0;
bool hasWrapped = false;
Regex regex = null;
string regexPattern = null;
while (true)
{
if ((searchParams.isForward || searchParams.isFindNext) && !searchParams.isShiftF3Pressed)
{
if (lineNum >= CurrentLogFileReader.LineCount)
{
if (hasWrapped)
{
StatusLineError("Not found: " + searchParams.searchText);
return -1;
}
lineNum = 0;
count = 0;
hasWrapped = true;
StatusLineError("Started from beginning of file");
}
}
else
{
if (lineNum < 0)
{
if (hasWrapped)
{
StatusLineError("Not found: " + searchParams.searchText);
return -1;
}
count = 0;
lineNum = CurrentLogFileReader.LineCount - 1;
hasWrapped = true;
StatusLineError("Started from end of file");
}
}
string line = CurrentLogFileReader.GetLogLine(lineNum);
if (line == null)
{
return -1;
}
if (searchParams.isRegex)
{
if (regex == null && string.IsNullOrEmpty(regexPattern) && object.ReferenceEquals(searchParams.searchText, regexPattern))
{
regex = new Regex(searchParams.searchText, searchParams.isCaseSensitive ? RegexOptions.None : RegexOptions.IgnoreCase);
}
if (regex.IsMatch(line))
{
return lineNum;
}
}
else
{
if (!searchParams.isCaseSensitive)
{
if (line.ToLower().Contains(lowerSearchText))
{
return lineNum;
}
}
else
{
if (line.Contains(searchParams.searchText))
{
return lineNum;
}
}
}
if ((searchParams.isForward || searchParams.isFindNext) && !searchParams.isShiftF3Pressed)
{
lineNum++;
}
else
{
lineNum--;
}
if (_shouldCancel)
{
return -1;
}
if (++count % PROGRESS_BAR_MODULO == 0)
{
try
{
if (!Disposing)
{
Invoke(progressFx, new object[] { count });
}
}
catch (ObjectDisposedException) // can occur when closing the app while searching
{
}
}
}
}
void MarkFilterHitsInLogViewToolStripMenuItem_Click(object sender, EventArgs e)
{
SearchParams p = new SearchParams();
p.searchText = _filterParams.searchText;
p.isRegex = _filterParams.isRegex;
p.isCaseSensitive = _filterParams.isCaseSensitive;
AddSearchHitHighlightEntry(p);
}
