/// <summary>
/// Highlight the found matches in the given HitObject based on a regular expression.
/// </summary>
/// <param name="hit">HitObject to highlight</param>
/// <remarks>Called from HighlightText only.</remarks>
private void HighlightTextRegEx(HitObject hit)
{
string _textToSearch = string.Empty;
string _tempString = string.Empty;
int _lastPos = 0;
Regex _regEx = new Regex(gpGrep.SearchText);
MatchCollection _col;
Match _item;
// Loop through hits and highlight search for text
for (int _index = 0; _index < hit.LineCount; _index++)
{
TextIter locIter = txtViewer.Buffer.GetIterAtOffset(txtViewer.Buffer.Text.Length);
//Retrieve hit text
_textToSearch = hit.RetrieveLine(_index);
// find all reg ex matches in line
if (gpGrep.UseCaseSensitivity && gpGrep.UseWholeWordMatching)
{
_regEx = new Regex("\\b\\w*" + gpGrep.SearchText + "\\w*\\b");
_col = _regEx.Matches(_textToSearch);
}
else if (gpGrep.UseCaseSensitivity)
{
_regEx = new Regex(gpGrep.SearchText);
_col = _regEx.Matches(_textToSearch);
}
else if (gpGrep.UseWholeWordMatching)
{
_regEx = new Regex("\\b\\w*" + gpGrep.SearchText + "\\w*\\b", RegexOptions.IgnoreCase);
_col = _regEx.Matches(_textToSearch);
}
else
{
_regEx = new Regex(gpGrep.SearchText, RegexOptions.IgnoreCase);
_col = _regEx.Matches(_textToSearch);
}
//loop through the matches
_lastPos = 0;
for (int _counter = 0; _counter < _col.Count; _counter++)
{
_item = _col[_counter];
// set the start text
// check for empty string to prevent assigning nothing to selection text preventing
// a system beep
_tempString = _textToSearch.Substring(_lastPos, _item.Index - _lastPos);
if (!_tempString.Equals(string.Empty))
txtViewer.Buffer.Insert(ref locIter, _tempString);
//set the hit text
txtViewer.Buffer.InsertWithTagsByName(ref locIter, _textToSearch.Substring(_item.Index, _item.Length), new string[1] {"highlight"});
//set the end text
if (_counter + 1 >= _col.Count)
{
// no more hits so just set the rest
txtViewer.Buffer.Insert(ref locIter, _textToSearch.Substring(_item.Index + _item.Length));
_lastPos = _item.Index + _item.Length;
}
else
{
// another hit so just set inbetween
txtViewer.Buffer.Insert(ref locIter, _textToSearch.Substring(_item.Index + _item.Length, _col[_counter + 1].Index - (_item.Index + _item.Length)));
_lastPos = _col[_counter + 1].Index;
}
}
// no match, just a context line
if (_col.Count == 0)
txtViewer.Buffer.Insert(ref locIter, _textToSearch);
}
}
/// <summary>
/// Search a given file for the searchText.
/// </summary>
/// <param name="file">FileInfo object for file to search for searchText</param>
/// <param name="searchText">Text to find in file</param>
/// <history>
/// [Curtis_Beard] 09/08/2005 Created
/// [Curtis_Beard] 11/21/2005 ADD: update hit count when actual line added
/// [Curtis_Beard] 12/02/2005 CHG: use SearchingFile instead of StatusMessage
/// [Curtis_Beard] 04/21/2006 CHG: use a regular expression match collection to get
/// correct count of hits in a line when using RegEx
/// [Curtis_Beard] 07/03/2006 FIX: 1500174, use a FileStream to open the files readonly
/// [Curtis_Beard] 07/07/2006 FIX: 1512029, RegEx use Case Sensitivity and WholeWords,
/// also use different whole word matching regex
/// [Curtis_Beard] 07/26/2006 ADD: 1512026, column position
/// [Curtis_Beard] 07/26/2006 FIX: 1530023, retrieve file with correct encoding
/// [Curtis_Beard] 09/12/2006 CHG: Converted to C#
/// [Curtis_Beard] 09/28/2006 FIX: check for any plugins before looping through them
/// </history>
private void SearchFile(FileInfo file, string searchText)
{
const int MARGINSIZE = 4;
// Raise SearchFile Event
if (SearchingFile != null)
SearchingFile(file);
FileStream _stream = null;
StreamReader _reader = null;
int _lineNumber = 0;
HitObject _grepHit = null;
Regex _regularExp = null;
MatchCollection _regularExpCol = null;
int _posInStr = -1;
bool _hitOccurred = false;
bool _fileNameDisplayed = false;
string[] _context = new string[10];
int _contextIndex = 0;
int _lastHit = 0;
int _contextLinesCount = ContextLines;
string _contextSpacer = string.Empty;
string _spacer = string.Empty;
try
{
// Process plugins
if (__Plugins != null)
{
for (int i = 0; i < __Plugins.Count; i++)
{
// find a valid plugin for this file type
if (__Plugins[i].Enabled &&
__Plugins[i].Plugin.IsAvailable &&
__Plugins[i].Plugin.Extensions.IndexOf(file.Extension) > -1)
{
// setup plugin options
__Plugins[i].Plugin.ContextLines = this.ContextLines;
__Plugins[i].Plugin.IncludeLineNumbers = this.IncludeLineNumbers;
__Plugins[i].Plugin.ReturnOnlyFileNames = this.ReturnOnlyFileNames;
__Plugins[i].Plugin.UseCaseSensitivity = this.UseCaseSensitivity;
__Plugins[i].Plugin.UseRegularExpressions = this.UseRegularExpressions;
__Plugins[i].Plugin.UseWholeWordMatching = this.UseWholeWordMatching;
// load plugin and perform grep
__Plugins[i].Plugin.Load();
_grepHit = __Plugins[i].Plugin.Grep(file, searchText);
__Plugins[i].Plugin.Unload();
// check for a hit
if (_grepHit != null)
{
// only perform is not using negation
if (!this.UseNegation)
{
_grepHit.Index = __grepCollection.Count;
__grepCollection.Add(__grepCollection.Count, _grepHit);
if (FileHit != null)
FileHit(file, _grepHit.Index);
if (this.ReturnOnlyFileNames)
_grepHit.SetHitCount();
if (LineHit != null)
LineHit(_grepHit, _grepHit.Index);
}
}
else if (this.UseNegation)
{
// no hit but using negation so create one
_grepHit = new HitObject(file);
_grepHit.Index = __grepCollection.Count;
__grepCollection.Add(__grepCollection.Count, _grepHit);
if (FileHit != null)
FileHit(file, _grepHit.Index);
}
return;
}
}
}
_stream = file.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_reader = new StreamReader(_stream, System.Text.Encoding.Default);
// Default spacer (left margin) values. If Line Numbers are on,
// these will be reset within the loop to include line numbers.
if (_contextLinesCount > 0)
{
_contextSpacer = new string(char.Parse(" "), MARGINSIZE);
_spacer = _contextSpacer.Substring(MARGINSIZE - 2) + "> ";
}
else
_spacer = new string(char.Parse(" "), MARGINSIZE);
do
{
string textLine = _reader.ReadLine();
if (textLine == null)
break;
else
{
_lineNumber += 1;
if (UseRegularExpressions)
{
_posInStr = -1;
if (textLine.Length > 0)
{
if (UseCaseSensitivity && UseWholeWordMatching)
{
_regularExp = new Regex("\\b\\w*" + searchText + "\\w*\\b");
_regularExpCol = _regularExp.Matches(textLine);
}
else if (UseCaseSensitivity)
{
_regularExp = new Regex(searchText);
_regularExpCol = _regularExp.Matches(textLine);
}
else if (UseWholeWordMatching)
{
_regularExp = new Regex("\\b\\w*" + searchText + "\\w*\\b", RegexOptions.IgnoreCase);
_regularExpCol = _regularExp.Matches(textLine);
}
else
{
_regularExp = new Regex(searchText, RegexOptions.IgnoreCase);
_regularExpCol = _regularExp.Matches(textLine);
}
if (_regularExpCol.Count > 0)
{
if (UseNegation)
_hitOccurred = true;
_posInStr = 1;
}
}
}
else
{
if (UseCaseSensitivity)
// Need to escape these characters in SearchText:
// < $ + * [ { ( ) .
// with a preceeding \
// If we are looking for whole worlds only, perform the check.
if (UseWholeWordMatching)
{
_regularExp = new Regex("\\b\\w*" + searchText + "\\w*\\b");
if (_regularExp.IsMatch(textLine))
{
if (UseNegation)
_hitOccurred = true;
_posInStr = 1;
}
else
_posInStr = -1;
}
else
{
//_posInStr = InStr(1, textLine, searchText, CompareMethod.Binary);
_posInStr = textLine.IndexOf(searchText);
if (UseNegation && _posInStr > -1)
_hitOccurred = true;
}
else
{
// If we are looking for whole worlds only, perform the check.
if (UseWholeWordMatching)
{
_regularExp = new Regex("\\b\\w*" + searchText + "\\w*\\b", RegexOptions.IgnoreCase);
if (_regularExp.IsMatch(textLine))
{
if (UseNegation)
_hitOccurred = true;
_posInStr = 1;
}
else
_posInStr = -1;
}
else
{
//_posInStr = InStr(1, textLine, searchText, CompareMethod.Text);
_posInStr = textLine.ToLower().IndexOf(searchText.ToLower());
if (UseNegation && _posInStr > -1)
_hitOccurred = true;
}
}
}
//*******************************************
// We found an occurrence of our search text.
//*******************************************
if (_posInStr > -1)
{
//since we have a hit, check to see if negation is checked
if (UseNegation)
break;
if (!_fileNameDisplayed)
{
_grepHit = new HitObject(file);
_grepHit.Index = __grepCollection.Count;
__grepCollection.Add(__grepCollection.Count, _grepHit);
if (FileHit != null)
FileHit(file, _grepHit.Index);
_fileNameDisplayed = true;
}
// If we are only showing filenames, go to the next file.
if (ReturnOnlyFileNames)
{
//notify that at least 1 hit is in file
_grepHit.SetHitCount();
if (LineHit != null)
LineHit(_grepHit, _grepHit.Index);
break;
}
// Set up line number, or just an indention in front of the line.
if (IncludeLineNumbers)
{
_spacer = "(" + _lineNumber.ToString().Trim();
if (_spacer.Length <= 5)
_spacer = _spacer + new string(char.Parse(" "), 6 - _spacer.Length);
_spacer = _spacer + ") ";
_contextSpacer = "(" + new string(char.Parse(" "), _spacer.Length - 3) + ") ";
}
// Display context lines if applicable.
if (_contextLinesCount > 0 && _lastHit == 0)
{
if (_grepHit.LineCount > 0)
{
// Insert a blank space before the context lines.
int _pos = _grepHit.Add("\r\n", -1);
if (LineHit != null)
LineHit(_grepHit, _pos);
}
// Display preceeding n context lines before the hit.
for (_posInStr = _contextLinesCount; _posInStr >= 1; _posInStr--)
{
_contextIndex = _contextIndex + 1;
if (_contextIndex > _contextLinesCount)
_contextIndex = 1;
// If there is a match in the first one or two lines,
// the entire preceeding context may not be available.
if (_lineNumber > _posInStr)
{
// Add the context line.
int _pos = _grepHit.Add(_contextSpacer + _context[_contextIndex] + "\r\n", _lineNumber - _posInStr);
if (LineHit != null)
LineHit(_grepHit, _pos);
}
}
}
_lastHit = _contextLinesCount;
//
// Add the actual "hit".
//
// set first hit column position
if (UseRegularExpressions)
{
// zero based
_posInStr = _regularExpCol[0].Index + 1;
}
int _index = _grepHit.Add(_spacer + textLine + "\r\n", _lineNumber, _posInStr);
if (UseRegularExpressions)
_grepHit.SetHitCount(_regularExpCol.Count);
else
{
//determine number of hits
_grepHit.SetHitCount(RetrieveLineHitCount(textLine, searchText));
}
if (LineHit != null)
LineHit(_grepHit, _index);
}
else if (_lastHit > 0 && _contextLinesCount > 0)
{
//***************************************************
// We didn't find a hit, but since lastHit is > 0, we
// need to display this context line.
//***************************************************
int _index = _grepHit.Add(_contextSpacer + textLine + "\r\n", _lineNumber);
if (LineHit != null)
LineHit(_grepHit, _index);
_lastHit -= 1;
} // Found a hit or not.
// If we are showing context lines, keep the last n lines.
if (_contextLinesCount > 0)
{
if (_contextIndex == _contextLinesCount)
_contextIndex = 1;
else
_contextIndex += 1;
_context[_contextIndex] = textLine;
}
}
}
while (true);
//
// Check for no hits through out the file
//
if (UseNegation && _hitOccurred == false)
{
//add the file to the hit list
if (!_fileNameDisplayed)
{
_grepHit = new HitObject(file);
_grepHit.Index = __grepCollection.Count;
__grepCollection.Add(__grepCollection.Count, _grepHit);
if (FileHit != null)
FileHit(file, _grepHit.Index);
}
}
}
finally
{
if (_reader != null)
_reader.Close();
if (_stream != null)
_stream.Close();
}
}
/// <summary>
///
/// </summary>
/// <param name="hit"></param>
/// <param name="index"></param>
private void gpGrep_LineHit(HitObject hit, int index)
{
//Gtk.Application.Invoke(hit, null, new System.EventHandler(UpdateCount));
}
/// <summary>
/// Highlight the found matches in the given HitObject.
/// </summary>
/// <param name="hit">HitObject to highlight</param>
private void HighlightText(HitObject hit)
{
string textToSearch = string.Empty;
string searchText = gpGrep.SearchText;
string tempLine = string.Empty;
int pos = -1;
bool highlight = false;
string begin = string.Empty;
string text = string.Empty;
string end = string.Empty;
// clear contents
txtViewer.Buffer.Text = "";
if (gpGrep.UseRegularExpressions)
HighlightTextRegEx(hit);
else
{
// Loop through hits and highlight search for text
for (int i = 0; i < hit.LineCount; i++)
{
TextIter locIter = txtViewer.Buffer.GetIterAtOffset(txtViewer.Buffer.Text.Length);
//Retrieve hit text
textToSearch = hit.RetrieveLine(i);
tempLine = textToSearch;
if (gpGrep.UseCaseSensitivity)
pos = tempLine.IndexOf(searchText);
else
pos = tempLine.ToLower().IndexOf(searchText.ToLower());
if (pos > -1)
{
while (pos > -1)
{
highlight = false;
begin = tempLine.Substring(0, pos);
text = tempLine.Substring(pos, searchText.Length);
end = tempLine.Substring(pos + searchText.Length);
txtViewer.Buffer.Insert(ref locIter, begin);
if (gpGrep.UseWholeWordMatching)
highlight = Grep.WholeWordOnly(begin, end);
else
highlight = true;
if (highlight)
txtViewer.Buffer.InsertWithTagsByName(ref locIter, text, new string[1] {"highlight"});
else
txtViewer.Buffer.Insert(ref locIter, text);
//Check remaining for other matches
if (gpGrep.UseCaseSensitivity)
pos = end.IndexOf(searchText);
else
pos = end.ToLower().IndexOf(searchText.ToLower());
//if no more hits in line, insert last part
tempLine = end;
if (pos < 0)
txtViewer.Buffer.Insert(ref locIter, end);
}
}
else
txtViewer.Buffer.Insert(ref locIter, textToSearch);
}
}
}
/// <summary>
/// Highlight the searched text in the results when using regular expressions
/// </summary>
/// <param name="hit">Hit Object containing results</param>
/// <history>
/// [Curtis_Beard] 04/21/2006 Created
/// [Curtis_Beard] 05/11/2006 FIX: Include context lines if present and prevent system beep
/// [Curtis_Beard] 07/07/2006 FIX: 1512029, highlight whole word and case sensitive matches
/// [Curtis_Beard] 09/28/2006 FIX: use grep object for settings instead of gui items, remove searchText parameter
/// </history>
private void HighlightTextRegEx(HitObject hit)
{
string _textToSearch = string.Empty;
string _tempString = string.Empty;
int _index = 0;
int _lastPos = 0;
int _counter = 0;
Regex _regEx = new Regex(__Grep.SearchText);
MatchCollection _col;
Match _item;
// Loop through hits and highlight search for text
for (_index = 0; _index < hit.LineCount; _index++)
{
// Retrieve hit text
_textToSearch = hit.RetrieveLine(_index);
// Set default font
txtHits.SelectionFont = new Font("Courier New", 9.75F, FontStyle.Regular);
// find all reg ex matches in line
if (__Grep.UseCaseSensitivity && __Grep.UseWholeWordMatching)
{
_regEx = new Regex("\\b\\w*" + __Grep.SearchText + "\\w*\\b");
_col = _regEx.Matches(_textToSearch);
}
else if (__Grep.UseCaseSensitivity)
{
_regEx = new Regex(__Grep.SearchText);
_col = _regEx.Matches(_textToSearch);
}
else if (__Grep.UseWholeWordMatching)
{
_regEx = new Regex("\\b\\w*" + __Grep.SearchText + "\\w*\\b", RegexOptions.IgnoreCase);
_col = _regEx.Matches(_textToSearch);
}
else
{
_regEx = new Regex(__Grep.SearchText, RegexOptions.IgnoreCase);
_col = _regEx.Matches(_textToSearch);
}
// loop through the matches
_lastPos = 0;
for (_counter = 0; _counter < _col.Count; _counter++)
{
_item = _col[_counter];
// set the start text
txtHits.SelectionColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsForeColor);
// txtHits.SelectionBackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsBackColor);
// check for empty string to prevent assigning nothing to selection text preventing
// a system beep
_tempString = _textToSearch.Substring(_lastPos, _item.Index - _lastPos);
if (!_tempString.Equals(string.Empty))
txtHits.SelectedText = _tempString;
// set the hit text
txtHits.SelectionColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.HighlightForeColor);
// txtHits.SelectionBackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.HighlightBackColor);
txtHits.SelectedText = _textToSearch.Substring(_item.Index, _item.Length);
// set the end text
txtHits.SelectionColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsForeColor);
// txtHits.SelectionBackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsBackColor);
if (_counter + 1 >= _col.Count)
{
// no more hits so just set the rest
txtHits.SelectedText = _textToSearch.Substring(_item.Index + _item.Length);
_lastPos = _item.Index + _item.Length;
}
else
{
// another hit so just set inbetween
txtHits.SelectedText = _textToSearch.Substring(_item.Index + _item.Length, _col[_counter + 1].Index - (_item.Index + _item.Length));
_lastPos = _col[_counter + 1].Index;
}
}
if (_col.Count == 0)
{
// no match, just a context line
txtHits.SelectionColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsForeColor);
// txtHits.SelectionBackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsBackColor);
txtHits.SelectedText = _textToSearch;
}
}
}
/// <summary>
/// Highlight the searched text in the results
/// </summary>
/// <param name="hit">Hit Object containing results</param>
/// <history>
/// [Curtis_Beard] 01/27/2005 Created
/// [Curtis_Beard] 04/12/2005 FIX: 1180741, Don't capitalize hit line
/// [Curtis_Beard] 11/18/2005 ADD: custom highlight colors
/// [Curtis_Beard] 12/06/2005 CHG: call WholeWordOnly from Grep class
/// [Curtis_Beard] 04/21/2006 CHG: highlight regular expression searches
/// [Curtis_Beard] 09/28/2006 FIX: use grep object for settings instead of gui items
/// </history>
private void HighlightText(HitObject hit)
{
string _textToSearch = string.Empty;
string _searchText = __Grep.SearchText;
int _index = 0;
string _tempLine = string.Empty;
string _begin = string.Empty;
string _text = string.Empty;
string _end = string.Empty;
int _pos = 0;
bool _highlight = false;
// Clear the contents
txtHits.Text = string.Empty;
txtHits.ForeColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsForeColor);
txtHits.BackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsBackColor);
if (__Grep.UseRegularExpressions)
HighlightTextRegEx(hit);
else
{
// Loop through hits and highlight search for text
for (_index = 0; _index < hit.LineCount; _index++)
{
// Retrieve hit text
_textToSearch = hit.RetrieveLine(_index);
// Set default font
txtHits.SelectionFont = new Font("Courier New", 9.75F, FontStyle.Regular);
_tempLine = _textToSearch;
// attempt to locate the text in the line
if (__Grep.UseCaseSensitivity)
_pos = _tempLine.IndexOf(_searchText);
else
_pos = _tempLine.ToLower().IndexOf(_searchText.ToLower());
if (_pos > -1)
{
do
{
_highlight = false;
//
// retrieve parts of text
_begin = _tempLine.Substring(0, _pos);
_text = _tempLine.Substring(_pos, _searchText.Length);
_end = _tempLine.Substring(_pos + _searchText.Length);
// set default color for starting text
txtHits.SelectionColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsForeColor);
// txtHits.SelectionBackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsBackColor);
txtHits.SelectedText = _begin;
// do a check to see if begin and end are valid for wholeword searches
if (__Grep.UseWholeWordMatching)
_highlight = Grep.WholeWordOnly(_begin, _end);
else
_highlight = true;
// set highlight color for searched text
if (_highlight)
{
txtHits.SelectionColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.HighlightForeColor);
// txtHits.SelectionBackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.HighlightBackColor);
}
txtHits.SelectedText = _text;
// Check remaining string for other hits in same line
if (__Grep.UseCaseSensitivity)
_pos = _end.IndexOf(_searchText);
else
_pos = _end.ToLower().IndexOf(_searchText.ToLower());
// set default color for end, if no more hits in line
_tempLine = _end;
if (_pos < 0)
{
txtHits.SelectionColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsForeColor);
// txtHits.SelectionBackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsBackColor);
txtHits.SelectedText = _end;
}
}while (_pos > -1);
}
else
{
// set default color, no search text found
txtHits.SelectionColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsForeColor);
// txtHits.SelectionBackColor = Common.ConvertStringToColor(AstroGrep.Core.GeneralSettings.ResultsBackColor);
txtHits.SelectedText = _textToSearch;
}
}
}
}
/// <summary>
/// Updates the count column (Thread safe)
/// </summary>
/// <param name="hit">HitObject that contains updated information</param>
/// <history>
/// [Curtis_Beard] 11/21/2005 Created
/// </history>
private void UpdateHitCount(HitObject hit)
{
// Makes this a thread safe operation
if (lstFileNames.InvokeRequired)
{
UpdateHitCountCallBack _delegate = new UpdateHitCountCallBack(UpdateHitCount);
lstFileNames.Invoke(_delegate, new object[1] {hit});
return;
}
// find correct item to update
foreach (ListViewItem _item in lstFileNames.Items)
{
if (int.Parse(_item.SubItems[Constants.COLUMN_INDEX_GREP_INDEX].Text) == hit.Index)
{
_item.SubItems[Constants.COLUMN_INDEX_COUNT].Text = hit.HitCount.ToString();
break;
}
}
}
/// <summary>
/// A line has been detected to contain the searching text
/// </summary>
/// <param name="hit">The HitObject that contains the line</param>
/// <param name="index">The position in the HitObject's line collection</param>
/// <history>
/// [Curtis_Beard] 11/04/2005 Created
/// </history>
private void ReceiveLineHit(HitObject hit, int index)
{
// update count column
UpdateHitCount(hit);
}
/// <summary>
/// Searches the given file for the given search text.
/// </summary>
/// <param name="path">Fully qualified file path</param>
/// <param name="searchText">Text to locate</param>
/// <returns>Hitobject containing grep results, null if (not found or error</returns>
/// <history>
/// [Curtis_Beard] 07/27/2006 Created
/// </history>
public HitObject Grep(string path, string searchText)
{
if (this.IsAvailable && this.IsUsable)
{
try
{
if (File.Exists(path))
{
const int MARGINSIZE = 4;
int count = 0;
HitObject hit = null;
int prevLine = 0;
int prevPage = 0;
string _spacer = new string(' ', MARGINSIZE);
string _contextSpacer = string.Empty;
if (__contextLines > 0)
{
_contextSpacer = new string(' ', MARGINSIZE);
//_spacer = Right(_contextSpacer, MARGINSIZE - 2) + "> ";
_spacer = _contextSpacer.Substring(_contextSpacer.Length - MARGINSIZE - 2) + "> ";
}
else
{
_spacer = new string(' ', MARGINSIZE);
}
// Open a given Word document as readonly
object wordDocument = OpenDocument(path, true);
// Get Selection Property
__WordSelection = __WordType.InvokeMember("Selection", BindingFlags.GetProperty,
null, __WordApplication, null);
// create range and find objects
object range = GetProperty(wordDocument, "Content");
object find = GetProperty(range, "Find");
// setup find
RunRoutine(find, "ClearFormatting", null);
SetProperty(find, "Forward", true);
SetProperty(find, "Text", searchText);
SetProperty(find, "MatchWholeWord", __wholeWordMatch);
SetProperty(find, "MatchCase", __caseSensistiveMatch);
// start find
FindExecute(find);
// keep finding text
while ((bool)GetProperty(find, "Found") == true)
{
count += 1;
if (count == 1)
{
// create hit object
hit = new HitObject(path);
}
// since a hit was found and only displaying file names, quickly exit
if (__onlyFileNames)
{
break;
}
// retrieve find information
int start = (int)GetProperty(range, "Start");
int colNum = (int)Information(range, WdInformation.wdFirstCharacterColumnNumber);
int lineNum = (int)Information(range, WdInformation.wdFirstCharacterLineNumber);
int pageNum = (int)Information(range, WdInformation.wdActiveEndPageNumber);
string line = GetFindTextLine(start);
// don't add a hit if (on same line
if (!(prevLine == lineNum && prevPage == pageNum))
{
// check for line numbers
if (__includeLineNumbers)
{
// setup line header
_spacer = "(" + string.Format("{0},{1}", lineNum, pageNum);
if (_spacer.Length <= 5)
{
//_spacer = _spacer + Space(6 - _spacer.Length);
_spacer = _spacer + new string(' ', 6 - _spacer.Length);
}
_spacer = _spacer + ") ";
//_contextSpacer = "(" + Space(_spacer.Length - 3) + ") ";
_contextSpacer = "(" + new string(' ', _spacer.Length - 3) + ") ";
}
// remove any odd characters from the text
line = RemoveSpecialCharacters(line);
// add context lines before
// if (__contextLines > 0){
// For i As int = __contextLines To 1 Step -1
// SetProperty(__WordSelection, "Start", start)
// SelectionMoveUp(WdUnits.wdLine, i, WdMovementType.wdMove)
// Dim cxt As string = GetFindTextLine()
// cxt = RemoveSpecialCharacters(cxt)
// if (Not HitExists(cxt, hit)){
// hit.Add(_contextSpacer & cxt & NEW_LINE, lineNum - i, 1)
// End If
// Next
// End If
// add line
hit.Add(_spacer + line + NEW_LINE, lineNum, colNum);
// add context lines after
// if (__contextLines > 0){
// For i As int = 1 To __contextLines
// SetProperty(__WordSelection, "Start", start)
// SelectionMoveDown(WdUnits.wdLine, i, WdMovementType.wdMove)
// Dim cxt As string = GetFindTextLine()
// cxt = RemoveSpecialCharacters(cxt)
// if (Not HitExists(cxt, hit)){
// hit.Add(_contextSpacer & cxt & NEW_LINE, lineNum + i, 1)
// End If
// Next
// End If
}
hit.SetHitCount();
prevLine = lineNum;
prevPage = pageNum;
// find again
FindExecute(find);
}
ReleaseSelection();
CloseDocument(wordDocument);
return(hit);
}
}
catch (Exception ex)
{
Trace(ex.ToString());
}
}
return(null);
}