/// <summary>
/// Returns true when the <paramref name="textToFind"/> is found in the
/// <paramref name="fileName"/>
/// </summary>
/// <param name="fileName">The file to inspect</param>
/// <param name="textToFind">The text to find</param>
/// <param name="ignoreCase">Set to false to search case sensitive</param>
/// <returns></returns>
public bool FileContainsText(string fileName, string textToFind, bool ignoreCase = true)
{
using (var reader = new FilterReader(fileName))
{
string line;
while ((line = reader.ReadLine()) != null)
{
if (string.IsNullOrEmpty(line))
continue;
if (ignoreCase)
{
if (line.IndexOf(textToFind, StringComparison.InvariantCultureIgnoreCase) >= 0)
return true;
}
else
{
if (line.IndexOf(textToFind, StringComparison.InvariantCulture) >= 0)
return true;
}
}
}
return false;
}
/// <summary>
/// Returns true when the <paramref name="regularExpression"/> is found in the
/// <paramref name="fileName"/>
/// </summary>
/// <param name="fileName">The file to inspect</param>
/// <param name="regularExpression">The regular expression to use</param>
/// <param name="ignoreCase">Set to false to search case sensitive</param>
/// <returns></returns>
public bool FileContainsRegexMatch(string fileName, string regularExpression, bool ignoreCase = true)
{
var regex = new Regex(regularExpression, ignoreCase ? RegexOptions.IgnoreCase : RegexOptions.None);
using (var reader = new FilterReader(fileName))
{
var line = reader.ReadLine();
if (string.IsNullOrEmpty(line))
return false;
if (regex.IsMatch(line))
return true;
}
return false;
}
/// <summary>
/// Returns true when at least one of the given <paramref name="textToFind"/> is found
/// in the <paramref name="fileName"/>
/// </summary>
/// <param name="fileName">The file to inspect</param>
/// <param name="textToFind">The array with one or more text to find</param>
/// <param name="ignoreCase">Set to false to search case sensitive</param>
/// <returns></returns>
public bool FileContainsText(string fileName, string[] textToFind, bool ignoreCase = true)
{
using (var reader = new FilterReader(fileName))
{
var line = reader.ReadLine();
if (string.IsNullOrEmpty(line))
return false;
if (ignoreCase)
line = line.ToUpperInvariant();
if (textToFind.Any(text => line.Contains(text)))
return true;
}
return false;
}
private void SelectButton_Click(object sender, EventArgs e)
{
// Create an instance of the open file dialog box.
var openFileDialog1 = new OpenFileDialog
{
// ReSharper disable once LocalizableElement
Filter = "Alle files (*.*)|*.*",
FilterIndex = 1,
Multiselect = false
};
// Process input if the user clicked OK.
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
FileLabel.Text = openFileDialog1.FileName;
FindTextButton.Enabled = true;
TextToFindTextBox.Enabled = true;
FindWithRegexButton.Enabled = true;
TextToFindWithRegexTextBox.Enabled = true;
try
{
DisableInput();
FilterTextBox.AppendText("*** Processing file '" + openFileDialog1.FileName + "' ***" + Environment.NewLine + Environment.NewLine);
Application.DoEvents();
var stopWatch = new Stopwatch();
using (
var reader = new FilterReader(openFileDialog1.FileName,
string.Empty,
DisableEmbeddedContentCheckBox.Checked,
IncludePropertiesCheckBox.Checked,
ReadIntoMemoryCheckBox.Checked))
{
stopWatch.Start();
string line;
while ((line = reader.ReadLine()) != null)
{
FilterTextBox.AppendText(line + Environment.NewLine);
Application.DoEvents();
}
stopWatch.Stop();
FilterTextBox.AppendText(Environment.NewLine + "*** DONE IN " + stopWatch.Elapsed + " ***" + Environment.NewLine);
Application.DoEvents();
}
}
catch (Exception exception)
{
DisableInput();
FilterTextBox.Text = exception.StackTrace + Environment.NewLine + GetInnerException(exception);
}
finally
{
EnableInput();
}
}
}
/// <summary>
/// Returns an array with all the matches that are found with the give <see cref="regularExpression"/> regular expression
/// </summary>
/// <param name="fileName">The file to inspect</param>
/// <param name="regularExpression">The regular expression to use</param>
/// <param name="ignoreCase">Set to false to search case sensitive</param>
/// <returns></returns>
public string[] GetRegexMatchesFromFile(string fileName, string regularExpression, bool ignoreCase = true)
{
var regex = new Regex(regularExpression, ignoreCase ? RegexOptions.IgnoreCase : RegexOptions.None);
var result = new List<string>();
using (var reader = new FilterReader(fileName))
{
var text = reader.ReadToEnd();
result.AddRange(from Match match in regex.Matches(text) select match.ToString());
}
return result.ToArray();
}
/// <summary>
/// Returns all the text that is inside the <paramref name="fileName"/>
/// </summary>
/// <param name="fileName">The file to read</param>
/// <returns></returns>
public string GetAllText(string fileName)
{
using (var reader = new FilterReader(fileName))
return reader.ReadToEnd();
}
/// <summary>
/// Returns true when at least one of the given <paramref name="textToFind"/> is found
/// in the <paramref name="fileName"/>
/// </summary>
/// <param name="fileName">The file to inspect</param>
/// <param name="textToFind">The array with one or more text to find</param>
/// <param name="ignoreCase">Set to false to search case sensitive</param>
/// <returns></returns>
public bool FileContainsTextFromArray(string fileName, string[] textToFind, bool ignoreCase = true)
{
using (var reader = new FilterReader(fileName))
{
string line;
while ((line = reader.ReadLine()) != null)
{
if (string.IsNullOrEmpty(line))
continue;
if (ignoreCase)
line = line.ToUpperInvariant();
foreach (var text in textToFind)
{
var temp = text;
if (ignoreCase)
temp = text.ToUpperInvariant();
if (line.Contains(temp))
return true;
}
}
}
return false;
}
