/// <summary>
/// Run the visual studio built-in remove unused using statements command.
/// </summary>
/// <param name="textDocument">The text document to update.</param>
/// <param name="isAutoSave">A flag indicating if occurring due to auto-save.</param>
public void RemoveUnusedUsingStatements(TextDocument textDocument, bool isAutoSave)
{
if (!Settings.Default.Cleaning_RunVisualStudioRemoveUnusedUsingStatements)
{
return;
}
if (isAutoSave && Settings.Default.Cleaning_SkipRemoveUnusedUsingStatementsDuringAutoCleanupOnSave)
{
return;
}
// Capture all existing using statements that should be re-inserted if removed.
string patternFormat = _package.UsePOSIXRegEx
? @"^:b*{0}:b*\n"
: @"^[ \t]*{0}[ \t]*\r?\n";
var points = (from usingStatement in _usingStatementsToReinsertWhenRemoved.Value
from editPoint in TextDocumentHelper.FindMatches(textDocument, string.Format(patternFormat, usingStatement))
select new { editPoint, text = editPoint.GetLine() }).Reverse().ToList();
_package.IDE.ExecuteCommand("Edit.RemoveUnusedUsings", String.Empty);
// Check each using statement point and re-insert it if removed.
foreach (var point in points)
{
string text = point.editPoint.GetLine();
if (text != point.text)
{
point.editPoint.StartOfLine();
point.editPoint.Insert(point.text);
point.editPoint.Insert(Environment.NewLine);
}
}
}
/// <summary>
/// Run the visual studio built-in remove and sort using statements command.
/// </summary>
/// <remarks>
/// Before VS2017 these were two separate commands. Starting in VS2017 they were merged into one.
/// </remarks>
/// <param name="textDocument">The text document to update.</param>
public void RemoveAndSortUsingStatements(TextDocument textDocument)
{
if (!Settings.Default.Cleaning_RunVisualStudioRemoveAndSortUsingStatements)
{
return;
}
if (_package.IsAutoSaveContext && Settings.Default.Cleaning_SkipRemoveAndSortUsingStatementsDuringAutoCleanupOnSave)
{
return;
}
// Capture all existing using statements that should be re-inserted if removed.
const string patternFormat = @"^[ \t]*{0}[ \t]*\r?\n";
var points = (from usingStatement in _usingStatementsToReinsertWhenRemoved.Value
from editPoint in TextDocumentHelper.FindMatches(textDocument, string.Format(patternFormat, usingStatement))
select new { editPoint, text = editPoint.GetLine() }).Reverse().ToList();
// Shift every captured point one character to the right so they will auto-advance
// during new insertions at the start of the line.
foreach (var point in points)
{
point.editPoint.CharRight();
}
if (_package.IDEVersion >= 15)
{
_commandHelper.ExecuteCommand(textDocument, "EditorContextMenus.CodeWindow.RemoveAndSort");
}
else
{
_commandHelper.ExecuteCommand(textDocument, "Edit.RemoveUnusedUsings");
_commandHelper.ExecuteCommand(textDocument, "Edit.SortUsings");
}
// Check each using statement point and re-insert it if removed.
foreach (var point in points)
{
string text = point.editPoint.GetLine();
if (text != point.text)
{
point.editPoint.StartOfLine();
point.editPoint.Insert(point.text);
point.editPoint.Insert(Environment.NewLine);
}
}
}
/// <summary>
/// Retrieves code regions from the specified text selection.
/// </summary>
/// <param name="textSelection">The text selection to walk.</param>
/// <returns>An enumerable collection of regions.</returns>
internal IEnumerable <CodeItemRegion> RetrieveCodeRegions(TextSelection textSelection)
{
var editPoints = TextDocumentHelper.FindMatches(textSelection, RegionPattern);
return(RetrieveCodeRegions(editPoints));
}
