/// <summary>Should be overridden to reset settings to their default values.</summary>
public override void ResetSettings()
{
Groups.Clear();
Groups.Add(new AlignGroup("Assignments", 1,
new AlignPattern(EPattern.RegularExpression, @"(?<![+\-*/%^~&|!=<>])=(?![=<>])", 0, 1, "Assignment not preceded by: +,-,*,/,%,^,~,&,|,!,=,<,> and not followed by: =,<,>"),
new AlignPattern(EPattern.RegularExpression, @"(?<![&|])[+\-*/%^~&|]={1}", -1, 2, "Assignment preceded by: +,-,*,/,%,^,~,&,| but not preceded by &&,||"),
new AlignPattern(EPattern.RegularExpression, @"&&=|\|\|=", -2, 3, "Assignments &&= and ||=")));
Groups.Add(new AlignGroup("Lambda", 1,
new AlignPattern(EPattern.Substring, @"=>")));
Groups.Add(new AlignGroup("Comparisons", 1,
new AlignPattern(EPattern.Substring, @"==", 0, 2),
new AlignPattern(EPattern.Substring, @"!=", 0, 2),
new AlignPattern(EPattern.Substring, @"<=", 0, 2),
new AlignPattern(EPattern.Substring, @">=", 0, 2),
new AlignPattern(EPattern.RegularExpression, @"(?<!=)>(?!=)", 0, 1, "> not preceded or followed by ="),
new AlignPattern(EPattern.RegularExpression, @"(?<!=)<(?!=)", 0, 1, "< not preceded or followed by =")));
Groups.Add(new AlignGroup("Boolean operators", 1,
new AlignPattern(EPattern.Substring, @"&&"),
new AlignPattern(EPattern.Substring, @"||")));
Groups.Add(new AlignGroup("Line comments", 1,
new AlignPattern(EPattern.RegularExpression, @"/{2,}", 0, 0, "Two or more '/' characters")));
Groups.Add(new AlignGroup("Open brackets", 0,
new AlignPattern(EPattern.Substring, @"(")));
Groups.Add(new AlignGroup("Close brackets", 0,
new AlignPattern(EPattern.Substring, @")")));
Groups.Add(new AlignGroup("Scope start", 0,
new AlignPattern(EPattern.Substring, @"{")));
Groups.Add(new AlignGroup("Scope end", 1,
new AlignPattern(EPattern.Substring, @"}")));
Groups.Add(new AlignGroup("Increment / Decrement", 1,
new AlignPattern(EPattern.Substring, @"++"),
new AlignPattern(EPattern.Substring, @"--")));
Groups.Add(new AlignGroup("Plus / Minus", 1,
new AlignPattern(EPattern.RegularExpression, @"(?<!\+)\+(?!\+)", 0, 1, "Matches '+' but not '++'"),
new AlignPattern(EPattern.RegularExpression, @"(?<!\-)\-(?!\-)", 0, 1, "Matches '-' but not '--'")));
Groups.Add(new AlignGroup("Comma delimiter", 0,
new AlignPattern(EPattern.Substring, @",")));
Groups.Add(new AlignGroup("Members", 1,
new AlignPattern(EPattern.RegularExpression, @"(?<![~^])(?<=\s)m_[0-9a-zA-Z_]*", 0, 1, "Matches class members that begin with 'm_'"),
new AlignPattern(EPattern.RegularExpression, @"(?<![~^])(?<=\s)_[0-9a-zA-Z_]*", 0, 1, "Matches class members that begin with '_'"),
new AlignPattern(EPattern.RegularExpression, @"(?<=\s)[_a-zA-z][_a-zA-Z0-9]*_", 0, 1, "Matches class members that end with '_'")));
AlignStyle = EAlignCharacters.Spaces;
}
public Aligner(IEnumerable <AlignGroup> groups, EAlignCharacters style, IWpfTextView view, EAction action)
{
m_view = view;
m_groups = groups.ToList();
m_snapshot = m_view.TextSnapshot;
m_tab_size = m_view.Options.GetOptionValue(DefaultOptions.TabSizeOptionId);
m_action = action;
m_style = style;
// Get the current line number, line, line position, and selection
var selection = new Selection(m_view);
// Prioritise the pattern groups to align on
var grps = PrioritisePatterns(selection);
// Find the edits to make
var edits = FindAlignments(selection, grps, out var fallback_line_span);
// Make the alignment edits
if (edits.Count != 0)
{
switch (action)
{
case EAction.Align:
DoAligning(edits);
break;
case EAction.Unalign:
DoUnaligning(edits);
break;
}
}
else if (m_action == EAction.Unalign)
{
// If there is no selection then use the 'fallback_line_span' if available. This provides behaviour that the user
// would otherwise interpret as a bug. Unalignment, when an alignment pattern is used, removes trailing whitespace
// from all rows affected by the aligning. When there is nothing left to unalign, the user would still expected
// trailing whitespace to be removed from a block that would otherwise be (un)aligned.
var line_range = (selection.IsEmpty && fallback_line_span != null)
? fallback_line_span.Value : selection.Lines;
UnalignSelection(line_range);
}
}
/// <summary>Load settings from AppData</summary>
public override void LoadSettingsFromStorage()
{
// Note: the 'LoadSettingsFromXml' and 'SaveSettingsToXml' methods are
// only used when the user Exports or Imports their settings.
// To/From storage are used for normal saving.
try
{
var filepath = SettingsFilepath;
if (!Path_.FileExists(filepath))
{
return;
}
// Load the settings XML file
var root = XDocument.Load(filepath).Root;
var grps = root.Elements(nameof(Groups), nameof(AlignGroup)).Select(x => x.As <AlignGroup>());
Groups.Assign(grps);
// Load other settings
AlignStyle = root.Element(nameof(AlignStyle)).As <EAlignCharacters>(EAlignCharacters.Spaces);
}
catch { } // Don't allow anything to throw from here, otherwise VS locks up... :-/
}
