private bool Move(Direction direction)
{
if (!EnsureInitialized())
{
return(false);
}
int position = _textView.Caret.Position.BufferPosition.Position;
ParseItem item = _tree.StyleSheet.ItemBeforePosition(position);
if (item == null)
{
return(false);
}
NumericalValue unit = item.FindType <NumericalValue>();
if (unit != null)
{
return(HandleUnits(direction, unit));
}
HexColorValue hex = item.FindType <HexColorValue>();
if (hex != null)
{
return(HandleHex(direction, hex));
}
return(false);
}
private bool Move(Direction direction)
{
if (!EnsureInitialized())
{
return(false);
}
int position = _textView.Caret.Position.BufferPosition.Position;
ParseItem item = _tree.StyleSheet.ItemBeforePosition(position);
Declaration dec = item.FindType <Declaration>();
if (dec != null)
{
return(HandleDeclaration(direction, dec));
}
Selector selector = item.FindType <Selector>();
if (selector != null)
{
return(HandleSelector(direction, selector));
}
return(false);
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (session == null || qiContent == null)
{
return;
}
// Map the trigger point down to our buffer.
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
var tree = CssEditorDocument.FromTextBuffer(_buffer);
ParseItem item = tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null || !item.IsValid)
{
return;
}
Selector sel = item.FindType <Selector>();
if (sel == null)
{
return;
}
// Mixins don't have specificity
if (sel.SimpleSelectors.Count == 1)
{
var subSelectors = sel.SimpleSelectors[0].SubSelectors;
if (subSelectors.Count == 1 &&
subSelectors[0] is LessMixinDeclaration &&
subSelectors[0] is ScssMixinDeclaration)
{
return;
}
}
applicableToSpan = _buffer.CurrentSnapshot.CreateTrackingSpan(item.Start, item.Length, SpanTrackingMode.EdgeNegative);
if (_buffer.ContentType.DisplayName.Equals("css", StringComparison.OrdinalIgnoreCase))
{
qiContent.Add(GenerateContent(sel));
return;
}
HandlePreprocessor(session, point.Value, item.FindType <Selector>(), qiContent);
}
private void UpdateAtCaretPosition(CaretPosition caretPosition)
{
SnapshotPoint?point = caretPosition.Point.GetPoint(_buffer, caretPosition.Affinity);
if (!point.HasValue)
{
return;
}
var doc = CssEditorDocument.FromTextBuffer(_buffer);
ParseItem item = doc.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null)
{
return;
}
ParseItem validItem;
validItem = item.FindType <ItemName>()
?? item.FindType <ClassSelector>()
?? item.FindType <IdSelector>()
?? item.FindType <LessVariableName>()
?? (ParseItem)item.FindType <LessMixinName>();
if (validItem == null)
{
return;
// There is no separate token type for a property name,
// so I need to ensure that we are in the name portion.
//var decl = item.FindType<Declaration>();
//if (decl != null && item.Parent != decl.PropertyName)
// validItem = decl.PropertyName;
//TODO: What was this for?
}
// If the new caret position is still within the current word (and on the same snapshot), we don't need to check it
if (_currentWord.HasValue &&
_currentWord.Value.Snapshot == _view.TextSnapshot &&
point.Value >= _currentWord.Value.Start &&
point.Value <= _currentWord.Value.End)
{
return;
}
_requestedPoint = point.Value;
Task.Run(new Action(() => UpdateWordAdornments(validItem)));
}
public ItemCheckResult CheckItem(ParseItem item, ICssCheckerContext context)
{
if (!WESettings.Instance.Css.ValidateZeroUnit)
return ItemCheckResult.Continue;
NumericalValue number = (NumericalValue)item;
UnitValue unit = number as UnitValue;
if (unit == null || context == null || item.FindType<Declaration>() == null)
return ItemCheckResult.Continue;
// The 2nd and 3rd arguments to hsl() require units even when zero
var function = unit.Parent.Parent as FunctionColor;
if (function != null && function.FunctionName.Text.StartsWith("hsl", StringComparison.OrdinalIgnoreCase))
{
var arg = unit.Parent as FunctionArgument;
if (arg != function.Arguments[0])
return ItemCheckResult.Continue;
}
if (number.Number.Text == "0" && unit.UnitType != UnitType.Unknown && unit.UnitType != UnitType.Time)
{
string message = string.Format(System.Globalization.CultureInfo.CurrentCulture, Resources.BestPracticeZeroUnit, unit.UnitToken.Text);
context.AddError(new SimpleErrorTag(number, message));
}
return ItemCheckResult.Continue;
}
private void UpdateVendorValues(ParseItem item)
{
Declaration dec = item.FindType <Declaration>();
if (dec != null && Cache.Contains(dec) && !dec.IsVendorSpecific())
{
// Find all vendor specifics that isn't the standard property.
var matches = Cache.Where(d => d.IsValid && d != dec && d.Parent == dec.Parent && GetStandardName(d) == dec.PropertyName.Text && d.PropertyName.Text != dec.PropertyName.Text);
// Undo sometimes messes with the positions, so we have to make this check before proceeding.
if (!matches.Any() || dec.Text.Length < dec.Colon.AfterEnd - dec.Start || dec.Colon.AfterEnd < dec.Start)
{
return;
}
string text = dec.Text.Substring(dec.Colon.AfterEnd - dec.Start, dec.AfterEnd - dec.Colon.AfterEnd);
using (ITextEdit edit = _buffer.CreateEdit())
{
foreach (Declaration match in matches.Reverse())
{
SnapshotSpan span = new SnapshotSpan(_buffer.CurrentSnapshot, match.Colon.AfterEnd, match.AfterEnd - match.Colon.AfterEnd);
if (span.GetText() != text)
{
edit.Replace(span, text);
}
}
edit.Apply();
}
}
}
public ItemCheckResult CheckItem(ParseItem item, ICssCheckerContext context)
{
if (item.Text.TrimStart(':').StartsWith("-"))
return ItemCheckResult.Continue;
ParseItem next = item.NextSibling;
//ParseItem prev = item.PreviousSibling;
SimpleSelector sel = item.FindType<SimpleSelector>();
//if (item.Text == ":hover" && prev != null && _invalids.Contains(prev.Text))
//{
// string error = string.Format(Resources.ValidationHoverOrder, prev.Text);
// context.AddError(new SimpleErrorTag(item, error, CssErrorFlags.TaskListError | CssErrorFlags.UnderlineRed));
//}
if (next != null)
{
if (next.Text.StartsWith(":") && item.IsPseudoElement() && !next.IsPseudoElement())
{
string error = string.Format(Resources.ValidationPseudoOrder, item.Text, next.Text);
context.AddError(new SimpleErrorTag(item, error, CssErrorFlags.TaskListError | CssErrorFlags.UnderlineRed));
}
else if (!next.Text.StartsWith(":") && item.AfterEnd == next.Start)
{
string error = string.Format(Resources.BestPracticePseudosAfterOtherSelectors, next.Text);
context.AddError(new SimpleErrorTag(next, error));
}
}
return ItemCheckResult.Continue;
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList<object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (!EnsureTreeInitialized() || session == null || qiContent == null)
return;
// Map the trigger point down to our buffer.
SnapshotPoint? point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
return;
ParseItem item = _tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null || !item.IsValid)
return;
Selector sel = item.FindType<Selector>();
if (sel == null)
return;
applicableToSpan = _buffer.CurrentSnapshot.CreateTrackingSpan(item.Start, item.Length, SpanTrackingMode.EdgeNegative);
string content = GenerateContent(sel);
qiContent.Add(content);
}
public CssCompletionContext GetCompletionContext(ParseItem item, int position)
{
if (item.FindType<AttributeSelector>() != null)
return null;
return new CssCompletionContext((CssCompletionContextType)601, item.Start, item.Length, null);
}
public void AugmentSignatureHelpSession(ISignatureHelpSession session, IList <ISignature> signatures)
{
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
CssEditorDocument document = CssEditorDocument.FromTextBuffer(_buffer);
ParseItem item = document.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null)
{
return;
}
Declaration dec = item.FindType <Declaration>();
if (dec == null || dec.PropertyName == null || dec.Colon == null)
{
return;
}
foreach (ISignature signature in signatures)
{
if (signature is ValueOrderSignature)
{
signatures.RemoveAt(signatures.Count - 1);
break;
}
}
}
public ItemCheckResult CheckItem(ParseItem item, ICssCheckerContext context)
{
if (!WESettings.Instance.Css.ValidateZeroUnit)
{
return(ItemCheckResult.Continue);
}
NumericalValue number = (NumericalValue)item;
UnitValue unit = number as UnitValue;
if (unit == null || context == null || item.FindType <Declaration>() == null)
{
return(ItemCheckResult.Continue);
}
// The 2nd and 3rd arguments to hsl() require units even when zero
var function = unit.Parent.Parent as FunctionColor;
if (function != null && function.FunctionName.Text.StartsWith("hsl", StringComparison.OrdinalIgnoreCase))
{
var arg = unit.Parent as FunctionArgument;
if (arg != function.Arguments[0])
{
return(ItemCheckResult.Continue);
}
}
if (number.Number.Text == "0" && unit.UnitType != UnitType.Unknown && unit.UnitType != UnitType.Time)
{
string message = string.Format(System.Globalization.CultureInfo.CurrentCulture, Resources.BestPracticeZeroUnit, unit.UnitToken.Text);
context.AddError(new SimpleErrorTag(number, message));
}
return(ItemCheckResult.Continue);
}
public ItemCheckResult CheckItem(ParseItem item, ICssCheckerContext context)
{
if (item.Text.TrimStart(':').StartsWith("-"))
{
return(ItemCheckResult.Continue);
}
ParseItem next = item.NextSibling;
//ParseItem prev = item.PreviousSibling;
SimpleSelector sel = item.FindType <SimpleSelector>();
//if (item.Text == ":hover" && prev != null && _invalids.Contains(prev.Text))
//{
// string error = string.Format(Resources.ValidationHoverOrder, prev.Text);
// context.AddError(new SimpleErrorTag(item, error, CssErrorFlags.TaskListError | CssErrorFlags.UnderlineRed));
//}
if (next != null)
{
if (next.Text.StartsWith(":") && item.IsPseudoElement() && !next.IsPseudoElement())
{
string error = string.Format(Resources.ValidationPseudoOrder, item.Text, next.Text);
context.AddError(new SimpleErrorTag(item, error, CssErrorFlags.TaskListError | CssErrorFlags.UnderlineRed));
}
else if (!next.Text.StartsWith(":") && item.AfterEnd == next.Start)
{
string error = string.Format(Resources.BestPracticePseudosAfterOtherSelectors, next.Text);
context.AddError(new SimpleErrorTag(next, error));
}
}
return(ItemCheckResult.Continue);
}
private void UpdateAtCaretPosition(CaretPosition caretPosition)
{
if (!WESettings.GetBoolean(WESettings.Keys.EnableCssSelectorHighligting))
{
return;
}
SnapshotPoint?point = caretPosition.Point.GetPoint(_buffer, caretPosition.Affinity);
if (!point.HasValue || !EnsureInitialized())
{
return;
}
ParseItem item = _tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null)
{
return;
}
ParseItem validItem = item.FindType <ItemName>();
if (validItem == null)
{
validItem = item.FindType <ClassSelector>();
}
if (validItem == null)
{
validItem = item.FindType <IdSelector>();
}
// If the new caret position is still within the current word (and on the same snapshot), we don't need to check it
if (_currentWord.HasValue &&
_currentWord.Value.Snapshot == _view.TextSnapshot &&
point.Value >= _currentWord.Value.Start &&
point.Value <= _currentWord.Value.End)
{
return;
}
_requestedPoint = point.Value;
Task.Run(new Action(() => UpdateWordAdornments(validItem)));
//UpdateWordAdornments(validItem);
}
public IEnumerable<ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
RuleSet rule = item.FindType<RuleSet>();
if (rule == null || !rule.Block.IsValid || UsageRegistry.IsRuleUsed(rule))
yield break;
yield return new RemoveCssRuleSmartTagAction(itemTrackingSpan, rule);
}
public IEnumerable<ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
RuleSet rule = item.FindType<RuleSet>();
if (rule == null || !rule.IsValid || !rule.Block.IsValid)
yield break;
yield return new SortSmartTagAction(rule, itemTrackingSpan, view);
}
public IEnumerable<ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
LessRuleBlock rule = item.FindType<LessRuleBlock>();
if (!item.IsValid || rule == null)
yield break;
yield return new LessExtractVariableSmartTagAction(itemTrackingSpan, item, "@");
}
public CssCompletionContext GetCompletionContext(ParseItem item, int position)
{
if (item.FindType <AttributeSelector>() != null)
{
return(null);
}
return(new CssCompletionContext((CssCompletionContextType)601, item.Start, item.Length, null));
}
public IEnumerable <ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
UrlItem url = (UrlItem)item;
if (!url.IsValid || url.UrlString == null || !url.UrlString.Text.Contains(";base64,"))
{
yield break;
}
CComment comment = url.NextSibling as CComment;
if (comment != null && comment.CommentText != null)
{
string path = comment.CommentText.Text.Trim();
yield return(new UpdateEmbedSmartTagAction(itemTrackingSpan, url, path));
}
else
{
RuleBlock rule = item.FindType <RuleBlock>();
Declaration dec = item.FindType <Declaration>();
if (rule == null || dec == null || dec.PropertyName == null)
{
yield break;
}
foreach (Declaration sibling in rule.Declarations.Where(d => d.PropertyName != null && d != dec))
{
if (sibling.PropertyName.Text == "*" + dec.PropertyName.Text || sibling.PropertyName.Text == "_" + dec.PropertyName.Text)
{
var visitor = new CssItemCollector <UrlItem>();
sibling.Accept(visitor);
UrlItem siblingUrl = visitor.Items.FirstOrDefault();
if (siblingUrl != null && siblingUrl.UrlString != null)
{
yield return(new UpdateEmbedSmartTagAction(itemTrackingSpan, url, siblingUrl.UrlString.Text));
break;
}
}
}
}
}
private bool Jump()
{
if (!EnsureInitialized())
{
return(false);
}
int position = _textView.Caret.Position.BufferPosition.Position;
ParseItem item = _tree.StyleSheet.ItemBeforePosition(position);
if (item != null)
{
RuleBlock rule = item.FindType <RuleBlock>();
Declaration dec = item.FindType <Declaration>();
if (rule != null && dec != null)
{
CommitStatementCompletion();
var line = _textView.TextSnapshot.GetLineFromPosition(position);
string text = line.Extent.GetText().TrimEnd();
if (!string.IsNullOrWhiteSpace(text) && !text.EndsWith(";"))
{
using (ITextEdit edit = _textView.TextBuffer.CreateEdit())
{
edit.Replace(line.Extent, text + ";");
edit.Apply();
}
}
EditorExtensionsPackage.ExecuteCommand("Edit.FormatSelection");
SnapshotPoint point = new SnapshotPoint(_textView.TextBuffer.CurrentSnapshot, rule.AfterEnd);
_textView.Caret.MoveTo(point);
_textView.ViewScroller.EnsureSpanVisible(new SnapshotSpan(point, 0));
return(true);
}
}
return(false);
}
public CssCompletionContext GetCompletionContext(ParseItem item, int position)
{
RuleSet rule = item.FindType <RuleSet>();
if (rule != null && rule.Parent is LessRuleBlock)
{
return(new CssCompletionContext(CssCompletionContextType.Invalid, item.Start, item.Length, item));
}
return(null);
}
public CssCompletionContext GetCompletionContext(ParseItem item, int position)
{
RuleSet rule = item.FindType<RuleSet>();
if (rule != null && rule.Parent is LessRuleBlock)
{
return new CssCompletionContext(CssCompletionContextType.Invalid, item.Start, item.Length, item);
}
return null;
}
public IEnumerable <ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
ScssRuleBlock rule = item.FindType <ScssRuleBlock>();
if (!item.IsValid || rule == null)
{
yield break;
}
yield return(new LessExtractVariableSmartTagAction(itemTrackingSpan, item, "$"));
}
public IEnumerable <ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
RuleSet rule = item.FindType <RuleSet>();
if (rule == null || rule.Block == null || !rule.Block.IsValid || UsageRegistry.IsRuleUsed(rule))
{
yield break;
}
yield return(new RemoveCssRuleSmartTagAction(itemTrackingSpan, rule));
}
public IEnumerable <ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
RuleSet rule = item.FindType <RuleSet>();
if (rule == null || !rule.IsValid || !rule.Block.IsValid)
{
yield break;
}
yield return(new SortSmartTagAction(rule, itemTrackingSpan, view));
}
private bool SchemaLookup(ParseItem item)
{
if (item is ClassSelector || item is IdSelector || item is ItemName || item.Parent is RuleBlock || item.Parent is StyleSheet)
return false;
ICssSchemaInstance schema = CssSchemaManager.SchemaManager.GetSchemaRootForBuffer(TextView.TextBuffer);
Declaration dec = item.FindType<Declaration>();
if (dec != null && dec.PropertyName != null)
return OpenReferenceUrl(schema.GetProperty, dec.PropertyName.Text, "http://realworldvalidator.com/css/properties/");
PseudoClassFunctionSelector pseudoClassFunction = item.FindType<PseudoClassFunctionSelector>();
if (pseudoClassFunction != null)
return OpenReferenceUrl(schema.GetPseudo, pseudoClassFunction.Colon.Text + pseudoClassFunction.Function.FunctionName.Text + ")", "http://realworldvalidator.com/css/pseudoclasses/");
PseudoElementFunctionSelector pseudoElementFunction = item.FindType<PseudoElementFunctionSelector>();
if (pseudoElementFunction != null)
return OpenReferenceUrl(schema.GetPseudo, pseudoElementFunction.DoubleColon.Text + pseudoElementFunction.Function.FunctionName.Text + ")", "http://realworldvalidator.com/css/pseudoelements/");
PseudoElementSelector pseudoElement = item.FindType<PseudoElementSelector>();
if (pseudoElement != null && pseudoElement.PseudoElement != null)
return OpenReferenceUrl(schema.GetPseudo, pseudoElement.DoubleColon.Text + pseudoElement.PseudoElement.Text, "http://realworldvalidator.com/css/pseudoelements/");
PseudoClassSelector pseudoClass = item.FindType<PseudoClassSelector>();
if (pseudoClass != null && pseudoClass.PseudoClass != null)
return OpenReferenceUrl(schema.GetPseudo, pseudoClass.Colon.Text + pseudoClass.PseudoClass.Text, "http://realworldvalidator.com/css/pseudoclasses/");
AtDirective directive = item.FindType<AtDirective>();
if (directive != null)
return OpenReferenceUrl(schema.GetAtDirective, directive.At.Text + directive.Keyword.Text, "http://realworldvalidator.com/css/atdirectives/");
return false;
}
private async Task <IEnumerable <CssSourceMapNode> > ProcessSourceMaps()
{
ParseItem item = null;
Selector selector = null;
StyleSheet styleSheet = null;
int start;
var fileContents = "";
var result = new List <CssSourceMapNode>();
var contentCollection = new HashSet <string>();
foreach (var node in MapNodes)
{
// Cache source file contents.
if (!contentCollection.Contains(node.SourceFilePath))
{
if (!File.Exists(node.SourceFilePath)) // Lets say someone deleted the reference file.
{
continue;
}
fileContents = await FileHelpers.ReadAllTextRetry(node.SourceFilePath);
contentCollection.Add(node.SourceFilePath);
styleSheet = _parser.Parse(fileContents, false);
}
start = fileContents.NthIndexOfCharInString('\n', node.OriginalLine);
start += node.OriginalColumn;
item = styleSheet.ItemAfterPosition(start);
if (item == null)
{
continue;
}
selector = item.FindType <Selector>();
if (selector == null)
{
continue;
}
node.OriginalSelector = selector;
result.Add(node);
}
return(result);
}
public IEnumerable<ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
UrlItem url = (UrlItem)item;
if (!url.IsValid || url.UrlString == null || !url.UrlString.Text.Contains(";base64,"))
yield break;
CComment comment = url.NextSibling as CComment;
if (comment != null && comment.CommentText != null)
{
string path = comment.CommentText.Text.Trim();
yield return new UpdateEmbedSmartTagAction(itemTrackingSpan, path);
}
else
{
RuleBlock rule = item.FindType<RuleBlock>();
Declaration dec = item.FindType<Declaration>();
if (rule == null || dec == null || dec.PropertyName == null)
yield break;
foreach (Declaration sibling in rule.Declarations.Where(d => d.PropertyName != null && d != dec))
{
if (sibling.PropertyName.Text == "*" + dec.PropertyName.Text || sibling.PropertyName.Text == "_" + dec.PropertyName.Text)
{
var visitor = new CssItemCollector<UrlItem>();
sibling.Accept(visitor);
UrlItem siblingUrl = visitor.Items.FirstOrDefault();
if (siblingUrl != null && siblingUrl.UrlString != null)
{
yield return new UpdateEmbedSmartTagAction(itemTrackingSpan, siblingUrl.UrlString.Text);
break;
}
}
}
}
}
private bool Move(Direction direction)
{
if (WebEditor.Host == null)
{
return(false);
}
var point = _textView.BufferGraph.MapDownToInsertionPoint(_textView.Caret.Position.BufferPosition, PointTrackingMode.Positive, ts => ts.ContentType.IsOfType(CssContentTypeDefinition.CssContentType));
if (point == null)
{
return(false);
}
var tree = CssEditorDocument.FromTextBuffer(point.Value.Snapshot.TextBuffer);
ParseItem item = tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null)
{
return(false);
}
NumericalValue unit = item.FindType <NumericalValue>();
if (unit != null)
{
return(HandleUnits(direction, unit, point.Value.Snapshot));
}
HexColorValue hex = item.FindType <HexColorValue>();
if (hex != null)
{
return(HandleHex(direction, hex, point.Value.Snapshot));
}
return(false);
}
public void AugmentSignatureHelpSession(ISignatureHelpSession session, IList <ISignature> signatures)
{
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
CssEditorDocument document = CssEditorDocument.FromTextBuffer(_buffer);
ParseItem item = document.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null)
{
return;
}
Declaration dec = item.FindType <Declaration>();
if (dec == null || dec.PropertyName == null || dec.Colon == null)
{
return;
}
int length = dec.Length - (dec.Colon.Start - dec.Start);
var span = _buffer.CurrentSnapshot.CreateTrackingSpan(dec.Colon.Start, length, SpanTrackingMode.EdgeNegative);
ValueOrderFactory.AddSignatures method = ValueOrderFactory.GetMethod(dec);
if (method != null)
{
signatures.Clear();
method(session, signatures, dec, span);
Dispatcher.CurrentDispatcher.BeginInvoke(
new Action(() =>
{
if (session == null || session.Properties == null)
{
return;
}
session.Properties.AddProperty("dec", dec);
session.Match();
}),
DispatcherPriority.Normal, null);
}
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (session == null || qiContent == null)
{
return;
}
// Map the trigger point down to our buffer.
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
var tree = CssEditorDocument.FromTextBuffer(_buffer);
ParseItem item = tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null || !item.IsValid)
{
return;
}
Declaration dec = item.FindType <Declaration>();
if (dec == null || !dec.IsValid || !_allowed.Contains(dec.PropertyName.Text.ToUpperInvariant()))
{
return;
}
string fontName = item.Text.Trim('\'', '"');
if (fonts.Families.SingleOrDefault(f => f.Name.Equals(fontName, StringComparison.OrdinalIgnoreCase)) != null)
{
FontFamily font = new FontFamily(fontName);
applicableToSpan = _buffer.CurrentSnapshot.CreateTrackingSpan(item.Start, item.Length, SpanTrackingMode.EdgeNegative);
qiContent.Add(CreateFontPreview(font, 10));
qiContent.Add(CreateFontPreview(font, 11));
qiContent.Add(CreateFontPreview(font, 12));
qiContent.Add(CreateFontPreview(font, 14));
qiContent.Add(CreateFontPreview(font, 25));
qiContent.Add(CreateFontPreview(font, 40));
}
}
private static bool SchemaLookup(ParseItem item, ITextBuffer buffer)
{
if (item is ClassSelector || item is IdSelector || item is ItemName || item.Parent is RuleBlock || item.Parent is StyleSheet)
{
return(false);
}
ICssSchemaInstance schema = CssSchemaManager.SchemaManager.GetSchemaRootForBuffer(buffer);
Declaration dec = item.FindType <Declaration>();
if (dec != null && dec.PropertyName != null)
{
return(OpenReferenceUrl(schema.GetProperty, dec.PropertyName.Text, "http://realworldvalidator.com/css/properties/"));
}
PseudoClassFunctionSelector pseudoClassFunction = item.FindType <PseudoClassFunctionSelector>();
if (pseudoClassFunction != null)
{
return(OpenReferenceUrl(schema.GetPseudo, pseudoClassFunction.Colon.Text + pseudoClassFunction.Function.FunctionName.Text + ")", "http://realworldvalidator.com/css/pseudoclasses/"));
}
PseudoElementFunctionSelector pseudoElementFunction = item.FindType <PseudoElementFunctionSelector>();
if (pseudoElementFunction != null)
{
return(OpenReferenceUrl(schema.GetPseudo, pseudoElementFunction.DoubleColon.Text + pseudoElementFunction.Function.FunctionName.Text + ")", "http://realworldvalidator.com/css/pseudoelements/"));
}
PseudoElementSelector pseudoElement = item.FindType <PseudoElementSelector>();
if (pseudoElement != null && pseudoElement.PseudoElement != null)
{
return(OpenReferenceUrl(schema.GetPseudo, pseudoElement.DoubleColon.Text + pseudoElement.PseudoElement.Text, "http://realworldvalidator.com/css/pseudoelements/"));
}
PseudoClassSelector pseudoClass = item.FindType <PseudoClassSelector>();
if (pseudoClass != null && pseudoClass.PseudoClass != null)
{
return(OpenReferenceUrl(schema.GetPseudo, pseudoClass.Colon.Text + pseudoClass.PseudoClass.Text, "http://realworldvalidator.com/css/pseudoclasses/"));
}
AtDirective directive = item.FindType <AtDirective>();
if (directive != null)
{
return(OpenReferenceUrl(schema.GetAtDirective, directive.At.Text + directive.Keyword.Text, "http://realworldvalidator.com/css/atdirectives/"));
}
return(false);
}
private void UpdateAtCaretPosition(CaretPosition caretPosition)
{
if (!WESettings.GetBoolean(WESettings.Keys.EnableCssSelectorHighligting))
{
return;
}
SnapshotPoint?point = caretPosition.Point.GetPoint(_buffer, caretPosition.Affinity);
if (!point.HasValue || !EnsureInitialized())
{
return;
}
ParseItem item = _tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null)
{
return;
}
ParseItem validItem;
validItem = item.FindType <ItemName>()
?? item.FindType <ClassSelector>()
?? item.FindType <IdSelector>()
?? item.FindType <LessVariableName>()
?? (ParseItem)item.FindType <LessMixinName>();
if (validItem == null)
{ // There is no separate token type for a property name,
// so I need to ensure that we are in the name portion.
var decl = item.FindType <Declaration>();
if (decl != null && item.Parent != decl.PropertyName)
{
validItem = decl.PropertyName;
}
}
// If the new caret position is still within the current word (and on the same snapshot), we don't need to check it
if (_currentWord.HasValue &&
_currentWord.Value.Snapshot == _view.TextSnapshot &&
point.Value >= _currentWord.Value.Start &&
point.Value <= _currentWord.Value.End)
{
return;
}
_requestedPoint = point.Value;
Task.Run(new Action(() => UpdateWordAdornments(validItem)));
//UpdateWordAdornments(validItem);
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (session == null || qiContent == null)
{
return;
}
// Map the trigger point down to our buffer.
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
var tree = CssEditorDocument.FromTextBuffer(_buffer);
ParseItem item = tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null || !item.IsValid)
{
return;
}
Selector sel = item.FindType <Selector>();
if (sel == null)
{
return;
}
// Mixins don't have specificity
if (sel.SimpleSelectors.Count == 1 && sel.SimpleSelectors[0].SubSelectors.Count == 1 && sel.SimpleSelectors[0].SubSelectors[0] is LessMixinDeclaration)
{
return;
}
applicableToSpan = _buffer.CurrentSnapshot.CreateTrackingSpan(item.Start, item.Length, SpanTrackingMode.EdgeNegative);
string content = GenerateContent(sel);
qiContent.Add(content);
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (!EnsureTreeInitialized() || session == null || qiContent == null)
{
return;
}
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
ParseItem item = _tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null || !item.IsValid)
{
return;
}
UrlItem urlItem = item.FindType <UrlItem>();
if (urlItem == null || urlItem.UrlString == null || !urlItem.UrlString.IsValid)
{
return;
}
string url = GetFullUrl(urlItem.UrlString.Text.Trim('\'', '"'), _buffer);
if (string.IsNullOrEmpty(url))
{
return;
}
applicableToSpan = _buffer.CurrentSnapshot.CreateTrackingSpan(point.Value.Position, 1, SpanTrackingMode.EdgeNegative);
AddImageContent(qiContent, url);
}
public IEnumerable <ColorModel> GetColors(ITextView textView, SnapshotSpan contextSpan)
{
if (_directives == null && _hasFile)
{
ParseDocument();
}
if (_directives != null && textView != null)
{
CssEditorDocument document = CssEditorDocument.FromTextBuffer(textView.TextBuffer);
ParseItem item = document.Tree.StyleSheet.ItemAfterPosition(contextSpan.Start);
Declaration dec = item.FindType <Declaration>();
if (dec != null)
{
return(GetApplicableColors(dec.PropertyName.Text));
}
}
return(new List <ColorModel>());
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (!EnsureTreeInitialized() || session == null || qiContent == null)
{
return;
}
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
ParseItem item = _tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null || !item.IsValid)
{
return;
}
UrlItem urlItem = item.FindType <UrlItem>();
if (urlItem != null && urlItem.UrlString != null && urlItem.UrlString.IsValid)
{
string url = GetFileName(urlItem.UrlString.Text.Trim('\'', '"'));
if (!string.IsNullOrEmpty(url))
{
applicableToSpan = _buffer.CurrentSnapshot.CreateTrackingSpan(point.Value.Position, 1, SpanTrackingMode.EdgeNegative);
var image = CreateImage(url);
if (image != null && image.Source != null)
{
qiContent.Add(image);
qiContent.Add(Math.Round(image.Source.Width) + "x" + Math.Round(image.Source.Height));
}
}
}
}
/// <summary>
/// This code was copied from CompletionEngine.cs in the CSS code. If this class gets
/// copied into the CSS code, reuse that other function (CompletionEngine.GetCompletionContextLeafItem)
/// </summary>
private static ParseItem GetContextItem(StyleSheet styleSheet, int position)
{
// Look on both sides of the cursor for a context item.
ParseItem prevItem = styleSheet.ItemBeforePosition(position) ?? styleSheet;
ParseItem nextItem = styleSheet.ItemAfterPosition(position);
if (position > prevItem.AfterEnd)
{
// Not touching the previous item, check its parents
for (; prevItem != null; prevItem = prevItem.Parent)
{
if (prevItem.IsUnclosed || prevItem.AfterEnd >= position)
{
break;
}
}
}
// Only use the next item if the cursor is touching it, and it's not a comment
if (nextItem != null && (position < nextItem.Start || nextItem.FindType <Comment>() != null))
{
nextItem = null;
}
// When two things touch the cursor inside of a selector, always prefer the previous item.
// If this logic gets larger, consider a better design to choose between two items.
if (nextItem != null &&
prevItem != null &&
prevItem.AfterEnd == position &&
prevItem.FindType <SimpleSelector>() != null)
{
nextItem = null;
}
return(nextItem ?? prevItem);
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (session == null || qiContent == null || qiContent.Count > 0 || !WESettings.Instance.Css.ShowBrowserTooltip)
{
return;
}
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
var tree = CssEditorDocument.FromTextBuffer(_buffer);
ParseItem item = tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null || !item.IsValid)
{
return;
}
ICssSchemaInstance schema = CssSchemaManager.SchemaManager.GetSchemaForItem(_rootSchema, item);
Tuple <ParseItem, ICssCompletionListEntry> tuple = GetEntriesAndPoint(item, point.Value, schema);
if (tuple == null)
{
return;
}
ParseItem tipItem = tuple.Item1;
ICssCompletionListEntry entry = tuple.Item2;
if (tipItem == null || entry == null)
{
return;
}
var ruleSet = item.FindType <RuleSet>();
//If the selector's full name would require computation (it's nested), compute it and add it to the output
if (ruleSet != null && ruleSet.Parent.FindType <RuleSet>() != null)
{
qiContent.Add(LessDocument.GetLessSelectorName(ruleSet));
}
applicableToSpan = _buffer.CurrentSnapshot.CreateTrackingSpan(tipItem.Start, tipItem.Length, SpanTrackingMode.EdgeNegative);
string syntax = entry.GetSyntax(schema.Version);
string b = entry.GetAttribute("browsers");
if (string.IsNullOrEmpty(b) && tipItem.Parent != null && tipItem.Parent is Declaration)
{
b = schema.GetProperty(((Declaration)tipItem.Parent).PropertyName.Text).GetAttribute("browsers");
if (string.IsNullOrEmpty(syntax))
{
syntax = tipItem.Text;
}
}
if (!string.IsNullOrEmpty(syntax))
{
//var example = CreateExample(syntax);
qiContent.Add("Example: " + syntax);
}
Dictionary <string, string> browsers = GetBrowsers(b);
qiContent.Add(CreateBrowserList(browsers));
}
private void UpdateEmbeddedImageValues(ParseItem item)
{
if (!WESettings.Instance.Css.SyncBase64ImageValues)
return;
Declaration dec = item.FindType<Declaration>();
if (dec != null && Cache.Contains(dec))
{
var url = (UrlItem)dec.Values.First();
if (!url.IsValid || url.UrlString == null || url.UrlString.Text.Contains(";base64,"))
return;
var matches = Cache.Where(d => d.IsValid && d != dec && d.Parent == dec.Parent &&
(d.Values[0].NextSibling as CComment) != null);
// Undo sometimes messes with the positions, so we have to make this check before proceeding.
if (!matches.Any() || dec.Text.Length < dec.Colon.AfterEnd - dec.Start || dec.Colon.AfterEnd < dec.Start)
return;
string urlText = url.UrlString.Text.Trim('\'', '"');
string filePath = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(_buffer.GetFileName()), urlText));
string b64UrlText = FileHelpers.ConvertToBase64(filePath);
string b64Url = url.Text.Replace(urlText, b64UrlText);
IEnumerable<Tuple<SnapshotSpan, string>> changes = matches.Reverse().SelectMany(match =>
{
ParseItem value = match.Values[0];
CComment comment = value.NextSibling as CComment;
SnapshotSpan span = new SnapshotSpan(_buffer.CurrentSnapshot, comment.CommentText.Start, comment.CommentText.Length);
url = (UrlItem)value;
SnapshotSpan b64Span = new SnapshotSpan(_buffer.CurrentSnapshot, url.Start, url.Length);
return new[] { new Tuple<SnapshotSpan, string>(span, urlText), new Tuple<SnapshotSpan, string>(b64Span, b64Url) };
});
Dispatcher.CurrentDispatcher.InvokeAsync(() =>
{
using (ITextEdit edit = _buffer.CreateEdit())
{
foreach (Tuple<SnapshotSpan, string> change in changes)
{
SnapshotSpan currentSpan = change.Item1.TranslateTo(_buffer.CurrentSnapshot, SpanTrackingMode.EdgeExclusive);
edit.Replace(currentSpan, change.Item2);
}
edit.Apply();
}
});
}
}
private static Tuple<ParseItem, ICssCompletionListEntry> GetEntriesAndPoint(ParseItem item, SnapshotPoint point, ICssSchemaInstance schema)
{
// Declaration
Declaration dec = item.FindType<Declaration>();
if (dec != null && dec.PropertyName != null && dec.PropertyName.ContainsRange(point.Position, 1))
{
return Tuple.Create<ParseItem, ICssCompletionListEntry>(dec.PropertyName, schema.GetProperty(dec.PropertyName.Text));
}
if (dec != null && dec.IsValid && dec.Values.TextStart <= point.Position && dec.Values.TextAfterEnd >= point.Position)
{
var entry = schema.GetProperty(dec.PropertyName.Text);
if (entry != null)
{
var list = schema.GetPropertyValues(entry.DisplayText);
var theOne = dec.StyleSheet.ItemFromRange(point.Position, 0);
return Tuple.Create<ParseItem, ICssCompletionListEntry>(theOne,
list.SingleOrDefault(r => r.DisplayText.Equals(theOne.Text, StringComparison.OrdinalIgnoreCase)));
}
}
// Pseudo class
PseudoClassSelector pseudoClass = item.FindType<PseudoClassSelector>();
if (pseudoClass != null)
{
return Tuple.Create<ParseItem, ICssCompletionListEntry>(pseudoClass, schema.GetPseudo(pseudoClass.Text));
}
// Pseudo class function
PseudoClassFunctionSelector pseudoClassFunction = item.FindType<PseudoClassFunctionSelector>();
if (pseudoClassFunction != null)
{
return Tuple.Create<ParseItem, ICssCompletionListEntry>(pseudoClassFunction, schema.GetPseudo(pseudoClassFunction.Text));
}
// Pseudo element
PseudoElementSelector pseudoElement = item.FindType<PseudoElementSelector>();
if (pseudoElement != null)
{
return Tuple.Create<ParseItem, ICssCompletionListEntry>(pseudoElement, schema.GetPseudo(pseudoElement.Text));
}
// Pseudo element function
PseudoElementFunctionSelector pseudoElementFunction = item.FindType<PseudoElementFunctionSelector>();
if (pseudoElementFunction != null)
{
return Tuple.Create<ParseItem, ICssCompletionListEntry>(pseudoElementFunction, schema.GetPseudo(pseudoElementFunction.Text));
}
// @-directive
AtDirective atDirective = item.Parent as AtDirective;
if (atDirective != null && atDirective.Keyword != null)
{
return Tuple.Create<ParseItem, ICssCompletionListEntry>(atDirective.Keyword, schema.GetAtDirective("@" + atDirective.Keyword.Text));
}
return null;
}
private void UpdateVendorValues(ParseItem item)
{
if (!WESettings.GetBoolean(WESettings.Keys.SyncVendorValues))
return;
Declaration dec = item.FindType<Declaration>();
if (dec != null && Cache.Contains(dec) && !dec.IsVendorSpecific())
{
// Find all vendor specifics that isn't the standard property.
var matches = Cache.Where(d => d.IsValid && d != dec && d.Parent == dec.Parent && GetStandardName(d) == dec.PropertyName.Text && d.PropertyName.Text != dec.PropertyName.Text);
// Undo sometimes messes with the positions, so we have to make this check before proceeding.
if (!matches.Any() || dec.Text.Length < dec.Colon.AfterEnd - dec.Start || dec.Colon.AfterEnd < dec.Start)
return;
string text = dec.Text.Substring(dec.Colon.AfterEnd - dec.Start, dec.AfterEnd - dec.Colon.AfterEnd);
using (ITextEdit edit = _buffer.CreateEdit())
{
foreach (Declaration match in matches.Reverse())
{
SnapshotSpan span = new SnapshotSpan(_buffer.CurrentSnapshot, match.Colon.AfterEnd, match.AfterEnd - match.Colon.AfterEnd);
if (span.GetText() != text)
edit.Replace(span, text);
}
edit.Apply();
}
}
}
private IEnumerable <CssSourceMapNode> ProcessGeneratedMaps(string cssfileContents)
{
ParseItem item = null;
Selector selector = null;
StyleSheet styleSheet = null;
SimpleSelector simple = null;
int start;
var parser = new CssParser();
var result = new List <CssSourceMapNode>();
styleSheet = parser.Parse(cssfileContents, false);
foreach (var node in MapNodes)
{
start = cssfileContents.NthIndexOfCharInString('\n', node.GeneratedLine);
start += node.GeneratedColumn;
item = styleSheet.ItemAfterPosition(start);
if (item == null)
{
continue;
}
selector = item.FindType <Selector>();
if (selector == null)
{
continue;
}
var depth = node.OriginalSelector.TreeDepth / 2;
if (depth < selector.SimpleSelectors.Count)
{
simple = selector.SimpleSelectors.First();
if (simple == null)
{
simple = item.Parent != null?item.Parent.FindType <SimpleSelector>() : null;
}
if (simple == null)
{
continue;
}
var selectorText = new StringBuilder();
for (int i = 0; i < node.OriginalSelector.SimpleSelectors.Count; i++)
{
if (simple == null)
{
break;
}
selectorText.Append(simple.Text).Append(" ");
simple = simple.NextSibling as SimpleSelector;
}
StyleSheet sheet = parser.Parse(selectorText.ToString(), false);
if (sheet == null || !sheet.RuleSets.Any() || !sheet.RuleSets.First().Selectors.Any())
{
continue;
}
selector = sheet.RuleSets.First().Selectors.First() as Selector;
if (selector == null)
{
continue;
}
}
node.GeneratedSelector = selector;
result.Add(node);
}
return(result);
}
