private void UpdateDeclarationCache(ParseItem item)
{
var visitor = new CssItemCollector <Declaration>(true);
item.Accept(visitor);
HashSet <RuleBlock> rules = new HashSet <RuleBlock>();
foreach (Declaration dec in visitor.Items)
{
RuleBlock rule = dec.Parent as RuleBlock;
if (rule == null || rules.Contains(rule))
{
continue;
}
var images = rule.Declarations.Where(d => d.PropertyName != null && d.PropertyName.Text.Contains("background"));
foreach (Declaration image in images)
{
if (!Cache.Contains(image))
{
Cache.Add(image);
}
}
rules.Add(rule);
}
}
private void UpdateCache(ParseItem item)
{
var visitor = new CssItemCollector<Declaration>(true);
item.Accept(visitor);
foreach (TokenItem token in visitor.Items.Where(d => d.Important != null).Select(d => d.Important))
{
if (!_cache.Contains(token))
_cache.Add(token);
}
}
private void UpdateCache(ParseItem item)
{
var visitor = new CssItemCollector <Declaration>(true);
item.Accept(visitor);
foreach (TokenItem token in visitor.Items.Where(d => d.Important != null).Select(d => d.Important))
{
if (!_cache.Contains(token))
{
_cache.Add(token);
}
}
}
private IEnumerable <ParseItem> GetColors(SnapshotSpan span)
{
List <ParseItem> items = new List <ParseItem>();
// TODO: Refine this so it goes directly to the individual HexColorValue, FunctionColor and TokenItem
ParseItem complexItem = _tree.StyleSheet.ItemFromRange(span.Start, span.Length);
if (complexItem == null || (!(complexItem is AtDirective) && !(complexItem is RuleBlock) && !(complexItem is LessVariableDeclaration)))
{
return(items);
}
IEnumerable <ParseItem> declarations = new ParseItem[0];
var lessVar = complexItem as LessVariableDeclaration;
if (lessVar != null)
{
declarations = new List <ParseItem>()
{
lessVar.Value
};
}
else
{
var visitorRules = new CssItemCollector <Declaration>();
complexItem.Accept(visitorRules);
declarations = from d in visitorRules.Items
where d.Values.TextAfterEnd > span.Start && d.Values.TextStart < span.End && d.Length > 2
select d;
}
foreach (var declaration in declarations.Where(d => d != null))
{
var visitorHex = new CssItemCollector <HexColorValue>();
declaration.Accept(visitorHex);
items.AddRange(visitorHex.Items);
var visitorFunc = new CssItemCollector <FunctionColor>();
declaration.Accept(visitorFunc);
items.AddRange(visitorFunc.Items);
var visitorName = new CssItemCollector <TokenItem>();
declaration.Accept(visitorName);
items.AddRange(visitorName.Items.Where(i => (i.PreviousSibling == null || (i.PreviousSibling.Text != "@" && i.PreviousSibling.Text != "$")) && i.TokenType == CssTokenType.Identifier && Color.FromName(i.Text).IsNamedColor));
}
return(items);
}
private void UpdateCache(ParseItem item)
{
var visitor = new CssItemCollector<Declaration>(true);
item.Accept(visitor);
foreach (Declaration dec in visitor.Items)
{
string text = dec.Text;
if (text.StartsWith("var-", StringComparison.Ordinal))
{
if (!_cache.Contains(dec))
_cache.Add(dec);
}
}
}
private void UpdateCache(ParseItem item)
{
var visitor = new CssItemCollector<SimpleSelector>(true);
item.Accept(visitor);
foreach (SimpleSelector ss in visitor.Items)
{
string text = ss.Text;
if (ModernizrProvider.IsModernizr(text))
{
if (!_cache.Contains(ss))
_cache.Add(ss);
}
}
}
private void UpdateCache(ParseItem item)
{
var visitor = new CssItemCollector <Declaration>(true);
item.Accept(visitor);
foreach (Declaration dec in visitor.Items)
{
string text = dec.Text;
if (text.StartsWith("var-", StringComparison.Ordinal))
{
if (!_cache.Contains(dec))
{
_cache.Add(dec);
}
}
}
}
private void UpdateCache(ParseItem item)
{
var visitor = new CssItemCollector <SimpleSelector>(true);
item.Accept(visitor);
foreach (SimpleSelector ss in visitor.Items)
{
string text = ss.Text;
if (ModernizrProvider.IsModernizr(text))
{
if (!_cache.Contains(ss))
{
_cache.Add(ss);
}
}
}
}
private void UpdateDeclarationCache(ParseItem item)
{
var visitor = new CssItemCollector <Declaration>(true);
item.Accept(visitor);
HashSet <RuleBlock> rules = new HashSet <RuleBlock>();
foreach (Declaration dec in visitor.Items)
{
RuleBlock rule = dec.Parent as RuleBlock;
if (rule == null || rules.Contains(rule))
{
continue;
}
var vendors = rule.GetDeclarations().Where(d => d.IsValid && d.IsVendorSpecific());
foreach (Declaration vendor in vendors)
{
string name = GetStandardName(vendor);
Declaration standard = rule.GetDeclarations().FirstOrDefault(d => d.IsValid && d.PropertyName.Text == name);
if (standard != null)
{
if (!Cache.Contains(standard))
{
Cache.Add(standard);
}
if (GetValueText(standard) == GetValueText(vendor) && !Cache.Contains(vendor))
{
Cache.Add(vendor);
}
}
}
rules.Add(rule);
}
}
private void UpdateDeclarationCache(ParseItem item)
{
var visitor = new CssItemCollector<Declaration>(true);
item.Accept(visitor);
HashSet<RuleBlock> rules = new HashSet<RuleBlock>();
foreach (Declaration dec in visitor.Items)
{
RuleBlock rule = dec.Parent as RuleBlock;
if (rule == null || rules.Contains(rule))
continue;
var vendors = rule.Declarations.Where(d => d.IsValid && d.IsVendorSpecific());
foreach (Declaration vendor in vendors)
{
string name = GetStandardName(vendor);
Declaration standard = rule.Declarations.FirstOrDefault(d => d.IsValid && d.PropertyName.Text == name);
if (standard != null)
{
if (!Cache.Contains(standard))
Cache.Add(standard);
if (GetValueText(standard) == GetValueText(vendor) && !Cache.Contains(vendor))
Cache.Add(vendor);
}
}
rules.Add(rule);
}
}
private void UpdateDeclarationCache(ParseItem item)
{
var visitor = new CssItemCollector<Declaration>(true);
item.Accept(visitor);
HashSet<RuleBlock> rules = new HashSet<RuleBlock>();
foreach (Declaration dec in visitor.Items)
{
RuleBlock rule = dec.Parent as RuleBlock;
if (rule == null || rules.Contains(rule))
continue;
var images = rule.Declarations.Where(d => d.PropertyName.Text.Contains("background"));
foreach (Declaration image in images)
{
if (!Cache.Contains(image))
Cache.Add(image);
}
rules.Add(rule);
}
}
public ReadOnlyCollection <TResult> Crawl(ParseItem root)
{
root.Accept(this);
return(Items);
}
