public string SortStyleSheet(string css)
{
ICssParser parser = new CssParser();
StyleSheet stylesheet = parser.Parse(css.Trim(), true);
CssFormatter formatter = new CssFormatter();
formatter.Options.RemoveLastSemicolon = false;
StringBuilder sb = new StringBuilder(stylesheet.Text);
var visitor = new CssItemCollector<RuleBlock>(true);
stylesheet.Accept(visitor);
foreach (RuleBlock rule in visitor.Items.Where(r => r.IsValid).Reverse())
{
if (rule.Declarations.Count <= 1)
continue;
int start = rule.OpenCurlyBrace.AfterEnd;
int length = rule.Length - 2;
string text = formatter.Format(rule.Text).Trim().Trim('}', '{');
string[] declarations = text.Split(Environment.NewLine.ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
var sorted = SortDeclarations(declarations);
sb.Remove(start, length);
sb.Insert(start, string.Join("", sorted));
}
return sb.ToString();
}
private async static Task ParseDocument()
{
string fileName = GetSolutionFilePath();
if (!string.IsNullOrEmpty(fileName) && File.Exists(fileName))
{
CssParser parser = new CssParser();
StyleSheet stylesheet = parser.Parse(await FileHelpers.ReadAllTextRetry(fileName), false);
if (stylesheet.IsValid)
{
var visitor = new CssItemCollector<AtDirective>();
stylesheet.Accept(visitor);
AtDirective at = visitor.Items.SingleOrDefault(a => a.Keyword.Text == _rootDirective);
if (at != null)
{
var visitorPalette = new CssItemCollector<AtDirective>(true);
at.Accept(visitorPalette);
_directives = visitorPalette.Items.Where(a => a.Keyword.Text != at.Keyword.Text).ToList();
}
}
InitializeWatcher(fileName);
}
else
{
_hasFile = false;
}
}
private static IEnumerable<ParseItem> GetItems(string filePath, string searchValue)
{
var cssParser = new CssParser();
StyleSheet ss = cssParser.Parse(File.ReadAllText(filePath), true);
return new CssItemAggregator<ParseItem>
{
(ClassSelector c) => c.Text.Contains(searchValue) ? c : null,
(IdSelector c) => c.Text.Contains(searchValue) ? c : null
}.Crawl(ss).Where(s => s != null);
}
public string Parse(string zenSyntax, ZenType type)
{
switch (type)
{
case ZenType.CSS:
CssParser cssParser = new CssParser();
return cssParser.Parse(zenSyntax.Trim());
case ZenType.HTML:
HtmlParser htmlParser = new HtmlParser();
return htmlParser.Parse(zenSyntax.Trim());
}
return null;
}
private void ProcessStylesheet(IList <InputGroup> inputGroups, SwitchParser switchParser, string outputPath, Encoding encoding)
{
var outputBuilder = new StringBuilder(8192);
foreach (var inputGroup in inputGroups)
{
// create and setup parser
var parser = new CssParser();
parser.Settings = switchParser.CssSettings;
parser.JSSettings = switchParser.JSSettings;
parser.CssError += (sender, ea) =>
{
// if the input group is not project, then only report sev-0 errors
// regardless, don't show any errors that have a severity lower (greater numeric value)
// than the warning level specified.
if ((inputGroup.Origin == SourceOrigin.Project || ea.Error.Severity == 0) &&
ea.Error.Severity <= switchParser.WarningLevel)
{
LogContextError(ea.Error);
}
};
// minify input
outputBuilder.Append(parser.Parse(inputGroup.Source));
}
// write output
if (!Log.HasLoggedErrors)
{
if (!FileWriteOperation(outputPath, switchParser.Clobber, () =>
{
using (var writer = new StreamWriter(outputPath, false, encoding))
{
writer.Write(outputBuilder.ToString());
}
return(true);
}))
{
// could not write file
Log.LogError(Strings.CouldNotWriteOutputFile, outputPath);
}
}
else
{
Log.LogWarning(Strings.DidNotMinify, outputPath, Strings.ThereWereErrors);
}
}
public void SupportsShadowVendorPrefixesRule()
{
var source = @"@supports ( box-shadow: 0 0 2px black ) or
( -moz-box-shadow: 0 0 2px black ) or
( -webkit-box-shadow: 0 0 2px black ) or
( -o-box-shadow: 0 0 2px black ) { }";
var parser = new CssParser(source);
parser.Parse();
Assert.AreEqual(1, parser.Result.Rules.Length);
Assert.IsInstanceOf <CssSupportsRule>(parser.Result.Rules[0]);
var supports = parser.Result.Rules[0] as CssSupportsRule;
Assert.AreEqual("(box-shadow: 0 0 2px black) or (-moz-box-shadow: 0 0 2px black) or (-webkit-box-shadow: 0 0 2px black) or (-o-box-shadow: 0 0 2px black)", supports.ConditionText);
Assert.IsTrue(supports.IsSupported);
}
public void ParseNull()
{
var errors = new List <ContextError>();
var cssParser = new CssParser();
cssParser.CssError += (sender, ea) =>
{
errors.Add(ea.Error);
};
// parse it
var results = cssParser.Parse(null);
Assert.AreEqual(string.Empty, results);
Assert.AreEqual(0, errors.Count);
}
public void Can_parse_singlequoted_text_in_attributes()
{
StyleSheet styleSheet = null;
Action action = () => styleSheet = CssParser.Parse(@"
Button[Content='Some Content'] {
FontWeight: Bold;
}");
action.ShouldNotThrow();
styleSheet.Errors.Count.Should().Be(0);
styleSheet.Rules.Count.Should().Be(1);
styleSheet.Rules[0].SelectorString.Should().Be(@"Button[Content='Some Content']");
styleSheet.Rules[0].DeclarationBlock[0].Property.Should().Be(@"FontWeight");
styleSheet.Rules[0].DeclarationBlock[0].Value.Should().Be(@"Bold");
}
public Element(string tagName, Dictionary <string, string> attributes, IEnumerable <Node> children)
{
TagName = tagName;
Attributes = attributes;
foreach (var child in children)
{
Children.Add(child);
}
// Parse style attributes as CSS
if (Attributes.ContainsKey("style"))
{
var style = Attributes["style"];
Style = CssParser.Parse(style);
}
}
public void Can_parse_square_brackets_in_selector()
{
var styleSheet = CssParser.Parse(@"
.test[Text=""hallo""],
.test[Text='hallo'],
.test[Text=hallo]
{
Color: #ff00ff;
}");
Assert.AreEqual(1, styleSheet.Rules[0].DeclarationBlock.Count);
styleSheet.Rules[0].Selectors[0].Value.Should().Be(@".test[Text=""hallo""]");
styleSheet.Rules[1].Selectors[0].Value.Should().Be(@".test[Text='hallo']");
styleSheet.Rules[2].Selectors[0].Value.Should().Be(@".test[Text=hallo]");
Assert.AreEqual(@"#ff00ff", styleSheet.Rules[0].DeclarationBlock[0].Value);
}
public void Can_parse_nested_combinator()
{
var styleSheet = CssParser.Parse(@"
.test
{
> div {
Opacity: 0.5;
Width: 0;
}
}");
styleSheet.Rules.Count.Should().Be(2);
styleSheet.Rules[1].SelectorString.Should().Be(@".test>div");
styleSheet.Rules[1].DeclarationBlock[0].Value.Should().Be(@"0.5");
styleSheet.Rules[1].DeclarationBlock[1].Value.Should().Be("0");
}
public void TokenImageUrlTest()
{
const string FileName = @"tokenimageurl.css";
var fileInfo = new FileInfo(Path.Combine(ActualDirectory, FileName));
var styleSheetNode = CssParser.Parse(fileInfo);
Assert.IsNotNull(styleSheetNode);
var visitor = new ImageAssemblyScanVisitor(fileInfo.FullName, null);
styleSheetNode.Accept(visitor);
var imageReferencesToAssemble = visitor.DefaultImageAssemblyScanOutput.ImageReferencesToAssemble;
Assert.IsNotNull(imageReferencesToAssemble);
Assert.AreEqual(0, imageReferencesToAssemble.Count);
}
public void Rules_ordered_by_specificity()
{
var styleSheet = CssParser.Parse(@"
.warning#some-element,
#an-element,
.warning
{
}
.important
{
}
Button
{
}
* {
}
");
Assert.AreEqual(6, styleSheet.Rules.Count);
Assert.AreEqual("*", styleSheet.Rules[0].Selectors[0].Value);
Assert.AreEqual("0", styleSheet.Rules[0].Selectors[0].Specificity);
Assert.AreEqual("Button", styleSheet.Rules[1].Selectors[0].Value);
Assert.AreEqual("1", styleSheet.Rules[1].Selectors[0].Specificity);
Assert.AreEqual(".warning", styleSheet.Rules[2].Selectors[0].Value);
Assert.AreEqual("1,0", styleSheet.Rules[2].Selectors[0].Specificity);
Assert.AreEqual(".important", styleSheet.Rules[3].Selectors[0].Value);
Assert.AreEqual("1,0", styleSheet.Rules[3].Selectors[0].Specificity);
Assert.AreEqual("#an-element", styleSheet.Rules[4].Selectors[0].Value);
Assert.AreEqual("1,0,0", styleSheet.Rules[4].Selectors[0].Specificity);
Assert.AreEqual(".warning#some-element", styleSheet.Rules[5].Selectors[0].Value);
Assert.AreEqual("1,1,0", styleSheet.Rules[5].Selectors[0].Specificity);
var s = new Selector {
Value = ".important-button-container>Button"
};
Assert.AreEqual("1,1", s.Specificity);
}
public void ShouldNotOptimizeFontface()
{
const string FileName = @"fontface.css";
var styleSheetNode = CssParser.Parse(new FileInfo(Path.Combine(ActualDirectory, FileName)));
Assert.IsNotNull(styleSheetNode);
MinificationVerifier.VerifyMinification(BaseDirectory, FileName, new List <NodeVisitor> {
new OptimizationVisitor {
NonMergeRuleSetSelectors = new[] { "@font-face" }
}
});
PrettyPrintVerifier.VerifyPrettyPrint(BaseDirectory, FileName, new List <NodeVisitor> {
new OptimizationVisitor {
NonMergeRuleSetSelectors = new[] { "@font-face" }
}
});
}
private static void Warmup(MarkupExtensionParser markupExtensionParser, string defaultCssNamespace)
{
// warmup parser
markupExtensionParser.Parse("true", Application.Current?.MainWindow ?? new FrameworkElement(), new[] { new CssNamespace("", defaultCssNamespace) });
TypeHelpers.GetPropertyAccessor(typeof(FrameworkElement), "IsLoaded");
var styleSheet = CssParser.Parse("*{Background: #DynamicResource no;}");
var f = new Button();
f.SetValue(Css.StyleSheetProperty, styleSheet);
f.Content = new TextBlock();
instance.EnqueueNewElement(f, styleSheet, f);
instance.ExecuteApplyStyles();
}
public void RgbCollapse()
{
const string FileName = @"RgbCollapse.css";
AstNode styleSheetNode = CssParser.Parse(new FileInfo(Path.Combine(ActualDirectory, FileName)));
Assert.IsNotNull(styleSheetNode);
styleSheetNode = styleSheetNode.Accept(new ColorOptimizationVisitor());
Assert.IsNotNull(styleSheetNode);
MinificationVerifier.VerifyMinification(BaseDirectory, FileName, new List <NodeVisitor> {
new ColorOptimizationVisitor()
});
PrettyPrintVerifier.VerifyPrettyPrint(BaseDirectory, FileName, new List <NodeVisitor> {
new ColorOptimizationVisitor()
});
}
/// <summary>The try parse css files.</summary>
/// <param name="directoryInfo">The directory info.</param>
private static void TryParseCssFiles(DirectoryInfo directoryInfo)
{
foreach (var cssFile in directoryInfo.EnumerateFiles("*.css", SearchOption.AllDirectories))
{
try
{
var styleSheetNode = CssParser.Parse(cssFile, false);
Assert.IsNotNull(styleSheetNode);
}
catch (Exception)
{
// Parse again with Trace ON
CssParser.Parse(cssFile);
throw;
}
}
}
public void DataTriggerValue_should_support_variables()
{
var content = @"
$variable-value: true;
.field {
@Data ""{ Binding RelativeSource={RelativeSource Self}, Path=IsFocused}"" $variable-value{
Background: Green;
Foreground: White;
}
}
";
var styleSheet = CssParser.Parse(content);
var first = styleSheet.Rules[0].DeclarationBlock.Triggers[0] as DataTrigger;
first.Binding.Should().Be(@"{ Binding RelativeSource={RelativeSource Self}, Path=IsFocused}");
first.Value.Should().Be("true");
}
public void Test_can_parse_namespace4()
{
var styleSheet = CssParser.Parse(@"
@namespace ""System.Windows.Controls, PresentationFramework, Version = 4.0.0.0, Culture = neutral, PublicKeyToken = 31bf3856ad364e35"";
|Grid
{
|Grid.Row: 0;
|Grid.Column: 1;
}");
Assert.AreEqual(1, styleSheet.Namespaces.Count());
Assert.AreEqual("", styleSheet.Namespaces[0].Alias);
Assert.AreEqual("System.Windows.Controls, PresentationFramework, Version = 4.0.0.0, Culture = neutral, PublicKeyToken = 31bf3856ad364e35", styleSheet.Namespaces[0].Namespace);
Assert.AreEqual("|Grid", styleSheet.Rules[0].SelectorString);
Assert.AreEqual("|Grid.Row", styleSheet.Rules[0].DeclarationBlock[0].Property);
Assert.AreEqual("|Grid.Column", styleSheet.Rules[0].DeclarationBlock[1].Property);
}
public void Can_handle_space_before_comma_in_selector()
{
var styleSheet = CssParser.Parse(@"
.test , .test2
{
Opacity: 0.5;
Width: 0;
}");
Assert.AreEqual(2, styleSheet.Rules[0].DeclarationBlock.Count);
Assert.AreEqual(@"0.5", styleSheet.Rules[0].DeclarationBlock[0].Value);
Assert.AreEqual("0", styleSheet.Rules[0].DeclarationBlock[1].Value);
Assert.AreEqual(2, styleSheet.Rules[1].DeclarationBlock.Count);
Assert.AreEqual(@"0.5", styleSheet.Rules[1].DeclarationBlock[0].Value);
Assert.AreEqual("0", styleSheet.Rules[1].DeclarationBlock[1].Value);
}
public void EnterActions_and_ExitActions_should_be_added_to_DataTriggers()
{
var content = @"
Button
{
@Data Text.Length 10
{
@Enter:
{
BeginStoryboard:
{
Storyboard: #StaticResource fadeOutAndInStoryboard;
}
BeginStoryboard:
{
Storyboard: ""#StaticResource fadeOutAndInStoryboard2"";
}
}
BackgroundColor: Red;
ForegroundColor: Green;
@Exit:
{
BeginStoryboard: { Storyboard: #StaticResource fadeOutAndInStoryboard; }
BeginStoryboard: { Storyboard: #StaticResource fadeOutAndInStoryboard2; }
BeginStoryboard: { Storyboard: #StaticResource fadeOutAndInStoryboard3; }
}
}
}
";
var styleSheet = CssParser.Parse(content);
var first = styleSheet.Rules[0].DeclarationBlock.Triggers[0] as DataTrigger;
first.Binding.Should().Be("Text.Length");
first.Value.Should().Be("10");
first.StyleDeclarationBlock[0].Property.Should().Be("BackgroundColor");
first.StyleDeclarationBlock[0].Value.Should().Be("Red");
first.StyleDeclarationBlock[1].Property.Should().Be("ForegroundColor");
first.StyleDeclarationBlock[1].Value.Should().Be("Green");
first.EnterActions.Count.Should().Be(2);
first.ExitActions.Count.Should().Be(3);
}
public void Can_parse_doublequoted_text_in_attributes_with_ampersand()
{
StyleSheet styleSheet = null;
Action action = () => styleSheet = CssParser.Parse(@"
Button { &[Content=""Some Content""] {
FontWeight: Bold;
}
}");
action.Should().NotThrow();
styleSheet.Errors.Count.Should().Be(0);
styleSheet.Rules.Count.Should().Be(2);
styleSheet.Rules[1].SelectorString.Should().Be(@"Button[Content=""Some Content""]");
styleSheet.Rules[1].DeclarationBlock[0].Property.Should().Be(@"FontWeight");
styleSheet.Rules[1].DeclarationBlock[0].Value.Should().Be(@"Bold");
}
public void DuplicateImageReferenceWithDifferentRulesExceptionTest()
{
const string FileName = @"duplicateimagereferencewithdifferentrulesexception.css";
var fileInfo = new FileInfo(Path.Combine(ActualDirectory, FileName));
var styleSheetNode = CssParser.Parse(fileInfo);
Assert.IsNotNull(styleSheetNode);
try
{
styleSheetNode.Accept(new ImageAssemblyScanVisitor(fileInfo.FullName, null));
}
catch (ImageAssembleException imageAssembleException)
{
Assert.IsTrue(imageAssembleException.ToString().Contains(string.Format(CultureInfo.InvariantCulture, CssStrings.DuplicateImageReferenceWithDifferentRulesError, Path.Combine(ActualDirectory, "foo.gif").ToLowerInvariant())));
}
}
public void Parser_loads_namespaces()
{
var styleSheet = CssParser.Parse(test1);
Assert.AreEqual(4, styleSheet.Namespaces.Count());
Assert.AreEqual("", styleSheet.Namespaces[0].Alias);
Assert.AreEqual(TestNode.GetAssemblyQualifiedNamespaceName(typeof(TestNode)), styleSheet.Namespaces[0].Namespace);
Assert.AreEqual("xamlcss", styleSheet.Namespaces[1].Alias);
Assert.AreEqual(TestNode.GetAssemblyQualifiedNamespaceName(typeof(CssNamespace)), styleSheet.Namespaces[1].Namespace);
Assert.AreEqual("ui", styleSheet.Namespaces[2].Alias);
Assert.AreEqual(TestNode.GetAssemblyQualifiedNamespaceName(typeof(TestNode)), styleSheet.Namespaces[2].Namespace);
Assert.AreEqual("special", styleSheet.Namespaces[3].Alias);
Assert.AreEqual(TestNode.GetAssemblyQualifiedNamespaceName(typeof(TestNode)), styleSheet.Namespaces[3].Namespace);
}
public void RepeatedPropertyNameExceptionTest()
{
const string FileName = @"repeatedpropertynameexception.css";
var fileInfo = new FileInfo(Path.Combine(ActualDirectory, FileName));
var styleSheetNode = CssParser.Parse(fileInfo);
Assert.IsNotNull(styleSheetNode);
try
{
styleSheetNode.Accept(new ImageAssemblyScanVisitor(fileInfo.FullName, null));
}
catch (ImageAssembleException imageAssembleException)
{
Assert.IsTrue(imageAssembleException.ToString().Contains(string.Format(CultureInfo.InvariantCulture, CssStrings.RepeatedPropertyNameError, "background-image")));
}
}
public void DuplicateBackgroundFormatExceptionTest()
{
const string FileName = @"duplicatebackgroundformatexception.css";
var fileInfo = new FileInfo(Path.Combine(ActualDirectory, FileName));
var styleSheetNode = CssParser.Parse(fileInfo);
Assert.IsNotNull(styleSheetNode);
try
{
styleSheetNode.Accept(new ImageAssemblyScanVisitor(fileInfo.FullName, null));
}
catch (ImageAssembleException imageAssembleException)
{
Assert.IsTrue(imageAssembleException.ToString().Contains(CssStrings.DuplicateBackgroundFormatError));
}
}
public void Can_parse_mixin_with_missing_parameter_without_default_value_should_throw_exception()
{
var css = @"
@mixin Colored($textColor, $backgroundColor:""Yellow"")
{
TextColor: $textColor;
BackgroundColor: $backgroundColor;
}
.header {
@include Colored();
HeightRequest: 200;
}
";
Assert.That(() => CssParser.Parse(css), Throws.InvalidOperationException.With.Message.Contains("$textColor"));
}
public void TooManyLengthsExceptionTest()
{
const string FileName = @"toomanylengthsexception.css";
var fileInfo = new FileInfo(Path.Combine(ActualDirectory, FileName));
var styleSheetNode = CssParser.Parse(fileInfo);
Assert.IsNotNull(styleSheetNode);
try
{
styleSheetNode.Accept(new ImageAssemblyScanVisitor(fileInfo.FullName, null));
}
catch (ImageAssembleException imageAssembleException)
{
Assert.IsTrue(imageAssembleException.ToString().Contains(string.Format(CultureInfo.InvariantCulture, CssStrings.TooManyLengthsError, string.Empty).TrimEnd(new[] { '.', '\'' })));
}
}
public void SupportsNegatedDisplayFlexRuleWithDeclarations()
{
var source = @"@supports not ( display: flex ) {
body { width: 100%; height: 100%; background: white; color: black; }
#navigation { width: 25%; }
#article { width: 75%; }
}";
var parser = new CssParser(source);
parser.Parse();
Assert.AreEqual(1, parser.Result.Rules.Length);
Assert.IsInstanceOf <CssSupportsRule>(parser.Result.Rules[0]);
var supports = parser.Result.Rules[0] as CssSupportsRule;
Assert.AreEqual(3, supports.Rules.Length);
Assert.AreEqual("not (display: flex)", supports.ConditionText);
Assert.IsFalse(supports.IsSupported);
}
public void DataTrigger_should_be_added_to_Triggers()
{
var content = @"
Button
{
@Data Text.Length 10
{
IsEnabled: False;
ForegroundColor: Red;
}
}
";
var styleSheet = CssParser.Parse(content);
var first = styleSheet.Rules[0].DeclarationBlock.Triggers[0] as DataTrigger;
first.Binding.Should().Be("Text.Length");
first.Value.Should().Be("10");
}
public void SimpleTest()
{
var parser = new CssParser(this.content);
parser.Parse();
IEnumerable <CssClass> result = parser.Result;
var cssClasses = result.ToList();
for (int i = 0; i < cssClasses.Count; i++)
{
var resultElement = cssClasses[i];
var expectedElement = this.checkList[i];
Assert.That(resultElement.Name, Is.EqualTo(expectedElement.Name));
Assert.That(resultElement.PascalCaseName, Is.EqualTo(expectedElement.PascalCaseName));
}
}
public void Can_parse_and_use_color_variables()
{
var css = @"
$background: #ff00ff;
$foreground: #00ff00;
.header {
BackgroundColor: $background;
TextColor: $foreground;
}
";
var styleSheet = CssParser.Parse(css);
styleSheet.Rules.Count.Should().Be(1);
styleSheet.Rules[0].SelectorString.Should().Be(".header");
styleSheet.Rules[0].DeclarationBlock[0].Value.Should().Be("#ff00ff");
styleSheet.Rules[0].DeclarationBlock[1].Value.Should().Be("#00ff00");
}
public void Can_parse_and_use_text_variables()
{
var css = @"
$textVariable1: ""Title"";
$textVariable2: ""Subtitle"";
.header {
Title: $textVariable1;
SubTitle: $textVariable2;
}
";
var styleSheet = CssParser.Parse(css);
styleSheet.Rules.Count.Should().Be(1);
styleSheet.Rules[0].SelectorString.Should().Be(".header");
styleSheet.Rules[0].DeclarationBlock[0].Value.Should().Be("Title");
styleSheet.Rules[0].DeclarationBlock[1].Value.Should().Be("Subtitle");
}
public void Can_parse_and_use_markup_extensions_variables_with_Xaml_syntax()
{
var css = @"
$background: ""{Binding BackgroundColor}"";
$foreground: ""{Binding ForegroundColor}"";
.header {
BackgroundColor: $background;
TextColor: $foreground;
}
";
var styleSheet = CssParser.Parse(css);
styleSheet.Rules.Count.Should().Be(1);
styleSheet.Rules[0].SelectorString.Should().Be(".header");
styleSheet.Rules[0].DeclarationBlock[0].Value.Should().Be("{Binding BackgroundColor}");
styleSheet.Rules[0].DeclarationBlock[1].Value.Should().Be("{Binding ForegroundColor}");
}
public string[] SortDeclarations(IEnumerable<string> declarations)
{
Dictionary<string, string> inlineCommentStorage = new Dictionary<string, string>();
List<string> filteredDeclarations = new List<string>();
// How could you do this with clever linq stuff?
foreach (string attribute in declarations)
{
string trimmedAttribute = attribute.Trim();
Match inlineCommentRegexMatch = Regex.Match(trimmedAttribute, "/\\*.*\\*/");
if (inlineCommentRegexMatch.Success
&& inlineCommentRegexMatch.Index > 0)
{
string comment = inlineCommentRegexMatch.Value.Trim();
string value = trimmedAttribute.Remove(inlineCommentRegexMatch.Index).Trim();
inlineCommentStorage.Add(value, comment);
filteredDeclarations.Add(value);
}
else
{
filteredDeclarations.Add(attribute.Trim());
}
}
string rule = "div {" + string.Join(Environment.NewLine, filteredDeclarations) + "}";
CssParser parser = new CssParser();
StyleSheet sheet = parser.Parse(rule, true);
var comments = sheet.RuleSets[0].Block.Children.Where(c => c is CComment).Select(c => Environment.NewLine + c.Text);
var decls = sheet.RuleSets[0].Block.Declarations.Select(d => d.Text);
var sorted = decls.OrderBy(d => d, new DeclarationComparer());
List<string> list = new List<string>(Stringify(sorted));
list.AddRange(comments.OrderBy(c => c));
var query = from c in list
join o in inlineCommentStorage on c equals o.Key into gj
from sublist in gj.DefaultIfEmpty()
select c + (sublist.Key == null ? string.Empty : ' ' + sublist.Value);
return query.ToArray();
}
private IEnumerable<ParseItem> GetItems(string file, CssParser parser, string searchValue)
{
StyleSheet ss = parser.Parse(File.ReadAllText(file), true);
var visitorClass = new CssItemCollector<ClassSelector>(true);
ss.Accept(visitorClass);
var classes = from c in visitorClass.Items
where c.Text.Contains(searchValue)
select c;
var visitorIDs = new CssItemCollector<IdSelector>(true);
ss.Accept(visitorIDs);
var ids = from c in visitorIDs.Items
where c.Text.Contains(searchValue)
select c;
List<ParseItem> list = new List<ParseItem>();
list.AddRange(classes);
list.AddRange(ids);
return list;
}
// A very ugly hack for a very ugly bug: https://github.com/hcatlin/libsass/issues/324
// Remove this and its caller in previous method, when it is fixed in original repo
// and https://github.com/andrew/node-sass/ is released with the fix.
// Overwriting all positions belonging to original/source file.
private IEnumerable<CssSourceMapNode> CorrectionsForScss(string cssFileContents)
{
// Sort collection for generated file.
var sortedForGenerated = MapNodes.OrderBy(x => x.GeneratedLine)
.ThenBy(x => x.GeneratedColumn)
.ToList();
ParseItem item = null;
Selector selector = null;
SimpleSelector simple = null;
StyleSheet styleSheet = null, cssStyleSheet = null;
int start = 0, indexInCollection, targetDepth;
string fileContents = null, simpleText = "";
var result = new List<CssSourceMapNode>();
var contentCollection = new Dictionary<string, string>(); // So we don't have to read file for each map item.
var parser = new CssParser();
cssStyleSheet = parser.Parse(cssFileContents, false);
foreach (var node in MapNodes)
{
// Cache source file contents.
if (!contentCollection.ContainsKey(node.SourceFilePath))
{
if (!File.Exists(node.SourceFilePath)) // Lets say someone deleted the reference file.
continue;
fileContents = File.ReadAllText(node.SourceFilePath);
contentCollection.Add(node.SourceFilePath, fileContents);
styleSheet = _parser.Parse(fileContents, false);
}
start = cssFileContents.NthIndexOfCharInString('\n', node.GeneratedLine);
start += node.GeneratedColumn;
item = cssStyleSheet.ItemAfterPosition(start);
if (item == null)
continue;
selector = item.FindType<Selector>();
simple = item.FindType<SimpleSelector>();
if (selector == null || simple == null)
continue;
simpleText = simple.Text;
indexInCollection = sortedForGenerated.FindIndex(e => e.Equals(node));//sortedForGenerated.IndexOf(node);
targetDepth = 0;
for (int i = indexInCollection;
i >= 0 && node.GeneratedLine == sortedForGenerated[i].GeneratedLine;
targetDepth++, --i) ;
start = fileContents.NthIndexOfCharInString('\n', node.OriginalLine);
start += node.OriginalColumn;
item = styleSheet.ItemAfterPosition(start);
while (item.TreeDepth > targetDepth)
{
item = item.Parent;
}
// selector = item.FindType<RuleSet>().Selectors.First();
RuleSet rule;
ScssRuleBlock scssRuleBlock = item as ScssRuleBlock;
if (scssRuleBlock == null)
rule = item as RuleSet;
else
rule = scssRuleBlock.RuleSets.First();
// Because even on the same TreeDepth, there may be mulitple ruleblocks
// and the selector names may include & or other symbols which are diff
// fromt he generated counterpart, here is the guess work
item = rule.Children.FirstOrDefault(r => r is Selector && r.Text.Trim() == simpleText) as Selector;
selector = item == null ? null : item as Selector;
if (selector == null)
{
// One more try; dive deep and sniff then skip.
var items = rule.Children.Where(r => r is RuleBlock)
.SelectMany(r => (r as RuleBlock).Children
.Where(s => s is RuleSet)
.Select(s => (s as RuleSet).Selectors.FirstOrDefault(sel => sel.Text.Trim() == simpleText)));
selector = items.Any() ? items.First() : null;
if (selector == null)
continue;
}
node.OriginalLine = fileContents.Substring(0, selector.Start).Count(s => s == '\n');
node.OriginalColumn = fileContents.GetLineColumn(selector.Start, node.OriginalLine);
result.Add(node);
}
return result;
}
private IEnumerable<CssSourceMapNode> ProcessGeneratedMaps(string fileContents)
{
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(fileContents, false);
foreach (var node in MapNodes)
{
start = fileContents.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++)
{
selectorText.Append(simple.Text).Append(" ");
if (simple.NextSibling == null)
continue;
simple = simple.NextSibling as SimpleSelector;
}
selector = parser.Parse(selectorText.ToString(), false).RuleSets.First().Selectors.First() as Selector;
if (selector == null)
continue;
}
node.GeneratedSelector = selector;
result.Add(node);
}
return result;
}
