internal static CssStyleDeclaration ParseDeclarations(String declarations)
{
var parser = new CssParser();
var style = new CssStyleDeclaration(parser);
style.Update(declarations);
return style;
}
/// <summary>
/// Sets a new default stylesheet defined by the provided string.
/// </summary>
/// <param name="sourceCode">The source for a new base stylesheet.</param>
/// <returns>The CSSOM of the parsed source.</returns>
public ICssStyleSheet SetDefault(String sourceCode)
{
var parser = new CssParser(_options, Configuration.Default);
var sheet = parser.ParseStylesheet(sourceCode);
_default = sheet;
return sheet;
}
static CssImportRule NewImportRule(String cssText)
{
var parser = new CssParser();
var rule = new CssImportRule(parser);
rule.CssText = cssText;
return rule;
}
/// <summary>
/// Creates a new unknown rule.
/// </summary>
public CssUnknownRule(String name, CssParser parser)
: base(CssRuleType.Unknown, parser)
{
_name = name;
_prelude = String.Empty;
_content = String.Empty;
}
internal CssStyleSheet(CssParser parser, String url, IElement owner)
{
_media = new MediaList(parser);
_owner = owner;
_url = url;
_rules = new CssRuleList(this);
_parser = parser;
}
/// <summary>
/// Sets a new default stylesheet defined by the provided string.
/// </summary>
/// <param name="sourceCode">The source for a new base stylesheet.</param>
/// <returns>The CSSOM of the parsed source.</returns>
public ICssStyleSheet SetDefault(String sourceCode)
{
var parser = new CssParser(_options);
var source = new TextSource(sourceCode);
var sheet = new CssStyleSheet(parser, default(String), default(ICssStyleSheet));
_default = Parse(parser, sheet, source).Result;
return _default;
}
static ICssStyleSheet TestCss(String source, String title = "CSS document")
{
var parser = new CssParser();
var sw = Stopwatch.StartNew();
var sheet = parser.ParseStylesheet(source);
sw.Stop();
Console.WriteLine("Parsing " + title + " took " + sw.ElapsedMilliseconds + "ms");
return sheet;
}
static void CreateCssSelectorTest(IBrowsingContext context, String url, List<String> methods)
{
Console.Write("Loading " + url + " ... ");
var document = context.OpenAsync(url).Result;
var title = Sanatize(document.GetElementsByTagName("title")[0].TextContent);
var content = document.GetElementsByTagName("content")[0].InnerHtml.Trim().Replace("\"", "\"\"");
var styling = document.GetElementsByTagName("css")[0].TextContent;
var parser = new CssParser();
var sheet = parser.ParseStylesheet(styling);
var selectors = new StringBuilder();
var i = 1;
if (methods.Contains(title))
{
var ltr = 'A';
while (methods.Contains(title + ltr))
ltr = (Char)(ltr + 1);
title += ltr.ToString();
}
foreach (var rule in sheet.Rules)
{
if (rule is ICssStyleRule)
{
selectors.Append(@"
var selectorINDEX = doc.QuerySelectorAll(""SELECTOR"");
Assert.AreEqual(0, selectorINDEX.Length);"
.Replace("SELECTOR", ((ICssStyleRule)rule).SelectorText)
.Replace("INDEX", i.ToString()));
i++;
}
}
File.AppendAllText("test.cs", @"
/// <summary>
/// Test taken from URL
/// </summary>
public void TITLE()
{
var source = @""HTML"";
var doc = DocumentBuilder.Html(source);
SELECTORS
}
"
.Replace("URL", url)
.Replace("TITLE", title)
.Replace("HTML", content)
.Replace("SELECTORS", selectors.ToString())
);
Console.WriteLine("success.");
methods.Add(title);
}
/// <summary>
/// Applies a CSS stylesheet to the current App
/// <para xml:lang="es">
/// Aplica una hoja de estilo css para la aplicacion actual.
/// </para>
/// </summary>
/// <param name="styleSheet">A list of css rules to be applied to the current running App
/// <para xml:lang="es">Una lista de reglas css que se aplicaran a la aplicacion actual en ejecucion.</para>
/// </param>
public static void ParseStyleRules(string styleSheet)
{
CssParser parser = new CssParser();
ICssStyleSheet cssStylesSheet = parser.ParseStylesheet(styleSheet);
//get only the rules that are actually styles
foreach (ICssStyleRule rule in cssStylesSheet.Rules.Where(rule => rule.Type == CssRuleType.Style))
{
ParsedStyleRules.Add(rule);
}
}
public void TestAsyncCssParsing()
{
var source = "h1 { color: red; } h2 { color: blue; } p { font-family: Arial; } div { margin: 10 }";
var parser = new CssParser(source, Configuration.Default);
var task = parser.ParseAsync();
Assert.IsFalse(task.IsCompleted);
Assert.IsNotNull(parser.Result);
Assert.IsFalse(task.IsCompleted);
task.Wait();
Assert.IsTrue(task.IsCompleted);
Assert.IsNotNull(parser.Result);
Assert.AreEqual(4, parser.Result.Rules.Length);
}
public async Task TestAsyncCssParsingFromString()
{
var source = "h1 { color: red; } h2 { color: blue; } p { font-family: Arial; } div { margin: 10 }";
var parser = new CssParser(Configuration.Default);
using (var task = parser.ParseStylesheetAsync(source))
{
Assert.IsTrue(task.IsCompleted);
var result = await task;
Assert.AreEqual(result, result);
Assert.AreEqual(4, result.Rules.Length);
}
}
public void CssStyleSheetComplexRoundtrip()
{
var parser = new CssParser(new CssParserOptions
{
IsStoringTrivia = true,
IsToleratingInvalidValues = true
});
var source = CssStyleEngine.DefaultSource.Replace(Environment.NewLine, "\n").Replace("\\A", "\\a").Replace("'", "\"");
var sheet = parser.ParseStylesheet(source);
var roundtrip = sheet.ParseTree.GetSource();
Assert.AreEqual(source, roundtrip);
}
public void CssStyleSheetSimpleRoundtrip()
{
var parser = new CssParser(new CssParserOptions
{
IsStoringTrivia = true,
IsToleratingInvalidValues = true
});
var source = ".foo { color: red; } @media all /*test*/ and /*test*/ (min-width: 701px) /*test*/ { #myid { color: green; } }";
var sheet = parser.ParseStylesheet(source);
var roundtrip = sheet.ParseTree.GetSource();
Assert.AreEqual(source, roundtrip);
}
public void CssStyleSheetWithCommentInMedia()
{
var parser = new CssParser(new CssParserOptions
{
IsStoringTrivia = true
});
var source = ".foo { color: red; } @media all /*test*/ and /*test*/ (min-width: 701px) /*test*/ { #myid { color: green; } }";
var sheet = parser.ParseStylesheet(source);
var comments = sheet.ParseTree.GetComments();
Assert.AreEqual(3, comments.Count());
foreach (var comment in comments)
Assert.AreEqual("test", comment.Text);
}
/// <summary>
/// Creates a new CSS style rule.
/// </summary>
internal CssStyleRule(CssParser parser)
: base(CssRuleType.Style, parser)
{
_style = new CssStyleDeclaration(this);
_selector = SimpleSelector.All;
}
public CssUnknownRule(String name, CssParser parser)
: base(CssRuleType.Unknown, parser)
{
_name = name;
}
/// <summary>
/// Creates a style sheet for the given response from a request.
/// </summary>
/// <param name="response">
/// The response with the stream representing the source of the
/// stylesheet.
/// </param>
/// <param name="options">
/// The options with the parameters for evaluating the style.
/// </param>
/// <returns>The created style sheet.</returns>
public IStyleSheet ParseStylesheet(IResponse response, StyleOptions options)
{
var parser = new CssParser(_options, options.Configuration);
var sheet = new CssStyleSheet(parser, response.Address.Href, options.Element)
{
IsDisabled = options.IsDisabled
};
var source = new TextSource(response.Content);
return Parse(parser, sheet, source).Result;
}
internal CssDeclarationRule(CssRuleType type, String name, CssParser parser)
: base(type, parser)
{
_name = name;
}
public void CssStyleSheetSelectorsGetAll()
{
var parser = new CssParser(new CssParserOptions
{
IsStoringTrivia = true
});
var source = ".foo { } #bar { } @media all { div { } a > b { } @media print { script[type] { } } }";
var sheet = parser.ParseStylesheet(source);
var roundtrip = sheet.ParseTree.GetSource();
Assert.AreEqual(source, roundtrip);
var selectors = sheet.ParseTree.GetAll<ISelector>();
Assert.AreEqual(5, selectors.Count());
var mediaRules = sheet.ParseTree.GetAll<ICssMediaRule>();
Assert.AreEqual(2, mediaRules.Count());
var descendentSelector = selectors.Skip(3).First();
Assert.AreEqual("a>b", descendentSelector.Text);
var selectorNode = sheet.ParseTree.GetAssociatedNode(descendentSelector);
Assert.AreEqual("a > b ", selectorNode.GetSource());
}
public void CssStyleSheetWithoutCommentsButStoringTrivia()
{
var parser = new CssParser(new CssParserOptions
{
IsStoringTrivia = true
});
var source = ".foo { color: red; } @media print { #myid { color: green; } }";
var sheet = parser.ParseStylesheet(source);
var comments = sheet.ParseTree.GetComments();
Assert.AreEqual(0, comments.Count());
}
public void CssStyleSheetShouldIgnoreHtmlCommentTokens()
{
var parser = new CssParser();
var source = "<!-- body { font-family: Verdana } div.hidden { display: none } -->";
var sheet = parser.ParseStylesheet(source);
Assert.AreEqual(2, sheet.Rules.Length);
Assert.AreEqual(CssRuleType.Style, sheet.Rules[0].Type);
var body = sheet.Rules[0] as ICssStyleRule;
Assert.AreEqual("body", body.SelectorText);
Assert.AreEqual(1, body.Style.Length);
Assert.AreEqual("Verdana", body.Style.FontFamily);
Assert.AreEqual(CssRuleType.Style, sheet.Rules[1].Type);
var div = sheet.Rules[1] as ICssStyleRule;
Assert.AreEqual("div.hidden", div.SelectorText);
Assert.AreEqual(1, div.Style.Length);
Assert.AreEqual("none", div.Style.Display);
}
async Task<CssStyleSheet> Parse(CssParser parser, CssStyleSheet sheet, TextSource source)
{
var evt = new CssParseStartEvent(sheet);
var events = parser.Config.Events;
if (events != null)
events.Publish(evt);
await parser.ParseStylesheetAsync(sheet, source).ConfigureAwait(false);
evt.FireEnd();
return sheet;
}
/// <summary>
/// Creates a media list for the given source.
/// </summary>
/// <param name="source">The media source.</param>
/// <param name="options">
/// The options with the parameters for evaluating the style.
/// </param>
/// <returns>The created media list.</returns>
public IMediaList ParseMedia(String source, StyleOptions options)
{
var parser = new CssParser(_options, options.Configuration);
var media = new MediaList(parser);
media.MediaText = source;
return media;
}
/// <summary>
/// Creates a style declaration for the given source.
/// </summary>
/// <param name="source">
/// The source code for the inline style declaration.
/// </param>
/// <param name="options">
/// The options with the parameters for evaluating the style.
/// </param>
/// <returns>The created style declaration.</returns>
public ICssStyleDeclaration ParseInline(String source, StyleOptions options)
{
var parser = new CssParser(_options, options.Configuration);
var style = new CssStyleDeclaration(parser);
style.Update(source);
return style;
}
public void CssStyleSheetInsertAndDeleteShouldWork()
{
var parser = new CssParser();
var s = new CssStyleSheet(parser);
Assert.AreEqual(0, s.Rules.Length);
s.Insert("a {color: blue}", 0);
Assert.AreEqual(1, s.Rules.Length);
s.Insert("a *:first-child, a img {border: none}", 1);
Assert.AreEqual(2, s.Rules.Length);
s.RemoveAt(1);
Assert.AreEqual(1, s.Rules.Length);
s.RemoveAt(0);
Assert.AreEqual(0, s.Rules.Length);
}
/// <summary>
/// Creates a new @keyframes rule.
/// </summary>
internal CssKeyframesRule(CssParser parser)
: base(CssRuleType.Keyframes, parser)
{
_rules = new CssRuleList();
}
public void CssStyleSheetInsertShouldSetParentStyleSheetCorrectly()
{
var parser = new CssParser();
var s = new CssStyleSheet(parser);
s.Insert("a {color: blue}", 0);
Assert.AreEqual(s, s.Rules[0].Owner);
}
/// <summary>
/// Creates a style sheet for the given source.
/// </summary>
/// <param name="sourceCode">
/// The source code describing the style sheet.
/// </param>
/// <param name="options">
/// The options with the parameters for evaluating the style.
/// </param>
/// <returns>The created style sheet.</returns>
public IStyleSheet ParseStylesheet(String sourceCode, StyleOptions options)
{
var parser = new CssParser(_options, options.Configuration);
var sheet = new CssStyleSheet(parser, default(String), options.Element)
{
IsDisabled = options.IsDisabled
};
var source = new TextSource(sourceCode);
return Parse(parser, sheet, source).Result;
}
public void CssStyleSheetWithCommentInRule()
{
var parser = new CssParser(new CssParserOptions
{
IsStoringTrivia = true
});
var source = ".foo { color: red; } @media print { /*test*/ #myid { color: green; } /*test*/ }";
var sheet = parser.ParseStylesheet(source);
var comments = sheet.ParseTree.GetComments();
Assert.AreEqual(2, comments.Count());
foreach (var comment in comments)
Assert.AreEqual("test", comment.Text);
}
/// <summary>
/// Creates a new CSS import rule
/// </summary>
internal CssImportRule(CssParser parser)
: base(CssRuleType.Import, parser)
{
_media = new MediaList(parser);
}
