Fixed counter issue #58

Author: FlorianRappl

src/AngleSharp.Css.Tests/Declarations/CssContentProperty.cs

@@ -1,4 +1,4 @@
-namespace AngleSharp.Css.Tests.Declarations
+namespace AngleSharp.Css.Tests.Declarations
 {
     using AngleSharp.Css.Dom;
     using NUnit.Framework;
@@ -38,5 +38,13 @@ public void CssContentParseStringWithSingleQuoteMultipleEscapes()
             var parsed = ParseStyle(source);
             Assert.AreEqual("\"abc''d'ef\"", parsed.Style.GetContent());
         }
+
+        [Test]
+        public void CssContentWithCounter_Issue58()
+        {
+            var source = "a{content: counter(h1) \".\\00A0\"}";
+            var parsed = ParseStyle(source);
+            Assert.AreEqual("counter(h1) \". \"", parsed.Style.GetContent());
+        }
     }
 }

src/AngleSharp.Css/Values/Primitives/CounterDefinition.cs

@@ -38,7 +38,9 @@ public CounterDefinition(String identifier, String listStyle, String separator)
         /// <summary>
         /// Gets the CSS text representation.
         /// </summary>
-        public String CssText => String.Concat(_identifier, " ", _listStyle, " ", _separator);
+        public String CssText => _separator == null ?
+            FunctionNames.Counter.CssFunction(Combine(_identifier)) :
+            FunctionNames.Counters.CssFunction(Combine(String.Concat(_identifier, " ", _separator)));
 
         /// <summary>
         /// Gets the identifier of the counter.
@@ -86,5 +88,11 @@ public override Boolean Equals(Object obj) =>
         public override Int32 GetHashCode() => CssText.GetHashCode();
 
         #endregion
+
+        #region Helpers
+
+        private String Combine(String head) => _listStyle != CssKeywords.Decimal ? String.Concat(head, ", ", _listStyle) : head;
+
+        #endregion
     }
 }