public void BindingGrammarCanReadAnEntireString()
{
var grammar = new BindingGrammar();
var pos = new Position(new SourceContext("hello world"));
var result = (BindingLiteral)grammar.Literal(pos).Value;
Assert.That(result.Text, Is.EqualTo("hello world"));
}
public IEnumerable <Binding> LoadStandardMarkup(TextReader reader)
{
IEnumerable <XElement> enumerable = XDocument.Load(reader).Elements("bindings").Elements <XElement>("element");
BindingGrammar grammar = new BindingGrammar();
return(from element in enumerable select ParseBinding(element, grammar));
}
public void AttrNameCanHaveSomeSpecialCharacters()
{
var grammar = new BindingGrammar();
var result = grammar.NameReference(Source("@extra:special.more-name stuff"));
Assert.That(result.Value, Is.InstanceOfType(typeof(BindingNameReference)));
var value = (BindingNameReference)result.Value;
Assert.That(value.Name, Is.EqualTo("extra:special.more-name"));
}
public IEnumerable<Binding> LoadStandardMarkup(TextReader reader)
{
var document = XDocument.Load(reader);
var elements = document.Elements("bindings").Elements("element");
var grammar = new BindingGrammar();
var bindings = elements.Select(element => ParseBinding(element, grammar));
return bindings;
}
public IEnumerable <Binding> LoadStandardMarkup(TextReader reader)
{
var document = XDocument.Load(reader);
var elements = document.Elements("bindings").Elements("element");
var grammar = new BindingGrammar();
var bindings = elements.Select(element => ParseBinding(element, grammar));
return(bindings);
}
public void MixedResultsComeBackAtTheRightPlaces()
{
var grammar = new BindingGrammar();
var result = grammar.Nodes(Source("Html.ActionLink(@caption, @action)"));
Assert.That(result.Value.Count(), Is.EqualTo(5));
Assert.That(((BindingLiteral)result.Value[0]).Text, Is.EqualTo("Html.ActionLink("));
Assert.That(((BindingNameReference)result.Value[1]).Name, Is.EqualTo("caption"));
Assert.That(((BindingLiteral)result.Value[2]).Text, Is.EqualTo(", "));
Assert.That(((BindingNameReference)result.Value[3]).Name, Is.EqualTo("action"));
Assert.That(((BindingLiteral)result.Value[4]).Text, Is.EqualTo(")"));
}
public IEnumerable<Binding> LoadStandardMarkup(TextReader reader)
{
var document = XDocument.Load(reader);
var elements = document.Elements("bindings").Elements("element");
var grammar = new BindingGrammar();
var bindings = elements.Select(
element =>
new Binding
{
ElementName = (string) element.Attribute("name"),
Nodes = grammar.Nodes(new Position(new SourceContext(element.Value))).Value
});
return bindings;
}
public void AttrsRecognizedStartingWithAtAndEndAfterName()
{
var grammar = new BindingGrammar();
var result1 = grammar.NameReference(Source("@caption"));
var result2 = grammar.NameReference(Source(" @caption"));
Assert.That(result1.Value, Is.InstanceOfType(typeof(BindingNameReference)));
Assert.That(result2, Is.Null);
var value1 = (BindingNameReference)result1.Value;
Assert.That(value1.Name, Is.EqualTo("caption"));
var result3 = grammar.NameReference(Source("@extra stuff"));
Assert.That(result3.Value, Is.InstanceOfType(typeof(BindingNameReference)));
var value3 = (BindingNameReference)result3.Value;
Assert.That(value3.Name, Is.EqualTo("extra"));
}
public void BothBracesMustBePresentToMatch()
{
var grammar = new BindingGrammar();
var result = grammar.Nodes(Source("a{{@*@hello*}}b"));
Assert.That(result.Value.Count(), Is.EqualTo(4));
var a = (BindingLiteral)result.Value[0];
var match1 = (BindingPrefixReference)result.Value[1];
var match2 = (BindingPrefixReference)result.Value[2];
var b = (BindingLiteral)result.Value[3];
Assert.That(a.Text, Is.EqualTo("a{{"));
Assert.That(b.Text, Is.EqualTo("}}b"));
Assert.That(match1.Prefix, Is.Null);
Assert.That(match2.Prefix, Is.EqualTo("hello"));
Assert.That(match1.AssumeDictionarySyntax, Is.False);
Assert.That(match2.AssumeDictionarySyntax, Is.False);
}
public void OptionalQuotesMarkAssumeStringValueAsTrue()
{
var grammar = new BindingGrammar();
var result = grammar.Nodes(Source("@one'@two'\"@three\"@four.*'@five.*'\"@six.*\""));
Assert.That(result.Value.Count(), Is.EqualTo(6));
var one = (BindingNameReference)result.Value[0];
var two = (BindingNameReference)result.Value[1];
var three = (BindingNameReference)result.Value[2];
var four = (BindingPrefixReference)result.Value[3];
var five = (BindingPrefixReference)result.Value[4];
var six = (BindingPrefixReference)result.Value[5];
Assert.That(one.AssumeStringValue, Is.False);
Assert.That(two.AssumeStringValue, Is.True);
Assert.That(three.AssumeStringValue, Is.True);
Assert.That(four.AssumeStringValue, Is.False);
Assert.That(five.AssumeStringValue, Is.True);
Assert.That(six.AssumeStringValue, Is.True);
}
public void BracesMayAppearAroundStrings()
{
var grammar = new BindingGrammar();
var result = grammar.Nodes(Source("a{{'@*'}}{{\"@hello*\"}}b"));
Assert.That(result.Value.Count(), Is.EqualTo(4));
var a = (BindingLiteral)result.Value[0];
var match1 = (BindingPrefixReference)result.Value[1];
var match2 = (BindingPrefixReference)result.Value[2];
var b = (BindingLiteral)result.Value[3];
Assert.That(a.Text, Is.EqualTo("a"));
Assert.That(b.Text, Is.EqualTo("b"));
Assert.That(match1.Prefix, Is.Null);
Assert.That(match2.Prefix, Is.EqualTo("hello"));
Assert.That(match1.AssumeDictionarySyntax, Is.True);
Assert.That(match2.AssumeDictionarySyntax, Is.True);
Assert.That(match1.AssumeStringValue, Is.True);
Assert.That(match2.AssumeStringValue, Is.True);
}
private static Binding ParseBinding(XElement element, BindingGrammar grammar)
{
var binding = new Binding
{
ElementName = (string)element.Attribute("name")
};
var start = element.Element("start");
var end = element.Element("end");
if (start != null && end != null)
{
binding.Phrases = new[]
{
ParsePhrase(start, grammar),
ParsePhrase(end, grammar)
};
}
else
{
binding.Phrases = new[]
{
ParsePhrase(element, grammar)
};
}
binding.HasChildReference = binding.Phrases
.SelectMany(phrase => phrase.Nodes)
.OfType<BindingChildReference>()
.Any();
if (binding.Phrases.Count() > 1 && binding.HasChildReference)
{
throw new CompilerException("Binding element '" + element.Attribute("name") +
"' can not have child::* in start or end phrases.");
}
return binding;
}
private static Binding ParseBinding(XElement element, BindingGrammar grammar)
{
var binding = new Binding
{
ElementName = (string)element.Attribute("name")
};
var start = element.Element("start");
var end = element.Element("end");
if (start != null && end != null)
{
binding.Phrases = new[]
{
ParsePhrase(start, grammar),
ParsePhrase(end, grammar)
};
}
else
{
binding.Phrases = new[]
{
ParsePhrase(element, grammar)
};
}
binding.HasChildReference = binding.Phrases
.SelectMany(phrase => phrase.Nodes)
.OfType <BindingChildReference>()
.Any();
if (binding.Phrases.Count() > 1 && binding.HasChildReference)
{
throw new CompilerException("Binding element '" + element.Attribute("name") +
"' can not have child::* in start or end phrases.");
}
return(binding);
}
private static Binding ParseBinding(XElement element, BindingGrammar grammar)
{
Binding binding = new Binding {
ElementName = (string)element.Attribute("name")
};
XElement element2 = element.Element("start");
XElement element3 = element.Element("end");
if ((element2 != null) && (element3 != null))
{
binding.Phrases = new BindingPhrase[] { ParsePhrase(element2, grammar), ParsePhrase(element3, grammar) };
}
else
{
binding.Phrases = new BindingPhrase[] { ParsePhrase(element, grammar) };
}
binding.HasChildReference = (from phrase in binding.Phrases select phrase.Nodes).OfType <BindingChildReference>().Any <BindingChildReference>();
if ((binding.Phrases.Count <BindingPhrase>() > 1) && binding.HasChildReference)
{
throw new CompilerException("Binding element '" + element.Attribute("name") + "' can not have child::* in start or end phrases.");
}
return(binding);
}
private static BindingPhrase ParsePhrase(XElement element, BindingGrammar grammar)
{
return grammar.Phrase(new Position(new SourceContext(element.Value))).Value;
}
private static BindingPhrase ParsePhrase(XElement element, BindingGrammar grammar)
{
return(grammar.Phrase(new Position(new SourceContext(element.Value))).Value);
}
public void PrefixRequiresTrailingAsterisk()
{
var grammar = new BindingGrammar();
var result1 = grammar.PrefixReference(Source("@caption.*x"));
var value1 = (BindingPrefixReference)result1.Value;
Assert.That(value1.Prefix, Is.EqualTo("caption."));
Assert.That(result1.Rest.Peek(), Is.EqualTo('x'));
var result2 = grammar.PrefixReference(Source("@*y"));
var value2 = (BindingPrefixReference)result2.Value;
Assert.That(value2.Prefix ?? "", Is.EqualTo(""));
Assert.That(result2.Rest.Peek(), Is.EqualTo('y'));
}
public void PrefixLetsYouWildcardAsTheLastCharacter()
{
var grammar = new BindingGrammar();
var result = grammar.Nodes(Source("Html.ActionLink(@caption.**, @**)"));
Assert.That(result.Value.Count(), Is.EqualTo(5));
Assert.That(((BindingLiteral)result.Value[0]).Text, Is.EqualTo("Html.ActionLink("));
Assert.That(((BindingPrefixReference)result.Value[1]).Prefix, Is.EqualTo("caption."));
Assert.That(((BindingLiteral)result.Value[2]).Text, Is.EqualTo("*, "));
Assert.That(((BindingPrefixReference)result.Value[3]).Prefix ?? "", Is.EqualTo(""));
Assert.That(((BindingLiteral)result.Value[4]).Text, Is.EqualTo("*)"));
}
public void DoubleSquareBracketIsAliasForAngleBracket()
{
var grammar = new BindingGrammar();
var result = grammar.Nodes(Source("this[[that]]"));
Assert.That(result.Value.Count(), Is.EqualTo(1));
var node = (BindingLiteral)result.Value[0];
Assert.That(node.Text, Is.EqualTo("this<that>"));
}
public void CurleyBracesAroundWildcardIndicateDictionaryInitializingSyntax()
{
var grammar = new BindingGrammar();
var result = grammar.Nodes(Source("a{{@*}}{{@hello*}}b"));
Assert.That(result.Value.Count(), Is.EqualTo(4));
var a = (BindingLiteral)result.Value[0];
var match1 = (BindingPrefixReference)result.Value[1];
var match2 = (BindingPrefixReference)result.Value[2];
var b = (BindingLiteral)result.Value[3];
Assert.That(a.Text, Is.EqualTo("a"));
Assert.That(b.Text, Is.EqualTo("b"));
Assert.That(match1.Prefix, Is.Null);
Assert.That(match2.Prefix, Is.EqualTo("hello"));
Assert.That(match1.AssumeDictionarySyntax, Is.True);
Assert.That(match2.AssumeDictionarySyntax, Is.True);
Assert.That(match1.AssumeStringValue, Is.False);
Assert.That(match2.AssumeStringValue, Is.False);
}
public void ChildContentCanAppearWithOrWithoutQuotes()
{
var grammar = new BindingGrammar();
var result = grammar.Nodes(Source("achild::*b'child::*'c\"child::*\"d"));
Assert.That(result.Value.Count(), Is.EqualTo(7));
var a = (BindingLiteral)result.Value[0];
var child1 = (BindingChildReference)result.Value[1];
var b = (BindingLiteral)result.Value[2];
var child2 = (BindingChildReference)result.Value[3];
var c = (BindingLiteral)result.Value[4];
var child3 = (BindingChildReference)result.Value[5];
var d = (BindingLiteral)result.Value[6];
Assert.That(a.Text, Is.EqualTo("a"));
Assert.That(b.Text, Is.EqualTo("b"));
Assert.That(c.Text, Is.EqualTo("c"));
Assert.That(d.Text, Is.EqualTo("d"));
Assert.That(child1, Is.Not.Null);
Assert.That(child2, Is.Not.Null);
Assert.That(child3, Is.Not.Null);
}
