public BindingGrammar()
{
//[4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' | CombiningChar | Extender
var NameChar = Ch(char.IsLetterOrDigit).Or(Ch('.', '-', '_', ':')) /*.Or(CombiningChar).Or(Extener)*/;
//[5] Name ::= (Letter | '_' | ':') (NameChar)*
var Name =
Ch(char.IsLetter).Or(Ch('_', ':')).And(Rep(NameChar))
.Build(hit => hit.Left + new string(hit.Down.ToArray()));
var stringPrefixReference =
Ch("\"@").And(Opt(Name)).And(Ch("*\""))
.Or(Ch("'@").And(Opt(Name)).And(Ch("*'")))
.Build(hit => new BindingPrefixReference(hit.Left.Down)
{
AssumeStringValue = true
});
var rawPrefixReference = Ch('@').And(Opt(Name)).And(Ch('*'))
.Build(hit => new BindingPrefixReference(hit.Left.Down));
var dictionaryPrefixReference = Ch("{{").And(stringPrefixReference.Or(rawPrefixReference)).And(Ch("}}"))
.Build(hit =>
{
hit.Left.Down.AssumeDictionarySyntax = true;
return(hit.Left.Down);
});
PrefixReference = stringPrefixReference.Or(rawPrefixReference).Or(dictionaryPrefixReference)
.Build(hit => (BindingNode)hit);
var stringNameReference = Ch("\"@").And(Name).And(Ch('\"'))
.Or(Ch("'@").And(Name).And(Ch('\'')))
.Build(hit => (BindingNode) new BindingNameReference(hit.Left.Down)
{
AssumeStringValue = true
});
var rawNameReference = Ch('@').And(Name)
.Build(hit => (BindingNode) new BindingNameReference(hit.Down));
var childReference = Ch("child::*").Or(Ch("'child::*'")).Or(Ch("\"child::*\""))
.Build(hit => (BindingNode) new BindingChildReference());
NameReference = stringNameReference.Or(rawNameReference);
var anyReference = PrefixReference.Or(NameReference).Or(childReference);
var escapedLiteral = Ch("[[").Build(hit => '<').Or(Ch("]]").Build(hit => '>'));
var plainLiteral = Ch(ch => true).Unless(anyReference).Unless(escapedLiteral);
Literal = Rep1(escapedLiteral.Or(plainLiteral))
.Build(hit => (BindingNode) new BindingLiteral(hit));
Nodes = Rep(anyReference.Or(Literal));
Phrase =
Ch("#").And(Nodes).Build(hit => new BindingPhrase {
Type = BindingPhrase.PhraseType.Statement, Nodes = hit.Down
})
.Or(Nodes.Build(hit => new BindingPhrase {
Type = BindingPhrase.PhraseType.Expression, Nodes = hit
}));
}
public virtual object Visit(PrefixReference that, object value)
{
throw new System.NotImplementedException();
}
