private XjPath ParseRoot(Queue <Token> tokens)
{
XjPath prop = null;
while (tokens.Count > 0)
{
var token = tokens.Dequeue();
switch (token.Kind)
{
case KindToken.Identifier:
if (prop != null)
{
throw new ParsingException(token.Text, token.Index);
}
prop = new XjPath()
{
Type = token.Text.ToLower()
};
break;
case KindToken.Left:
if (prop == null)
{
throw new ParsingException(token.Text, token.Index);
}
if (prop.Type == "jpath")
{
ParseJpath(tokens, prop);
}
else
{
ParseFunction(tokens, prop);
}
break;
case KindToken.Pipe:
ParseFunction(tokens, prop);
break;
case KindToken.Right:
break;
default:
break;
}
}
return(prop);
}
private void ParseProperty(Queue <Token> tokens, XjsltProperty prop)
{
XjPath p = null;
while (tokens.Count > 0)
{
var token = tokens.Dequeue();
switch (token.Kind)
{
case KindToken.Identifier:
p = new XjPath()
{
Type = token.Text.ToLower()
};
prop.Value = p;
break;
case KindToken.Left:
if (p == null)
{
throw new ParsingException(token.Text, token.Index);
}
if (p.Type == "jpath")
{
ParseJpath(tokens, p);
}
else
{
ParseFunction(tokens, p);
}
break;
case KindToken.Pipe:
ParseFunction(tokens, p);
break;
case KindToken.Right:
break;
default:
break;
}
}
}
private void ParseJpath(Queue <Token> tokens, XjPath prop)
{
while (tokens.Count > 0)
{
var token = tokens.Dequeue();
switch (token.Kind)
{
case KindToken.Identifier:
prop.Value = token.Text;
break;
case KindToken.Right:
return;
default:
throw new ParsingException(token.Text, token.Index);
}
}
}
public object VisitJPath(XjPath node)
{
using (var ctx = NewContext())
{
if (node.Type == "jpath")
{
ctx.Current.RootSource = Expression.Call(RuntimeContext._getContentByJPath.Method, ctx.Current.Context, ctx.Current.RootSource, Expression.Constant(node.Value));
}
else
{
}
if (node.Child != null)
{
ctx.Current.RootSource = (Expression)node.Child.Accept(this);
}
return(ctx.Current.RootSource);
}
}
private void ParseFunction(Queue <Token> tokens, XjPath propRoot)
{
XjsltObject o = null;
string type = string.Empty;
while (tokens.Count > 0)
{
var token = tokens.Dequeue();
switch (token.Kind)
{
case KindToken.Identifier:
type = token.Text;
o = new XjsltObject()
{
};
break;
case KindToken.Left:
if (o == null)
{
throw new ParsingException(token.Text, token.Index);
}
ParseObject(tokens, o);
propRoot.Child = new XjsltType(o)
{
Type = type
};
break;
case KindToken.Pipe:
throw new ParsingException(token.Text, token.Index);
case KindToken.Right:
return;
default:
break;
}
}
}
public object VisitJPath(XjPath node)
{
throw new NotImplementedException();
}
