public static ExpressionNode Parse(HandlebarsParserState state, HandlebarsBlockStack blockStack, SourceLocation location, string expression, IMemberLocator memberLocator = null)
{
int recursionLevel = 0;
memberLocator = memberLocator ?? MemberLocator.Default;
expression = expression.Trim();
if (expression == "this")
{
return(SyntaxTreeExpression.Self(blockStack.GetCurrentModelType(), location));
}
if (expression.StartsWith("../"))
{
var blockNode = blockStack.FirstNode();
while (expression.StartsWith("../"))
{
var parentBlockNode = blockStack.GetParentNode(blockNode);
if (parentBlockNode != null)
{
blockNode = parentBlockNode;
expression = expression.Substring(3);
location = location.MoveIndex(3);
}
recursionLevel++;
}
return(ParseAgainstModel(blockStack.GetCurrentModelType(blockNode), expression, ExpressionScope.ModelOfParentScope, recursionLevel, memberLocator, location));
}
return(ParseAgainstModel(blockStack.GetCurrentModelType(), expression, ExpressionScope.CurrentModelOnStack, recursionLevel, memberLocator, location));
}
private static HandlebarsBlockStack CreateScopes(params Type[] modelTypes)
{
var scopes = new HandlebarsBlockStack();
foreach (var modelType in modelTypes)
{
scopes.PushBlock(new HandlebarsParserBlock {
Block = SyntaxTree.Block(), ModelInScope = modelType
});
}
return(scopes);
}
public static ExpressionNode Parse(HandlebarsBlockStack blockStack, string expression)
{
expression = expression.Trim();
if (expression == "this")
{
return(SyntaxTreeExpression.Self(blockStack.GetCurrentModelType(), ExpressionScope.CurrentModelOnStack));
}
if (expression.StartsWith("../"))
{
return(ParseAgainstModel(blockStack.GetParentModelType(), expression.Substring(3), ExpressionScope.ModelOfParentScope));
}
return(ParseAgainstModel(blockStack.GetCurrentModelType(), expression, ExpressionScope.CurrentModelOnStack));
}
