/// <summary>
/// Constructs the blockifier by initialising block parsers
/// </summary>
public Blockifier()
{
var commentParser = new CommentParser();
var bindingParser = new ModelBindingParser();
var conditionalBindingParser = new ConditionalBindingParser();
var functionParser = new FunctionParser();
var variableParser = new VariableParser();
var variableReassignmentParser = new VariableReassignmentParser();
var variableIncrementerParser = new VariableIncrementerParser();
var variableDecrementerParser = new VariableDecrementerParser();
var flagParser = new FlagParser();
var eachLoopParser = new ForEachLoopParser(this);
var whileLoopParser = new WhileLoopParser(this);
var ifParser = new IfStatementParser(this);
var partialParser = new RenderPartialParser();
_parsers = new List <IBlockParser>()
{
commentParser,
bindingParser,
conditionalBindingParser,
functionParser,
variableParser,
variableReassignmentParser,
variableIncrementerParser,
variableDecrementerParser,
flagParser,
eachLoopParser,
whileLoopParser,
ifParser,
partialParser
};
}
/// <summary>
/// Parses the value signature into the value type specified
/// </summary>
/// <param name="type">The value type</param>
/// <param name="signature">The value signature</param>
/// <returns>The parsed value</returns>
public static object ParseValue
(
this NettleValueType type,
string signature
)
{
if (String.IsNullOrEmpty(signature))
{
return(null);
}
var convertedValue = default(object);
switch (type)
{
case NettleValueType.String:
{
if (signature.Equals("\"\""))
{
convertedValue = String.Empty;
}
else if (signature.StartsWith("\"") && signature.EndsWith("\""))
{
convertedValue = signature.Crop
(
1,
signature.Length - 2
);
}
else
{
convertedValue = signature;
}
break;
}
case NettleValueType.Number:
{
convertedValue = Double.Parse(signature);
break;
}
case NettleValueType.Boolean:
{
convertedValue = Boolean.Parse(signature);
break;
}
case NettleValueType.ModelBinding:
{
var bindingPath = signature;
if (bindingPath.StartsWith(@"{{") && bindingPath.EndsWith(@"}}"))
{
bindingPath = bindingPath.Crop
(
2,
bindingPath.Length - 3
);
}
if (bindingPath.StartsWith(@"$") && bindingPath.Length > 1)
{
// Ensure a property reference isn't being made on the model
if (false == bindingPath.StartsWith(@"$."))
{
bindingPath = bindingPath.Crop(1);
}
}
convertedValue = bindingPath;
break;
}
case NettleValueType.Variable:
{
// NOTE: this isn't resolvable until runtime
convertedValue = signature;
break;
}
case NettleValueType.Function:
{
var functionParser = new FunctionParser();
var templateContent = String.Copy(signature);
var positionOffset = default(int);
convertedValue = functionParser.Parse
(
ref templateContent,
ref positionOffset,
signature
);
break;
}
case NettleValueType.BooleanExpression:
{
var expressionParser = new BooleanExpressionParser();
var expression = signature;
if (expression.StartsWith(@"(") && expression.EndsWith(@")"))
{
expression = expression.Crop
(
1,
expression.Length - 2
);
}
convertedValue = expressionParser.Parse
(
expression
);
break;
}
case NettleValueType.KeyValuePair:
{
var pairParser = new KeyValuePairParser();
convertedValue = pairParser.Parse
(
signature
);
break;
}
case NettleValueType.AnonymousType:
{
var typeParser = new AnonymousTypeParser();
convertedValue = typeParser.Parse
(
signature
);
break;
}
}
return(convertedValue);
}
