|
public static BlockHelper ( string helperName, IEnumerable |
||
| helperName | string | |
| arguments | IEnumerable |
|
| body | ||
| inversion | ||
| return | HandlebarsDotNet.Compiler.BlockHelperExpression | |
public override Expression GetAccumulatedBlock()
{
if (_accumulatedBody == null)
{
_accumulatedBody = GetBlockBody();
_accumulatedInversion = Expression.Block(Expression.Empty());
}
else if (_accumulatedInversion == null)
{
_accumulatedInversion = GetBlockBody();
}
var resultExpr = HandlebarsExpression.BlockHelper(
_startingNode.HelperName,
_startingNode.Arguments.Where(o => o.NodeType != (ExpressionType)HandlebarsExpressionType.BlockParamsExpression),
_startingNode.Arguments.OfType <BlockParamsExpression>().SingleOrDefault() ?? BlockParamsExpression.Empty(),
_accumulatedBody,
_accumulatedInversion,
_startingNode.IsRaw);
if (_startingNode.IsRaw)
{
return(HandlebarsExpression.Statement(
resultExpr,
false,
_trimBefore,
_trimAfter));
}
return(resultExpr);
}
public override Expression GetAccumulatedBlock()
{
if (_accumulatedBody == null)
{
_accumulatedBody = GetBlockBody();
_accumulatedInversion = Expression.Block(Expression.Empty());
}
else if (_accumulatedInversion == null)
{
_accumulatedInversion = GetBlockBody();
}
var resultExpr = HandlebarsExpression.BlockHelper(
_startingNode.HelperName,
_startingNode.Arguments,
_accumulatedBody,
_accumulatedInversion,
_startingNode.IsRaw);
if (_startingNode.IsRaw)
{
return(HandlebarsExpression.Statement(
resultExpr,
false,
_trimBefore,
_trimAfter));
}
return(resultExpr);
}
protected override Expression VisitBlockHelperExpression(BlockHelperExpression bhex)
{
return(HandlebarsExpression.BlockHelper(
bhex.HelperName,
bhex.Arguments.Select(arg => Visit(arg)),
Visit(bhex.Body),
Visit(bhex.Inversion)));
}
protected virtual Expression VisitBlockHelperExpression(BlockHelperExpression bhex)
{
var arguments = VisitExpressionList(bhex.Arguments);
// Don't visit Body/Inversion - they will be compiled separately
if (arguments != bhex.Arguments)
{
return(HandlebarsExpression.BlockHelper(bhex.HelperName, arguments, bhex.BlockParams, bhex.Body, bhex.Inversion, bhex.IsRaw));
}
return(bhex);
}
public override Expression GetAccumulatedBlock()
{
if (_accumulatedBody == null)
{
_accumulatedBody = GetBlockBody();
_accumulatedInversion = Expression.Block(Expression.Empty());
}
else if (_accumulatedInversion == null)
{
_accumulatedInversion = GetBlockBody();
}
return(HandlebarsExpression.BlockHelper(
_startingNode.HelperName,
_startingNode.Arguments,
_accumulatedBody,
_accumulatedInversion));
}