|
public static HashParametersExpression ( object>.Dictionary |
||
| parameters | object>.Dictionary | |
| return | HandlebarsDotNet.Compiler.HashParametersExpression | |
public override IEnumerable <object> ConvertTokens(IEnumerable <object> sequence)
{
var enumerator = sequence.GetEnumerator();
while (enumerator.MoveNext())
{
var item = enumerator.Current;
if (item is HashParameterAssignmentExpression parameterAssignment)
{
bool moveNext;
var parameters = AccumulateParameters(enumerator, out moveNext);
if (parameters.Any())
{
yield return(HandlebarsExpression.HashParametersExpression(parameters));
}
if (!moveNext)
{
yield break;
}
item = enumerator.Current;
}
yield return(item is Expression expression?Visit(expression) : item);
}
}
public override IEnumerable <object> ConvertTokens(IEnumerable <object> sequence)
{
var enumerator = sequence.GetEnumerator();
while (enumerator.MoveNext())
{
var item = enumerator.Current;
if (item is HashParameterToken)
{
var parameters = AccumulateParameters(enumerator);
if (parameters.Any())
{
yield return(HandlebarsExpression.HashParametersExpression(parameters));
}
yield return(enumerator.Current);
}
else
{
yield return(item);
}
}
}
protected virtual Expression VisitHashParametersExpression(HashParametersExpression hpex)
{
var parameters = new Dictionary <string, Expression>();
bool parametersChanged = false;
foreach (string key in hpex.Parameters.Keys)
{
Expression value = Visit(hpex.Parameters[key]);
parameters.Add(key, value);
if (value != hpex.Parameters[key])
{
parametersChanged = true;
}
}
if (parametersChanged)
{
return(HandlebarsExpression.HashParametersExpression(parameters));
}
return(hpex);
}