public override Expression Apply(MappingStrategy strategy, ConversionStep conversion)
{
if (nullableProperties == null)
{
var value = sourcePropertyChain.Aggregate<PropertyInfo, Expression>(strategy.SourceExpression, Expression.Property);
return SetValue(strategy, conversion, value);
}
return BuildBody(Expression.Property(strategy.SourceExpression, sourcePropertyChain[0]), 0, strategy, conversion);
}
public override Expression Apply(MappingStrategy strategy, ConversionStep conversion)
{
if (nullableProperties == null)
{
var value = sourcePropertyChain.Aggregate <PropertyInfo, Expression>(strategy.SourceExpression, Expression.Property);
return(SetValue(strategy, conversion, value));
}
return(BuildBody(Expression.Property(strategy.SourceExpression, sourcePropertyChain[0]), 0, strategy, conversion));
}
Expression SetValue(MappingStrategy strategy, ConversionStep conversion, Expression value)
{
strategy.ValueExpression = value;
if (conversion != null)
{
var convert = conversion.BuildConversionExpression(strategy);
strategy.ValueExpression = convert;
}
return(BuildSetTargetValueExpression(strategy));
}
public override Expression Apply(MappingStrategy strategy, ConversionStep conversion)
{
var get = Expression.Property(strategy.SourceExpression, sourceProperty);
strategy.ValueExpression = get;
if (conversion != null)
{
var convert = conversion.BuildConversionExpression(strategy);
strategy.ValueExpression = convert;
}
return(strategy.ValueExpression);
}
public override Expression Apply(MappingStrategy strategy, ConversionStep conversion)
{
var get = Expression.Property(strategy.SourceExpression, sourceProperty);
strategy.ValueExpression = get;
if (conversion != null)
{
var convert = conversion.BuildConversionExpression(strategy);
strategy.ValueExpression = convert;
}
var property = Expression.Property(strategy.TargetExpression, targetProperty);
return Expression.Assign(property, strategy.ValueExpression);
}
Expression BuildBody(Expression owner, int index, MappingStrategy strategy, ConversionStep conversion)
{
if (index == sourcePropertyChain.Length - 1)
{
return SetValue(strategy, conversion, owner);
}
if (nullableProperties.Contains(sourcePropertyChain[index]) == false)
{
return BuildBody(Expression.Property(owner, sourcePropertyChain[index + 1]), index + 1, strategy, conversion);
}
var local = Expression.Variable(owner.Type);
var property = new PropertyIfNotNullInnerExpression(Expression.Property(local, sourcePropertyChain[index + 1]));
var body = BuildBody(property, index + 1, strategy, conversion);
var expression = new PropertyIfNotNullExpression(owner, body, local, TargetValueType);
property.Owner = expression;
return expression;
}
Expression BuildBody(Expression owner, int index, MappingStrategy strategy, ConversionStep conversion)
{
if (index == sourcePropertyChain.Length - 1)
{
return(SetValue(strategy, conversion, owner));
}
if (nullableProperties.Contains(sourcePropertyChain[index]) == false)
{
return(BuildBody(Expression.Property(owner, sourcePropertyChain[index + 1]), index + 1, strategy, conversion));
}
var local = Expression.Variable(owner.Type);
var property = new PropertyIfNotNullInnerExpression(Expression.Property(local, sourcePropertyChain[index + 1]));
var body = BuildBody(property, index + 1, strategy, conversion);
var expression = new PropertyIfNotNullExpression(owner, body, local, TargetValueType);
property.Owner = expression;
return(expression);
}
public abstract Expression Apply(MappingStrategy strategy, ConversionStep conversion);
public override Expression Apply(MappingStrategy strategy, ConversionStep conversion)
{
strategy.ValueExpression = strategy.SourceExpression;
return(conversion.BuildConversionExpression(strategy));
}
public override Expression Apply(MappingStrategy strategy, ConversionStep conversion)
{
return apply(strategy, conversion);
}
Expression SetValue(MappingStrategy strategy, ConversionStep conversion, Expression value)
{
strategy.ValueExpression = value;
if (conversion != null)
{
var convert = conversion.BuildConversionExpression(strategy);
strategy.ValueExpression = convert;
}
return BuildSetTargetValueExpression(strategy);
}
public override Expression Apply(MappingStrategy strategy, ConversionStep conversion)
{
strategy.ValueExpression = strategy.SourceExpression;
return conversion.BuildConversionExpression(strategy);
}
public abstract Expression Apply(MappingStrategy strategy, ConversionStep conversion);
public override Expression Apply(MappingStrategy strategy, ConversionStep conversion)
{
return(apply(strategy, conversion));
}
