public override object Build(BuilderContext context)
{
//如果定义了类型（或简单的type或完整的constructor）
if (context.Builtin.BuiltinType != null)
{
return(base.Build(context));
}
//如果定义了value属性，则采用该属性值作为构建结果
if (context.Builtin.Properties.TryGet("value", out var property))
{
if (Parsers.Parser.CanParse(property.RawValue))
{
var result = Parsers.Parser.Parse(property.RawValue, context.Builtin, "value", this.GetValueType(context.Builtin));
if (result != null)
{
//必须将value自身作为忽略属性项
var ignoredProperties = this.IgnoredProperties == null ?
new HashSet <string>(new[] { "value" }, StringComparer.OrdinalIgnoreCase) :
new HashSet <string>(this.IgnoredProperties.Concat(new[] { "value" }), StringComparer.OrdinalIgnoreCase);
//更新构件属性到目标对象的属性中
PluginUtility.UpdateProperties(result, context.Builtin, ignoredProperties);
}
return(result);
}
return(property.RawValue);
}
//调用基类同名方法
return(base.Build(context));
}
public override object Build(BuilderContext context)
{
object result = null;
if (context.Builtin.Properties.TryGetValue("value", out result))
{
PluginUtility.UpdateProperties(result, context.Builtin, this.IgnoredProperties);
}
else
{
result = base.Build(context);
}
return(result);
}