ParameterSyntax(string name, MetaId metaId, DbParam param, string front, string back, bool displayValue)
{
Name = name;
MetaId = metaId;
_param = param;
_front = front;
_back = back;
_displayValue = displayValue;
}
internal static bool IsExtension(this MethodInfo methodInfo)
{
var id = new MetaId(methodInfo);
lock (_isExtension)
{
bool check;
if (!_isExtension.TryGetValue(id, out check))
{
check = methodInfo.IsDefined(typeof(ExtensionAttribute), false);
_isExtension[id] = check;
}
return(check);
}
}
static T GetMemberConverter <T>(MemberInfo member, Dictionary <MetaId, T> cache) where T : Attribute
{
var id = new MetaId(member);
lock (cache)
{
T attr;
if (cache.TryGetValue(id, out attr))
{
return(attr);
}
attr = member.GetAttribute <T>();
cache.Add(id, attr);
return(attr);
}
}
internal string Push(object obj, string nameSrc = null, MetaId metadataToken = null, IDbParam param = null)
{
if (string.IsNullOrEmpty(nameSrc)) nameSrc = "p_" + _count++;
else nameSrc = nameSrc.Replace(".", "_");
var name = _prefix + nameSrc;
DecodingParameterInfo val;
if (_parameters.TryGetValue(name, out val))
{
//find same metatoken object.
if (metadataToken != null && metadataToken == val.MetadataToken) return name;
//make unique name.
name = MakeUniqueName(nameSrc);
}
//register.
if (param == null) param = new DbParamValueOnly() { Value = obj };
_parameters.Add(name, new DecodingParameterInfo() { MetadataToken = metadataToken, Detail = param });
return name;
}
internal ParameterSyntax(string name = null, MetaId metaId = null, DbParam param = null)
{
Name = name;
MetaId = metaId;
_param = param;
}
internal ParameterSyntax(object value)
{
Name = null;
MetaId = null;
_param = new DbParam() {Value = value };
}