string GetVariableDeclaration(SqlType sqlType, bool suppressSize, int?length)
{
string result = null;
if (typeNames == null)
{
typeNames = new NLite.Data.Schema.Script.Generator.SqlServerScriptGenerator().typeNames;
}
if (!suppressSize)
{
result = typeNames.Get(sqlType.DbType);
}
else if (sqlType.Length > 0 || sqlType.Precision > 0 || sqlType.Scale > 0)
{
result = typeNames.Get(sqlType.DbType, sqlType.Length, sqlType.Precision, sqlType.Scale);
}
else
{
result = typeNames.Get(sqlType.DbType);
}
if (result == null)
{
throw new InvalidCastException(string.Format(Res.CastTypeInvalid, sqlType));
}
return(result);
}
public void WriteComponent <T>(int maxCapacity)
{
string shortName = typeof(T).Name;
int repeatCount = 1;
while (_types.ContainsValue(shortName))
{
shortName = $"{typeof(T).Name}_{repeatCount++}";
}
_types.Add(typeof(T), shortName);
_writer.Write(nameof(EntryType.ComponentType));
_writer.WriteSpace();
_writer.Write(shortName);
_writer.WriteSpace();
_writer.WriteLine(TypeNames.Get(typeof(T)));
if (maxCapacity != _worldMaxCapacity && !typeof(T).GetTypeInfo().IsFlagType())
{
_writer.Write(nameof(EntryType.ComponentMaxCapacity));
_writer.WriteSpace();
_writer.Write(shortName);
_writer.WriteSpace();
_writer.Stream.WriteLine(maxCapacity);
}
}
void IComponentTypeReader.OnRead <T>(int maxCapacity)
{
string shortName = typeof(T).Name;
int repeatCount = 1;
while (_types.ContainsValue(shortName))
{
shortName = $"{typeof(T).Name}_{repeatCount++}";
}
_types.Add(typeof(T), shortName);
_writer.WriteLine($"{nameof(EntryType.ComponentType)} {shortName} {TypeNames.Get(typeof(T))}");
if (maxCapacity != _worldMaxCapacity && !typeof(T).GetTypeInfo().IsFlagType())
{
_writer.WriteLine($"{nameof(EntryType.ComponentMaxCapacity)} {shortName} {maxCapacity}");
}
}
/// <summary>
/// 得到对应的数据库类型
/// </summary>
/// <param name="sqlType"></param>
/// <returns></returns>
public string GetDbType(SqlType sqlType)
{
return(typeNames.Get(sqlType.DbType, sqlType.Length, sqlType.Precision, sqlType.Scale));
}