public static List<string> ParseCollection(BufferedTextReader reader, int context, bool allowNull)
{
var cur = reader.Read();
if (cur == ',' || cur == ')')
return null;
var espaced = cur != '{';
if (espaced)
reader.Read(context);
var innerContext = context << 1;
cur = reader.Peek();
if (cur == '}')
{
if (espaced)
reader.Read(context + 2);
else
reader.Read(2);
return new List<string>(0);
}
var list = new List<string>();
var emptyCol = allowNull ? null : string.Empty;
do
{
cur = reader.Read();
if (cur == '"' || cur == '\\')
list.Add(ParseEscapedString(reader, innerContext, ref cur, '}'));
else
{
reader.InitBuffer((char)cur);
reader.FillUntil(',', '}');
cur = reader.Read();
if (reader.BufferMatches("NULL"))
list.Add(emptyCol);
else
list.Add(reader.BufferToString());
}
} while (cur == ',');
if (espaced)
reader.Read(context + 1);
else
reader.Read();
return list;
}
public static List <string> ParseCollection(BufferedTextReader reader, int context, bool allowNull)
{
var cur = reader.Read();
if (cur == ',' || cur == ')')
{
return(null);
}
var espaced = cur != '{';
if (espaced)
{
reader.Read(context);
}
cur = reader.Peek();
if (cur == '}')
{
if (espaced)
{
reader.Read(context + 2);
}
else
{
reader.Read(2);
}
return(new List <string>(0));
}
var innerContext = context << 1;
var list = new List <string>();
var emptyCol = allowNull ? null : string.Empty;
do
{
cur = reader.Read();
if (cur == '"' || cur == '\\')
{
list.Add(ParseEscapedString(reader, innerContext, ref cur, '}'));
}
else
{
reader.InitBuffer((char)cur);
reader.FillUntil(',', '}');
cur = reader.Read();
if (reader.BufferMatches("NULL"))
{
list.Add(emptyCol);
}
else
{
list.Add(reader.BufferToString());
}
}
} while (cur == ',');
if (espaced)
{
reader.Read(context + 1);
}
else
{
reader.Read();
}
return(list);
}
public static List <T?> ParseNullableCollection <T>(BufferedTextReader reader, int context, Func <BufferedTextReader, T> factory)
where T : struct
{
var cur = reader.Read();
if (cur == ',' || cur == ')')
{
return(null);
}
var espaced = cur != '{';
if (espaced)
{
reader.Read(context);
}
cur = reader.Peek();
if (cur == '}')
{
if (espaced)
{
reader.Read(context);
}
else
{
reader.Read(2);
}
return(new List <T?>(0));
}
var innerContext = context == 0 ? 1 : context << 1;
var list = new List <T?>();
do
{
cur = reader.Read();
if (cur == '"' || cur == '\\')
{
cur = reader.Read(innerContext);
reader.InitBuffer((char)cur);
reader.FillUntil('\\', '"');
list.Add(factory(reader));
cur = reader.Read(innerContext + 1);
}
else
{
reader.InitBuffer((char)cur);
reader.FillUntil(',', '}');
cur = reader.Read();
if (reader.BufferMatches("NULL"))
{
list.Add(null);
}
else
{
list.Add(factory(reader));
}
}
} while (cur == ',');
if (espaced)
{
reader.Read(context + 1);
}
else
{
reader.Read();
}
return(list);
}
