Bartłomiej Dach 7b1ff38df7 Implement line-buffered reader ... Add a line-buffered reader decorator operating on StreamReader instances. The decorator has two main operations - PeekLine(), which allows to see the next line in the stream without consuming it, ReadLine(), which consumes and returns the next line in the stream, and ReadToEnd() which reads all the remaining text in the stream (including the unconsumed peeked line). Peeking line-per-line uses an internal queue of lines that have been read ahead from the underlying stream. The addition of the line-buffered reader is a workaround solution to a problem with decoding. At current selecting a decoder works by irreversibly reading the first line from the stream and looking for a magic string that indicates the type of decoder to use. It might however be possible for a file to be valid in format, just missing a header. In such a case a lack of a line-buffered reader makes it impossible to reparse the content of that first line. Introducing it will however allow to peek the first line for magic first. - If magic is found in the first line, GetDecoder() will peek it and use it to return the correct Decoder instance. Note that in the case of JsonBeatmapDecoder the magic is the opening JSON object brace, and therefore must not be consumed. - If magic is not found, the fallback decoder will be able to consume it using ReadLine() in Decode(). This commit additionally contains basic unit tests for the reader. Suggested-by: Aergwyn <aergwyn@t-online.de>		2019-09-15 01:26:15 +02:00
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ImportBeatmapTest.cs	Remove existing argument for ItemAdded event	2019-06-26 11:40:41 +09:00
LineBufferedReaderTest.cs	Implement line-buffered reader	2019-09-15 01:26:15 +02:00
OszArchiveReaderTest.cs	Apply more missed cases	2019-04-01 12:44:46 +09:00