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namespace System.IO.Compression {
// Do not rearrange the enum values.
internal enum InflaterState {
ReadingHeader = 0, // Only applies to GZIP
ReadingBFinal = 2, // About to read bfinal bit
ReadingBType = 3, // About to read blockType bits
ReadingNumLitCodes = 4, // About to read # literal codes
ReadingNumDistCodes = 5, // About to read # dist codes
ReadingNumCodeLengthCodes = 6, // About to read # code length codes
ReadingCodeLengthCodes = 7, // In the middle of reading the code length codes
ReadingTreeCodesBefore = 8, // In the middle of reading tree codes (loop top)
ReadingTreeCodesAfter = 9, // In the middle of reading tree codes (extension; code > 15)
DecodeTop = 10, // About to decode a literal (char/match) in a compressed block
HaveInitialLength = 11, // Decoding a match, have the literal code (base length)
HaveFullLength = 12, // Ditto, now have the full match length (incl. extra length bits)
HaveDistCode = 13, // Ditto, now have the distance code also, need extra dist bits
/* uncompressed blocks */
UncompressedAligning = 15,
UncompressedByte1 = 16,
UncompressedByte2 = 17,
UncompressedByte3 = 18,
UncompressedByte4 = 19,
DecodingUncompressed = 20,
// These three apply only to GZIP
StartReadingFooter = 21, // (Initialisation for reading footer)
ReadingFooter = 22,
VerifyingFooter = 23,
Done = 24 // Finished
}
}
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