Rebasing the Inflater support on jzlib which, unlike GNU ClassPath, has correct implementation of Huffman code. Making the implementation more easily testable by turning Inflater and ZipInputStream into pure delegates. Current implementation is going to need proper long support.
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26 package org.apidesign.bck2brwsr.emul.zip;
29 * This class defines the constants that are used by the classes
30 * which manipulate Zip64 files.
33 public class ZipConstants64 {
38 static final long ZIP64_ENDSIG = 0x06064b50L; // "PK\006\006"
39 static final long ZIP64_LOCSIG = 0x07064b50L; // "PK\006\007"
40 static final int ZIP64_ENDHDR = 56; // ZIP64 end header size
41 static final int ZIP64_LOCHDR = 20; // ZIP64 end loc header size
42 static final int ZIP64_EXTHDR = 24; // EXT header size
43 static final int ZIP64_EXTID = 0x0001; // Extra field Zip64 header ID
45 static final int ZIP64_MAGICCOUNT = 0xFFFF;
46 static final long ZIP64_MAGICVAL = 0xFFFFFFFFL;
49 * Zip64 End of central directory (END) header field offsets
51 static final int ZIP64_ENDLEN = 4; // size of zip64 end of central dir
52 static final int ZIP64_ENDVEM = 12; // version made by
53 static final int ZIP64_ENDVER = 14; // version needed to extract
54 static final int ZIP64_ENDNMD = 16; // number of this disk
55 static final int ZIP64_ENDDSK = 20; // disk number of start
56 static final int ZIP64_ENDTOD = 24; // total number of entries on this disk
57 static final int ZIP64_ENDTOT = 32; // total number of entries
58 static final int ZIP64_ENDSIZ = 40; // central directory size in bytes
59 static final int ZIP64_ENDOFF = 48; // offset of first CEN header
60 static final int ZIP64_ENDEXT = 56; // zip64 extensible data sector
63 * Zip64 End of central directory locator field offsets
65 static final int ZIP64_LOCDSK = 4; // disk number start
66 static final int ZIP64_LOCOFF = 8; // offset of zip64 end
67 static final int ZIP64_LOCTOT = 16; // total number of disks
70 * Zip64 Extra local (EXT) header field offsets
72 static final int ZIP64_EXTCRC = 4; // uncompressed file crc-32 value
73 static final int ZIP64_EXTSIZ = 8; // compressed size, 8-byte
74 static final int ZIP64_EXTLEN = 16; // uncompressed size, 8-byte
77 * Language encoding flag EFS
79 static final int EFS = 0x800; // If this bit is set the filename and
80 // comment fields for this file must be
81 // encoded using UTF-8.
83 private ZipConstants64() {}