kiss-lang/lime
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #1523 from Apprentice-Alchemist/patch-1

Browse Source 
Remove custom zip reader.
This commit is contained in:
player-03
2022-03-13 23:20:40 -04:00
committed by GitHub
parent fbefc24a22 68135c0d33
commit ac88927b1a
1 changed files with 0 additions and 215 deletions
Download Patch File Download Diff File Expand all files Collapse all files

215
src/haxe/zip/Reader.hx
View File

@@ -1,215 +0,0 @@
/*
* Copyright (C)2005-2012 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package haxe.zip;
import haxe.zip.Entry;
// see http://www.pkware.com/documents/casestudies/APPNOTE.TXT
class Reader
{
var i:haxe.io.Input;
public function new(i)
{
this.i = i;
}
function readZipDate()
{
var t = i.readUInt16();
var hour = (t >> 11) & 31;
var min = (t >> 5) & 63;
var sec = t & 31;
var d = i.readUInt16();
var year = d >> 9;
var month = (d >> 5) & 15;
var day = d & 31;
return new Date(year + 1980, month - 1, day, hour, min, sec << 1);
}
function readExtraFields(length)
{
var fields = new List();
while (length > 0)
{
if (length < 4) throw "Invalid extra fields data";
var tag = i.readUInt16();
var len = i.readUInt16();
if (length < len) throw "Invalid extra fields data";
switch (tag)
{
case 0x7075:
var version = i.readByte();
if (version != 1)
{
var data = new haxe.io.BytesBuffer();
data.addByte(version);
data.add(i.read(len - 1));
fields.add(FUnknown(tag, data.getBytes()));
}
else
{
var crc = i.readInt32();
var name = i.read(len - 5).toString();
fields.add(FInfoZipUnicodePath(name, crc));
}
default:
fields.add(FUnknown(tag, i.read(len)));
}
length -= 4 + len;
}
return fields;
}
public function readEntryHeader():Entry
{
var i = this.i;
var h = i.readInt32();
if (h == 0x02014B50 || h == 0x06054B50) return null;
if (h != 0x04034B50) throw "Invalid Zip Data";
var version = i.readUInt16();
var flags = i.readUInt16();
var utf8 = flags & 0x800 != 0;
// if( (flags & 0xF7F7) != 0 )
// throw "Unsupported flags "+flags;
var compression = i.readUInt16();
var compressed = (compression != 0);
if (compressed && compression != 8) throw "Unsupported compression " + compression;
var mtime = readZipDate();
var crc32 = i.readInt32();
var csize = i.readInt32();
var usize = i.readInt32();
var fnamelen = i.readInt16();
var elen = i.readInt16();
var fname = i.readString(fnamelen);
var fields = readExtraFields(elen);
if (utf8) fields.push(FUtf8);
var data = null;
if ((flags & 8) != 0) csize = -1;
return {
fileName: fname,
fileSize: usize,
fileTime: mtime,
compressed: compressed,
dataSize: csize,
data: data,
crc32: crc32,
extraFields: fields,
};
}
public function read():List<Entry>
{
var l = new List();
var buf = null;
var tmp = null;
while (true)
{
var e = readEntryHeader();
if (e == null) break;
if (e.dataSize < 0)
{
#if neko
// enter progressive mode : we use a different input which has
// a temporary buffer, this is necessary since we have to uncompress
// progressively, and after that we might have pending readed data
// that needs to be processed
var bufSize = 65536;
if (buf == null)
{
buf = new haxe.io.BufferInput(i, haxe.io.Bytes.alloc(bufSize));
tmp = haxe.io.Bytes.alloc(bufSize);
i = buf;
}
var out = new haxe.io.BytesBuffer();
var z = new neko.zip.Uncompress(-15);
z.setFlushMode(neko.zip.Flush.SYNC);
while (true)
{
if (buf.available == 0) buf.refill();
var p = bufSize - buf.available;
if (p != buf.pos)
{
// because of lack of "srcLen" in zip api, we need to always be stuck to the buffer end
buf.buf.blit(p, buf.buf, buf.pos, buf.available);
buf.pos = p;
}
var r = z.execute(buf.buf, buf.pos, tmp, 0);
out.addBytes(tmp, 0, r.write);
buf.pos += r.read;
buf.available -= r.read;
if (r.done) break;
}
e.data = out.getBytes();
#else
var bufSize = 65536;
if (tmp == null) tmp = haxe.io.Bytes.alloc(bufSize);
var out = new haxe.io.BytesBuffer();
var z = new InflateImpl(i, false, false);
while (true)
{
var n = z.readBytes(tmp, 0, bufSize);
out.addBytes(tmp, 0, n);
if (n < bufSize) break;
}
e.data = out.getBytes();
#end
e.crc32 = i.readInt32();
if (e.crc32 == 0x08074b50) e.crc32 = i.readInt32();
e.dataSize = i.readInt32();
e.fileSize = i.readInt32();
// set data to uncompressed
e.dataSize = e.fileSize;
e.compressed = false;
}
else
e.data = i.read(e.dataSize);
l.add(e);
}
return l;
}
public static function readZip(i:haxe.io.Input)
{
var r = new Reader(i);
return r.read();
}
public static function unzip(f:Entry)
{
if (!f.compressed) return f.data;
#if neko
var c = new neko.zip.Uncompress(-15);
var s = haxe.io.Bytes.alloc(f.fileSize);
var r = c.execute(f.data, 0, s, 0);
c.close();
if (!r.done || r.read != f.data.length || r.write != f.fileSize) throw "Invalid compressed data for " + f.fileName;
f.compressed = false;
f.dataSize = f.fileSize;
f.data = s;
#else
throw "No uncompress support";
#end
return f.data;
}
}