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[java] Added haxe.zip.Compress/Uncompress. Closes #2861

Cauê Waneck 10 years ago
parent
commit
0bfd32a3b6

+ 86 - 0
std/java/_std/haxe/zip/Compress.hx

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+/*
+ * 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 java.util.zip.Deflater;
+
+class Compress
+{
+	var deflater:Deflater;
+	var mode:Int;
+	var finish:Bool = false;
+
+	public function new( level : Int )
+	{
+		throw "Not implemented for this platform"; //FIXME: Add unit tests for Compress/Uncompress and check current implementation
+		this.deflater = new Deflater(level);
+		this.mode = Deflater.NO_FLUSH;
+	}
+
+	public function execute( src : haxe.io.Bytes, srcPos : Int, dst : haxe.io.Bytes, dstPos : Int ) : { done : Bool, read : Int, write : Int }
+	{
+		deflater.setInput(src.getData(), srcPos, src.length - srcPos);
+		if (finish)
+			deflater.finish();
+		finish = false;
+
+		var written = deflater.deflate(dst.getData(), dstPos, dst.length - dstPos);
+		var read = deflater.getTotalIn();
+		return { done: deflater.finished(), read: read, write: written };
+	}
+
+	public function setFlushMode( f : FlushMode )
+	{
+		this.mode = switch (f) {
+			case NO:
+				Deflater.NO_FLUSH;
+			case SYNC:
+				Deflater.SYNC_FLUSH;
+			case FULL:
+				Deflater.FULL_FLUSH;
+			case FINISH:
+				this.finish = true;
+				Deflater.FULL_FLUSH;
+			case BLOCK:
+				throw "Not Implemented";
+		}
+	}
+
+	public function close()
+	{
+		deflater.end();
+	}
+
+	public static function run( s : haxe.io.Bytes, level : Int ) : haxe.io.Bytes
+	{
+		var deflater = new java.util.zip.Deflater(level);
+		deflater.setInput(s.getData());
+		var outputStream = new java.io.ByteArrayOutputStream(s.length);
+		deflater.finish();
+		var buffer = haxe.io.Bytes.alloc(1024).getData();
+		while (!deflater.finished()) {
+			var count = deflater.deflate(buffer);
+			outputStream.write(buffer, 0, count);
+		}
+		outputStream.close();
+		return haxe.io.Bytes.ofData(outputStream.toByteArray());
+	}
+}

+ 58 - 0
std/java/_std/haxe/zip/Uncompress.hx

@@ -0,0 +1,58 @@
+/*
+ * 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;
+
+class Uncompress
+{
+	public function new( ?windowBits : Int ) {
+		throw "Not implemented for this platform";
+	}
+
+	public function execute( src : haxe.io.Bytes, srcPos : Int, dst : haxe.io.Bytes, dstPos : Int ) : { done : Bool, read : Int, write : Int } {
+		return null;
+	}
+
+	public function setFlushMode( f : FlushMode ) {
+	}
+
+	public function close() {
+	}
+
+	public static function run( src : haxe.io.Bytes, ?bufsize : Int ) : haxe.io.Bytes
+	{
+		var decompresser = new java.util.zip.Inflater();
+		var buf = haxe.io.Bytes.alloc(bufsize == null ? src.length : bufsize).getData();
+
+		var out = new java.io.ByteArrayOutputStream(src.length);
+		decompresser.setInput(src.getData(), 0, src.length);
+
+		while (!decompresser.finished())
+		{
+			var count = decompresser.inflate(buf);
+			out.write(buf, 0, count);
+		}
+		out.close();
+		return haxe.io.Bytes.ofData(out.toByteArray());
+	}
+
+}
+

+ 29 - 0
tests/unit/src/unit/issues/Issue2861.hx

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+package unit.issues;
+
+class Issue2861 extends Test
+{
+#if (flash || neko || cpp || java)
+	public function test()
+	{
+		var b = haxe.io.Bytes.alloc(2048);
+		for (i in 0...2048)
+			b.set(i,Std.random(255));
+		// compress
+		var comp = haxe.zip.Compress.run(b,9);
+		var unc = haxe.zip.Uncompress.run(comp);
+		eq(b.compare(unc), 0);
+		eq(b.length,unc.length);
+
+		if (b.compare(unc) != 0) // debug
+			trace(b.toHex());
+
+		// now check if it's compatible with the pure haxe implementation
+		var unc2 = haxe.zip.InflateImpl.run(new haxe.io.BytesInput(comp));
+		eq(b.compare(unc2), 0);
+
+		if (b.compare(unc2) != 0) // debug
+			trace(b.toHex());
+		eq(unc.compare(unc2), 0);
+	}
+#end
+}