Move package kit Zlib* classes to support kit

Also move to B* namespace and no longer expose the zlib dependency in the headers.
2014-06-30 21:55:41 +02:00
parent b773d89eba
commit 6a89a36aa0
39 changed files with 563 additions and 634 deletions
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _ZLIB_COMPRESSION_BASE_H_
+#define _ZLIB_COMPRESSION_BASE_H_
+
+
+#include <SupportDefs.h>
+
+
+class BDataIO;
+
+
+class BZlibCompressionBase {
+public:
+								BZlibCompressionBase(BDataIO* output);
+								~BZlibCompressionBase();
+
+	static	status_t			TranslateZlibError(int error);
+
+protected:
+			struct ZStream;
+
+protected:
+			status_t			CreateStream();
+			void				DeleteStream();
+
+protected:
+			BDataIO*			fOutput;
+			ZStream*			fStream;
+};
+
+
+#endif	// _ZLIB_COMPRESSION_BASE_H_
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _ZLIB_COMPRESSOR_H_
+#define _ZLIB_COMPRESSOR_H_
+
+
+#include <ZlibCompressionBase.h>
+
+
+class BDataIO;
+
+
+// compression level
+enum {
+	B_ZLIB_COMPRESSION_NONE		= 0,
+	B_ZLIB_COMPRESSION_FASTEST	= 1,
+	B_ZLIB_COMPRESSION_BEST		= 9,
+	B_ZLIB_COMPRESSION_DEFAULT	= -1,
+};
+
+
+class BZlibCompressor : public BZlibCompressionBase {
+public:
+								BZlibCompressor(BDataIO* output);
+								~BZlibCompressor();
+
+			status_t			Init(int compressionLevel
+									= B_ZLIB_COMPRESSION_BEST);
+			status_t			CompressNext(const void* input,
+									size_t inputSize);
+			status_t			Finish();
+
+	static	status_t			CompressSingleBuffer(const void* input,
+									size_t inputSize, void* output,
+									size_t outputSize, size_t& _compressedSize,
+									int compressionLevel
+										= B_ZLIB_COMPRESSION_BEST);
+};
+
+
+#endif	// _ZLIB_COMPRESSOR_H_
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2009-2014, Ingo Weinhold, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _ZLIB_DECOMPRESSOR_H_
+#define _ZLIB_DECOMPRESSOR_H_
+
+
+#include <ZlibCompressionBase.h>
+
+
+class BZlibDecompressor : public BZlibCompressionBase {
+public:
+								BZlibDecompressor(BDataIO* output);
+								~BZlibDecompressor();
+
+			status_t			Init();
+			status_t			DecompressNext(const void* input,
+									size_t inputSize);
+			status_t			Finish();
+
+	static	status_t			DecompressSingleBuffer(const void* input,
+									size_t inputSize, void* output,
+									size_t outputSize,
+									size_t& _uncompressedSize);
+
+private:
+			bool				fFinished;
+};
+
+
+#endif	// _ZLIB_DECOMPRESSOR_H_