Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/xbmc/filesystem/ZipFile.h b/xbmc/filesystem/ZipFile.h
new file mode 100644
index 0000000..1b09e5c
--- /dev/null
+++ b/xbmc/filesystem/ZipFile.h
@@ -0,0 +1,61 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "File.h"
+#include "IFile.h"
+#include "ZipManager.h"
+
+#include <zlib.h>
+
+namespace XFILE
+{
+  class CZipFile : public IFile
+  {
+  public:
+    CZipFile();
+    ~CZipFile() override;
+
+    int64_t GetPosition() override;
+    int64_t GetLength() override;
+    bool Open(const CURL& url) override;
+    bool Exists(const CURL& url) override;
+    int Stat(struct __stat64* buffer) override;
+    int Stat(const CURL& url, struct __stat64* buffer) override;
+    ssize_t Read(void* lpBuf, size_t uiBufSize) override;
+    //virtual bool ReadString(char *szLine, int iLineLength);
+    int64_t Seek(int64_t iFilePosition, int iWhence = SEEK_SET) override;
+    void Close() override;
+
+    //NOTE: gzip doesn't work. use DecompressGzip() instead
+    int UnpackFromMemory(std::string& strDest, const std::string& strInput, bool isGZ=false);
+
+    /*! Decompress gzip encoded buffer in-memory */
+    static bool DecompressGzip(const std::string& in, std::string& out);
+
+  private:
+    bool InitDecompress();
+    bool FillBuffer();
+    void DestroyBuffer(void* lpBuffer, int iBufSize);
+    CFile mFile;
+    SZipEntry mZipItem;
+    int64_t m_iFilePos = 0; // position in _uncompressed_ data read
+    int64_t m_iZipFilePos = 0; // position in _compressed_ data
+    int m_iAvailBuffer = 0;
+    z_stream m_ZStream;
+    char m_szBuffer[65535];     // 64k buffer for compressed data
+    char* m_szStringBuffer;
+    char* m_szStartOfStringBuffer; // never allocated!
+    size_t m_iDataInStringBuffer;
+    int m_iRead;
+    bool m_bFlush = false;
+    bool m_bCached;
+  };
+}
+