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Diffstat (limited to 'source/OSSupport/GZipFile.h')
| -rw-r--r-- | source/OSSupport/GZipFile.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/source/OSSupport/GZipFile.h b/source/OSSupport/GZipFile.h new file mode 100644 index 000000000..bb8a88ec8 --- /dev/null +++ b/source/OSSupport/GZipFile.h @@ -0,0 +1,49 @@ +
+// GZipFile.h
+
+// Declares the cGZipFile class representing a RAII wrapper over zlib's GZip file routines
+
+
+
+
+
+#pragma once
+
+#include "zlib.h"
+
+
+
+
+
+class cGZipFile
+{
+public:
+ enum eMode
+ {
+ fmRead, // Read-only. If the file doesn't exist, object will not be valid
+ fmWrite, // Write-only. If the file already exists, it will be overwritten
+ } ;
+
+ cGZipFile(void);
+ ~cGZipFile();
+
+ /// Opens the file. Returns true if successful. Fails if a file has already been opened through this object.
+ bool Open(const AString & a_FileName, eMode a_Mode);
+
+ /// Closes the file, flushing all buffers. This object may be then reused for a different file and / or mode
+ void Close(void);
+
+ /// Reads the rest of the file and decompresses it into a_Contents. Returns the number of decompressed bytes, <0 for error
+ int ReadRestOfFile(AString & a_Contents);
+
+ /// Writes a_Contents into file, compressing it along the way. Returns the number of decompressed bytes, <0 for error. Multiple writes are supported.
+ int Write(AString & a_Contents);
+
+protected:
+ gzFile m_File;
+} ;
+
+
+
+
+
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