tdf#158556 use more comphelper::ByteReader

which avoids a ton of temporary uno::Sequence being created

Change-Id: I237bb69395f692bb0272ca0daec05b81af828e01
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171968
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins

1 files changed, 22 insertions, 0 deletions

diff --git a/include/package/Inflater.hxx b/include/package/Inflater.hxx
index e0d44d21d6f6..d59d220acfc4 100644
--- a/include/package/Inflater.hxx
+++ b/include/package/Inflater.hxx
@@ -51,6 +51,28 @@ public:
     sal_Int32 getLastInflateError() const { return nLastInflateError; }
 };
 
+class UNLESS_MERGELIBS(DLLPUBLIC_PACKAGE) InflaterBytes final
+{
+    typedef struct z_stream_s z_stream;
+
+    bool                    bFinished, bNeedDict;
+    sal_Int32               nOffset, nLength, nLastInflateError;
+    std::unique_ptr<z_stream>  pStream;
+    const sal_Int8*  sInBuffer;
+    sal_Int32   doInflateBytes (sal_Int8* pOutBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength);
+
+public:
+    InflaterBytes(bool bNoWrap);
+    ~InflaterBytes();
+    void setInput( const sal_Int8* pBuffer, sal_Int32 nLen );
+    bool needsDictionary() const { return bNeedDict; }
+    bool finished() const { return bFinished; }
+    sal_Int32 doInflateSegment( sal_Int8* pOutBuffer, sal_Int32 nBufLen, sal_Int32 nNewOffset, sal_Int32 nNewLength );
+    void end(  );
+
+    sal_Int32 getLastInflateError() const { return nLastInflateError; }
+};
+
 }
 
 #endif