remove stream_data_handler; it wouldn't work as designed. replacement data implemented but not tested

git-svn-id: svn+q:///qpdf/trunk@988 71b93d88-0707-0410-a8cf-f5a4172ac649

1 files changed, 0 insertions, 46 deletions

diff --git a/include/qpdf/QPDFObjectHandle.hh b/include/qpdf/QPDFObjectHandle.hh
index 83e3592f..a7b8b991 100644
--- a/include/qpdf/QPDFObjectHandle.hh
+++ b/include/qpdf/QPDFObjectHandle.hh
@@ -197,52 +197,6 @@ class QPDFObjectHandle
     void replaceStreamData(PointerHolder<Buffer> data,
 			   QPDFObjectHandle filter,
 			   QPDFObjectHandle decode_parms);
-    class StreamDataHandler
-    {
-      public:
-	QPDF_DLL
-	virtual ~StreamDataHandler()
-	{
-	}
-
-	// See replaceStreamData(StreamDataHandler) below for a
-	// description of how to override this function.
-	virtual void
-	replaceStreamData(Buffer const& in_data,
-			  std::string const& in_filter,
-			  std::string const& in_decode_parms,
-			  bool filtered,
-			  Buffer& out_data,
-			  std::string& out_filter,
-			  std::string& out_decode_parms,
-			  bool& persist) = 0;
-    };
-    // Provide a hook for doing dynamic replacement of the stream's
-    // data.  When the stream's data is accessed either with
-    // pipeStreamData or with getStreamData, if the stream doesn't
-    // already have replacement data, an attempt is first made to
-    // filter the stream's original data.  If the attempt is
-    // successful, the stream's filtered original data is passed to
-    // the handler as in_data, and filtered is true.  If the original
-    // data cannot be processed, then in_data is the original raw data
-    // (after any decryption filters have been applied) and filtered
-    // is false.  If the original input data has no filters applied,
-    // the filtered is true.  This way, if filtered is true, the
-    // caller knows that in_data contains the fully filtered data.
-    // The handler then provides replacement data, /Filter, and
-    // /DecodeParms (handled is in the simpler form of
-    // replaceStreamData above).  If the persist argument is set to
-    // true, then the replacement data is stored in the stream object
-    // where it will be used on subsequent attempts to retrieve the
-    // data (rather than calling the handler).  If persist is set to
-    // false, then the data will be used that one time and not saved.
-    // In that case, the handler will be invoked again if the stream
-    // data is accessed another time.  Writing a handler that sets
-    // persist to true essentially allows delaying the computation of
-    // the stream data, while setting it to false reduces the amount
-    // of memory that is used.
-    QPDF_DLL
-    void replaceStreamData(PointerHolder<StreamDataHandler> dh);
 
     // return 0 for direct objects
     QPDF_DLL