Re-introduce QPDFObject.hh as deprecated

* Just removing a header file would cause build errors with no hint as
  to what happened. This way, people get a warning rather than error
  for the life of qpdf 11, and the warning tells them what to do.

* This avoids build surprises resulting from having two versions of
  QPDF headers installed at once. If you were building code out of a
  checkout of qpdf but had an older version installed on your system,
  if your code included <qpdf/QPDFObject.hh>, everything would work,
  but then your code would break without QPDFObject.hh later.

1 files changed, 7 insertions, 0 deletions

diff --git a/qpdf/test_driver.cc b/qpdf/test_driver.cc
index ea4ac73a..16b65d8d 100644
--- a/qpdf/test_driver.cc
+++ b/qpdf/test_driver.cc
@@ -35,6 +35,9 @@
 #include <stdlib.h>
 #include <string.h>
 
+#define QPDF_OBJECT_NOWARN
+#include <qpdf/QPDFObject.hh>
+
 static char const* whoami = 0;
 
 void
@@ -3298,6 +3301,10 @@ runtest(int n, char const* filename1, char const* arg2)
         QPDFObjectHandle uninitialized;
         assert(uninitialized.getTypeCode() == ::ot_uninitialized);
         assert(strcmp(uninitialized.getTypeName(), "uninitialized") == 0);
+
+        // ABI: until QPDF 12, spot check deprecated constants
+        assert(QPDFObject::ot_unresolved == ::ot_unresolved);
+        assert(QPDFObject::ot_uninitialized == ::ot_uninitialized);
     }
 
     QPDF pdf;