Add concept of reserved objects

QPDFObjectHandle::{new,is,assert}Reserved, QPDF::replaceReserved
provide a mechanism to add objects to a PDF file when there are
circular references.  This is a prerequisite to copying objects from
one PDF to another.

1 files changed, 13 insertions, 0 deletions

diff --git a/libqpdf/qpdf/QPDF_Reserved.hh b/libqpdf/qpdf/QPDF_Reserved.hh
new file mode 100644
index 00000000..b149f776
--- /dev/null
+++ b/libqpdf/qpdf/QPDF_Reserved.hh
@@ -0,0 +1,13 @@
+#ifndef __QPDF_RESERVED_HH__
+#define __QPDF_RESERVED_HH__
+
+#include <qpdf/QPDFObject.hh>
+
+class QPDF_Reserved: public QPDFObject
+{
+  public:
+    virtual ~QPDF_Reserved();
+    virtual std::string unparse();
+};
+
+#endif // __QPDF_RESERVED_HH__