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_Reserved.cc b/libqpdf/QPDF_Reserved.cc
new file mode 100644
index 00000000..368db3b4
--- /dev/null
+++ b/libqpdf/QPDF_Reserved.cc
@@ -0,0 +1,13 @@
+#include <qpdf/QPDF_Reserved.hh>
+#include <stdexcept>
+
+QPDF_Reserved::~QPDF_Reserved()
+{
+}
+
+std::string
+QPDF_Reserved::unparse()
+{
+    throw std::logic_error("attempt to unparse QPDF_Reserved");
+    return "";
+}