Refactor QPDFObject creation and cloning

Move responsibility for creating shared pointers to objects and cloning from QPDFObjectHandle to QPDFObject.

1 files changed, 19 insertions, 0 deletions

diff --git a/libqpdf/QPDF_Stream.cc b/libqpdf/QPDF_Stream.cc
index edb4a739..c4c69659 100644
--- a/libqpdf/QPDF_Stream.cc
+++ b/libqpdf/QPDF_Stream.cc
@@ -134,6 +134,25 @@ QPDF_Stream::QPDF_Stream(
             QUtil::int_to_string(this->generation));
 }
 
+std::shared_ptr<QPDFObject>
+QPDF_Stream::create(
+    QPDF* qpdf,
+    int objid,
+    int generation,
+    QPDFObjectHandle stream_dict,
+    qpdf_offset_t offset,
+    size_t length)
+{
+    return do_create(
+        new QPDF_Stream(qpdf, objid, generation, stream_dict, offset,length));
+}
+
+std::shared_ptr<QPDFObject>
+QPDF_Stream::shallowCopy()
+{
+    throw std::logic_error("stream objects cannot be cloned");
+}
+
 void
 QPDF_Stream::registerStreamFilter(
     std::string const& filter_name,