Refactor QPDFPageObjectHelper::removeUnreferencedResources()

Refactor removeUnreferencedResources to prepare for filtering form
XObjects.

1 files changed, 10 insertions, 0 deletions

diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
index 3dacfb8e..43337aa0 100644
--- a/libqpdf/QPDFObjectHandle.cc
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -1630,6 +1630,16 @@ QPDFObjectHandle::filterPageContents(TokenFilter* filter, Pipeline* next)
 }
 
 void
+QPDFObjectHandle::filterAsContents(TokenFilter* filter, Pipeline* next)
+{
+    std::string description = "token filter for object " +
+        QUtil::int_to_string(this->m->objid) + " " +
+        QUtil::int_to_string(this->m->generation);
+    Pl_QPDFTokenizer token_pipeline(description.c_str(), filter, next);
+    this->pipeStreamData(&token_pipeline, 0, qpdf_dl_specialized);
+}
+
+void
 QPDFObjectHandle::parseContentStream(QPDFObjectHandle stream_or_array,
                                      ParserCallbacks* callbacks)
 {