Add optional parameter separator to QPDFObjGen::unparse

Also, revert inlining of unparse and operator << from commit 4c6640c in
order to avoid exposing QUtil.

1 files changed, 2 insertions, 3 deletions

diff --git a/libqpdf/QPDFPageObjectHelper.cc b/libqpdf/QPDFPageObjectHelper.cc
index 6c38f098..16ab346f 100644
--- a/libqpdf/QPDFPageObjectHelper.cc
+++ b/libqpdf/QPDFPageObjectHelper.cc
@@ -33,9 +33,8 @@ void
 ContentProvider::provideStreamData(int, int, Pipeline* p)
 {
     Pl_Concatenate concat("concatenate", p);
-    std::string description = "contents from page object " +
-        QUtil::int_to_string(from_page.getObjectID()) + " " +
-        QUtil::int_to_string(from_page.getGeneration());
+    std::string description =
+        "contents from page object " + from_page.getObjGen().unparse(' ');
     std::string all_description;
     from_page.getKey("/Contents")
         .pipeContentStreams(&concat, description, all_description);