Track whether certain page modifying methods have been called

We need to know whether pushInheritedAttributesToPage or getAllPages
have been called when generating JSON output. When reading the JSON
back in, we have to call the same methods so that object numbers will
line up properly.

1 files changed, 7 insertions, 0 deletions

diff --git a/include/qpdf/QPDF.hh b/include/qpdf/QPDF.hh
index 52bc3579..f0c9f6b4 100644
--- a/include/qpdf/QPDF.hh
+++ b/include/qpdf/QPDF.hh
@@ -709,6 +709,11 @@ class QPDF
     QPDF_DLL
     std::vector<QPDFObjectHandle> const& getAllPages();
 
+    QPDF_DLL
+    bool everCalledGetAllPages() const;
+    QPDF_DLL
+    bool everPushedInheritedAttributesToPages() const;
+
     // These methods, given a page object or its object/generation
     // number, returns the 0-based index into the array returned by
     // getAllPages() for that page. An exception is thrown if the page
@@ -1690,6 +1695,8 @@ class QPDF
         std::vector<QPDFObjectHandle> all_pages;
         std::map<QPDFObjGen, int> pageobj_to_pages_pos;
         bool pushed_inherited_attributes_to_pages;
+        bool ever_pushed_inherited_attributes_to_pages;
+        bool ever_called_get_all_pages;
         std::vector<QPDFExc> warnings;
         std::map<unsigned long long, ObjCopier> object_copiers;
         std::shared_ptr<QPDFObjectHandle::StreamDataProvider> copied_streams;