From 2a2f7f1bba3dd87bd17f8b819ddeb1a24bb742dd Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sun, 8 May 2022 12:37:18 -0400
Subject: Add maxobjectid to JSON

---
 libqpdf/QPDFJob.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'libqpdf')

diff --git a/libqpdf/QPDFJob.cc b/libqpdf/QPDFJob.cc
index 621e6933..55bebdcb 100644
--- a/libqpdf/QPDFJob.cc
+++ b/libqpdf/QPDFJob.cc
@@ -1188,6 +1188,12 @@ QPDFJob::doJSONQpdf(Pipeline* p, bool& first, QPDF& pdf)
         p, first_qpdf, "jsonversion", JSON::makeInt(this->m->json_version), 1);
     JSON::writeDictionaryItem(
         p, first_qpdf, "pdfversion", JSON::makeString(pdf.getPDFVersion()), 1);
+    JSON::writeDictionaryItem(
+        p,
+        first_qpdf,
+        "maxobjectid",
+        JSON::makeInt(QIntC::to_longlong(pdf.getObjectCount())),
+        1);
     JSON::writeDictionaryKey(p, first_qpdf, "objects", 1);
     bool first_object = true;
     JSON::writeDictionaryOpen(p, first_object, 2);
@@ -1613,6 +1619,7 @@ QPDFJob::json_schema(int json_version, std::set<std::string>* keys)
             schema.addDictionaryMember("qpdf", JSON::parse(R"({
   "jsonversion": "qpdf json output version",
   "pdfversion": "PDF version from PDF header",
+  "maxobjectid": "Highest object ID; needed for adding new objects",
   "objects": {
     "<obj:n n R|trailer>": "json representation of object"
   }
-- 
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