From e8d346ce172a28e362f59b0c5b8837793f5443cc Mon Sep 17 00:00:00 2001
From: Rui Chen <rui@chenrui.dev>
Date: Sun, 9 Mar 2025 17:22:18 -0400
Subject: [PATCH] fix: patch to build against qpdf 12.0.0

Signed-off-by: Rui Chen <rui@chenrui.dev>
---
 pdf-tools.cc | 3 ++-
 pdf.cc       | 6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/pdf-tools.cc b/pdf-tools.cc
index 0d74ca3..23d5ee4 100644
--- a/pdf-tools.cc
+++ b/pdf-tools.cc
@@ -7,6 +7,7 @@
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
+#include <memory>
 
 #include <iconv.h>
 
@@ -229,7 +230,7 @@ QPDFObjectHandle page_to_xobject(QPDF *out, QPDFObjectHandle page)
 	}
 
 	vector<QPDFObjectHandle> contents = page.getPageContents();
-	auto ph = PointerHolder<QPDFObjectHandle::StreamDataProvider>(new CombineFromContents_Provider(contents));
+	auto ph = std::shared_ptr<QPDFObjectHandle::StreamDataProvider>(new CombineFromContents_Provider(contents));
 	xo_stream.replaceStreamData(ph, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
 	return xo_stream;
 }
diff --git a/pdf.cc b/pdf.cc
index 9f8dc12..41a158b 100644
--- a/pdf.cc
+++ b/pdf.cc
@@ -185,7 +185,11 @@ static void make_info_dict()
     {
       const string to_copy[] = { "/Title", "/Author", "/Subject", "/Keywords", "/Creator", "/CreationDate" };
       for (string key: to_copy)
-	info.replaceOrRemoveKey(key, orig_info.getKey(key));
+        {
+          QPDFObjectHandle value = orig_info.getKey(key);
+          if (!value.isNull())
+            info.replaceKey(key, value);
+        }
     }
 }
 
-- 
2.47.3