Add new method Objects::swap

m-holger
1 parent 83fc18af
Showing 4 changed files with 14 additions and 6 deletions
include/qpdf/QPDF.hh
libqpdf/QPDF.cc
libqpdf/QPDF_objects.cc
libqpdf/qpdf/QPDF_objects.hh
@@ -391,7 +391,7 @@ class QPDF
     void replaceObject(int objid, int generation, QPDFObjectHandle);
  
     // Swap two objects given by ID. Prior to qpdf 10.2.1, existing QPDFObjectHandle instances that
-    // reference them objects not notice the swap, but this was fixed in 10.2.1.
+    // reference the objects did not notice the swap, but this was fixed in 10.2.1.
     QPDF_DLL
     void swapObjects(QPDFObjGen const& og1, QPDFObjGen const& og2);
     QPDF_DLL
@@ -882,7 +882,13 @@ QPDF::copyStreamData(QPDFObjectHandle result, QPDFObjectHandle foreign)
 void
 QPDF::swapObjects(int objid1, int generation1, int objid2, int generation2)
 {
-    swapObjects(QPDFObjGen(objid1, generation1), QPDFObjGen(objid2, generation2));
+    m->objects.swap(QPDFObjGen(objid1, generation1), QPDFObjGen(objid2, generation2));
+}
+
+void
+QPDF::swapObjects(QPDFObjGen const& og1, QPDFObjGen const& og2)
+{
+    m->objects.swap(og1, og2);
 }
  
 unsigned long long
@@ -1779,12 +1779,12 @@ Objects::erase(QPDFObjGen og)
 }
  
 void
-QPDF::swapObjects(QPDFObjGen const& og1, QPDFObjGen const& og2)
+Objects::swap(QPDFObjGen og1, QPDFObjGen og2)
 {
     // Force objects to be read from the input source if needed, then swap them in the cache.
-    m->objects.resolve(og1);
-    m->objects.resolve(og2);
-    m->objects.obj_cache[og1].object->swapWith(m->objects.obj_cache[og2].object);
+    resolve(og1);
+    resolve(og2);
+    obj_cache[og1].object->swapWith(obj_cache[og2].object);
 }
  
 size_t
@@ -445,6 +445,8 @@ class QPDF::Objects
  
     void replace(QPDFObjGen og, QPDFObjectHandle oh);
  
+    void swap(QPDFObjGen og1, QPDFObjGen og2);
+
     std::map<QPDFObjGen, Entry> obj_cache;
  
     QPDFObjectHandle readObjectInStream(std::shared_ptr<InputSource>& input, int obj);