Add QPDFObjectHandle::operator bool

m-holger · m-holger
1 parent bcf56e53
Showing 2 changed files with 20 additions and 0 deletions
include/qpdf/QPDFObjectHandle.hh
include/qpdf/QPDFObjectHandle_future.hh
@@ -295,6 +295,11 @@ class QPDFObjectHandle
     QPDF_DLL
     QPDFObjectHandle& operator=(QPDFObjectHandle const&) = default;
  
+    // Return true if the QPDFObjectHandle is initialized. This allows object handles to be used in
+    // if statements with initializer.
+    QPDF_DLL
+    explicit inline operator bool() const noexcept;
+
     QPDF_DLL
     inline bool isInitialized() const;
  
@@ -1634,5 +1639,10 @@ QPDFObjectHandle::isInitialized() const
     return obj != nullptr;
 }
  
+inline QPDFObjectHandle::operator bool() const noexcept
+{
+    return static_cast<bool>(obj);
+}
+
 #endif // QPDF_FUTURE
 #endif // QPDFOBJECTHANDLE_HH
@@ -295,6 +295,11 @@ class QPDFObjectHandle
     QPDF_DLL
     QPDFObjectHandle& operator=(QPDFObjectHandle&&) = default;
  
+    // Return true if the QPDFObjectHandle is initialized. This allows object handles to be used in
+    // if statements with initializer.
+    QPDF_DLL
+    explicit inline operator bool() const noexcept;
+
     QPDF_DLL
     inline bool isInitialized() const noexcept;
  
@@ -1634,4 +1639,9 @@ QPDFObjectHandle::isInitialized() const noexcept
     return obj != nullptr;
 }
  
+inline QPDFObjectHandle::operator bool() const noexcept
+{
+    return static_cast<bool>(obj);
+}
+
 #endif // QPDFOBJECTHANDLE_FUTURE_HH