allow concatenating of Errors

strukturag · Nov 16, 2024 · 4ddf749 · 4ddf749
1 parent e785995
commit 4ddf749
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diff --git a/libheif/error.cc b/libheif/error.cc
@@ -29,6 +29,10 @@ const char* cUnknownError = "Unknown error";
 
 const Error Error::Ok(heif_error_Ok);
 
+const Error Error::InternalError{heif_error_Unsupported_feature, // TODO: use better value
+                                 heif_suberror_Unspecified,
+                                 "Internal error"};
+
 
 Error::Error() = default;
 

diff --git a/libheif/error.h b/libheif/error.h
@@ -79,12 +79,23 @@ class Error
 
   static const Error Ok;
 
+  static const Error InternalError;
+
   static const char kSuccess[];
 
   bool operator==(const Error& other) const { return error_code == other.error_code; }
 
   bool operator!=(const Error& other) const { return !(*this == other); }
 
+  Error operator||(const Error& other) const {
+    if (error_code != heif_error_Ok) {
+      return *this;
+    }
+    else {
+      return other;
+    }
+  }
+
   operator bool() const { return error_code != heif_error_Ok; }
 
   static const char* get_error_string(heif_error_code err);