Exemplo n.º 1
0
    static inline bool addAliasImpl(PathNode &node, std::string const &source,
                                    AliasPriority priority) {

        if (!aliasNeedsUpdate(node, source, priority)) {
            return false;
        }
        elements::AliasElement elt;
        elt.setSource(source);
        elt.priority() = priority;
        node.value() = elt;
        return true;
    }
Exemplo n.º 2
0
 /// @brief Determine if the node needs updating given that we want to add an
 /// alias there pointing to source with the given automatic status.
 static inline bool aliasNeedsUpdate(PathNode &node,
                                     std::string const &source,
                                     AliasPriority priority) {
     elements::AliasElement *elt =
         boost::get<elements::AliasElement>(&node.value());
     if (nullptr == elt) {
         /// Always replace non-aliases
         return true;
     }
     if (priority > elt->priority()) {
         /// We're a higher-priority (manual vs automatic for instance), so
         /// override
         return true;
     }
     if (priority == elt->priority() && source != elt->getSource()) {
         /// Same automatic status, different source: replace/update
         return true;
     }
     return false;
 }