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implement Node move

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This commit is contained in:
Hannes Janetzek 2016-11-24 14:52:08 +01:00
parent 7a52c16563
commit 52cc604c3f
3 changed files with 34 additions and 7 deletions
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19
include/yaml-cpp/node/impl.h
View File

@ -51,6 +51,14 @@ inline Node::Node(Zombie)
m_pMemory(nullptr),
m_pNode(NULL) {}
inline Node::Node(Node&& rhs)
: m_isValid(rhs.m_isValid),
m_pMemory(rhs.m_pMemory), // move ?
m_pNode(rhs.m_pNode) {
rhs.m_pNode = nullptr;
}
inline Node::Node(detail::node& node, detail::shared_memory_holder pMemory)
: m_isValid(true),
m_pMemory(pMemory),
@ -256,6 +264,17 @@ inline Node& Node::operator=(const Node& rhs) {
return *this;
}
inline Node& Node::operator=(Node&& rhs) {
if (!m_isValid || !rhs.m_isValid)
throw InvalidNode();
if (is(rhs))
return *this;
AssignNode(rhs);
return *this;
}
inline void Node::AssignData(Node&& rhs) {
if (!m_isValid || !rhs.m_isValid)
throw InvalidNode();

19
include/yaml-cpp/node/iterator.h
View File

@ -18,18 +18,23 @@
namespace YAML {
namespace detail {
struct iterator_value : public Node, std::pair<Node, Node> {
iterator_value() {}
iterator_value()
: Node(Node::ZombieNode),
std::pair<Node, Node>(Node(Node::ZombieNode), Node(Node::ZombieNode)) {}
explicit iterator_value(const Node& rhs)
: Node(rhs),
std::pair<Node, Node>(Node(Node::ZombieNode), Node(Node::ZombieNode)) {}
: Node(rhs),
std::pair<Node, Node>(Node(Node::ZombieNode), Node(Node::ZombieNode)) {}
explicit iterator_value(const Node& key, const Node& value)
: Node(Node::ZombieNode), std::pair<Node, Node>(key, value) {}
: Node(Node::ZombieNode), std::pair<Node, Node>(key, value) {}
explicit iterator_value(Node&& rhs)
: Node(std::move(rhs)),
std::pair<Node, Node>(Node(Node::ZombieNode), Node(Node::ZombieNode)) {}
: Node(std::move(rhs)),
std::pair<Node, Node>(Node(Node::ZombieNode), Node(Node::ZombieNode)) {}
explicit iterator_value(Node&& key, Node&& value)
: Node(Node::ZombieNode), std::pair<Node, Node>(std::move(key), std::move(value)) {}
: Node(Node::ZombieNode), std::pair<Node, Node>(std::move(key), std::move(value)) {}
};
}
}

3
include/yaml-cpp/node/node.h
View File

@ -47,6 +47,8 @@ class YAML_CPP_API Node {
explicit Node(const T& rhs);
explicit Node(const detail::iterator_value& rhs);
Node(const Node& rhs);
Node(Node&& rhs);
~Node();
YAML::Mark Mark() const;
@ -81,6 +83,7 @@ class YAML_CPP_API Node {
template <typename T>
Node& operator=(const T& rhs);
Node& operator=(const Node& rhs);
Node& operator=(Node&& rhs);
void reset(const Node& rhs = Node());
// size/iterator