remove Node::m_isValid member

a Node is valid when its shared_memory_holder is not null
This commit is contained in:
Hannes Janetzek 2016-11-24 11:10:58 +01:00
parent 52cc604c3f
commit 405d9784b5
2 changed files with 46 additions and 55 deletions

View File

@ -16,58 +16,48 @@
namespace YAML {
inline Node::Node()
: m_isValid(true),
//m_pMemory(nullptr),
m_pMemory(new detail::memory_holder),
: m_pMemory(new detail::memory_holder),
m_pNode(NULL) {}
inline Node::Node(NodeType::value type)
: m_isValid(true),
m_pMemory(new detail::memory_holder),
: m_pMemory(new detail::memory_holder),
m_pNode(&(m_pMemory->create_node())) {
m_pNode->set_type(type);
}
template <typename T>
inline Node::Node(const T& rhs)
: m_isValid(true),
m_pMemory(new detail::memory_holder),
: m_pMemory(new detail::memory_holder),
m_pNode(&(m_pMemory->create_node())) {
Assign(rhs);
}
inline Node::Node(const detail::iterator_value& rhs)
: m_isValid(rhs.m_isValid),
m_pMemory(rhs.m_pMemory),
: m_pMemory(rhs.m_pMemory),
m_pNode(rhs.m_pNode) {}
inline Node::Node(const Node& rhs)
: m_isValid(rhs.m_isValid),
m_pMemory(rhs.m_pMemory),
: m_pMemory(rhs.m_pMemory),
m_pNode(rhs.m_pNode) {}
inline Node::Node(Zombie)
: m_isValid(false),
m_pMemory(nullptr),
: m_pMemory(nullptr),
m_pNode(NULL) {}
inline Node::Node(Node&& rhs)
: m_isValid(rhs.m_isValid),
m_pMemory(rhs.m_pMemory), // move ?
: m_pMemory(std::move(rhs.m_pMemory)),
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),
: m_pMemory(pMemory),
m_pNode(&node) {}
inline Node::~Node() {}
inline void Node::EnsureNodeExists() const {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
if (!m_pNode) {
m_pMemory.reset(new detail::memory_holder);
@ -77,21 +67,21 @@ inline void Node::EnsureNodeExists() const {
}
inline bool Node::IsDefined() const {
if (!m_isValid) {
if (!isValid()) {
return false;
}
return m_pNode ? m_pNode->is_defined() : true;
}
inline Mark Node::Mark() const {
if (!m_isValid) {
if (!isValid()) {
throw InvalidNode();
}
return m_pNode ? m_pNode->mark() : Mark::null_mark();
}
inline NodeType::value Node::Type() const {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
return m_pNode ? m_pNode->type() : NodeType::Null;
}
@ -158,45 +148,45 @@ struct as_if<std::string, void> {
// access functions
template <typename T>
inline T Node::as() const {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
return as_if<T, void>(*this)();
}
template <typename T, typename S>
inline T Node::as(const S& fallback) const {
if (!m_isValid)
if (!isValid())
return fallback;
return as_if<T, S>(*this)(fallback);
}
inline const std::string& Node::Scalar() const {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
return m_pNode ? m_pNode->scalar() : detail::node_data::empty_scalar;
}
inline const std::string& Node::Tag() const {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
return m_pNode ? m_pNode->tag() : detail::node_data::empty_scalar;
}
inline void Node::SetTag(const std::string& tag) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
m_pNode->set_tag(tag);
}
inline EmitterStyle::value Node::Style() const {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
return m_pNode ? m_pNode->style() : EmitterStyle::Default;
}
inline void Node::SetStyle(EmitterStyle::value style) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
m_pNode->set_style(style);
@ -204,7 +194,7 @@ inline void Node::SetStyle(EmitterStyle::value style) {
// assignment
inline bool Node::is(const Node& rhs) const {
if (!m_isValid || !rhs.m_isValid)
if (!isValid() || !rhs.isValid())
throw InvalidNode();
if (!m_pNode || !rhs.m_pNode)
return false;
@ -213,14 +203,14 @@ inline bool Node::is(const Node& rhs) const {
template <typename T>
inline Node& Node::operator=(const T& rhs) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
Assign(rhs);
return *this;
}
inline void Node::reset(const YAML::Node& rhs) {
if (!m_isValid || !rhs.m_isValid)
if (!isValid() || !rhs.isValid())
throw InvalidNode();
m_pMemory = rhs.m_pMemory;
m_pNode = rhs.m_pNode;
@ -228,35 +218,35 @@ inline void Node::reset(const YAML::Node& rhs) {
template <typename T>
inline void Node::Assign(const T& rhs) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
AssignData(convert<T>::encode(rhs));
}
template <>
inline void Node::Assign(const std::string& rhs) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
m_pNode->set_scalar(rhs);
}
inline void Node::Assign(const char* rhs) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
m_pNode->set_scalar(rhs);
}
inline void Node::Assign(char* rhs) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
m_pNode->set_scalar(rhs);
}
inline Node& Node::operator=(const Node& rhs) {
if (!m_isValid || !rhs.m_isValid)
if (!isValid() || !rhs.isValid())
throw InvalidNode();
if (is(rhs))
return *this;
@ -265,7 +255,7 @@ inline Node& Node::operator=(const Node& rhs) {
}
inline Node& Node::operator=(Node&& rhs) {
if (!m_isValid || !rhs.m_isValid)
if (!isValid() || !rhs.isValid())
throw InvalidNode();
if (is(rhs))
return *this;
@ -276,7 +266,7 @@ inline Node& Node::operator=(Node&& rhs) {
}
inline void Node::AssignData(Node&& rhs) {
if (!m_isValid || !rhs.m_isValid)
if (!isValid() || !rhs.isValid())
throw InvalidNode();
EnsureNodeExists();
rhs.EnsureNodeExists();
@ -286,7 +276,7 @@ inline void Node::AssignData(Node&& rhs) {
}
inline void Node::AssignNode(const Node& rhs) {
if (!m_isValid || !rhs.m_isValid)
if (!isValid() || !rhs.isValid())
throw InvalidNode();
rhs.EnsureNodeExists();
@ -303,32 +293,32 @@ inline void Node::AssignNode(const Node& rhs) {
// size/iterator
inline std::size_t Node::size() const {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
return m_pNode ? m_pNode->size() : 0;
}
inline const_iterator Node::begin() const {
if (!m_isValid)
if (!isValid())
return const_iterator();
return m_pNode ? const_iterator(m_pNode->begin(), m_pMemory)
: const_iterator();
}
inline iterator Node::begin() {
if (!m_isValid)
if (!isValid())
return iterator();
return m_pNode ? iterator(m_pNode->begin(), m_pMemory) : iterator();
}
inline const_iterator Node::end() const {
if (!m_isValid)
if (!isValid())
return const_iterator();
return m_pNode ? const_iterator(m_pNode->end(), m_pMemory) : const_iterator();
}
inline iterator Node::end() {
if (!m_isValid)
if (!isValid())
return iterator();
return m_pNode ? iterator(m_pNode->end(), m_pMemory) : iterator();
}
@ -336,13 +326,13 @@ inline iterator Node::end() {
// sequence
template <typename T>
inline void Node::push_back(const T& rhs) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
push_back(Node(rhs));
}
inline void Node::push_back(const Node& rhs) {
if (!m_isValid || !rhs.m_isValid)
if (!isValid() || !rhs.isValid())
throw InvalidNode();
EnsureNodeExists();
rhs.EnsureNodeExists();
@ -399,7 +389,7 @@ inline typename to_value_t<T>::return_type to_value(const T& t) {
// indexing
template <typename Key>
inline const Node Node::operator[](const Key& key) const {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
detail::node* value = static_cast<const detail::node&>(*m_pNode)
@ -412,7 +402,7 @@ inline const Node Node::operator[](const Key& key) const {
template <typename Key>
inline Node Node::operator[](const Key& key) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
detail::node& value = m_pNode->get(detail::to_value(key), m_pMemory);
@ -421,14 +411,14 @@ inline Node Node::operator[](const Key& key) {
template <typename Key>
inline bool Node::remove(const Key& key) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
return m_pNode->remove(detail::to_value(key), m_pMemory);
}
inline const Node Node::operator[](const Node& key) const {
if (!m_isValid || !key.m_isValid)
if (!isValid() || !key.isValid())
throw InvalidNode();
EnsureNodeExists();
key.EnsureNodeExists();
@ -442,7 +432,7 @@ inline const Node Node::operator[](const Node& key) const {
}
inline Node Node::operator[](const Node& key) {
if (!m_isValid || !key.m_isValid)
if (!isValid() || !key.isValid())
throw InvalidNode();
EnsureNodeExists();
key.EnsureNodeExists();
@ -452,7 +442,7 @@ inline Node Node::operator[](const Node& key) {
}
inline bool Node::remove(const Node& key) {
if (!m_isValid || !key.m_isValid)
if (!isValid() || !key.isValid())
throw InvalidNode();
EnsureNodeExists();
key.EnsureNodeExists();
@ -462,7 +452,7 @@ inline bool Node::remove(const Node& key) {
// map
template <typename Key, typename Value>
inline void Node::force_insert(const Key& key, const Value& value) {
if (!m_isValid)
if (!isValid())
throw InvalidNode();
EnsureNodeExists();
m_pNode->force_insert(detail::to_value(key), detail::to_value(value),

View File

@ -132,9 +132,10 @@ class YAML_CPP_API Node {
void AssignNode(const Node& rhs);
private:
bool m_isValid;
mutable detail::shared_memory_holder m_pMemory;
mutable detail::node* m_pNode;
bool isValid() const { return m_pMemory; }
};
YAML_CPP_API bool operator==(const Node& lhs, const Node& rhs);