Added (another) layer - now 'node_ref' is between node and node_data, and it decrees whether nodes are identical

This commit is contained in:
Jesse Beder 2011-09-07 14:44:18 -05:00
parent d1eca90216
commit e225509210
4 changed files with 64 additions and 16 deletions

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@ -9,8 +9,7 @@
#include "yaml-cpp/dll.h" #include "yaml-cpp/dll.h"
#include "yaml-cpp/value/type.h" #include "yaml-cpp/value/type.h"
#include "yaml-cpp/value/ptr.h" #include "yaml-cpp/value/ptr.h"
#include "yaml-cpp/value/value.h" #include "yaml-cpp/value/detail/node_ref.h"
#include "yaml-cpp/value/detail/node_data.h"
namespace YAML namespace YAML
{ {
@ -19,27 +18,28 @@ namespace YAML
class node class node
{ {
public: public:
node(): m_pData(new node_data) {} node(): m_pRef(new node_ref) {}
ValueType::value type() const { return m_pData->type(); } ValueType::value type() const { return m_pRef->type(); }
void set_data(const node& rhs) { m_pData = rhs.m_pData; } void set_ref(const node& rhs) { m_pRef = rhs.m_pRef; }
void set_data(const node& rhs) { m_pRef->set_data(*rhs.m_pRef); }
void set_type(ValueType::value type) { m_pData->set_type(type); } void set_type(ValueType::value type) { m_pRef->set_type(type); }
void set_null() { m_pData->set_null(); } void set_null() { m_pRef->set_null(); }
void set_scalar(const std::string& scalar) { m_pData->set_scalar(scalar); } void set_scalar(const std::string& scalar) { m_pRef->set_scalar(scalar); }
// indexing // indexing
template<typename Key> shared_node get(const Key& key, shared_memory_holder pMemory) const { return static_cast<const node_data&>(*m_pData).get(key, pMemory); } template<typename Key> shared_node get(const Key& key, shared_memory_holder pMemory) const { return static_cast<const node_ref&>(*m_pRef).get(key, pMemory); }
template<typename Key> shared_node get(const Key& key, shared_memory_holder pMemory) { return m_pData->get(key, pMemory); } template<typename Key> shared_node get(const Key& key, shared_memory_holder pMemory) { return m_pRef->get(key, pMemory); }
template<typename Key> bool remove(const Key& key, shared_memory_holder pMemory) { return m_pData->remove(key, pMemory); } template<typename Key> bool remove(const Key& key, shared_memory_holder pMemory) { return m_pRef->remove(key, pMemory); }
shared_node get(shared_node pKey) const { return static_cast<const node_data&>(*m_pData).get(pKey); } shared_node get(shared_node pKey) const { return static_cast<const node_ref&>(*m_pRef).get(pKey); }
shared_node get(shared_node pKey) { return m_pData->get(pKey); } shared_node get(shared_node pKey) { return m_pRef->get(pKey); }
bool remove(shared_node pKey) { return m_pData->remove(pKey); } bool remove(shared_node pKey) { return m_pRef->remove(pKey); }
private: private:
shared_node_data m_pData; shared_node_ref m_pRef;
}; };
} }
} }

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@ -0,0 +1,46 @@
#ifndef VALUE_DETAIL_NODE_REF_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define VALUE_DETAIL_NODE_REF_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif
#include "yaml-cpp/dll.h"
#include "yaml-cpp/value/type.h"
#include "yaml-cpp/value/ptr.h"
#include "yaml-cpp/value/detail/node_data.h"
namespace YAML
{
namespace detail
{
class node_ref
{
public:
node_ref(): m_pData(new node_data) {}
ValueType::value type() const { return m_pData->type(); }
void set_data(const node_ref& rhs) { m_pData = rhs.m_pData; }
void set_type(ValueType::value type) { m_pData->set_type(type); }
void set_null() { m_pData->set_null(); }
void set_scalar(const std::string& scalar) { m_pData->set_scalar(scalar); }
// indexing
template<typename Key> shared_node get(const Key& key, shared_memory_holder pMemory) const { return static_cast<const node_data&>(*m_pData).get(key, pMemory); }
template<typename Key> shared_node get(const Key& key, shared_memory_holder pMemory) { return m_pData->get(key, pMemory); }
template<typename Key> bool remove(const Key& key, shared_memory_holder pMemory) { return m_pData->remove(key, pMemory); }
shared_node get(shared_node pKey) const { return static_cast<const node_data&>(*m_pData).get(pKey); }
shared_node get(shared_node pKey) { return m_pData->get(pKey); }
bool remove(shared_node pKey) { return m_pData->remove(pKey); }
private:
shared_node_data m_pData;
};
}
}
#endif // VALUE_DETAIL_NODE_REF_H_62B23520_7C8E_11DE_8A39_0800200C9A66

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@ -102,7 +102,7 @@ namespace YAML
void Value::AssignNode(const Value& rhs) void Value::AssignNode(const Value& rhs)
{ {
m_pNode = rhs.m_pNode; m_pNode->set_ref(*rhs.m_pNode);
m_pMemory->merge(*rhs.m_pMemory); m_pMemory->merge(*rhs.m_pMemory);
} }

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@ -13,11 +13,13 @@ namespace YAML
{ {
namespace detail { namespace detail {
class node; class node;
class node_ref;
class node_data; class node_data;
class memory; class memory;
class memory_holder; class memory_holder;
typedef boost::shared_ptr<node> shared_node; typedef boost::shared_ptr<node> shared_node;
typedef boost::shared_ptr<node_ref> shared_node_ref;
typedef boost::shared_ptr<node_data> shared_node_data; typedef boost::shared_ptr<node_data> shared_node_data;
typedef boost::shared_ptr<memory_holder> shared_memory_holder; typedef boost::shared_ptr<memory_holder> shared_memory_holder;
typedef boost::shared_ptr<memory> shared_memory; typedef boost::shared_ptr<memory> shared_memory;