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Switched convert to a templated struct that can be specialized (so we can partially specialize it)

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beder
2011-09-08 02:02:15 -05:00
parent 21fbb461c0
commit bb2eafc387
7 changed files with 80 additions and 58 deletions
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1
include/yaml-cpp/value.h
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@@ -8,6 +8,7 @@
#include "yaml-cpp/value/value.h"
#include "yaml-cpp/value/impl.h"
#include "yaml-cpp/value/convert.h"
#include "yaml-cpp/value/detail/impl.h"
#endif // VALUE_H_62B23520_7C8E_11DE_8A39_0800200C9A66

30
include/yaml-cpp/value/convert.h Normal file
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@@ -0,0 +1,30 @@
#ifndef VALUE_CONVERT_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define VALUE_CONVERT_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/value/value.h"
#include <sstream>
namespace YAML
{
// std::string
template<>
struct convert<std::string> {
static Value encode(const std::string& rhs) {
return Value(rhs);
}
static bool decode(const Value& value, std::string& rhs) {
if(value.Type() != ValueType::Scalar)
return false;
rhs = value.scalar();
return true;
}
};
}
#endif // VALUE_CONVERT_H_62B23520_7C8E_11DE_8A39_0800200C9A66

4
include/yaml-cpp/value/detail/impl.h
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@@ -78,7 +78,7 @@ namespace YAML
inline bool node_data::equals(detail::shared_node pNode, const T& rhs, detail::shared_memory_holder pMemory)
{
T lhs;
if(convert(Value(pNode, pMemory), lhs))
if(convert<T>::decode(Value(pNode, pMemory), lhs))
return lhs == rhs;
return false;
}
@@ -86,7 +86,7 @@ namespace YAML
template<typename T>
inline shared_node node_data::convert_to_node(const T& rhs, detail::shared_memory_holder pMemory)
{
Value value = convert(rhs);
Value value = convert<T>::encode(rhs);
pMemory->merge(*value.m_pMemory);
return value.m_pNode;
}

4
include/yaml-cpp/value/impl.h
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@@ -51,7 +51,7 @@ namespace YAML
inline const T Value::as() const
{
T t;
if(convert<T>(*this, t))
if(convert<T>::decode(*this, t))
return t;
throw std::runtime_error("Unable to convert to type");
}
@@ -85,7 +85,7 @@ namespace YAML
template<typename T>
inline void Value::Assign(const T& rhs)
{
AssignData(convert<T>(rhs));
AssignData(convert<T>::encode(rhs));
}
template<>

5
include/yaml-cpp/value/value.h
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@@ -83,10 +83,7 @@ namespace YAML
bool is(const Value& lhs, const Value& rhs);
template<typename T>
Value convert(const T& rhs);
template<typename T>
bool convert(const Value& value, T& rhs);
struct convert;
}
#endif // VALUE_VALUE_H_62B23520_7C8E_11DE_8A39_0800200C9A66