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Added streamable conversions

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This commit is contained in:
beder
2011-09-08 00:48:40 -05:00
parent 3b0cc619b2
commit 21fbb461c0
2 changed files with 38 additions and 2 deletions
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34
src/value/convert.cpp
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@@ -1,7 +1,9 @@
#include "yaml-cpp/value.h" #include "yaml-cpp/value.h"
#include <sstream>
namespace YAML namespace YAML
{ {
// std::string
template<> template<>
Value convert(const std::string& rhs) { Value convert(const std::string& rhs) {
return Value(rhs); return Value(rhs);
@@ -14,4 +16,36 @@ namespace YAML
rhs = value.scalar(); rhs = value.scalar();
return true; return true;
} }
#define YAML_DEFINE_CONVERT_STREAMABLE(type)\
template<> Value convert(const type& rhs) {\
std::stringstream stream;\
stream << rhs;\
return Value(stream.str());\
}\
template<> bool convert(const Value& value, type& rhs) {\
if(value.Type() != ValueType::Scalar)\
return false;\
std::stringstream stream(value.scalar());\
stream >> rhs;\
return !!stream;\
}
YAML_DEFINE_CONVERT_STREAMABLE(int)
YAML_DEFINE_CONVERT_STREAMABLE(unsigned)
YAML_DEFINE_CONVERT_STREAMABLE(short)
YAML_DEFINE_CONVERT_STREAMABLE(unsigned short)
YAML_DEFINE_CONVERT_STREAMABLE(long)
YAML_DEFINE_CONVERT_STREAMABLE(unsigned long)
YAML_DEFINE_CONVERT_STREAMABLE(long long)
YAML_DEFINE_CONVERT_STREAMABLE(unsigned long long)
YAML_DEFINE_CONVERT_STREAMABLE(char)
YAML_DEFINE_CONVERT_STREAMABLE(unsigned char)
YAML_DEFINE_CONVERT_STREAMABLE(float)
YAML_DEFINE_CONVERT_STREAMABLE(double)
YAML_DEFINE_CONVERT_STREAMABLE(long double)
#undef YAML_DEFINE_CONVERT_STREAMABLE
} }

6
util/value.cpp
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@@ -7,8 +7,10 @@ int main()
std::cout << value["key"].as<std::string>() << "\n"; std::cout << value["key"].as<std::string>() << "\n";
value["key"]["key"] = "value"; value["key"]["key"] = "value";
std::cout << value["key"]["key"].as<std::string>() << "\n"; std::cout << value["key"]["key"].as<std::string>() << "\n";
// value[5] = "monkey"; value[5] = "monkey";
// std::cout << value[5].as<std::string>() << "\n"; std::cout << value[5].as<std::string>() << "\n";
value["monkey"] = 5;
std::cout << value["monkey"].as<int>() << "\n";
return 0; return 0;
} }