peisongxiao/yaml-cpp
1
0
Fork 0
mirror of https://github.com/jbeder/yaml-cpp.git synced 2025-09-09 12:41:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added streamable conversions

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

34
src/value/convert.cpp
View File

@@ -1,7 +1,9 @@
#include "yaml-cpp/value.h"
#include <sstream>
namespace YAML
{
// std::string
template<>
Value convert(const std::string& rhs) {
return Value(rhs);
@@ -14,4 +16,36 @@ namespace YAML
rhs = value.scalar();
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
View File

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