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#ifndef MBGL_STYLE_VALUE
#define MBGL_STYLE_VALUE
#include <mapbox/variant.hpp>
#include <rapidjson/document.h>
#include <cstdlib>
#include <cerrno>
namespace mbgl {
typedef mapbox::util::variant<bool, int64_t, uint64_t, double, std::string> Value;
std::string toString(const Value &value);
Value parseValue(const rapidjson::Value&);
namespace util {
inline bool parseNumericString(const std::string &str, double &result) {
char *end = nullptr;
const char *begin = str.c_str();
result = std::strtod(begin, &end);
while (*end != '\0' && isspace(*end)) end++; // eat whitespace after the end
return errno == 0 && end - begin == long(str.size());
}
} // namespace util
template <typename T>
T toNumber(const Value &value) {
if (value.is<std::string>()) {
double val;
return util::parseNumericString(value.get<std::string>(), val) ? val : 0;
}
else if (value.is<bool>()) return value.get<bool>();
else if (value.is<int64_t>()) return value.get<int64_t>();
else if (value.is<uint64_t>()) return value.get<uint64_t>();
else if (value.is<double>()) return value.get<double>();
else return 0;
}
} // namespace mbgl
#endif
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