string.hpp

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#pragma once
 
#include <string>
#include <cstdint>
#include <cstdlib>
#include <type_traits>
#include <exception>
 
// Polyfill needed by Qt when building for Android with GCC
#if defined(__ANDROID__) && defined(__GLIBCXX__)
 
namespace std {
 
inline int stoi(const std::string &str)
{
    return atoi(str.c_str());
}
 
inline float stof(const std::string &str) {
    return static_cast<float>(atof(str.c_str()));
}
 
} // namespace std
 
#endif
 
namespace mbgl {
namespace util {
 
std::string toString(int64_t);
std::string toString(uint64_t);
std::string toString(int32_t);
std::string toString(uint32_t);
std::string toString(double, bool decimal = false);
 
inline std::string toString(int16_t t) {
    return toString(static_cast<int32_t>(t));
}
 
inline std::string toString(uint16_t t) {
    return toString(static_cast<uint32_t>(t));
}
 
inline std::string toString(int8_t t) {
    return toString(static_cast<int32_t>(t));
}
 
inline std::string toString(uint8_t t) {
    return toString(static_cast<uint32_t>(t));
}
 
template <typename = std::enable_if<!std::is_same_v<uint64_t, unsigned long>>>
inline std::string toString(unsigned long t) {
    return toString(static_cast<uint64_t>(t));
}
 
template <typename = std::enable_if<!std::is_same_v<uint64_t, unsigned long long>>>
inline std::string toString(unsigned long long t) {
    return toString(static_cast<uint64_t>(t));
}
 
template <typename = std::enable_if<!std::is_same_v<int64_t, long>>>
inline std::string toString(long t) {
    return toString(static_cast<int64_t>(t));
}
 
template <typename = std::enable_if<!std::is_same_v<int64_t, long long>>>
inline std::string toString(long long t) {
    return toString(static_cast<int64_t>(t));
}
 
inline std::string toString(float t, bool decimal = false) {
    return toString(static_cast<double>(t), decimal);
}
 
inline std::string toString(long double t, bool decimal = false) {
    return toString(static_cast<double>(t), decimal);
}
 
std::string toString(const std::exception_ptr &);
 
template <class T>
std::string toString(T) = delete;
 
std::string toHex(uint32_t);
std::string toHex(uint64_t);
 
inline float stof(const std::string& str) {
    return std::stof(str);
}
 
} // namespace util
} // namespace mbgl
 
// Android's libstdc++ doesn't have std::to_string()
#if defined(__ANDROID__) && defined(__GLIBCXX__)
 
namespace std {
 
template <typename T>
inline std::string to_string(T value) {
    return mbgl::util::toString(value);
}
 
} // namespace std
 
#endif