strings_convert_decl.h

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#ifndef A_UTIL_UTIL_STRINGS_STRINGS_CONVERT_DECL_HEADER_INCLUDED
#define A_UTIL_UTIL_STRINGS_STRINGS_CONVERT_DECL_HEADER_INCLUDED
 
#include <string>
#include <cstdint>
 
namespace a_util {
namespace strings {
bool toBool(const std::string& from, bool& to);

bool toInt8(const std::string& from, std::int8_t& to);
bool toInt16(const std::string& from, std::int16_t& to);
bool toInt32(const std::string& from, std::int32_t& to);
bool toInt64(const std::string& from, std::int64_t& to);
bool toUInt8(const std::string& from, std::uint8_t& to);
bool toUInt16(const std::string& from, std::uint16_t& to);
bool toUInt32(const std::string& from, std::uint32_t& to);
bool toUInt64(const std::string& from, std::uint64_t& to);
bool toFloat(const std::string& from, float& to);
bool toDouble(const std::string& from, double& to);

bool toBool(const char* from, bool& to);
bool toInt8(const char* from, std::int8_t& to);
bool toInt16(const char* from, std::int16_t& to);
bool toInt32(const char* from, std::int32_t& to);
bool toInt64(const char* from, std::int64_t& to);
bool toUInt8(const char* from, std::uint8_t& to);
bool toUInt16(const char* from, std::uint16_t& to);
bool toUInt32(const char* from, std::uint32_t& to);
bool toUInt64(const char* from, std::uint64_t& to);
bool toFloat(const char* from, float& to);
bool toDouble(const char* from, double& to);

bool toBool(const std::string& from);

std::int8_t toInt8(const std::string& from);
std::int16_t toInt16(const std::string& from);
std::int32_t toInt32(const std::string& from);
std::int64_t toInt64(const std::string& from);
std::uint8_t toUInt8(const std::string& from);
std::uint16_t toUInt16(const std::string& from);
std::uint32_t toUInt32(const std::string& from);
std::uint64_t toUInt64(const std::string& from);
float toFloat(const std::string& from);
double toDouble(const std::string& from);

bool toBool(const char* from);
std::int8_t toInt8(const char* from);
std::int16_t toInt16(const char* from);
std::int32_t toInt32(const char* from);
std::int64_t toInt64(const char* from);
std::uint8_t toUInt8(const char* from);
std::uint16_t toUInt16(const char* from);
std::uint32_t toUInt32(const char* from);
std::uint64_t toUInt64(const char* from);
float toFloat(const char* from);
double toDouble(const char* from);

struct ToNumericConverter {
    static bool convert(const char* from, bool& to);
    static bool convert(const char* from, std::int8_t& to);
    static bool convert(const char* from, std::int16_t& to);
    static bool convert(const char* from, std::int32_t& to);
    static bool convert(const char* from, std::int64_t& to);
    static bool convert(const char* from, std::uint8_t& to);
    static bool convert(const char* from, std::uint16_t& to);
    static bool convert(const char* from, std::uint32_t& to);
    static bool convert(const char* from, std::uint64_t& to);
    static bool convert(const char* from, float& to);
    static bool convert(const char* from, double& to);
};

template <typename Numeric>
bool toNumeric(const std::string& from, Numeric& to);

template <typename Numeric>
bool toNumeric(const char* from, Numeric& to);

template <typename Numeric>
Numeric toNumeric(const std::string& from);

template <typename Numeric>
Numeric toNumeric(const char* from);
 
} // namespace strings
} // namespace a_util

#include <a_util/strings/detail/strings_convert_impl.h>
 
#endif // A_UTIL_UTIL_STRINGS_STRINGS_CONVERT_DECL_HEADER_INCLUDED