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#include <sstream> | |
#include <boost/utility/string_view.hpp> | |
#include "../../exception.hpp" | |
namespace s3::api::misc | |
{ | |
inline char digit_to_upper_hex_letter(const char ch) | |
{ | |
return (ch >= 10) ? ('A' - 10 + ch) : ('0' + ch); | |
} | |
template <bool EncodeSlash> | |
inline void uriencode_char(const char ch, std::ostringstream &oss); | |
template <> | |
inline void uriencode_char<true>(const char ch, std::ostringstream &oss) | |
{ | |
if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9') || ch == '_' || ch == '-' || ch == '~' || ch == '.') { | |
oss << ch; | |
} else { | |
oss << '%'; | |
oss << digit_to_upper_hex_letter((ch >> 4) & 0x0f); | |
oss << digit_to_upper_hex_letter(ch & 0x0f); | |
} | |
} | |
template <> | |
inline void uriencode_char<false>(const char ch, std::ostringstream &oss) | |
{ | |
if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9') || ch == '_' || ch == '-' || ch == '~' || ch == '.' | |
|| ch == '/') { | |
oss << ch; | |
} else { | |
oss << '%'; | |
oss << digit_to_upper_hex_letter((ch >> 4) & 0x0f); | |
oss << digit_to_upper_hex_letter(ch & 0x0f); | |
} | |
} | |
template <bool EncodeSlash=true> | |
inline std::string uriencode(boost::string_view input) | |
{ | |
std::ostringstream oss{}; | |
for(const char ch : input) | |
{ | |
uriencode_char<EncodeSlash>(ch, oss); | |
} | |
return oss.str(); | |
} | |
} |
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