diff options
Diffstat (limited to 'louloulibs/utils/time.cpp')
| -rw-r--r-- | louloulibs/utils/time.cpp | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/louloulibs/utils/time.cpp b/louloulibs/utils/time.cpp index abf0a84..7ad6663 100644 --- a/louloulibs/utils/time.cpp +++ b/louloulibs/utils/time.cpp @@ -1,6 +1,10 @@ #include <utils/time.hpp> #include <time.h> +#include <sstream> +#include <iomanip> +#include <locale> + namespace utils { std::string to_string(const std::time_t& timestamp) @@ -14,12 +18,42 @@ std::string to_string(const std::time_t& timestamp) std::time_t parse_datetime(const std::string& stamp) { - auto stamp2 = stamp.substr(0, stamp.size() - 1) + "z"; - struct tm tm; - if (!::strptime(stamp2.data(), "%FT%T%Z", &tm)) + static const char* format = "%Y-%m-%dT%H:%M:%S"; + std::tm t = {}; + std::istringstream ss(stamp); + ss.imbue(std::locale("en_US.utf-8")); + + std::string timezone; + ss >> std::get_time(&t, format) >> timezone; + if (ss.fail()) + return -1; + + if (timezone.empty()) return -1; - auto res = ::timegm(&tm); - return res; + + if (timezone.compare(0, 1, "Z") != 0) + { + std::stringstream tz_ss; + tz_ss << timezone; + int multiplier = -1; + char prefix; + int hours; + char sep; + int minutes; + tz_ss >> prefix >> hours >> sep >> minutes; + if (tz_ss.fail()) + return -1; + if (prefix == '-') + multiplier = +1; + else if (prefix != '+') + return -1; + + t.tm_hour += multiplier * hours; + t.tm_min += multiplier * minutes; + } + return ::timegm(&t); } } + + |