Add the full source of BambuStudio

using version 1.0.10

src/libslic3r/Time.cpp

@@ -0,0 +1,234 @@
+#include "Time.hpp"
+
+#include <iomanip>
+#include <sstream>
+#include <chrono>
+#include <cassert>
+#include <ctime>
+#include <cstdio>
+
+#ifdef _MSC_VER
+#include <map>
+#endif
+
+// #include "libslic3r/Utils.hpp"
+
+namespace Slic3r {
+namespace Utils {
+
+// "YYYY-MM-DD at HH:MM::SS [UTC]"
+// If TimeZone::utc is used with the conversion functions, it will append the
+// UTC letters to the end.
+static const constexpr char *const SLICER_UTC_TIME_FMT = "%Y-%m-%d at %T";
+
+// ISO8601Z representation of time, without time zone info
+static const constexpr char *const ISO8601Z_TIME_FMT = "%Y%m%dT%H%M%SZ";
+
+static const char * get_fmtstr(TimeFormat fmt)
+{
+    switch (fmt) {
+    case TimeFormat::gcode: return SLICER_UTC_TIME_FMT;
+    case TimeFormat::iso8601Z: return ISO8601Z_TIME_FMT;
+    }
+
+    return "";
+}
+
+namespace __get_put_time_emulation {
+// FIXME: Implementations with the cpp11 put_time and get_time either not
+// compile or do not pass the tests on the build server. If we switch to newer
+// compilers, this namespace can be deleted with all its content.
+
+#ifdef _MSC_VER
+// VS2019 implementation fails with ISO8601Z_TIME_FMT.
+// VS2019 does not have std::strptime either. See bug:
+// https://developercommunity.visualstudio.com/content/problem/140618/c-stdget-time-not-parsing-correctly.html
+
+static const std::map<std::string, std::string> sscanf_fmt_map = {
+    {SLICER_UTC_TIME_FMT, "%04d-%02d-%02d at %02d:%02d:%02d"},
+    {std::string(SLICER_UTC_TIME_FMT) + " UTC", "%04d-%02d-%02d at %02d:%02d:%02d UTC"},
+    {ISO8601Z_TIME_FMT, "%04d%02d%02dT%02d%02d%02dZ"}
+};
+
+static const char * strptime(const char *str, const char *const fmt, std::tm *tms)
+{
+    auto it = sscanf_fmt_map.find(fmt);
+    if (it == sscanf_fmt_map.end()) return nullptr;
+
+    int y, M, d, h, m, s;
+    if (sscanf(str, it->second.c_str(), &y, &M, &d, &h, &m, &s) != 6)
+        return nullptr;
+
+    tms->tm_year = y - 1900;  // Year since 1900
+    tms->tm_mon  = M - 1;     // 0-11
+    tms->tm_mday = d;         // 1-31
+    tms->tm_hour = h;         // 0-23
+    tms->tm_min  = m;         // 0-59
+    tms->tm_sec  = s;         // 0-61 (0-60 in C++11)
+
+    return str; // WARN strptime return val should point after the parsed string
+}
+#endif
+
+template<class Ttm>
+struct GetPutTimeReturnT {
+    Ttm *tms;
+    const char *fmt;
+    GetPutTimeReturnT(Ttm *_tms, const char *_fmt): tms(_tms), fmt(_fmt) {}
+};
+
+using GetTimeReturnT = GetPutTimeReturnT<std::tm>;
+using PutTimeReturnT = GetPutTimeReturnT<const std::tm>;
+
+std::ostream &operator<<(std::ostream &stream, PutTimeReturnT &&pt)
+{
+    static const constexpr int MAX_CHARS = 200;
+    char _out[MAX_CHARS];
+    strftime(_out, MAX_CHARS, pt.fmt, pt.tms);
+    stream << _out;
+    return stream;
+}
+
+inline PutTimeReturnT put_time(const std::tm *tms, const char *fmt)
+{
+    return {tms, fmt};
+}
+
+std::istream &operator>>(std::istream &stream, GetTimeReturnT &&gt)
+{
+    std::string line;
+    std::getline(stream, line);
+
+    if (strptime(line.c_str(), gt.fmt, gt.tms) == nullptr)
+        stream.setstate(std::ios::failbit);
+
+    return stream;
+}
+
+inline GetTimeReturnT get_time(std::tm *tms, const char *fmt)
+{
+    return {tms, fmt};
+}
+
+}
+
+namespace {
+
+// Platform independent versions of gmtime and localtime. Completely thread
+// safe only on Linux. MSVC gtime_s and localtime_s sets global errno thus not
+// thread safe.
+struct std::tm * _gmtime_r(const time_t *timep, struct tm *result)
+{
+    assert(timep != nullptr && result != nullptr);
+#ifdef WIN32
+    time_t t = *timep;
+    gmtime_s(result, &t);
+    return result;
+#else
+    return gmtime_r(timep, result);
+#endif
+}
+
+struct std::tm * _localtime_r(const time_t *timep, struct tm *result)
+{
+    assert(timep != nullptr && result != nullptr);
+#ifdef WIN32
+    // Converts a time_t time value to a tm structure, and corrects for the
+    // local time zone.
+    time_t t = *timep;
+    localtime_s(result, &t);
+    return result;
+#else
+    return localtime_r(timep, result);
+#endif
+}
+
+time_t _mktime(const struct std::tm *tms)
+{
+    assert(tms != nullptr);
+    std::tm _tms = *tms;
+    return mktime(&_tms);
+}
+
+time_t _timegm(const struct std::tm *tms)
+{
+    std::tm _tms = *tms;
+#ifdef WIN32
+    return _mkgmtime(&_tms);
+#else /* WIN32 */
+    return timegm(&_tms);
+#endif /* WIN32 */
+}
+
+std::string process_format(const char *fmt, TimeZone zone)
+{
+    std::string fmtstr(fmt);
+
+    if (fmtstr == SLICER_UTC_TIME_FMT && zone == TimeZone::utc)
+        fmtstr += " UTC";
+
+    return fmtstr;
+}
+
+} // namespace
+
+time_t get_current_time_utc()
+{
+    using clk = std::chrono::system_clock;
+    return clk::to_time_t(clk::now());
+}
+
+static std::string tm2str(const std::tm *tms, const char *fmt)
+{
+    std::stringstream ss;
+    ss.imbue(std::locale("C"));
+    ss << __get_put_time_emulation::put_time(tms, fmt);
+    return ss.str();
+}
+
+std::string time2str(const time_t &t, TimeZone zone, TimeFormat fmt)
+{
+    std::string ret;
+    std::tm tms = {};
+    tms.tm_isdst = -1;
+    std::string fmtstr = process_format(get_fmtstr(fmt), zone);
+
+    switch (zone) {
+    case TimeZone::local:
+        ret = tm2str(_localtime_r(&t, &tms), fmtstr.c_str()); break;
+    case TimeZone::utc:
+        ret = tm2str(_gmtime_r(&t, &tms), fmtstr.c_str()); break;
+    }
+
+    return ret;
+}
+
+static time_t str2time(std::istream &stream, TimeZone zone, const char *fmt)
+{
+    std::tm tms = {};
+    tms.tm_isdst = -1;
+
+    stream >> __get_put_time_emulation::get_time(&tms, fmt);
+    time_t ret = time_t(-1);
+
+    switch (zone) {
+    case TimeZone::local: ret = _mktime(&tms); break;
+    case TimeZone::utc:   ret = _timegm(&tms); break;
+    }
+
+    if (stream.fail() || ret < time_t(0)) ret = time_t(-1);
+
+    return ret;
+}
+
+time_t str2time(const std::string &str, TimeZone zone, TimeFormat fmt)
+{
+    std::string fmtstr = process_format(get_fmtstr(fmt), zone).c_str();
+    std::stringstream ss(str);
+
+    ss.imbue(std::locale("C"));
+    return str2time(ss, zone, fmtstr.c_str());
+}
+
+}; // namespace Utils
+}; // namespace Slic3r