mirror of https://github.com/djcb/mu.git
utils: add Mu::time_to_string
Helper function to format strings (a-la strftime).
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@ -242,6 +242,37 @@ Mu::date_to_time_t_string(int64_t t)
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return buf;
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}
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std::string
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Mu::time_to_string(const std::string& frm, time_t t, bool utc)
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{
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GDateTime* dt = [&] {
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if (utc)
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return g_date_time_new_from_unix_utc(t);
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else
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return g_date_time_new_from_unix_local(t);
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}();
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char* str = g_date_time_format(dt, frm.c_str());
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g_date_time_unref(dt);
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if (!str) {
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g_warning("failed to format time");
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return {};
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}
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/* ensure it's utf8 */
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char* utf8_str = g_locale_to_utf8(str, -1, NULL, NULL, NULL);
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g_free(str);
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if (!utf8_str) {
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g_warning("failed to convert date to utf8");
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return {};
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}
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std::string res{utf8_str};
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g_free(utf8_str);
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return res;
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}
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static std::string
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delta_ymwdhMs(const std::string& expr)
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{
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@ -129,6 +129,19 @@ std::string date_to_time_t_string(const std::string& date, bool first);
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*/
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std::string date_to_time_t_string(int64_t t);
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/**
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* Get a string for a given time_t and format
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* memory that must be freed after use.
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*
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* @param frm the format of the string (in strftime(3) format)
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* @param t the time as time_t
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* @param utc whether to display as UTC(if true) or local time
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*
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* @return a string representation of the time in UTF8-format, or empty in case
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* of error.
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*/
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std::string time_to_string(const std::string& frm, time_t t, bool utc = false) G_GNUC_CONST;
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/**
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* Create a std::string by consuming a gchar* array; this takes ownership
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* of str which should no longer be used.
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