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formatter.cr
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formatter.cr
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require "./pattern"
struct Time::Format
# :nodoc:
struct Formatter
include Pattern
getter io : IO
getter time : Time
def initialize(@time : Time, @io : IO)
end
def year
pad4(time.year, '0')
end
def year_modulo_100
pad2(time.year % 100, '0')
end
def year_divided_by_100
io << time.year / 100
end
def full_or_short_year
year
end
def calendar_week_year
pad4(time.calendar_week[0], '0')
end
def calendar_week_year_modulo100
pad2(time.calendar_week[0] % 100, '0')
end
def month
io << time.month
end
def month_zero_padded
pad2 time.month, '0'
end
def month_blank_padded
pad2 time.month, ' '
end
def month_name
io << get_month_name
end
def month_name_upcase
io << get_month_name.upcase
end
def short_month_name
io << get_short_month_name
end
def short_month_name_upcase
io << get_short_month_name.upcase
end
def calendar_week_week
pad2(time.calendar_week[1], '0')
end
def day_of_month
io << time.day
end
def day_of_month_zero_padded
pad2 time.day, '0'
end
def day_of_month_blank_padded
pad2 time.day, ' '
end
def day_name
io << get_day_name
end
def day_name_upcase
io << get_day_name.upcase
end
def short_day_name
io << get_short_day_name
end
def short_day_name_upcase
io << get_short_day_name.upcase
end
def short_day_name_with_comma?
short_day_name
char ','
whitespace
end
def day_of_year_zero_padded
pad3 time.day_of_year, '0'
end
def hour_24_zero_padded
pad2 time.hour, '0'
end
def hour_24_blank_padded
pad2 time.hour, ' '
end
def hour_12_zero_padded
h = (time.hour % 12)
pad2 (h == 0 ? 12 : h), '0'
end
def hour_12_blank_padded
h = (time.hour % 12)
pad2 (h == 0 ? 12 : h), ' '
end
def minute
pad2 time.minute, '0'
end
def second
pad2 time.second, '0'
end
def milliseconds
pad3 time.millisecond, '0'
end
def microseconds
pad6 time.nanosecond / 1000, '0'
end
def nanoseconds
pad9 time.nanosecond, '0'
end
def second_fraction
nanoseconds
end
def second_fraction?(fraction_digits = nil)
unless time.nanosecond == 0 || fraction_digits == 0
char '.'
second_fraction
end
end
def am_pm
io << (time.hour < 12 ? "am" : "pm")
end
def am_pm_upcase
io << (time.hour < 12 ? "AM" : "PM")
end
def day_of_week_monday_1_7
io << time.day_of_week.value
end
def day_of_week_sunday_0_6
io << time.day_of_week.value % 7
end
def unix_seconds
io << time.to_unix
end
def time_zone(with_seconds = false)
time_zone_offset(allow_seconds: with_seconds)
end
def time_zone_z_or_offset(**options)
if time.utc?
io << 'Z'
else
time_zone_offset(**options)
end
end
def time_zone_offset(force_colon = false, allow_colon = true, allow_seconds = true)
time.zone.format(io, with_colon: force_colon, with_seconds: allow_seconds)
end
def time_zone_colon(with_seconds = false)
time_zone_offset(force_colon: true, allow_seconds: with_seconds)
end
def time_zone_colon_with_seconds
time_zone_colon(with_seconds: true)
end
def time_zone_gmt
io << "GMT"
end
def time_zone_rfc2822
time_zone_offset(allow_colon: false, allow_seconds: false)
end
def time_zone_gmt_or_rfc2822(**options)
if time.utc? || time.location.name == "UT" || time.location.name == "GMT"
time_zone_gmt
else
time_zone_rfc2822
end
end
def char(char, *alternatives)
io << char
end
def char?(char, *alternatives)
char(char, *alternatives)
end
def whitespace
io << ' '
end
def get_month_name
MONTH_NAMES[time.month - 1]
end
def get_short_month_name
get_month_name[0, 3]
end
def get_day_name
DAY_NAMES[time.day_of_week.value % 7]
end
def get_short_day_name
get_day_name[0, 3]
end
def pad2(value, padding)
io.write_byte padding.ord.to_u8 if value < 10
io << value
end
def pad3(value, padding)
io.write_byte padding.ord.to_u8 if value < 100
pad2 value, padding
end
def pad4(value, padding)
io.write_byte padding.ord.to_u8 if value < 1000
pad3 value, padding
end
def pad6(value, padding)
io.write_byte padding.ord.to_u8 if value < 100000
io.write_byte padding.ord.to_u8 if value < 10000
pad4 value, padding
end
def pad9(value, padding)
io.write_byte padding.ord.to_u8 if value < 100000000
io.write_byte padding.ord.to_u8 if value < 10000000
io.write_byte padding.ord.to_u8 if value < 1000000
pad6 value, padding
end
end
end