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# File 'lib/is-duration.rb', line 72
def format value, **opts
return nil if value.nil?
value = value.to_f if value.is_a?(Rational)
raise ArgumentError, "Invalid source value: #{ value.inspect }", caller_locations unless value.is_a?(Integer) || value.is_a?(Float)
units = Unit::from(opts[:units] || (:s .. :d))
empty = OnEmpty::from(opts[:empty] || :skip)
zeros = OnZero::from(opts[:zeros] || :single)
delim = opts[:delim] || ''
minus = case opts[:minus]
when OnMinus, String, Proc
opts[:minus]
when Symbol
OnMinus[opts[:minus]]
when nil
OnMinus.ignore
else
raise ArgumentError, "Invalid option 'minus': #{ opts.minus }", caller_locations
end
sgn = value <=> 0
raise ArgumentError, "Invalid source value: #{ value.inspect }", caller_locations if sgn < 0 && minus == OnMinus::error
abs = value.abs
int, frac = abs.divmod 1
weeks = days = hours = minutes = seconds = 0
if units.end > Unit::s && int > 60
min, seconds = int.divmod 60
if units.end > Unit::m && min > 60
hrs, minutes = min.divmod 60
if units.end > Unit::h && hrs > 24
dys, hours = hrs.divmod 24
if units.end > Unit::d && dys > 7
weeks, days = dys.divmod 7
else
days = dys
end
else
hours = hrs
end
else
minutes = min
end
else
seconds = int
end
nanoseconds = microseconds = milliseconds = 0
if units.begin < Unit::s
str_frac = Kernel::format('%.9f', frac)[-9..]
str_ms, str_us, str_ns = str_frac[0, 3], str_frac[3, 3], str_frac[6, 3]
milliseconds, microseconds, nanoseconds = str_ms.to_i, str_us.to_i, str_ns.to_i
end
if units.end < Unit::us
nanoseconds += seconds * 1_000_000_000
nanoseconds += milliseconds * 1_000_000
nanoseconds += microseconds * 1_000
seconds = milliseconds = microseconds = 0
elsif units.end < Unit::ms
microseconds += seconds * 1_000_000
microseconds += milliseconds * 1_000
seconds = milliseconds = 0
elsif units.end < Unit::s
milliseconds += seconds * 1_000
seconds = 0
end
map = {
Unit::w => weeks,
Unit::d => days,
Unit::h => hours,
Unit::m => minutes,
Unit::s => seconds,
Unit::ms => milliseconds,
Unit::us => microseconds,
Unit::ns => nanoseconds
}
units_array = units.to_a.reverse
fmt2 = case zeros
when OnZero::fill
'%02d'
when OnZero::align
'%2d'
else
'%d'
end
fmt3 = case zeros
when OnZero::fill
'%03d'
when OnZero::align
'%3d'
else
'%d'
end
result = []
started = false
units_array.each do |u|
value = map[u]
next if value == 0 && (empty == OnEmpty::skip || (empty == OnEmpty::minor && !started))
first = true if !started
started = true
fmt = if first
'%d'
elsif Unit::from(:s..:h) === u
fmt2
elsif Unit::from(:ns..:ms) === u
fmt3
else
'%d'
end
item = Kernel::format fmt, value
result << item + u.to_s
first = false
end
result = result.join(delim).strip
if sgn < 0
case minus
when Proc
result = minus[result]
when String
result = minus + delim + result
end
end
result
end
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