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v/vlib/time/parse.v

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// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module time
// parse returns time from a date string in "YYYY-MM-DD HH:MM:SS" format.
pub fn parse(s string) ?Time {
pos := s.index(' ') or {
return error('Invalid time format: $s')
}
symd := s[..pos]
ymd := symd.split('-')
if ymd.len != 3 {
return error('Invalid time format: $s')
}
shms := s[pos..]
hms := shms.split(':')
hour := hms[0][1..]
minute := hms[1]
second := hms[2]
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res := new_time(Time{
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year: ymd[0].int()
month: ymd[1].int()
day: ymd[2].int()
hour: hour.int()
minute: minute.int()
second: second.int()
})
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return res
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}
// parse_rfc2822 returns time from a date string in RFC 2822 datetime format.
pub fn parse_rfc2822(s string) ?Time {
fields := s.split(' ')
if fields.len < 5 {
return error('Invalid time format: $s')
}
pos := months_string.index(fields[2]) or {
return error('Invalid time format: $s')
}
mm := pos / 3 + 1
mut tmstr := byteptr(0)
unsafe { tmstr = malloc(s.len * 2) }
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count := C.sprintf(charptr(tmstr), '%s-%02d-%s %s', fields[3].str, mm,
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fields[1].str, fields[4].str)
t := parse(tos(tmstr, count)) or {
// FIXME Remove this when optional forwarding is fixed.
return error('Invalid time format: $s')
}
return t
}