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6fe2703665
* Remove `make updatedeps` from Travis build. We'll follow up with more specific plans around dependency updating in subsequent PRs. * Update all `make` targets to set `GO15VENDOREXPERIMENT=1` and to filter out `/vendor/` from `./...` where appropriate. * Temporarily remove `vet` from the `make test` target until we can figure out how to get it to not vet `vendor/`. (Initial experimentation failed to yield the proper incantation.) Everything is pinned to current master, with the exception of: * Azure/azure-sdk-for-go which is pinned before the breaking change today * aws/aws-sdk-go which is pinned to the most recent tag The documentation still needs to be updated, which we can do in a follow up PR. The goal here is to unblock release.
97 lines
2.1 KiB
Go
97 lines
2.1 KiB
Go
package iso8601
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import (
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"errors"
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"fmt"
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"regexp"
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"strconv"
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"time"
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)
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var (
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// ErrBadFormat is returned when parsing fails
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ErrBadFormat = errors.New("bad format string")
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// ErrNoMonth is raised when a month is in the format string
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ErrNoMonth = errors.New("no months allowed")
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full = regexp.MustCompile(`P((?P<year>\d+)Y)?((?P<month>\d+)M)?((?P<day>\d+)D)?(T((?P<hour>\d+)H)?((?P<minute>\d+)M)?((?P<second>\d+)S)?)?`)
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week = regexp.MustCompile(`P((?P<week>\d+)W)`)
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)
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// adapted from https://github.com/BrianHicks/finch/duration
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func ParseDuration(value string) (time.Duration, error) {
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var match []string
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var regex *regexp.Regexp
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if week.MatchString(value) {
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match = week.FindStringSubmatch(value)
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regex = week
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} else if full.MatchString(value) {
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match = full.FindStringSubmatch(value)
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regex = full
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} else {
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return time.Duration(0), ErrBadFormat
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}
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d := time.Duration(0)
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day := time.Hour * 24
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week := day * 7
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year := day * 365
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for i, name := range regex.SubexpNames() {
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part := match[i]
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if i == 0 || name == "" || part == "" {
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continue
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}
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value, err := strconv.Atoi(part)
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if err != nil {
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return time.Duration(0), err
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}
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switch name {
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case "year":
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d += year * time.Duration(value)
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case "month":
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return time.Duration(0), ErrNoMonth
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case "week":
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d += week * time.Duration(value)
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case "day":
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d += day * time.Duration(value)
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case "hour":
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d += time.Hour * time.Duration(value)
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case "minute":
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d += time.Minute * time.Duration(value)
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case "second":
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d += time.Second * time.Duration(value)
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}
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}
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return d, nil
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}
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func FormatDuration(duration time.Duration) string {
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// we're not doing negative durations
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if duration.Seconds() <= 0 {
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return "PT0S"
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}
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hours := int(duration.Hours())
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minutes := int(duration.Minutes()) - (hours * 60)
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seconds := int(duration.Seconds()) - (hours*3600 + minutes*60)
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// we're not doing Y,M,W
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s := "PT"
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if hours > 0 {
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s = fmt.Sprintf("%s%dH", s, hours)
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}
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if minutes > 0 {
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s = fmt.Sprintf("%s%dM", s, minutes)
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}
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if seconds > 0 {
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s = fmt.Sprintf("%s%dS", s, seconds)
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}
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return s
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}
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