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minor: x/jsonx.ParseISO8601

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more features designed for the past 2-3 months to come, this is just a hotfix
This commit is contained in:
Gerasimos (Makis) Maropoulos 2024-04-08 20:39:29 +03:00
parent 19a72ddc84
commit 1d106d80a7
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GPG Key ID: D6032D1840F48BEC
1 changed files with 52 additions and 52 deletions
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104
x/jsonx/iso8601.go
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@ -75,68 +75,68 @@ func ParseISO8601(s string) (ISO8601, error) {
err error
)
// Check if the string contains a timezone offset after the 'T' character.
hasOffset := strings.Contains(s, "Z") || (strings.Index(s, "+") > strings.Index(s, "T")) || (strings.Index(s, "-") > strings.Index(s, "T"))
switch {
case strings.HasSuffix(s, "Z"):
tt, err = time.Parse(ISO8601LayoutWithTimezone, s)
case hasOffset && strings.Contains(s, "."):
tt, err = time.Parse(ISO8601ZUTCOffsetLayoutWithMicroseconds, s)
case hasOffset:
tt, err = parseWithOffset(s)
default:
tt, err = time.Parse(ISO8601Layout, s)
}
if err != nil {
return ISO8601{}, fmt.Errorf("ISO8601: %w", err)
}
return ISO8601(tt), nil
/*
if idx := strings.LastIndexFunc(s, startUTCOffsetIndexFunc); idx > 18 { // should have some distance, with and without milliseconds
length := parseSignedOffset(s[idx:])
// Check if the string contains a timezone offset after the 'T' character.
hasOffset := strings.Contains(s, "Z") || (strings.Index(s, "+") > strings.Index(s, "T")) || (strings.Index(s, "-") > strings.Index(s, "T"))
if idx+1 > idx+length || len(s) <= idx+length+1 {
return ISO8601{}, fmt.Errorf("ISO8601: invalid timezone format: %s", s[idx:])
}
offsetText := s[idx+1 : idx+length]
offset, parseErr := strconv.Atoi(offsetText)
if parseErr != nil {
return ISO8601{}, fmt.Errorf("ISO8601: %w", parseErr)
}
// E.g. offset of +0300 is returned as 10800 which is - (3 * 60 * 60).
secondsEastUTC := offset * 60 * 60
// fmt.Printf("parsing %s with offset %s, secondsEastUTC: %d, using time layout: %s\n", s, offsetText, secondsEastUTC, ISO8601ZUTCOffsetLayoutWithMicroseconds)
if loc, ok := fixedEastUTCLocations[secondsEastUTC]; ok { // Specific (fixed) zone.
if strings.Contains(s, ".") {
tt, err = time.ParseInLocation(ISO8601ZUTCOffsetLayoutWithMicroseconds, s, loc)
} else {
tt, err = time.ParseInLocation(ISO8601ZUTCOffsetLayout, s, loc)
}
} else { // Local or UTC.
if strings.Contains(s, ".") {
tt, err = time.Parse(ISO8601ZUTCOffsetLayoutWithMicroseconds, s)
} else {
tt, err = time.Parse(ISO8601ZUTCOffsetLayout, s)
}
}
} else if s[len(s)-1] == 'Z' {
tt, err = time.Parse(ISO8601ZLayout, s)
} else {
switch {
case strings.HasSuffix(s, "Z"):
tt, err = time.Parse(ISO8601LayoutWithTimezone, s)
case hasOffset && strings.Contains(s, "."):
tt, err = time.Parse(ISO8601ZUTCOffsetLayoutWithMicroseconds, s)
case hasOffset:
tt, err = parseWithOffset(s)
default:
tt, err = time.Parse(ISO8601Layout, s)
}
if err != nil {
return ISO8601{}, fmt.Errorf("ISO8601: %w", err)
}
return ISO8601(tt), nil
*/
if idx := strings.LastIndexFunc(s, startUTCOffsetIndexFunc); idx > 18 { // should have some distance, with and without milliseconds
length := parseSignedOffset(s[idx:])
if idx+1 > idx+length || len(s) <= idx+length+1 {
return ISO8601{}, fmt.Errorf("ISO8601: invalid timezone format: %s", s[idx:])
}
offsetText := s[idx+1 : idx+length]
offset, parseErr := strconv.Atoi(offsetText)
if parseErr != nil {
return ISO8601{}, fmt.Errorf("ISO8601: %w", parseErr)
}
// E.g. offset of +0300 is returned as 10800 which is - (3 * 60 * 60).
secondsEastUTC := offset * 60 * 60
// fmt.Printf("parsing %s with offset %s, secondsEastUTC: %d, using time layout: %s\n", s, offsetText, secondsEastUTC, ISO8601ZUTCOffsetLayoutWithMicroseconds)
if loc, ok := fixedEastUTCLocations[secondsEastUTC]; ok { // Specific (fixed) zone.
if strings.Contains(s, ".") {
tt, err = time.ParseInLocation(ISO8601ZUTCOffsetLayoutWithMicroseconds, s, loc)
} else {
tt, err = time.ParseInLocation(ISO8601ZUTCOffsetLayoutWithoutMicroseconds, s, loc)
}
} else { // Local or UTC.
if strings.Contains(s, ".") {
tt, err = time.Parse(ISO8601ZUTCOffsetLayoutWithMicroseconds, s)
} else {
tt, err = time.Parse(ISO8601ZUTCOffsetLayoutWithoutMicroseconds, s)
}
}
} else if s[len(s)-1] == 'Z' {
tt, err = time.Parse(ISO8601LayoutWithTimezone, s)
} else {
tt, err = time.Parse(ISO8601Layout, s)
}
if err != nil {
return ISO8601{}, fmt.Errorf("ISO8601: %w", err)
}
return ISO8601(tt), nil
}
func parseWithOffset(s string) (time.Time, error) {