Files
postmoogle/vendor/github.com/jhillyerd/enmime/internal/stringutil/split.go
2022-11-16 12:08:51 +02:00

46 lines
1.2 KiB
Go

package stringutil
const escape = '\\'
// SplitUnquoted slices s into all substrings separated by sep and returns a slice of
// the substrings between those separators.
//
// If s does not contain sep and sep is not empty, SplitUnquoted returns a
// slice of length 1 whose only element is s.
//
// It ignores sep present inside quoted runs.
func SplitUnquoted(s string, sep rune, quote rune) []string {
return splitUnquoted(s, sep, quote, false)
}
// SplitAfterUnquoted slices s into all substrings after each instance of sep and
// returns a slice of those substrings.
//
// If s does not contain sep and sep is not empty, SplitAfterUnquoted returns
// a slice of length 1 whose only element is s.
//
// It ignores sep present inside quoted runs.
func SplitAfterUnquoted(s string, sep rune, quote rune) []string {
return splitUnquoted(s, sep, quote, true)
}
func splitUnquoted(s string, sep rune, quote rune, preserveSep bool) []string {
ixs := FindUnquoted(s, sep, quote)
if len(ixs) == 0 {
return []string{s}
}
start := 0
result := make([]string, 0, len(ixs)+1)
for _, ix := range ixs {
end := ix
if preserveSep {
end++
}
result = append(result, s[start:end])
start = ix + 1
}
return append(result, s[start:])
}