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62 lines
1.4 KiB
62 lines
1.4 KiB
package strings
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import (
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"fmt"
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"strings"
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)
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// SplitAndTrimEmpty slices s into all subslices separated by sep and returns a
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// slice of the string s with all leading and trailing Unicode code points
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// contained in cutset removed. If sep is empty, SplitAndTrim splits after each
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// UTF-8 sequence. First part is equivalent to strings.SplitN with a count of
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// -1. also filter out empty strings, only return non-empty strings.
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func SplitAndTrimEmpty(s, sep, cutset string) []string {
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if s == "" {
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return []string{}
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}
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spl := strings.Split(s, sep)
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nonEmptyStrings := make([]string, 0, len(spl))
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for i := 0; i < len(spl); i++ {
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element := strings.Trim(spl[i], cutset)
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if element != "" {
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nonEmptyStrings = append(nonEmptyStrings, element)
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}
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}
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return nonEmptyStrings
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}
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// ASCIITrim removes spaces from an a ASCII string, erroring if the
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// sequence is not an ASCII string.
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func ASCIITrim(s string) (string, error) {
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if len(s) == 0 {
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return "", nil
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}
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r := make([]byte, 0, len(s))
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for _, b := range []byte(s) {
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switch {
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case b == 32:
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continue // skip space
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case 32 < b && b <= 126:
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r = append(r, b)
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default:
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return "", fmt.Errorf("non-ASCII (non-tab) char 0x%X", b)
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}
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}
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return string(r), nil
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}
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// StringSliceEqual checks if string slices a and b are equal
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func StringSliceEqual(a, b []string) bool {
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if len(a) != len(b) {
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return false
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}
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for i := 0; i < len(a); i++ {
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if a[i] != b[i] {
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return false
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}
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}
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return true
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}
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