47 lines
820 B
Go
47 lines
820 B
Go
package expr
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/PaesslerAG/gval"
|
|
)
|
|
|
|
func StringFunctions() []gval.Language {
|
|
return []gval.Language{
|
|
gval.Function("trim", strings.TrimSpace),
|
|
gval.Function("trimLeft", strings.TrimLeft),
|
|
gval.Function("trimRight", strings.TrimRight),
|
|
gval.Function("length", length),
|
|
gval.Function("toLower", strings.ToLower),
|
|
gval.Function("toUpper", strings.ToUpper),
|
|
gval.Function("shortest", shortest),
|
|
gval.Function("longest", longest),
|
|
gval.Function("format", fmt.Sprintf),
|
|
}
|
|
}
|
|
|
|
func shortest(f string, aa ...string) string {
|
|
for _, s := range aa {
|
|
if len(f) > len(s) {
|
|
f = s
|
|
}
|
|
}
|
|
|
|
return f
|
|
}
|
|
|
|
func longest(f string, aa ...string) string {
|
|
for _, s := range aa {
|
|
if len(f) < len(s) {
|
|
f = s
|
|
}
|
|
}
|
|
|
|
return f
|
|
}
|
|
|
|
func length(s string) int {
|
|
return len(s)
|
|
}
|