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package server
import (
"strings"
)
func varGet(r *request, name string) {
if v, ok := r.c.s.env.Find(name); ok {
r.Print(v)
} else {
r.Fatal("no such variable")
}
}
func varSet(r *request, name string, args ...string) {
value := strings.Join(args, " ")
if err := r.c.s.env.Set(name, value); err != nil {
r.Fatal(err)
}
}
func varPush(r *request, name string, args ...string) {
value := strings.Join(args, " ")
if err := r.c.s.env.Push(name, value); err != nil {
r.Fatal(err)
}
}
func varUnset(r *request, name string) {
if !r.c.s.env.Del(name) {
r.Fatal("no such variable")
}
}
func varShow(r *request) {
r.c.s.env.Each(func(k string, v string) bool {
r.Println(k, v)
return true
})
}
func varClear(r *request) {
r.c.s.env.Clear()
}
func init() {
newCmd("get", varGet, "name")
newCmd("set", varSet, "name value")
newCmd("push", varPush, "name value")
newCmd("unset", varUnset, "name")
newCmd("env", varShow, "name")
newCmd("clear", varClear, "")
}
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