1 package ansiterm
2
3 type csiParamState struct {
4 baseState
5 }
6
7 func (csiState csiParamState) Handle(b byte) (s state, e error) {
8 csiState.parser.logf("CsiParam::Handle %#x", b)
9
10 nextState, err := csiState.baseState.Handle(b)
11 if nextState != nil || err != nil {
12 return nextState, err
13 }
14
15 switch {
16 case sliceContains(alphabetics, b):
17 return csiState.parser.ground, nil
18 case sliceContains(csiCollectables, b):
19 csiState.parser.collectParam()
20 return csiState, nil
21 case sliceContains(executors, b):
22 return csiState, csiState.parser.execute()
23 }
24
25 return csiState, nil
26 }
27
28 func (csiState csiParamState) Transition(s state) error {
29 csiState.parser.logf("CsiParam::Transition %s --> %s", csiState.Name(), s.Name())
30 csiState.baseState.Transition(s)
31
32 switch s {
33 case csiState.parser.ground:
34 return csiState.parser.csiDispatch()
35 }
36
37 return nil
38 }
39
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