1 package ansiterm
2
3 type escapeState struct {
4 baseState
5 }
6
7 func (escState escapeState) Handle(b byte) (s state, e error) {
8 escState.parser.logf("escapeState::Handle %#x", b)
9 nextState, err := escState.baseState.Handle(b)
10 if nextState != nil || err != nil {
11 return nextState, err
12 }
13
14 switch {
15 case b == ANSI_ESCAPE_SECONDARY:
16 return escState.parser.csiEntry, nil
17 case b == ANSI_OSC_STRING_ENTRY:
18 return escState.parser.oscString, nil
19 case sliceContains(executors, b):
20 return escState, escState.parser.execute()
21 case sliceContains(escapeToGroundBytes, b):
22 return escState.parser.ground, nil
23 case sliceContains(intermeds, b):
24 return escState.parser.escapeIntermediate, nil
25 }
26
27 return escState, nil
28 }
29
30 func (escState escapeState) Transition(s state) error {
31 escState.parser.logf("Escape::Transition %s --> %s", escState.Name(), s.Name())
32 escState.baseState.Transition(s)
33
34 switch s {
35 case escState.parser.ground:
36 return escState.parser.escDispatch()
37 case escState.parser.escapeIntermediate:
38 return escState.parser.collectInter()
39 }
40
41 return nil
42 }
43
44 func (escState escapeState) Enter() error {
45 escState.parser.clear()
46 return nil
47 }
48
View as plain text