| package ansiterm |
| |
| type EscapeState struct { |
| BaseState |
| } |
| |
| func (escState EscapeState) Handle(b byte) (s State, e error) { |
| logger.Infof("EscapeState::Handle %#x", b) |
| nextState, err := escState.BaseState.Handle(b) |
| if nextState != nil || err != nil { |
| return nextState, err |
| } |
| |
| switch { |
| case b == ANSI_ESCAPE_SECONDARY: |
| return escState.parser.CsiEntry, nil |
| case b == ANSI_OSC_STRING_ENTRY: |
| return escState.parser.OscString, nil |
| case sliceContains(Executors, b): |
| return escState, escState.parser.execute() |
| case sliceContains(EscapeToGroundBytes, b): |
| return escState.parser.Ground, nil |
| case sliceContains(Intermeds, b): |
| return escState.parser.EscapeIntermediate, nil |
| } |
| |
| return escState, nil |
| } |
| |
| func (escState EscapeState) Transition(s State) error { |
| logger.Infof("Escape::Transition %s --> %s", escState.Name(), s.Name()) |
| escState.BaseState.Transition(s) |
| |
| switch s { |
| case escState.parser.Ground: |
| return escState.parser.escDispatch() |
| case escState.parser.EscapeIntermediate: |
| return escState.parser.collectInter() |
| } |
| |
| return nil |
| } |
| |
| func (escState EscapeState) Enter() error { |
| escState.parser.clear() |
| return nil |
| } |