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