48 lines
1.1 KiB
Go
48 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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