49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package ansiterm
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type CsiEntryState struct {
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BaseState
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}
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func (csiState CsiEntryState) Handle(b byte) (s State, e error) {
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logger.Infof("CsiEntry::Handle %#x", b)
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nextState, err := csiState.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 sliceContains(Alphabetics, b):
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return csiState.parser.Ground, nil
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case sliceContains(CsiCollectables, b):
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return csiState.parser.CsiParam, nil
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case sliceContains(Executors, b):
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return csiState, csiState.parser.execute()
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}
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return csiState, nil
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}
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func (csiState CsiEntryState) Transition(s State) error {
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logger.Infof("CsiEntry::Transition %s --> %s", csiState.Name(), s.Name())
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csiState.BaseState.Transition(s)
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switch s {
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case csiState.parser.Ground:
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return csiState.parser.csiDispatch()
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case csiState.parser.CsiParam:
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switch {
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case sliceContains(CsiParams, csiState.parser.context.currentChar):
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csiState.parser.collectParam()
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case sliceContains(Intermeds, csiState.parser.context.currentChar):
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csiState.parser.collectInter()
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}
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}
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return nil
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}
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func (csiState CsiEntryState) Enter() error {
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csiState.parser.clear()
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return nil
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}
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