50 lines
1.2 KiB
Go
50 lines
1.2 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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csiState.parser.logf("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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csiState.parser.logf("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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