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moby--moby/vendor/github.com/Azure/go-ansiterm/escape_state.go
Alexander Morozov f2614f2107 project: use vndr for vendoring
Signed-off-by: Alexander Morozov <lk4d4@docker.com>
2016-11-03 15:31:46 -07:00

47 lines
1.1 KiB
Go

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
}