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package logr
import (
"sync"
)
// CustomFilter allows targets to enable logging via a list of levels.
type CustomFilter struct {
mux sync.RWMutex
levels map[LevelID]Level
}
// IsEnabled returns true if the specified Level exists in this list.
func (st *CustomFilter) IsEnabled(level Level) bool {
st.mux.RLock()
defer st.mux.RUnlock()
_, ok := st.levels[level.ID]
return ok
}
// IsStacktraceEnabled returns true if the specified Level requires a stack trace.
func (st *CustomFilter) IsStacktraceEnabled(level Level) bool {
st.mux.RLock()
defer st.mux.RUnlock()
lvl, ok := st.levels[level.ID]
if ok {
return lvl.Stacktrace
}
return false
}
// Add adds one or more levels to the list. Adding a level enables logging for
// that level on any targets using this CustomFilter.
func (st *CustomFilter) Add(levels ...Level) {
st.mux.Lock()
defer st.mux.Unlock()
if st.levels == nil {
st.levels = make(map[LevelID]Level)
}
for _, s := range levels {
st.levels[s.ID] = s
}
}
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