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https://gitlab.com/pulsechaincom/go-pulse.git
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39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
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// Copyright (c) 2014-2015 The Notify Authors. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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// +build windows
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package notify
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// eventmask uses ei to create a new event which contains internal flags used by
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// notify package logic. If one of FileAction* masks is detected, this function
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// adds corresponding FileNotifyChange* values. This allows non registered
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// FileAction* events to be passed on.
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func eventmask(ei EventInfo, extra Event) (e Event) {
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if e = ei.Event() | extra; e&fileActionAll != 0 {
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if ev, ok := ei.(*event); ok {
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switch ev.ftype {
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case fTypeFile:
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e |= FileNotifyChangeFileName
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case fTypeDirectory:
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e |= FileNotifyChangeDirName
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case fTypeUnknown:
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e |= fileNotifyChangeModified
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}
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return e &^ fileActionAll
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}
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}
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return
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}
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// matches reports a match only when:
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//
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// - for user events, when event is present in the given set
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// - for internal events, when additionally both event and set have omit bit set
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//
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// Internal events must not be sent to user channels and vice versa.
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func matches(set, event Event) bool {
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return (set&omit)^(event&omit) == 0 && (set&event == event || set&fileNotifyChangeModified&event != 0)
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}
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