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// Copyright (c) 2014-2015 The Notify Authors. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.

// +build darwin,!kqueue

package notify

const (
    osSpecificCreate = Event(FSEventsCreated)
    osSpecificRemove = Event(FSEventsRemoved)
    osSpecificWrite  = Event(FSEventsModified)
    osSpecificRename = Event(FSEventsRenamed)
    // internal = Event(0x100000)
    // recursive is used to distinguish recursive eventsets from non-recursive ones
    recursive = Event(0x200000)
    // omit is used for dispatching internal events; only those events are sent
    // for which both the event and the watchpoint has omit in theirs event sets.
    omit = Event(0x400000)
)

// FSEvents specific event values.
const (
    FSEventsMustScanSubDirs Event = 0x00001
    FSEventsUserDropped           = 0x00002
    FSEventsKernelDropped         = 0x00004
    FSEventsEventIdsWrapped       = 0x00008
    FSEventsHistoryDone           = 0x00010
    FSEventsRootChanged           = 0x00020
    FSEventsMount                 = 0x00040
    FSEventsUnmount               = 0x00080
    FSEventsCreated               = 0x00100
    FSEventsRemoved               = 0x00200
    FSEventsInodeMetaMod          = 0x00400
    FSEventsRenamed               = 0x00800
    FSEventsModified              = 0x01000
    FSEventsFinderInfoMod         = 0x02000
    FSEventsChangeOwner           = 0x04000
    FSEventsXattrMod              = 0x08000
    FSEventsIsFile                = 0x10000
    FSEventsIsDir                 = 0x20000
    FSEventsIsSymlink             = 0x40000
)

var osestr = map[Event]string{
    FSEventsMustScanSubDirs: "notify.FSEventsMustScanSubDirs",
    FSEventsUserDropped:     "notify.FSEventsUserDropped",
    FSEventsKernelDropped:   "notify.FSEventsKernelDropped",
    FSEventsEventIdsWrapped: "notify.FSEventsEventIdsWrapped",
    FSEventsHistoryDone:     "notify.FSEventsHistoryDone",
    FSEventsRootChanged:     "notify.FSEventsRootChanged",
    FSEventsMount:           "notify.FSEventsMount",
    FSEventsUnmount:         "notify.FSEventsUnmount",
    FSEventsInodeMetaMod:    "notify.FSEventsInodeMetaMod",
    FSEventsFinderInfoMod:   "notify.FSEventsFinderInfoMod",
    FSEventsChangeOwner:     "notify.FSEventsChangeOwner",
    FSEventsXattrMod:        "notify.FSEventsXattrMod",
    FSEventsIsFile:          "notify.FSEventsIsFile",
    FSEventsIsDir:           "notify.FSEventsIsDir",
    FSEventsIsSymlink:       "notify.FSEventsIsSymlink",
}

type event struct {
    fse   FSEvent
    event Event
}

func (ei *event) Event() Event         { return ei.event }
func (ei *event) Path() string         { return ei.fse.Path }
func (ei *event) Sys() interface{}     { return &ei.fse }
func (ei *event) isDir() (bool, error) { return ei.fse.Flags&FSEventsIsDir != 0, nil }