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// A reader for when we don't yet know what kind of thing
// the thing is.
module.exports = ProxyReader
var Reader = require("./reader.js")
, getType = require("./get-type.js")
, inherits = require("inherits")
, fs = require("graceful-fs")
inherits(ProxyReader, Reader)
function ProxyReader (props) {
var me = this
if (!(me instanceof ProxyReader)) throw new Error(
"ProxyReader must be called as constructor.")
me.props = props
me._buffer = []
me.ready = false
Reader.call(me, props)
}
ProxyReader.prototype._stat = function () {
var me = this
, props = me.props
// stat the thing to see what the proxy should be.
, stat = props.follow ? "stat" : "lstat"
fs[stat](props.path, function (er, current) {
var type
if (er || !current) {
type = "File"
} else {
type = getType(current)
}
props[type] = true
props.type = me.type = type
me._old = current
me._addProxy(Reader(props, current))
})
}
ProxyReader.prototype._addProxy = function (proxy) {
var me = this
if (me._proxyTarget) {
return me.error("proxy already set")
}
me._proxyTarget = proxy
proxy._proxy = me
; [ "error"
, "data"
, "end"
, "close"
, "linkpath"
, "entry"
, "entryEnd"
, "child"
, "childEnd"
, "warn"
, "stat"
].forEach(function (ev) {
// console.error("~~ proxy event", ev, me.path)
proxy.on(ev, me.emit.bind(me, ev))
})
me.emit("proxy", proxy)
proxy.on("ready", function () {
// console.error("~~ proxy is ready!", me.path)
me.ready = true
me.emit("ready")
})
var calls = me._buffer
me._buffer.length = 0
calls.forEach(function (c) {
proxy[c[0]].apply(proxy, c[1])
})
}
ProxyReader.prototype.pause = function () {
return this._proxyTarget ? this._proxyTarget.pause() : false
}
ProxyReader.prototype.resume = function () {
return this._proxyTarget ? this._proxyTarget.resume() : false
}
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