lepu-test-platform-web/node_modules/tar/lib/buffer-entry.js

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// just like the Entry class, but it buffers the contents
//
// XXX It would be good to set a maximum BufferEntry filesize,
// since it eats up memory. In normal operation,
// these are only for long filenames or link names, which are
// rarely very big.
module.exports = BufferEntry
var inherits = require("inherits")
, Entry = require("./entry.js")
function BufferEntry () {
Entry.apply(this, arguments)
this._buffer = new Buffer(this.props.size)
this._offset = 0
this.body = ""
this.on("end", function () {
this.body = this._buffer.toString().slice(0, -1)
})
}
inherits(BufferEntry, Entry)
// collect the bytes as they come in.
BufferEntry.prototype.write = function (c) {
c.copy(this._buffer, this._offset)
this._offset += c.length
Entry.prototype.write.call(this, c)
}