PNG  IHDR pHYs   OiCCPPhotoshop ICC profilexڝSgTS=BKKoR RB&*! J!QEEȠQ, !{kּ> H3Q5 B.@ $pd!s#~<<+"x M0B\t8K@zB@F&S`cbP-`'{[! eDh;VEX0fK9-0IWfH  0Q){`##xFW<+*x<$9E[-qWW.(I+6aa@.y24x6_-"bbϫp@t~,/;m%h^ uf@Wp~<5j>{-]cK'Xto(hw?G%fIq^D$.Tʳ?D*A, `6B$BB dr`)B(Ͱ*`/@4Qhp.U=pa( Aa!ڈbX#!H$ ɈQ"K5H1RT UH=r9\F;2G1Q= C7F dt1r=6Ыhڏ>C03l0.B8, c˱" VcϱwE 6wB aAHXLXNH $4 7 Q'"K&b21XH,#/{C7$C2'ITFnR#,4H#dk9, +ȅ3![ b@qS(RjJ4e2AURݨT5ZBRQ4u9̓IKhhitݕNWGw Ljg(gwLӋT071oUX**| J&*/Tު UUT^S}FU3S ԖUPSSg;goT?~YYLOCQ_ cx,!k u5&|v*=9C3J3WRf?qtN (~))4L1e\kXHQG6EYAJ'\'GgSSݧ M=:.kDwn^Loy}/TmG X $ <5qo</QC]@Caaᄑ.ȽJtq]zۯ6iܟ4)Y3sCQ? 0k߬~OCOg#/c/Wװwa>>r><72Y_7ȷOo_C#dz%gA[z|!?:eAAA!h쐭!ΑiP~aa~ 'W?pX15wCsDDDޛg1O9-J5*>.j<74?.fYXXIlK9.*6nl {/]py.,:@LN8A*%w% yg"/6шC\*NH*Mz쑼5y$3,幄'L Lݛ:v m2=:1qB!Mggfvˬen/kY- BTZ(*geWf͉9+̳ې7ᒶKW-X潬j9(xoʿܔĹdff-[n ڴ VE/(ۻCɾUUMfeI?m]Nmq#׹=TR+Gw- 6 U#pDy  :v{vg/jBFS[b[O>zG499?rCd&ˮ/~јѡ򗓿m|x31^VwwO| (hSЧc3- cHRMz%u0`:o_F@8N ' p @8N@8}' p '#@8N@8N pQ9p!i~}|6-ӪG` VP.@*j>[ K^<֐Z]@8N'KQ<Q(`s" 'hgpKB`R@Dqj '  'P$a ( `D$Na L?u80e J,K˷NI'0eݷ(NI'؀ 2ipIIKp`:O'`ʤxB8Ѥx Ѥx $ $P6 :vRNb 'p,>NB 'P]-->P T+*^h& p '‰a ‰ (ĵt#u33;Nt̵'ޯ; [3W ~]0KH1q@8]O2]3*̧7# *p>us p _6]/}-4|t'|Smx= DoʾM×M_8!)6lq':l7!|4} '\ne t!=hnLn (~Dn\+‰_4k)0e@OhZ`F `.m1} 'vp{F`ON7Srx 'D˸nV`><;yMx!IS钦OM)Ե٥x 'DSD6bS8!" ODz#R >S8!7ّxEh0m$MIPHi$IvS8IN$I p$O8I,sk&I)$IN$Hi$I^Ah.p$MIN$IR8I·N "IF9Ah0m$MIN$IR8IN$I 3jIU;kO$ɳN$+ q.x* tEXtComment

Viewing File: /opt/passenger/src/nodejs_supportlib/phusion_passenger/line_reader.js

/*
 *  Phusion Passenger - https://www.phusionpassenger.com/
 *  Copyright (c) 2012-2025 Asynchronous B.V.
 *
 *  "Passenger", "Phusion Passenger" and "Union Station" are registered
 *  trademarks of Asynchronous B.V.
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */

/**
 * Class for reading a stream line-by-line.
 * Usage:
 *
 * reader = new LineReader(stream);
 * reader.readLine(function(line) {
 *     ...
 *     // When done:
 *     reader.close();
 * });
 */
function LineReader(stream) {
	var self = this;
	this.stream = stream;

	this.buffer = '';
	this.lines = [];
	this.callbacks = [];
	this.paused = false;

	function handleLineBuffer() {
		var line, callback;

		if (self.lineBufferIsFull()) {
			stream.pause();
			self.paused = true;
		}

		while (self.buffer != undefined && self.lines.length > 0 && self.callbacks.length > 0) {
			line = self.lines.shift();
			callback = self.callbacks.shift();
			callback(line);
		}

		self._autoPauseOrResume();
	}

	function onData(data) {
		var index, line;

		if (self.buffer == undefined) {
			// Already closed.
			return;
		}

		self.buffer += data;
		while ((index = self.buffer.indexOf("\n")) != -1) {
			line = self.buffer.substr(0, index + 1);
			self.buffer = self.buffer.substr(index + 1);
			self.lines.push(line);
		}
		handleLineBuffer();
	}

	function onEnd() {
		if (self.buffer != undefined) {
			self.lines.push(self.buffer);
			self.buffer = '';
			self.eof = true;
			handleLineBuffer();
		}
	}

	this.onData = onData;
	this.onEnd  = onEnd;
	stream.on('data', onData);
	stream.on('end', onEnd);
	stream.resume();
}

LineReader.prototype.close = function() {
	this.stream.removeListener('data', this.onData);
	this.stream.removeListener('end', this.onEnd);
	this._pause();
	this.buffer = undefined;
	this.lines = undefined;
};

LineReader.prototype.isClosed = function() {
	return this.buffer === undefined;
};

LineReader.prototype.endReached = function() {
	return this.eof;
};

LineReader.prototype.lineBufferIsFull = function() {
	return this.lines.length > 0;
};

LineReader.prototype.readLine = function(callback) {
	if (this.lines.length > 0) {
		var line = this.lines.shift();
		if (!this.lineBufferIsFull() && this.paused) {
			this.paused = false;
			this.stream.resume();
		}
		callback(line);
		this._autoPauseOrResume();
	} else if (this.eof) {
		callback(undefined);
	} else {
		this.callbacks.push(callback);
	}
};

LineReader.prototype._autoPauseOrResume = function() {
	if (this.buffer != undefined) {
		if (this.lineBufferIsFull() || this.eof) {
			this._pause();
		} else {
			this._resume();
		}
	}
};

LineReader.prototype._pause = function() {
	if (!this.paused) {
		this.paused = true;
		this.stream.pause();
	}
};

LineReader.prototype._resume = function() {
	if (this.paused) {
		this.paused = false;
		this.stream.resume();
	}
};

exports.LineReader = LineReader;
Back to Directory=ceiIENDB`