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116 lines
3.0 KiB
JavaScript
116 lines
3.0 KiB
JavaScript
/*
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* constants.js
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* Objective-J
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*
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* Created by Francisco Tolmasky.
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* Copyright 2008, 280 North, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// Objective-J Constants
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var NO = false,
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YES = true,
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nil = null,
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Nil = null,
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NULL = null,
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// In IE, it is much faster to call these global methods than their Math. equivalents.
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// We var them in order to make them DontDelete globals, which are known to be much faster in Safari.
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ABS = Math.abs,
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ASIN = Math.asin,
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ACOS = Math.acos,
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ATAN = Math.atan,
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ATAN2 = Math.atan2,
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SIN = Math.sin,
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COS = Math.cos,
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TAN = Math.tan,
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EXP = Math.exp,
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POW = Math.pow,
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CEIL = Math.ceil,
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FLOOR = Math.floor,
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ROUND = Math.round,
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MIN = Math.min,
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MAX = Math.max,
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RAND = Math.random,
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SQRT = Math.sqrt,
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E = Math.E,
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LN2 = Math.LN2,
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LN10 = Math.LN10,
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LOG2E = Math.LOG2E,
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LOG10E = Math.LOG10E,
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PI = Math.PI,
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PI2 = Math.PI * 2.0,
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PI_2 = Math.PI / 2.0,
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SQRT1_2 = Math.SQRT1_2,
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SQRT2 = Math.SQRT2;
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window.setNativeTimeout = window.setTimeout;
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window.clearNativeTimeout = window.clearTimeout;
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window.setNativeInterval = window.setInterval;
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window.clearNativeInterval = window.clearInterval;
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// Detecting Browser Features
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#define ACTIVE_X window.ActiveXObject
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#define OPERA window.opera
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#define NATIVE_XMLHTTPREQUEST window.XMLHttpRequest
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#define IF(FEATURE) if (FEATURE) {
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#define ELSE } else {
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#define ELIF(FEATURE) } else if (FEATURE) {
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#define ENDIF }
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//
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// FIXME: Should we just override normal alerts?
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var objj_continue_alerting = NO;
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function objj_alert(aString)
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{
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if (!objj_continue_alerting)
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return;
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objj_continue_alerting = confirm(aString + "\n\nClick cancel to prevent further alerts.");
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}
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function objj_fprintf(stream, string)
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{
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stream(string);
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}
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function objj_printf(string)
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{
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objj_fprintf(alert, string);
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}
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#if RHINO
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var warning_stream = function (aString) { Packages.java.lang.System.out.println(aString) };
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#else
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if (window.console && window.console.warn)
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var warning_stream = function(aString) { window.console.warn(aString); }
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else
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var warning_stream = function(){};
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#endif
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