mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
2642 lines
89 KiB
JavaScript
2642 lines
89 KiB
JavaScript
"no use strict";
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!(function(window) {
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if (typeof window.window != "undefined" && window.document)
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return;
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if (window.require && window.define)
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return;
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if (!window.console) {
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window.console = function() {
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var msgs = Array.prototype.slice.call(arguments, 0);
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postMessage({type: "log", data: msgs});
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};
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window.console.error =
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window.console.warn =
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window.console.log =
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window.console.trace = window.console;
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}
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window.window = window;
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window.ace = window;
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window.onerror = function(message, file, line, col, err) {
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postMessage({type: "error", data: {
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message: message,
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data: err.data,
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file: file,
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line: line,
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col: col,
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stack: err.stack
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}});
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};
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window.normalizeModule = function(parentId, moduleName) {
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// normalize plugin requires
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if (moduleName.indexOf("!") !== -1) {
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var chunks = moduleName.split("!");
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return window.normalizeModule(parentId, chunks[0]) + "!" + window.normalizeModule(parentId, chunks[1]);
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}
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// normalize relative requires
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if (moduleName.charAt(0) == ".") {
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var base = parentId.split("/").slice(0, -1).join("/");
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moduleName = (base ? base + "/" : "") + moduleName;
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while (moduleName.indexOf(".") !== -1 && previous != moduleName) {
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var previous = moduleName;
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moduleName = moduleName.replace(/^\.\//, "").replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
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}
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}
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return moduleName;
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};
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window.require = function require(parentId, id) {
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if (!id) {
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id = parentId;
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parentId = null;
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}
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if (!id.charAt)
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throw new Error("worker.js require() accepts only (parentId, id) as arguments");
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id = window.normalizeModule(parentId, id);
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var module = window.require.modules[id];
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if (module) {
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if (!module.initialized) {
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module.initialized = true;
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module.exports = module.factory().exports;
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}
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return module.exports;
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}
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if (!window.require.tlns)
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return console.log("unable to load " + id);
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var path = resolveModuleId(id, window.require.tlns);
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if (path.slice(-3) != ".js") path += ".js";
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window.require.id = id;
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window.require.modules[id] = {}; // prevent infinite loop on broken modules
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importScripts(path);
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return window.require(parentId, id);
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};
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function resolveModuleId(id, paths) {
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var testPath = id, tail = "";
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while (testPath) {
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var alias = paths[testPath];
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if (typeof alias == "string") {
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return alias + tail;
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} else if (alias) {
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return alias.location.replace(/\/*$/, "/") + (tail || alias.main || alias.name);
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} else if (alias === false) {
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return "";
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}
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var i = testPath.lastIndexOf("/");
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if (i === -1) break;
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tail = testPath.substr(i) + tail;
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testPath = testPath.slice(0, i);
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}
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return id;
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}
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window.require.modules = {};
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window.require.tlns = {};
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window.define = function(id, deps, factory) {
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if (arguments.length == 2) {
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factory = deps;
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if (typeof id != "string") {
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deps = id;
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id = window.require.id;
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}
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} else if (arguments.length == 1) {
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factory = id;
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deps = [];
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id = window.require.id;
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}
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if (typeof factory != "function") {
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window.require.modules[id] = {
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exports: factory,
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initialized: true
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};
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return;
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}
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if (!deps.length)
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// If there is no dependencies, we inject "require", "exports" and
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// "module" as dependencies, to provide CommonJS compatibility.
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deps = ["require", "exports", "module"];
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var req = function(childId) {
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return window.require(id, childId);
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};
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window.require.modules[id] = {
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exports: {},
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factory: function() {
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var module = this;
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var returnExports = factory.apply(this, deps.slice(0, factory.length).map(function(dep) {
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switch (dep) {
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// Because "require", "exports" and "module" aren't actual
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// dependencies, we must handle them seperately.
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case "require": return req;
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case "exports": return module.exports;
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case "module": return module;
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// But for all other dependencies, we can just go ahead and
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// require them.
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default: return req(dep);
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}
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}));
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if (returnExports)
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module.exports = returnExports;
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return module;
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}
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};
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};
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window.define.amd = {};
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require.tlns = {};
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window.initBaseUrls = function initBaseUrls(topLevelNamespaces) {
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for (var i in topLevelNamespaces)
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require.tlns[i] = topLevelNamespaces[i];
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};
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window.initSender = function initSender() {
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var EventEmitter = window.require("ace/lib/event_emitter").EventEmitter;
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var oop = window.require("ace/lib/oop");
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var Sender = function() {};
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(function() {
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oop.implement(this, EventEmitter);
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this.callback = function(data, callbackId) {
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postMessage({
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type: "call",
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id: callbackId,
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data: data
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});
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};
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this.emit = function(name, data) {
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postMessage({
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type: "event",
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name: name,
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data: data
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});
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};
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}).call(Sender.prototype);
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return new Sender();
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};
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var main = window.main = null;
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var sender = window.sender = null;
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window.onmessage = function(e) {
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var msg = e.data;
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if (msg.event && sender) {
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sender._signal(msg.event, msg.data);
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}
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else if (msg.command) {
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if (main[msg.command])
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main[msg.command].apply(main, msg.args);
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else if (window[msg.command])
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window[msg.command].apply(window, msg.args);
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else
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throw new Error("Unknown command:" + msg.command);
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}
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else if (msg.init) {
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window.initBaseUrls(msg.tlns);
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sender = window.sender = window.initSender();
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var clazz = require(msg.module)[msg.classname];
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main = window.main = new clazz(sender);
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}
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};
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})(this);
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ace.define("ace/lib/oop",[], function(require, exports, module) {
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"use strict";
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exports.inherits = function(ctor, superCtor) {
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ctor.super_ = superCtor;
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ctor.prototype = Object.create(superCtor.prototype, {
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constructor: {
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value: ctor,
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enumerable: false,
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writable: true,
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configurable: true
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}
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});
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};
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exports.mixin = function(obj, mixin) {
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for (var key in mixin) {
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obj[key] = mixin[key];
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}
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return obj;
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};
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exports.implement = function(proto, mixin) {
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exports.mixin(proto, mixin);
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};
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});
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ace.define("ace/range",[], function(require, exports, module) {
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"use strict";
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var comparePoints = function(p1, p2) {
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return p1.row - p2.row || p1.column - p2.column;
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};
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var Range = function(startRow, startColumn, endRow, endColumn) {
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this.start = {
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row: startRow,
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column: startColumn
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};
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this.end = {
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row: endRow,
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column: endColumn
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};
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};
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(function() {
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this.isEqual = function(range) {
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return this.start.row === range.start.row &&
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this.end.row === range.end.row &&
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this.start.column === range.start.column &&
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this.end.column === range.end.column;
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};
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this.toString = function() {
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return ("Range: [" + this.start.row + "/" + this.start.column +
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"] -> [" + this.end.row + "/" + this.end.column + "]");
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};
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this.contains = function(row, column) {
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return this.compare(row, column) == 0;
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};
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this.compareRange = function(range) {
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var cmp,
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end = range.end,
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start = range.start;
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cmp = this.compare(end.row, end.column);
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if (cmp == 1) {
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cmp = this.compare(start.row, start.column);
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if (cmp == 1) {
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return 2;
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} else if (cmp == 0) {
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return 1;
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} else {
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return 0;
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}
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} else if (cmp == -1) {
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return -2;
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} else {
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cmp = this.compare(start.row, start.column);
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if (cmp == -1) {
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return -1;
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} else if (cmp == 1) {
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return 42;
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} else {
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return 0;
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}
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}
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};
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this.comparePoint = function(p) {
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return this.compare(p.row, p.column);
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};
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this.containsRange = function(range) {
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return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
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};
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this.intersects = function(range) {
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var cmp = this.compareRange(range);
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return (cmp == -1 || cmp == 0 || cmp == 1);
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};
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this.isEnd = function(row, column) {
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return this.end.row == row && this.end.column == column;
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};
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this.isStart = function(row, column) {
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return this.start.row == row && this.start.column == column;
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};
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this.setStart = function(row, column) {
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if (typeof row == "object") {
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this.start.column = row.column;
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this.start.row = row.row;
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} else {
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this.start.row = row;
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this.start.column = column;
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}
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};
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this.setEnd = function(row, column) {
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if (typeof row == "object") {
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this.end.column = row.column;
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this.end.row = row.row;
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} else {
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this.end.row = row;
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this.end.column = column;
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}
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};
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this.inside = function(row, column) {
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if (this.compare(row, column) == 0) {
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if (this.isEnd(row, column) || this.isStart(row, column)) {
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return false;
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} else {
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return true;
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}
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}
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return false;
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};
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this.insideStart = function(row, column) {
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if (this.compare(row, column) == 0) {
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if (this.isEnd(row, column)) {
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return false;
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} else {
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return true;
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}
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}
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return false;
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};
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this.insideEnd = function(row, column) {
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if (this.compare(row, column) == 0) {
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if (this.isStart(row, column)) {
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return false;
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} else {
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return true;
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}
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}
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return false;
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};
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this.compare = function(row, column) {
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if (!this.isMultiLine()) {
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if (row === this.start.row) {
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return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
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}
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}
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if (row < this.start.row)
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return -1;
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if (row > this.end.row)
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return 1;
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if (this.start.row === row)
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return column >= this.start.column ? 0 : -1;
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if (this.end.row === row)
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return column <= this.end.column ? 0 : 1;
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return 0;
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};
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this.compareStart = function(row, column) {
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if (this.start.row == row && this.start.column == column) {
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return -1;
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} else {
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return this.compare(row, column);
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}
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};
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this.compareEnd = function(row, column) {
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if (this.end.row == row && this.end.column == column) {
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return 1;
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} else {
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return this.compare(row, column);
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}
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};
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this.compareInside = function(row, column) {
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if (this.end.row == row && this.end.column == column) {
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return 1;
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} else if (this.start.row == row && this.start.column == column) {
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return -1;
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} else {
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return this.compare(row, column);
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}
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};
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this.clipRows = function(firstRow, lastRow) {
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if (this.end.row > lastRow)
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var end = {row: lastRow + 1, column: 0};
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else if (this.end.row < firstRow)
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var end = {row: firstRow, column: 0};
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if (this.start.row > lastRow)
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var start = {row: lastRow + 1, column: 0};
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else if (this.start.row < firstRow)
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var start = {row: firstRow, column: 0};
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return Range.fromPoints(start || this.start, end || this.end);
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};
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this.extend = function(row, column) {
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var cmp = this.compare(row, column);
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if (cmp == 0)
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return this;
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else if (cmp == -1)
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var start = {row: row, column: column};
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else
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var end = {row: row, column: column};
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return Range.fromPoints(start || this.start, end || this.end);
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};
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this.isEmpty = function() {
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return (this.start.row === this.end.row && this.start.column === this.end.column);
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};
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this.isMultiLine = function() {
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return (this.start.row !== this.end.row);
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};
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this.clone = function() {
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return Range.fromPoints(this.start, this.end);
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};
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this.collapseRows = function() {
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if (this.end.column == 0)
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return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0);
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else
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return new Range(this.start.row, 0, this.end.row, 0);
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};
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this.toScreenRange = function(session) {
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var screenPosStart = session.documentToScreenPosition(this.start);
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var screenPosEnd = session.documentToScreenPosition(this.end);
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return new Range(
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screenPosStart.row, screenPosStart.column,
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screenPosEnd.row, screenPosEnd.column
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);
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};
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this.moveBy = function(row, column) {
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this.start.row += row;
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this.start.column += column;
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this.end.row += row;
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this.end.column += column;
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};
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}).call(Range.prototype);
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Range.fromPoints = function(start, end) {
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return new Range(start.row, start.column, end.row, end.column);
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};
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Range.comparePoints = comparePoints;
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Range.comparePoints = function(p1, p2) {
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return p1.row - p2.row || p1.column - p2.column;
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};
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exports.Range = Range;
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});
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|
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ace.define("ace/apply_delta",[], function(require, exports, module) {
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"use strict";
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|
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function throwDeltaError(delta, errorText){
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console.log("Invalid Delta:", delta);
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throw "Invalid Delta: " + errorText;
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}
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function positionInDocument(docLines, position) {
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return position.row >= 0 && position.row < docLines.length &&
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position.column >= 0 && position.column <= docLines[position.row].length;
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}
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function validateDelta(docLines, delta) {
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if (delta.action != "insert" && delta.action != "remove")
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throwDeltaError(delta, "delta.action must be 'insert' or 'remove'");
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if (!(delta.lines instanceof Array))
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throwDeltaError(delta, "delta.lines must be an Array");
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if (!delta.start || !delta.end)
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throwDeltaError(delta, "delta.start/end must be an present");
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var start = delta.start;
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if (!positionInDocument(docLines, delta.start))
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throwDeltaError(delta, "delta.start must be contained in document");
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var end = delta.end;
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if (delta.action == "remove" && !positionInDocument(docLines, end))
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throwDeltaError(delta, "delta.end must contained in document for 'remove' actions");
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var numRangeRows = end.row - start.row;
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var numRangeLastLineChars = (end.column - (numRangeRows == 0 ? start.column : 0));
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if (numRangeRows != delta.lines.length - 1 || delta.lines[numRangeRows].length != numRangeLastLineChars)
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throwDeltaError(delta, "delta.range must match delta lines");
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}
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exports.applyDelta = function(docLines, delta, doNotValidate) {
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var row = delta.start.row;
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var startColumn = delta.start.column;
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var line = docLines[row] || "";
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switch (delta.action) {
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case "insert":
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var lines = delta.lines;
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if (lines.length === 1) {
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docLines[row] = line.substring(0, startColumn) + delta.lines[0] + line.substring(startColumn);
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} else {
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var args = [row, 1].concat(delta.lines);
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docLines.splice.apply(docLines, args);
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docLines[row] = line.substring(0, startColumn) + docLines[row];
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docLines[row + delta.lines.length - 1] += line.substring(startColumn);
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}
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break;
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case "remove":
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var endColumn = delta.end.column;
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var endRow = delta.end.row;
|
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if (row === endRow) {
|
|
docLines[row] = line.substring(0, startColumn) + line.substring(endColumn);
|
|
} else {
|
|
docLines.splice(
|
|
row, endRow - row + 1,
|
|
line.substring(0, startColumn) + docLines[endRow].substring(endColumn)
|
|
);
|
|
}
|
|
break;
|
|
}
|
|
};
|
|
});
|
|
|
|
ace.define("ace/lib/event_emitter",[], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var EventEmitter = {};
|
|
var stopPropagation = function() { this.propagationStopped = true; };
|
|
var preventDefault = function() { this.defaultPrevented = true; };
|
|
|
|
EventEmitter._emit =
|
|
EventEmitter._dispatchEvent = function(eventName, e) {
|
|
this._eventRegistry || (this._eventRegistry = {});
|
|
this._defaultHandlers || (this._defaultHandlers = {});
|
|
|
|
var listeners = this._eventRegistry[eventName] || [];
|
|
var defaultHandler = this._defaultHandlers[eventName];
|
|
if (!listeners.length && !defaultHandler)
|
|
return;
|
|
|
|
if (typeof e != "object" || !e)
|
|
e = {};
|
|
|
|
if (!e.type)
|
|
e.type = eventName;
|
|
if (!e.stopPropagation)
|
|
e.stopPropagation = stopPropagation;
|
|
if (!e.preventDefault)
|
|
e.preventDefault = preventDefault;
|
|
|
|
listeners = listeners.slice();
|
|
for (var i=0; i<listeners.length; i++) {
|
|
listeners[i](e, this);
|
|
if (e.propagationStopped)
|
|
break;
|
|
}
|
|
|
|
if (defaultHandler && !e.defaultPrevented)
|
|
return defaultHandler(e, this);
|
|
};
|
|
|
|
|
|
EventEmitter._signal = function(eventName, e) {
|
|
var listeners = (this._eventRegistry || {})[eventName];
|
|
if (!listeners)
|
|
return;
|
|
listeners = listeners.slice();
|
|
for (var i=0; i<listeners.length; i++)
|
|
listeners[i](e, this);
|
|
};
|
|
|
|
EventEmitter.once = function(eventName, callback) {
|
|
var _self = this;
|
|
this.on(eventName, function newCallback() {
|
|
_self.off(eventName, newCallback);
|
|
callback.apply(null, arguments);
|
|
});
|
|
if (!callback) {
|
|
return new Promise(function(resolve) {
|
|
callback = resolve;
|
|
});
|
|
}
|
|
};
|
|
|
|
|
|
EventEmitter.setDefaultHandler = function(eventName, callback) {
|
|
var handlers = this._defaultHandlers;
|
|
if (!handlers)
|
|
handlers = this._defaultHandlers = {_disabled_: {}};
|
|
|
|
if (handlers[eventName]) {
|
|
var old = handlers[eventName];
|
|
var disabled = handlers._disabled_[eventName];
|
|
if (!disabled)
|
|
handlers._disabled_[eventName] = disabled = [];
|
|
disabled.push(old);
|
|
var i = disabled.indexOf(callback);
|
|
if (i != -1)
|
|
disabled.splice(i, 1);
|
|
}
|
|
handlers[eventName] = callback;
|
|
};
|
|
EventEmitter.removeDefaultHandler = function(eventName, callback) {
|
|
var handlers = this._defaultHandlers;
|
|
if (!handlers)
|
|
return;
|
|
var disabled = handlers._disabled_[eventName];
|
|
|
|
if (handlers[eventName] == callback) {
|
|
if (disabled)
|
|
this.setDefaultHandler(eventName, disabled.pop());
|
|
} else if (disabled) {
|
|
var i = disabled.indexOf(callback);
|
|
if (i != -1)
|
|
disabled.splice(i, 1);
|
|
}
|
|
};
|
|
|
|
EventEmitter.on =
|
|
EventEmitter.addEventListener = function(eventName, callback, capturing) {
|
|
this._eventRegistry = this._eventRegistry || {};
|
|
|
|
var listeners = this._eventRegistry[eventName];
|
|
if (!listeners)
|
|
listeners = this._eventRegistry[eventName] = [];
|
|
|
|
if (listeners.indexOf(callback) == -1)
|
|
listeners[capturing ? "unshift" : "push"](callback);
|
|
return callback;
|
|
};
|
|
|
|
EventEmitter.off =
|
|
EventEmitter.removeListener =
|
|
EventEmitter.removeEventListener = function(eventName, callback) {
|
|
this._eventRegistry = this._eventRegistry || {};
|
|
|
|
var listeners = this._eventRegistry[eventName];
|
|
if (!listeners)
|
|
return;
|
|
|
|
var index = listeners.indexOf(callback);
|
|
if (index !== -1)
|
|
listeners.splice(index, 1);
|
|
};
|
|
|
|
EventEmitter.removeAllListeners = function(eventName) {
|
|
if (!eventName) this._eventRegistry = this._defaultHandlers = undefined;
|
|
if (this._eventRegistry) this._eventRegistry[eventName] = undefined;
|
|
if (this._defaultHandlers) this._defaultHandlers[eventName] = undefined;
|
|
};
|
|
|
|
exports.EventEmitter = EventEmitter;
|
|
|
|
});
|
|
|
|
ace.define("ace/anchor",[], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var oop = require("./lib/oop");
|
|
var EventEmitter = require("./lib/event_emitter").EventEmitter;
|
|
|
|
var Anchor = exports.Anchor = function(doc, row, column) {
|
|
this.$onChange = this.onChange.bind(this);
|
|
this.attach(doc);
|
|
|
|
if (typeof column == "undefined")
|
|
this.setPosition(row.row, row.column);
|
|
else
|
|
this.setPosition(row, column);
|
|
};
|
|
|
|
(function() {
|
|
|
|
oop.implement(this, EventEmitter);
|
|
this.getPosition = function() {
|
|
return this.$clipPositionToDocument(this.row, this.column);
|
|
};
|
|
this.getDocument = function() {
|
|
return this.document;
|
|
};
|
|
this.$insertRight = false;
|
|
this.onChange = function(delta) {
|
|
if (delta.start.row == delta.end.row && delta.start.row != this.row)
|
|
return;
|
|
|
|
if (delta.start.row > this.row)
|
|
return;
|
|
|
|
var point = $getTransformedPoint(delta, {row: this.row, column: this.column}, this.$insertRight);
|
|
this.setPosition(point.row, point.column, true);
|
|
};
|
|
|
|
function $pointsInOrder(point1, point2, equalPointsInOrder) {
|
|
var bColIsAfter = equalPointsInOrder ? point1.column <= point2.column : point1.column < point2.column;
|
|
return (point1.row < point2.row) || (point1.row == point2.row && bColIsAfter);
|
|
}
|
|
|
|
function $getTransformedPoint(delta, point, moveIfEqual) {
|
|
var deltaIsInsert = delta.action == "insert";
|
|
var deltaRowShift = (deltaIsInsert ? 1 : -1) * (delta.end.row - delta.start.row);
|
|
var deltaColShift = (deltaIsInsert ? 1 : -1) * (delta.end.column - delta.start.column);
|
|
var deltaStart = delta.start;
|
|
var deltaEnd = deltaIsInsert ? deltaStart : delta.end; // Collapse insert range.
|
|
if ($pointsInOrder(point, deltaStart, moveIfEqual)) {
|
|
return {
|
|
row: point.row,
|
|
column: point.column
|
|
};
|
|
}
|
|
if ($pointsInOrder(deltaEnd, point, !moveIfEqual)) {
|
|
return {
|
|
row: point.row + deltaRowShift,
|
|
column: point.column + (point.row == deltaEnd.row ? deltaColShift : 0)
|
|
};
|
|
}
|
|
|
|
return {
|
|
row: deltaStart.row,
|
|
column: deltaStart.column
|
|
};
|
|
}
|
|
this.setPosition = function(row, column, noClip) {
|
|
var pos;
|
|
if (noClip) {
|
|
pos = {
|
|
row: row,
|
|
column: column
|
|
};
|
|
} else {
|
|
pos = this.$clipPositionToDocument(row, column);
|
|
}
|
|
|
|
if (this.row == pos.row && this.column == pos.column)
|
|
return;
|
|
|
|
var old = {
|
|
row: this.row,
|
|
column: this.column
|
|
};
|
|
|
|
this.row = pos.row;
|
|
this.column = pos.column;
|
|
this._signal("change", {
|
|
old: old,
|
|
value: pos
|
|
});
|
|
};
|
|
this.detach = function() {
|
|
this.document.off("change", this.$onChange);
|
|
};
|
|
this.attach = function(doc) {
|
|
this.document = doc || this.document;
|
|
this.document.on("change", this.$onChange);
|
|
};
|
|
this.$clipPositionToDocument = function(row, column) {
|
|
var pos = {};
|
|
|
|
if (row >= this.document.getLength()) {
|
|
pos.row = Math.max(0, this.document.getLength() - 1);
|
|
pos.column = this.document.getLine(pos.row).length;
|
|
}
|
|
else if (row < 0) {
|
|
pos.row = 0;
|
|
pos.column = 0;
|
|
}
|
|
else {
|
|
pos.row = row;
|
|
pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
|
|
}
|
|
|
|
if (column < 0)
|
|
pos.column = 0;
|
|
|
|
return pos;
|
|
};
|
|
|
|
}).call(Anchor.prototype);
|
|
|
|
});
|
|
|
|
ace.define("ace/document",[], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var oop = require("./lib/oop");
|
|
var applyDelta = require("./apply_delta").applyDelta;
|
|
var EventEmitter = require("./lib/event_emitter").EventEmitter;
|
|
var Range = require("./range").Range;
|
|
var Anchor = require("./anchor").Anchor;
|
|
|
|
var Document = function(textOrLines) {
|
|
this.$lines = [""];
|
|
if (textOrLines.length === 0) {
|
|
this.$lines = [""];
|
|
} else if (Array.isArray(textOrLines)) {
|
|
this.insertMergedLines({row: 0, column: 0}, textOrLines);
|
|
} else {
|
|
this.insert({row: 0, column:0}, textOrLines);
|
|
}
|
|
};
|
|
|
|
(function() {
|
|
|
|
oop.implement(this, EventEmitter);
|
|
this.setValue = function(text) {
|
|
var len = this.getLength() - 1;
|
|
this.remove(new Range(0, 0, len, this.getLine(len).length));
|
|
this.insert({row: 0, column: 0}, text);
|
|
};
|
|
this.getValue = function() {
|
|
return this.getAllLines().join(this.getNewLineCharacter());
|
|
};
|
|
this.createAnchor = function(row, column) {
|
|
return new Anchor(this, row, column);
|
|
};
|
|
if ("aaa".split(/a/).length === 0) {
|
|
this.$split = function(text) {
|
|
return text.replace(/\r\n|\r/g, "\n").split("\n");
|
|
};
|
|
} else {
|
|
this.$split = function(text) {
|
|
return text.split(/\r\n|\r|\n/);
|
|
};
|
|
}
|
|
|
|
|
|
this.$detectNewLine = function(text) {
|
|
var match = text.match(/^.*?(\r\n|\r|\n)/m);
|
|
this.$autoNewLine = match ? match[1] : "\n";
|
|
this._signal("changeNewLineMode");
|
|
};
|
|
this.getNewLineCharacter = function() {
|
|
switch (this.$newLineMode) {
|
|
case "windows":
|
|
return "\r\n";
|
|
case "unix":
|
|
return "\n";
|
|
default:
|
|
return this.$autoNewLine || "\n";
|
|
}
|
|
};
|
|
|
|
this.$autoNewLine = "";
|
|
this.$newLineMode = "auto";
|
|
this.setNewLineMode = function(newLineMode) {
|
|
if (this.$newLineMode === newLineMode)
|
|
return;
|
|
|
|
this.$newLineMode = newLineMode;
|
|
this._signal("changeNewLineMode");
|
|
};
|
|
this.getNewLineMode = function() {
|
|
return this.$newLineMode;
|
|
};
|
|
this.isNewLine = function(text) {
|
|
return (text == "\r\n" || text == "\r" || text == "\n");
|
|
};
|
|
this.getLine = function(row) {
|
|
return this.$lines[row] || "";
|
|
};
|
|
this.getLines = function(firstRow, lastRow) {
|
|
return this.$lines.slice(firstRow, lastRow + 1);
|
|
};
|
|
this.getAllLines = function() {
|
|
return this.getLines(0, this.getLength());
|
|
};
|
|
this.getLength = function() {
|
|
return this.$lines.length;
|
|
};
|
|
this.getTextRange = function(range) {
|
|
return this.getLinesForRange(range).join(this.getNewLineCharacter());
|
|
};
|
|
this.getLinesForRange = function(range) {
|
|
var lines;
|
|
if (range.start.row === range.end.row) {
|
|
lines = [this.getLine(range.start.row).substring(range.start.column, range.end.column)];
|
|
} else {
|
|
lines = this.getLines(range.start.row, range.end.row);
|
|
lines[0] = (lines[0] || "").substring(range.start.column);
|
|
var l = lines.length - 1;
|
|
if (range.end.row - range.start.row == l)
|
|
lines[l] = lines[l].substring(0, range.end.column);
|
|
}
|
|
return lines;
|
|
};
|
|
this.insertLines = function(row, lines) {
|
|
console.warn("Use of document.insertLines is deprecated. Use the insertFullLines method instead.");
|
|
return this.insertFullLines(row, lines);
|
|
};
|
|
this.removeLines = function(firstRow, lastRow) {
|
|
console.warn("Use of document.removeLines is deprecated. Use the removeFullLines method instead.");
|
|
return this.removeFullLines(firstRow, lastRow);
|
|
};
|
|
this.insertNewLine = function(position) {
|
|
console.warn("Use of document.insertNewLine is deprecated. Use insertMergedLines(position, ['', '']) instead.");
|
|
return this.insertMergedLines(position, ["", ""]);
|
|
};
|
|
this.insert = function(position, text) {
|
|
if (this.getLength() <= 1)
|
|
this.$detectNewLine(text);
|
|
|
|
return this.insertMergedLines(position, this.$split(text));
|
|
};
|
|
this.insertInLine = function(position, text) {
|
|
var start = this.clippedPos(position.row, position.column);
|
|
var end = this.pos(position.row, position.column + text.length);
|
|
|
|
this.applyDelta({
|
|
start: start,
|
|
end: end,
|
|
action: "insert",
|
|
lines: [text]
|
|
}, true);
|
|
|
|
return this.clonePos(end);
|
|
};
|
|
|
|
this.clippedPos = function(row, column) {
|
|
var length = this.getLength();
|
|
if (row === undefined) {
|
|
row = length;
|
|
} else if (row < 0) {
|
|
row = 0;
|
|
} else if (row >= length) {
|
|
row = length - 1;
|
|
column = undefined;
|
|
}
|
|
var line = this.getLine(row);
|
|
if (column == undefined)
|
|
column = line.length;
|
|
column = Math.min(Math.max(column, 0), line.length);
|
|
return {row: row, column: column};
|
|
};
|
|
|
|
this.clonePos = function(pos) {
|
|
return {row: pos.row, column: pos.column};
|
|
};
|
|
|
|
this.pos = function(row, column) {
|
|
return {row: row, column: column};
|
|
};
|
|
|
|
this.$clipPosition = function(position) {
|
|
var length = this.getLength();
|
|
if (position.row >= length) {
|
|
position.row = Math.max(0, length - 1);
|
|
position.column = this.getLine(length - 1).length;
|
|
} else {
|
|
position.row = Math.max(0, position.row);
|
|
position.column = Math.min(Math.max(position.column, 0), this.getLine(position.row).length);
|
|
}
|
|
return position;
|
|
};
|
|
this.insertFullLines = function(row, lines) {
|
|
row = Math.min(Math.max(row, 0), this.getLength());
|
|
var column = 0;
|
|
if (row < this.getLength()) {
|
|
lines = lines.concat([""]);
|
|
column = 0;
|
|
} else {
|
|
lines = [""].concat(lines);
|
|
row--;
|
|
column = this.$lines[row].length;
|
|
}
|
|
this.insertMergedLines({row: row, column: column}, lines);
|
|
};
|
|
this.insertMergedLines = function(position, lines) {
|
|
var start = this.clippedPos(position.row, position.column);
|
|
var end = {
|
|
row: start.row + lines.length - 1,
|
|
column: (lines.length == 1 ? start.column : 0) + lines[lines.length - 1].length
|
|
};
|
|
|
|
this.applyDelta({
|
|
start: start,
|
|
end: end,
|
|
action: "insert",
|
|
lines: lines
|
|
});
|
|
|
|
return this.clonePos(end);
|
|
};
|
|
this.remove = function(range) {
|
|
var start = this.clippedPos(range.start.row, range.start.column);
|
|
var end = this.clippedPos(range.end.row, range.end.column);
|
|
this.applyDelta({
|
|
start: start,
|
|
end: end,
|
|
action: "remove",
|
|
lines: this.getLinesForRange({start: start, end: end})
|
|
});
|
|
return this.clonePos(start);
|
|
};
|
|
this.removeInLine = function(row, startColumn, endColumn) {
|
|
var start = this.clippedPos(row, startColumn);
|
|
var end = this.clippedPos(row, endColumn);
|
|
|
|
this.applyDelta({
|
|
start: start,
|
|
end: end,
|
|
action: "remove",
|
|
lines: this.getLinesForRange({start: start, end: end})
|
|
}, true);
|
|
|
|
return this.clonePos(start);
|
|
};
|
|
this.removeFullLines = function(firstRow, lastRow) {
|
|
firstRow = Math.min(Math.max(0, firstRow), this.getLength() - 1);
|
|
lastRow = Math.min(Math.max(0, lastRow ), this.getLength() - 1);
|
|
var deleteFirstNewLine = lastRow == this.getLength() - 1 && firstRow > 0;
|
|
var deleteLastNewLine = lastRow < this.getLength() - 1;
|
|
var startRow = ( deleteFirstNewLine ? firstRow - 1 : firstRow );
|
|
var startCol = ( deleteFirstNewLine ? this.getLine(startRow).length : 0 );
|
|
var endRow = ( deleteLastNewLine ? lastRow + 1 : lastRow );
|
|
var endCol = ( deleteLastNewLine ? 0 : this.getLine(endRow).length );
|
|
var range = new Range(startRow, startCol, endRow, endCol);
|
|
var deletedLines = this.$lines.slice(firstRow, lastRow + 1);
|
|
|
|
this.applyDelta({
|
|
start: range.start,
|
|
end: range.end,
|
|
action: "remove",
|
|
lines: this.getLinesForRange(range)
|
|
});
|
|
return deletedLines;
|
|
};
|
|
this.removeNewLine = function(row) {
|
|
if (row < this.getLength() - 1 && row >= 0) {
|
|
this.applyDelta({
|
|
start: this.pos(row, this.getLine(row).length),
|
|
end: this.pos(row + 1, 0),
|
|
action: "remove",
|
|
lines: ["", ""]
|
|
});
|
|
}
|
|
};
|
|
this.replace = function(range, text) {
|
|
if (!(range instanceof Range))
|
|
range = Range.fromPoints(range.start, range.end);
|
|
if (text.length === 0 && range.isEmpty())
|
|
return range.start;
|
|
if (text == this.getTextRange(range))
|
|
return range.end;
|
|
|
|
this.remove(range);
|
|
var end;
|
|
if (text) {
|
|
end = this.insert(range.start, text);
|
|
}
|
|
else {
|
|
end = range.start;
|
|
}
|
|
|
|
return end;
|
|
};
|
|
this.applyDeltas = function(deltas) {
|
|
for (var i=0; i<deltas.length; i++) {
|
|
this.applyDelta(deltas[i]);
|
|
}
|
|
};
|
|
this.revertDeltas = function(deltas) {
|
|
for (var i=deltas.length-1; i>=0; i--) {
|
|
this.revertDelta(deltas[i]);
|
|
}
|
|
};
|
|
this.applyDelta = function(delta, doNotValidate) {
|
|
var isInsert = delta.action == "insert";
|
|
if (isInsert ? delta.lines.length <= 1 && !delta.lines[0]
|
|
: !Range.comparePoints(delta.start, delta.end)) {
|
|
return;
|
|
}
|
|
|
|
if (isInsert && delta.lines.length > 20000) {
|
|
this.$splitAndapplyLargeDelta(delta, 20000);
|
|
}
|
|
else {
|
|
applyDelta(this.$lines, delta, doNotValidate);
|
|
this._signal("change", delta);
|
|
}
|
|
};
|
|
|
|
this.$safeApplyDelta = function(delta) {
|
|
var docLength = this.$lines.length;
|
|
if (
|
|
delta.action == "remove" && delta.start.row < docLength && delta.end.row < docLength
|
|
|| delta.action == "insert" && delta.start.row <= docLength
|
|
) {
|
|
this.applyDelta(delta);
|
|
}
|
|
};
|
|
|
|
this.$splitAndapplyLargeDelta = function(delta, MAX) {
|
|
var lines = delta.lines;
|
|
var l = lines.length - MAX + 1;
|
|
var row = delta.start.row;
|
|
var column = delta.start.column;
|
|
for (var from = 0, to = 0; from < l; from = to) {
|
|
to += MAX - 1;
|
|
var chunk = lines.slice(from, to);
|
|
chunk.push("");
|
|
this.applyDelta({
|
|
start: this.pos(row + from, column),
|
|
end: this.pos(row + to, column = 0),
|
|
action: delta.action,
|
|
lines: chunk
|
|
}, true);
|
|
}
|
|
delta.lines = lines.slice(from);
|
|
delta.start.row = row + from;
|
|
delta.start.column = column;
|
|
this.applyDelta(delta, true);
|
|
};
|
|
this.revertDelta = function(delta) {
|
|
this.$safeApplyDelta({
|
|
start: this.clonePos(delta.start),
|
|
end: this.clonePos(delta.end),
|
|
action: (delta.action == "insert" ? "remove" : "insert"),
|
|
lines: delta.lines.slice()
|
|
});
|
|
};
|
|
this.indexToPosition = function(index, startRow) {
|
|
var lines = this.$lines || this.getAllLines();
|
|
var newlineLength = this.getNewLineCharacter().length;
|
|
for (var i = startRow || 0, l = lines.length; i < l; i++) {
|
|
index -= lines[i].length + newlineLength;
|
|
if (index < 0)
|
|
return {row: i, column: index + lines[i].length + newlineLength};
|
|
}
|
|
return {row: l-1, column: index + lines[l-1].length + newlineLength};
|
|
};
|
|
this.positionToIndex = function(pos, startRow) {
|
|
var lines = this.$lines || this.getAllLines();
|
|
var newlineLength = this.getNewLineCharacter().length;
|
|
var index = 0;
|
|
var row = Math.min(pos.row, lines.length);
|
|
for (var i = startRow || 0; i < row; ++i)
|
|
index += lines[i].length + newlineLength;
|
|
|
|
return index + pos.column;
|
|
};
|
|
|
|
}).call(Document.prototype);
|
|
|
|
exports.Document = Document;
|
|
});
|
|
|
|
ace.define("ace/lib/lang",[], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
exports.last = function(a) {
|
|
return a[a.length - 1];
|
|
};
|
|
|
|
exports.stringReverse = function(string) {
|
|
return string.split("").reverse().join("");
|
|
};
|
|
|
|
exports.stringRepeat = function (string, count) {
|
|
var result = '';
|
|
while (count > 0) {
|
|
if (count & 1)
|
|
result += string;
|
|
|
|
if (count >>= 1)
|
|
string += string;
|
|
}
|
|
return result;
|
|
};
|
|
|
|
var trimBeginRegexp = /^\s\s*/;
|
|
var trimEndRegexp = /\s\s*$/;
|
|
|
|
exports.stringTrimLeft = function (string) {
|
|
return string.replace(trimBeginRegexp, '');
|
|
};
|
|
|
|
exports.stringTrimRight = function (string) {
|
|
return string.replace(trimEndRegexp, '');
|
|
};
|
|
|
|
exports.copyObject = function(obj) {
|
|
var copy = {};
|
|
for (var key in obj) {
|
|
copy[key] = obj[key];
|
|
}
|
|
return copy;
|
|
};
|
|
|
|
exports.copyArray = function(array){
|
|
var copy = [];
|
|
for (var i=0, l=array.length; i<l; i++) {
|
|
if (array[i] && typeof array[i] == "object")
|
|
copy[i] = this.copyObject(array[i]);
|
|
else
|
|
copy[i] = array[i];
|
|
}
|
|
return copy;
|
|
};
|
|
|
|
exports.deepCopy = function deepCopy(obj) {
|
|
if (typeof obj !== "object" || !obj)
|
|
return obj;
|
|
var copy;
|
|
if (Array.isArray(obj)) {
|
|
copy = [];
|
|
for (var key = 0; key < obj.length; key++) {
|
|
copy[key] = deepCopy(obj[key]);
|
|
}
|
|
return copy;
|
|
}
|
|
if (Object.prototype.toString.call(obj) !== "[object Object]")
|
|
return obj;
|
|
|
|
copy = {};
|
|
for (var key in obj)
|
|
copy[key] = deepCopy(obj[key]);
|
|
return copy;
|
|
};
|
|
|
|
exports.arrayToMap = function(arr) {
|
|
var map = {};
|
|
for (var i=0; i<arr.length; i++) {
|
|
map[arr[i]] = 1;
|
|
}
|
|
return map;
|
|
|
|
};
|
|
|
|
exports.createMap = function(props) {
|
|
var map = Object.create(null);
|
|
for (var i in props) {
|
|
map[i] = props[i];
|
|
}
|
|
return map;
|
|
};
|
|
exports.arrayRemove = function(array, value) {
|
|
for (var i = 0; i <= array.length; i++) {
|
|
if (value === array[i]) {
|
|
array.splice(i, 1);
|
|
}
|
|
}
|
|
};
|
|
|
|
exports.escapeRegExp = function(str) {
|
|
return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
|
|
};
|
|
|
|
exports.escapeHTML = function(str) {
|
|
return ("" + str).replace(/&/g, "&").replace(/"/g, """).replace(/'/g, "'").replace(/</g, "<");
|
|
};
|
|
|
|
exports.getMatchOffsets = function(string, regExp) {
|
|
var matches = [];
|
|
|
|
string.replace(regExp, function(str) {
|
|
matches.push({
|
|
offset: arguments[arguments.length-2],
|
|
length: str.length
|
|
});
|
|
});
|
|
|
|
return matches;
|
|
};
|
|
exports.deferredCall = function(fcn) {
|
|
var timer = null;
|
|
var callback = function() {
|
|
timer = null;
|
|
fcn();
|
|
};
|
|
|
|
var deferred = function(timeout) {
|
|
deferred.cancel();
|
|
timer = setTimeout(callback, timeout || 0);
|
|
return deferred;
|
|
};
|
|
|
|
deferred.schedule = deferred;
|
|
|
|
deferred.call = function() {
|
|
this.cancel();
|
|
fcn();
|
|
return deferred;
|
|
};
|
|
|
|
deferred.cancel = function() {
|
|
clearTimeout(timer);
|
|
timer = null;
|
|
return deferred;
|
|
};
|
|
|
|
deferred.isPending = function() {
|
|
return timer;
|
|
};
|
|
|
|
return deferred;
|
|
};
|
|
|
|
|
|
exports.delayedCall = function(fcn, defaultTimeout) {
|
|
var timer = null;
|
|
var callback = function() {
|
|
timer = null;
|
|
fcn();
|
|
};
|
|
|
|
var _self = function(timeout) {
|
|
if (timer == null)
|
|
timer = setTimeout(callback, timeout || defaultTimeout);
|
|
};
|
|
|
|
_self.delay = function(timeout) {
|
|
timer && clearTimeout(timer);
|
|
timer = setTimeout(callback, timeout || defaultTimeout);
|
|
};
|
|
_self.schedule = _self;
|
|
|
|
_self.call = function() {
|
|
this.cancel();
|
|
fcn();
|
|
};
|
|
|
|
_self.cancel = function() {
|
|
timer && clearTimeout(timer);
|
|
timer = null;
|
|
};
|
|
|
|
_self.isPending = function() {
|
|
return timer;
|
|
};
|
|
|
|
return _self;
|
|
};
|
|
});
|
|
|
|
ace.define("ace/worker/mirror",[], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var Range = require("../range").Range;
|
|
var Document = require("../document").Document;
|
|
var lang = require("../lib/lang");
|
|
|
|
var Mirror = exports.Mirror = function(sender) {
|
|
this.sender = sender;
|
|
var doc = this.doc = new Document("");
|
|
|
|
var deferredUpdate = this.deferredUpdate = lang.delayedCall(this.onUpdate.bind(this));
|
|
|
|
var _self = this;
|
|
sender.on("change", function(e) {
|
|
var data = e.data;
|
|
if (data[0].start) {
|
|
doc.applyDeltas(data);
|
|
} else {
|
|
for (var i = 0; i < data.length; i += 2) {
|
|
if (Array.isArray(data[i+1])) {
|
|
var d = {action: "insert", start: data[i], lines: data[i+1]};
|
|
} else {
|
|
var d = {action: "remove", start: data[i], end: data[i+1]};
|
|
}
|
|
doc.applyDelta(d, true);
|
|
}
|
|
}
|
|
if (_self.$timeout)
|
|
return deferredUpdate.schedule(_self.$timeout);
|
|
_self.onUpdate();
|
|
});
|
|
};
|
|
|
|
(function() {
|
|
|
|
this.$timeout = 500;
|
|
|
|
this.setTimeout = function(timeout) {
|
|
this.$timeout = timeout;
|
|
};
|
|
|
|
this.setValue = function(value) {
|
|
this.doc.setValue(value);
|
|
this.deferredUpdate.schedule(this.$timeout);
|
|
};
|
|
|
|
this.getValue = function(callbackId) {
|
|
this.sender.callback(this.doc.getValue(), callbackId);
|
|
};
|
|
|
|
this.onUpdate = function() {
|
|
};
|
|
|
|
this.isPending = function() {
|
|
return this.deferredUpdate.isPending();
|
|
};
|
|
|
|
}).call(Mirror.prototype);
|
|
|
|
});
|
|
|
|
ace.define("ace/mode/latex_worker",[], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var oop = require("../lib/oop");
|
|
var Mirror = require("../worker/mirror").Mirror;
|
|
|
|
var LatexWorker = exports.LatexWorker = function(sender) {
|
|
Mirror.call(this, sender);
|
|
this.setTimeout(250);
|
|
};
|
|
|
|
oop.inherits(LatexWorker, Mirror);
|
|
|
|
(function() {
|
|
var disabled = false;
|
|
this.onUpdate = function() {
|
|
if (disabled) { return ; };
|
|
|
|
var value = this.doc.getValue();
|
|
var errors = [];
|
|
var contexts = [];
|
|
try {
|
|
if (value) {
|
|
var result = Parse(value);
|
|
errors = result.errors;
|
|
contexts = result.contexts;
|
|
}
|
|
} catch (e) {
|
|
console.log(e);
|
|
disabled = true;
|
|
this.sender.emit("fatal-error", e);
|
|
errors = [];
|
|
}
|
|
this.sender.emit("lint", {
|
|
errors: errors,
|
|
contexts: contexts
|
|
});
|
|
};
|
|
|
|
}).call(LatexWorker.prototype);
|
|
|
|
var Tokenise = function (text) {
|
|
var Tokens = [];
|
|
var Comments = [];
|
|
var pos = -1;
|
|
var SPECIAL = /[\\\{\}\$\&\#\^\_\~\%]/g; // match TeX special characters
|
|
var NEXTCS = /[^a-zA-Z]/g; // match characters which aren't part of a TeX control sequence
|
|
var idx = 0;
|
|
|
|
var lineNumber = 0; // current line number when parsing tokens (zero-based)
|
|
var linePosition = []; // mapping from line number to absolute offset of line in text[]
|
|
linePosition[0] = 0;
|
|
|
|
var checkingDisabled = false;
|
|
var count = 0; // number of tokens parses
|
|
var MAX_TOKENS = 100000;
|
|
|
|
while (true) {
|
|
count++;
|
|
if (count > MAX_TOKENS) {
|
|
throw new Error("exceed max token count of " + MAX_TOKENS);
|
|
break;
|
|
};
|
|
var result = SPECIAL.exec(text);
|
|
if (result == null) {
|
|
if (idx < text.length) {
|
|
Tokens.push([lineNumber, "Text", idx, text.length]);
|
|
}
|
|
break;
|
|
}
|
|
if (result && result.index <= pos) {
|
|
throw new Error("infinite loop in parsing");
|
|
break;
|
|
};
|
|
pos = result.index;
|
|
if (pos > idx) {
|
|
Tokens.push([lineNumber, "Text", idx, pos]);
|
|
}
|
|
for (var i = idx; i < pos; i++) {
|
|
if (text[i] === "\n") {
|
|
lineNumber++;
|
|
linePosition[lineNumber] = i+1;
|
|
}
|
|
}
|
|
|
|
var newIdx = SPECIAL.lastIndex;
|
|
idx = newIdx;
|
|
var code = result[0];
|
|
if (code === "%") { // comment character
|
|
var newLinePos = text.indexOf("\n", idx);
|
|
if (newLinePos === -1) {
|
|
newLinePos = text.length;
|
|
};
|
|
var commentString = text.substring(idx, newLinePos);
|
|
if (commentString.indexOf("%novalidate") === 0) {
|
|
return [];
|
|
} else if(!checkingDisabled && commentString.indexOf("%begin novalidate") === 0) {
|
|
checkingDisabled = true;
|
|
} else if (checkingDisabled && commentString.indexOf("%end novalidate") === 0) {
|
|
checkingDisabled = false;
|
|
};
|
|
idx = SPECIAL.lastIndex = newLinePos + 1;
|
|
Comments.push([lineNumber, idx, newLinePos]);
|
|
lineNumber++;
|
|
linePosition[lineNumber] = idx;
|
|
} else if (checkingDisabled) {
|
|
continue;
|
|
} else if (code === '\\') { // escape character
|
|
NEXTCS.lastIndex = idx;
|
|
var controlSequence = NEXTCS.exec(text);
|
|
var nextSpecialPos = controlSequence === null ? idx : controlSequence.index;
|
|
if (nextSpecialPos === idx) {
|
|
Tokens.push([lineNumber, code, pos, idx + 1, text[idx], "control-symbol"]);
|
|
idx = SPECIAL.lastIndex = idx + 1;
|
|
char = text[nextSpecialPos];
|
|
if (char === '\n') { lineNumber++; linePosition[lineNumber] = nextSpecialPos;};
|
|
} else {
|
|
Tokens.push([lineNumber, code, pos, nextSpecialPos, text.slice(idx, nextSpecialPos)]);
|
|
var char;
|
|
while ((char = text[nextSpecialPos]) === ' ' || char === '\t' || char === '\r' || char === '\n') {
|
|
nextSpecialPos++;
|
|
if (char === '\n') { lineNumber++; linePosition[lineNumber] = nextSpecialPos;};
|
|
}
|
|
idx = SPECIAL.lastIndex = nextSpecialPos;
|
|
}
|
|
} else if (["{", "}", "$", "&", "#", "^", "_", "~"].indexOf(code) > -1) { // special characters
|
|
Tokens.push([lineNumber, code, pos, pos+1]);
|
|
} else {
|
|
throw "unrecognised character " + code;
|
|
}
|
|
}
|
|
|
|
return {tokens: Tokens, comments: Comments, linePosition: linePosition, lineNumber: lineNumber, text: text};
|
|
};
|
|
|
|
var read1arg = function (TokeniseResult, k, options) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
if (options && options.allowStar) {
|
|
var optional = Tokens[k+1];
|
|
if (optional && optional[1] === "Text") {
|
|
var optionalstr = text.substring(optional[2], optional[3]);
|
|
if (optionalstr === "*") { k++;}
|
|
};
|
|
};
|
|
|
|
var open = Tokens[k+1];
|
|
var delimiter = Tokens[k+2];
|
|
var close = Tokens[k+3];
|
|
var delimiterName;
|
|
|
|
if(open && open[1] === "\\") {
|
|
delimiterName = open[4]; // array element 4 is command sequence
|
|
return k + 1;
|
|
} else if(open && open[1] === "{" && delimiter && delimiter[1] === "\\" && close && close[1] === "}") {
|
|
delimiterName = delimiter[4]; // NOTE: if we were actually using this, keep track of * above
|
|
return k + 3; // array element 4 is command sequence
|
|
} else {
|
|
return null;
|
|
}
|
|
};
|
|
|
|
var readLetDefinition = function (TokeniseResult, k) {
|
|
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var first = Tokens[k+1];
|
|
var second = Tokens[k+2];
|
|
var third = Tokens[k+3];
|
|
|
|
if(first && first[1] === "\\" && second && second[1] === "\\") {
|
|
return k + 2;
|
|
} else if(first && first[1] === "\\" &&
|
|
second && second[1] === "Text" && text.substring(second[2], second[3]) === "=" &&
|
|
third && third[1] === "\\") {
|
|
return k + 3;
|
|
} else {
|
|
return null;
|
|
}
|
|
};
|
|
|
|
var read1name = function (TokeniseResult, k) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var open = Tokens[k+1];
|
|
var delimiter = Tokens[k+2];
|
|
var close = Tokens[k+3];
|
|
|
|
if(open && open[1] === "{" && delimiter && delimiter[1] === "Text" && close && close[1] === "}") {
|
|
var delimiterName = text.substring(delimiter[2], delimiter[3]);
|
|
return k + 3;
|
|
} else if (open && open[1] === "{" && delimiter && delimiter[1] === "Text") {
|
|
delimiterName = "";
|
|
for (var j = k + 2, tok; (tok = Tokens[j]); j++) {
|
|
if (tok[1] === "Text") {
|
|
var str = text.substring(tok[2], tok[3]);
|
|
if (!str.match(/^\S*$/)) { break; }
|
|
delimiterName = delimiterName + str;
|
|
} else if (tok[1] === "_") {
|
|
delimiterName = delimiterName + "_";
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (tok && tok[1] === "}") {
|
|
return j; // advance past these tokens
|
|
} else {
|
|
return null;
|
|
}
|
|
} else {
|
|
return null;
|
|
}
|
|
};
|
|
|
|
var read1filename = function (TokeniseResult, k) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var fileName = "";
|
|
for (var j = k + 1, tok; (tok = Tokens[j]); j++) {
|
|
if (tok[1] === "Text") {
|
|
var str = text.substring(tok[2], tok[3]);
|
|
if (!str.match(/^\S*$/)) { break; }
|
|
fileName = fileName + str;
|
|
} else if (tok[1] === "_") {
|
|
fileName = fileName + "_";
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (fileName.length > 0) {
|
|
return j; // advance past these tokens
|
|
} else {
|
|
return null;
|
|
}
|
|
};
|
|
|
|
var readOptionalParams = function(TokeniseResult, k) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var params = Tokens[k+1];
|
|
if(params && params[1] === "Text") {
|
|
var paramNum = text.substring(params[2], params[3]);
|
|
if (paramNum.match(/^\[\d+\](\[[^\]]*\])*\s*$/)) {
|
|
return k + 1; // got it
|
|
};
|
|
};
|
|
var count = 0;
|
|
var nextToken = Tokens[k+1];
|
|
if (!nextToken) { return null };
|
|
var pos = nextToken[2];
|
|
|
|
for (var i = pos, end = text.length; i < end; i++) {
|
|
var char = text[i];
|
|
if (nextToken && i >= nextToken[2]) { k++; nextToken = Tokens[k+1];};
|
|
if (char === "[") { count++; }
|
|
if (char === "]") { count--; }
|
|
if (count === 0 && char === "{") { return k - 1; }
|
|
if (count > 0 && (char === '\r' || char === '\n')) { return null; }
|
|
};
|
|
return null;
|
|
};
|
|
|
|
var readOptionalGeneric = function(TokeniseResult, k) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var params = Tokens[k+1];
|
|
|
|
if(params && params[1] === "Text") {
|
|
var paramNum = text.substring(params[2], params[3]);
|
|
if (paramNum.match(/^(\[[^\]]*\])+\s*$/)) {
|
|
return k + 1; // got it
|
|
};
|
|
};
|
|
return null;
|
|
};
|
|
|
|
var readOptionalStar = function(TokeniseResult, k) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var params = Tokens[k + 1];
|
|
|
|
if (params && params[1] === "Text") {
|
|
var paramNum = text.substring(params[2], params[3]);
|
|
if (paramNum.match(/^(\*)+\s*$/)) {
|
|
return k + 1; // got it
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
var readOptionalDef = function (TokeniseResult, k) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var defToken = Tokens[k];
|
|
var pos = defToken[3];
|
|
|
|
var openBrace = "{";
|
|
var nextToken = Tokens[k+1];
|
|
for (var i = pos, end = text.length; i < end; i++) {
|
|
var char = text[i];
|
|
if (nextToken && i >= nextToken[2]) { k++; nextToken = Tokens[k+1];};
|
|
if (char === openBrace) { return k - 1; }; // move back to the last token of the optional arguments
|
|
if (char === '\r' || char === '\n') { return null; }
|
|
};
|
|
|
|
return null;
|
|
|
|
};
|
|
|
|
var readDefinition = function(TokeniseResult, k) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
k = k + 1;
|
|
var count = 0;
|
|
var nextToken = Tokens[k];
|
|
while (nextToken && nextToken[1] === "Text") {
|
|
var start = nextToken[2], end = nextToken[3];
|
|
for (var i = start; i < end; i++) {
|
|
var char = text[i];
|
|
if (char === ' ' || char === '\t' || char === '\r' || char === '\n') { continue; }
|
|
return null; // bail out, should begin with a {
|
|
}
|
|
k++;
|
|
nextToken = Tokens[k];
|
|
}
|
|
if (nextToken && nextToken[1] === "{") {
|
|
count++;
|
|
while (count>0) {
|
|
k++;
|
|
nextToken = Tokens[k];
|
|
if(!nextToken) { break; };
|
|
if (nextToken[1] === "}") { count--; }
|
|
if (nextToken[1] === "{") { count++; }
|
|
}
|
|
return k;
|
|
}
|
|
|
|
return null;
|
|
};
|
|
|
|
var readVerb = function(TokeniseResult, k) {
|
|
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var verbToken = Tokens[k];
|
|
var verbStr = text.substring(verbToken[2], verbToken[3]);
|
|
var pos = verbToken[3];
|
|
if (text[pos] === "*") { pos++; } // \verb* form of command
|
|
var delimiter = text[pos];
|
|
pos++;
|
|
|
|
var nextToken = Tokens[k+1];
|
|
for (var i = pos, end = text.length; i < end; i++) {
|
|
var char = text[i];
|
|
if (nextToken && i >= nextToken[2]) { k++; nextToken = Tokens[k+1];};
|
|
if (char === delimiter) { return k; };
|
|
if (char === '\r' || char === '\n') { return null; }
|
|
};
|
|
|
|
return null;
|
|
};
|
|
|
|
var readUrl = function(TokeniseResult, k) {
|
|
|
|
var Tokens = TokeniseResult.tokens;
|
|
var text = TokeniseResult.text;
|
|
|
|
var urlToken = Tokens[k];
|
|
var urlStr = text.substring(urlToken[2], urlToken[3]);
|
|
var pos = urlToken[3];
|
|
var openDelimiter = text[pos];
|
|
var closeDelimiter = (openDelimiter === "{") ? "}" : openDelimiter;
|
|
var nextToken = Tokens[k+1];
|
|
if (nextToken && pos === nextToken[2]) {
|
|
k++;
|
|
nextToken = Tokens[k+1];
|
|
};
|
|
pos++;
|
|
|
|
var count = 1;
|
|
for (var i = pos, end = text.length; count > 0 && i < end; i++) {
|
|
var char = text[i];
|
|
if (nextToken && i >= nextToken[2]) { k++; nextToken = Tokens[k+1];};
|
|
if (char === closeDelimiter) {
|
|
count--;
|
|
} else if (char === openDelimiter) {
|
|
count++;
|
|
};
|
|
if (count === 0) { return k; };
|
|
if (char === '\r' || char === '\n') { return null; }
|
|
};
|
|
|
|
return null;
|
|
};
|
|
|
|
var InterpretTokens = function (TokeniseResult, ErrorReporter) {
|
|
var Tokens = TokeniseResult.tokens;
|
|
var linePosition = TokeniseResult.linePosition;
|
|
var lineNumber = TokeniseResult.lineNumber;
|
|
var text = TokeniseResult.text;
|
|
|
|
var TokenErrorFromTo = ErrorReporter.TokenErrorFromTo;
|
|
var TokenError = ErrorReporter.TokenError;
|
|
var Environments = new EnvHandler(TokeniseResult, ErrorReporter);
|
|
|
|
var nextGroupMathMode = null; // if the next group should have
|
|
var nextGroupMathModeStack = [] ; // tracking all nextGroupMathModes
|
|
var seenUserDefinedBeginEquation = false; // if we have seen macros like \beq
|
|
var seenUserDefinedEndEquation = false; // if we have seen macros like \eeq
|
|
|
|
for (var i = 0, len = Tokens.length; i < len; i++) {
|
|
var token = Tokens[i];
|
|
var line = token[0], type = token[1], start = token[2], end = token[3], seq = token[4];
|
|
|
|
if (type === "{") {
|
|
Environments.push({command:"{", token:token, mathMode: nextGroupMathMode});
|
|
nextGroupMathModeStack.push(nextGroupMathMode);
|
|
nextGroupMathMode = null;
|
|
continue;
|
|
} else if (type === "}") {
|
|
Environments.push({command:"}", token:token});
|
|
nextGroupMathMode = nextGroupMathModeStack.pop();
|
|
continue;
|
|
} else {
|
|
nextGroupMathMode = null;
|
|
};
|
|
|
|
if (type === "\\") {
|
|
if (seq === "begin" || seq === "end") {
|
|
var open = Tokens[i+1];
|
|
var delimiter = Tokens[i+2];
|
|
var close = Tokens[i+3];
|
|
if(open && open[1] === "{" && delimiter && delimiter[1] === "Text" && close && close[1] === "}") {
|
|
var delimiterName = text.substring(delimiter[2], delimiter[3]);
|
|
Environments.push({command: seq, name: delimiterName, token: token, closeToken: close});
|
|
i = i + 3; // advance past these tokens
|
|
} else {
|
|
if (open && open[1] === "{" && delimiter && delimiter[1] === "Text") {
|
|
delimiterName = "";
|
|
for (var j = i + 2, tok; (tok = Tokens[j]); j++) {
|
|
if (tok[1] === "Text") {
|
|
var str = text.substring(tok[2], tok[3]);
|
|
if (!str.match(/^\S*$/)) { break; }
|
|
delimiterName = delimiterName + str;
|
|
} else if (tok[1] === "_") {
|
|
delimiterName = delimiterName + "_";
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (tok && tok[1] === "}") {
|
|
Environments.push({command: seq, name: delimiterName, token: token, closeToken: close});
|
|
i = j; // advance past these tokens
|
|
continue;
|
|
}
|
|
}
|
|
var endToken = null;
|
|
if (open && open[1] === "{") {
|
|
endToken = open; // we've got a {
|
|
if (delimiter && delimiter[1] === "Text") {
|
|
endToken = delimiter.slice(); // we've got some text following the {
|
|
start = endToken[2]; end = endToken[3];
|
|
for (j = start; j < end; j++) {
|
|
var char = text[j];
|
|
if (char === ' ' || char === '\t' || char === '\r' || char === '\n') { break; }
|
|
}
|
|
endToken[3] = j; // the end of partial token is as far as we got looking ahead
|
|
};
|
|
};
|
|
|
|
if (endToken) {
|
|
TokenErrorFromTo(token, endToken, "invalid environment command " + text.substring(token[2], endToken[3] || endToken[2]));
|
|
} else {
|
|
TokenError(token, "invalid environment command");
|
|
};
|
|
}
|
|
} else if (typeof seq === "string" && seq.match(/^(be|beq|beqa|bea)$/i)) {
|
|
seenUserDefinedBeginEquation = true;
|
|
} else if (typeof seq === "string" && seq.match(/^(ee|eeq|eeqn|eeqa|eeqan|eea)$/i)) {
|
|
seenUserDefinedEndEquation = true;
|
|
} else if (seq === "newcommand" || seq === "renewcommand" || seq === "DeclareRobustCommand") {
|
|
var newPos = read1arg(TokeniseResult, i, {allowStar: true});
|
|
if (newPos === null) { continue; } else {i = newPos;};
|
|
newPos = readOptionalParams(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
|
|
} else if (seq === "def") {
|
|
newPos = read1arg(TokeniseResult, i);
|
|
if (newPos === null) { continue; } else {i = newPos;};
|
|
newPos = readOptionalDef(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
|
|
} else if (seq === "let") {
|
|
newPos = readLetDefinition(TokeniseResult, i);
|
|
if (newPos === null) { continue; } else {i = newPos;};
|
|
|
|
} else if (seq === "newcolumntype") {
|
|
newPos = read1name(TokeniseResult, i);
|
|
if (newPos === null) { continue; } else {i = newPos;};
|
|
newPos = readOptionalParams(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
|
|
} else if (seq === "newenvironment" || seq === "renewenvironment") {
|
|
newPos = read1name(TokeniseResult, i);
|
|
if (newPos === null) { continue; } else {i = newPos;};
|
|
newPos = readOptionalParams(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
} else if (seq === "verb") {
|
|
newPos = readVerb(TokeniseResult, i);
|
|
if (newPos === null) { TokenError(token, "invalid verbatim command"); } else {i = newPos;};
|
|
} else if (seq === "url") {
|
|
newPos = readUrl(TokeniseResult, i);
|
|
if (newPos === null) { TokenError(token, "invalid url command"); } else {i = newPos;};
|
|
} else if (seq === "left" || seq === "right") {
|
|
var nextToken = Tokens[i+1];
|
|
char = "";
|
|
if (nextToken && nextToken[1] === "Text") {
|
|
char = text.substring(nextToken[2], nextToken[2] + 1);
|
|
} else if (nextToken && nextToken[1] === "\\" && nextToken[5] == "control-symbol") {
|
|
char = nextToken[4];
|
|
} else if (nextToken && nextToken[1] === "\\") {
|
|
char = "unknown";
|
|
}
|
|
if (char === "" || (char !== "unknown" && "(){}[]<>/|\\.".indexOf(char) === -1)) {
|
|
TokenError(token, "invalid bracket command");
|
|
} else {
|
|
i = i + 1;
|
|
Environments.push({command:seq, token:token});
|
|
};
|
|
} else if (seq === "(" || seq === ")" || seq === "[" || seq === "]") {
|
|
Environments.push({command:seq, token:token});
|
|
} else if (seq === "input") {
|
|
newPos = read1filename(TokeniseResult, i);
|
|
if (newPos === null) { continue; } else {i = newPos;};
|
|
} else if (seq === "hbox" || seq === "text" || seq === "mbox" || seq === "footnote" || seq === "intertext" || seq === "shortintertext" || seq === "textnormal" || seq === "reflectbox" || seq === "textrm") {
|
|
nextGroupMathMode = false;
|
|
} else if (seq === "tag") {
|
|
newPos = readOptionalStar(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
nextGroupMathMode = false;
|
|
} else if (seq === "rotatebox" || seq === "scalebox" || seq == "feynmandiagram" || seq === "tikz") {
|
|
newPos = readOptionalGeneric(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
nextGroupMathMode = false;
|
|
} else if (seq === "resizebox") {
|
|
newPos = readOptionalGeneric(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
|
|
nextGroupMathMode = false;
|
|
} else if (seq === "DeclareMathOperator") {
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
} else if (seq === "DeclarePairedDelimiter") {
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
newPos = readDefinition(TokeniseResult, i);
|
|
if (newPos === null) { /* do nothing */ } else {i = newPos;};
|
|
} else if (typeof seq === "string" && seq.match(/^(alpha|beta|gamma|delta|epsilon|varepsilon|zeta|eta|theta|vartheta|iota|kappa|lambda|mu|nu|xi|pi|varpi|rho|varrho|sigma|varsigma|tau|upsilon|phi|varphi|chi|psi|omega|Gamma|Delta|Theta|Lambda|Xi|Pi|Sigma|Upsilon|Phi|Psi|Omega)$/)) {
|
|
var currentMathMode = Environments.getMathMode() ; // returns null / $(inline) / $$(display)
|
|
if (currentMathMode === null) {
|
|
TokenError(token, type + seq + " must be inside math mode", {mathMode:true});
|
|
};
|
|
} else if (typeof seq === "string" && seq.match(/^(chapter|section|subsection|subsubsection)$/)) {
|
|
currentMathMode = Environments.getMathMode() ; // returns null / $(inline) / $$(display)
|
|
if (currentMathMode) {
|
|
TokenError(token, type + seq + " used inside math mode", {mathMode:true});
|
|
Environments.resetMathMode();
|
|
};
|
|
} else if (typeof seq === "string" && seq.match(/^[a-z]+$/)) {
|
|
nextGroupMathMode = undefined;
|
|
};
|
|
|
|
} else if (type === "$") {
|
|
var lookAhead = Tokens[i+1];
|
|
var nextIsDollar = lookAhead && lookAhead[1] === "$";
|
|
currentMathMode = Environments.getMathMode() ; // returns null / $(inline) / $$(display)
|
|
if (nextIsDollar && (!currentMathMode || currentMathMode.command == "$$")) {
|
|
if (currentMathMode && currentMathMode.command == "$$") {
|
|
var delimiterToken = lookAhead;
|
|
} else {
|
|
var delimiterToken = token;
|
|
}
|
|
Environments.push({command:"$$", token:delimiterToken});
|
|
i = i + 1;
|
|
} else {
|
|
Environments.push({command:"$", token:token});
|
|
}
|
|
} else if (type === "^" || type === "_") {
|
|
currentMathMode = Environments.getMathMode() ; // returns null / $(inline) / $$(display)
|
|
var insideGroup = Environments.insideGroup(); // true if inside {....}
|
|
if (currentMathMode === null && !insideGroup) {
|
|
TokenError(token, type + " must be inside math mode", {mathMode:true});
|
|
};
|
|
}
|
|
};
|
|
|
|
if (seenUserDefinedBeginEquation && seenUserDefinedEndEquation) {
|
|
ErrorReporter.filterMath = true;
|
|
};
|
|
|
|
return Environments;
|
|
};
|
|
|
|
var DocumentTree = function(TokeniseResult) {
|
|
var tree = {
|
|
children: []
|
|
};
|
|
var stack = [tree];
|
|
|
|
this.openEnv = function(startDelimiter) {
|
|
var currentNode = this.getCurrentNode();
|
|
var newNode = {
|
|
startDelimiter: startDelimiter,
|
|
children: []
|
|
};
|
|
currentNode.children.push(newNode);
|
|
stack.push(newNode);
|
|
};
|
|
|
|
this.closeEnv = function(endDelimiter) {
|
|
if (stack.length == 1) {
|
|
return null
|
|
}
|
|
var currentNode = stack.pop();
|
|
currentNode.endDelimiter = endDelimiter;
|
|
return currentNode.startDelimiter;
|
|
};
|
|
|
|
this.getNthPreviousNode = function(n) {
|
|
var offset = stack.length - n - 1;
|
|
if (offset < 0)
|
|
return null;
|
|
return stack[offset];
|
|
}
|
|
|
|
this.getCurrentNode = function() {
|
|
return this.getNthPreviousNode(0);
|
|
}
|
|
|
|
this.getCurrentDelimiter = function() {
|
|
return this.getCurrentNode().startDelimiter;
|
|
};
|
|
|
|
this.getPreviousDelimiter = function() {
|
|
var node = this.getNthPreviousNode(1);
|
|
if (!node)
|
|
return null
|
|
return node.startDelimiter;
|
|
}
|
|
|
|
this.getDepth = function() {
|
|
return (stack.length - 1) // Root node doesn't count
|
|
}
|
|
|
|
this.getContexts = function() {
|
|
var linePosition = TokeniseResult.linePosition;
|
|
|
|
function tokenToRange(token) {
|
|
var line = token[0], start = token[2], end = token[3];
|
|
var start_col = start - linePosition[line];
|
|
if (!end) { end = start + 1; } ;
|
|
var end_col = end - linePosition[line];
|
|
return {
|
|
start: {
|
|
row: line,
|
|
column: start_col
|
|
},
|
|
end: {
|
|
row: line,
|
|
column: end_col
|
|
}
|
|
}
|
|
};
|
|
|
|
function getContextsFromNode(node) {
|
|
if (node.startDelimiter && node.startDelimiter.mathMode) {
|
|
var context = {
|
|
type: "math",
|
|
range: {
|
|
start: tokenToRange(node.startDelimiter.token).start
|
|
}
|
|
};
|
|
if (node.endDelimiter) {
|
|
var closeToken = node.endDelimiter.closeToken || node.endDelimiter.token;
|
|
context.range.end = tokenToRange(closeToken).end;
|
|
};
|
|
return [context];
|
|
} else {
|
|
var contexts = [];
|
|
for (var i = 0; i < node.children.length; i++) {
|
|
var child = node.children[i];
|
|
contexts = contexts.concat(getContextsFromNode(child));
|
|
}
|
|
return contexts;
|
|
}
|
|
};
|
|
|
|
return getContextsFromNode(tree);
|
|
}
|
|
}
|
|
|
|
var EnvHandler = function (TokeniseResult, ErrorReporter) {
|
|
var ErrorTo = ErrorReporter.EnvErrorTo;
|
|
var ErrorFromTo = ErrorReporter.EnvErrorFromTo;
|
|
var ErrorFrom = ErrorReporter.EnvErrorFrom;
|
|
|
|
var delimiters = [];
|
|
|
|
var document = new DocumentTree(TokeniseResult);
|
|
var documentClosed = null;
|
|
var inVerbatim = false;
|
|
var verbatimRanges = [];
|
|
|
|
this.getDocument = function() {
|
|
return document;
|
|
};
|
|
|
|
this.push = function (newDelimiter) {
|
|
this.setDelimiterProps(newDelimiter);
|
|
this.checkAndUpdateState(newDelimiter);
|
|
delimiters.push(newDelimiter);
|
|
};
|
|
|
|
this._endVerbatim = function (thisDelimiter) {
|
|
var lastDelimiter = document.getCurrentDelimiter();
|
|
if (lastDelimiter && lastDelimiter.name === thisDelimiter.name) {
|
|
inVerbatim = false;
|
|
document.closeEnv(thisDelimiter);
|
|
verbatimRanges.push({start: lastDelimiter.token[2], end: thisDelimiter.token[2]});
|
|
}
|
|
};
|
|
|
|
var invalidEnvs = [];
|
|
|
|
this._end = function (thisDelimiter) {
|
|
do {
|
|
var lastDelimiter = document.getCurrentDelimiter();
|
|
var retry = false;
|
|
var i;
|
|
|
|
if (closedBy(lastDelimiter, thisDelimiter)) {
|
|
document.closeEnv(thisDelimiter);
|
|
if (thisDelimiter.command === "end" && thisDelimiter.name === "document" && !documentClosed) {
|
|
documentClosed = thisDelimiter;
|
|
};
|
|
return;
|
|
} else if (!lastDelimiter) {
|
|
if (documentClosed) {
|
|
ErrorFromTo(documentClosed, thisDelimiter, "\\end{" + documentClosed.name + "} is followed by unexpected content",{errorAtStart: true, type: "info"});
|
|
} else {
|
|
ErrorTo(thisDelimiter, "unexpected " + getName(thisDelimiter));
|
|
}
|
|
} else if (invalidEnvs.length > 0 && (i = indexOfClosingEnvInArray(invalidEnvs, thisDelimiter) > -1)) {
|
|
invalidEnvs.splice(i, 1);
|
|
return;
|
|
} else {
|
|
var status = reportError(lastDelimiter, thisDelimiter);
|
|
if (delimiterPrecedence(lastDelimiter) < delimiterPrecedence(thisDelimiter)) {
|
|
document.closeEnv();
|
|
invalidEnvs.push(lastDelimiter);
|
|
retry = true;
|
|
} else {
|
|
var prevDelimiter = document.getPreviousDelimiter();
|
|
if(prevDelimiter) {
|
|
if (thisDelimiter.name === prevDelimiter.name) {
|
|
document.closeEnv() // Close current env
|
|
document.closeEnv(thisDelimiter) // Close previous env
|
|
return;
|
|
}
|
|
}
|
|
invalidEnvs.push(lastDelimiter);
|
|
}
|
|
|
|
}
|
|
} while (retry === true);
|
|
};
|
|
|
|
var CLOSING_DELIMITER = {
|
|
"{" : "}",
|
|
"left" : "right",
|
|
"[" : "]",
|
|
"(" : ")",
|
|
"$" : "$",
|
|
"$$": "$$"
|
|
};
|
|
|
|
var closedBy = function (lastDelimiter, thisDelimiter) {
|
|
if (!lastDelimiter) {
|
|
return false ;
|
|
} else if (thisDelimiter.command === "end") {
|
|
return lastDelimiter.command === "begin" && lastDelimiter.name === thisDelimiter.name;
|
|
} else if (thisDelimiter.command === CLOSING_DELIMITER[lastDelimiter.command]) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
var indexOfClosingEnvInArray = function (delimiters, thisDelimiter) {
|
|
for (var i = 0, n = delimiters.length; i < n ; i++) {
|
|
if (closedBy(delimiters[i], thisDelimiter)) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
|
|
var delimiterPrecedence = function (delimiter) {
|
|
var openScore = {
|
|
"{" : 1,
|
|
"left" : 2,
|
|
"$" : 3,
|
|
"$$" : 4,
|
|
"begin": 4
|
|
};
|
|
var closeScore = {
|
|
"}" : 1,
|
|
"right" : 2,
|
|
"$" : 3,
|
|
"$$" : 5,
|
|
"end": 4
|
|
};
|
|
if (delimiter.command) {
|
|
return openScore[delimiter.command] || closeScore[delimiter.command];
|
|
} else {
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
var getName = function(delimiter) {
|
|
var description = {
|
|
"{" : "open group {",
|
|
"}" : "close group }",
|
|
"[" : "open display math \\[",
|
|
"]" : "close display math \\]",
|
|
"(" : "open inline math \\(",
|
|
")" : "close inline math \\)",
|
|
"$" : "$",
|
|
"$$" : "$$",
|
|
"left" : "\\left",
|
|
"right" : "\\right"
|
|
};
|
|
if (delimiter.command === "begin" || delimiter.command === "end") {
|
|
return "\\" + delimiter.command + "{" + delimiter.name + "}";
|
|
} else if (delimiter.command in description) {
|
|
return description[delimiter.command];
|
|
} else {
|
|
return delimiter.command;
|
|
}
|
|
};
|
|
|
|
var EXTRA_CLOSE = 1;
|
|
var UNCLOSED_GROUP = 2;
|
|
var UNCLOSED_ENV = 3;
|
|
|
|
var reportError = function(lastDelimiter, thisDelimiter) {
|
|
if (!lastDelimiter) { // unexpected close, nothing was open!
|
|
if (documentClosed) {
|
|
ErrorFromTo(documentClosed, thisDelimiter, "\\end{" + documentClosed.name + "} is followed by unexpected end group }",{errorAtStart: true, type: "info"});
|
|
} else {
|
|
ErrorTo(thisDelimiter, "unexpected " + getName(thisDelimiter));
|
|
};
|
|
return EXTRA_CLOSE;
|
|
} else if (lastDelimiter.command === "{" && thisDelimiter.command === "end") {
|
|
ErrorFromTo(lastDelimiter, thisDelimiter, "unclosed " + getName(lastDelimiter) + " found at " + getName(thisDelimiter),
|
|
{suppressIfEditing:true, errorAtStart: true, type:"warning"});
|
|
return UNCLOSED_GROUP;
|
|
} else {
|
|
var pLast = delimiterPrecedence(lastDelimiter);
|
|
var pThis = delimiterPrecedence(thisDelimiter);
|
|
if (pThis > pLast) {
|
|
ErrorFromTo(lastDelimiter, thisDelimiter, "unclosed " + getName(lastDelimiter) + " found at " + getName(thisDelimiter),
|
|
{suppressIfEditing:true, errorAtStart: true});
|
|
} else {
|
|
ErrorFromTo(lastDelimiter, thisDelimiter, "unexpected " + getName(thisDelimiter) + " after " + getName(lastDelimiter));
|
|
}
|
|
return UNCLOSED_ENV;
|
|
};
|
|
};
|
|
|
|
this._beginMathMode = function (thisDelimiter) {
|
|
var currentMathMode = this.getMathMode(); // undefined, null, $, $$, name of mathmode env
|
|
if (currentMathMode) {
|
|
ErrorFrom(thisDelimiter, getName(thisDelimiter) + " used inside existing math mode " + getName(currentMathMode),
|
|
{suppressIfEditing:true, errorAtStart: true, mathMode:true});
|
|
};
|
|
thisDelimiter.mathMode = thisDelimiter;
|
|
document.openEnv(thisDelimiter);
|
|
};
|
|
|
|
this._toggleMathMode = function (thisDelimiter) {
|
|
var lastDelimiter = document.getCurrentDelimiter();
|
|
if (closedBy(lastDelimiter, thisDelimiter)) {
|
|
document.closeEnv(thisDelimiter)
|
|
return;
|
|
} else {
|
|
if (lastDelimiter && lastDelimiter.mathMode) {
|
|
this._end(thisDelimiter);
|
|
} else {
|
|
thisDelimiter.mathMode = thisDelimiter;
|
|
document.openEnv(thisDelimiter);
|
|
}
|
|
};
|
|
};
|
|
|
|
this.getMathMode = function () {
|
|
var currentDelimiter = document.getCurrentDelimiter();
|
|
if (currentDelimiter) {
|
|
return currentDelimiter.mathMode;
|
|
} else {
|
|
return null;
|
|
}
|
|
};
|
|
|
|
this.insideGroup = function () {
|
|
var currentDelimiter = document.getCurrentDelimiter();
|
|
if (currentDelimiter) {
|
|
return (currentDelimiter.command === "{");
|
|
} else {
|
|
return null;
|
|
}
|
|
};
|
|
|
|
var resetMathMode = function () {
|
|
var currentDelimiter = document.getCurrentDelimiter();
|
|
if (currentDelimiter) {
|
|
var lastMathMode = currentDelimiter.mathMode;
|
|
do {
|
|
var lastDelimiter = document.closeEnv();
|
|
} while (lastDelimiter && lastDelimiter !== lastMathMode);
|
|
} else {
|
|
return;
|
|
}
|
|
};
|
|
|
|
this.resetMathMode = resetMathMode;
|
|
|
|
var getNewMathMode = function (currentMathMode, thisDelimiter) {
|
|
var newMathMode = null;
|
|
|
|
if (thisDelimiter.command === "{") {
|
|
if (thisDelimiter.mathMode !== null) {
|
|
newMathMode = thisDelimiter.mathMode;
|
|
} else {
|
|
newMathMode = currentMathMode;
|
|
}
|
|
} else if (thisDelimiter.command === "left") {
|
|
if (currentMathMode === null) {
|
|
ErrorFrom(thisDelimiter, "\\left can only be used in math mode", {mathMode: true});
|
|
};
|
|
newMathMode = currentMathMode;
|
|
} else if (thisDelimiter.command === "begin") {
|
|
var name = thisDelimiter.name;
|
|
if (name) {
|
|
if (name.match(/^(document|figure|center|enumerate|itemize|table|abstract|proof|lemma|theorem|definition|proposition|corollary|remark|notation|thebibliography)$/)) {
|
|
if (currentMathMode) {
|
|
ErrorFromTo(currentMathMode, thisDelimiter, thisDelimiter.name + " used inside " + getName(currentMathMode),
|
|
{suppressIfEditing:true, errorAtStart: true, mathMode: true});
|
|
resetMathMode();
|
|
};
|
|
newMathMode = null;
|
|
} else if (name.match(/^(array|gathered|split|aligned|alignedat)\*?$/)) {
|
|
if (currentMathMode === null) {
|
|
ErrorFrom(thisDelimiter, thisDelimiter.name + " not inside math mode", {mathMode: true});
|
|
};
|
|
newMathMode = currentMathMode;
|
|
} else if (name.match(/^(math|displaymath|equation|eqnarray|multline|align|gather|flalign|alignat)\*?$/)) {
|
|
if (currentMathMode) {
|
|
ErrorFromTo(currentMathMode, thisDelimiter, thisDelimiter.name + " used inside " + getName(currentMathMode),
|
|
{suppressIfEditing:true, errorAtStart: true, mathMode: true});
|
|
resetMathMode();
|
|
};
|
|
newMathMode = thisDelimiter;
|
|
} else {
|
|
newMathMode = undefined; // undefined means we don't know if we are in math mode or not
|
|
}
|
|
}
|
|
};
|
|
return newMathMode;
|
|
};
|
|
|
|
this.checkAndUpdateState = function (thisDelimiter) {
|
|
if (inVerbatim) {
|
|
if (thisDelimiter.command === "end") {
|
|
this._endVerbatim(thisDelimiter);
|
|
} else {
|
|
return; // ignore anything in verbatim environments
|
|
}
|
|
} else if(thisDelimiter.command === "begin" || thisDelimiter.command === "{" || thisDelimiter.command === "left") {
|
|
if (thisDelimiter.verbatim) {inVerbatim = true;};
|
|
var currentMathMode = this.getMathMode(); // undefined, null, $, $$, name of mathmode env
|
|
var newMathMode = getNewMathMode(currentMathMode, thisDelimiter);
|
|
thisDelimiter.mathMode = newMathMode;
|
|
document.openEnv(thisDelimiter);
|
|
} else if (thisDelimiter.command === "end") {
|
|
this._end(thisDelimiter);
|
|
} else if (thisDelimiter.command === "(" || thisDelimiter.command === "[") {
|
|
this._beginMathMode(thisDelimiter);
|
|
} else if (thisDelimiter.command === ")" || thisDelimiter.command === "]") {
|
|
this._end(thisDelimiter);
|
|
} else if (thisDelimiter.command === "}") {
|
|
this._end(thisDelimiter);
|
|
} else if (thisDelimiter.command === "right") {
|
|
this._end(thisDelimiter);
|
|
} else if (thisDelimiter.command === "$" || thisDelimiter.command === "$$") {
|
|
this._toggleMathMode(thisDelimiter);
|
|
}
|
|
};
|
|
|
|
this.close = function () {
|
|
while (document.getDepth() > 0) {
|
|
var thisDelimiter = document.closeEnv();
|
|
if (thisDelimiter.command === "{") {
|
|
ErrorFrom(thisDelimiter, "unclosed group {", {type:"warning"});
|
|
} else {
|
|
ErrorFrom(thisDelimiter, "unclosed " + getName(thisDelimiter));
|
|
}
|
|
}
|
|
var vlen = verbatimRanges.length;
|
|
var len = ErrorReporter.tokenErrors.length;
|
|
if (vlen >0 && len > 0) {
|
|
for (var i = 0; i < len; i++) {
|
|
var tokenError = ErrorReporter.tokenErrors[i];
|
|
var startPos = tokenError.startPos;
|
|
var endPos = tokenError.endPos;
|
|
for (var j = 0; j < vlen; j++) {
|
|
if (startPos > verbatimRanges[j].start && startPos < verbatimRanges[j].end) {
|
|
tokenError.ignore = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
this.setDelimiterProps = function (delimiter) {
|
|
var name = delimiter.name ;
|
|
if (name && name.match(/^(verbatim|boxedverbatim|lstlisting|minted|Verbatim)$/)) {
|
|
delimiter.verbatim = true;
|
|
}
|
|
};
|
|
};
|
|
var ErrorReporter = function (TokeniseResult) {
|
|
var text = TokeniseResult.text;
|
|
var linePosition = TokeniseResult.linePosition;
|
|
var lineNumber = TokeniseResult.lineNumber;
|
|
|
|
var errors = [], tokenErrors = [];
|
|
this.errors = errors;
|
|
this.tokenErrors = tokenErrors;
|
|
this.filterMath = false;
|
|
|
|
this.getErrors = function () {
|
|
var returnedErrors = [];
|
|
for (var i = 0, len = tokenErrors.length; i < len; i++) {
|
|
if (!tokenErrors[i].ignore) { returnedErrors.push(tokenErrors[i]); }
|
|
}
|
|
var allErrors = returnedErrors.concat(errors);
|
|
var result = [];
|
|
var mathErrorCount = 0;
|
|
for (i = 0, len = allErrors.length; i < len; i++) {
|
|
if (allErrors[i].mathMode) {
|
|
mathErrorCount++;
|
|
}
|
|
if (mathErrorCount > 10) {
|
|
return [];
|
|
}
|
|
}
|
|
if (this.filterMath && mathErrorCount > 0) {
|
|
for (i = 0, len = allErrors.length; i < len; i++) {
|
|
if (!allErrors[i].mathMode) {
|
|
result.push(allErrors[i]);
|
|
}
|
|
}
|
|
return result;
|
|
} else {
|
|
return allErrors;
|
|
}
|
|
};
|
|
|
|
this.TokenError = function (token, message, options) {
|
|
if(!options) { options = { suppressIfEditing:true } ; };
|
|
var line = token[0], type = token[1], start = token[2], end = token[3];
|
|
var start_col = start - linePosition[line];
|
|
if (!end) { end = start + 1; } ;
|
|
var end_col = end - linePosition[line];
|
|
tokenErrors.push({row: line,
|
|
column: start_col,
|
|
start_row:line,
|
|
start_col: start_col,
|
|
end_row:line,
|
|
end_col: end_col,
|
|
type:"error",
|
|
text:message,
|
|
startPos: start,
|
|
endPos: end,
|
|
suppressIfEditing:options.suppressIfEditing,
|
|
mathMode: options.mathMode});
|
|
};
|
|
|
|
this.TokenErrorFromTo = function (fromToken, toToken, message, options) {
|
|
if(!options) { options = {suppressIfEditing:true } ; };
|
|
var fromLine = fromToken[0], fromStart = fromToken[2], fromEnd = fromToken[3];
|
|
var toLine = toToken[0], toStart = toToken[2], toEnd = toToken[3];
|
|
if (!toEnd) { toEnd = toStart + 1;};
|
|
var start_col = fromStart - linePosition[fromLine];
|
|
var end_col = toEnd - linePosition[toLine];
|
|
|
|
tokenErrors.push({row: fromLine,
|
|
column: start_col,
|
|
start_row: fromLine,
|
|
start_col: start_col,
|
|
end_row: toLine,
|
|
end_col: end_col,
|
|
type:"error",
|
|
text:message,
|
|
startPos: fromStart,
|
|
endPos: toEnd,
|
|
suppressIfEditing:options.suppressIfEditing,
|
|
mathMode: options.mathMode});
|
|
};
|
|
|
|
|
|
this.EnvErrorFromTo = function (fromEnv, toEnv, message, options) {
|
|
if(!options) { options = {} ; };
|
|
var fromToken = fromEnv.token, toToken = toEnv.closeToken || toEnv.token;
|
|
var fromLine = fromToken[0], fromStart = fromToken[2], fromEnd = fromToken[3];
|
|
if (!toToken) {toToken = fromToken;};
|
|
var toLine = toToken[0], toStart = toToken[2], toEnd = toToken[3];
|
|
if (!toEnd) { toEnd = toStart + 1;};
|
|
var start_col = fromStart - linePosition[fromLine];
|
|
var end_col = toEnd - linePosition[toLine];
|
|
errors.push({row: options.errorAtStart ? fromLine : toLine,
|
|
column: options.errorAtStart ? start_col: end_col,
|
|
start_row:fromLine,
|
|
start_col: start_col,
|
|
end_row:toLine,
|
|
end_col: end_col,
|
|
type: options.type ? options.type : "error",
|
|
text:message,
|
|
suppressIfEditing:options.suppressIfEditing,
|
|
mathMode: options.mathMode});
|
|
};
|
|
|
|
this.EnvErrorTo = function (toEnv, message, options) {
|
|
if(!options) { options = {} ; };
|
|
var token = toEnv.closeToken || toEnv.token;
|
|
var line = token[0], type = token[1], start = token[2], end = token[3];
|
|
if (!end) { end = start + 1; };
|
|
var end_col = end - linePosition[line];
|
|
var err = {row: line,
|
|
column: end_col,
|
|
start_row:0,
|
|
start_col: 0,
|
|
end_row: line,
|
|
end_col: end_col,
|
|
type: options.type ? options.type : "error",
|
|
text:message,
|
|
mathMode: options.mathMode};
|
|
errors.push(err);
|
|
};
|
|
|
|
this.EnvErrorFrom = function (delimiter, message, options) {
|
|
if(!options) { options = {} ; };
|
|
var token = delimiter.token;
|
|
var line = token[0], type = token[1], start = token[2], end = token[3];
|
|
var start_col = start - linePosition[line];
|
|
var end_col = Infinity;
|
|
errors.push({row: line,
|
|
column: start_col,
|
|
start_row:line,
|
|
start_col: start_col,
|
|
end_row: lineNumber,
|
|
end_col: end_col,
|
|
type: options.type ? options.type : "error",
|
|
text:message,
|
|
mathMode: options.mathMode});
|
|
};
|
|
};
|
|
|
|
var Parse = function (text) {
|
|
var TokeniseResult = Tokenise(text);
|
|
var Reporter = new ErrorReporter(TokeniseResult);
|
|
var Environments = InterpretTokens(TokeniseResult, Reporter);
|
|
Environments.close();
|
|
return {
|
|
errors: Reporter.getErrors(),
|
|
contexts: Environments.getDocument().getContexts()
|
|
}
|
|
};
|
|
});
|