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62 lines
2.2 KiB
JavaScript
62 lines
2.2 KiB
JavaScript
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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if (!CodeMirror.modeURL) CodeMirror.modeURL = "../mode/%N/%N.js";
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var loading = {};
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function splitCallback(cont, n) {
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var countDown = n;
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return function() { if (--countDown == 0) cont(); };
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}
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function ensureDeps(mode, cont) {
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var deps = CodeMirror.modes[mode].dependencies;
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if (!deps) return cont();
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var missing = [];
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for (var i = 0; i < deps.length; ++i) {
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if (!CodeMirror.modes.hasOwnProperty(deps[i]))
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missing.push(deps[i]);
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}
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if (!missing.length) return cont();
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var split = splitCallback(cont, missing.length);
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for (var i = 0; i < missing.length; ++i)
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CodeMirror.requireMode(missing[i], split);
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}
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CodeMirror.requireMode = function(mode, cont) {
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if (typeof mode != "string") mode = mode.name;
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if (CodeMirror.modes.hasOwnProperty(mode)) return ensureDeps(mode, cont);
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if (loading.hasOwnProperty(mode)) return loading[mode].push(cont);
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var script = document.createElement("script");
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script.src = CodeMirror.modeURL.replace(/%N/g, mode);
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var others = document.getElementsByTagName("script")[0];
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others.parentNode.insertBefore(script, others);
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var list = loading[mode] = [cont];
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var count = 0, poll = setInterval(function() {
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if (++count > 100) return clearInterval(poll);
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if (CodeMirror.modes.hasOwnProperty(mode)) {
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clearInterval(poll);
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loading[mode] = null;
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ensureDeps(mode, function() {
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for (var i = 0; i < list.length; ++i) list[i]();
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});
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}
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}, 200);
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};
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CodeMirror.autoLoadMode = function(instance, mode) {
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if (!CodeMirror.modes.hasOwnProperty(mode))
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CodeMirror.requireMode(mode, function() {
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instance.setOption("mode", instance.getOption("mode"));
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});
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};
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});
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