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File: FrontEndScripts/libs/codemirror/addon/edit/closebrackets.js

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  Classes of Aleksey Nemiro   PHP Small Server Administrator   FrontEndScripts/libs/codemirror/addon/edit/closebrackets.js   Download  
File: FrontEndScripts/libs/codemirror/addon/edit/closebrackets.js
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Description: Auxiliary data
Class: PHP Small Server Administrator
Web panel for small Debian and Ubuntu servers
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Date: 8 years ago
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// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { var defaults = { pairs: "()[]{}''\"\"", triples: "", explode: "[]{}" }; var Pos = CodeMirror.Pos; CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) { if (old && old != CodeMirror.Init) { cm.removeKeyMap(keyMap); cm.state.closeBrackets = null; } if (val) { cm.state.closeBrackets = val; cm.addKeyMap(keyMap); } }); function getOption(conf, name) { if (name == "pairs" && typeof conf == "string") return conf; if (typeof conf == "object" && conf[name] != null) return conf[name]; return defaults[name]; } var bind = defaults.pairs + "`"; var keyMap = {Backspace: handleBackspace, Enter: handleEnter}; for (var i = 0; i < bind.length; i++) keyMap["'" + bind.charAt(i) + "'"] = handler(bind.charAt(i)); function handler(ch) { return function(cm) { return handleChar(cm, ch); }; } function getConfig(cm) { var deflt = cm.state.closeBrackets; if (!deflt) return null; var mode = cm.getModeAt(cm.getCursor()); return mode.closeBrackets || deflt; } function handleBackspace(cm) { var conf = getConfig(cm); if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass; var pairs = getOption(conf, "pairs"); var ranges = cm.listSelections(); for (var i = 0; i < ranges.length; i++) { if (!ranges[i].empty()) return CodeMirror.Pass; var around = charsAround(cm, ranges[i].head); if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass; } for (var i = ranges.length - 1; i >= 0; i--) { var cur = ranges[i].head; cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1), "+delete"); } } function handleEnter(cm) { var conf = getConfig(cm); var explode = conf && getOption(conf, "explode"); if (!explode || cm.getOption("disableInput")) return CodeMirror.Pass; var ranges = cm.listSelections(); for (var i = 0; i < ranges.length; i++) { if (!ranges[i].empty()) return CodeMirror.Pass; var around = charsAround(cm, ranges[i].head); if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass; } cm.operation(function() { cm.replaceSelection("\n\n", null); cm.execCommand("goCharLeft"); ranges = cm.listSelections(); for (var i = 0; i < ranges.length; i++) { var line = ranges[i].head.line; cm.indentLine(line, null, true); cm.indentLine(line + 1, null, true); } }); } function contractSelection(sel) { var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0; return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)), head: new Pos(sel.head.line, sel.head.ch + (inverted ? 1 : -1))}; } function handleChar(cm, ch) { var conf = getConfig(cm); if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass; var pairs = getOption(conf, "pairs"); var pos = pairs.indexOf(ch); if (pos == -1) return CodeMirror.Pass; var triples = getOption(conf, "triples"); var identical = pairs.charAt(pos + 1) == ch; var ranges = cm.listSelections(); var opening = pos % 2 == 0; var type, next; for (var i = 0; i < ranges.length; i++) { var range = ranges[i], cur = range.head, curType; var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1)); if (opening && !range.empty()) { curType = "surround"; } else if ((identical || !opening) && next == ch) { if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch) curType = "skipThree"; else curType = "skip"; } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 && cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch && (cur.ch <= 2 || cm.getRange(Pos(cur.line, cur.ch - 3), Pos(cur.line, cur.ch - 2)) != ch)) { curType = "addFour"; } else if (identical) { if (!CodeMirror.isWordChar(next) && enteringString(cm, cur, ch)) curType = "both"; else return CodeMirror.Pass; } else if (opening && (cm.getLine(cur.line).length == cur.ch || isClosingBracket(next, pairs) || /\s/.test(next))) { curType = "both"; } else { return CodeMirror.Pass; } if (!type) type = curType; else if (type != curType) return CodeMirror.Pass; } var left = pos % 2 ? pairs.charAt(pos - 1) : ch; var right = pos % 2 ? ch : pairs.charAt(pos + 1); cm.operation(function() { if (type == "skip") { cm.execCommand("goCharRight"); } else if (type == "skipThree") { for (var i = 0; i < 3; i++) cm.execCommand("goCharRight"); } else if (type == "surround") { var sels = cm.getSelections(); for (var i = 0; i < sels.length; i++) sels[i] = left + sels[i] + right; cm.replaceSelections(sels, "around"); sels = cm.listSelections().slice(); for (var i = 0; i < sels.length; i++) sels[i] = contractSelection(sels[i]); cm.setSelections(sels); } else if (type == "both") { cm.replaceSelection(left + right, null); cm.triggerElectric(left + right); cm.execCommand("goCharLeft"); } else if (type == "addFour") { cm.replaceSelection(left + left + left + left, "before"); cm.execCommand("goCharRight"); } }); } function isClosingBracket(ch, pairs) { var pos = pairs.lastIndexOf(ch); return pos > -1 && pos % 2 == 1; } function charsAround(cm, pos) { var str = cm.getRange(Pos(pos.line, pos.ch - 1), Pos(pos.line, pos.ch + 1)); return str.length == 2 ? str : null; } // Project the token type that will exists after the given char is // typed, and use it to determine whether it would cause the start // of a string token. function enteringString(cm, pos, ch) { var line = cm.getLine(pos.line); var token = cm.getTokenAt(pos); if (/\bstring2?\b/.test(token.type)) return false; var stream = new CodeMirror.StringStream(line.slice(0, pos.ch) + ch + line.slice(pos.ch), 4); stream.pos = stream.start = token.start; for (;;) { var type1 = cm.getMode().token(stream, token.state); if (stream.pos >= pos.ch + 1) return /\bstring2?\b/.test(type1); stream.start = stream.pos; } } });