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File: FrontEndScripts/libs/codemirror/addon/wrap/hardwrap.js

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File: FrontEndScripts/libs/codemirror/addon/wrap/hardwrap.js
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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) { "use strict"; var Pos = CodeMirror.Pos; function findParagraph(cm, pos, options) { var startRE = options.paragraphStart || cm.getHelper(pos, "paragraphStart"); for (var start = pos.line, first = cm.firstLine(); start > first; --start) { var line = cm.getLine(start); if (startRE && startRE.test(line)) break; if (!/\S/.test(line)) { ++start; break; } } var endRE = options.paragraphEnd || cm.getHelper(pos, "paragraphEnd"); for (var end = pos.line + 1, last = cm.lastLine(); end <= last; ++end) { var line = cm.getLine(end); if (endRE && endRE.test(line)) { ++end; break; } if (!/\S/.test(line)) break; } return {from: start, to: end}; } function findBreakPoint(text, column, wrapOn, killTrailingSpace) { for (var at = column; at > 0; --at) if (wrapOn.test(text.slice(at - 1, at + 1))) break; for (var first = true;; first = false) { var endOfText = at; if (killTrailingSpace) while (text.charAt(endOfText - 1) == " ") --endOfText; if (endOfText == 0 && first) at = column; else return {from: endOfText, to: at}; } } function wrapRange(cm, from, to, options) { from = cm.clipPos(from); to = cm.clipPos(to); var column = options.column || 80; var wrapOn = options.wrapOn || /\s\S|-[^\.\d]/; var killTrailing = options.killTrailingSpace !== false; var changes = [], curLine = "", curNo = from.line; var lines = cm.getRange(from, to, false); if (!lines.length) return null; var leadingSpace = lines[0].match(/^[ \t]*/)[0]; for (var i = 0; i < lines.length; ++i) { var text = lines[i], oldLen = curLine.length, spaceInserted = 0; if (curLine && text && !wrapOn.test(curLine.charAt(curLine.length - 1) + text.charAt(0))) { curLine += " "; spaceInserted = 1; } var spaceTrimmed = ""; if (i) { spaceTrimmed = text.match(/^\s*/)[0]; text = text.slice(spaceTrimmed.length); } curLine += text; if (i) { var firstBreak = curLine.length > column && leadingSpace == spaceTrimmed && findBreakPoint(curLine, column, wrapOn, killTrailing); // If this isn't broken, or is broken at a different point, remove old break if (!firstBreak || firstBreak.from != oldLen || firstBreak.to != oldLen + spaceInserted) { changes.push({text: [spaceInserted ? " " : ""], from: Pos(curNo, oldLen), to: Pos(curNo + 1, spaceTrimmed.length)}); } else { curLine = leadingSpace + text; ++curNo; } } while (curLine.length > column) { var bp = findBreakPoint(curLine, column, wrapOn, killTrailing); changes.push({text: ["", leadingSpace], from: Pos(curNo, bp.from), to: Pos(curNo, bp.to)}); curLine = leadingSpace + curLine.slice(bp.to); ++curNo; } } if (changes.length) cm.operation(function() { for (var i = 0; i < changes.length; ++i) { var change = changes[i]; if (change.text || CodeMirror.cmpPos(change.from, change.to)) cm.replaceRange(change.text, change.from, change.to); } }); return changes.length ? {from: changes[0].from, to: CodeMirror.changeEnd(changes[changes.length - 1])} : null; } CodeMirror.defineExtension("wrapParagraph", function(pos, options) { options = options || {}; if (!pos) pos = this.getCursor(); var para = findParagraph(this, pos, options); return wrapRange(this, Pos(para.from, 0), Pos(para.to - 1), options); }); CodeMirror.commands.wrapLines = function(cm) { cm.operation(function() { var ranges = cm.listSelections(), at = cm.lastLine() + 1; for (var i = ranges.length - 1; i >= 0; i--) { var range = ranges[i], span; if (range.empty()) { var para = findParagraph(cm, range.head, {}); span = {from: Pos(para.from, 0), to: Pos(para.to - 1)}; } else { span = {from: range.from(), to: range.to()}; } if (span.to.line >= at) continue; at = span.from.line; wrapRange(cm, span.from, span.to, {}); } }); }; CodeMirror.defineExtension("wrapRange", function(from, to, options) { return wrapRange(this, from, to, options || {}); }); CodeMirror.defineExtension("wrapParagraphsInRange", function(from, to, options) { options = options || {}; var cm = this, paras = []; for (var line = from.line; line <= to.line;) { var para = findParagraph(cm, Pos(line, 0), options); paras.push(para); line = para.to; } var madeChange = false; if (paras.length) cm.operation(function() { for (var i = paras.length - 1; i >= 0; --i) madeChange = madeChange || wrapRange(cm, Pos(paras[i].from, 0), Pos(paras[i].to - 1), options); }); return madeChange; }); });