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/** * findAndReplaceDOMText v 0.4.6 * @author James Padolsey http://james.padolsey.com * @license http://unlicense.org/UNLICENSE * * Matches the text of a DOM node against a regular expression * and replaces each match (or node-separated portions of the match) * in the specified element. */ (function (root, factory) { if (typeof module === 'object' && module.exports) { // Node/CommonJS module.exports = factory(); } else if (typeof define === 'function' && define.amd) { // AMD. Register as an anonymous module. define(factory); } else { // Browser globals root.findAndReplaceDOMText = factory(); } }(this, function factory() { var PORTION_MODE_RETAIN = 'retain'; var PORTION_MODE_FIRST = 'first'; var doc = document; var hasOwn = {}.hasOwnProperty; function escapeRegExp(s) { return String(s).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); } function exposed() { // Try deprecated arg signature first: return deprecated.apply(null, arguments) || findAndReplaceDOMText.apply(null, arguments); } function deprecated(regex, node, replacement, captureGroup, elFilter) { if ((node && !node.nodeType) && arguments.length <= 2) { return false; } var isReplacementFunction = typeof replacement == 'function'; if (isReplacementFunction) { replacement = (function(original) { return function(portion, match) { return original(portion.text, match.startIndex); }; }(replacement)); } // Awkward support for deprecated argument signature (<0.4.0) var instance = findAndReplaceDOMText(node, { find: regex, wrap: isReplacementFunction ? null : replacement, replace: isReplacementFunction ? replacement : '$' + (captureGroup || '&'), prepMatch: function(m, mi) { // Support captureGroup (a deprecated feature) if (!m[0]) throw 'findAndReplaceDOMText cannot handle zero-length matches'; if (captureGroup > 0) { var cg = m[captureGroup]; m.index += m[0].indexOf(cg); m[0] = cg; } m.endIndex = m.index + m[0].length; m.startIndex = m.index; m.index = mi; return m; }, filterElements: elFilter }); exposed.revert = function() { return instance.revert(); }; return true; } /** * findAndReplaceDOMText * * Locates matches and replaces with replacementNode * * @param {Node} node Element or Text node to search within * @param {RegExp} options.find The regular expression to match * @param {String|Element} [options.wrap] A NodeName, or a Node to clone * @param {String} [options.wrapClass] A classname to append to the wrapping element * @param {String|Function} [options.replace='$&'] What to replace each match with * @param {Function} [options.filterElements] A Function to be called to check whether to * process an element. (returning true = process element, * returning false = avoid element) */ function findAndReplaceDOMText(node, options) { return new Finder(node, options); } exposed.NON_PROSE_ELEMENTS = { br:1, hr:1, // Media / Source elements: script:1, style:1, img:1, video:1, audio:1, canvas:1, svg:1, map:1, object:1, // Input elements input:1, textarea:1, select:1, option:1, optgroup: 1, button:1 }; exposed.NON_CONTIGUOUS_PROSE_ELEMENTS = { // Elements that will not contain prose or block elements where we don't // want prose to be matches across element borders: // Block Elements address:1, article:1, aside:1, blockquote:1, dd:1, div:1, dl:1, fieldset:1, figcaption:1, figure:1, footer:1, form:1, h1:1, h2:1, h3:1, h4:1, h5:1, h6:1, header:1, hgroup:1, hr:1, main:1, nav:1, noscript:1, ol:1, output:1, p:1, pre:1, section:1, ul:1, // Other misc. elements that are not part of continuous inline prose: br:1, li: 1, summary: 1, dt:1, details:1, rp:1, rt:1, rtc:1, // Media / Source elements: script:1, style:1, img:1, video:1, audio:1, canvas:1, svg:1, map:1, object:1, // Input elements input:1, textarea:1, select:1, option:1, optgroup:1, button:1, // Table related elements: table:1, tbody:1, thead:1, th:1, tr:1, td:1, caption:1, col:1, tfoot:1, colgroup:1 }; exposed.NON_INLINE_PROSE = function(el) { return hasOwn.call(exposed.NON_CONTIGUOUS_PROSE_ELEMENTS, el.nodeName.toLowerCase()); }; // Presets accessed via `options.preset` when calling findAndReplaceDOMText(): exposed.PRESETS = { prose: { forceContext: exposed.NON_INLINE_PROSE, filterElements: function(el) { return !hasOwn.call(exposed.NON_PROSE_ELEMENTS, el.nodeName.toLowerCase()); } } }; exposed.Finder = Finder; /** * Finder -- encapsulates logic to find and replace. */ function Finder(node, options) { var preset = options.preset && exposed.PRESETS[options.preset]; options.portionMode = options.portionMode || PORTION_MODE_RETAIN; if (preset) { for (var i in preset) { if (hasOwn.call(preset, i) && !hasOwn.call(options, i)) { options[i] = preset[i]; } } } this.node = node; this.options = options; // Enable match-preparation method to be passed as option: this.prepMatch = options.prepMatch || this.prepMatch; this.reverts = []; this.matches = this.search(); if (this.matches.length) { this.processMatches(); } } Finder.prototype = { /** * Searches for all matches that comply with the instance's 'match' option */ search: function() { var match; var matchIndex = 0; var offset = 0; var regex = this.options.find; var textAggregation = this.getAggregateText(); var matches = []; var self = this; regex = typeof regex === 'string' ? RegExp(escapeRegExp(regex), 'g') : regex; matchAggregation(textAggregation); function matchAggregation(textAggregation) { for (var i = 0, l = textAggregation.length; i < l; ++i) { var text = textAggregation[i]; if (typeof text !== 'string') { // Deal with nested contexts: (recursive) matchAggregation(text); continue; } if (regex.global) { while (match = regex.exec(text)) { matches.push(self.prepMatch(match, matchIndex++, offset)); } } else { if (match = text.match(regex)) { matches.push(self.prepMatch(match, 0, offset)); } } offset += text.length; } } return matches; }, /** * Prepares a single match with useful meta info: */ prepMatch: function(match, matchIndex, characterOffset) { if (!match[0]) { throw new Error('findAndReplaceDOMText cannot handle zero-length matches'); } match.endIndex = characterOffset + match.index + match[0].length; match.startIndex = characterOffset + match.index; match.index = matchIndex; return match; }, /** * Gets aggregate text within subject node */ getAggregateText: function() { var elementFilter = this.options.filterElements; var forceContext = this.options.forceContext; return getText(this.node); /** * Gets aggregate text of a node without resorting * to broken innerText/textContent */ function getText(node) { if (node.nodeType === Node.TEXT_NODE) { return [node.data]; } if (elementFilter && !elementFilter(node)) { return []; } var txt = ['']; var i = 0; if (node = node.firstChild) do { if (node.nodeType === Node.TEXT_NODE) { txt[i] += node.data; continue; } var innerText = getText(node); if ( forceContext && node.nodeType === Node.ELEMENT_NODE && (forceContext === true || forceContext(node)) ) { txt[++i] = innerText; txt[++i] = ''; } else { if (typeof innerText[0] === 'string') { // Bridge nested text-node data so that they're // not considered their own contexts: // I.e. ['some', ['thing']] -> ['something'] txt[i] += innerText.shift(); } if (innerText.length) { txt[++i] = innerText; txt[++i] = ''; } } } while (node = node.nextSibling); return txt; } }, /** * Steps through the target node, looking for matches, and * calling replaceFn when a match is found. */ processMatches: function() { var matches = this.matches; var node = this.node; var elementFilter = this.options.filterElements; var startPortion, endPortion, innerPortions = [], curNode = node, match = matches.shift(), atIndex = 0, // i.e. nodeAtIndex matchIndex = 0, portionIndex = 0, doAvoidNode, nodeStack = [node]; out: while (true) { if (curNode.nodeType === Node.TEXT_NODE) { if (!endPortion && curNode.length + atIndex >= match.endIndex) { // We've found the ending // (Note that, in the case of a single portion, it'll be an // endPortion, not a startPortion.) endPortion = { node: curNode, index: portionIndex++, text: curNode.data.substring(match.startIndex - atIndex, match.endIndex - atIndex), // If it's the first match (atIndex==0) we should just return 0 indexInMatch: atIndex === 0 ? 0 : atIndex - match.startIndex, indexInNode: match.startIndex - atIndex, endIndexInNode: match.endIndex - atIndex, isEnd: true }; } else if (startPortion) { // Intersecting node innerPortions.push({ node: curNode, index: portionIndex++, text: curNode.data, indexInMatch: atIndex - match.startIndex, indexInNode: 0 // always zero for inner-portions }); } if (!startPortion && curNode.length + atIndex > match.startIndex) { // We've found the match start startPortion = { node: curNode, index: portionIndex++, indexInMatch: 0, indexInNode: match.startIndex - atIndex, endIndexInNode: match.endIndex - atIndex, text: curNode.data.substring(match.startIndex - atIndex, match.endIndex - atIndex) }; } atIndex += curNode.data.length; } doAvoidNode = curNode.nodeType === Node.ELEMENT_NODE && elementFilter && !elementFilter(curNode); if (startPortion && endPortion) { curNode = this.replaceMatch(match, startPortion, innerPortions, endPortion); // processMatches has to return the node that replaced the endNode // and then we step back so we can continue from the end of the // match: atIndex -= (endPortion.node.data.length - endPortion.endIndexInNode); startPortion = null; endPortion = null; innerPortions = []; match = matches.shift(); portionIndex = 0; matchIndex++; if (!match) { break; // no more matches } } else if ( !doAvoidNode && (curNode.firstChild || curNode.nextSibling) ) { // Move down or forward: if (curNode.firstChild) { nodeStack.push(curNode); curNode = curNode.firstChild; } else { curNode = curNode.nextSibling; } continue; } // Move forward or up: while (true) { if (curNode.nextSibling) { curNode = curNode.nextSibling; break; } curNode = nodeStack.pop(); if (curNode === node) { break out; } } } }, /** * Reverts ... TODO */ revert: function() { // Reversion occurs backwards so as to avoid nodes subsequently // replaced during the matching phase (a forward process): for (var l = this.reverts.length; l--;) { this.reverts[l](); } this.reverts = []; }, prepareReplacementString: function(string, portion, match) { var portionMode = this.options.portionMode; if ( portionMode === PORTION_MODE_FIRST && portion.indexInMatch > 0 ) { return ''; } string = string.replace(/\$(\d+|&|`|')/g, function($0, t) { var replacement; switch(t) { case '&': replacement = match[0]; break; case '`': replacement = match.input.substring(0, match.startIndex); break; case '\'': replacement = match.input.substring(match.endIndex); break; default: replacement = match[+t] || ''; } return replacement; }); if (portionMode === PORTION_MODE_FIRST) { return string; } if (portion.isEnd) { return string.substring(portion.indexInMatch); } return string.substring(portion.indexInMatch, portion.indexInMatch + portion.text.length); }, getPortionReplacementNode: function(portion, match) { var replacement = this.options.replace || '$&'; var wrapper = this.options.wrap; var wrapperClass = this.options.wrapClass; if (wrapper && wrapper.nodeType) { // Wrapper has been provided as a stencil-node for us to clone: var clone = doc.createElement('div'); clone.innerHTML = wrapper.outerHTML || new XMLSerializer().serializeToString(wrapper); wrapper = clone.firstChild; } if (typeof replacement == 'function') { replacement = replacement(portion, match); if (replacement && replacement.nodeType) { return replacement; } return doc.createTextNode(String(replacement)); } var el = typeof wrapper == 'string' ? doc.createElement(wrapper) : wrapper; if (el && wrapperClass) { el.className = wrapperClass; } replacement = doc.createTextNode( this.prepareReplacementString( replacement, portion, match ) ); if (!replacement.data) { return replacement; } if (!el) { return replacement; } el.appendChild(replacement); return el; }, replaceMatch: function(match, startPortion, innerPortions, endPortion) { var matchStartNode = startPortion.node; var matchEndNode = endPortion.node; var precedingTextNode; var followingTextNode; if (matchStartNode === matchEndNode) { var node = matchStartNode; if (startPortion.indexInNode > 0) { // Add `before` text node (before the match) precedingTextNode = doc.createTextNode(node.data.substring(0, startPortion.indexInNode)); node.parentNode.insertBefore(precedingTextNode, node); } // Create the replacement node: var newNode = this.getPortionReplacementNode( endPortion, match ); node.parentNode.insertBefore(newNode, node); if (endPortion.endIndexInNode < node.length) { // ????? // Add `after` text node (after the match) followingTextNode = doc.createTextNode(node.data.substring(endPortion.endIndexInNode)); node.parentNode.insertBefore(followingTextNode, node); } node.parentNode.removeChild(node); this.reverts.push(function() { if (precedingTextNode === newNode.previousSibling) { precedingTextNode.parentNode.removeChild(precedingTextNode); } if (followingTextNode === newNode.nextSibling) { followingTextNode.parentNode.removeChild(followingTextNode); } newNode.parentNode.replaceChild(node, newNode); }); return newNode; } else { // Replace matchStartNode -> [innerMatchNodes...] -> matchEndNode (in that order) precedingTextNode = doc.createTextNode( matchStartNode.data.substring(0, startPortion.indexInNode) ); followingTextNode = doc.createTextNode( matchEndNode.data.substring(endPortion.endIndexInNode) ); var firstNode = this.getPortionReplacementNode( startPortion, match ); var innerNodes = []; for (var i = 0, l = innerPortions.length; i < l; ++i) { var portion = innerPortions[i]; var innerNode = this.getPortionReplacementNode( portion, match ); portion.node.parentNode.replaceChild(innerNode, portion.node); this.reverts.push((function(portion, innerNode) { return function() { innerNode.parentNode.replaceChild(portion.node, innerNode); }; }(portion, innerNode))); innerNodes.push(innerNode); } var lastNode = this.getPortionReplacementNode( endPortion, match ); matchStartNode.parentNode.insertBefore(precedingTextNode, matchStartNode); matchStartNode.parentNode.insertBefore(firstNode, matchStartNode); matchStartNode.parentNode.removeChild(matchStartNode); matchEndNode.parentNode.insertBefore(lastNode, matchEndNode); matchEndNode.parentNode.insertBefore(followingTextNode, matchEndNode); matchEndNode.parentNode.removeChild(matchEndNode); this.reverts.push(function() { precedingTextNode.parentNode.removeChild(precedingTextNode); firstNode.parentNode.replaceChild(matchStartNode, firstNode); followingTextNode.parentNode.removeChild(followingTextNode); lastNode.parentNode.replaceChild(matchEndNode, lastNode); }); return lastNode; } } }; return exposed; })); // ==UserScript== // @name New Userscript // @namespace http://tampermonkey.net/ // @version 0.1 // @description try to take over the world! // @license MIT // @author You // @match https://www.fallensword.com/* // @grant none // ==/UserScript== (function() { 'use strict'; var regex = new RegExp("fishboy95", "g"); findAndReplaceDOMText(document.body, { find: regex, replace: function(portion) { var e = document.createElement('span'); e.appendChild(document.createTextNode("fishMAN95")); return e; } }); // Your code here... })();