| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| onmessage = function(event) { |
| if (!event.data.method) |
| return; |
| |
| self[event.data.method](event.data.params); |
| }; |
| |
| function format(params) |
| { |
| // Default to a 4-space indent. |
| var indentString = params.indentString || " "; |
| var result = {}; |
| |
| if (params.mimeType === "text/html") { |
| var formatter = new HTMLScriptFormatter(indentString); |
| result = formatter.format(params.content); |
| } else { |
| result.mapping = { original: [0], formatted: [0] }; |
| result.content = formatScript(params.content, result.mapping, 0, 0, indentString); |
| } |
| postMessage(result); |
| } |
| |
| function getChunkCount(totalLength, chunkSize) |
| { |
| if (totalLength <= chunkSize) |
| return 1; |
| |
| var remainder = totalLength % chunkSize; |
| var partialLength = totalLength - remainder; |
| return (partialLength / chunkSize) + (remainder ? 1 : 0); |
| } |
| |
| function outline(params) |
| { |
| const chunkSize = 100000; // characters per data chunk |
| const totalLength = params.content.length; |
| const lines = params.content.split("\n"); |
| const chunkCount = getChunkCount(totalLength, chunkSize); |
| var outlineChunk = []; |
| var previousIdentifier = null; |
| var previousToken = null; |
| var previousTokenType = null; |
| var currentChunk = 1; |
| var processedChunkCharacters = 0; |
| var addedFunction = false; |
| var isReadingArguments = false; |
| var argumentsText = ""; |
| var currentFunction = null; |
| var scriptTokenizer = new WebInspector.SourceJavaScriptTokenizer(); |
| scriptTokenizer.condition = scriptTokenizer.createInitialCondition(); |
| |
| for (var i = 0; i < lines.length; ++i) { |
| var line = lines[i]; |
| var column = 0; |
| scriptTokenizer.line = line; |
| do { |
| var newColumn = scriptTokenizer.nextToken(column); |
| var tokenType = scriptTokenizer.tokenType; |
| var tokenValue = line.substring(column, newColumn); |
| if (tokenType === "javascript-ident") { |
| previousIdentifier = tokenValue; |
| if (tokenValue && previousToken === "function") { |
| // A named function: "function f...". |
| currentFunction = { line: i, column: column, name: tokenValue }; |
| addedFunction = true; |
| previousIdentifier = null; |
| } |
| } else if (tokenType === "javascript-keyword") { |
| if (tokenValue === "function") { |
| if (previousIdentifier && (previousToken === "=" || previousToken === ":")) { |
| // Anonymous function assigned to an identifier: "...f = function..." |
| // or "funcName: function...". |
| currentFunction = { line: i, column: column, name: previousIdentifier }; |
| addedFunction = true; |
| previousIdentifier = null; |
| } |
| } |
| } else if (tokenValue === "." && previousTokenType === "javascript-ident") |
| previousIdentifier += "."; |
| else if (tokenValue === "(" && addedFunction) |
| isReadingArguments = true; |
| if (isReadingArguments && tokenValue) |
| argumentsText += tokenValue; |
| |
| if (tokenValue === ")" && isReadingArguments) { |
| addedFunction = false; |
| isReadingArguments = false; |
| currentFunction.arguments = argumentsText.replace(/,[\r\n\s]*/g, ", ").replace(/([^,])[\r\n\s]+/g, "$1"); |
| argumentsText = ""; |
| outlineChunk.push(currentFunction); |
| } |
| |
| if (tokenValue.trim().length) { |
| // Skip whitespace tokens. |
| previousToken = tokenValue; |
| previousTokenType = tokenType; |
| } |
| processedChunkCharacters += newColumn - column; |
| column = newColumn; |
| |
| if (processedChunkCharacters >= chunkSize) { |
| postMessage({ chunk: outlineChunk, total: chunkCount, index: currentChunk++ }); |
| outlineChunk = []; |
| processedChunkCharacters = 0; |
| } |
| } while (column < line.length); |
| } |
| postMessage({ chunk: outlineChunk, total: chunkCount, index: chunkCount }); |
| } |
| |
| function formatScript(content, mapping, offset, formattedOffset, indentString) |
| { |
| var formattedContent; |
| try { |
| var tokenizer = new Tokenizer(content); |
| var builder = new FormattedContentBuilder(tokenizer.content(), mapping, offset, formattedOffset, indentString); |
| var formatter = new JavaScriptFormatter(tokenizer, builder); |
| formatter.format(); |
| formattedContent = builder.content(); |
| } catch (e) { |
| formattedContent = content; |
| } |
| return formattedContent; |
| } |
| |
| WebInspector = {}; |
| |
| Array.prototype.keySet = function() |
| { |
| var keys = {}; |
| for (var i = 0; i < this.length; ++i) |
| keys[this[i]] = true; |
| return keys; |
| }; |
| |
| importScripts("SourceTokenizer.js"); |
| importScripts("SourceHTMLTokenizer.js"); |
| importScripts("SourceJavaScriptTokenizer.js"); |
| |
| HTMLScriptFormatter = function(indentString) |
| { |
| WebInspector.SourceHTMLTokenizer.call(this); |
| this._indentString = indentString; |
| } |
| |
| HTMLScriptFormatter.prototype = { |
| format: function(content) |
| { |
| this.line = content; |
| this._content = content; |
| this._formattedContent = ""; |
| this._mapping = { original: [0], formatted: [0] }; |
| this._position = 0; |
| |
| var cursor = 0; |
| while (cursor < this._content.length) |
| cursor = this.nextToken(cursor); |
| |
| this._formattedContent += this._content.substring(this._position); |
| return { content: this._formattedContent, mapping: this._mapping }; |
| }, |
| |
| scriptStarted: function(cursor) |
| { |
| this._formattedContent += this._content.substring(this._position, cursor); |
| this._formattedContent += "\n"; |
| this._position = cursor; |
| }, |
| |
| scriptEnded: function(cursor) |
| { |
| if (cursor === this._position) |
| return; |
| |
| var scriptContent = this._content.substring(this._position, cursor); |
| this._mapping.original.push(this._position); |
| this._mapping.formatted.push(this._formattedContent.length); |
| var formattedScriptContent = formatScript(scriptContent, this._mapping, this._position, this._formattedContent.length, this._indentString); |
| |
| this._formattedContent += formattedScriptContent; |
| this._position = cursor; |
| }, |
| |
| styleSheetStarted: function(cursor) |
| { |
| }, |
| |
| styleSheetEnded: function(cursor) |
| { |
| }, |
| |
| __proto__: WebInspector.SourceHTMLTokenizer.prototype |
| } |
| |
| function require() |
| { |
| return parse; |
| } |
| |
| var exports = {}; |
| importScripts("UglifyJS/parse-js.js"); |
| var parse = exports; |
| |
| importScripts("JavaScriptFormatter.js"); |