| /** |
| * @license Copyright (C) 2013 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package prettify.lang; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.regex.Pattern; |
| import prettify.parser.Prettify; |
| |
| /** |
| * This is similar to the lang-dart.js in JavaScript Prettify. |
| * |
| * All comments are adapted from the JavaScript Prettify. |
| * |
| * <p> |
| * Registers a language handler for Dart. |
| * |
| * |
| * Loosely structured based on the DartLexer in Pygments: http://pygments.org/. |
| * |
| * To use, include prettify.js and this file in your HTML page. |
| * Then put your code in an HTML tag like |
| * <pre class="prettyprint lang-dart">(Dart code)</pre> |
| * |
| * @author armstrong.timothy@gmail.com |
| */ |
| public class LangDart extends Lang { |
| |
| public LangDart() { |
| List<List<Object>> _shortcutStylePatterns = new ArrayList<List<Object>>(); |
| List<List<Object>> _fallthroughStylePatterns = new ArrayList<List<Object>>(); |
| |
| // Whitespace. |
| _shortcutStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_PLAIN, Pattern.compile("^[\t\n\r \\xA0]+"), null, "\t\n\r " + Character.toString((char) 0xA0)})); |
| |
| // Script tag. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_COMMENT, Pattern.compile("^#!(?:.*)")})); |
| // `import`, `library`, `part of`, `part`, `as`, `show`, and `hide` |
| // keywords. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_KEYWORD, Pattern.compile("^\\b(?:import|library|part of|part|as|show|hide)\\b", Pattern.CASE_INSENSITIVE)})); |
| // Single-line comments. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_COMMENT, Pattern.compile("^\\/\\/(?:.*)")})); |
| // Multiline comments. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_COMMENT, Pattern.compile("^\\/\\*[^*]*\\*+(?:[^\\/*][^*]*\\*+)*\\/")})); |
| // `class` and `interface` keywords. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_KEYWORD, Pattern.compile("^\\b(?:class|interface)\\b", Pattern.CASE_INSENSITIVE)})); |
| // General keywords. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_KEYWORD, Pattern.compile("^\\b(?:assert|break|case|catch|continue|default|do|else|finally|for|if|in|is|new|return|super|switch|this|throw|try|while)\\b", Pattern.CASE_INSENSITIVE)})); |
| // Declaration keywords. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_KEYWORD, Pattern.compile("^\\b(?:abstract|const|extends|factory|final|get|implements|native|operator|set|static|typedef|var)\\b", Pattern.CASE_INSENSITIVE)})); |
| // Keywords for types. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_TYPE, Pattern.compile("^\\b(?:bool|double|Dynamic|int|num|Object|String|void)\\b", Pattern.CASE_INSENSITIVE)})); |
| // Keywords for constants. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_KEYWORD, Pattern.compile("\\b(?:false|null|true)\\b", Pattern.CASE_INSENSITIVE)})); |
| // Multiline strings, single- and double-quoted. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_STRING, Pattern.compile("^r?[\\']{3}[\\s|\\S]*?[^\\\\][\\']{3}")})); |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_STRING, Pattern.compile("^r?[\\\"]{3}[\\s|\\S]*?[^\\\\][\\\"]{3}")})); |
| // Normal and raw strings, single- and double-quoted. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_STRING, Pattern.compile("^r?\\'(\\'|(?:[^\\n\\r\\f])*?[^\\\\]\\')")})); |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_STRING, Pattern.compile("^r?\\\"(\\\"|(?:[^\\n\\r\\f])*?[^\\\\]\\\")")})); |
| // Identifiers. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_PLAIN, Pattern.compile("^[a-z_$][a-z0-9_]*", Pattern.CASE_INSENSITIVE)})); |
| // Operators. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_PUNCTUATION, Pattern.compile("^[~!%^&*+=|?:<>/-]")})); |
| // Hex numbers. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_LITERAL, Pattern.compile("^\\b0x[0-9a-f]+", Pattern.CASE_INSENSITIVE)})); |
| // Decimal numbers. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_LITERAL, Pattern.compile("^\\b\\d+(?:\\.\\d*)?(?:e[+-]?\\d+)?", Pattern.CASE_INSENSITIVE)})); |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_LITERAL, Pattern.compile("^\\b\\.\\d+(?:e[+-]?\\d+)?", Pattern.CASE_INSENSITIVE)})); |
| // Punctuation. |
| _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_PUNCTUATION, Pattern.compile("^[(){}\\[\\],.;]")})); |
| |
| setShortcutStylePatterns(_shortcutStylePatterns); |
| setFallthroughStylePatterns(_fallthroughStylePatterns); |
| } |
| |
| public static List<String> getFileExtensions() { |
| return Arrays.asList(new String[]{"dart"}); |
| } |
| } |