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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 /// A class to generate an html page. | |
| 6 class HtmlGen { | |
| 7 final _buffer = new StringBuffer(); | |
| 8 final _tags = <String>[]; | |
| 9 final _indents = <bool>[]; | |
| 10 | |
| 11 bool _startOfLine = true; | |
| 12 String _indent = ''; | |
| 13 | |
| 14 HtmlGen() { | |
| 15 _init(); | |
| 16 } | |
| 17 | |
| 18 void _init() { | |
| 19 writeln('<!DOCTYPE html>'); | |
| 20 writeln(); | |
| 21 writeln('<!-- generated by dev_compiler -->'); | |
| 22 writeln(); | |
| 23 } | |
| 24 | |
| 25 void start( | |
| 26 {String title, | |
| 27 String cssRef, | |
| 28 String theme, | |
| 29 String jsScript, | |
| 30 String inlineStyle}) { | |
| 31 startTag('html', newLine: false); | |
| 32 writeln(); | |
| 33 startTag('head'); | |
| 34 writeln('<meta charset="utf-8">'); | |
| 35 writeln('<meta name="viewport" content="width=device-width, ' | |
| 36 'initial-scale=1.0">'); | |
| 37 if (title != null) { | |
| 38 writeln('<title>${title}</title>'); | |
| 39 } | |
| 40 if (cssRef != null) { | |
| 41 writeln('<link href="${cssRef}" rel="stylesheet" media="screen">'); | |
| 42 } | |
| 43 if (theme != null) { | |
| 44 writeln('<link href="${theme}" rel="stylesheet">'); | |
| 45 } | |
| 46 if (jsScript != null) { | |
| 47 writeln('<script src="${jsScript}"></script>'); | |
| 48 } | |
| 49 if (inlineStyle != null) { | |
| 50 startTag('style'); | |
| 51 writeln(inlineStyle); | |
| 52 endTag(); | |
| 53 } | |
| 54 endTag(); | |
| 55 writeln(); | |
| 56 startTag('body', newLine: false); | |
| 57 writeln(); | |
| 58 } | |
| 59 | |
| 60 void startTag(String tag, {String attributes, String c, bool newLine: true}) { | |
| 61 if (c != null && c.isNotEmpty) { | |
| 62 if (attributes == null) { | |
| 63 attributes = 'class="${c}"'; | |
| 64 } else { | |
| 65 attributes += ' class="${c}"'; | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 if (attributes != null) { | |
| 70 if (newLine) { | |
| 71 writeln('<${tag} ${attributes}>'); | |
| 72 } else { | |
| 73 write('<${tag} ${attributes}>'); | |
| 74 } | |
| 75 } else { | |
| 76 if (newLine) { | |
| 77 writeln('<${tag}>'); | |
| 78 } else { | |
| 79 write('<${tag}>'); | |
| 80 } | |
| 81 } | |
| 82 _indents.add(newLine); | |
| 83 if (newLine) { | |
| 84 _indent = '$_indent\t'; | |
| 85 } | |
| 86 _tags.add(tag); | |
| 87 } | |
| 88 | |
| 89 void span({String text, String c}) => tag('span', text: text, c: c); | |
| 90 | |
| 91 void tag(String tag, | |
| 92 {String text, String c, String href, String attributes}) { | |
| 93 if (attributes == null) attributes = ''; | |
| 94 if (text == null) text = ''; | |
| 95 | |
| 96 if (c != null && c.isNotEmpty) attributes += ' class="${c}"'; | |
| 97 if (href != null) attributes += ' href="${href}"'; | |
| 98 | |
| 99 if (attributes.isNotEmpty) attributes = ' ${attributes.trim()}'; | |
| 100 | |
| 101 writeln('<$tag$attributes>$text</$tag>'); | |
| 102 } | |
| 103 | |
| 104 void endTag() { | |
| 105 String tag = _tags.removeLast(); | |
| 106 bool wasIndent = _indents.removeLast(); | |
| 107 if (wasIndent) { | |
| 108 _indent = _indent.substring(0, _indent.length - 1); | |
| 109 } | |
| 110 writeln('</${tag}>'); | |
| 111 } | |
| 112 | |
| 113 void end() { | |
| 114 // body | |
| 115 endTag(); | |
| 116 // html | |
| 117 endTag(); | |
| 118 } | |
| 119 | |
| 120 String toString() => _buffer.toString(); | |
| 121 | |
| 122 void reset() { | |
| 123 _buffer.clear(); | |
| 124 _startOfLine = true; | |
| 125 _tags.clear(); | |
| 126 _indents.clear(); | |
| 127 _indent = ''; | |
| 128 | |
| 129 _init(); | |
| 130 } | |
| 131 | |
| 132 void write(String str) { | |
| 133 if (_startOfLine) { | |
| 134 _buffer.write(_indent); | |
| 135 _startOfLine = false; | |
| 136 } | |
| 137 _buffer.write(str); | |
| 138 } | |
| 139 | |
| 140 void writeln([String str]) { | |
| 141 if (str == null) { | |
| 142 write('\n'); | |
| 143 } else { | |
| 144 write('${str}\n'); | |
| 145 } | |
| 146 _startOfLine = true; | |
| 147 } | |
| 148 } | |
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Chromium Code Reviews
Issue 1788973002:
Remove code that requires whole-program compile (Closed)
Base URL: git@github.com:dart-lang/dev_compiler.git@master