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| (Empty) |
| 1 part of dart.convert; | |
| 2 const HtmlEscape HTML_ESCAPE = const HtmlEscape(); | |
| 3 class HtmlEscapeMode {final String _name; | |
| 4 final bool escapeLtGt; | |
| 5 final bool escapeQuot; | |
| 6 final bool escapeApos; | |
| 7 final bool escapeSlash; | |
| 8 static const HtmlEscapeMode UNKNOWN = const HtmlEscapeMode._('unknown', true, t
rue, true, true); | |
| 9 static const HtmlEscapeMode ATTRIBUTE = const HtmlEscapeMode._('attribute', fal
se, true, false, false); | |
| 10 static const HtmlEscapeMode ELEMENT = const HtmlEscapeMode._('element', true, f
alse, false, true); | |
| 11 const HtmlEscapeMode._(this._name, this.escapeLtGt, this.escapeQuot, this.escap
eApos, this.escapeSlash); | |
| 12 String toString() => _name; | |
| 13 } | |
| 14 class HtmlEscape extends Converter<String, String> {final HtmlEscapeMode mode; | |
| 15 const HtmlEscape([this.mode = HtmlEscapeMode.UNKNOWN]); | |
| 16 String convert(String text) { | |
| 17 var val = _convert(text, 0, text.length); | |
| 18 return val == null ? text : val; | |
| 19 } | |
| 20 String _convert(String text, int start, int end) { | |
| 21 StringBuffer result = null; | |
| 22 for (int i = start; i < end; i++) { | |
| 23 var ch = text[i]; | |
| 24 String replace = null; | |
| 25 switch (ch) {case '&': replace = '&'; | |
| 26 break; | |
| 27 case '\u00A0': replace = ' '; | |
| 28 break; | |
| 29 case '"': if (mode.escapeQuot) replace = '"'; | |
| 30 break; | |
| 31 case "'": if (mode.escapeApos) replace = '''; | |
| 32 break; | |
| 33 case '<': if (mode.escapeLtGt) replace = '<'; | |
| 34 break; | |
| 35 case '>': if (mode.escapeLtGt) replace = '>'; | |
| 36 break; | |
| 37 case '/': if (mode.escapeSlash) replace = '/'; | |
| 38 break; | |
| 39 } | |
| 40 if (replace != null) { | |
| 41 if (result == null) result = new StringBuffer(text.substring(start, i)); | |
| 42 result.write(replace); | |
| 43 } | |
| 44 else if (result != null) { | |
| 45 result.write(ch); | |
| 46 } | |
| 47 } | |
| 48 return result != null ? result.toString() : null; | |
| 49 } | |
| 50 StringConversionSink startChunkedConversion(Sink<String> sink) { | |
| 51 if (sink is! StringConversionSink) { | |
| 52 sink = new StringConversionSink.from(sink); | |
| 53 } | |
| 54 return new _HtmlEscapeSink(this, DEVC$RT.cast(sink, DEVC$RT.type((Sink<String>
_) { | |
| 55 } | |
| 56 ), StringConversionSink, "ImplicitCast", """line 79, column 38 of dart:convert/h
tml_escape.dart: """, sink is StringConversionSink, true)); | |
| 57 } | |
| 58 } | |
| 59 class _HtmlEscapeSink extends StringConversionSinkBase {final HtmlEscape _escap
e; | |
| 60 final StringConversionSink _sink; | |
| 61 _HtmlEscapeSink(this._escape, this._sink); | |
| 62 void addSlice(String chunk, int start, int end, bool isLast) { | |
| 63 var val = _escape._convert(chunk, start, end); | |
| 64 if (val == null) { | |
| 65 _sink.addSlice(chunk, start, end, isLast); | |
| 66 } | |
| 67 else { | |
| 68 _sink.add(val); | |
| 69 if (isLast) _sink.close(); | |
| 70 } | |
| 71 } | |
| 72 void close() => _sink.close(); | |
| 73 } | |
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Chromium Code Reviews
Issue 1148283010:
Remove dart backend (Closed)
Base URL: https://github.com/dart-lang/dev_compiler.git@master