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Optimize parsing

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This commit is contained in:
Pierre HUBERT 2020-04-16 12:18:39 +02:00
parent 45d3f93192
commit 7014ded7f0
1 changed files with 21 additions and 7 deletions
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28
lib/ui/widgets/text_widget.dart
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@ -11,7 +11,7 @@ import 'package:url_launcher/url_launcher.dart';
/// ///
/// @author Pierre Hubert /// @author Pierre Hubert
class TextWidget extends StatelessWidget { class TextWidget extends StatefulWidget {
final String content; final String content;
final bool parseBBcode; final bool parseBBcode;
final TextStyle style; final TextStyle style;
@ -25,26 +25,40 @@ class TextWidget extends StatelessWidget {
assert(parseBBcode != null), assert(parseBBcode != null),
super(key: key); super(key: key);
@override
_TextWidgetState createState() => _TextWidgetState();
}
class _TextWidgetState extends State<TextWidget> {
Widget _cache;
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
var content = EmojiParser().emojify(this.content); if (_cache == null) _cache = doBuild();
return _cache;
}
Widget doBuild() {
var content = EmojiParser().emojify(this.widget.content);
// Parse BBcode // Parse BBcode
if (this.parseBBcode) if (this.widget.parseBBcode)
return BBCodeParsedWidget( return BBCodeParsedWidget(
text: content, text: content,
parseCallback: (style, text) => _parseLinks(context, text, style), parseCallback: (style, text) => _parseLinks(text, style),
); );
// Just parse link // Just parse link
return RichText( return RichText(
text: TextSpan(children: _parseLinks(context, content, style)), text: TextSpan(children: _parseLinks(content, widget.style)),
); );
} }
/// Sub parse function /// Sub parse function
List<InlineSpan> _parseLinks( List<InlineSpan> _parseLinks(String text, TextStyle style) {
BuildContext context, String text, TextStyle style) { if (style == null) style = TextStyle();
var buff = StringBuffer(); var buff = StringBuffer();
final list = new List<InlineSpan>(); final list = new List<InlineSpan>();