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feat: migrate markdown parser

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This commit is contained in:
cogwheel0
2025-08-20 17:01:46 +05:30
parent d2af55c5aa
commit 424aa7bffd
5 changed files with 453 additions and 249 deletions
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171
lib/features/chat/widgets/documentation_message_widget.dart
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@@ -1,12 +1,11 @@
import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'dart:async';
import 'package:gpt_markdown/gpt_markdown.dart';
import 'dart:io' show Platform;
import '../../../shared/theme/theme_extensions.dart';
import '../../../shared/widgets/markdown/streaming_markdown_widget.dart';
import '../../../core/utils/reasoning_parser.dart';
class DocumentationMessageWidget extends ConsumerStatefulWidget {
@@ -409,175 +408,13 @@ class _DocumentationMessageWidgetState
return const SizedBox.shrink();
}
final codeFence = RegExp(
r"```([\w\-\+\.#]*)\n([\s\S]*?)```",
multiLine: true,
);
final widgets = <Widget>[];
int lastIndex = 0;
for (final match in codeFence.allMatches(content)) {
if (match.start > lastIndex) {
final textSegment = content.substring(lastIndex, match.start);
widgets.add(
MediaQuery(
data: MediaQuery.of(context).copyWith(textScaler: const TextScaler.linear(1.0)),
child: GptMarkdown(
textSegment,
style: AppTypography.chatMessageStyle.copyWith(
color: context.conduitTheme.textPrimary,
),
),
),
);
}
final language = match.group(1)?.trim().isEmpty == true
? null
: match.group(1)!.trim();
final code = match.group(2) ?? '';
widgets.add(_buildCodeBlock(code, language));
lastIndex = match.end;
}
if (lastIndex < content.length) {
final tail = content.substring(lastIndex);
widgets.add(
MediaQuery(
data: MediaQuery.of(context).copyWith(textScaler: const TextScaler.linear(1.0)),
child: GptMarkdown(
tail,
style: AppTypography.chatMessageStyle.copyWith(
color: context.conduitTheme.textPrimary,
),
),
),
);
}
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: widgets
.map(
(w) => Padding(
padding: const EdgeInsets.only(bottom: Spacing.xs),
child: w,
),
)
.toList(),
return StreamingMarkdownWidget(
staticContent: content,
isStreaming: widget.isStreaming,
);
}
Widget _buildCodeBlock(String code, String? language) {
return Container(
decoration: BoxDecoration(
color: context.conduitTheme.surfaceBackground.withValues(alpha: 0.06),
borderRadius: BorderRadius.circular(AppBorderRadius.md),
border: Border.all(
color: context.conduitTheme.dividerColor.withValues(alpha: 0.7),
width: BorderWidth.thin,
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Padding(
padding: const EdgeInsets.symmetric(
horizontal: Spacing.sm,
vertical: Spacing.xs,
),
child: Row(
children: [
Icon(
Platform.isIOS
? CupertinoIcons.chevron_left_slash_chevron_right
: Icons.code,
size: 14,
color: context.conduitTheme.iconSecondary,
),
const SizedBox(width: Spacing.xs),
Expanded(
child: Text(
language?.toUpperCase() ?? 'CODE',
style: TextStyle(
fontSize: AppTypography.labelSmall,
color: context.conduitTheme.textSecondary,
fontWeight: FontWeight.w600,
letterSpacing: 0.5,
),
),
),
GestureDetector(
onTap: () => _copyToClipboard(code),
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: Spacing.xs,
vertical: Spacing.xxs,
),
decoration: BoxDecoration(
color: context.conduitTheme.surfaceBackground.withValues(
alpha: 0.2,
),
borderRadius: BorderRadius.circular(AppBorderRadius.xs),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Platform.isIOS
? CupertinoIcons.doc_on_clipboard
: Icons.copy,
size: 14,
color: context.conduitTheme.iconSecondary,
),
const SizedBox(width: Spacing.xs),
Text(
'Copy',
style: TextStyle(
fontSize: AppTypography.labelSmall,
color: context.conduitTheme.textSecondary,
fontWeight: FontWeight.w500,
),
),
],
),
),
),
],
),
),
Container(
padding: const EdgeInsets.all(Spacing.sm),
decoration: BoxDecoration(
borderRadius: const BorderRadius.vertical(
bottom: Radius.circular(AppBorderRadius.md),
),
),
child: SelectableText(
code.trimRight(),
style: TextStyle(
color: context.conduitTheme.textSecondary,
fontFamily: AppTypography.monospaceFontFamily,
fontSize: AppTypography.bodySmall,
height: 1.5,
),
),
),
],
),
);
}
void _copyToClipboard(String text) {
Clipboard.setData(ClipboardData(text: text));
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text('Code copied'),
backgroundColor: context.conduitTheme.buttonPrimary,
),
);
}
}
// Removed lightweight streaming text; we now stream markdown with throttling