gpt_markdown.dart
3.77 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
import 'package:flutter/material.dart';
import 'package:gpt_markdown/custom_widgets/markdown_config.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_math_fork/flutter_math.dart';
import 'package:gpt_markdown/custom_widgets/custom_divider.dart';
import 'package:gpt_markdown/custom_widgets/custom_error_image.dart';
import 'package:gpt_markdown/custom_widgets/custom_rb_cb.dart';
import 'package:gpt_markdown/custom_widgets/selectable_adapter.dart';
import 'package:gpt_markdown/custom_widgets/unordered_ordered_list.dart';
import 'dart:math';
import 'custom_widgets/code_field.dart';
import 'custom_widgets/indent_widget.dart';
import 'custom_widgets/link_button.dart';
part 'theme.dart';
part 'markdown_component.dart';
part 'md_widget.dart';
/// This widget create a full markdown widget as a column view.
class GptMarkdown extends StatelessWidget {
const GptMarkdown(
this.data, {
super.key,
this.style,
this.followLinkColor = false,
this.textDirection = TextDirection.ltr,
this.latexWorkaround,
this.textAlign,
this.imageBuilder,
this.textScaler,
this.onLinkTab,
this.latexBuilder,
this.codeBuilder,
this.sourceTagBuilder,
this.highlightBuilder,
this.linkBuilder,
this.maxLines,
this.overflow,
});
final TextDirection textDirection;
final String data;
final TextStyle? style;
final TextAlign? textAlign;
final TextScaler? textScaler;
final void Function(String url, String title)? onLinkTab;
final String Function(String tex)? latexWorkaround;
final int? maxLines;
final TextOverflow? overflow;
final Widget Function(
BuildContext context,
String tex,
TextStyle style,
bool inline,
)?
latexBuilder;
final bool followLinkColor;
final Widget Function(
BuildContext context,
String name,
String code,
bool closed,
)?
codeBuilder;
final Widget Function(BuildContext, String, TextStyle)? sourceTagBuilder;
final Widget Function(BuildContext context, String text, TextStyle style)?
highlightBuilder;
final Widget Function(
BuildContext context,
String text,
String url,
TextStyle style,
)?
linkBuilder;
final Widget Function(BuildContext, String imageUrl)? imageBuilder;
String _removeExtraLinesInsideBlockLatex(String text) {
return text.replaceAllMapped(
RegExp(r"\\\[(.*?)\\\]", multiLine: true, dotAll: true),
(match) {
String content = match[0] ?? "";
return content.replaceAllMapped(RegExp(r"\n[\n\ ]+"), (match) => "\n");
},
);
}
@override
Widget build(BuildContext context) {
String tex = data.trim();
tex = tex.replaceAllMapped(
RegExp(r"(?<!\\)\$\$(.*?)(?<!\\)\$\$", dotAll: true),
(match) => "\\[${match[1] ?? ""}\\]",
);
if (!tex.contains(r"\(")) {
tex = tex.replaceAllMapped(
RegExp(r"(?<!\\)\$(.*?)(?<!\\)\$"),
(match) => "\\(${match[1] ?? ""}\\)",
);
tex = tex.splitMapJoin(
RegExp(r"\[.*?\]|\(.*?\)"),
onNonMatch: (p0) {
return p0.replaceAll("\\\$", "\$");
},
);
}
tex = _removeExtraLinesInsideBlockLatex(tex);
return ClipRRect(
child: MdWidget(
tex,
config: GptMarkdownConfig(
textDirection: textDirection,
style: style,
onLinkTab: onLinkTab,
textAlign: textAlign,
textScaler: textScaler,
followLinkColor: followLinkColor,
latexWorkaround: latexWorkaround,
latexBuilder: latexBuilder,
codeBuilder: codeBuilder,
maxLines: maxLines,
overflow: overflow,
sourceTagBuilder: sourceTagBuilder,
highlightBuilder: highlightBuilder,
linkBuilder: linkBuilder,
imageBuilder: imageBuilder,
),
),
);
}
}