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tneotiatneotia
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Fix secondary issue from Sub6Resources#569 
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+68
-66
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2 files changed

+68
-66
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‎lib/src/css_parser.dart

Lines changed: 66 additions & 64 deletions
Original file line numberDiff line numberDiff line change
@@ -8,70 +8,72 @@ import 'package:flutter_html/style.dart';
88
Style declarationsToStyle(Map<String?, List<css.Expression>> declarations) {
99
Style style = new Style();
1010
declarations.forEach((property, value) {
11-
switch (property) {
12-
case 'background-color':
13-
style.backgroundColor = ExpressionMapping.expressionToColor(value.first) ?? style.backgroundColor;
14-
break;
15-
case 'color':
16-
style.color = ExpressionMapping.expressionToColor(value.first) ?? style.color;
17-
break;
18-
case 'direction':
19-
style.direction = ExpressionMapping.expressionToDirection(value.first);
20-
break;
21-
case 'display':
22-
style.display = ExpressionMapping.expressionToDisplay(value.first);
23-
break;
24-
case 'line-height':
25-
style.lineHeight = ExpressionMapping.expressionToLineHeight(value.first);
26-
break;
27-
case 'font-family':
28-
style.fontFamily = ExpressionMapping.expressionToFontFamily(value.first) ?? style.fontFamily;
29-
break;
30-
case 'font-feature-settings':
31-
style.fontFeatureSettings = ExpressionMapping.expressionToFontFeatureSettings(value);
32-
break;
33-
case 'font-size':
34-
style.fontSize = ExpressionMapping.expressionToFontSize(value.first) ?? style.fontSize;
35-
break;
36-
case 'font-style':
37-
style.fontStyle = ExpressionMapping.expressionToFontStyle(value.first);
38-
break;
39-
case 'font-weight':
40-
style.fontWeight = ExpressionMapping.expressionToFontWeight(value.first);
41-
break;
42-
case 'text-align':
43-
style.textAlign = ExpressionMapping.expressionToTextAlign(value.first);
44-
break;
45-
case 'text-decoration':
46-
List<css.LiteralTerm?>? textDecorationList = value.whereType<css.LiteralTerm>().toList();
47-
/// List<css.LiteralTerm> might include other values than the ones we want for [textDecorationList], so make sure to remove those before passing it to [ExpressionMapping]
48-
textDecorationList.removeWhere((element) => element != null && element.text != "none"
49-
&& element.text != "overline" && element.text != "underline" && element.text != "line-through");
50-
List<css.Expression?>? nullableList = value;
51-
css.Expression? textDecorationColor = nullableList.firstWhere(
52-
(css.Expression? element) => element is css.HexColorTerm || element is css.FunctionTerm, orElse: () => null);
53-
List<css.LiteralTerm?>? potentialStyles = value.whereType<css.LiteralTerm>().toList();
54-
/// List<css.LiteralTerm> might include other values than the ones we want for [textDecorationStyle], so make sure to remove those before passing it to [ExpressionMapping]
55-
potentialStyles.removeWhere((element) => element != null && element.text != "solid"
56-
&& element.text != "double" && element.text != "dashed" && element.text != "dotted" && element.text != "wavy");
57-
css.LiteralTerm? textDecorationStyle = potentialStyles.isNotEmpty ? potentialStyles.last : null;
58-
style.textDecoration = ExpressionMapping.expressionToTextDecorationLine(textDecorationList);
59-
if (textDecorationColor != null) style.textDecorationColor = ExpressionMapping.expressionToColor(textDecorationColor)
60-
?? style.textDecorationColor;
61-
if (textDecorationStyle != null) style.textDecorationStyle = ExpressionMapping.expressionToTextDecorationStyle(textDecorationStyle);
62-
break;
63-
case 'text-decoration-color':
64-
style.textDecorationColor = ExpressionMapping.expressionToColor(value.first) ?? style.textDecorationColor;
65-
break;
66-
case 'text-decoration-line':
67-
style.textDecoration = ExpressionMapping.expressionToTextDecorationLine(value as List<css.LiteralTerm>);
68-
break;
69-
case 'text-decoration-style':
70-
style.textDecorationStyle = ExpressionMapping.expressionToTextDecorationStyle(value.first as css.LiteralTerm);
71-
break;
72-
case 'text-shadow':
73-
style.textShadow = ExpressionMapping.expressionToTextShadow(value);
74-
break;
11+
if (value.isNotEmpty) {
12+
switch (property) {
13+
case 'background-color':
14+
style.backgroundColor = ExpressionMapping.expressionToColor(value.first) ?? style.backgroundColor;
15+
break;
16+
case 'color':
17+
style.color = ExpressionMapping.expressionToColor(value.first) ?? style.color;
18+
break;
19+
case 'direction':
20+
style.direction = ExpressionMapping.expressionToDirection(value.first);
21+
break;
22+
case 'display':
23+
style.display = ExpressionMapping.expressionToDisplay(value.first);
24+
break;
25+
case 'line-height':
26+
style.lineHeight = ExpressionMapping.expressionToLineHeight(value.first);
27+
break;
28+
case 'font-family':
29+
style.fontFamily = ExpressionMapping.expressionToFontFamily(value.first) ?? style.fontFamily;
30+
break;
31+
case 'font-feature-settings':
32+
style.fontFeatureSettings = ExpressionMapping.expressionToFontFeatureSettings(value);
33+
break;
34+
case 'font-size':
35+
style.fontSize = ExpressionMapping.expressionToFontSize(value.first) ?? style.fontSize;
36+
break;
37+
case 'font-style':
38+
style.fontStyle = ExpressionMapping.expressionToFontStyle(value.first);
39+
break;
40+
case 'font-weight':
41+
style.fontWeight = ExpressionMapping.expressionToFontWeight(value.first);
42+
break;
43+
case 'text-align':
44+
style.textAlign = ExpressionMapping.expressionToTextAlign(value.first);
45+
break;
46+
case 'text-decoration':
47+
List<css.LiteralTerm?>? textDecorationList = value.whereType<css.LiteralTerm>().toList();
48+
/// List<css.LiteralTerm> might include other values than the ones we want for [textDecorationList], so make sure to remove those before passing it to [ExpressionMapping]
49+
textDecorationList.removeWhere((element) => element != null && element.text != "none"
50+
&& element.text != "overline" && element.text != "underline" && element.text != "line-through");
51+
List<css.Expression?>? nullableList = value;
52+
css.Expression? textDecorationColor = nullableList.firstWhere(
53+
(css.Expression? element) => element is css.HexColorTerm || element is css.FunctionTerm, orElse: () => null);
54+
List<css.LiteralTerm?>? potentialStyles = value.whereType<css.LiteralTerm>().toList();
55+
/// List<css.LiteralTerm> might include other values than the ones we want for [textDecorationStyle], so make sure to remove those before passing it to [ExpressionMapping]
56+
potentialStyles.removeWhere((element) => element != null && element.text != "solid"
57+
&& element.text != "double" && element.text != "dashed" && element.text != "dotted" && element.text != "wavy");
58+
css.LiteralTerm? textDecorationStyle = potentialStyles.isNotEmpty ? potentialStyles.last : null;
59+
style.textDecoration = ExpressionMapping.expressionToTextDecorationLine(textDecorationList);
60+
if (textDecorationColor != null) style.textDecorationColor = ExpressionMapping.expressionToColor(textDecorationColor)
61+
?? style.textDecorationColor;
62+
if (textDecorationStyle != null) style.textDecorationStyle = ExpressionMapping.expressionToTextDecorationStyle(textDecorationStyle);
63+
break;
64+
case 'text-decoration-color':
65+
style.textDecorationColor = ExpressionMapping.expressionToColor(value.first) ?? style.textDecorationColor;
66+
break;
67+
case 'text-decoration-line':
68+
style.textDecoration = ExpressionMapping.expressionToTextDecorationLine(value as List<css.LiteralTerm>);
69+
break;
70+
case 'text-decoration-style':
71+
style.textDecorationStyle = ExpressionMapping.expressionToTextDecorationStyle(value.first as css.LiteralTerm);
72+
break;
73+
case 'text-shadow':
74+
style.textShadow = ExpressionMapping.expressionToTextShadow(value);
75+
break;
76+
}
7577
}
7678
});
7779
return style;

‎pubspec.yaml

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -29,8 +29,8 @@ dependencies:
2929
# todo remove github dependency
3030
chewie_audio:
3131
git:
32-
url: https://github.com/tneotia/chewie_audio.git
33-
ref: master
32+
url: https://github.com/tneotia/chewie_audio-1.git
33+
ref: nullsafety
3434

3535
# Plugins for rendering the <svg> tag.
3636
flutter_svg: ^0.21.0-nullsafety.0

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