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LibWeb: Handle comment blocks when skipping unknown @-rules

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This css definition was parsed incorrectly before:

```css
@media screen {
    /* Unclosed bracket in comment { */
    body {
        background: red;
    }
}
```
This commit is contained in:
K-Adam 2021-07-28 11:49:08 +02:00 • committed by Andreas Kling
parent e426e15101
commit 15cdb702c2
1 changed files with 20 additions and 9 deletions
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29
Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
View file

@ -1428,17 +1428,28 @@ public:
}
// FIXME: We ignore other @-rules completely for now.
while (peek() != 0 && peek() != '{')
consume_one();
int level = 0;
for (;;) {
bool in_comment = false;
while (peek() != 0) {
auto ch = consume_one();
if (ch == '{') {
++level;
} else if (ch == '}') {
--level;
if (level == 0)
break;
if (!in_comment) {
if (ch == '/' && peek() == '*') {
consume_one();
in_comment = true;
} else if (ch == '{') {
++level;
} else if (ch == '}') {
--level;
if (level == 0)
break;
}
} else {
if (ch == '*' && peek() == '/') {
consume_one();
in_comment = false;
}
}
}
}