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Edit book: Fix ctrl-clicking on a class name jumping to the wrong CSS rule if the stylesheet contains top level comments

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This is because cssutils treats top level rules as comment rules in
violation of the CSSOM
This commit is contained in:
Kovid Goyal 2021-05-20 16:57:49 +05:30
parent 676feaa5c2
commit af11719020
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 5 additions and 2 deletions
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7
src/calibre/gui2/tweak_book/jump_to_class.py
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@ -50,14 +50,17 @@ def find_first_rule_that_matches_elem(
if recursion_level > 16:
return None
rule_address = rule_address or []
num_comment_rules = 0
for i, rule in enumerate(rules):
if rule.type == CSSRule.STYLE_RULE:
if rule_matches_elem(rule, elem, select, class_name):
return RuleLocation(rule_address + [i], current_file_name)
return RuleLocation(rule_address + [i - num_comment_rules], current_file_name)
elif rule.type == CSSRule.COMMENT:
num_comment_rules += 1
elif rule.type == CSSRule.MEDIA_RULE:
res = find_first_rule_that_matches_elem(
container, elem, select, class_name, rule.cssRules,
current_file_name, recursion_level + 1, rule_address + [i]
current_file_name, recursion_level + 1, rule_address + [i - num_comment_rules]
)
if res is not None:
return res