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add class selectors

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This commit is contained in:
Face
2025-07-30 19:34:10 +03:00
parent 49802fdcf6
commit af8afd6e5b
4 changed files with 68 additions and 11 deletions
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52
Scripts/B9/CSSParser.gd
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@@ -21,6 +21,8 @@ class CSSRule:
func calculate_specificity():
specificity = 1
if selector.begins_with("."):
specificity += 10 # Class selectors have higher specificity than tag selectors
if event_prefix.length() > 0:
specificity += 10
@@ -30,13 +32,13 @@ class CSSStylesheet:
func add_rule(rule: CSSRule):
rules.append(rule)
func get_styles_for_element(tag_name: String, event: String = "") -> Dictionary:
func get_styles_for_element(tag_name: String, event: String = "", class_names: Array[String] = []) -> Dictionary:
var styles = {}
# Sort rules by specificity
var applicable_rules: Array[CSSRule] = []
for rule in rules:
if selector_matches(rule, tag_name, event):
if selector_matches(rule, tag_name, event, class_names):
applicable_rules.append(rule)
applicable_rules.sort_custom(func(a, b): return a.specificity < b.specificity)
@@ -48,9 +50,16 @@ class CSSStylesheet:
return styles
func selector_matches(rule: CSSRule, tag_name: String, event: String = "") -> bool:
if rule.selector != tag_name:
return false
func selector_matches(rule: CSSRule, tag_name: String, event: String = "", cls_names: Array[String] = []) -> bool:
# Handle class selectors
if rule.selector.begins_with("."):
var cls = rule.selector.substr(1) # Remove the "." prefix
if not cls in cls_names:
return false
else:
# Handle tag selectors
if rule.selector != tag_name:
return false
if rule.event_prefix.length() > 0:
return rule.event_prefix == event
@@ -556,6 +565,39 @@ static func parse_inline_style(style_string: String) -> Dictionary:
return rule.properties
# TODO: probably a better idea to precompile the patterns, though idk how much more efficient that would be, if at all
static func is_utility_class(cls: String) -> bool:
var utility_patterns = [
"^text-(xs|sm|base|lg|xl|2xl|3xl|4xl|5xl|6xl)$", # font sizes
"^text-(left|center|right|justify)$", # text alignment
"^text-\\[.*\\]$", # custom text colors
"^text-(white|black|transparent|slate-\\d+|gray-\\d+|red-\\d+|green-\\d+|blue-\\d+|yellow-\\d+)$", # text colors
"^bg-\\[.*\\]$", # custom bg colors
"^bg-(white|black|transparent|slate-\\d+|gray-\\d+|red-\\d+|green-\\d+|blue-\\d+|yellow-\\d+)$", # bg colors
"^(w|h|min-w|min-h|max-w|max-h)-", # sizing
"^font-(bold|mono|italic)$", # font styles
"^underline$",
"^flex", # flex utilities
"^items-", # align items
"^justify-", # justify content
"^content-", # align content
"^self-", # align self
"^order-", # order
"^gap-", # gap
"^(p|px|py|pt|pr|pb|pl)-", # padding
"^rounded", # border radius
"^basis-", # flex basis
"^(hover|active):", # pseudo classes
]
for pattern in utility_patterns:
var regex = RegEx.new()
regex.compile(pattern)
if regex.search(cls):
return true
return false
static func get_color(color_name: String) -> Color:
# Common colors
match color_name: