pmacs3/mode/css.py

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import color, mode
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from lex import Grammar, PatternRule, NocasePatternRule, RegionRule, NocaseRegionRule
from point import Point
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class StringGrammar1(Grammar):
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rules = [
PatternRule(r'octal', r'\\[0-7]{3}'),
PatternRule(r'escaped', r'\\.'),
PatternRule(r'data', r"[^']+"),
]
class StringGrammar2(Grammar):
rules = [
PatternRule(r'octal', r'\\[0-7]{3}'),
PatternRule(r'escaped', r'\\.'),
PatternRule(r'data', r'[^"]+'),
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]
class CommentGrammar1(Grammar):
rules = [PatternRule(r'data', r'(?:[^*]|\*(?!/))+')]
class CommentGrammar2(Grammar):
rules = [PatternRule(r'data', r'(?:[^-]|-(?!-)|--(?!>))+')]
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class KeywordGrammar(Grammar):
rules = [
PatternRule(r'octal', r'\\[0-7]{3}'),
PatternRule(r'escaped', r'\\.'),
RegionRule(r'string', "'", StringGrammar1, r"'"),
RegionRule(r'string', '"', StringGrammar2, r'"'),
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]
class CSSGrammar(Grammar):
rules = [
RegionRule(r'comment', '/\*', CommentGrammar1, '\*/'),
RegionRule(r'comment', '<!--', CommentGrammar2, '-->'),
NocasePatternRule(r'css_dimension', r'[+-]?(?:[0-9]+|[0-9]*\.[0-9]+)[-a-z_][-a-z0-9_]*'),
NocasePatternRule(r'css_percentage', r'[+-]?(?:[0-9]+|[0-9]*\.[0-9]+)%%'),
NocasePatternRule(r'css_length', r'[+-]?(?:[0-9]+|[0-9]*\.[0-9]+)(?:em|ex|px|in|cm|mm|pt|pc)'),
NocasePatternRule(r'css_hash', r'#[-a-z0-9_]+'),
NocasePatternRule(r'css_real', r'[+-]?[0-9]*\.[0-9]+'),
NocasePatternRule(r'css_int', r'[+-]?[0-9]+'),
NocasePatternRule(r'css_rule', r'@(?:page|media|import)'),
NocasePatternRule(r'css_color', r'(?:aqua|black|blue|fuchsia|gray|green|lime|maroon|navy|olive|orange|purple|red|silver|teal|white|yellow|#[0-9]{6}|#[0-9]{3})'),
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NocasePatternRule(r'css_keyword', r'(?:url|rgb|counter)'),
NocaseRegionRule(r'css_keyword', '(?:(?<=url)|(?<=rgb)|(?<=counter))\(', KeywordGrammar, '\)'),
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NocasePatternRule(r'css_label', r"\.?[-a-zA-Z0-9_]+(?= *{)"),
NocasePatternRule(r'css_ident', r"-?[a-z_][-a-z0-9_]*"),
NocasePatternRule(r'css_name', r"[-a-z0-9_]+"),
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NocasePatternRule(r'delimiter', r'[:;,{}()\[\]]|~=|\|=|='),
RegionRule(r'string', "'", StringGrammar1, r"'"),
RegionRule(r'string', '"', StringGrammar2, r'"'),
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]
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class CSS(mode.Fundamental):
name = 'CSS'
extensions = ['.css']
grammar = CSSGrammar
opentokens = ('delimiter',)
opentags = {'(': ')', '[': ']', '{': '}'}
closetokens = ('delimiter',)
closetags = {')': '(', ']': '[', '}': '{'}
colors = {
'css_dimension': ('magenta', 'default', 'bold'),
'css_percentage': ('magenta', 'default', 'bold'),
'css_length': ('magenta', 'default', 'bold'),
'css_real': ('magenta', 'default', 'bold'),
'css_int': ('magenta', 'default', 'bold'),
'css_color': ('magenta', 'default', 'bold'),
'css_hash': ('cyan', 'default', 'bold'),
'css_rule': ('cyan', 'default', 'bold'),
'css_label': ('cyan', 'default', 'bold'),
'css_keyword': ('cyan', 'default', 'bold'),
'css_ident': ('default', 'default', 'bold'),
'css_name': ('default', 'default', 'bold'),
'css_keyword': ('cyan', 'default', 'bold'),
'css_keyword.start': ('default', 'default', 'bold'),
'css_keyword.null': ('cyan', 'default', 'bold'),
'css_keyword.octal': ('magenta', 'default', 'bold'),
'css_keyword.escaped': ('magenta', 'default', 'bold'),
'css_keyword.end': ('default', 'default', 'bold'),
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}
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_bindings = {
'close-paren': (')',),
'close-brace': ('}',),
'close-bracket': (']',),
}
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install = CSS.install