80 lines
3.3 KiB
Python
80 lines
3.3 KiB
Python
import color, mode
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from lex import Grammar, PatternRule, NocasePatternRule, RegionRule, NocaseRegionRule
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from point import Point
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class StringGrammar(Grammar):
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rules = [
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PatternRule(r'octal', r'\\[0-7]{3}'),
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PatternRule(r'escaped', r'\\.'),
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]
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class KeywordGrammar(Grammar):
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rules = [
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PatternRule(r'octal', r'\\[0-7]{3}'),
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PatternRule(r'escaped', r'\\.'),
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RegionRule(r'string', "'", StringGrammar, r"'"),
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RegionRule(r'string', '"', StringGrammar, r'"'),
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]
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class CSSGrammar(Grammar):
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rules = [
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RegionRule(r'comment', '/\*', Grammar, '\*/'),
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RegionRule(r'comment', '<!--', Grammar, '-->'),
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NocasePatternRule(r'css_dimension', r'[+-]?(?:[0-9]+|[0-9]*\.[0-9]+)[-a-z_][-a-z0-9_]*'),
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NocasePatternRule(r'css_percentage', r'[+-]?(?:[0-9]+|[0-9]*\.[0-9]+)%%'),
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NocasePatternRule(r'css_length', r'[+-]?(?:[0-9]+|[0-9]*\.[0-9]+)(?:em|ex|px|in|cm|mm|pt|pc)'),
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NocasePatternRule(r'css_hash', r'#[-a-z0-9_]+'),
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NocasePatternRule(r'css_real', r'[+-]?[0-9]*\.[0-9]+'),
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NocasePatternRule(r'css_int', r'[+-]?[0-9]+'),
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NocasePatternRule(r'css_rule', r'@(?:page|media|import)'),
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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)'),
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NocaseRegionRule(r'css_keyword', '(?:(?<=url)|(?<=rgb)|(?<=counter))\(', KeywordGrammar, '\)'),
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NocasePatternRule(r'css_label', r"\.?[-a-zA-Z0-9_]+(?= *{)"),
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NocasePatternRule(r'css_ident', r"-?[a-z_][-a-z0-9_]*"),
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NocasePatternRule(r'css_name', r"[-a-z0-9_]+"),
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NocasePatternRule(r'delimiter', r'[:;,{}()\[\]]|~=|\|=|='),
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RegionRule(r'string', "'", StringGrammar, r"'"),
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RegionRule(r'string', '"', StringGrammar, r'"'),
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]
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class CSS(mode.Fundamental):
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modename = 'CSS'
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extensions = ['.css']
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grammar = CSSGrammar
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opentokens = ('delimiter',)
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opentags = {'(': ')', '[': ']', '{': '}'}
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closetokens = ('delimiter',)
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closetags = {')': '(', ']': '[', '}': '{'}
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colors = {
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'css_dimension': ('magenta', 'default'),
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'css_percentage': ('magenta', 'default'),
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'css_length': ('magenta', 'default'),
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'css_real': ('magenta', 'default'),
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'css_int': ('magenta', 'default'),
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'css_color': ('magenta', 'default'),
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'css_hash': ('cyan', 'default'),
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'css_rule': ('cyan', 'default'),
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'css_label': ('cyan', 'default'),
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'css_keyword': ('cyan', 'default'),
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'css_ident': ('default', 'default'),
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'css_name': ('default', 'default'),
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'css_keyword': ('cyan', 'default'),
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'css_keyword.start': ('default', 'default'),
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'css_keyword.null': ('cyan', 'default'),
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'css_keyword.octal': ('magenta', 'default'),
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'css_keyword.escaped': ('magenta', 'default'),
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'css_keyword.end': ('default', 'default'),
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}
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def __init__(self, w):
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mode.Fundamental.__init__(self, w)
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self.add_bindings('close-paren', (')',))
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self.add_bindings('close-brace', ('}',))
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self.add_bindings('close-bracket', (']',))
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install = CSS.install
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