css_extended.py~

#!/usr/bin/python
# ------------------------------------------------------------
# css_base.py
#
# tokenizer for css
# ------------------------------------------------------------
import ply.lex as lex

# List of token names.
tokens=(
	'COMMENT',
	'PROPERTY',
	'REPLACE_PROPERTY',
	'ID',
	'DOLLAR',
	'EQUALS',
	
	'RCURL',
	'LCURL',
	
	'STRING'

)
def t_COMMENT(t):
	'/\*(.|\n)*\*/'
	pass
t_LCURL=r'\{'
t_RCURL=r'\}'
t_EQUALS=r'='
t_ignore = ' \t\r\n;'
t_DOLLAR=r'[$]'
def t_REPLACE_PROPERTY(t):
	r'.*?:[$].*;'
	return t

def t_PROPERTY(t):
	r'.*?:.*;'
	return t
t_ID=r'[A-Za-z]+[A-Za-z0-9_]*'

#t_SELECTOR=r'([A-Za-z_]*(.|\#)?[A-Za-z0-9_]* > )*([A-Za-z_]*(.|\#)?[A-Za-z0-9_]*(:[A-Za-z_]*))'
t_STRING=r'([A-Za-z0-9 ]|[,_>.@#"]|[-]|\'|[[]|[]])+;'

# Error handling rule
def t_error(t):
    print "Illegal character '%s'" % t.value[0]
    t.lexer.skip(1)
lexer = lex.lex()
while True:
	data=raw_input()
	lexer.input(data)
	for tok in lexer:
		print tok