95 lines
2.6 KiB
Python
95 lines
2.6 KiB
Python
# -*- coding: utf8 -*-
|
|
"""
|
|
.. module:: lesscpy.plib.property
|
|
:synopsis: Property node.
|
|
|
|
Copyright (c)
|
|
See LICENSE for details.
|
|
.. moduleauthor:: Johann T. Mariusson <jtm@robot.is>
|
|
"""
|
|
import re
|
|
from .node import Node
|
|
|
|
|
|
class Property(Node):
|
|
|
|
"""Represents CSS property declaration.
|
|
"""
|
|
|
|
def parse(self, scope):
|
|
"""Parse node
|
|
args:
|
|
scope (Scope): current scope
|
|
raises:
|
|
SyntaxError
|
|
returns:
|
|
self
|
|
"""
|
|
if not self.parsed:
|
|
if len(self.tokens) > 2:
|
|
property, style, _ = self.tokens
|
|
self.important = True
|
|
else:
|
|
property, style = self.tokens
|
|
self.important = False
|
|
self.property = ''.join(property)
|
|
self.parsed = []
|
|
if style:
|
|
style = self.preprocess(style)
|
|
self.parsed = self.process(style, scope)
|
|
return self
|
|
|
|
def preprocess(self, style):
|
|
"""Hackish preprocessing from font shorthand tags.
|
|
Skips expression parse on certain tags.
|
|
args:
|
|
style (list): .
|
|
returns:
|
|
list
|
|
"""
|
|
if self.property == 'font':
|
|
style = [''.join(u.expression())
|
|
if hasattr(u, 'expression')
|
|
else u
|
|
for u in style]
|
|
else:
|
|
style = [(u, ' ')
|
|
if hasattr(u, 'expression')
|
|
else u
|
|
for u in style]
|
|
return style
|
|
|
|
def fmt(self, fills):
|
|
""" Format node
|
|
args:
|
|
fills (dict): replacements
|
|
returns:
|
|
str
|
|
"""
|
|
f = "%(tab)s%(property)s:%(ws)s%(style)s%(important)s;%(nl)s"
|
|
imp = ' !important' if self.important else ''
|
|
if fills['nl']:
|
|
self.parsed = [',%s' % fills['ws']
|
|
if p == ','
|
|
else p
|
|
for p in self.parsed]
|
|
style = ''.join([p.fmt(fills)
|
|
if hasattr(p, 'fmt')
|
|
else str(p)
|
|
for p in self.parsed])
|
|
# IE cannot handle no space after url()
|
|
style = re.sub("(url\([^\)]*\))([^\s,])", "\\1 \\2", style)
|
|
fills.update({
|
|
'property': self.property,
|
|
'style': style.strip(),
|
|
'important': imp
|
|
})
|
|
return f % fills
|
|
|
|
def copy(self):
|
|
""" Return a full copy of self
|
|
Returns:
|
|
Property object
|
|
"""
|
|
return Property([t for t in self.tokens], 0)
|