/usr/share/pyshared/cssutils/css/marginrule.py is in python-cssutils 0.9.10-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | """MarginRule implements DOM Level 2 CSS MarginRule."""
__all__ = ['MarginRule']
__docformat__ = 'restructuredtext'
__version__ = '$Id$'
from cssutils.prodparser import *
from cssstyledeclaration import CSSStyleDeclaration
import cssrule
import cssutils
import xml.dom
class MarginRule(cssrule.CSSRule):
"""
A margin at-rule consists of an ATKEYWORD that identifies the margin box
(e.g. '@top-left') and a block of declarations (said to be in the margin
context).
Format::
margin :
margin_sym S* '{' declaration [ ';' S* declaration? ]* '}' S*
;
margin_sym :
TOPLEFTCORNER_SYM |
TOPLEFT_SYM |
TOPCENTER_SYM |
TOPRIGHT_SYM |
TOPRIGHTCORNER_SYM |
BOTTOMLEFTCORNER_SYM |
BOTTOMLEFT_SYM |
BOTTOMCENTER_SYM |
BOTTOMRIGHT_SYM |
BOTTOMRIGHTCORNER_SYM |
LEFTTOP_SYM |
LEFTMIDDLE_SYM |
LEFTBOTTOM_SYM |
RIGHTTOP_SYM |
RIGHTMIDDLE_SYM |
RIGHTBOTTOM_SYM
;
e.g.::
@top-left {
content: "123";
}
"""
margins = ['@top-left-corner',
'@top-left',
'@top-center',
'@top-right',
'@top-right-corner',
'@bottom-left-corner',
'@bottom-left',
'@bottom-center',
'@bottom-right',
'@bottom-right-corner',
'@left-top',
'@left-middle',
'@left-bottom',
'@right-top',
'@right-middle',
'@right-bottom'
]
def __init__(self, margin=None, style=None, parentRule=None,
parentStyleSheet=None, readonly=False):
"""
:param atkeyword:
The margin area, e.g. '@top-left' for this rule
:param style:
CSSStyleDeclaration for this MarginRule
"""
super(MarginRule, self).__init__(parentRule=parentRule,
parentStyleSheet=parentStyleSheet)
self._atkeyword = self._keyword = None
if margin:
self.margin = margin
if style:
self.style = style
else:
self.style = CSSStyleDeclaration(parentRule=self)
self._readonly = readonly
def _setMargin(self, margin):
"""Check if new keyword fits the rule it is used for."""
n = self._normalize(margin)
if n not in MarginRule.margins:
self._log.error(u'Invalid margin @keyword for this %s rule: %r' %
(self.margin, margin),
error=xml.dom.InvalidModificationErr)
else:
self._atkeyword = n
self._keyword = margin
margin = property(lambda self: self._atkeyword, _setMargin,
doc=u"Margin area of parent CSSPageRule. "
u"`margin` and `atkeyword` are both normalized "
u"@keyword of the @rule.")
atkeyword = margin
def __repr__(self):
return u"cssutils.css.%s(margin=%r, style=%r)" % (self.__class__.__name__,
self.margin,
self.style.cssText)
def __str__(self):
return u"<cssutils.css.%s object margin=%r style=%r "\
u"at 0x%x>" % (self.__class__.__name__,
self.margin,
self.style.cssText,
id(self))
def _getCssText(self):
"""Return serialized property cssText."""
return cssutils.ser.do_MarginRule(self)
def _setCssText(self, cssText):
"""
:exceptions:
- :exc:`~xml.dom.SyntaxErr`:
Raised if the specified CSS string value has a syntax error and
is unparsable.
- :exc:`~xml.dom.InvalidModificationErr`:
Raised if the specified CSS string value represents a different
type of rule than the current one.
- :exc:`~xml.dom.HierarchyRequestErr`:
Raised if the rule cannot be inserted at this point in the
style sheet.
- :exc:`~xml.dom.NoModificationAllowedErr`:
Raised if the rule is readonly.
"""
super(MarginRule, self)._setCssText(cssText)
# TEMP: all style tokens are saved in store to fill styledeclaration
# TODO: resolve when all generators
styletokens = Prod(name='styletokens',
match=lambda t, v: v != u'}',
#toSeq=False,
toStore='styletokens',
storeToken=True
)
prods = Sequence(Prod(name='@ margin',
match=lambda t, v:
t == 'ATKEYWORD' and
self._normalize(v) in MarginRule.margins,
toStore='margin'
# TODO?
#, exception=xml.dom.InvalidModificationErr
),
PreDef.char('OPEN', u'{'),
Sequence(Choice(PreDef.unknownrule(toStore='@'),
styletokens),
minmax=lambda: (0, None)
),
PreDef.char('CLOSE', u'}', stopAndKeep=True)
)
# parse
ok, seq, store, unused = ProdParser().parse(cssText,
u'MarginRule',
prods)
if ok:
# TODO: use seq for serializing instead of fixed stuff?
self._setSeq(seq)
if 'margin' in store:
# may raise:
self.margin = store['margin'].value
else:
self._log.error(u'No margin @keyword for this %s rule' %
self.margin,
error=xml.dom.InvalidModificationErr)
# new empty style
self.style = CSSStyleDeclaration(parentRule=self)
if 'styletokens' in store:
# may raise:
self.style.cssText = store['styletokens']
cssText = property(fget=_getCssText, fset=_setCssText,
doc=u"(DOM) The parsable textual representation.")
def _setStyle(self, style):
"""
:param style: A string or CSSStyleDeclaration which replaces the
current style object.
"""
self._checkReadonly()
if isinstance(style, basestring):
self._style = CSSStyleDeclaration(cssText=style, parentRule=self)
else:
style._parentRule = self
self._style = style
style = property(lambda self: self._style, _setStyle,
doc=u"(DOM) The declaration-block of this rule set.")
type = property(lambda self: self.MARGIN_RULE,
doc=u"The type of this rule, as defined by a CSSRule "
u"type constant.")
wellformed = property(lambda self: bool(self.atkeyword))
|