/usr/share/pyshared/cssutils/css/cssunknownrule.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 | """CSSUnknownRule implements DOM Level 2 CSS CSSUnknownRule."""
__all__ = ['CSSUnknownRule']
__docformat__ = 'restructuredtext'
__version__ = '$Id$'
import cssrule
import cssutils
import xml.dom
class CSSUnknownRule(cssrule.CSSRule):
"""
Represents an at-rule not supported by this user agent, so in
effect all other at-rules not defined in cssutils.
Format::
@xxx until ';' or block {...}
"""
def __init__(self, cssText=u'', parentRule=None,
parentStyleSheet=None, readonly=False):
"""
:param cssText:
of type string
"""
super(CSSUnknownRule, self).__init__(parentRule=parentRule,
parentStyleSheet=parentStyleSheet)
self._atkeyword = None
if cssText:
self.cssText = cssText
self._readonly = readonly
def __repr__(self):
return u"cssutils.css.%s(cssText=%r)" % (
self.__class__.__name__,
self.cssText)
def __str__(self):
return u"<cssutils.css.%s object cssText=%r at 0x%x>" % (
self.__class__.__name__,
self.cssText,
id(self))
def _getCssText(self):
"""Return serialized property cssText."""
return cssutils.ser.do_CSSUnknownRule(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(CSSUnknownRule, self)._setCssText(cssText)
tokenizer = self._tokenize2(cssText)
attoken = self._nexttoken(tokenizer, None)
if not attoken or self._type(attoken) != self._prods.ATKEYWORD:
self._log.error(u'CSSUnknownRule: No CSSUnknownRule found: %s' %
self._valuestr(cssText),
error=xml.dom.InvalidModificationErr)
else:
# for closures: must be a mutable
new = {'nesting': [], # {} [] or ()
'wellformed': True
}
def CHAR(expected, seq, token, tokenizer=None):
type_, val, line, col = token
if expected != 'EOF':
if val in u'{[(':
new['nesting'].append(val)
elif val in u'}])':
opening = {u'}': u'{', u']': u'[', u')': u'('}[val]
try:
if new['nesting'][-1] == opening:
new['nesting'].pop()
else:
raise IndexError()
except IndexError:
new['wellformed'] = False
self._log.error(u'CSSUnknownRule: Wrong nesting of '
u'{, [ or (.', token=token)
if val in u'};' and not new['nesting']:
expected = 'EOF'
seq.append(val, type_, line=line, col=col)
return expected
else:
new['wellformed'] = False
self._log.error(u'CSSUnknownRule: Expected end of rule.',
token=token)
return expected
def FUNCTION(expected, seq, token, tokenizer=None):
# handled as opening (
type_, val, line, col = token
val = self._tokenvalue(token)
if expected != 'EOF':
new['nesting'].append(u'(')
seq.append(val, type_, line=line, col=col)
return expected
else:
new['wellformed'] = False
self._log.error(u'CSSUnknownRule: Expected end of rule.',
token=token)
return expected
def EOF(expected, seq, token, tokenizer=None):
"close all blocks and return 'EOF'"
for x in reversed(new['nesting']):
closing = {u'{': u'}', u'[': u']', u'(': u')'}[x]
seq.append(closing, closing)
new['nesting'] = []
return 'EOF'
def INVALID(expected, seq, token, tokenizer=None):
# makes rule invalid
self._log.error(u'CSSUnknownRule: Bad syntax.',
token=token, error=xml.dom.SyntaxErr)
new['wellformed'] = False
return expected
def STRING(expected, seq, token, tokenizer=None):
type_, val, line, col = token
val = self._stringtokenvalue(token)
if expected != 'EOF':
seq.append(val, type_, line=line, col=col)
return expected
else:
new['wellformed'] = False
self._log.error(u'CSSUnknownRule: Expected end of rule.',
token=token)
return expected
def URI(expected, seq, token, tokenizer=None):
type_, val, line, col = token
val = self._uritokenvalue(token)
if expected != 'EOF':
seq.append(val, type_, line=line, col=col)
return expected
else:
new['wellformed'] = False
self._log.error(u'CSSUnknownRule: Expected end of rule.',
token=token)
return expected
def default(expected, seq, token, tokenizer=None):
type_, val, line, col = token
if expected != 'EOF':
seq.append(val, type_, line=line, col=col)
return expected
else:
new['wellformed'] = False
self._log.error(u'CSSUnknownRule: Expected end of rule.',
token=token)
return expected
# unknown : ATKEYWORD S* ... ; | }
newseq = self._tempSeq()
wellformed, expected = self._parse(expected=None,
seq=newseq, tokenizer=tokenizer,
productions={'CHAR': CHAR,
'EOF': EOF,
'FUNCTION': FUNCTION,
'INVALID': INVALID,
'STRING': STRING,
'URI': URI,
'S': default # overwrite default default!
},
default=default,
new=new)
# wellformed set by parse
wellformed = wellformed and new['wellformed']
# post conditions
if expected != 'EOF':
wellformed = False
self._log.error(u'CSSUnknownRule: No ending ";" or "}" found: '
u'%r' % self._valuestr(cssText))
elif new['nesting']:
wellformed = False
self._log.error(u'CSSUnknownRule: Unclosed "{", "[" or "(": %r'
% self._valuestr(cssText))
# set all
if wellformed:
self.atkeyword = self._tokenvalue(attoken)
self._setSeq(newseq)
cssText = property(fget=_getCssText, fset=_setCssText,
doc=u"(DOM) The parsable textual representation.")
type = property(lambda self: self.UNKNOWN_RULE,
doc=u"The type of this rule, as defined by a CSSRule "
u"type constant.")
wellformed = property(lambda self: bool(self.atkeyword))
|