def _getUsedNamespaces(self):
"Return actually used namespaces only."
useduris = self._getUsedUris()
namespaces = _SimpleNamespaces(log=self._log)
for p, uri in self._namespaces.items():
if uri in useduris:
namespaces[p] = uri
return namespaces
def _getUsedNamespaces(self):
"Return actually used namespaces only."
useduris = self._getUsedUris()
namespaces = _SimpleNamespaces(log=self._log)
for p, uri in list(self._namespaces.items()):
if uri in useduris:
namespaces[p] = uri
return namespaces
def __init__(self, selectorText=None, parent=None, readonly=False):
"""
:Parameters:
selectorText
initial value of this selector
parent
a SelectorList
readonly
default to False
"""
super(Selector, self).__init__()
self.__namespaces = _SimpleNamespaces(log=self._log)
self._element = None
self._parent = parent
self._specificity = (0, 0, 0, 0)
if selectorText:
self.selectorText = selectorText
self._readonly = readonly
def __init__(self, selectorText=None, parent=None, readonly=False):
"""
:Parameters:
selectorText
initial value of this selector
parent
a SelectorList
readonly
default to False
"""
super(Selector, self).__init__()
self.__namespaces = _SimpleNamespaces(log=self._log)
self._element = None
self._parent = parent
self._specificity = (0, 0, 0, 0)
if selectorText:
self.selectorText = selectorText
self._readonly = readonly
def _setCssText(self, cssText):
"""Parse `cssText` and overwrites the whole stylesheet.
:param cssText:
a parseable string or a tuple of (cssText, dict-of-namespaces)
:exceptions:
- :exc:`~xml.dom.NamespaceErr`:
If a namespace prefix is found which is not declared.
- :exc:`~xml.dom.NoModificationAllowedErr`:
Raised if the rule is readonly.
- :exc:`~xml.dom.SyntaxErr`:
Raised if the specified CSS string value has a syntax error and
is unparsable.
"""
self._checkReadonly()
cssText, namespaces = self._splitNamespacesOff(cssText)
if not namespaces:
namespaces = _SimpleNamespaces(log=self._log)
tokenizer = self._tokenize2(cssText)
newseq = [] #cssutils.css.CSSRuleList()
# for closures: must be a mutable
new = {'encoding': None, # needed for setting encoding of @import rules
'namespaces': namespaces}
def S(expected, seq, token, tokenizer=None):
# @charset must be at absolute beginning of style sheet
if expected == 0:
return 1
else:
return expected
def COMMENT(expected, seq, token, tokenizer=None):
"special: sets parent*"
comment = cssutils.css.CSSComment([token],
parentStyleSheet=self.parentStyleSheet)
seq.append(comment)
return expected
def charsetrule(expected, seq, token, tokenizer):
rule = cssutils.css.CSSCharsetRule(parentStyleSheet=self)
rule.cssText = self._tokensupto2(tokenizer, token)
if expected > 0 or len(seq) > 0:
self._log.error(
u'CSSStylesheet: CSSCharsetRule only allowed at beginning of stylesheet.',
token, xml.dom.HierarchyRequestErr)
else:
if rule.wellformed:
seq.append(rule)
new['encoding'] = rule.encoding
return 1
def importrule(expected, seq, token, tokenizer):
if new['encoding']:
# set temporarily as used by _resolveImport
# save newEncoding which have been set by resolveImport
self.__newEncoding = new['encoding']
rule = cssutils.css.CSSImportRule(parentStyleSheet=self)
rule.cssText = self._tokensupto2(tokenizer, token)
if expected > 1:
self._log.error(
u'CSSStylesheet: CSSImportRule not allowed here.',
token, xml.dom.HierarchyRequestErr)
else:
if rule.wellformed:
#del rule._parentEncoding # remove as later it is read from this sheet!
seq.append(rule)
try:
# remove as only used temporarily but may not be set at all
del self.__newEncoding
except AttributeError, e:
pass
return 1
def _setCssText(self, cssText):
"""Parse `cssText` and overwrites the whole stylesheet.
:param cssText:
a parseable string or a tuple of (cssText, dict-of-namespaces)
:exceptions:
- :exc:`~xml.dom.NamespaceErr`:
If a namespace prefix is found which is not declared.
- :exc:`~xml.dom.NoModificationAllowedErr`:
Raised if the rule is readonly.
- :exc:`~xml.dom.SyntaxErr`:
Raised if the specified CSS string value has a syntax error and
is unparsable.
"""
self._checkReadonly()
cssText, namespaces = self._splitNamespacesOff(cssText)
if not namespaces:
namespaces = _SimpleNamespaces(log=self._log)
tokenizer = self._tokenize2(cssText)
newseq = [] #cssutils.css.CSSRuleList()
# for closures: must be a mutable
new = {
'encoding': None, # needed for setting encoding of @import rules
'namespaces': namespaces
}
def S(expected, seq, token, tokenizer=None):
# @charset must be at absolute beginning of style sheet
if expected == 0:
return 1
else:
return expected
def COMMENT(expected, seq, token, tokenizer=None):
"special: sets parent*"
comment = cssutils.css.CSSComment(
[token], parentStyleSheet=self.parentStyleSheet)
seq.append(comment)
return expected
def charsetrule(expected, seq, token, tokenizer):
rule = cssutils.css.CSSCharsetRule(parentStyleSheet=self)
rule.cssText = self._tokensupto2(tokenizer, token)
if expected > 0 or len(seq) > 0:
self._log.error(
u'CSSStylesheet: CSSCharsetRule only allowed at beginning of stylesheet.',
token, xml.dom.HierarchyRequestErr)
else:
if rule.wellformed:
seq.append(rule)
new['encoding'] = rule.encoding
return 1
def importrule(expected, seq, token, tokenizer):
if new['encoding']:
# set temporarily as used by _resolveImport
# save newEncoding which have been set by resolveImport
self.__newEncoding = new['encoding']
rule = cssutils.css.CSSImportRule(parentStyleSheet=self)
rule.cssText = self._tokensupto2(tokenizer, token)
if expected > 1:
self._log.error(
u'CSSStylesheet: CSSImportRule not allowed here.', token,
xml.dom.HierarchyRequestErr)
else:
if rule.wellformed:
#del rule._parentEncoding # remove as later it is read from this sheet!
seq.append(rule)
try:
# remove as only used temporarily but may not be set at all
del self.__newEncoding
except AttributeError, e:
pass
return 1
