def importStyle(self, uri, media, name, line=None, col=None):
"Receive notification of a import statement in the style sheet."
# defaultNamespaceURI???
super(EchoHandler, self).importStyle(uri, media, name, line, col)
self._out.append(u'@import %s%s%s;\n' %
(helper.string(uri), u'%s ' % media if media else u'',
u'%s ' % name if name else u''))
def importStyle(self, uri, media, name, line=None, col=None):
"Receive notification of a import statement in the style sheet."
# defaultNamespaceURI???
super(EchoHandler, self).importStyle(uri, media, name, line, col)
self._out.append(u'@import %s%s%s;\n' % (helper.string(uri),
u'%s ' % media if media else u'',
u'%s ' % name if name else u'')
)
def searchItemset(itemset, itemsetTarget):
itemsetComponents = itemset.split(".")
for item in itemsetComponents:
if Helper.string(itemsetTarget).findAdv(item) == -1:
return False
return True
def do_CSSMediaRule(self, rule):
"""
serializes CSSMediaRule
+ CSSComments
"""
# TODO: use Out()?
# mediaquery
if not rule.media.wellformed:
return u''
# @media
out = [self._atkeyword(rule)]
if not len(self.prefs.spacer):
# for now always with space as only webkit supports @mediaall?
out.append(u' ')
else:
out.append(self.prefs.spacer) # might be empty
out.append(self.do_stylesheets_medialist(rule.media))
# name, seq contains content after name only (Comments)
if rule.name:
out.append(self.prefs.spacer)
nameout = Out(self)
nameout.append(helper.string(rule.name))
for item in rule.seq:
nameout.append(item.value, item.type)
out.append(nameout.value())
# {
out.append(self.prefs.paranthesisSpacer)
out.append(u'{')
out.append(self.prefs.lineSeparator)
# rules
rulesout = []
for r in rule.cssRules:
rtext = r.cssText
if rtext:
# indent each line of cssText
rulesout.append(self._indentblock(rtext, self._level + 1))
rulesout.append(self.prefs.lineSeparator)
if not self.prefs.keepEmptyRules and not u''.join(rulesout).strip():
return u''
out.extend(rulesout)
# }
out.append(u'%s}' %
((self._level + int(self.prefs.indentClosingBrace)) *
self.prefs.indent))
return u''.join(out)
def do_CSSCharsetRule(self, rule):
"""
serializes CSSCharsetRule
encoding: string
always @charset "encoding";
no comments or other things allowed!
"""
if rule.wellformed:
return u'@charset %s;' % helper.string(rule.encoding)
else:
return u''
def do_CSSCharsetRule(self, rule):
"""
serializes CSSCharsetRule
encoding: string
always @charset "encoding";
no comments or other things allowed!
"""
if rule.wellformed:
return u'@charset %s;' % helper.string(rule.encoding)
else:
return u''
def do_CSSMediaRule(self, rule):
"""
serializes CSSMediaRule
+ CSSComments
"""
# TODO: use Out()?
# mediaquery
if not rule.media.wellformed:
return u''
# @media
out = [self._atkeyword(rule)]
if not len(self.prefs.spacer):
# for now always with space as only webkit supports @mediaall?
out.append(u' ')
else:
out.append(self.prefs.spacer) # might be empty
out.append(self.do_stylesheets_medialist(rule.media))
# name, seq contains content after name only (Comments)
if rule.name:
out.append(self.prefs.spacer)
nameout = Out(self)
nameout.append(helper.string(rule.name))
for item in rule.seq:
nameout.append(item.value, item.type)
out.append(nameout.value())
# {
out.append(self.prefs.paranthesisSpacer)
out.append(u'{')
out.append(self.prefs.lineSeparator)
# rules
rulesout = []
for r in rule.cssRules:
rtext = r.cssText
if rtext:
# indent each line of cssText
rulesout.append(self._indentblock(rtext, self._level + 1))
rulesout.append(self.prefs.lineSeparator)
if not self.prefs.keepEmptyRules and not u''.join(rulesout).strip():
return u''
out.extend(rulesout)
# }
out.append(u'%s}' % ((self._level + int(self.prefs.indentClosingBrace))
* self.prefs.indent))
return u''.join(out)
def do_css_CSSValue(self, cssvalue):
"""Serializes a CSSValue"""
if not cssvalue:
return u''
else:
out = Out(self)
for item in cssvalue.seq:
type_, val = item.type, item.value
if hasattr(val, 'cssText'):
# RGBColor or CSSValue if a CSSValueList
out.append(val.cssText, type_)
else:
if val and val[0] == val[-1] and val[0] in '\'"':
val = helper.string(val[1:-1])
# S must be kept! in between values but no extra space
out.append(val, type_)
return out.value()
def do_css_CSSValue(self, cssvalue):
"""Serializes a CSSValue"""
if not cssvalue:
return u''
else:
out = Out(self)
for item in cssvalue.seq:
type_, val = item.type, item.value
if hasattr(val, 'cssText'):
# RGBColor or CSSValue if a CSSValueList
out.append(val.cssText, type_)
else:
if val and val[0] == val[-1] and val[0] in '\'"':
val = helper.string(val[1:-1])
# S must be kept! in between values but no extra space
out.append(val, type_)
return out.value()
def do_css_PropertyValue(self, value, valuesOnly=False):
"""Serializes a PropertyValue"""
if not value:
return u''
else:
out = Out(self)
for item in value.seq:
type_, val = item.type, item.value
if valuesOnly and type_ == cssutils.css.CSSComment:
continue
elif hasattr(val, 'cssText'):
# RGBColor or CSSValue if a CSSValueList
out.append(val.cssText, type_)
else:
if val and val[0] == val[-1] and val[0] in '\'"':
val = helper.string(val[1:-1])
# S must be kept! in between values but no extra space
out.append(val, type_)
return out.value()
def do_css_PropertyValue(self, value, valuesOnly=False):
"""Serializes a PropertyValue"""
if not value:
return u''
else:
out = Out(self)
for item in value.seq:
type_, val = item.type, item.value
if valuesOnly and type_ == cssutils.css.CSSComment:
continue
elif hasattr(val, 'cssText'):
# RGBColor or CSSValue if a CSSValueList
out.append(val.cssText, type_)
else:
if val and val[0] == val[-1] and val[0] in '\'"':
val = helper.string(val[1:-1])
# S must be kept! in between values but no extra space
out.append(val, type_)
return out.value()
def append(self, val, typ=None, space=True, keepS=False, indent=False,
lineSeparator=False):
"""Appends val. Adds a single S after each token except as follows:
- typ COMMENT
uses cssText depending on self.ser.prefs.keepComments
- typ "Property", cssutils.css.CSSRule.UNKNOWN_RULE
uses cssText
- typ STRING
escapes helper.string
- typ S
ignored except ``keepS=True``
- typ URI
calls helper.uri
- val ``{``
adds LF after
- val ``;``
removes S before and adds LF after
- val ``, :``
removes S before
- val ``+ > ~``
encloses in prefs.selectorCombinatorSpacer
- some other vals
add ``*spacer`` except ``space=False``
"""
prefspace = self.ser.prefs.spacer
if val or typ in ('STRING', 'URI'):
# PRE
if 'COMMENT' == typ:
if self.ser.prefs.keepComments:
val = val.cssText
else:
return
elif hasattr(val, 'cssText'):
val = val.cssText
# elif typ in ('Property', cssutils.css.CSSRule.UNKNOWN_RULE):
# val = val.cssText
elif 'S' == typ and not keepS:
return
elif 'S' == typ and keepS:
val = u' '
elif typ in ('NUMBER', 'DIMENSION', 'PERCENTAGE') and val == '0':
# remove sign + or - if value is zero
# TODO: only for lenghts!
if self.out and self.out[-1] in u'+-':
del self.out[-1]
elif 'STRING' == typ:
# may be empty but MUST not be None
if val is None:
return
val = helper.string(val)
if not prefspace:
self._remove_last_if_S()
elif 'URI' == typ:
val = helper.uri(val)
elif 'HASH' == typ:
val = self.ser._hash(val)
elif val in u'+>~,:{;)]/':
self._remove_last_if_S()
# APPEND
if indent:
self.out.append(self.ser._indentblock(val, self.ser._level+1))
else:
self.out.append(val)
# POST
if lineSeparator:
# Property , ...
pass
elif val in u'+>~': # enclose selector combinator
self.out.insert(-1, self.ser.prefs.selectorCombinatorSpacer)
self.out.append(self.ser.prefs.selectorCombinatorSpacer)
elif u',' == val: # list
self.out.append(self.ser.prefs.listItemSpacer)
elif u':' == val: # prop
self.out.append(self.ser.prefs.propertyNameSpacer)
elif u'{' == val: # block start
self.out.insert(-1, self.ser.prefs.paranthesisSpacer)
self.out.append(self.ser.prefs.lineSeparator)
elif u';' == val: # end or prop or block
self.out.append(self.ser.prefs.lineSeparator)
elif val not in u'}[]()/' and typ != 'FUNCTION' and space:
self.out.append(self.ser.prefs.spacer)
if typ != 'STRING' and not self.ser.prefs.spacer and \
self.out and not self.out[-1].endswith(u' '):
self.out.append(u' ')
def append(self, val, type_=None, space=True, keepS=False, indent=False):
"""Appends val. Adds a single S after each token except as follows:
- typ COMMENT
uses cssText depending on self.ser.prefs.keepComments
- typ "Property", cssutils.css.CSSRule.UNKNOWN_RULE
uses cssText
- typ STRING
escapes helper.string
- typ S
ignored except ``keepS=True``
- typ URI
calls helper.uri
- val ``{``
adds LF after
- val ``;``, typ 'styletext'
removes S before and adds LF after
- val ``, :``
removes S before
- val ``+ > ~``
encloses in prefs.selectorCombinatorSpacer
- some other vals
add ``*spacer`` except ``space=False``
"""
prefspace = self.ser.prefs.spacer
if val or type_ in ('STRING', 'URI'):
# PRE
if 'COMMENT' == type_:
if self.ser.prefs.keepComments:
val = val.cssText
else:
return
elif hasattr(val, 'cssText'):
val = val.cssText
# elif type_ in ('Property', cssutils.css.CSSRule.UNKNOWN_RULE):
# val = val.cssText
elif 'S' == type_ and not keepS:
return
elif 'S' == type_ and keepS:
val = u' '
# elif type_ in ('NUMBER', 'DIMENSION', 'PERCENTAGE') and val == u'0':
# # remove sign + or - if value is zero
# # TODO: only for lenghts!
# if self.out and self.out[-1] in u'+-':
# del self.out[-1]
elif 'STRING' == type_:
# may be empty but MUST not be None
if val is None:
return
val = helper.string(val)
if not prefspace:
self._remove_last_if_S()
elif 'URI' == type_:
val = helper.uri(val)
elif 'HASH' == type_:
val = self.ser._hash(val)
elif val in u'+>~,:{;)]/=}':
self._remove_last_if_S()
# APPEND
if indent or (val == u'}' and self.ser.prefs.indentClosingBrace):
self.out.append(self.ser._indentblock(val,
self.ser._level + 1))
else:
if val.endswith(u' '):
self._remove_last_if_S()
self.out.append(val)
# POST
if val in u'+>~': # enclose selector combinator
self.out.insert(-1, self.ser.prefs.selectorCombinatorSpacer)
self.out.append(self.ser.prefs.selectorCombinatorSpacer)
elif u')' == val and not keepS: # CHAR funcend
# TODO: pref?
self.out.append(u' ')
elif u',' == val: # list
self.out.append(self.ser.prefs.listItemSpacer)
elif u':' == val: # prop
self.out.append(self.ser.prefs.propertyNameSpacer)
elif u'{' == val: # block start
self.out.insert(-1, self.ser.prefs.paranthesisSpacer)
self.out.append(self.ser.prefs.lineSeparator)
elif u';' == val or 'styletext' == type_: # end or prop or block
self.out.append(self.ser.prefs.lineSeparator)
elif val not in u'}[]()/=' and space and type_ != 'FUNCTION':
self.out.append(self.ser.prefs.spacer)
if type_ != 'STRING' and not self.ser.prefs.spacer and \
self.out and not self.out[-1].endswith(u' '):
self.out.append(u' ')
def namespaceDeclaration(self, prefix, uri, line=None, col=None):
super(EchoHandler, self).namespaceDeclaration(prefix, uri, line, col)
self._out.append(u'@namespace %s%s;\n' % (u'%s ' % prefix if prefix else u'',
helper.string(uri)))
def namespaceDeclaration(self, prefix, uri, line=None, col=None):
super(EchoHandler, self).namespaceDeclaration(prefix, uri, line, col)
self._out.append(u'@namespace %s%s;\n' % (u'%s ' % prefix if prefix else u'',
helper.string(uri)))
