def _DimensionProd(parent, nextSor=False):
return Prod(name='Dimension',
match=lambda t, v: t in
(u'DIMENSION', u'NUMBER', u'PERCENTAGE') or v in u'+-',
nextSor=nextSor,
toSeq=lambda t, tokens:
(t[0], DimensionValue(pushtoken(t, tokens), parent=parent)))
def _MSValueProd(parent, nextSor=False):
return Prod(
name=MSValue._functionName,
match=lambda t, v: ( # t == self._prods.FUNCTION and (
normalize(v) in (
'expression(',
'alpha(',
'blur(',
'chroma(',
'dropshadow(',
'fliph(',
'flipv(',
'glow(',
'gray(',
'invert(',
'mask(',
'shadow(',
'wave(',
'xray(',
) or v.startswith('progid:DXImageTransform.Microsoft.')),
nextSor=nextSor,
toSeq=lambda t, tokens: (
MSValue._functionName,
MSValue(pushtoken(t, tokens), parent=parent),
),
)
def _productions(self):
"""Return definition used for parsing."""
types = self._prods # rename!
func = Prod(name='MSValue-Sub',
match=lambda t, v: t == self._prods.FUNCTION,
toSeq=lambda t, tokens:
(MSValue._functionName,
MSValue(pushtoken(t, tokens), parent=self)))
funcProds = Sequence(
Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION,
toSeq=lambda t, tokens: (t[0], t[1])),
Sequence(
Choice(
_ColorProd(self),
_DimensionProd(self),
_URIProd(self),
_ValueProd(self),
_MSValueProd(self),
#_CalcValueProd(self),
_CSSVariableProd(self),
func,
#_CSSFunctionProd(self),
Prod(name='MSValuePart',
match=lambda t, v: v != u')',
toSeq=lambda t, tokens: (t[0], t[1]))),
minmax=lambda: (0, None)),
PreDef.funcEnd(stop=True))
return funcProds
def _URIProd(parent, nextSor=False, toStore=None):
return Prod(name='URIValue',
match=lambda t, v: t == 'URI',
toStore=toStore,
nextSor=nextSor,
toSeq=lambda t, tokens:
('URIValue', URIValue(pushtoken(t, tokens), parent=parent)))
def _MSValueProd(parent, nextSor=False):
return Prod(name=MSValue._functionName,
match=lambda t, v: (#t == self._prods.FUNCTION and (
normalize(v) in (u'expression(',
u'alpha(',
u'blur(',
u'chroma(',
u'dropshadow(',
u'fliph(',
u'flipv(',
u'glow(',
u'gray(',
u'invert(',
u'mask(',
u'shadow(',
u'wave(',
u'xray(') or
v.startswith(u'progid:DXImageTransform.Microsoft.')
),
nextSor=nextSor,
toSeq=lambda t, tokens: (MSValue._functionName,
MSValue(pushtoken(t,
tokens
),
parent=parent
)
)
)
def _ValueProd(parent, nextSor=False, toStore=None):
return Prod(name='Value',
match=lambda t, v: t in ('IDENT', 'STRING', 'UNICODE-RANGE'),
nextSor=nextSor,
toStore=toStore,
toSeq=lambda t, tokens:
('Value', Value(pushtoken(t, tokens), parent=parent)))
def _CSSVariableProd(parent, nextSor=False):
return PreDef.variable(nextSor=nextSor,
toSeq=lambda t, tokens: (CSSVariable._functionName,
CSSVariable(
pushtoken(t, tokens),
parent=parent)
)
)
def _DimensionProd(parent, nextSor=False, toStore=None):
return Prod(
name='Dimension',
match=lambda t, v: t in ('DIMENSION', 'NUMBER', 'PERCENTAGE'),
nextSor=nextSor,
toStore=toStore,
toSeq=lambda t, tokens:
('DIMENSION', DimensionValue(pushtoken(t, tokens), parent=parent)))
def _CSSFunctionProd(parent, nextSor=False):
return PreDef.function(nextSor=nextSor,
toSeq=lambda t, tokens: (CSSFunction._functionName,
CSSFunction(
pushtoken(t, tokens),
parent=parent)
)
)
def _CalcValueProd(parent, nextSor=False, toStore=None):
return Prod(
name=CSSCalc._functionName,
match=lambda t, v: t == PreDef.types.FUNCTION and normalize(
v) == 'calc(',
toStore=toStore,
toSeq=lambda t, tokens:
(CSSCalc._functionName, CSSCalc(pushtoken(t, tokens), parent=parent)),
nextSor=nextSor)
def _CSSVariableProd(parent, nextSor=False, toStore=None):
return PreDef.variable(
nextSor=nextSor,
toStore=toStore,
toSeq=lambda t, tokens: (
CSSVariable._functionName,
CSSVariable(pushtoken(t, tokens), parent=parent),
),
)
def _ValueProd(parent, nextSor=False, toStore=None):
return Prod(name='Value',
match=lambda t, v: t in ('IDENT', 'STRING', 'UNICODE-RANGE'),
nextSor = nextSor,
toStore=toStore,
toSeq=lambda t, tokens: ('Value', Value(pushtoken(t, tokens),
parent=parent)
)
)
def _ColorProd(parent, nextSor=False):
return Prod(
name='ColorValue',
match=lambda t, v: t == 'HASH' or
(t == 'FUNCTION' and normalize(v) in
(u'rgb(', u'rgba(', u'hsl(', u'hsla(')) or
(t == 'IDENT' and normalize(v) in ColorValue.COLORS.keys()),
nextSor=nextSor,
toSeq=lambda t, tokens:
('ColorValue', ColorValue(pushtoken(t, tokens), parent=parent)))
def _URIProd(parent, nextSor=False):
return Prod(name='URIValue',
match=lambda t, v: t == 'URI',
nextSor = nextSor,
toSeq=lambda t, tokens: ('URIValue', URIValue(
pushtoken(t,
tokens),
parent=parent)
)
)
def _CalcValueProd(parent, nextSor=False, toStore=None):
return Prod(name=CSSCalc._functionName,
match=lambda t, v: t == PreDef.types.FUNCTION and
normalize(v) == u'calc(',
toStore=toStore,
toSeq=lambda t, tokens: (CSSCalc._functionName,
CSSCalc(
pushtoken(t, tokens),
parent=parent)
),
nextSor=nextSor)
def _ColorProd(parent, nextSor=False, toStore=None):
return Prod(
name='ColorValue',
match=lambda t, v: (t == 'HASH' and reHexcolor.match(v)) or
(t == 'FUNCTION' and normalize(v) in
('rgb(', 'rgba(', 'hsl(', 'hsla(')) or
(t == 'IDENT' and normalize(v) in list(ColorValue.COLORS.keys())),
nextSor=nextSor,
toStore=toStore,
toSeq=lambda t, tokens:
('ColorValue', ColorValue(pushtoken(t, tokens), parent=parent)))
def _DimensionProd(parent, nextSor=False):
return Prod(name='Dimension',
match=lambda t, v: t in (u'DIMENSION',
u'NUMBER',
u'PERCENTAGE') or v in u'+-',
nextSor = nextSor,
toSeq=lambda t, tokens: (t[0], DimensionValue(
pushtoken(t,
tokens),
parent=parent)
)
)
def _DimensionProd(parent, nextSor=False, toStore=None):
return Prod(name='Dimension',
match=lambda t, v: t in (u'DIMENSION',
u'NUMBER',
u'PERCENTAGE'),
nextSor = nextSor,
toStore=toStore,
toSeq=lambda t, tokens: (u'DIMENSION', DimensionValue(
pushtoken(t,
tokens),
parent=parent)
)
)
def _ColorProd(parent, nextSor=False):
return Prod(name='ColorValue',
match=lambda t, v: t == 'HASH' or
(t == 'FUNCTION' and
normalize(v) in (u'rgb(',
u'rgba(',
u'hsl(',
u'hsla(')) or
(t == 'IDENT' and
normalize(v) in ColorValue.COLORS.keys()
),
nextSor = nextSor,
toSeq=lambda t, tokens: ('ColorValue', ColorValue(
pushtoken(t,
tokens),
parent=parent)
)
)
def _productions(self):
"""Return definition used for parsing."""
types = self._prods # rename!
func = Prod(name='MSValue-Sub',
match=lambda t, v: t == self._prods.FUNCTION,
toSeq=lambda t, tokens: (MSValue._functionName,
MSValue(pushtoken(t,
tokens
),
parent=self
)
)
)
funcProds = Sequence(Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION,
toSeq=lambda t, tokens: (t[0], t[1])
),
Sequence(Choice(_ColorProd(self),
_DimensionProd(self),
_URIProd(self),
_ValueProd(self),
_MSValueProd(self),
#_CalcValueProd(self),
_CSSVariableProd(self),
func,
#_CSSFunctionProd(self),
Prod(name='MSValuePart',
match=lambda t, v: v != u')',
toSeq=lambda t, tokens: (t[0], t[1])
)
),
minmax=lambda: (0, None)
),
PreDef.funcEnd(stop=True)
)
return funcProds
def _setCssText(self, cssText):
self._checkReadonly()
types = self._prods # rename!
component = Choice(PreDef.unary(toSeq=lambda t, tokens: (t[0],
DimensionValue(pushtoken(t, tokens),
parent=self)
)),
PreDef.number(toSeq=lambda t, tokens: (t[0],
DimensionValue(pushtoken(t, tokens),
parent=self)
)),
PreDef.percentage(toSeq=lambda t, tokens: (t[0],
DimensionValue(pushtoken(t, tokens),
parent=self)
))
)
noalp = Sequence(Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION and
v in (u'rgb(', u'hsl('),
toSeq=lambda t, tokens: (t[0], normalize(t[1]))),
component,
Sequence(PreDef.comma(optional=True),
component,
minmax=lambda: (2, 2)
),
PreDef.funcEnd(stop=True)
)
witha = Sequence(Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION and
v in (u'rgba(', u'hsla('),
toSeq=lambda t, tokens: (t[0],
normalize(t[1]))
),
component,
Sequence(PreDef.comma(optional=True),
component,
minmax=lambda: (3, 3)
),
PreDef.funcEnd(stop=True)
)
namedcolor = Prod(name='Named Color',
match=lambda t, v: t == 'IDENT' and (
normalize(v) in self.COLORS.keys()
),
stop=True)
prods = Choice(PreDef.hexcolor(stop=True),
namedcolor,
noalp,
witha)
ok, seq, store, unused = ProdParser().parse(cssText,
self.type,
prods)
self.wellformed = ok
if ok:
t, v = seq[0].type, seq[0].value
if u'IDENT' == t:
rgba = self.COLORS[normalize(v)]
if u'HASH' == t:
if len(v) == 4:
# HASH #rgb
rgba = (int(2*v[1], 16),
int(2*v[2], 16),
int(2*v[3], 16),
1.0)
else:
# HASH #rrggbb
rgba = (int(v[1:3], 16),
int(v[3:5], 16),
int(v[5:7], 16),
1.0)
elif u'FUNCTION' == t:
functiontype, raw, check = None, [], u''
HSL = False
for item in seq:
try:
type_ = item.value.type
except AttributeError, e:
# type of function, e.g. rgb(
if item.type == 'FUNCTION':
functiontype = item.value
HSL = functiontype in (u'hsl(', u'hsla(')
continue
# save components
if type_ == Value.NUMBER:
raw.append(item.value.value)
check += u'N'
elif type_ == Value.PERCENTAGE:
if HSL:
# save as percentage fraction
raw.append(item.value.value / 100.0)
else:
# save as real value of percentage of 255
raw.append(int(255 * item.value.value / 100))
check += u'P'
if HSL:
# convert to rgb
# h is 360 based (circle)
h, s, l = raw[0] / 360.0, raw[1], raw[2]
# ORDER h l s !!!
r, g, b = colorsys.hls_to_rgb(h, l, s)
# back to 255 based
rgba = [int(round(r*255)),
int(round(g*255)),
int(round(b*255))]
if len(raw) > 3:
rgba.append(raw[3])
else:
# rgb, rgba
rgba = raw
if len(rgba) < 4:
rgba.append(1.0)
# validate
checks = {u'rgb(': ('NNN', 'PPP'),
u'rgba(': ('NNNN', 'PPPN'),
u'hsl(': ('NPP',),
u'hsla(': ('NPPN',)
}
if check not in checks[functiontype]:
self._log.error(u'ColorValue has invalid %s) parameters: '
u'%s (N=Number, P=Percentage)' %
(functiontype, check))
self._colorType = t
self._red, self._green, self._blue, self._alpha = tuple(rgba)
self._setSeq(seq)
def _setMediaText(self, mediaText):
"""
:param mediaText:
simple value or comma-separated list of media
:exceptions:
- - :exc:`~xml.dom.SyntaxErr`:
Raised if the specified string value has a syntax error and is
unparsable.
- - :exc:`~xml.dom.NoModificationAllowedErr`:
Raised if this media list is readonly.
"""
self._checkReadonly()
mediaquery = lambda: Prod(
name='MediaQueryStart',
match=lambda t, v: t == 'IDENT' or v == '(',
toSeq=lambda t, tokens:
('MediaQuery', MediaQuery(pushtoken(t, tokens), _partof=True)))
prods = Sequence(
Sequence(PreDef.comment(parent=self), minmax=lambda: (0, None)),
mediaquery(),
Sequence(PreDef.comma(toSeq=False),
mediaquery(),
minmax=lambda: (0, None)))
# parse
ok, seq, store, unused = ProdParser().parse(mediaText,
'MediaList',
prods,
debug="ml")
# each mq must be valid
atleastone = False
for item in seq:
v = item.value
if isinstance(v, MediaQuery):
if not v.wellformed:
ok = False
break
else:
atleastone = True
# must be at least one value!
if not atleastone:
ok = False
self._wellformed = ok
self._log.error('MediaQuery: No content.', error=xml.dom.SyntaxErr)
self._wellformed = ok
if ok:
mediaTypes = []
finalseq = cssutils.util.Seq(readonly=False)
commentseqonly = cssutils.util.Seq(readonly=False)
for item in seq:
# filter for doubles?
if item.type == 'MediaQuery':
mediaType = item.value.mediaType
if mediaType:
if mediaType == 'all':
# remove anthing else and keep all+comments(!) only
finalseq = commentseqonly
finalseq.append(item)
break
elif mediaType in mediaTypes:
continue
else:
mediaTypes.append(mediaType)
elif isinstance(item.value,
cssutils.css.csscomment.CSSComment):
commentseqonly.append(item)
finalseq.append(item)
self._setSeq(finalseq)
def _setCssText(self, cssText): # noqa: C901
self._checkReadonly()
types = self._prods # rename!
component = Choice(
PreDef.unary(toSeq=lambda t, tokens: (
t[0],
DimensionValue(pushtoken(t, tokens), parent=self),
)),
PreDef.number(toSeq=lambda t, tokens: (
t[0],
DimensionValue(pushtoken(t, tokens), parent=self),
)),
PreDef.percentage(toSeq=lambda t, tokens: (
t[0],
DimensionValue(pushtoken(t, tokens), parent=self),
)),
)
noalp = Sequence(
Prod(
name='FUNCTION',
match=lambda t, v: t == types.FUNCTION and v in
('rgb(', 'hsl('),
toSeq=lambda t, tokens: (t[0], normalize(t[1])),
),
component,
Sequence(PreDef.comma(optional=True),
component,
minmax=lambda: (2, 2)),
PreDef.funcEnd(stop=True),
)
witha = Sequence(
Prod(
name='FUNCTION',
match=lambda t, v: t == types.FUNCTION and v in
('rgba(', 'hsla('),
toSeq=lambda t, tokens: (t[0], normalize(t[1])),
),
component,
Sequence(PreDef.comma(optional=True),
component,
minmax=lambda: (3, 3)),
PreDef.funcEnd(stop=True),
)
namedcolor = Prod(
name='Named Color',
match=lambda t, v: t == 'IDENT' and
(normalize(v) in list(self.COLORS.keys())),
stop=True,
)
prods = Choice(PreDef.hexcolor(stop=True), namedcolor, noalp, witha)
ok, seq, store, unused = ProdParser().parse(cssText, self.type, prods)
self.wellformed = ok
if ok:
t, v = seq[0].type, seq[0].value
if 'IDENT' == t:
rgba = self.COLORS[normalize(v)]
if 'HASH' == t:
if len(v) == 4:
# HASH #rgb
rgba = (
int(2 * v[1], 16),
int(2 * v[2], 16),
int(2 * v[3], 16),
1.0,
)
else:
# HASH #rrggbb
rgba = (int(v[1:3], 16), int(v[3:5], 16), int(v[5:7],
16), 1.0)
elif 'FUNCTION' == t:
functiontype, raw, check = None, [], ''
HSL = False
for item in seq:
try:
type_ = item.value.type
except AttributeError:
# type of function, e.g. rgb(
if item.type == 'FUNCTION':
functiontype = item.value
HSL = functiontype in ('hsl(', 'hsla(')
continue
# save components
if type_ == Value.NUMBER:
raw.append(item.value.value)
check += 'N'
elif type_ == Value.PERCENTAGE:
if HSL:
# save as percentage fraction
raw.append(item.value.value / 100.0)
else:
# save as real value of percentage of 255
raw.append(int(255 * item.value.value / 100))
check += 'P'
if HSL:
# convert to rgb
# h is 360 based (circle)
h, s, l_ = raw[0] / 360.0, raw[1], raw[2]
# ORDER h l s !!!
r, g, b = colorsys.hls_to_rgb(h, l_, s)
# back to 255 based
rgba = [
int(round(r * 255)),
int(round(g * 255)),
int(round(b * 255)),
]
if len(raw) > 3:
rgba.append(raw[3])
else:
# rgb, rgba
rgba = raw
if len(rgba) < 4:
rgba.append(1.0)
# validate
checks = {
'rgb(': ('NNN', 'PPP'),
'rgba(': ('NNNN', 'PPPN'),
'hsl(': ('NPP', ),
'hsla(': ('NPPN', ),
}
if check not in checks[functiontype]:
self._log.error('ColorValue has invalid %s) parameters: '
'%s (N=Number, P=Percentage)' %
(functiontype, check))
self._colorType = t
self._red, self._green, self._blue, self._alpha = tuple(rgba)
self._setSeq(seq)
def _setCssText(self, cssText):
self._checkReadonly()
types = self._prods # rename!
component = Choice(PreDef.unary(toSeq=lambda t, tokens: (t[0],
DimensionValue(pushtoken(t, tokens),
parent=self)
)),
PreDef.number(toSeq=lambda t, tokens: (t[0],
DimensionValue(pushtoken(t, tokens),
parent=self)
)),
PreDef.percentage(toSeq=lambda t, tokens: (t[0],
DimensionValue(pushtoken(t, tokens),
parent=self)
))
)
noalp = Sequence(Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION and
v in (u'rgb(', u'hsl('),
toSeq=lambda t, tokens: (t[0], normalize(t[1]))),
component,
Sequence(PreDef.comma(),
component,
minmax=lambda: (2, 2)
),
PreDef.funcEnd(stop=True)
)
witha = Sequence(Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION and
v in (u'rgba(', u'hsla('),
toSeq=lambda t, tokens: (t[0],
normalize(t[1]))
),
component,
Sequence(PreDef.comma(),
component,
minmax=lambda: (3, 3)
),
PreDef.funcEnd(stop=True)
)
namedcolor = Prod(name='Named Color',
match=lambda t, v: t == 'IDENT' and (
normalize(v) in self.COLORS.keys()
),
stop=True)
prods = Choice(PreDef.hexcolor(stop=True),
namedcolor,
noalp,
witha)
ok, seq, store, unused = ProdParser().parse(cssText,
self.type,
prods)
if ok:
t, v = seq[0].type, seq[0].value
if u'IDENT' == t:
rgba = self.COLORS[normalize(v)]
if u'HASH' == t:
if len(v) == 4:
# HASH #rgb
rgba = (int(2*v[1], 16),
int(2*v[1], 16),
int(2*v[1], 16),
1.0)
else:
# HASH #rrggbb
rgba = (int(v[1:3], 16),
int(v[3:5], 16),
int(v[5:7], 16),
1.0)
elif u'FUNCTION' == t:
functiontype, rgba, check = None, [], u''
for item in seq:
try:
type_ = item.value.type
except AttributeError, e:
# type of function, e.g. rgb(
if item.type == 'FUNCTION':
functiontype = item.value
continue
# save components
if type_ == Value.NUMBER:
rgba.append(item.value.value)
check += u'N'
elif type_ == Value.PERCENTAGE:
rgba.append(int(255 * item.value.value / 100))
check += u'P'
# validate
checks = {u'rgb(': ('NNN', 'PPP'),
u'rgba(': ('NNNN', 'PPPN'),
u'hsl(': ('NPP',),
u'hsla(': ('NPPN',)
}
if check not in checks[functiontype]:
self._log.error(u'ColorValue has invalid %s) parameters: '
u'%s (N=Number, P=Percentage)' %
(functiontype, check))
if len(rgba) < 4:
rgba.append(1.0)
self._colorType = t
self._red, self._green, self._blue, self._alpha = tuple(rgba)
self._setSeq(seq)
self.wellformed = ok
def _CSSFunctionProd(parent, nextSor=False):
return PreDef.function(nextSor=nextSor,
toSeq=lambda t, tokens:
(CSSFunction._functionName,
CSSFunction(pushtoken(t, tokens), parent=parent)))
def _setMediaText(self, mediaText):
"""
:param mediaText:
simple value or comma-separated list of media
:exceptions:
- - :exc:`~xml.dom.SyntaxErr`:
Raised if the specified string value has a syntax error and is
unparsable.
- - :exc:`~xml.dom.NoModificationAllowedErr`:
Raised if this media list is readonly.
"""
self._checkReadonly()
mediaquery = lambda: Prod(name='MediaQueryStart',
match=lambda t, v: t == 'IDENT' or v == u'(',
toSeq=lambda t, tokens: ('MediaQuery',
MediaQuery(pushtoken(t, tokens),
_partof=True))
)
prods = Sequence(Sequence(PreDef.comment(parent=self),
minmax=lambda: (0, None)
),
mediaquery(),
Sequence(PreDef.comma(toSeq=False),
mediaquery(),
minmax=lambda: (0, None))
)
# parse
ok, seq, store, unused = ProdParser().parse(mediaText,
u'MediaList',
prods, debug="ml")
# each mq must be valid
atleastone = False
for item in seq:
v = item.value
if isinstance(v, MediaQuery):
if not v.wellformed:
ok = False
break
else:
atleastone = True
# must be at least one value!
if not atleastone:
ok = False
self._wellformed = ok
self._log.error(u'MediaQuery: No content.',
error=xml.dom.SyntaxErr)
self._wellformed = ok
if ok:
mediaTypes = []
finalseq = cssutils.util.Seq(readonly=False)
commentseqonly = cssutils.util.Seq(readonly=False)
for item in seq:
# filter for doubles?
if item.type == 'MediaQuery':
mediaType = item.value.mediaType
if mediaType:
if mediaType == u'all':
# remove anthing else and keep all+comments(!) only
finalseq = commentseqonly
finalseq.append(item)
break
elif mediaType in mediaTypes:
continue
else:
mediaTypes.append(mediaType)
elif isinstance(item.value, cssutils.css.csscomment.CSSComment):
commentseqonly.append(item)
finalseq.append(item)
self._setSeq(finalseq)
def _setCssText(self, cssText):
self._checkReadonly()
types = self._prods # rename!
component = Choice(
PreDef.unary(toSeq=lambda t, tokens: (t[
0], DimensionValue(pushtoken(t, tokens), parent=self))),
PreDef.number(toSeq=lambda t, tokens: (t[
0], DimensionValue(pushtoken(t, tokens), parent=self))),
PreDef.percentage(toSeq=lambda t, tokens: (t[
0], DimensionValue(pushtoken(t, tokens), parent=self))))
noalp = Sequence(
Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION and v in
(u'rgb(', u'hsl('),
toSeq=lambda t, tokens: (t[0], normalize(t[1]))), component,
Sequence(PreDef.comma(), component, minmax=lambda: (2, 2)),
PreDef.funcEnd(stop=True))
witha = Sequence(
Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION and v in
(u'rgba(', u'hsla('),
toSeq=lambda t, tokens: (t[0], normalize(t[1]))), component,
Sequence(PreDef.comma(), component, minmax=lambda: (3, 3)),
PreDef.funcEnd(stop=True))
namedcolor = Prod(name='Named Color',
match=lambda t, v: t == 'IDENT' and
(normalize(v) in self.COLORS.keys()),
stop=True)
prods = Choice(PreDef.hexcolor(stop=True), namedcolor, noalp, witha)
ok, seq, store, unused = ProdParser().parse(cssText, self.type, prods)
if ok:
t, v = seq[0].type, seq[0].value
if u'IDENT' == t:
rgba = self.COLORS[normalize(v)]
if u'HASH' == t:
if len(v) == 4:
# HASH #rgb
rgba = (int(2 * v[1], 16), int(2 * v[1],
16), int(2 * v[1], 16), 1.0)
else:
# HASH #rrggbb
rgba = (int(v[1:3], 16), int(v[3:5], 16), int(v[5:7],
16), 1.0)
elif u'FUNCTION' == t:
functiontype, rgba, check = None, [], u''
for item in seq:
try:
type_ = item.value.type
except AttributeError, e:
# type of function, e.g. rgb(
if item.type == 'FUNCTION':
functiontype = item.value
continue
# save components
if type_ == Value.NUMBER:
rgba.append(item.value.value)
check += u'N'
elif type_ == Value.PERCENTAGE:
rgba.append(int(255 * item.value.value / 100))
check += u'P'
# validate
checks = {
u'rgb(': ('NNN', 'PPP'),
u'rgba(': ('NNNN', 'PPPN'),
u'hsl(': ('NPP', ),
u'hsla(': ('NPPN', )
}
if check not in checks[functiontype]:
self._log.error(u'ColorValue has invalid %s) parameters: '
u'%s (N=Number, P=Percentage)' %
(functiontype, check))
if len(rgba) < 4:
rgba.append(1.0)
self._colorType = t
self._red, self._green, self._blue, self._alpha = tuple(rgba)
self._setSeq(seq)
self.wellformed = ok
