def normalize_font(name, cssvalue):
# See https://developer.mozilla.org/en-US/docs/Web/CSS/font
composition = font_composition
val = cssvalue.cssText
if val == 'inherit':
return {k:'inherit' for k in composition}
if val in {'caption', 'icon', 'menu', 'message-box', 'small-caption', 'status-bar'}:
return {k:DEFAULTS[k] for k in composition}
try:
primitives = list(v.cssText for v in cssvalue)
except TypeError:
primitives = [cssvalue.cssText]
if len(primitives) < 2:
return {} # Mandatory to define both font size and font family
style = {k:DEFAULTS[k] for k in composition}
style['font-family'] = primitives.pop()
if len(primitives) > 1 and cssprofiles.validate('line-height', primitives[-1]) and cssprofiles.validate('font-size', primitives[-2]):
style['line-height'], style['font-size'] = primitives.pop(), primitives.pop()
else:
val = primitives.pop()
if not cssprofiles.validate('font-size', val):
return {}
style['font-size'] = val
composition = composition[:3]
while primitives:
value = primitives.pop()
for key in composition:
if cssprofiles.validate(key, value):
style[key] = value
break
return style
def normalize_font(cssvalue, font_family_as_list=False):
# See https://developer.mozilla.org/en-US/docs/Web/CSS/font
composition = font_composition
val = cssvalue.cssText
if val == 'inherit':
return {k: 'inherit' for k in composition}
if val in {
'caption', 'icon', 'menu', 'message-box', 'small-caption',
'status-bar'
}:
return {k: DEFAULTS[k] for k in composition}
if getattr(cssvalue, 'length', 1) < 2:
return {} # Mandatory to define both font size and font family
style = {k: DEFAULTS[k] for k in composition}
families = []
vals = [x.cssText for x in cssvalue]
found_font_size = False
while vals:
text = vals.pop()
if not families and text == 'inherit':
families.append(text)
continue
if cssprofiles.validate('line-height', text):
if not vals or not cssprofiles.validate('font-size', vals[-1]):
if cssprofiles.validate('font-size', text):
style['font-size'] = text
found_font_size = True
break
return {} # must have font-size here
style['line-height'] = text
style['font-size'] = vals.pop()
found_font_size = True
break
if cssprofiles.validate('font-size', text):
style['font-size'] = text
found_font_size = True
break
if families == ['inherit']:
return {
} # Cannot have multiple font-families if the last one if inherit
families.insert(0, text)
if not families or not found_font_size:
return {} # font-family required
style['font-family'] = families if font_family_as_list else ', '.join(
families)
props = ['font-style', 'font-variant', 'font-weight']
while vals:
for i, prop in enumerate(tuple(props)):
if cssprofiles.validate(prop, vals[0]):
props.pop(i)
style[prop] = vals.pop(0)
break
else:
return {} # unrecognized value
return style
def normalize_font(cssvalue, font_family_as_list=False):
# See https://developer.mozilla.org/en-US/docs/Web/CSS/font
composition = font_composition
val = cssvalue.cssText
if val == "inherit":
return {k: "inherit" for k in composition}
if val in {"caption", "icon", "menu", "message-box", "small-caption", "status-bar"}:
return {k: DEFAULTS[k] for k in composition}
if getattr(cssvalue, "length", 1) < 2:
return {} # Mandatory to define both font size and font family
style = {k: DEFAULTS[k] for k in composition}
families = []
vals = [x.cssText for x in cssvalue]
found_font_size = False
while vals:
text = vals.pop()
if not families and text == "inherit":
families.append(text)
continue
if cssprofiles.validate("line-height", text):
if not vals or not cssprofiles.validate("font-size", vals[-1]):
if cssprofiles.validate("font-size", text):
style["font-size"] = text
found_font_size = True
break
return {} # must have font-size here
style["line-height"] = text
style["font-size"] = vals.pop()
found_font_size = True
break
if cssprofiles.validate("font-size", text):
style["font-size"] = text
found_font_size = True
break
if families == ["inherit"]:
return {} # Cannot have multiple font-families if the last one if inherit
families.insert(0, text)
if not families or not found_font_size:
return {} # font-family required
style["font-family"] = families if font_family_as_list else ", ".join(families)
props = ["font-style", "font-variant", "font-weight"]
while vals:
for i, prop in enumerate(tuple(props)):
if cssprofiles.validate(prop, vals[0]):
props.pop(i)
style[prop] = vals.pop(0)
break
else:
return {} # unrecognized value
return style
def _normalize_font(self, cssvalue):
composition = ('font-style', 'font-variant', 'font-weight',
'font-size', 'line-height', 'font-family')
style = {}
if cssvalue.cssText == 'inherit':
for key in composition:
style[key] = 'inherit'
else:
try:
primitives = [v.cssText for v in cssvalue]
except TypeError:
primitives = [cssvalue.cssText]
primitives.reverse()
value = primitives.pop()
for key in composition:
if cssprofiles.validate(key, value):
style[key] = value
if not primitives:
break
value = primitives.pop()
for key in composition:
if key not in style:
val = ('inherit' if key in {'font-family', 'font-size'}
else 'normal')
style[key] = val
return style
def _normalize_list_style(self, cssvalue):
composition = ('list-style-type', 'list-style-position',
'list-style-image')
style = {}
if cssvalue.cssText == 'inherit':
for key in composition:
style[key] = 'inherit'
else:
try:
primitives = [v.cssText for v in cssvalue]
except TypeError:
primitives = [cssvalue.cssText]
primitives.reverse()
value = primitives.pop()
for key in composition:
if cssprofiles.validate(key, value):
style[key] = value
if not primitives:
break
value = primitives.pop()
for key in composition:
if key not in style:
style[key] = DEFAULTS[key]
return style
def _normalize_font(self, cssvalue):
composition = ('font-style', 'font-variant', 'font-weight',
'font-size', 'line-height', 'font-family')
style = {}
if cssvalue.cssText == 'inherit':
for key in composition:
style[key] = 'inherit'
else:
try:
primitives = [v.cssText for v in cssvalue]
except TypeError:
primitives = [cssvalue.cssText]
primitives.reverse()
value = primitives.pop()
for key in composition:
if cssprofiles.validate(key, value):
style[key] = value
if not primitives:
break
value = primitives.pop()
for key in composition:
if key not in style:
val = ('inherit' if key in {'font-family', 'font-size'}
else 'normal')
style[key] = val
return style
def _normalize_list_style(self, cssvalue):
composition = ('list-style-type', 'list-style-position',
'list-style-image')
style = {}
if cssvalue.cssText == 'inherit':
for key in composition:
style[key] = 'inherit'
else:
try:
primitives = [v.cssText for v in cssvalue]
except TypeError:
primitives = [cssvalue.cssText]
primitives.reverse()
value = primitives.pop()
for key in composition:
if cssprofiles.validate(key, value):
style[key] = value
if not primitives:
break
value = primitives.pop()
for key in composition:
if key not in style:
style[key] = DEFAULTS[key]
return style
def normalize_font(name, cssvalue):
# See https://developer.mozilla.org/en-US/docs/Web/CSS/font
composition = font_composition
val = cssvalue.cssText
if val == 'inherit':
return {k: 'inherit' for k in composition}
if val in {
'caption', 'icon', 'menu', 'message-box', 'small-caption',
'status-bar'
}:
return {k: DEFAULTS[k] for k in composition}
try:
primitives = list(v.cssText for v in cssvalue)
except TypeError:
primitives = [cssvalue.cssText]
if len(primitives) < 2:
return {} # Mandatory to define both font size and font family
style = {k: DEFAULTS[k] for k in composition}
style['font-family'] = primitives.pop()
if len(primitives) > 1 and cssprofiles.validate(
'line-height', primitives[-1]) and cssprofiles.validate(
'font-size', primitives[-2]):
style['line-height'], style['font-size'] = primitives.pop(
), primitives.pop()
else:
val = primitives.pop()
if not cssprofiles.validate('font-size', val):
return {}
style['font-size'] = val
composition = composition[:3]
while primitives:
value = primitives.pop()
for key in composition:
if cssprofiles.validate(key, value):
style[key] = value
break
return style
def normalize_simple_composition(name, cssvalue, composition, check_inherit=True):
if check_inherit and cssvalue.cssText == 'inherit':
style = {k:'inherit' for k in composition}
else:
style = {k:DEFAULTS[k] for k in composition}
try:
primitives = [v.cssText for v in cssvalue]
except TypeError:
primitives = [cssvalue.cssText]
while primitives:
value = primitives.pop()
for key in composition:
if cssprofiles.validate(key, value):
style[key] = value
break
return style
def normalize_simple_composition(name, cssvalue, composition, check_inherit=True):
if check_inherit and cssvalue.cssText == 'inherit':
style = {k:'inherit' for k in composition}
else:
style = {k:DEFAULTS[k] for k in composition}
try:
primitives = [v.cssText for v in cssvalue]
except TypeError:
primitives = [cssvalue.cssText]
while primitives:
value = primitives.pop()
for key in composition:
if cssprofiles.validate(key, value):
style[key] = value
break
return style
