def stylesheet_declarations(string, is_merc=False, scale=1):
""" Parse a string representing a stylesheet into a list of declarations.
Required boolean is_merc indicates whether the projection should
be interpreted as spherical mercator, so we know what to do with
zoom/scale-denominator in parse_rule().
"""
# everything is display: map by default
display_map = Declaration(Selector(SelectorElement(['*'], [])),
Property('display'), Value('map', False),
(False, (0, 0, 0), (0, 0)))
declarations = [display_map]
tokens = cssTokenizer().tokenize(string)
variables = {}
while True:
try:
for declaration in parse_rule(tokens, variables, [], [], is_merc):
if scale != 1:
declaration.scaleBy(scale)
declarations.append(declaration)
except StopIteration:
break
# sort by a css-like method
return sorted(declarations, key=operator.attrgetter('sort_key'))
def stylesheet_declarations(string, is_merc=False, scale=1):
""" Parse a string representing a stylesheet into a list of declarations.
Required boolean is_merc indicates whether the projection should
be interpreted as spherical mercator, so we know what to do with
zoom/scale-denominator in parse_rule().
"""
# everything is display: map by default
display_map = Declaration(Selector(SelectorElement(['*'], [])),
Property('display'), Value('map', False),
(False, (0, 0, 0), (0, 0)))
declarations = [display_map]
tokens = cssTokenizer().tokenize(string)
variables = {}
while True:
try:
for declaration in parse_rule(tokens, variables, [], [], is_merc):
if scale != 1:
declaration.scaleBy(scale)
declarations.append(declaration)
except StopIteration:
break
# sort by a css-like method
return sorted(declarations, key=operator.attrgetter('sort_key'))
def stylesheet_rulesets(string, base=None, is_gym=False):
""" Parse a string representing a stylesheet into a list of rulesets.
Optionally, accept a base string so we know where linked files come from,
and a flag letting us know whether this is a Google/VEarth mercator projection
so we know what to do with zoom/scale-denominator in postprocess_selector().
"""
in_selectors = False
in_block = False
in_declaration = False # implies in_block
in_property = False # implies in_declaration
rulesets = []
tokens = cssTokenizer().tokenize(string)
for token in tokens:
nname, value, line, col = token
try:
if not in_selectors and not in_block:
if nname == "CHAR" and value == "{":
#
raise ParseException('Encountered unexpected opening "{"', line, col)
elif (nname in ("IDENT", "HASH")) or (nname == "CHAR" and value != "{"):
# beginning of a
rulesets.append({"selectors": [[(nname, value)]], "declarations": []})
in_selectors = True
elif in_selectors and not in_block:
ruleset = rulesets[-1]
if nname == "CHAR" and value == "{":
# open curly-brace means we're on to the actual rule sets
ruleset["selectors"][-1] = postprocess_selector(ruleset["selectors"][-1], is_gym, line, col)
in_selectors = False
in_block = True
elif nname == "CHAR" and value == ",":
# comma means there's a break between selectors
ruleset["selectors"][-1] = postprocess_selector(ruleset["selectors"][-1], is_gym, line, col)
ruleset["selectors"].append([])
elif nname not in ("COMMENT"):
# we're just in a selector is all
ruleset["selectors"][-1].append((nname, value))
elif in_block and not in_declaration:
ruleset = rulesets[-1]
if nname == "IDENT":
# right at the start of a declaration
ruleset["declarations"].append({"property": [(nname, value)], "value": [], "position": (line, col)})
in_declaration = True
in_property = True
elif nname == "CHAR" and value == "}":
# end of block
in_block = False
elif nname not in ("S", "COMMENT"):
# something else
raise ParseException("Unexpected %(nname)s while looking for a property" % locals(), line, col)
elif in_declaration and in_property:
declaration = rulesets[-1]["declarations"][-1]
if nname == "CHAR" and value == ":":
# end of property
declaration["property"] = postprocess_property(declaration["property"], line, col)
in_property = False
elif nname not in ("COMMENT"):
# in a declaration property
declaration["property"].append((nname, value))
elif in_declaration and not in_property:
declaration = rulesets[-1]["declarations"][-1]
if nname == "CHAR" and value == ";":
# end of declaration
declaration["value"] = postprocess_value(
declaration["value"], declaration["property"], base, line, col
)
in_declaration = False
elif nname not in ("COMMENT"):
# in a declaration value
declaration["value"].append((nname, value))
except ParseException, e:
# raise ParseException(e.message + ' (line %(line)d, column %(col)d)' % locals(), line, col)
raise
def stylesheet_rulesets(string, is_merc=False):
""" Parse a string representing a stylesheet into a list of rulesets.
Required boolean is_merc indicates whether the projection should
be interpreted as spherical mercator, so we know what to do with
zoom/scale-denominator in postprocess_selector().
"""
in_selectors = False
in_block = False
in_declaration = False # implies in_block
in_property = False # implies in_declaration
rulesets = []
tokens = cssTokenizer().tokenize(string)
for token in tokens:
nname, value, line, col = token
try:
if not in_selectors and not in_block:
if nname == 'CHAR' and value == '{':
#
raise ParseException('Encountered unexpected opening "{"', line, col)
elif (nname in ('IDENT', 'HASH')) or (nname == 'CHAR' and value != '{'):
# beginning of a
rulesets.append({'selectors': [[(nname, value)]], 'declarations': []})
in_selectors = True
elif in_selectors and not in_block:
ruleset = rulesets[-1]
if (nname == 'CHAR' and value == '{'):
# open curly-brace means we're on to the actual rule sets
ruleset['selectors'][-1] = postprocess_selector(ruleset['selectors'][-1], is_merc, line, col)
in_selectors = False
in_block = True
elif (nname == 'CHAR' and value == ','):
# comma means there's a break between selectors
ruleset['selectors'][-1] = postprocess_selector(ruleset['selectors'][-1], is_merc, line, col)
ruleset['selectors'].append([])
elif nname not in ('COMMENT'):
# we're just in a selector is all
ruleset['selectors'][-1].append((nname, value))
elif in_block and not in_declaration:
ruleset = rulesets[-1]
if nname == 'IDENT':
# right at the start of a declaration
ruleset['declarations'].append({'property': [(nname, value)], 'value': [], 'position': (line, col)})
in_declaration = True
in_property = True
elif (nname == 'CHAR' and value == '}'):
# end of block
in_block = False
elif nname not in ('S', 'COMMENT'):
# something else
raise ParseException('Unexpected %(nname)s while looking for a property' % locals(), line, col)
elif in_declaration and in_property:
declaration = rulesets[-1]['declarations'][-1]
if nname == 'CHAR' and value == ':':
# end of property
declaration['property'] = postprocess_property(declaration['property'], line, col)
in_property = False
elif nname not in ('COMMENT'):
# in a declaration property
declaration['property'].append((nname, value))
elif in_declaration and not in_property:
declaration = rulesets[-1]['declarations'][-1]
if nname == 'CHAR' and value == ';':
# end of declaration
declaration['value'] = postprocess_value(declaration['value'], declaration['property'], line, col)
in_declaration = False
elif nname not in ('COMMENT'):
# in a declaration value
declaration['value'].append((nname, value))
except ParseException, e:
#raise ParseException(e.message + ' (line %(line)d, column %(col)d)' % locals(), line, col)
raise
