python-cssutils 1.0-4.1 / usr / lib / python2.7 / dist-packages / cssutils / profiles.py

"""CSS profiles.

Profiles is based on code by Kevin D. Smith, orginally used as cssvalues,
thanks!
"""
__all__ = ['Profiles']
__docformat__ = 'restructuredtext'
__version__ = '$Id: cssproperties.py 1116 2008-03-05 13:52:23Z cthedot $'

import re
import types

class NoSuchProfileException(Exception):
    """Raised if no profile with given name is found"""
    pass


# dummies, replaced in Profiles.addProfile
_fontRegexReplacements = {
    '__FONT_FAMILY_SINGLE': lambda f: False,
    '__FONT_WITH_1_FAMILY': lambda f: False
    }

def _fontFamilyValidator(families):
    """Check if ``font-family`` value is valid, regex is too slow.

    Splits on ``,`` and checks each family separately.
    Somehow naive as font-family name could contain a "," but this is unlikely.
    Still should be a TODO.
    """
    match = _fontRegexReplacements['__FONT_FAMILY_SINGLE']

    for f in families.split(u','):
        if not match(f.strip()):
            return False
    return True

def _fontValidator(font):
    """Check if font value is valid, regex is too slow.

    Checks everything before ``,`` on basic font value. Everything after should
    be a valid font-family value.
    """
    if u',' in font:
        # split off until 1st family
        font1, families2 = font.split(u',', 1)
    else:
        font1, families2 = font, None

    if not _fontRegexReplacements['__FONT_WITH_1_FAMILY'](font1.strip()):
        return False

    if families2 and not _fontFamilyValidator(families2):
        return False

    return True


class Profiles(object):
    """
    All profiles used for validation. ``cssutils.profile`` is a
    preset object of this class and used by all properties for validation.

    Predefined profiles are (use
    :meth:`~cssutils.profiles.Profiles.propertiesByProfile` to
    get a list of defined properties):

    :attr:`~cssutils.profiles.Profiles.CSS_LEVEL_2`
        Properties defined by CSS2.1
    :attr:`~cssutils.profiles.Profiles.CSS3_BASIC_USER_INTERFACE`
        Currently resize and outline properties only
    :attr:`~cssutils.profiles.Profiles.CSS3_BOX`
        Currently overflow related properties only
    :attr:`~cssutils.profiles.Profiles.CSS3_COLOR`
        CSS 3 color properties
    :attr:`~cssutils.profiles.Profiles.CSS3_PAGED_MEDIA`
        As defined at http://www.w3.org/TR/css3-page/ (at 090307)

    Predefined macros are:

    :attr:`~cssutils.profiles.Profiles._TOKEN_MACROS`
        Macros containing the token values as defined to CSS2
    :attr:`~cssutils.profiles.Profiles._MACROS`
        Additional general macros.

    If you want to redefine any of these macros do this in your custom
    macros.
    """
    CSS_LEVEL_2 = u'CSS Level 2.1'
    CSS3_BACKGROUNDS_AND_BORDERS = u'CSS Backgrounds and Borders Module Level 3'
    CSS3_BASIC_USER_INTERFACE = u'CSS3 Basic User Interface Module'
    CSS3_BOX = CSS_BOX_LEVEL_3 = u'CSS Box Module Level 3'
    CSS3_COLOR = CSS_COLOR_LEVEL_3 = u'CSS Color Module Level 3'
    CSS3_FONTS = u'CSS Fonts Module Level 3'
    CSS3_FONT_FACE = u'CSS Fonts Module Level 3 @font-face properties'
    CSS3_PAGED_MEDIA = u'CSS3 Paged Media Module'
    CSS3_TEXT = u'CSS Text Level 3'

    _TOKEN_MACROS = {
        'ident': r'[-]?{nmstart}{nmchar}*',
        'name': r'{nmchar}+',
        'nmstart': r'[_a-z]|{nonascii}|{escape}',
        'nonascii': r'[^\0-\177]',
        'unicode': r'\\[0-9a-f]{1,6}(\r\n|[ \n\r\t\f])?',
        'escape': r'{unicode}|\\[ -~\u0080-\u01ff]',
    #   'escape': r'{unicode}|\\[ -~\200-\4177777]',
        'int': r'[-]?\d+',
        'nmchar': r'[\w-]|{nonascii}|{escape}',
        'num': r'[-]?\d+|[-]?\d*\.\d+',
        'positivenum': r'\d+|\d*\.\d+',
        'number': r'{num}',
        'string': r'{string1}|{string2}',
        'string1': r'"(\\\"|[^\"])*"',
        'uri': r'url\({w}({string}|(\\\)|[^\)])+){w}\)',
        'string2': r"'(\\\'|[^\'])*'",
        'nl': r'\n|\r\n|\r|\f',
        'w': r'\s*',
        }
    _MACROS = {
        'hexcolor': r'#[0-9a-f]{3}|#[0-9a-f]{6}',
        'rgbcolor': r'rgb\({w}{int}{w}\,{w}{int}{w}\,{w}{int}{w}\)|rgb\({w}{num}%{w}\,{w}{num}%{w}\,{w}{num}%{w}\)',
        'namedcolor': r'(transparent|orange|maroon|red|orange|yellow|olive|purple|fuchsia|white|lime|green|navy|blue|aqua|teal|black|silver|gray)',
        'uicolor': r'(ActiveBorder|ActiveCaption|AppWorkspace|Background|ButtonFace|ButtonHighlight|ButtonShadow|ButtonText|CaptionText|GrayText|Highlight|HighlightText|InactiveBorder|InactiveCaption|InactiveCaptionText|InfoBackground|InfoText|Menu|MenuText|Scrollbar|ThreeDDarkShadow|ThreeDFace|ThreeDHighlight|ThreeDLightShadow|ThreeDShadow|Window|WindowFrame|WindowText)',
        'color': r'{namedcolor}|{hexcolor}|{rgbcolor}|{uicolor}',
        #'color': r'(maroon|red|orange|yellow|olive|purple|fuchsia|white|lime|green|navy|blue|aqua|teal|black|silver|gray|ActiveBorder|ActiveCaption|AppWorkspace|Background|ButtonFace|ButtonHighlight|ButtonShadow|ButtonText|CaptionText|GrayText|Highlight|HighlightText|InactiveBorder|InactiveCaption|InactiveCaptionText|InfoBackground|InfoText|Menu|MenuText|Scrollbar|ThreeDDarkShadow|ThreeDFace|ThreeDHighlight|ThreeDLightShadow|ThreeDShadow|Window|WindowFrame|WindowText)|#[0-9a-f]{3}|#[0-9a-f]{6}|rgb\({w}{int}{w},{w}{int}{w},{w}{int}{w}\)|rgb\({w}{num}%{w},{w}{num}%{w},{w}{num}%{w}\)',
        'integer': r'{int}',
        'length': r'0|{num}(em|ex|px|in|cm|mm|pt|pc)',
        'positivelength': r'0|{positivenum}(em|ex|px|in|cm|mm|pt|pc)',
        'angle': r'0|{num}(deg|grad|rad)',
        'time': r'0|{num}m?s',
        'frequency': r'0|{num}k?Hz',
        'percentage': r'{num}%',
        'shadow': '(inset)?{w}{length}{w}{length}{w}{length}?{w}{length}?{w}{color}?'
        }

    def __init__(self, log=None):
        """A few profiles are predefined."""
        self._log = log

        # macro cache
        self._usedMacros = Profiles._TOKEN_MACROS.copy()
        self._usedMacros.update(Profiles._MACROS.copy())

        # to keep order, REFACTOR!
        self._profileNames = []
        # for reset if macro changes
        self._rawProfiles = {}
        # already compiled profiles: {profile: {property: checkfunc, ...}, ...}
        self._profilesProperties = {}

        self._defaultProfiles = None

        self.addProfiles([(self.CSS_LEVEL_2,
                           properties[self.CSS_LEVEL_2],
                           macros[self.CSS_LEVEL_2]
                           ),
                          (self.CSS3_BACKGROUNDS_AND_BORDERS,
                           properties[self.CSS3_BACKGROUNDS_AND_BORDERS],
                           macros[self.CSS3_BACKGROUNDS_AND_BORDERS]
                           ),
                          (self.CSS3_BASIC_USER_INTERFACE,
                           properties[self.CSS3_BASIC_USER_INTERFACE],
                           macros[self.CSS3_BASIC_USER_INTERFACE]
                           ),
                          (self.CSS3_BOX,
                           properties[self.CSS3_BOX],
                           macros[self.CSS3_BOX]
                           ),
                          (self.CSS3_COLOR,
                           properties[self.CSS3_COLOR],
                           macros[self.CSS3_COLOR]
                           ),
                          (self.CSS3_FONTS,
                           properties[self.CSS3_FONTS],
                           macros[self.CSS3_FONTS]
                           ),
                          # new object for font-face only?
                          (self.CSS3_FONT_FACE,
                           properties[self.CSS3_FONT_FACE],
                           macros[self.CSS3_FONTS]
                           ),
                          (self.CSS3_PAGED_MEDIA,
                           properties[self.CSS3_PAGED_MEDIA],
                           macros[self.CSS3_PAGED_MEDIA]
                           ),
                          (self.CSS3_TEXT,
                           properties[self.CSS3_TEXT],
                           macros[self.CSS3_TEXT]
                           )
                        ])

        self.__update_knownNames()

    def _expand_macros(self, dictionary, macros):
        """Expand macros in token dictionary"""
        def macro_value(m):
            return '(?:%s)' % macros[m.groupdict()['macro']]

        for key, value in dictionary.items():
            if not hasattr(value, '__call__'):
                while re.search(r'{[a-z][a-z0-9-]*}', value):
                    value = re.sub(r'{(?P<macro>[a-z][a-z0-9-]*)}',
                                   macro_value, value)
            dictionary[key] = value

        return dictionary

    def _compile_regexes(self, dictionary):
        """Compile all regular expressions into callable objects"""
        for key, value in dictionary.items():
            # might be a function (font-family) as regex is too slow
            if not hasattr(value, '__call__') and not isinstance(value,
                                                                 types.FunctionType):
                value = re.compile('^(?:%s)$' % value, re.I).match
            dictionary[key] = value

        return dictionary

    def __update_knownNames(self):
        self._knownNames = []
        for properties in self._profilesProperties.values():
            self._knownNames.extend(properties.keys())

    def _getDefaultProfiles(self):
        "If not explicitly set same as Profiles.profiles but in reverse order."
        if not self._defaultProfiles:
            return self.profiles
        else:
            return self._defaultProfiles

    def _setDefaultProfiles(self, profiles):
        "profiles may be a single or a list of profile names"
        if isinstance(profiles, basestring):
            self._defaultProfiles = (profiles,)
        else:
            self._defaultProfiles = profiles

    defaultProfiles = property(_getDefaultProfiles,
                               _setDefaultProfiles,
                               doc=u"Names of profiles to use for validation."
                                   u"To use e.g. the CSS2 profile set "
                                   u"``cssutils.profile.defaultProfiles = "
                                   u"cssutils.profile.CSS_LEVEL_2``")

    profiles = property(lambda self: self._profileNames,
                        doc=u'Names of all profiles in order as defined.')

    knownNames = property(lambda self: self._knownNames,
                               doc="All known property names of all profiles.")

    def _resetProperties(self, newMacros=None):
        "reset all props from raw values as changes in macros happened"
        # base
        macros = Profiles._TOKEN_MACROS.copy()
        macros.update(Profiles._MACROS.copy())

        # former
        for profile in self._profileNames:
            macros.update(self._rawProfiles[profile]['macros'])

        # new
        if newMacros:
            macros.update(newMacros)

        # reset properties
        self._profilesProperties.clear()
        for profile in self._profileNames:
            properties = self._expand_macros(
                            # keep raw
                            self._rawProfiles[profile]['properties'].copy(),
                            macros)
            self._profilesProperties[profile] = self._compile_regexes(properties)

        # save
        self._usedMacros = macros


    def addProfiles(self, profiles):
        """Add a list of profiles at once. Useful as if profiles define custom
        macros these are used in one go. Using `addProfile` instead my be
        **very** slow instead.
        """
        # add macros
        for profile, properties, macros in profiles:
            if macros:
                self._usedMacros.update(macros)
                self._rawProfiles[profile] = {'macros': macros.copy()}

        # only add new properties
        for profile, properties, macros in profiles:
            self.addProfile(profile, properties.copy(), None)


    def addProfile(self, profile, properties, macros=None):
        """Add a new profile with name `profile` (e.g. 'CSS level 2')
        and the given `properties`.

        :param profile:
            the new `profile`'s name
        :param properties:
            a dictionary of ``{ property-name: propery-value }`` items where
            property-value is a regex which may use macros defined in given
            ``macros`` or the standard macros Profiles.tokens and
            Profiles.generalvalues.

            ``propery-value`` may also be a function which takes a single
            argument which is the value to validate and which should return
            True or False.
            Any exceptions which may be raised during this custom validation
            are reported or raised as all other cssutils exceptions depending
            on cssutils.log.raiseExceptions which e.g during parsing normally
            is False so the exceptions would be logged only.
        :param macros:
            may be used in the given properties definitions. There are some
            predefined basic macros which may always be used in
            :attr:`Profiles._TOKEN_MACROS` and :attr:`Profiles._MACROS`.
        """
        if macros:
            # check if known macros would change and if yes reset properties
            if len(set(macros.keys()).intersection(self._usedMacros.keys())):
                self._resetProperties(newMacros=macros)

            else:
                # no replacement, simply continue
                self._usedMacros.update(macros)

        else:
            # might have been set by addProfiles before
            try:
                macros = self._rawProfiles[profile]['macros']
            except KeyError, e:
                macros = {}

        # save name and raw props/macros if macros change to completely reset
        self._profileNames.append(profile)
        self._rawProfiles[profile] = {'properties': properties.copy(),
                                      'macros': macros.copy()}
        # prepare and save properties
        properties = self._expand_macros(properties, self._usedMacros)
        self._profilesProperties[profile] = self._compile_regexes(properties)

        self.__update_knownNames()

        # hack for font and font-family which are too slow with regexes
        if '__FONT_WITH_1_FAMILY' in properties:
            _fontRegexReplacements['__FONT_WITH_1_FAMILY'] = properties['__FONT_WITH_1_FAMILY']
        if '__FONT_FAMILY_SINGLE' in properties:
            _fontRegexReplacements['__FONT_FAMILY_SINGLE'] = properties['__FONT_FAMILY_SINGLE']


    def removeProfile(self, profile=None, all=False):
        """Remove `profile` or remove `all` profiles.

        If the removed profile used custom macros all remaining profiles
        are reset to reflect the macro changes. This may be quite an expensive
        operation!

        :param profile:
            profile name to remove
        :param all:
            if ``True`` removes all profiles to start with a clean state
        :exceptions:
            - :exc:`cssutils.profiles.NoSuchProfileException`:
              If given `profile` cannot be found.
        """
        if all:
            self._profilesProperties.clear()
            self._rawProfiles.clear()
            del self._profileNames[:]
        else:
            reset = False

            try:
                if (self._rawProfiles[profile]['macros']):
                    reset = True

                del self._profilesProperties[profile]
                del self._rawProfiles[profile]
                del self._profileNames[self._profileNames.index(profile)]
            except KeyError:
                raise NoSuchProfileException(u'No profile %r.' % profile)

            else:
                if reset:
                    # reset properties as macros were removed
                    self._resetProperties()

        self.__update_knownNames()

    def propertiesByProfile(self, profiles=None):
        """Generator: Yield property names, if no `profiles` is given all
        profile's properties are used.

        :param profiles:
            a single profile name or a list of names.
        """
        if not profiles:
            profiles = self.profiles
        elif isinstance(profiles, basestring):
            profiles = (profiles, )
        try:
            for profile in sorted(profiles):
                for name in sorted(self._profilesProperties[profile].keys()):
                    yield name
        except KeyError, e:
            raise NoSuchProfileException(e)

    def validate(self, name, value):
        """Check if `value` is valid for given property `name` using **any**
        profile.

        :param name:
            a property name
        :param value:
            a CSS value (string)
        :returns:
            if the `value` is valid for the given property `name` in any
            profile
        """
        for profile in self.profiles:
            if name in self._profilesProperties[profile]:
                try:
                    # custom validation errors are caught
                    r = bool(self._profilesProperties[profile][name](value))
                except Exception, e:
                    # TODO: more specific exception?
                    # Validate should not be fatal though!
                    self._log.error(e, error=Exception)
                    r = False
                if r:
                    return r
        return False

    def validateWithProfile(self, name, value, profiles=None):
        """Check if `value` is valid for given property `name` returning
        ``(valid, profile)``.

        :param name:
            a property name
        :param value:
            a CSS value (string)
        :param profiles:
            internal parameter used by Property.validate only
        :returns:
            ``valid, matching, profiles`` where ``valid`` is if the `value`
            is valid for the given property `name` in any profile,
            ``matching==True`` if it is valid in the given `profiles`
            and ``profiles`` the profile names for which the value is valid
            (or ``[]`` if not valid at all)

        Example::

            >>> cssutils.profile.defaultProfiles = cssutils.profile.CSS_LEVEL_2
            >>> print cssutils.profile.validateWithProfile('color', 'rgba(1,1,1,1)')
            (True, False, Profiles.CSS3_COLOR)
        """
        if name not in self.knownNames:
            return False, False, []
        else:
            if not profiles:
                profiles = self.defaultProfiles
            elif isinstance(profiles, basestring):
                profiles = (profiles, )
            for profilename in reversed(profiles):
                # check given profiles
                if name in self._profilesProperties[profilename]:
                    validate = self._profilesProperties[profilename][name]
                    try:
                        if validate(value):
                            return True, True, [profilename]
                    except Exception, e:
                        self._log.error(e, error=Exception)

            for profilename in (p for p in self._profileNames
                                if p not in profiles):
                # check remaining profiles as well
                if name in self._profilesProperties[profilename]:
                    validate = self._profilesProperties[profilename][name]
                    try:
                        if validate(value):
                            return True, False, [profilename]
                    except Exception, e:
                        self._log.error(e, error=Exception)

            names = []
            for profilename, properties in self._profilesProperties.items():
                # return profile to which name belongs
                if name in properties.keys():
                    names.append(profilename)
            names.sort()
            return False, False, names


properties = {}
macros = {}


"""
Define some regular expression fragments that will be used as
macros within the CSS property value regular expressions.
"""
macros[Profiles.CSS_LEVEL_2] = {
    'background-color': r'{color}|transparent|inherit',
    'background-image': r'{uri}|none|inherit',
    #'background-position': r'({percentage}|{length})(\s*({percentage}|{length}))?|((top|center|bottom)\s*(left|center|right)?)|((left|center|right)\s*(top|center|bottom)?)|inherit',
    'background-position': r'({percentage}|{length}|left|center|right)(\s*({percentage}|{length}|top|center|bottom))?|((top|center|bottom)\s*(left|center|right)?)|((left|center|right)\s*(top|center|bottom)?)|inherit',
    'background-repeat': r'repeat|repeat-x|repeat-y|no-repeat|inherit',
    'background-attachment': r'scroll|fixed|inherit',
    'shape': r'rect\(({w}({length}|auto}){w},){3}{w}({length}|auto){w}\)',
    'counter': r'counter\({w}{ident}{w}(?:,{w}{list-style-type}{w})?\)',
    'identifier': r'{ident}',
    'family-name': r'{string}|{ident}({w}{ident})*',
    'generic-family': r'serif|sans-serif|cursive|fantasy|monospace',
    'absolute-size': r'(x?x-)?(small|large)|medium',
    'relative-size': r'smaller|larger',

    #[[ <family-name> | <generic-family> ] [, <family-name>| <generic-family>]* ] | inherit
    #'font-family': r'(({family-name}|{generic-family})({w},{w}({family-name}|{generic-family}))*)|inherit',
    # EXTREMELY SLOW REGEX
    #'font-family': r'({family-name}({w},{w}{family-name})*)|inherit',

    'font-size': r'{absolute-size}|{relative-size}|{positivelength}|{percentage}|inherit',
    'font-style': r'normal|italic|oblique|inherit',
    'font-variant': r'normal|small-caps|inherit',
    'font-weight': r'normal|bold|bolder|lighter|[1-9]00|inherit',
    'line-height': r'normal|{number}|{length}|{percentage}|inherit',
    'list-style-image': r'{uri}|none|inherit',
    'list-style-position': r'inside|outside|inherit',
    'list-style-type': r'disc|circle|square|decimal|decimal-leading-zero|lower-roman|upper-roman|lower-greek|lower-(latin|alpha)|upper-(latin|alpha)|armenian|georgian|none|inherit',
    'margin-width': r'{length}|{percentage}|auto',
    'padding-width': r'{length}|{percentage}',
    'specific-voice': r'{ident}',
    'generic-voice': r'male|female|child',
    'content': r'{string}|{uri}|{counter}|attr\({w}{ident}{w}\)|open-quote|close-quote|no-open-quote|no-close-quote',
    'background-attrs': r'{background-color}|{background-image}|{background-repeat}|{background-attachment}|{background-position}',
    'list-attrs': r'{list-style-type}|{list-style-position}|{list-style-image}',
    'font-attrs': r'{font-style}|{font-variant}|{font-weight}',
    'text-attrs': r'underline|overline|line-through|blink',
    'overflow': r'visible|hidden|scroll|auto|inherit',
}

"""
Define the regular expressions for validation all CSS values
"""
properties[Profiles.CSS_LEVEL_2] = {
    'azimuth': r'{angle}|(behind\s+)?(left-side|far-left|left|center-left|center|center-right|right|far-right|right-side)(\s+behind)?|behind|leftwards|rightwards|inherit',
    'background-attachment': r'{background-attachment}',
    'background-color': r'{background-color}',
    'background-image': r'{background-image}',
    'background-position': r'{background-position}',
    'background-repeat': r'{background-repeat}',
    # Each piece should only be allowed one time
    'background': r'{background-attrs}(\s+{background-attrs})*|inherit',
    'border-collapse': r'collapse|separate|inherit',
    'border-spacing': r'{length}(\s+{length})?|inherit',
    'bottom': r'{length}|{percentage}|auto|inherit',
    'caption-side': r'top|bottom|inherit',
    'clear': r'none|left|right|both|inherit',
    'clip': r'{shape}|auto|inherit',
    'color': r'{color}|inherit',
    'content': r'none|normal|{content}(\s+{content})*|inherit',
    'counter-increment': r'({ident}(\s+{integer})?)(\s+({ident}(\s+{integer})?))*|none|inherit',
    'counter-reset': r'({ident}(\s+{integer})?)(\s+({ident}(\s+{integer})?))*|none|inherit',
    'cue-after': r'{uri}|none|inherit',
    'cue-before': r'{uri}|none|inherit',
    'cue': r'({uri}|none|inherit){1,2}|inherit',
    #'cursor': r'((({uri}{w},{w})*)?(auto|crosshair|default|pointer|move|(e|ne|nw|n|se|sw|s|w)-resize|text|wait|help|progress))|inherit',
    'direction': r'ltr|rtl|inherit',
    'display': r'inline|block|list-item|run-in|inline-block|table|inline-table|table-row-group|table-header-group|table-footer-group|table-row|table-column-group|table-column|table-cell|table-caption|none|inherit',
    'elevation': r'{angle}|below|level|above|higher|lower|inherit',
    'empty-cells': r'show|hide|inherit',
    'float': r'left|right|none|inherit',

    # regex too slow:
    # 'font-family': r'{font-family}',
    'font-family': _fontFamilyValidator,
    '__FONT_FAMILY_SINGLE': r'{family-name}',

    'font-size': r'{font-size}',
    'font-style': r'{font-style}',
    'font-variant': r'{font-variant}',
    'font-weight': r'{font-weight}',

    # regex too slow and wrong too:
    # 'font': r'({font-attrs}\s+)*{font-size}({w}/{w}{line-height})?\s+{font-family}|caption|icon|menu|message-box|small-caption|status-bar|inherit',
    'font': _fontValidator,
    '__FONT_WITH_1_FAMILY': r'(({font-attrs}\s+)*{font-size}({w}/{w}{line-height})?\s+{family-name})|caption|icon|menu|message-box|small-caption|status-bar|inherit',

    'height': r'{length}|{percentage}|auto|inherit',
    'left': r'{length}|{percentage}|auto|inherit',
    'letter-spacing': r'normal|{length}|inherit',
    'line-height': r'{line-height}',
    'list-style-image': r'{list-style-image}',
    'list-style-position': r'{list-style-position}',
    'list-style-type': r'{list-style-type}',
    'list-style': r'{list-attrs}(\s+{list-attrs})*|inherit',
    'margin-right': r'{margin-width}|inherit',
    'margin-left': r'{margin-width}|inherit',
    'margin-top': r'{margin-width}|inherit',
    'margin-bottom': r'{margin-width}|inherit',
    'margin': r'{margin-width}(\s+{margin-width}){0,3}|inherit',
    'max-height': r'{length}|{percentage}|none|inherit',
    'max-width': r'{length}|{percentage}|none|inherit',
    'min-height': r'{length}|{percentage}|none|inherit',
    'min-width': r'{length}|{percentage}|none|inherit',
    'orphans': r'{integer}|inherit',
    'overflow': r'{overflow}',
    'padding-top': r'{padding-width}|inherit',
    'padding-right': r'{padding-width}|inherit',
    'padding-bottom': r'{padding-width}|inherit',
    'padding-left': r'{padding-width}|inherit',
    'padding': r'{padding-width}(\s+{padding-width}){0,3}|inherit',
    'page-break-after': r'auto|always|avoid|left|right|inherit',
    'page-break-before': r'auto|always|avoid|left|right|inherit',
    'page-break-inside': r'avoid|auto|inherit',
    'pause-after': r'{time}|{percentage}|inherit',
    'pause-before': r'{time}|{percentage}|inherit',
    'pause': r'({time}|{percentage}){1,2}|inherit',
    'pitch-range': r'{number}|inherit',
    'pitch': r'{frequency}|x-low|low|medium|high|x-high|inherit',
    'play-during': r'{uri}(\s+(mix|repeat))*|auto|none|inherit',
    'position': r'static|relative|absolute|fixed|inherit',
    'quotes': r'({string}\s+{string})(\s+{string}\s+{string})*|none|inherit',
    'richness': r'{number}|inherit',
    'right': r'{length}|{percentage}|auto|inherit',
    'speak-header': r'once|always|inherit',
    'speak-numeral': r'digits|continuous|inherit',
    'speak-punctuation': r'code|none|inherit',
    'speak': r'normal|none|spell-out|inherit',
    'speech-rate': r'{number}|x-slow|slow|medium|fast|x-fast|faster|slower|inherit',
    'stress': r'{number}|inherit',
    'table-layout': r'auto|fixed|inherit',
    'text-align': r'left|right|center|justify|inherit',
    'text-decoration': r'none|{text-attrs}(\s+{text-attrs})*|inherit',
    'text-indent': r'{length}|{percentage}|inherit',
    'text-transform': r'capitalize|uppercase|lowercase|none|inherit',
    'top': r'{length}|{percentage}|auto|inherit',
    'unicode-bidi': r'normal|embed|bidi-override|inherit',
    'vertical-align': r'baseline|sub|super|top|text-top|middle|bottom|text-bottom|{percentage}|{length}|inherit',
    'visibility': r'visible|hidden|collapse|inherit',
    'voice-family': r'({specific-voice}|{generic-voice}{w},{w})*({specific-voice}|{generic-voice})|inherit',
    'volume': r'{number}|{percentage}|silent|x-soft|soft|medium|loud|x-loud|inherit',
    'white-space': r'normal|pre|nowrap|pre-wrap|pre-line|inherit',
    'widows': r'{integer}|inherit',
    'width': r'{length}|{percentage}|auto|inherit',
    'word-spacing': r'normal|{length}|inherit',
    'z-index': r'auto|{integer}|inherit',
}


macros[Profiles.CSS3_BACKGROUNDS_AND_BORDERS] = {
    'border-style': 'none|hidden|dotted|dashed|solid|double|groove|ridge|inset|outset',
    'border-width': '{length}|thin|medium|thick',
    'b1': r'{border-width}?({w}{border-style})?({w}{color})?',
    'b2': r'{border-width}?({w}{color})?({w}{border-style})?',
    'b3': r'{border-style}?({w}{border-width})?({w}{color})?',
    'b4': r'{border-style}?({w}{color})?({w}{border-width})?',
    'b5': r'{color}?({w}{border-style})?({w}{border-width})?',
    'b6': r'{color}?({w}{border-width})?({w}{border-style})?',
    'border-attrs': r'{b1}|{b2}|{b3}|{b4}|{b5}|{b6}',
    'border-radius-part': '({length}|{percentage})(\s+({length}|{percentage}))?'
    }
properties[Profiles.CSS3_BACKGROUNDS_AND_BORDERS] = {
    'border-color': r'({color}|transparent)(\s+({color}|transparent)){0,3}|inherit',
    'border-style': r'{border-style}(\s+{border-style}){0,3}|inherit',
    'border-top': r'{border-attrs}|inherit',
    'border-right': r'{border-attrs}|inherit',
    'border-bottom': r'{border-attrs}|inherit',
    'border-left': r'{border-attrs}|inherit',
    'border-top-color': r'{color}|transparent|inherit',
    'border-right-color': r'{color}|transparent|inherit',
    'border-bottom-color': r'{color}|transparent|inherit',
    'border-left-color': r'{color}|transparent|inherit',
    'border-top-style': r'{border-style}|inherit',
    'border-right-style': r'{border-style}|inherit',
    'border-bottom-style': r'{border-style}|inherit',
    'border-left-style': r'{border-style}|inherit',
    'border-top-width': r'{border-width}|inherit',
    'border-right-width': r'{border-width}|inherit',
    'border-bottom-width': r'{border-width}|inherit',
    'border-left-width': r'{border-width}|inherit',
    'border-width': r'{border-width}(\s+{border-width}){0,3}|inherit',
    'border': r'{border-attrs}|inherit',
    'border-top-right-radius': '{border-radius-part}',
    'border-bottom-right-radius': '{border-radius-part}',
    'border-bottom-left-radius': '{border-radius-part}',
    'border-top-left-radius': '{border-radius-part}',
    'border-radius': '({length}{w}|{percentage}{w}){1,4}(/{w}({length}{w}|{percentage}{w}){1,4})?',
    'box-shadow': 'none|{shadow}({w},{w}{shadow})*',
    }

# CSS3 Basic User Interface Module
macros[Profiles.CSS3_BASIC_USER_INTERFACE] = {
    'border-style': macros[Profiles.CSS3_BACKGROUNDS_AND_BORDERS]['border-style'],
    'border-width': macros[Profiles.CSS3_BACKGROUNDS_AND_BORDERS]['border-width'],
    'outline-1': r'{outline-color}(\s+{outline-style})?(\s+{outline-width})?',
    'outline-2': r'{outline-color}(\s+{outline-width})?(\s+{outline-style})?',
    'outline-3': r'{outline-style}(\s+{outline-color})?(\s+{outline-width})?',
    'outline-4': r'{outline-style}(\s+{outline-width})?(\s+{outline-color})?',
    'outline-5': r'{outline-width}(\s+{outline-color})?(\s+{outline-style})?',
    'outline-6': r'{outline-width}(\s+{outline-style})?(\s+{outline-color})?',
    'outline-color': r'{color}|invert|inherit',
    'outline-style': r'auto|{border-style}|inherit',
    'outline-width': r'{border-width}|inherit',
    }
properties[Profiles.CSS3_BASIC_USER_INTERFACE] = {
    'box-sizing': r'content-box|border-box',
    'cursor': r'((({uri}{w}({number}{w}{number}{w})?,{w})*)?(auto|default|none|context-menu|help|pointer|progress|wait|cell|crosshair|text|vertical-text|alias|copy|move|no-drop|not-allowed|(e|n|ne|nw|s|se|sw|w|ew|ns|nesw|nwse|col|row)-resize|all-scroll))|inherit',
    'nav-index': r'auto|{number}|inherit',
    'outline-color': r'{outline-color}',
    'outline-style': r'{outline-style}',
    'outline-width': r'{outline-width}',
    'outline-offset': r'{length}|inherit',
    #'outline': r'{outline-attrs}(\s+{outline-attrs})*|inherit',
    'outline': r'{outline-1}|{outline-2}|{outline-3}|{outline-4}|{outline-5}|{outline-6}|inherit',
    'resize': 'none|both|horizontal|vertical|inherit',
    }

# CSS Box Module Level 3
macros[Profiles.CSS3_BOX] = {
    'overflow': macros[Profiles.CSS_LEVEL_2]['overflow']
    }
properties[Profiles.CSS3_BOX] = {
    'overflow': '{overflow}{w}{overflow}?|inherit',
    'overflow-x': '{overflow}|inherit',
    'overflow-y': '{overflow}|inherit'
    }

# CSS Color Module Level 3
macros[Profiles.CSS3_COLOR] = {
    # orange and transparent in CSS 2.1
    'namedcolor': r'(currentcolor|transparent|aqua|black|blue|fuchsia|gray|green|lime|maroon|navy|olive|orange|purple|red|silver|teal|white|yellow)',
                    # orange?
    'rgbacolor': r'rgba\({w}{int}{w}\,{w}{int}{w}\,{w}{int}{w}\,{w}{num}{w}\)|rgba\({w}{num}%{w}\,{w}{num}%{w}\,{w}{num}%{w}\,{w}{num}{w}\)',
    'hslcolor': r'hsl\({w}{int}{w}\,{w}{num}%{w}\,{w}{num}%{w}\)|hsla\({w}{int}{w}\,{w}{num}%{w}\,{w}{num}%{w}\,{w}{num}{w}\)',
    'x11color': r'aliceblue|antiquewhite|aqua|aquamarine|azure|beige|bisque|black|blanchedalmond|blue|blueviolet|brown|burlywood|cadetblue|chartreuse|chocolate|coral|cornflowerblue|cornsilk|crimson|cyan|darkblue|darkcyan|darkgoldenrod|darkgray|darkgreen|darkgrey|darkkhaki|darkmagenta|darkolivegreen|darkorange|darkorchid|darkred|darksalmon|darkseagreen|darkslateblue|darkslategray|darkslategrey|darkturquoise|darkviolet|deeppink|deepskyblue|dimgray|dimgrey|dodgerblue|firebrick|floralwhite|forestgreen|fuchsia|gainsboro|ghostwhite|gold|goldenrod|gray|green|greenyellow|grey|honeydew|hotpink|indianred|indigo|ivory|khaki|lavender|lavenderblush|lawngreen|lemonchiffon|lightblue|lightcoral|lightcyan|lightgoldenrodyellow|lightgray|lightgreen|lightgrey|lightpink|lightsalmon|lightseagreen|lightskyblue|lightslategray|lightslategrey|lightsteelblue|lightyellow|lime|limegreen|linen|magenta|maroon|mediumaquamarine|mediumblue|mediumorchid|mediumpurple|mediumseagreen|mediumslateblue|mediumspringgreen|mediumturquoise|mediumvioletred|midnightblue|mintcream|mistyrose|moccasin|navajowhite|navy|oldlace|olive|olivedrab|orange|orangered|orchid|palegoldenrod|palegreen|paleturquoise|palevioletred|papayawhip|peachpuff|peru|pink|plum|powderblue|purple|red|rosybrown|royalblue|saddlebrown|salmon|sandybrown|seagreen|seashell|sienna|silver|skyblue|slateblue|slategray|slategrey|snow|springgreen|steelblue|tan|teal|thistle|tomato|turquoise|violet|wheat|white|whitesmoke|yellow|yellowgreen',
    'uicolor': r'(ActiveBorder|ActiveCaption|AppWorkspace|Background|ButtonFace|ButtonHighlight|ButtonShadow|ButtonText|CaptionText|GrayText|Highlight|HighlightText|InactiveBorder|InactiveCaption|InactiveCaptionText|InfoBackground|InfoText|Menu|MenuText|Scrollbar|ThreeDDarkShadow|ThreeDFace|ThreeDHighlight|ThreeDLightShadow|ThreeDShadow|Window|WindowFrame|WindowText)',
    'color': r'{namedcolor}|{hexcolor}|{rgbcolor}|{rgbacolor}|{hslcolor}|{x11color}|inherit',
    }
properties[Profiles.CSS3_COLOR] = {
    'opacity': r'{num}|inherit',
    }

# CSS Fonts Module Level 3 http://www.w3.org/TR/css3-fonts/
macros[Profiles.CSS3_FONTS] = {
    #'family-name': r'{string}|{ident}',
    'family-name': r'{string}|{ident}({w}{ident})*',
    'font-face-name': 'local\({w}{family-name}{w}\)',
    'font-stretch-names': r'(ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded)',
    'unicode-range': r'[uU]\+[0-9A-Fa-f?]{1,6}(\-[0-9A-Fa-f]{1,6})?'
    }
properties[Profiles.CSS3_FONTS] = {
    'font-size-adjust': r'{number}|none|inherit',
    'font-stretch': r'normal|wider|narrower|{font-stretch-names}|inherit'
    }
properties[Profiles.CSS3_FONT_FACE] = {
    'font-family': '{family-name}',
    'font-stretch': r'{font-stretch-names}',
    'font-style': r'normal|italic|oblique',
    'font-weight': r'normal|bold|[1-9]00',
    'src': r'({uri}{w}(format\({w}{string}{w}(\,{w}{string}{w})*\))?|{font-face-name})({w},{w}({uri}{w}(format\({w}{string}{w}(\,{w}{string}{w})*\))?|{font-face-name}))*',
    'unicode-range': '{unicode-range}({w},{w}{unicode-range})*'
    }

# CSS3 Paged Media
macros[Profiles.CSS3_PAGED_MEDIA] = {
    'page-size': 'a5|a4|a3|b5|b4|letter|legal|ledger',
    'page-orientation': 'portrait|landscape',
    'page-1': '{page-size}(?:{w}{page-orientation})?',
    'page-2': '{page-orientation}(?:{w}{page-size})?',
    'page-size-orientation': '{page-1}|{page-2}',
    'pagebreak': 'auto|always|avoid|left|right'
    }
properties[Profiles.CSS3_PAGED_MEDIA] = {
    'fit': 'fill|hidden|meet|slice',
    'fit-position': r'auto|(({percentage}|{length})(\s*({percentage}|{length}))?|((top|center|bottom)\s*(left|center|right)?)|((left|center|right)\s*(top|center|bottom)?))',
    'image-orientation': 'auto|{angle}',
    'orphans': r'{integer}|inherit',
    'page': 'auto|{ident}',
    'page-break-before': '{pagebreak}|inherit',
    'page-break-after': '{pagebreak}|inherit',
    'page-break-inside': 'auto|avoid|inherit',
    'size': '({length}{w}){1,2}|auto|{page-size-orientation}',
    'widows': r'{integer}|inherit'
    }

macros[Profiles.CSS3_TEXT] = {
    }
properties[Profiles.CSS3_TEXT] = {
    'text-shadow': 'none|{shadow}({w},{w}{shadow})*',
    }