82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
#!/usr/bin/env python
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#coding:utf-8
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# Author: mozman --<mozman@gmx.at>
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# Purpose: svg types
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# Created: 30.09.2010
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# Copyright (C) 2010, Manfred Moitzi
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# License: MIT License
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class SVGAttribute(object):
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def __init__(self, name, anim, types, const):
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self.name = name
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self._anim = anim
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self._types = types
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self._const = const
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# 'elementname' is ignored, but necessary because of the signatures of
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# the SVGMultiAttribute class methods get_...()
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def get_anim(self, elementname='*'):
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return self._anim
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def get_types(self, elementname='*'):
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return self._types
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def get_const(self, elementname='*'):
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return self._const
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class SVGMultiAttribute(object):
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# example: SVGMultiAttribute({'*':SVGAttribute(...), 'text tref':SVGAttribute(...)} )
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# parametr is a dict-like object
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# '*' is the default attribute definition
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# 'text' and 'tref' share the same attribute definition
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def __init__(self, attributes):
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self.name = None
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self._attributes = {}
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for names, attribute in attributes.items():
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for name in names.split():
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name = name.strip()
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self._attributes[name] = attribute
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if not self.name:
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self.name = attribute.name
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elif self.name != attribute.name:
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raise ValueError("Different attribute-names for SVGMultiAttribute "\
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"(%s != %s)." % (self.name, attribute.name))
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if '*' not in self._attributes and len(self._attributes):
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# if no default attribute definition were given
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# set the first attribute definition as the default attribute definition
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firstkey = sorted(self._attributes.keys())[0]
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self._attributes['*'] = self._attributes[firstkey]
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def get_attribute(self, elementname):
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if elementname in self._attributes:
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return self._attributes[elementname]
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else:
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return self._attributes['*']
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def get_anim(self, elementname='*'):
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attribute = self.get_attribute(elementname)
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return attribute.get_anim()
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def get_types(self, elementname='*'):
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attribute = self.get_attribute(elementname)
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return attribute.get_types()
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def get_const(self, elementname='*'):
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attribute = self.get_attribute(elementname)
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return attribute.get_const()
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class SVGElement(object):
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def __init__(self, name, attributes, properties, children):
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self.name = name
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s = set(attributes)
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s.update(properties)
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self.valid_attributes = frozenset(s)
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self.valid_children = frozenset(children)
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