124 lines
4.0 KiB
Python
124 lines
4.0 KiB
Python
# Copyright (C) 2002-2004 TechGame Networks, LLC.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the BSD style License as found in the
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# LICENSE file included with this distribution.
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#
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# Modified by Dirk Holtwick <holtwick@web.de>, 2007-2008
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# ruff: noqa: N802, N803, N815, N816, N999
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from __future__ import annotations
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from typing import TYPE_CHECKING, Callable, ClassVar
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from xhtml2pdf.w3c import css
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if TYPE_CHECKING:
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from typing_extensions import Self
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# ~ Definitions
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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class CSSDOMElementInterface(css.CSSElementInterfaceAbstract):
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"""An implementation of css.CSSElementInterfaceAbstract for xml.dom Element Nodes."""
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# ~ Constants / Variables / Etc.
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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style = None
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_pseudoStateHandlerLookup: ClassVar[dict[str, Callable[[Self], bool]]] = {
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"first-child": lambda self: not bool(self.getPreviousSibling()),
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"not-first-child": lambda self: bool(self.getPreviousSibling()),
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"last-child": lambda self: not bool(self.getNextSibling()),
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"not-last-child": lambda self: bool(self.getNextSibling()),
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"middle-child": lambda self: not bool(self.getPreviousSibling()) and not bool(
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self.getNextSibling()
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),
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"not-middle-child": lambda self: bool(self.getPreviousSibling()) or bool(
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self.getNextSibling()
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),
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# XXX 'first-line':
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}
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# ~ Definitions
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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def __init__(self, domElement, cssParser=None) -> None:
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self.domElement = domElement
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# print self.domElement.attributes
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if cssParser is not None:
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self.onCSSParserVisit(cssParser)
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def onCSSParserVisit(self, cssParser):
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styleSrc = self.getStyleAttr()
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if styleSrc:
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style = cssParser.parseInline(styleSrc)
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self.setInlineStyle(style)
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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def matchesNode(self, namespace_tagName):
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namespace, tagName = namespace_tagName
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if tagName not in ("*", self.domElement.tagName):
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return False
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if namespace in (None, "", "*"):
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# matches any namespace
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return True
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# full compare
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return namespace == self.domElement.namespaceURI
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def getAttr(self, name, default=NotImplemented):
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attr_value = self.domElement.attributes.get(name)
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if attr_value is not None:
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return attr_value.value
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return default
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def getIdAttr(self):
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return self.getAttr("id", "")
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def getClassAttr(self):
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return self.getAttr("class", "")
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def getStyleAttr(self):
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return self.getAttr("style", None)
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def inPseudoState(self, name, params=()):
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handler = self._pseudoStateHandlerLookup.get(name, lambda _: False)
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return handler(self)
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def iterXMLParents(self, *, includeSelf=False):
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klass = type(self)
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current = self.domElement
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if not includeSelf:
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current = current.parentNode
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while (current is not None) and (current.nodeType == current.ELEMENT_NODE):
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yield klass(current)
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current = current.parentNode
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def getPreviousSibling(self):
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sibling = self.domElement.previousSibling
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while sibling:
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if sibling.nodeType == sibling.ELEMENT_NODE:
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return sibling
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sibling = sibling.previousSibling
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return None
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def getNextSibling(self):
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sibling = self.domElement.nextSibling
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while sibling:
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if sibling.nodeType == sibling.ELEMENT_NODE:
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return sibling
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sibling = sibling.nextSibling
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return None
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def getInlineStyle(self):
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return self.style
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def setInlineStyle(self, style):
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self.style = style
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