mirror of https://github.com/acidanthera/audk.git
105 lines
3.0 KiB
Python
105 lines
3.0 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2007, Intel Corporation
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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"""This is an XML API that uses a syntax similar to XPath, but it is written in
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standard python so that no extra python packages are required to use it."""
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import xml.dom.minidom
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def XmlList(Dom, String):
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"""Get a list of XML Elements using XPath style syntax."""
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if String == "" or Dom == None or not isinstance(Dom, xml.dom.Node):
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return []
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if String[0] == "/":
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String = String[1:]
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if Dom.nodeType==Dom.DOCUMENT_NODE:
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Dom = Dom.documentElement
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tagList = String.split('/')
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nodes = [Dom]
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childNodes = []
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index = 0
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end = len(tagList) - 1
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while index <= end:
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for node in nodes:
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if node.nodeType == node.ELEMENT_NODE and node.tagName == tagList[index]:
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if index < end:
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childNodes.extend(node.childNodes)
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else:
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childNodes.append(node)
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nodes = childNodes
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childNodes = []
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index += 1
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return nodes
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def XmlElement (Dom, String):
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"""Return a single element that matches the String which is XPath style syntax."""
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if String == "" or Dom == None or not isinstance(Dom, xml.dom.Node):
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return ""
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if String[0] == "/":
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String = String[1:]
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if Dom.nodeType==Dom.DOCUMENT_NODE:
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Dom = Dom.documentElement
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tagList = String.split('/')
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childNodes = [Dom]
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index = 0
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end = len(tagList) - 1
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while index <= end:
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for node in childNodes:
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if node.nodeType == node.ELEMENT_NODE and node.tagName == tagList[index]:
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if index < end:
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childNodes = node.childNodes
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else:
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return node
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break
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index += 1
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return ""
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def XmlElementData (Dom):
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"""Get the text for this element."""
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if Dom == None or Dom == '' or Dom.firstChild == None:
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return ''
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return Dom.firstChild.data.strip(' ')
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def XmlAttribute (Dom, String):
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"""Return a single attribute that named by String."""
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if Dom == None or Dom == '':
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return ''
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try:
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return Dom.getAttribute(String).strip(' ')
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except:
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return ''
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def XmlTopTag(Dom):
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"""Return the name of the Root or top tag in the XML tree."""
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if Dom == None or Dom == '' or Dom.firstChild == None:
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return ''
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return Dom.firstChild.nodeName
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# This acts like the main() function for the script, unless it is 'import'ed into another
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# script.
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if __name__ == '__main__':
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# Nothing to do here. Could do some unit tests.
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pass
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