37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
#
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# Ensure that all headings are below a permissible maximum (like h3).
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# If not, all heading levels will be changed to conform.
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# Note: this may create "illegal" heading levels, like h7 and beyond.
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#
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import sys
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from xml.dom import minidom, XHTML_NAMESPACE
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# determine permissible minimimum heading
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if '--min' in sys.argv:
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minhead = int(sys.argv[sys.argv.index('--min')+1])
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else:
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minhead=3
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# parse input stream
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doc = minidom.parse(sys.stdin)
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# search for headings below the permissable minimum
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first=minhead
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for i in range(1,minhead):
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if doc.getElementsByTagName('h%d' % i):
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first=i
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break
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# if found, bump all headings so that the top is the permissible minimum
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if first < minhead:
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for i in range(6,0,-1):
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for oldhead in doc.getElementsByTagName('h%d' % i):
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newhead = doc.createElementNS(XHTML_NAMESPACE, 'h%d' % (i+minhead-first))
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for child in oldhead.childNodes:
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newhead.appendChild(child)
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oldhead.parentNode.replaceChild(newhead, oldhead)
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# return (possibly modified) document
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print doc.toxml('utf-8')
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