49 lines
1.6 KiB
Python
Executable File
49 lines
1.6 KiB
Python
Executable File
#!/usr/bin/python3
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#
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# Copyright 2013-2021 The Khronos Group Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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# Usage: realign [infile] > outfile
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# Used to realign XML tags in the Vulkan registry after it's operated on by
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# some other filter, since whitespace inside a tag isn't part of the
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# internal representation.
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import copy, sys, string, re
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def realignXML(fp):
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patterns = [
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[ r'(^ *\<type .*)(category=[\'"]bitmask[\'"].*)', 58 ],
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[ r'(^ *\<enum [bv].*)(name=.*)', 28 ],
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[ r'(^ *\<enum [bv].*)(comment=.*)', 85 ]
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]
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# Assemble compiled expressions to match and alignment columns
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numpat = len(patterns)
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regexp = [ re.compile(patterns[i][0]) for i in range(0,numpat)]
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column = [ patterns[i][1] for i in range(0,numpat)]
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lines = fp.readlines()
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for line in lines:
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emitted = False
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for i in range(0,len(patterns)):
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match = regexp[i].match(line)
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if (match):
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if (not emitted):
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#print('# While processing line: ' + line, end='')
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emitted = True
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#print('# matched expression: ' + patterns[i][0])
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#print('# clause 1 = ' + match.group(1))
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#print('# clause 2 = ' + match.group(2))
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line = match.group(1).ljust(column[i]) + match.group(2)
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if (emitted):
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print(line)
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else:
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print(line, end='')
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if __name__ == '__main__':
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if (len(sys.argv) > 1):
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realignXML(open(sys.argv[1], 'r', encoding='utf-8'))
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else:
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realignXML(sys.stdin)
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