66 lines
2.1 KiB
Python
Executable File
66 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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import json
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import html.entities
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# These are undefined. We still populate the dec, oct, hex, and bin though.
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unused = (129, 141, 143, 144, 157)
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# These are whitespace and delete (control characters unnecessary to put here).
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noprint = (32, 127, 160, 173)
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# These need to be escaped in the generated AsciiDoc format.
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# escapechars = ('|', '\\')
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escapechars = ('|', )
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tpl = '| {d}\n| {o}\n| {h}\n| {b}\n| {ht}\n| {e}\n| {l}\n| {desc}\n'
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charsets = {'ctrl': (0, 31),
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'print': (32, 127),
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'extend': (128, 255)}
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with open('_meta.json', 'r') as fh:
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meta = json.loads(fh.read())
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for f, r in charsets.items():
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fname = '{0}.adoc'.format(f)
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lines = []
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# range()'s second param is the *stop* value, so we kick it up by one to get the last.
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for n in range(r[0], (r[1] + 1)):
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charmeta = meta.get(str(n), {})
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vals = {'d': n,
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'o': '{0:0>3}'.format(oct(n).lstrip('0o')),
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'h': '{0:0>2}'.format(hex(n).lstrip('0x')),
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'b': '{0:0>8}'.format(bin(n).lstrip('0b')),
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'ht': '&#{0:0>3};'.format(n),
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'e': html.entities.codepoint2name.get(n),
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'l': None, # We define this below.
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'desc': charmeta.get('desc')}
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# Clean up the html escape
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if not vals['e']:
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vals['e'] = 'N/A'
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else:
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vals['e'] = '&{0};'.format(vals['e'])
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# Try to get a printable character; if not, use the HTML number.
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if f == 'ctrl':
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vals['l'] = '_{0}_'.format(charmeta.get('sym', 'N/A'))
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elif n in noprint:
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vals['l'] = 'N/A'
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else:
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if n in unused:
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vals['l'] = 'N/A'
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else:
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c = chr(n)
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try:
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c.encode('ascii')
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except UnicodeEncodeError as e:
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c = '&#{0:0>3};'.format(n)
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if c in escapechars:
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c = '\\{0}'.format(c)
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vals['l'] = c
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lines.append(tpl.format(**vals))
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with open(fname, 'w') as fh:
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fh.write('\n'.join(lines))
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