96 lines
1.5 KiB
Python
96 lines
1.5 KiB
Python
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import sys
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special = {
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}
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for x in range(0,0x20): special[chr(x)] = '^' + chr(0x40 + x)
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cmap = {
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'\'': '\'',
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'\"': '\"',
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'?': '?',
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'\\': '\\',
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'a': '\a',
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'b': '\b',
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'f': '\f',
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'n': '\n',
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'r': '\r',
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't': '\t',
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'v': '\v',
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}
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argv = sys.argv[1:]
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chars = []
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for arg in argv:
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if arg == "--ctrl":
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for c in range(0,32):
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chars.append(chr(c))
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continue
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if arg == "--upper":
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for c in range(ord('A'), ord('Z')+1):
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chars.append(chr(c))
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continue
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if arg == "--lower":
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for c in range(ord('a'), ord('z')+1):
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chars.append(chr(c))
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continue
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if arg == "--digit":
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for c in range(ord('0'), ord('9')+1):
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chars.append(chr(c))
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continue
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# ^X is a control character
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if len(arg) == 2 and arg[0] == '^':
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c = chr(ord(arg[1]) & 0x1f)
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chars.append(c)
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continue
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# \X is an escaped character
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if len(arg) == 2 and arg[0] == '\\':
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c = arg[1]
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if c in cmap: chars.append(cmap[c])
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continue
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# X-Y is a range of characters.
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if len(arg) == 4 and arg[1] == '-':
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a = arg[0]
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b = arg[2]
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for c in range(ord(a),ord(b)+1):
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chars.append(chr(c))
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continue
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chars.extend(arg)
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chars = list(set(chars))
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chars.sort()
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if not chars: exit(1)
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mmin = ord(chars[0])
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mmax = ord(chars[-1])
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print(":MIN\tequ {}".format(mmin))
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print(":MAX\tequ {}".format(mmax))
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print()
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print(":table")
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for x in range(mmin, mmax+1):
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c = chr(x)
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print("\tdw $0\t; {}".format(special.get(c, c)))
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# for c in chars:
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# x = ord(c)
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# print("\tdw $0\t; {}".format(special.get(c, c)))
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