70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
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#!/usr/bin/env python3
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#
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# Script to dump a UTF-8 file as a list of numbered lines (mimicking GCC's
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# diagnostic output format), interleaved with lines per character showing
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# the Unicode codepoints, the UTF-8 encoding bytes, the name of the
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# character, and, where printable, the characters themselves.
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# The lines are printed in logical order, which may help the reader to grok
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# the relationship between visual and logical ordering in bi-di files.
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#
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# SPDX-License-Identifier: MIT
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#
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# Copyright (C) 2021 David Malcolm <dmalcolm@redhat.com>.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
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# OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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# OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import sys
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import unicodedata
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def get_name(ch):
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try:
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return unicodedata.name(ch)
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except ValueError:
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if ch == '\n':
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return 'LINE FEED (LF)'
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return '(unknown)'
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def get_printable(ch):
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cat = unicodedata.category(ch)
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if cat == 'Cc':
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return '(control character)'
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elif cat == 'Cf':
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return '(format control)'
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elif cat[0] == 'Z':
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return '(separator)'
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return ch
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def dump_file(f_in):
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line_num = 1
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for line in f_in:
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print('%4i | %s' % (line_num, line.rstrip()))
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for ch in line:
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utf8_desc = '%15s' % (' '.join(['0x%02x' % b
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for b in ch.encode('utf-8')]))
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print('%4s | U+%04X %s %40s %s'
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% ('', ord(ch), utf8_desc, get_name(ch), get_printable(ch)))
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line_num += 1
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with open(sys.argv[1], mode='r') as f_in:
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dump_file(f_in)
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