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104 lines
3.4 KiB
104 lines
3.4 KiB
4 days ago
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# -*- coding: utf-8 -*-
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"""
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pygments.lexers.hexdump
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~~~~~~~~~~~~~~~~~~~~~~~
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Lexers for hexadecimal dumps.
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:copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, bygroups, include
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from pygments.token import Text, Name, Number, String, Punctuation
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__all__ = ['HexdumpLexer']
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class HexdumpLexer(RegexLexer):
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"""
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For typical hex dump output formats by the UNIX and GNU/Linux tools ``hexdump``,
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``hd``, ``hexcat``, ``od`` and ``xxd``, and the DOS tool ``DEBUG``. For example:
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.. sourcecode:: hexdump
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00000000 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 |.ELF............|
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00000010 02 00 3e 00 01 00 00 00 c5 48 40 00 00 00 00 00 |..>......H@.....|
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The specific supported formats are the outputs of:
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* ``hexdump FILE``
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* ``hexdump -C FILE`` -- the `canonical` format used in the example.
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* ``hd FILE`` -- same as ``hexdump -C FILE``.
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* ``hexcat FILE``
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* ``od -t x1z FILE``
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* ``xxd FILE``
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* ``DEBUG.EXE FILE.COM`` and entering ``d`` to the prompt.
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.. versionadded:: 2.1
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"""
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name = 'Hexdump'
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aliases = ['hexdump']
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hd = r'[0-9A-Ha-h]'
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tokens = {
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'root': [
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(r'\n', Text),
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include('offset'),
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(r'('+hd+r'{2})(\-)('+hd+r'{2})',
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bygroups(Number.Hex, Punctuation, Number.Hex)),
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(hd+r'{2}', Number.Hex),
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(r'(\s{2,3})(\>)(.{16})(\<)$',
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bygroups(Text, Punctuation, String, Punctuation), 'bracket-strings'),
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(r'(\s{2,3})(\|)(.{16})(\|)$',
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bygroups(Text, Punctuation, String, Punctuation), 'piped-strings'),
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(r'(\s{2,3})(\>)(.{1,15})(\<)$',
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bygroups(Text, Punctuation, String, Punctuation)),
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(r'(\s{2,3})(\|)(.{1,15})(\|)$',
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bygroups(Text, Punctuation, String, Punctuation)),
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(r'(\s{2,3})(.{1,15})$', bygroups(Text, String)),
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(r'(\s{2,3})(.{16}|.{20})$', bygroups(Text, String), 'nonpiped-strings'),
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(r'\s', Text),
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(r'^\*', Punctuation),
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],
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'offset': [
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(r'^('+hd+'+)(:)', bygroups(Name.Label, Punctuation), 'offset-mode'),
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(r'^'+hd+'+', Name.Label),
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],
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'offset-mode': [
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(r'\s', Text, '#pop'),
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(hd+'+', Name.Label),
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(r':', Punctuation)
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],
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'piped-strings': [
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(r'\n', Text),
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include('offset'),
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(hd+r'{2}', Number.Hex),
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(r'(\s{2,3})(\|)(.{1,16})(\|)$',
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bygroups(Text, Punctuation, String, Punctuation)),
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(r'\s', Text),
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(r'^\*', Punctuation),
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],
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'bracket-strings': [
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(r'\n', Text),
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include('offset'),
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(hd+r'{2}', Number.Hex),
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(r'(\s{2,3})(\>)(.{1,16})(\<)$',
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bygroups(Text, Punctuation, String, Punctuation)),
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(r'\s', Text),
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(r'^\*', Punctuation),
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],
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'nonpiped-strings': [
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(r'\n', Text),
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include('offset'),
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(r'('+hd+r'{2})(\-)('+hd+r'{2})',
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bygroups(Number.Hex, Punctuation, Number.Hex)),
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(hd+r'{2}', Number.Hex),
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(r'(\s{19,})(.{1,20}?)$', bygroups(Text, String)),
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(r'(\s{2,3})(.{1,20})$', bygroups(Text, String)),
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(r'\s', Text),
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(r'^\*', Punctuation),
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],
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}
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