107 lines
3.2 KiB
Python
107 lines
3.2 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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pygments.lexers.diff
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~~~~~~~~~~~~~~~~~~~~
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Lexers for diff/patch formats.
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:copyright: Copyright 2006-2014 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, include, bygroups
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from pygments.token import Text, Comment, Operator, Keyword, Name, Generic, \
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Literal
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__all__ = ['DiffLexer', 'DarcsPatchLexer']
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class DiffLexer(RegexLexer):
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"""
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Lexer for unified or context-style diffs or patches.
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"""
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name = 'Diff'
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aliases = ['diff', 'udiff']
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filenames = ['*.diff', '*.patch']
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mimetypes = ['text/x-diff', 'text/x-patch']
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tokens = {
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'root': [
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(r' .*\n', Text),
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(r'\+.*\n', Generic.Inserted),
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(r'-.*\n', Generic.Deleted),
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(r'!.*\n', Generic.Strong),
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(r'@.*\n', Generic.Subheading),
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(r'([Ii]ndex|diff).*\n', Generic.Heading),
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(r'=.*\n', Generic.Heading),
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(r'.*\n', Text),
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]
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}
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def analyse_text(text):
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if text[:7] == 'Index: ':
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return True
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if text[:5] == 'diff ':
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return True
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if text[:4] == '--- ':
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return 0.9
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class DarcsPatchLexer(RegexLexer):
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"""
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DarcsPatchLexer is a lexer for the various versions of the darcs patch
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format. Examples of this format are derived by commands such as
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``darcs annotate --patch`` and ``darcs send``.
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.. versionadded:: 0.10
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"""
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name = 'Darcs Patch'
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aliases = ['dpatch']
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filenames = ['*.dpatch', '*.darcspatch']
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DPATCH_KEYWORDS = ('hunk', 'addfile', 'adddir', 'rmfile', 'rmdir', 'move',
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'replace')
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tokens = {
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'root': [
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(r'<', Operator),
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(r'>', Operator),
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(r'\{', Operator),
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(r'\}', Operator),
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(r'(\[)((?:TAG )?)(.*)(\n)(.*)(\*\*)(\d+)(\s?)(\])',
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bygroups(Operator, Keyword, Name, Text, Name, Operator,
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Literal.Date, Text, Operator)),
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(r'(\[)((?:TAG )?)(.*)(\n)(.*)(\*\*)(\d+)(\s?)',
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bygroups(Operator, Keyword, Name, Text, Name, Operator,
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Literal.Date, Text), 'comment'),
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(r'New patches:', Generic.Heading),
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(r'Context:', Generic.Heading),
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(r'Patch bundle hash:', Generic.Heading),
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(r'(\s*)(%s)(.*\n)' % '|'.join(DPATCH_KEYWORDS),
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bygroups(Text, Keyword, Text)),
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(r'\+', Generic.Inserted, "insert"),
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(r'-', Generic.Deleted, "delete"),
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(r'.*\n', Text),
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],
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'comment': [
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(r'[^\]].*\n', Comment),
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(r'\]', Operator, "#pop"),
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],
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'specialText': [ # darcs add [_CODE_] special operators for clarity
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(r'\n', Text, "#pop"), # line-based
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(r'\[_[^_]*_]', Operator),
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],
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'insert': [
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include('specialText'),
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(r'\[', Generic.Inserted),
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(r'[^\n\[]+', Generic.Inserted),
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],
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'delete': [
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include('specialText'),
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(r'\[', Generic.Deleted),
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(r'[^\n\[]+', Generic.Deleted),
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],
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}
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