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