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# -*- coding: utf-8 -*-
"""
pygments.lexers.text
~~~~~~~~~~~~~~~~~~~
Lexers for non-source code file types: Diff, Makefiles, Ini configs etc.
:copyright: 2006 by Armin Ronacher, Georg Brandl.
:license: GNU LGPL, see LICENSE for more details.
"""
import re
from pygments.lexer import RegexLexer, bygroups, include
from pygments.token import \
Text, Comment, Keyword, Name, String, Generic, Operator, Number
__all__ = ['IniLexer', 'MakefileLexer', 'DiffLexer', 'IrcLogsLexer',
'TexLexer']
class IniLexer(RegexLexer):
name = 'INI'
aliases = ['ini', 'cfg']
filenames = ['*.ini', '*.cfg']
tokens = {
'root': [
(r'\s+', Text),
(r';.*?$', Comment),
(r'\[.*?\]$', Keyword),
(r'(.*?)(\s*)(=)(\s*)(.*?)$',
bygroups(Name.Attribute, Text, Operator, Text, String))
]
}
class MakefileLexer(RegexLexer):
name = 'Makefile'
aliases = ['make', 'makefile', 'mf']
filenames = ['*.mak', 'Makefile', 'makefile']
tokens = {
'root': [
(r'\s+', Text),
(r'#.*?\n', Comment),
(r'(cmdswitches|error|message|include|if|ifdef|ifndef|else|'
r'else\s*if|else\s*ifdef|else\s*ifndef|endif|undef)\b', Keyword),
(r'([a-zA-Z_][a-zA-Z0-9_]*)(\s*)(=)(\s*)',
bygroups(Name.Variable, Text, Operator, Text), 'var'),
(r'"(\\\\|\\"|[^"])*"', String.Double),
(r"'(\\\\|\\'|[^'])*'", String.Single),
(r'([^\n:]+)(:)([ \t]*)', bygroups(Name.Function, Operator, Text),
'block-header')
],
'var': [
(r'\\\n', String),
(r'\n', Text, '#pop'),
(r'\\', String),
(r'[^\\\n]+', String),
],
'block-header': [
(r'[^,\n]', String),
(r',', Text),
(r'\n[\t ]+', Text, 'block'),
(r'\n', Text, '#pop')
],
'block': [
(r'#.*?(?=\n)', Comment),
(r'\n[\t ]+', Text),
(r'[^\n$]+', String),
(r'\$[A-Za-z0-9_]+', String.Interpol),
(r'\$\(.*?\)', String.Interpol),
(r'\$', String),
(r'\n', Text, '#pop:2'),
]
}
class DiffLexer(RegexLexer):
name = 'Diff'
aliases = ['diff']
filenames = ['*.diff', '*.patch']
tokens = {
'root': [
(r' .*\n', Text),
(r'\+.*\n', Generic.Inserted),
(r'-.*\n', Generic.Deleted),
(r'!.*\n', Generic.Strong),
(r'@.*\n', Generic.Subheading),
(r'Index.*\n', Generic.Heading),
(r'=.*\n', Generic.Heading),
(r'.*\n', Text),
]
}
class IrcLogsLexer(RegexLexer):
name = 'IRC logs'
aliases = ['irc']
flags = re.VERBOSE | re.MULTILINE
timestamp = r"""
( (?: \[|\()? # Opening bracket or paren for the timestamp
(?: # Timestamp
(?: (?:\d{1,4} [-/]?)+ # Date as - or /-separated groups of digits
[T ])? # Date/time separator: T or space
(?: \d?\d [:.]?)+ # Time as :/.-separated groups of 1 or 2 digits
)
(?: \]|\))?\s+ )? # Closing bracket or paren for the timestamp
"""
tokens = {
'root': [
# normal msgs
("^" + timestamp + r"""
(\s*<.*?>\s+) # Nick """,
bygroups(Comment.Preproc, Name.Tag), 'msg'),
# /me msgs
("^" + timestamp + r"""
(\s*[*]\s+) # Star
([^\s]+\s+.*?\n) # Nick + rest of message """,
bygroups(Comment.Preproc, Keyword, Generic.Inserted)),
# join/part msgs
("^" + timestamp + r"""
(\s*(?:[*]{3}|-!-)\s*) # Star(s)
([^\s]+\s+) # Nick + Space
(.*?\n) # Rest of message """,
bygroups(Comment.Preproc, Keyword, String, Comment)),
(r"^.*?\n", Text),
],
'msg': [
(r"[^\s]+:", Name.Attribute), # Prefix
(r".*?\n", Text, '#pop'),
],
}
class TexLexer(RegexLexer):
name = 'TeX'
aliases = ['tex', 'latex']
filenames = ['*.tex', '*.aux', '*.toc']
tokens = {
'general': [
(r'%.*?\n', Comment),
(r'[{}]', Name.Builtin),
(r'[&_^]', Name.Builtin),
],
'root': [
(r'\\\[', String.Backtick, 'displaymath'),
(r'\\\(', String, 'inlinemath'),
(r'\$\$', String.Backtick, 'displaymath'),
(r'\$', String, 'inlinemath'),
(r'\\([a-zA-Z]+|.)', Keyword, 'command'),
include('general'),
(r'[^\\$%&_^{}]+', Text),
],
'math': [
(r'\\([a-zA-Z]+|.)', Name.Variable),
include('general'),
(r'[0-9]+', Number),
(r'[-=!+*/()\[\]]', Operator),
(r'[^=!+*/()\[\]\\$%&_^{}0-9-]+', Name.Builtin),
],
'inlinemath': [
(r'\\\)', String, '#pop'),
(r'\$', String, '#pop'),
include('math'),
],
'displaymath': [
(r'\\\]', String, '#pop'),
(r'\$\$', String, '#pop'),
(r'\$', Name.Builtin),
include('math'),
],
'command': [
(r'\[.*?\]', Name.Attribute),
(r'\*', Keyword),
(r'', Text, '#pop'),
],
}
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