297 lines
11 KiB
Python
297 lines
11 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
pygments.lexers.textfmts
|
|
~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Lexers for various text formats.
|
|
|
|
:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
|
|
:license: BSD, see LICENSE for details.
|
|
"""
|
|
|
|
import re
|
|
|
|
from pygments.lexer import RegexLexer, bygroups
|
|
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
|
|
Number, Generic, Literal
|
|
from pygments.util import ClassNotFound
|
|
|
|
__all__ = ['IrcLogsLexer', 'TodotxtLexer', 'HttpLexer', 'GettextLexer']
|
|
|
|
|
|
class IrcLogsLexer(RegexLexer):
|
|
"""
|
|
Lexer for IRC logs in *irssi*, *xchat* or *weechat* style.
|
|
"""
|
|
|
|
name = 'IRC logs'
|
|
aliases = ['irc']
|
|
filenames = ['*.weechatlog']
|
|
mimetypes = ['text/x-irclog']
|
|
|
|
flags = re.VERBOSE | re.MULTILINE
|
|
timestamp = r"""
|
|
(
|
|
# irssi / xchat and others
|
|
(?: \[|\()? # Opening bracket or paren for the timestamp
|
|
(?: # Timestamp
|
|
(?: (?:\d{1,4} [-/])* # Date as - or /-separated groups of digits
|
|
(?:\d{1,4})
|
|
[T ])? # Date/time separator: T or space
|
|
(?: \d?\d [:.])* # Time as :/.-separated groups of 1 or 2 digits
|
|
(?: \d?\d)
|
|
)
|
|
(?: \]|\))?\s+ # Closing bracket or paren for the timestamp
|
|
|
|
|
# weechat
|
|
\d{4}\s\w{3}\s\d{2}\s # Date
|
|
\d{2}:\d{2}:\d{2}\s+ # Time + Whitespace
|
|
|
|
|
# xchat
|
|
\w{3}\s\d{2}\s # Date
|
|
\d{2}:\d{2}:\d{2}\s+ # Time + Whitespace
|
|
)?
|
|
"""
|
|
tokens = {
|
|
'root': [
|
|
# log start/end
|
|
(r'^\*\*\*\*(.*)\*\*\*\*$', Comment),
|
|
# hack
|
|
("^" + timestamp + r'(\s*<[^>]*>\s*)$', bygroups(Comment.Preproc, Name.Tag)),
|
|
# 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}|<?-[!@=P]?->?)\s*) # Star(s) or symbols
|
|
(\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 GettextLexer(RegexLexer):
|
|
"""
|
|
Lexer for Gettext catalog files.
|
|
|
|
.. versionadded:: 0.9
|
|
"""
|
|
name = 'Gettext Catalog'
|
|
aliases = ['pot', 'po']
|
|
filenames = ['*.pot', '*.po']
|
|
mimetypes = ['application/x-gettext', 'text/x-gettext', 'text/gettext']
|
|
|
|
tokens = {
|
|
'root': [
|
|
(r'^#,\s.*?$', Keyword.Type),
|
|
(r'^#:\s.*?$', Keyword.Declaration),
|
|
# (r'^#$', Comment),
|
|
(r'^(#|#\.\s|#\|\s|#~\s|#\s).*$', Comment.Single),
|
|
(r'^(")([A-Za-z-]+:)(.*")$',
|
|
bygroups(String, Name.Property, String)),
|
|
(r'^".*"$', String),
|
|
(r'^(msgid|msgid_plural|msgstr|msgctxt)(\s+)(".*")$',
|
|
bygroups(Name.Variable, Text, String)),
|
|
(r'^(msgstr\[)(\d)(\])(\s+)(".*")$',
|
|
bygroups(Name.Variable, Number.Integer, Name.Variable, Text, String)),
|
|
]
|
|
}
|
|
|
|
|
|
class HttpLexer(RegexLexer):
|
|
"""
|
|
Lexer for HTTP sessions.
|
|
|
|
.. versionadded:: 1.5
|
|
"""
|
|
|
|
name = 'HTTP'
|
|
aliases = ['http']
|
|
|
|
flags = re.DOTALL
|
|
|
|
def get_tokens_unprocessed(self, text, stack=('root',)):
|
|
"""Reset the content-type state."""
|
|
self.content_type = None
|
|
return RegexLexer.get_tokens_unprocessed(self, text, stack)
|
|
|
|
def header_callback(self, match):
|
|
if match.group(1).lower() == 'content-type':
|
|
content_type = match.group(5).strip()
|
|
if ';' in content_type:
|
|
content_type = content_type[:content_type.find(';')].strip()
|
|
self.content_type = content_type
|
|
yield match.start(1), Name.Attribute, match.group(1)
|
|
yield match.start(2), Text, match.group(2)
|
|
yield match.start(3), Operator, match.group(3)
|
|
yield match.start(4), Text, match.group(4)
|
|
yield match.start(5), Literal, match.group(5)
|
|
yield match.start(6), Text, match.group(6)
|
|
|
|
def continuous_header_callback(self, match):
|
|
yield match.start(1), Text, match.group(1)
|
|
yield match.start(2), Literal, match.group(2)
|
|
yield match.start(3), Text, match.group(3)
|
|
|
|
def content_callback(self, match):
|
|
content_type = getattr(self, 'content_type', None)
|
|
content = match.group()
|
|
offset = match.start()
|
|
if content_type:
|
|
from pygments.lexers import get_lexer_for_mimetype
|
|
possible_lexer_mimetypes = [content_type]
|
|
if '+' in content_type:
|
|
# application/calendar+xml can be treated as application/xml
|
|
# if there's not a better match.
|
|
general_type = re.sub(r'^(.*)/.*\+(.*)$', r'\1/\2',
|
|
content_type)
|
|
possible_lexer_mimetypes.append(general_type)
|
|
|
|
for i in possible_lexer_mimetypes:
|
|
try:
|
|
lexer = get_lexer_for_mimetype(i)
|
|
except ClassNotFound:
|
|
pass
|
|
else:
|
|
for idx, token, value in lexer.get_tokens_unprocessed(content):
|
|
yield offset + idx, token, value
|
|
return
|
|
yield offset, Text, content
|
|
|
|
tokens = {
|
|
'root': [
|
|
(r'(GET|POST|PUT|DELETE|HEAD|OPTIONS|TRACE|PATCH)( +)([^ ]+)( +)'
|
|
r'(HTTP)(/)(1\.[01])(\r?\n|\Z)',
|
|
bygroups(Name.Function, Text, Name.Namespace, Text,
|
|
Keyword.Reserved, Operator, Number, Text),
|
|
'headers'),
|
|
(r'(HTTP)(/)(1\.[01])( +)(\d{3})( +)([^\r\n]+)(\r?\n|\Z)',
|
|
bygroups(Keyword.Reserved, Operator, Number, Text, Number,
|
|
Text, Name.Exception, Text),
|
|
'headers'),
|
|
],
|
|
'headers': [
|
|
(r'([^\s:]+)( *)(:)( *)([^\r\n]+)(\r?\n|\Z)', header_callback),
|
|
(r'([\t ]+)([^\r\n]+)(\r?\n|\Z)', continuous_header_callback),
|
|
(r'\r?\n', Text, 'content')
|
|
],
|
|
'content': [
|
|
(r'.+', content_callback)
|
|
]
|
|
}
|
|
|
|
def analyse_text(text):
|
|
return text.startswith(('GET /', 'POST /', 'PUT /', 'DELETE /', 'HEAD /',
|
|
'OPTIONS /', 'TRACE /', 'PATCH /'))
|
|
|
|
|
|
class TodotxtLexer(RegexLexer):
|
|
"""
|
|
Lexer for `Todo.txt <http://todotxt.com/>`_ todo list format.
|
|
|
|
.. versionadded:: 2.0
|
|
"""
|
|
|
|
name = 'Todotxt'
|
|
aliases = ['todotxt']
|
|
# *.todotxt is not a standard extension for Todo.txt files; including it
|
|
# makes testing easier, and also makes autodetecting file type easier.
|
|
filenames = ['todo.txt', '*.todotxt']
|
|
mimetypes = ['text/x-todo']
|
|
|
|
# Aliases mapping standard token types of Todo.txt format concepts
|
|
CompleteTaskText = Operator # Chosen to de-emphasize complete tasks
|
|
IncompleteTaskText = Text # Incomplete tasks should look like plain text
|
|
|
|
# Priority should have most emphasis to indicate importance of tasks
|
|
Priority = Generic.Heading
|
|
# Dates should have next most emphasis because time is important
|
|
Date = Generic.Subheading
|
|
|
|
# Project and context should have equal weight, and be in different colors
|
|
Project = Generic.Error
|
|
Context = String
|
|
|
|
# If tag functionality is added, it should have the same weight as Project
|
|
# and Context, and a different color. Generic.Traceback would work well.
|
|
|
|
# Regex patterns for building up rules; dates, priorities, projects, and
|
|
# contexts are all atomic
|
|
# TODO: Make date regex more ISO 8601 compliant
|
|
date_regex = r'\d{4,}-\d{2}-\d{2}'
|
|
priority_regex = r'\([A-Z]\)'
|
|
project_regex = r'\+\S+'
|
|
context_regex = r'@\S+'
|
|
|
|
# Compound regex expressions
|
|
complete_one_date_regex = r'(x )(' + date_regex + r')'
|
|
complete_two_date_regex = (complete_one_date_regex + r'( )(' +
|
|
date_regex + r')')
|
|
priority_date_regex = r'(' + priority_regex + r')( )(' + date_regex + r')'
|
|
|
|
tokens = {
|
|
# Should parse starting at beginning of line; each line is a task
|
|
'root': [
|
|
# Complete task entry points: two total:
|
|
# 1. Complete task with two dates
|
|
(complete_two_date_regex, bygroups(CompleteTaskText, Date,
|
|
CompleteTaskText, Date),
|
|
'complete'),
|
|
# 2. Complete task with one date
|
|
(complete_one_date_regex, bygroups(CompleteTaskText, Date),
|
|
'complete'),
|
|
|
|
# Incomplete task entry points: six total:
|
|
# 1. Priority plus date
|
|
(priority_date_regex, bygroups(Priority, IncompleteTaskText, Date),
|
|
'incomplete'),
|
|
# 2. Priority only
|
|
(priority_regex, Priority, 'incomplete'),
|
|
# 3. Leading date
|
|
(date_regex, Date, 'incomplete'),
|
|
# 4. Leading context
|
|
(context_regex, Context, 'incomplete'),
|
|
# 5. Leading project
|
|
(project_regex, Project, 'incomplete'),
|
|
# 6. Non-whitespace catch-all
|
|
('\S+', IncompleteTaskText, 'incomplete'),
|
|
],
|
|
|
|
# Parse a complete task
|
|
'complete': [
|
|
# Newline indicates end of task, should return to root
|
|
(r'\s*\n', CompleteTaskText, '#pop'),
|
|
# Tokenize contexts and projects
|
|
(context_regex, Context),
|
|
(project_regex, Project),
|
|
# Tokenize non-whitespace text
|
|
('\S+', CompleteTaskText),
|
|
# Tokenize whitespace not containing a newline
|
|
('\s+', CompleteTaskText),
|
|
],
|
|
|
|
# Parse an incomplete task
|
|
'incomplete': [
|
|
# Newline indicates end of task, should return to root
|
|
(r'\s*\n', IncompleteTaskText, '#pop'),
|
|
# Tokenize contexts and projects
|
|
(context_regex, Context),
|
|
(project_regex, Project),
|
|
# Tokenize non-whitespace text
|
|
('\S+', IncompleteTaskText),
|
|
# Tokenize whitespace not containing a newline
|
|
('\s+', IncompleteTaskText),
|
|
],
|
|
}
|