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+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.textfmts
+ ~~~~~~~~~~~~~~~~~~~~~~~~
+
+ Lexers for various text formats.
+
+ :copyright: Copyright 2006-2014 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)(\s+)(".*")$',
+ bygroups(Name.Variable, Text, String)),
+ (r'^(msgstr\[)(\d)(\])(\s+)(".*")$',
+ bygroups(Name.Variable, Number.Integer, Name.Variable, Text, String)),
+ ]
+ }
+
+
+class HttpLexer(RegexLexer):
+ """
+ Lexer for HTTP sessions.
+
+ .. versionadded:: 1.5
+ """
+
+ name = 'HTTP'
+ aliases = ['http']
+
+ flags = re.DOTALL
+
+ def header_callback(self, match):
+ if match.group(1).lower() == 'content-type':
+ content_type = match.group(5).strip()
+ if ';' in content_type:
+ content_type = content_type[:content_type.find(';')].strip()
+ self.content_type = content_type
+ yield match.start(1), Name.Attribute, match.group(1)
+ yield match.start(2), Text, match.group(2)
+ yield match.start(3), Operator, match.group(3)
+ yield match.start(4), Text, match.group(4)
+ yield match.start(5), Literal, match.group(5)
+ yield match.start(6), Text, match.group(6)
+
+ def continuous_header_callback(self, match):
+ yield match.start(1), Text, match.group(1)
+ yield match.start(2), Literal, match.group(2)
+ yield match.start(3), Text, match.group(3)
+
+ def content_callback(self, match):
+ content_type = getattr(self, 'content_type', None)
+ content = match.group()
+ offset = match.start()
+ if content_type:
+ from pygments.lexers import get_lexer_for_mimetype
+ try:
+ lexer = get_lexer_for_mimetype(content_type)
+ except ClassNotFound:
+ pass
+ else:
+ for idx, token, value in lexer.get_tokens_unprocessed(content):
+ yield offset + idx, token, value
+ return
+ yield offset, Text, content
+
+ tokens = {
+ 'root': [
+ (r'(GET|POST|PUT|DELETE|HEAD|OPTIONS|TRACE|PATCH)( +)([^ ]+)( +)'
+ r'(HTTP)(/)(1\.[01])(\r?\n|$)',
+ bygroups(Name.Function, Text, Name.Namespace, Text,
+ Keyword.Reserved, Operator, Number, Text),
+ 'headers'),
+ (r'(HTTP)(/)(1\.[01])( +)(\d{3})( +)([^\r\n]+)(\r?\n|$)',
+ bygroups(Keyword.Reserved, Operator, Number, Text, Number,
+ Text, Name.Exception, Text),
+ 'headers'),
+ ],
+ 'headers': [
+ (r'([^\s:]+)( *)(:)( *)([^\r\n]+)(\r?\n|$)', header_callback),
+ (r'([\t ]+)([^\r\n]+)(\r?\n|$)', continuous_header_callback),
+ (r'\r?\n', Text, 'content')
+ ],
+ 'content': [
+ (r'.+', content_callback)
+ ]
+ }
+
+
+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),
+ ],
+ }