--- a/ThirdParty/Pygments/pygments/util.py Sat Oct 16 20:28:00 2010 +0200 +++ b/ThirdParty/Pygments/pygments/util.py Wed Oct 20 08:39:56 2010 +0200 @@ -1,222 +1,226 @@ -# -*- coding: utf-8 -*- -""" - pygments.util - ~~~~~~~~~~~~~ - - Utility functions. - - :copyright: Copyright 2006-2009 by the Pygments team, see AUTHORS. - :license: BSD, see LICENSE for details. -""" -import re -import sys - - -split_path_re = re.compile(r'[/\\ ]') -doctype_lookup_re = re.compile(r'''(?smx) - (<\?.*?\?>)?\s* - <!DOCTYPE\s+( - [a-zA-Z_][a-zA-Z0-9]*\s+ - [a-zA-Z_][a-zA-Z0-9]*\s+ - "[^"]*") - [^>]*> -''') -tag_re = re.compile(r'<(.+?)(\s.*?)?>.*?</.+?>(?uism)') - - -class ClassNotFound(ValueError): - """ - If one of the get_*_by_* functions didn't find a matching class. - """ - - -class OptionError(Exception): - pass - - -def get_choice_opt(options, optname, allowed, default=None, normcase=False): - string = options.get(optname, default) - if normcase: - string = string.lower() - if string not in allowed: - raise OptionError('Value for option %s must be one of %s' % - (optname, ', '.join(map(str, allowed)))) - return string - - -def get_bool_opt(options, optname, default=None): - string = options.get(optname, default) - if isinstance(string, bool): - return string - elif isinstance(string, int): - return bool(string) - elif not isinstance(string, str): - raise OptionError('Invalid type %r for option %s; use ' - '1/0, yes/no, true/false, on/off' % ( - string, optname)) - elif string.lower() in ('1', 'yes', 'true', 'on'): - return True - elif string.lower() in ('0', 'no', 'false', 'off'): - return False - else: - raise OptionError('Invalid value %r for option %s; use ' - '1/0, yes/no, true/false, on/off' % ( - string, optname)) - - -def get_int_opt(options, optname, default=None): - string = options.get(optname, default) - try: - return int(string) - except TypeError: - raise OptionError('Invalid type %r for option %s; you ' - 'must give an integer value' % ( - string, optname)) - except ValueError: - raise OptionError('Invalid value %r for option %s; you ' - 'must give an integer value' % ( - string, optname)) - - -def get_list_opt(options, optname, default=None): - val = options.get(optname, default) - if isinstance(val, str): - return val.split() - elif isinstance(val, (list, tuple)): - return list(val) - else: - raise OptionError('Invalid type %r for option %s; you ' - 'must give a list value' % ( - val, optname)) - - -def docstring_headline(obj): - if not obj.__doc__: - return '' - res = [] - for line in obj.__doc__.strip().splitlines(): - if line.strip(): - res.append(" " + line.strip()) - else: - break - return ''.join(res).lstrip() - - -def make_analysator(f): - """ - Return a static text analysation function that - returns float values. - """ - def text_analyse(text): - rv = f(text) - if not rv: - return 0.0 - return min(1.0, max(0.0, float(rv))) - text_analyse.__doc__ = f.__doc__ - return staticmethod(text_analyse) - - -def shebang_matches(text, regex): - """ - Check if the given regular expression matches the last part of the - shebang if one exists. - - >>> from pygments.util import shebang_matches - >>> shebang_matches('#!/usr/bin/env python', r'python(2\.\d)?') - True - >>> shebang_matches('#!/usr/bin/python2.4', r'python(2\.\d)?') - True - >>> shebang_matches('#!/usr/bin/python-ruby', r'python(2\.\d)?') - False - >>> shebang_matches('#!/usr/bin/python/ruby', r'python(2\.\d)?') - False - >>> shebang_matches('#!/usr/bin/startsomethingwith python', - ... r'python(2\.\d)?') - True - - It also checks for common windows executable file extensions:: - - >>> shebang_matches('#!C:\\Python2.4\\Python.exe', r'python(2\.\d)?') - True - - Parameters (``'-f'`` or ``'--foo'`` are ignored so ``'perl'`` does - the same as ``'perl -e'``) - - Note that this method automatically searches the whole string (eg: - the regular expression is wrapped in ``'^$'``) - """ - index = text.find('\n') - if index >= 0: - first_line = text[:index].lower() - else: - first_line = text.lower() - if first_line.startswith('#!'): - try: - found = [x for x in split_path_re.split(first_line[2:].strip()) - if x and not x.startswith('-')][-1] - except IndexError: - return False - regex = re.compile('^%s(\.(exe|cmd|bat|bin))?$' % regex, re.IGNORECASE) - if regex.search(found) is not None: - return True - return False - - -def doctype_matches(text, regex): - """ - Check if the doctype matches a regular expression (if present). - Note that this method only checks the first part of a DOCTYPE. - eg: 'html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"' - """ - m = doctype_lookup_re.match(text) - if m is None: - return False - doctype = m.group(2) - return re.compile(regex).match(doctype.strip()) is not None - - -def html_doctype_matches(text): - """ - Check if the file looks like it has a html doctype. - """ - return doctype_matches(text, r'html\s+PUBLIC\s+"-//W3C//DTD X?HTML.*') - - -_looks_like_xml_cache = {} -def looks_like_xml(text): - """ - Check if a doctype exists or if we have some tags. - """ - key = hash(text) - try: - return _looks_like_xml_cache[key] - except KeyError: - m = doctype_lookup_re.match(text) - if m is not None: - return True - rv = tag_re.search(text[:1000]) is not None - _looks_like_xml_cache[key] = rv - return rv - -# Python 2/3 compatibility - -if sys.version_info < (3,0): - b = bytes = str - u_prefix = 'u' - import io, io - BytesIO = io.StringIO - StringIO = io.StringIO -else: - import builtins - bytes = builtins.bytes - u_prefix = '' - def b(s): - if isinstance(s, str): - return bytes(list(map(ord, s))) - elif isinstance(s, bytes): - return s - else: - raise TypeError("Invalid argument %r for b()" % (s,)) - import io - BytesIO = io.BytesIO - StringIO = io.StringIO +# -*- coding: utf-8 -*- +""" + pygments.util + ~~~~~~~~~~~~~ + + Utility functions. + + :copyright: Copyright 2006-2010 by the Pygments team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +import re +import sys +import codecs + + +split_path_re = re.compile(r'[/\\ ]') +doctype_lookup_re = re.compile(r'''(?smx) + (<\?.*?\?>)?\s* + <!DOCTYPE\s+( + [a-zA-Z_][a-zA-Z0-9]*\s+ + [a-zA-Z_][a-zA-Z0-9]*\s+ + "[^"]*") + [^>]*> +''') +tag_re = re.compile(r'<(.+?)(\s.*?)?>.*?</.+?>(?uism)') + + +class ClassNotFound(ValueError): + """ + If one of the get_*_by_* functions didn't find a matching class. + """ + + +class OptionError(Exception): + pass + + +def get_choice_opt(options, optname, allowed, default=None, normcase=False): + string = options.get(optname, default) + if normcase: + string = string.lower() + if string not in allowed: + raise OptionError('Value for option %s must be one of %s' % + (optname, ', '.join(map(str, allowed)))) + return string + + +def get_bool_opt(options, optname, default=None): + string = options.get(optname, default) + if isinstance(string, bool): + return string + elif isinstance(string, int): + return bool(string) + elif not isinstance(string, str): + raise OptionError('Invalid type %r for option %s; use ' + '1/0, yes/no, true/false, on/off' % ( + string, optname)) + elif string.lower() in ('1', 'yes', 'true', 'on'): + return True + elif string.lower() in ('0', 'no', 'false', 'off'): + return False + else: + raise OptionError('Invalid value %r for option %s; use ' + '1/0, yes/no, true/false, on/off' % ( + string, optname)) + + +def get_int_opt(options, optname, default=None): + string = options.get(optname, default) + try: + return int(string) + except TypeError: + raise OptionError('Invalid type %r for option %s; you ' + 'must give an integer value' % ( + string, optname)) + except ValueError: + raise OptionError('Invalid value %r for option %s; you ' + 'must give an integer value' % ( + string, optname)) + + +def get_list_opt(options, optname, default=None): + val = options.get(optname, default) + if isinstance(val, str): + return val.split() + elif isinstance(val, (list, tuple)): + return list(val) + else: + raise OptionError('Invalid type %r for option %s; you ' + 'must give a list value' % ( + val, optname)) + + +def docstring_headline(obj): + if not obj.__doc__: + return '' + res = [] + for line in obj.__doc__.strip().splitlines(): + if line.strip(): + res.append(" " + line.strip()) + else: + break + return ''.join(res).lstrip() + + +def make_analysator(f): + """ + Return a static text analysation function that + returns float values. + """ + def text_analyse(text): + rv = f(text) + if not rv: + return 0.0 + return min(1.0, max(0.0, float(rv))) + text_analyse.__doc__ = f.__doc__ + return staticmethod(text_analyse) + + +def shebang_matches(text, regex): + """ + Check if the given regular expression matches the last part of the + shebang if one exists. + + >>> from pygments.util import shebang_matches + >>> shebang_matches('#!/usr/bin/env python', r'python(2\.\d)?') + True + >>> shebang_matches('#!/usr/bin/python2.4', r'python(2\.\d)?') + True + >>> shebang_matches('#!/usr/bin/python-ruby', r'python(2\.\d)?') + False + >>> shebang_matches('#!/usr/bin/python/ruby', r'python(2\.\d)?') + False + >>> shebang_matches('#!/usr/bin/startsomethingwith python', + ... r'python(2\.\d)?') + True + + It also checks for common windows executable file extensions:: + + >>> shebang_matches('#!C:\\Python2.4\\Python.exe', r'python(2\.\d)?') + True + + Parameters (``'-f'`` or ``'--foo'`` are ignored so ``'perl'`` does + the same as ``'perl -e'``) + + Note that this method automatically searches the whole string (eg: + the regular expression is wrapped in ``'^$'``) + """ + index = text.find('\n') + if index >= 0: + first_line = text[:index].lower() + else: + first_line = text.lower() + if first_line.startswith('#!'): + try: + found = [x for x in split_path_re.split(first_line[2:].strip()) + if x and not x.startswith('-')][-1] + except IndexError: + return False + regex = re.compile('^%s(\.(exe|cmd|bat|bin))?$' % regex, re.IGNORECASE) + if regex.search(found) is not None: + return True + return False + + +def doctype_matches(text, regex): + """ + Check if the doctype matches a regular expression (if present). + Note that this method only checks the first part of a DOCTYPE. + eg: 'html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"' + """ + m = doctype_lookup_re.match(text) + if m is None: + return False + doctype = m.group(2) + return re.compile(regex).match(doctype.strip()) is not None + + +def html_doctype_matches(text): + """ + Check if the file looks like it has a html doctype. + """ + return doctype_matches(text, r'html\s+PUBLIC\s+"-//W3C//DTD X?HTML.*') + + +_looks_like_xml_cache = {} +def looks_like_xml(text): + """ + Check if a doctype exists or if we have some tags. + """ + key = hash(text) + try: + return _looks_like_xml_cache[key] + except KeyError: + m = doctype_lookup_re.match(text) + if m is not None: + return True + rv = tag_re.search(text[:1000]) is not None + _looks_like_xml_cache[key] = rv + return rv + +# Python 2/3 compatibility + +if sys.version_info < (3,0): + b = bytes = str + u_prefix = 'u' + import io, io + BytesIO = io.StringIO + StringIO = io.StringIO + uni_open = codecs.open +else: + import builtins + bytes = builtins.bytes + u_prefix = '' + def b(s): + if isinstance(s, str): + return bytes(list(map(ord, s))) + elif isinstance(s, bytes): + return s + else: + raise TypeError("Invalid argument %r for b()" % (s,)) + import io + BytesIO = io.BytesIO + StringIO = io.StringIO + uni_open = builtins.open