Tools/Scripts/webkitpy/tool/grammar.py

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# Copyright (c) 2009 Apple Inc. All rights reserved.
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import re


def plural(noun):
    # This is a dumb plural() implementation that is just enough for our uses.
    if re.search("h$", noun):
        return noun + "es"
    else:
        return noun + "s"


def pluralize(count, noun, showCount=True):
    if count != 1:
        noun = plural(noun)
    if showCount:
        return "%d %s" % (count, noun)
    else:
        return "%s" % noun


def join_with_separators(list_of_strings, separator=', ', only_two_separator=" and ", last_separator=', and '):
    if not list_of_strings:
        return ""
    if len(list_of_strings) == 1:
        return list_of_strings[0]
    if len(list_of_strings) == 2:
        return only_two_separator.join(list_of_strings)
    return "%s%s%s" % (separator.join(list_of_strings[:-1]), last_separator, list_of_strings[-1])