# Copyright (C) 2013 University of Szeged. All rights reserved.
# Copyright (C) 2013 Samsung Electronics. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY UNIVERSITY OF SZEGED ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF SZEGED OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

"""Checks WebKit style for .messages.in files."""

import re
from webkitpy.style.checkers.common import TabChecker


class MessagesInChecker(object):

    """Processes .messages.in lines for checking style."""

    def __init__(self, file_path, handle_style_error):
        self.file_path = file_path
        self.handle_style_error = handle_style_error
        self._tab_checker = TabChecker(file_path, handle_style_error)

    def check(self, lines):
        self._tab_checker.check(lines)
        self.check_WTF_prefix(lines)

    def check_WTF_prefix(self, lines):
        comment = re.compile('^\s*#')
        for line_number, line in enumerate(lines):
            if not comment.match(line) and 'WTF::' in line:
                self.handle_style_error(line_number + 1,
                                        'build/messagesin/wtf', 5,
                                        'Line contains WTF:: prefix.')