linter.py

from SublimeLinter.lint import Linter, util


class CSSLint(Linter):
    cmd = 'csslint --format=compact ${args} ${temp_file}'
    regex = r'''(?xi)
        ^.+:\s*   # filename

        # csslint emits errors that pertain to the code as a whole,
        # in which case there is no line/col information, so that
        # part is optional.
        (?:line\ (?P<line>\d+),\ col\ (?P<col>\d+),\ )?
        (?:(?P<error>error)|(?P<warning>warning))\ -\ (?P<message>.*)
    '''
    word_re = r'^([#\.]?[-\w]+)'
    error_stream = util.STREAM_STDOUT
    tempfile_suffix = 'css'
    defaults = {
        'selector': 'source.css - meta.attribute-with-value',
        '--errors=,': '',
        '--warnings=,': '',
        '--ignore=,': ''
    }

    def split_match(self, match):
        """
        Extract and return values from match.

        We override this method so that general errors that do not have
        a line number can be placed at the beginning of the code.

        """

        match, line, col, error, warning, message, near = super().split_match(match)

        if line is None and message:
            line = 0
            col = 0

        return match, line, col, error, warning, message, near