arc\xml::css2XPath()

Complexity

Conditions	4
Paths	3

Size

Total Lines	56
Code Lines	37

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	4

Importance

Changes	5
Bugs	3	Features	3

<?php
    public static function css2XPath( $cssSelector )

This method is not in camel caps format.

    {
        /* based on work by Tijs Verkoyen - http://blog.verkoyen.eu/blog/p/detail/css-selector-to-xpath-query/ */
        $translateList = array(
            // E F: Matches any F element that is a descendant of an E element
            '/(\w+)\s+(?=([^"]*"[^"]*")*[^"]*$)(\w+)/'
            => '\1//\3',
            // E > F: Matches any F element that is a child of an element E
            '/(\w+)\s*>\s*(\w+)/'
            => '\1/\2',
            // E:first-child: Matches element E when E is the first child of its parent
            '/(\w+|\*):first-child/'
            => '*[1]/self::\1',
            // E:checked or E:disabled or E:selected

39% of this comment could be valid code. Did you maybe forget this after debugging?

            '/(\w+|\*):(checked|disabled|selected)/'
            => '\1 [ @\2 ]',
            // E + F: Matches any F element immediately preceded by an element
            '/(\w+)\s*\+\s*(\w+)/'
            => '\1/following-sibling::*[1]/self::\2',
            // E ~ F: Matches any F element preceded by an element
            '/(\w+)\s*\~\s*(\w+)/'
            => '\1/following-sibling::*/self::\2',
            // E[foo]: Matches any E element with the "foo" attribute set (whatever the value)
            '/(\w+)\[([\w\-]+)]/'
            => '\1 [ @\2 ]',
            // E[foo="warning"]: Matches any E element whose "foo" attribute value is exactly equal to "warning"
            '/(\w+)\[([\w\-]+)\=\"(.*)\"]/'
            => '\1[ contains( concat( " ", normalize-space(@\2), " " ), concat( " ", "\3", " " ) ) ]',
            // .warning: HTML only. The same as *[class~="warning"]
            '/(^|\s)\.([\w\-]+)+/'
            => '*[ contains( concat( " ", normalize-space(@class), " " ), concat( " ", "\2", " " ) ) ]',
            // div.warning: HTML only. The same as DIV[class~="warning"]
            '/(\w+|\*)\.([\w\-]+)+/'
            => '\1[ contains( concat( " ", normalize-space(@class), " " ), concat( " ", "\2", " " ) ) ]',
            // E#myid: Matches any E element with id-attribute equal to "myid"
            '/(\w+)+\#([\w\-]+)/'
            => '\1[ @id = "\2" ]',
            // #myid: Matches any E element with id-attribute equal to "myid"
            '/\#([\w\-]+)/'
            => '*[ @id = "\1" ]'
        );

        $cssSelectors = array_keys($translateList);
        $xPathQueries = array_values($translateList);
        do {
            $continue = false;

Equals sign not aligned with surrounding assignments; expected 4 spaces but found 1 space

            $cssSelector = (string) preg_replace($cssSelectors, $xPathQueries, $cssSelector);
            foreach ( $cssSelectors as $selector ) {
                if ( preg_match($selector, $cssSelector) ) {
                    $continue = true;
                    break;
                }       
            }
        } while ( $continue );
        return '//'.$cssSelector;
    }
}