function ctools_css_disassemble

Disassemble the css string.

Strip the css of irrelevant characters, invalid/malformed selectors and declarations, and otherwise prepare it for processing.

Parameters

string $css: A string containing the css to be disassembled.

Return value

array An array of disassembled, slightly cleaned-up/formatted css statements.

File

includes/css.inc, line 284

Code

function ctools_css_disassemble($css) {
    $disassembled_css = array();
    // Remove comments.
    $css = preg_replace("/\\/\\*(.*)?\\*\\//Usi", "", $css);
    // Split out each statement. Match either a right curly brace or a semi-colon
    // that precedes a left curly brace with no right curly brace separating them.
    $statements = preg_split('/}|;(?=[^}]*{)/', $css);
    // If we have any statements, parse them.
    if (!empty($statements)) {
        // Iterate through all of the statements.
        foreach ($statements as $statement) {
            // Get the selector(s) and declaration.
            if (empty($statement) || !strpos($statement, '{')) {
                continue;
            }
            list($selector_str, $declaration) = explode('{', $statement);
            // If the selector exists, then disassemble it, check it, and regenerate
            // the selector string.
            $selector_str = empty($selector_str) ? FALSE : _ctools_css_disassemble_selector($selector_str);
            if (empty($selector_str)) {
                // No valid selectors. Bomb out and start the next item.
                continue;
            }
            // Disassemble the declaration, check it and tuck it into an array.
            if (!isset($disassembled_css[$selector_str])) {
                $disassembled_css[$selector_str] = array();
            }
            $disassembled_css[$selector_str] += _ctools_css_disassemble_declaration($declaration);
        }
    }
    return $disassembled_css;
}