function CSSCompression_Setup::nested

Run nested elements through a separate instance of compression

Parameters

(array) css: Reference to the original css array:

(bool) organize: Whether or not to organize the subsection (only true for media sections):

1 call to CSSCompression_Setup::nested()

CSSCompression_Setup::setup in advagg_css_compress/css-compressor-3.x/src/lib/Setup.inc

Setup selector and details arrays for compression methods

File

advagg_css_compress/css-compressor-3.x/src/lib/Setup.inc, line 156

Class

CSSCompression_Setup

CSS Compressor [VERSION] [DATE] Corey Hart @ <a href="http://www.codenothing.com">http://www.codenothing.com</a>

Code

private function nested(&$css = array(), $organize = false) {
    $options = $this->options;
    $left = 0;
    $right = 0;
    $row = '';
    $independent = '';
    $content = '';
    $spacing = '';
    $newline = $this->options['readability'] > CSSCompression::READ_NONE ? "\n" : '';
    // Find the end of the nested section
    while (count($css) && ($left < 1 || $left > $right)) {
        $row = trim(array_shift($css));
        if ($row == '') {
            continue;
        }
        else {
            if ($row == '{') {
                $left++;
            }
            else {
                if ($row == '}') {
                    $right++;
                }
                else {
                    if (count($css) && substr($row, 0, 1) != '@' && substr($css[0], 0, 1) == '@' && substr($row, -1) == ';') {
                        $independent .= $row;
                        continue;
                    }
                }
            }
        }
        $content .= $row;
    }
    // Ensure copy of instance exists
    if (!$this->instance) {
        $this->instance = new CSSCompression();
    }
    // Fresh start
    $this->instance
        ->reset();
    // Compress the nested section independently after removing the wrapping braces
    // Also make sure to only organize media sections
    if ($options['organize'] == true && $organize == false) {
        $options['organize'] = false;
    }
    // Independent sections should be prepended to the next compressed section
    $content = ($independent == '' ? '' : $independent . $newline) . $this->instance
        ->compress(substr($content, 1, -1), $options);
    // Formatting for anything higher then 0 readability
    if ($newline == "\n") {
        $content = "\n\t" . str_replace("\n", "\n\t", $content) . "\n";
        $spacing = $this->options['readability'] > CSSCompression::READ_MIN ? ' ' : '';
    }
    // Stash the compressed nested script
    return "{$spacing}{" . $content . "}{$newline}";
}