TYPO3\CMS\Core\Html\RteHtmlParser::divideIntoLines()

Complexity

Conditions	11
Paths	15

Size

Total Lines	43
Code Lines	21

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    protected function divideIntoLines($value, $count = 5, $returnArray = false)
    {
        // Setting the third param will eliminate false end-tags. Maybe this is a good thing to do...?
        $paragraphBlocks = $this->splitIntoBlock('p', $value, true);
        // Returns plainly the content if there was no p sections in it
        if (count($paragraphBlocks) <= 1 || $count <= 0) {
            return $this->sanitizeLineBreaksForContentOnly($value);
        }

        // Traverse the splitted sections
        foreach ($paragraphBlocks as $k => $v) {
            if ($k % 2) {
                // Inside a <p> section
                $v = $this->removeFirstAndLastTag($v);
                // Fetching 'sub-lines' - which will explode any further p nesting recursively
                $subLines = $this->divideIntoLines($v, $count - 1, true);
                // So, if there happened to be sub-nesting of p, this is written directly as the new content of THIS section. (This would be considered 'an error')
                if (is_array($subLines)) {
                    $paragraphBlocks[$k] = implode(LF, $subLines);
                } else {
                    //... but if NO subsection was found, we process it as a TRUE line without erroneous content:
                    $paragraphBlocks[$k] = $this->processContentWithinParagraph($subLines, $paragraphBlocks[$k]);
                }
                // If it turns out the line is just blank (containing a &nbsp; possibly) then just make it pure blank.
                // But, prevent filtering of lines that are blank in sense above, but whose tags contain attributes.
                // Those attributes should have been filtered before; if they are still there they must be considered as possible content.
                if (trim(strip_tags($paragraphBlocks[$k])) === '&nbsp;' && !preg_match('/\\<(img)(\\s[^>]*)?\\/?>/si', $paragraphBlocks[$k]) && !preg_match('/\\<([^>]*)?( align| class| style| id| title| dir| lang| xml:lang)([^>]*)?>/si', trim($paragraphBlocks[$k]))) {
                    $paragraphBlocks[$k] = '';
                }
            } else {
                // Outside a paragraph, if there is still something in there, just add a <p> tag
                // Remove positions which are outside <p> tags and without content
                $paragraphBlocks[$k] = trim(strip_tags($paragraphBlocks[$k], '<' . implode('><', $this->allowedTagsOutsideOfParagraphs) . '>'));
                $paragraphBlocks[$k] = $this->sanitizeLineBreaksForContentOnly($paragraphBlocks[$k]);
                if ((string)$paragraphBlocks[$k] === '') {
                    unset($paragraphBlocks[$k]);
                } else {
                    // add <p> tags around the content
                    $paragraphBlocks[$k] = str_replace(strip_tags($paragraphBlocks[$k]), '<p>' . strip_tags($paragraphBlocks[$k]) . '</p>', $paragraphBlocks[$k]);
                }
            }
        }
        return $returnArray ? $paragraphBlocks : implode(LF, $paragraphBlocks);
    }