/**
* Pre-process footnote shortcode
*
* @param array $atts
* @param string $content
*
* @return string
*/
function shortcodeHandler($atts, $content = '')
{
global $id;
$a = shortcode_atts(array('numbered' => 'yes', 'symbol' => '*', 'suptext' => ' '), $atts);
if (!$content) {
return '';
}
if (!isset($this->footnotes[$id])) {
$this->footnotes[$id] = array();
if ($a['numbered'] == 'no') {
$this->numbered[$id] = false;
} else {
$this->numbered[$id] = true;
}
}
$this->footnotes[$id][] = $content;
$footnotes = $this->footnotes[$id];
$num = count($footnotes);
$numlabel = "{$id}-{$num}";
$retval = '<a class="footnote" title="' . \PressBooks\Sanitize\sanitize_xml_attribute(wp_strip_all_tags($content)) . '" id="return-footnote-' . $numlabel . '" href="#footnote-' . $numlabel . '"><sup class="footnote">[';
if ($this->numbered[$id]) {
$retval .= $num;
} else {
$retval .= $a['symbol'];
}
if (trim($a['suptext'])) {
if ($this->numbered[$id]) {
$retval .= '. ';
}
$retval .= $a['suptext'];
}
$retval .= ']</sup></a>';
return $retval;
}
/**
* @covers \PressBooks\Sanitize\sanitize_xml_attribute
*/
public function test_sanitize_xml_attribute()
{
$var = 'Hello-World!';
$this->assertEquals($var, \PressBooks\Sanitize\sanitize_xml_attribute($var));
$var = "\t <Hello&World!> ";
$this->assertEquals('<Hello&World!>', \PressBooks\Sanitize\sanitize_xml_attribute($var));
$var = " te\fst";
$this->assertEquals('test', \PressBooks\Sanitize\sanitize_xml_attribute($var));
}
/**
* @param $book_contents
*
* @return mixed
*/
protected function preProcessBookContents($book_contents)
{
// We need to change global $id for shortcodes, the_content, ...
global $id;
$old_id = $id;
// Do root level structures first.
foreach ($book_contents as $type => $struct) {
if (preg_match('/^__/', $type)) {
continue;
}
// Skip __magic keys
foreach ($struct as $i => $val) {
if (isset($val['post_content'])) {
$id = $val['ID'];
$book_contents[$type][$i]['post_content'] = $this->preProcessPostContent($val['post_content']);
}
if (isset($val['post_title'])) {
$book_contents[$type][$i]['post_title'] = \PressBooks\Sanitize\sanitize_xml_attribute($val['post_title']);
}
if (isset($val['post_name'])) {
$book_contents[$type][$i]['post_name'] = $this->preProcessPostName($val['post_name']);
}
if ('part' == $type) {
// Do chapters, which are embedded in part structure
foreach ($book_contents[$type][$i]['chapters'] as $j => $val2) {
if (isset($val2['post_content'])) {
$id = $val2['ID'];
$book_contents[$type][$i]['chapters'][$j]['post_content'] = $this->preProcessPostContent($val2['post_content']);
}
if (isset($val2['post_title'])) {
$book_contents[$type][$i]['chapters'][$j]['post_title'] = \PressBooks\Sanitize\sanitize_xml_attribute($val2['post_title']);
}
if (isset($val2['post_name'])) {
$book_contents[$type][$i]['chapters'][$j]['post_name'] = $this->preProcessPostName($val2['post_name']);
}
}
}
}
}
$id = $old_id;
return $book_contents;
}