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reduce repeated code and refer to the internal footnote number

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refer to the internal footnote number instead of the named reference id
This commit is contained in:
Sunny Walker 2018-10-12 09:14:39 -10:00
parent a954f6d698
commit c62b72fc97
1 changed files with 15 additions and 2 deletions
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17
Michelf/MarkdownExtra.php
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@ -1711,11 +1711,13 @@ class MarkdownExtra extends \Michelf\Markdown {
$note_id = $this->encodeAttribute($note_id);
// Prepare backlink, multiple backlinks if multiple references
$label = !empty($this->fn_backlink_label) ? ' aria-label="'.$this->encodeAttribute(str_replace(array('{ref}', '{fn}'), array('1', $note_id), $this->fn_backlink_label)).'"' : '';
$label = !empty($this->fn_backlink_label)
? ' aria-label="'.$this->buildFootnoteLabel($num, 1).'"'
: '';
$backlink = "<a href=\"#fnref:$note_id\"{$attr}{$label}>$backlink_text</a>";
for ($ref_num = 2; $ref_num <= $ref_count; ++$ref_num) {
if (!empty($this->fn_backlink_label)) {
$label = ' aria-label="'.$this->encodeAttribute(str_replace(array('{ref}', '{fn}'), array($ref_num, $note_id), $this->fn_backlink_label)).'"';
$label = ' aria-label="'.$this->buildFootnoteLabel($num, $ref_num).'"';
}
$backlink .= " <a href=\"#fnref$ref_num:$note_id\"{$attr}{$label}>$backlink_text</a>";
}
@ -1783,6 +1785,17 @@ class MarkdownExtra extends \Michelf\Markdown {
return "[^" . $matches[1] . "]";
}
/**
* Build an encoded footnote label from {@see $fn_footnote_label} by
* evaluating any '{fn}' and '{ref}' placeholders.
* @param int $footnote_number
* @param int $reference_number
* @return string
*/
protected function buildFootnoteLabel($footnote_number, $reference_number) {
return $this->encodeAttribute(str_replace(array('{fn}', '{ref}'), array($footnote_number, $reference_number), $this->fn_backlink_label));
}
/**
* Abbreviations - strips abbreviations from text, stores titles in hash