function test_add_markers()
{
$html = '01frog67890zombie789';
$words = array();
$words[] = new ouwiki_word('frog', 2);
$words[] = new ouwiki_word('zombie', 11);
$result = ouwiki_diff_add_markers($html, $words, 'ouw_marker', '!!', '??');
$this->assertEqual($result, '01!!<span class="ouw_marker">frog</span>??67890!!<span class="ouw_marker">zombie</span>??789');
}
/**
* Compares two HTML files. (This is the main function that everything else supports.)
* @param string $html1 XHTML for file 1
* @param string $html2 XHTML for file 2
* @return array ($result1,$result2,$changes); result1 and result2 are XHTML
* to be displayed indicating the differences, while $changes is the total
* number of changed (added or deleted) words. May be 0 if there are no
* differences or if differences are only to HTML
*/
function ouwiki_diff_html($html1, $html2)
{
$lines1 = ouwiki_diff_html_to_lines($html1);
$lines2 = ouwiki_diff_html_to_lines($html2);
list($deleted, $added) = ouwiki_diff_words($lines1, $lines2);
$changes = count($deleted) + count($added);
$result1 = ouwiki_diff_add_markers($html1, $deleted, 'ouw_deleted', '<img src="diff_deleted_begins.gif" alt="' . get_string('deletedbegins', 'ouwiki') . '" />', '<img src="diff_added_ends.gif" alt="' . get_string('deletedends', 'ouwiki') . '" />');
$result2 = ouwiki_diff_add_markers($html2, $added, 'ouw_added', '<img src="diff_added_begins.gif" alt="' . get_string('addedbegins', 'ouwiki') . '" />', '<img src="diff_added_ends.gif" alt="' . get_string('addedends', 'ouwiki') . '" />');
return array($result1, $result2, $changes);
}
/**
* Compares two HTML files. (This is the main function that everything else supports.)
* @param string $html1 XHTML for file 1
* @param string $html2 XHTML for file 2
* @return array ($result1,$result2) to be displayed indicating the differences
*/
function ouwiki_diff_html($html1, $html2)
{
$lines1 = ouwiki_diff_html_to_lines($html1);
$lines2 = ouwiki_diff_html_to_lines($html2);
list($deleted, $added) = ouwiki_diff_words($lines1, $lines2);
$result1 = ouwiki_diff_add_markers($html1, $deleted, 'ouw_deleted', '<strong class="accesshide">' . get_string('deletedbegins', 'wiki') . '</strong>', '<strong class="accesshide">' . get_string('deletedends', 'wiki') . '</strong>');
$result2 = ouwiki_diff_add_markers($html2, $added, 'ouw_added', '<strong class="accesshide">' . get_string('addedbegins', 'wiki') . '</strong>', '<strong class="accesshide">' . get_string('addedends', 'wiki') . '</strong>');
return array($result1, $result2);
}