/**
* this function determines excerpt for the post
*
*/
function tag_Excerpt(&$content, $config)
{
$post_excerpt = '';
if (preg_match('/:excerptstart ?(.*):excerptend/s', $content, $matches)) {
$content = str_replace($matches[0], "", $content);
$post_excerpt = $matches[1];
DebugEcho("excerpt found: {$post_excerpt}");
if ($config['filternewlines']) {
DebugEcho("filtering newlines from excerpt");
filter_Newlines($post_excerpt, $config);
}
}
return $post_excerpt;
}
public function test_filter_Newlines()
{
$config = config_GetDefaults();
$c = "test";
filter_Newlines($c, $config);
$this->assertEquals("test", $c);
$c = "test";
filter_Newlines($c, $config);
$this->assertEquals("test", $c);
$c = "test\n";
filter_Newlines($c, $config);
$this->assertEquals("test ", $c);
$c = "test\r\n";
filter_Newlines($c, $config);
$this->assertEquals("test ", $c);
$c = "test\r";
filter_Newlines($c, $config);
$this->assertEquals("test ", $c);
$c = "test\n\n";
filter_Newlines($c, $config);
$this->assertEquals("test ", $c);
$c = "test\r\n\r\n";
filter_Newlines($c, $config);
$this->assertEquals("test ", $c);
$c = "test\r\n\r\ntest\n\ntest\rtest\r\ntest\ntest";
filter_Newlines($c, $config);
$this->assertEquals("test test test test test test", $c);
$config['convertnewline'] = true;
$c = "test\n";
filter_Newlines($c, $config);
$this->assertEquals("test<br />\n", $c);
$c = "test\n\n";
filter_Newlines($c, $config);
$this->assertEquals("test<br />\n", $c);
$c = "test\r";
filter_Newlines($c, $config);
$this->assertEquals("test<br />\n", $c);
$c = "test\r\n";
filter_Newlines($c, $config);
$this->assertEquals("test<br />\n", $c);
$c = "test\r\n\r\n";
filter_Newlines($c, $config);
$this->assertEquals("test<br />\n<br />\n", $c);
$c = "test\r\n\r\ntest\n\ntest\rtest\r\ntest\ntest";
filter_Newlines($c, $config);
$this->assertEquals("test<br />\n<br />\ntest<br />\ntest<br />\ntest<br />\ntest<br />\ntest", $c);
}
