/**
* Parse the given content.
*
* Any newly created nodes should be pushed to the stack. Any remaining content should be passed to the next parser
* in the chain.
*
* @param Text $content
* @param Container $target
* @return void
*/
public function parseBlock(Text $content, Container $target)
{
$content->handle('{
^
[ ]{0,3}\\[(.+)\\]: # id = $1
[ \\t]*
\\n? # maybe *one* newline
[ \\t]*
(?| # url = $2
([^\\s<>]+) # either without spaces
|
<([^<>\\n]*)> # or enclosed in angle brackets
)
(?:
[ \\t]*
\\n? # maybe one newline
[ \\t]*
(?<=\\s) # lookbehind for whitespace
["\'(]
(.+?) # title = $3
["\')]
[ \\t]*
)? # title is optional
$
}xm', function (Text $whole, Text $id, Text $url, Text $title = null) use($target) {
if (!$this->queue->isEmpty()) {
$lastPart = $this->queue->dequeue();
// If the previous line was not empty, we should not parse this as a link reference
if (!$lastPart->match('/(^|\\n *)\\n$/')) {
$lastPart->append($whole);
$this->queue->enqueue($lastPart);
return;
}
$this->parsePart($lastPart, $target);
}
$id = $id->lower()->getString();
// Throw away duplicate reference definitions
if (!$this->links->exists($id)) {
$url->decodeEntities();
// Replace special characters in the URL
$url->encodeUrl();
$this->links->set($id, $url);
if ($title) {
$title->decodeEntities();
$this->titles->set($id, $title);
}
}
}, function (Text $part) {
if (!$this->queue->isEmpty()) {
$lastPart = $this->queue->dequeue();
$part->prepend($lastPart);
}
$this->queue->enqueue($part);
});
if (!$this->queue->isEmpty()) {
$lastPart = $this->queue->dequeue();
$this->parsePart($lastPart, $target);
}
}
public function testEach()
{
$collection = new Collection(array(1, 2, 3, 4));
$test = array();
$collection->each(function ($value) use(&$test) {
$test[] = $value * 2;
});
$this->assertEquals(array(2, 4, 6, 8), $test);
}
public function getText()
{
return new Text($this->lines->join("\n"));
}
public function getReferenceTitle($reference)
{
return $this->titles->exists($reference) ? $this->titles->get($reference) : new Text();
}