public function testRewindDouble()
{
$stack = new ezcDocumentRstStack();
$array = array();
array_unshift($array, 1);
array_unshift($array, 23);
$stack->unshift(1);
$stack->unshift(23);
$this->assertSame(reset($array), $stack->rewind());
}
/**
* Reduce link
*
* Uses the preceding element as the hyperlink content. This should be
* either a literal markup section, or just the last word.
*
* As we do not get workd content out of the tokenizer (too much overhead),
* we split out the previous text node up, in case we got one.
*
* @param ezcDocumentRstNode $node
* @return void
*/
protected function reduceLink(ezcDocumentRstNode $node)
{
if (!isset($this->documentStack[0])) {
// This should never happen, though.
return;
}
// Check a special case for anonymous hyperlinks, that the beforelast
// token is not a '__'.
if (isset($this->documentStack[1]) && $this->documentStack[1]->token->content === '__') {
return new ezcDocumentRstTextLineNode($node->token);
}
// Aggregate token to check for an embedded inline URL
$text = false;
if ($this->documentStack[0]->type === ezcDocumentRstNode::MARKUP_INTERPRETED || $this->documentStack[0]->type === ezcDocumentRstNode::MARKUP_SUBSTITUTION) {
/* DEBUG
echo " - Scan literal for embedded URI.\n";
// /DEBUG */
$textNode = false;
$text = $this->documentStack->shift();
foreach ($text->nodes as $child) {
if ($child->type !== ezcDocumentRstNode::TEXT_LINE) {
/* DEBUG
echo " - Invalid subnode type found: " . ezcDocumentRstNode::getTokenName( $child->type ) . ".\n";
// /DEBUG */
$textNode = false;
break;
} else {
$textNode .= $child->token->content;
}
}
// If we could aggregate the texts easily, because there is only
// plain text included, we can check for an URL.
if ($textNode !== false && preg_match('(\\s*<(?P<url>[^>]+)>)', $textNode, $match)) {
// We found an URL - remove it from the text and use it as link
// target.
/* DEBUG
echo " - Matched embedded URI: " . $match['url'] . ".\n";
// /DEBUG */
$text = new ezcDocumentRstTextLineNode($text->nodes[0]->token);
$text->token->content = str_replace($match[0], '', $textNode);
$node->target = $match['url'];
}
$text = array($text);
} elseif ($this->documentStack[0]->type === ezcDocumentRstNode::TEXT_LINE && strpos($this->documentStack[0]->token->content, ' ') === false) {
/* DEBUG
echo " - Spaceless text found, aggregating:\n";
// /DEBUG */
$text = array();
do {
$text[] = $this->documentStack->shift();
} while (isset($this->documentStack[0]) && $this->documentStack[0]->type === ezcDocumentRstNode::TEXT_LINE && ($this->documentStack[0]->token->type === ezcDocumentRstToken::TEXT_LINE || $this->documentStack[0]->token->type === ezcDocumentRstToken::SPECIAL_CHARS && preg_match('(^[_-]+$)', $this->documentStack[0]->token->content)) && strpos($this->documentStack[0]->token->content, ' ') === false);
// Split away everything after the first space, and include it in
// the reference target, if applicable
if (isset($this->documentStack[0]) && $this->documentStack[0]->type === ezcDocumentRstNode::TEXT_LINE && preg_match('(^(?P<before>.*?)(?P<text>[A-Za-z0-9_-]+)$)s', $this->documentStack[0]->token->content, $match)) {
/* DEBUG
echo " - Splitting node: '{$this->documentStack[0]->token->content}' at $pos.\n";
// /DEBUG */
$token = clone $this->documentStack[0]->token;
$this->documentStack[0]->token->content = rtrim($match['before']);
$token->content = $match['text'];
$text[] = new ezcDocumentRstTextLineNode($token);
}
$text = array_reverse($text);
}
if ($text !== false) {
/* DEBUG
echo " - Return created node.\n";
// /DEBUG */
$node->nodes = $text;
return $node;
}
// If the single text node contains spaces we need to split it up here,
// because the link only covers the last word in the string.
if ($this->documentStack[0]->type === ezcDocumentRstNode::TEXT_LINE) {
// This is bit hackish, but otherwise the tokenizer would produce
// too large amounts of structs.
$words = explode(' ', $this->documentStack[0]->token->content);
$this->documentStack[0]->token->content = implode(' ', array_slice($words, 0, -1)) . ' ';
$token = clone $this->documentStack[0]->token;
$token->content = end($words);
$text = new ezcDocumentRstTextLineNode($token);
$node->nodes = array($text);
return $node;
}
// We did not find a valid precedessor, so just convert to a text node.
return new ezcDocumentRstTextLineNode($node->token);
}
