/**
* Execute the block and replace the results
*
* @return \SalesforceEng\Breakout\Document instance
*/
public function execute()
{
$tokens = $this->getTokens();
$data = $this->getData();
$document = $this->getDocument();
$forBlock = array_shift($tokens);
$last = array_pop($tokens);
preg_match_all('/{% for (.+?) in (.+?) %}/', $forBlock->getFull(), $matches);
$varname = $matches[2][0];
$itemName = $matches[1][0];
$loopData = Parser::resolveValue($data, $varname);
if ($loopData == null) {
throw new \Exception('Variable "' . $varname . '" not found for use in for loop!');
}
$between = $document->between($forBlock, $last);
$token = new Tokenizer();
$container = $token->execute($between);
$content = '';
foreach ($loopData as $var) {
$parser = new Parser($container, $between);
$content .= $parser->execute([$itemName => $var]);
}
$contentToken = new Token(['content' => $content, 'start' => $forBlock->getStart(), 'end' => $last->getEnd()]);
$document->replace($contentToken, $content);
return $document;
}
/**
* Test the "for" block where the source variable isn't found
*
* @expectedException \Exception
*/
public function testForBlockWithBadReplace()
{
// Use the tokenizer to build the tokens
$t = new Tokenizer();
$document = 'this is a {% for item in badvar %} bad varname {% endfor %} here';
$tokens = $t->execute($document);
$data = [];
$block = new BlockFor($data, $tokens[0], new Document($document));
$result = $block->execute();
}
/**
* Execute the "if" block handling
*
* @return \SalesforceEng\Breakout\Document instance
*/
public function execute()
{
$tokens = $this->getTokens();
$data = $this->getData();
$document = $this->getDocument();
// get the details for the "if"
$ifBlock = array_shift($tokens);
$last = array_pop($tokens);
// Parse out the block contents
preg_match('/{% if (.+?) ([=!]*)(.*?)%}/', $ifBlock->getFull(), $matches);
$varname = $matches[1];
$operator = isset($matches[2]) && !empty($matches[2]) ? $matches[2] : 'isset';
$elseBetween = null;
$matchValue = null;
// If we have a value to match against, normalize it a bit
if (isset($matches[3])) {
$matchValue = $this->normalizeValue($matches[3]);
}
// See if we have an "else" we need to get it out and update our current tokens
if (!empty($tokens) && count($tokens) == 1 && !is_array($tokens[0]) && $tokens[0]->getToken() == 'else') {
$else = array_pop($tokens);
$elseBetween = $document->between($else, $last);
$between = $document->between($ifBlock, $else);
} else {
$between = $document->between($ifBlock, $last);
}
$resolved = Parser::resolveValue($data, $varname);
// Match the replacement template depending on evaluation result
$template = $this->evaluate($operator, $resolved, $matchValue) === true ? $between : $elseBetween;
// Now perform the replacement
$token = new Tokenizer();
$parser = new Parser($token->execute($template), $template);
$content = $parser->execute($data);
$contentToken = new Token(['content' => $content, 'start' => $ifBlock->getStart(), 'end' => $last->getEnd()]);
$document->replace($contentToken, $content);
return $document;
}
/**
* Render the document, replacing data with provided escaping
*
* @param string $document Document to replace content inside of
* @param array $data Data to replace
* @return string Document with content replaced and escaped
*/
public static function render($document, array $data, $delimiters = null)
{
if ($delimiters === null) {
$delimiters = self::getDelimiters();
}
$token = new Tokenizer($delimiters);
$result = $token->execute($document);
$parser = new Parser($result, $document);
return $parser->execute($data);
}
/**
* Test the "if" block with an "else" included
*/
public function testBlockIfWithElse()
{
// Use the tokenizer to build the tokens
$t = new Tokenizer();
$document = 'this is a {% if bar %}inside{% else %}in else{% endif %} here';
$tokens = $t->execute($document);
// Data will be found, goes into if
$data = ['bar' => 'this is set!'];
$block = new BlockIf($data, $tokens[0], new Document($document));
$this->assertEquals('this is a inside here', $block->execute());
// Data not found, goes into else
$data = [];
$block = new BlockIf($data, $tokens[0], new Document($document));
$this->assertEquals('this is a in else here', $block->execute());
}