/**
* Parses function
*
* @return XmlImportSpintaxFunction
*/
private function parseSpintax()
{
$spintax = new XmlImportAstSpintax($this->tokens[++$this->index]->getValue());
if ($this->tokens[$this->index + 1]->getKind() != XmlImportToken::KIND_OPEN) {
throw new XmlImportException("Open brace expected instead of " . $this->tokens[$this->index + 1]->getKind());
}
$this->index++;
if ($this->tokens[$this->index + 1]->getKind() == XmlImportToken::KIND_CLOSE) {
$this->index++;
return $spintax;
} else {
while ($this->index < count($this->tokens) - 2) {
$spintax->addArgument($this->parseExpression());
if ($this->tokens[$this->index + 1]->getKind() == XmlImportToken::KIND_CLOSE) {
$this->index++;
return $spintax;
break;
} elseif ($this->tokens[$this->index + 1]->getKind() == XmlImportToken::KIND_COMMA) {
$this->index++;
} else {
throw new XmlImportException("Comma or closing brace expected instead of " . $this->tokens[$this->index + 1]->getKind());
}
}
throw new XmlImportException("Unexpected end of {$function->getName()} function argument list");
}
}
/**
* Generates code for a function
*
* @param XmlImportAstSpintax $expression
* @return string
*/
private function generateForSpintax(XmlImportAstSpintax $spintax)
{
$result = '';
$arguments = $spintax->getArguments();
$elements = array();
$buf = array();
for ($i = 0; $i < count($arguments); $i++) {
if ($arguments[$i]->getValue() != '|') {
array_push($buf, $this->generateForExpression($arguments[$i], true));
} else {
array_push($elements, $buf);
$buf = array();
}
}
array_push($elements, $buf);
if (!empty($elements) and is_array($elements)) {
$spintax_arr = $this->generateVariation($elements);
foreach ($spintax_arr as $key => $value) {
$result .= "\"<p>\"." . implode(".", $value) . ".\"</p>\"";
if ($key != count($spintax_arr) - 1) {
$result .= ".";
}
}
}
return $result;
}
