/**
* Parses function
*
* @return XmlImportAstFunction
*/
private function parseMath()
{
$math = new XmlImportAstMath($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 $math;
} else {
while ($this->index < count($this->tokens) - 2) {
$math->addArgument($this->parseExpression());
if ($this->tokens[$this->index + 1]->getKind() == XmlImportToken::KIND_CLOSE) {
$this->index++;
return $math;
break;
} elseif ($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 MATH argument list");
}
}
/**
* Generates code for a function
*
* @param XmlImportAstFunction $function
* @return string
*/
private function generateForMath(XmlImportAstMath $math)
{
$result = '';
$arguments = $math->getArguments();
for ($i = 0; $i < count($arguments); $i++) {
$result .= $this->generateForExpression($arguments[$i], true);
}
return 'number_format(' . str_replace("\"", "", $result) . ',2)';
}
