/**
* Constructor takes a PCML string and converts to an array-based old toolkit data description string.
*
* @param string $pcml The string of PCML
* @param Toolkit $connection connection object for toolkit
* @throws \Exception
*/
public function __construct($pcml, Toolkit $connection)
{
$this->setConnection($connection);
// Convert PCML from ANSI format (which old toolkit required) to UTF-8 (which SimpleXML requires).
$encoding = $connection->getConfigValue('system', 'encoding', 'ISO-8859-1');
// XML encoding
/*
* Look for optionally set <?xml encoding attribute
* and change encoding if attribute is set and not UTF-8
* or change encoding if attribute is not set and ini encoding is not UTF-8
*/
$pcml = trim($pcml);
$matches = array();
$regex = '/^<\\?xml\\s.*?encoding=["\']([^"\']+)["\'].*?\\?>/is';
if (preg_match($regex, $pcml, $matches) && $matches[1] != 'UTF-8') {
//remove xml-tag
$pcml = substr($pcml, strlen($matches[0]));
$pcml = mb_convert_encoding($pcml, 'UTF-8', $matches[1]);
} elseif ($encoding != 'UTF-8') {
$pcml = mb_convert_encoding($pcml, 'UTF-8', $encoding);
}
//program name is stored as: /pcml/program name="/qsys.lib/eacdemo.lib/teststruc.pgm"
$xmlObj = new \SimpleXMLElement($pcml);
// get root node and make sure it's named 'pcml'
if (!isset($xmlObj[0]) || $xmlObj[0]->getName() != 'pcml') {
throw new \Exception("PCML file must contain pcml tag");
}
$pcmlObj = $xmlObj[0];
// get program name, path, etc.
if (!isset($pcmlObj->program) || !$pcmlObj->program) {
throw new \Exception("PCML file must contain program tag");
}
$programNode = $pcmlObj->program;
$pgmAttrs = $programNode->attributes();
/**
* sample:
* <program name="name"
* [ entrypoint="entry-point-name" ]
* [ epccsid="ccsid" ]
* [ path="path-name" ]
* [ parseorder="name-list" ]
* [ returnvalue="{ void | integer }" ]
* [ threadsafe="{ true | false }" ]>
* </program>
*/
// let's focus on name, path, and entrypoint, the only attributes likely to be used here.
$path = isset($pgmAttrs['path']) ? $pgmAttrs['path'] : '';
$entrypoint = isset($pgmAttrs['entrypoint']) ? $pgmAttrs['entrypoint'] : '';
// Note: if entrypoint is supplied, it's the function in a service program. "name" will be the same as entrypoint.
// if entrypoint is not supplied, name is the actual program name.
// Therefore, "name" seems somewhat worthless.
// break up path, separated now by slashes. can be varied lib and pgm.
// remove the /qsys.lib that may be in front but only if it's simply qualifying another library. qsys may be the actual program library, too.
$objArray = $this->splitPcmlProgramPath($path);
if ($objArray['lib']) {
$pgmName = "{$objArray['lib']}/{$objArray['obj']}";
} else {
$pgmName = $objArray['obj'];
}
// now add the entrypoint, if any, as a procedure/function.
if ($entrypoint) {
// append the entry point enclosed in parentheses.
$pgmName .= "({$entrypoint})";
}
// Now create data description array.
$dataDescriptionArray = $this->pcmlToArray($xmlObj);
//Change the encoding back to the one wanted by the user, since SimpleXML encodes its output always in UTF-8
$pgmName = mb_convert_encoding($pgmName, $encoding, 'UTF-8');
mb_convert_variables($encoding, 'UTF-8', $dataDescriptionArray);
// call parent's constructor with:
//$descObj = new DataDescriptionPcml($description, $connection);
parent::__construct($pgmName, $dataDescriptionArray, $connection);
}
