/**
* Parses as constraint string into LinkConstraint objects
*
* @param string $constraints
* @return \Composer\Package\LinkConstraint\LinkConstraintInterface
*/
public function parseConstraints($constraints)
{
$prettyConstraint = $constraints;
if (preg_match('{^([^,\\s]*?)@(' . implode('|', array_keys(BasePackage::$stabilities)) . ')$}i', $constraints, $match)) {
$constraints = empty($match[1]) ? '*' : $match[1];
}
if (preg_match('{^(dev-[^,\\s@]+?|[^,\\s@]+?\\.x-dev)#[a-f0-9]+$}i', $constraints, $match)) {
$constraints = $match[1];
}
$constraints = preg_split('{\\s*,\\s*}', trim($constraints));
if (count($constraints) > 1) {
$constraintObjects = array();
foreach ($constraints as $constraint) {
$constraintObjects = array_merge($constraintObjects, $this->parseConstraint($constraint));
}
} else {
$constraintObjects = $this->parseConstraint($constraints[0]);
}
if (1 === count($constraintObjects)) {
$constraint = $constraintObjects[0];
} else {
$constraint = new MultiConstraint($constraintObjects);
}
$constraint->setPrettyString($prettyConstraint);
return $constraint;
}
/**
* Parses as constraint string into LinkConstraint objects
*
* @param string $constraints
* @return \Composer\Package\LinkConstraint\LinkConstraintInterface
*/
public function parseConstraints($constraints)
{
$prettyConstraint = $constraints;
if (preg_match('{^([^,\\s]*?)@(' . implode('|', array_keys(BasePackage::$stabilities)) . ')$}i', $constraints, $match)) {
$constraints = empty($match[1]) ? '*' : $match[1];
}
if (preg_match('{^(dev-[^,\\s@]+?|[^,\\s@]+?\\.x-dev)#.+$}i', $constraints, $match)) {
$constraints = $match[1];
}
$orConstraints = preg_split('{\\s*\\|\\|?\\s*}', trim($constraints));
$orGroups = array();
foreach ($orConstraints as $constraints) {
$andConstraints = preg_split('{(?<!^|as|[=>< ,]) *(?<!-)[, ](?!-) *(?!,|as|$)}', $constraints);
if (count($andConstraints) > 1) {
$constraintObjects = array();
foreach ($andConstraints as $constraint) {
$constraintObjects = array_merge($constraintObjects, $this->parseConstraint($constraint));
}
} else {
$constraintObjects = $this->parseConstraint($andConstraints[0]);
}
if (1 === count($constraintObjects)) {
$constraint = $constraintObjects[0];
} else {
$constraint = new MultiConstraint($constraintObjects);
}
$orGroups[] = $constraint;
}
if (1 === count($orGroups)) {
$constraint = $orGroups[0];
} else {
$constraint = new MultiConstraint($orGroups, false);
}
$constraint->setPrettyString($prettyConstraint);
return $constraint;
}
