/**
* Checks if the package matches the given constraint directly or through
* provided or replaced packages
*
* @param array|PackageInterface $candidate
* @param string $name Name of the package to be matched
* @param LinkConstraintInterface $constraint The constraint to verify
* @return int One of the MATCH* constants of this class or 0 if there is no match
*/
private function match($candidate, $name, LinkConstraintInterface $constraint = null)
{
// handle array packages
if (is_array($candidate)) {
$candidateName = $candidate['name'];
$candidateVersion = $candidate['version'];
$isDev = $candidate['stability'] === 'dev';
$isAlias = isset($candidate['alias_of']);
} else {
// handle object packages
$candidateName = $candidate->getName();
$candidateVersion = $candidate->getVersion();
$isDev = $candidate->getStability() === 'dev';
$isAlias = $candidate instanceof AliasPackage;
}
if (!$isDev && !$isAlias && isset($this->filterRequires[$name])) {
$requireFilter = $this->filterRequires[$name];
} else {
$requireFilter = new EmptyConstraint();
}
if ($candidateName === $name) {
$pkgConstraint = new VersionConstraint('==', $candidateVersion);
if ($constraint === null || $constraint->matches($pkgConstraint)) {
return $requireFilter->matches($pkgConstraint) ? self::MATCH : self::MATCH_FILTERED;
}
return self::MATCH_NAME;
}
if (is_array($candidate)) {
$provides = isset($candidate['provide']) ? $this->versionParser->parseLinks($candidateName, $candidateVersion, 'provides', $candidate['provide']) : array();
$replaces = isset($candidate['replace']) ? $this->versionParser->parseLinks($candidateName, $candidateVersion, 'replaces', $candidate['replace']) : array();
} else {
$provides = $candidate->getProvides();
$replaces = $candidate->getReplaces();
}
// aliases create multiple replaces/provides for one target so they can not use the shortcut below
if (isset($replaces[0]) || isset($provides[0])) {
foreach ($provides as $link) {
if ($link->getTarget() === $name && ($constraint === null || $constraint->matches($link->getConstraint()))) {
return $requireFilter->matches($link->getConstraint()) ? self::MATCH_PROVIDE : self::MATCH_FILTERED;
}
}
foreach ($replaces as $link) {
if ($link->getTarget() === $name && ($constraint === null || $constraint->matches($link->getConstraint()))) {
return $requireFilter->matches($link->getConstraint()) ? self::MATCH_REPLACE : self::MATCH_FILTERED;
}
}
return self::MATCH_NONE;
}
if (isset($provides[$name]) && ($constraint === null || $constraint->matches($provides[$name]->getConstraint()))) {
return $requireFilter->matches($provides[$name]->getConstraint()) ? self::MATCH_PROVIDE : self::MATCH_FILTERED;
}
if (isset($replaces[$name]) && ($constraint === null || $constraint->matches($replaces[$name]->getConstraint()))) {
return $requireFilter->matches($replaces[$name]->getConstraint()) ? self::MATCH_REPLACE : self::MATCH_FILTERED;
}
return self::MATCH_NONE;
}
private function match($candidate, $name, LinkConstraintInterface $constraint = null)
{
$candidateName = $candidate->getName();
$candidateVersion = $candidate->getVersion();
$isDev = $candidate->getStability() === 'dev';
$isAlias = $candidate instanceof AliasPackage;
if (!$isDev && !$isAlias && isset($this->filterRequires[$name])) {
$requireFilter = $this->filterRequires[$name];
} else {
$requireFilter = new EmptyConstraint();
}
if ($candidateName === $name) {
$pkgConstraint = new VersionConstraint('==', $candidateVersion);
if ($constraint === null || $constraint->matches($pkgConstraint)) {
return $requireFilter->matches($pkgConstraint) ? self::MATCH : self::MATCH_FILTERED;
}
return self::MATCH_NAME;
}
$provides = $candidate->getProvides();
$replaces = $candidate->getReplaces();
if (isset($replaces[0]) || isset($provides[0])) {
foreach ($provides as $link) {
if ($link->getTarget() === $name && ($constraint === null || $constraint->matches($link->getConstraint()))) {
return $requireFilter->matches($link->getConstraint()) ? self::MATCH_PROVIDE : self::MATCH_FILTERED;
}
}
foreach ($replaces as $link) {
if ($link->getTarget() === $name && ($constraint === null || $constraint->matches($link->getConstraint()))) {
return $requireFilter->matches($link->getConstraint()) ? self::MATCH_REPLACE : self::MATCH_FILTERED;
}
}
return self::MATCH_NONE;
}
if (isset($provides[$name]) && ($constraint === null || $constraint->matches($provides[$name]->getConstraint()))) {
return $requireFilter->matches($provides[$name]->getConstraint()) ? self::MATCH_PROVIDE : self::MATCH_FILTERED;
}
if (isset($replaces[$name]) && ($constraint === null || $constraint->matches($replaces[$name]->getConstraint()))) {
return $requireFilter->matches($replaces[$name]->getConstraint()) ? self::MATCH_REPLACE : self::MATCH_FILTERED;
}
return self::MATCH_NONE;
}
