function JsonManipulator::addLink

File

vendor/composer/composer/src/Composer/Json/JsonManipulator.php, line 60

Class

JsonManipulator

@author Jordi Boggiano <j.boggiano@seld.be>

Namespace

Composer\Json

Code

public function addLink(string $type, string $package, string $constraint, bool $sortPackages = false) : bool {
    $decoded = JsonFile::parseJson($this->contents);
    // no link of that type yet
    if (!isset($decoded[$type])) {
        return $this->addMainKey($type, [
            $package => $constraint,
        ]);
    }
    $regex = '{' . self::DEFINES . '^(?P<start>\\s*\\{\\s*(?:(?&string)\\s*:\\s*(?&json)\\s*,\\s*)*?)' . '(?P<property>' . preg_quote(JsonFile::encode($type)) . '\\s*:\\s*)(?P<value>(?&json))(?P<end>.*)}sx';
    if (!Preg::isMatch($regex, $this->contents, $matches)) {
        return false;
    }
    assert(is_string($matches['start']));
    assert(is_string($matches['value']));
    assert(is_string($matches['end']));
    $links = $matches['value'];
    // try to find existing link
    $packageRegex = str_replace('/', '\\\\?/', preg_quote($package));
    $regex = '{' . self::DEFINES . '"(?P<package>' . $packageRegex . ')"(\\s*:\\s*)(?&string)}ix';
    if (Preg::isMatch($regex, $links, $packageMatches)) {
        assert(is_string($packageMatches['package']));
        // update existing link
        $existingPackage = $packageMatches['package'];
        $packageRegex = str_replace('/', '\\\\?/', preg_quote($existingPackage));
        $links = Preg::replaceCallback('{' . self::DEFINES . '"' . $packageRegex . '"(?P<separator>\\s*:\\s*)(?&string)}ix', static function ($m) use ($existingPackage, $constraint) : string {
            return JsonFile::encode(str_replace('\\/', '/', $existingPackage)) . $m['separator'] . '"' . $constraint . '"';
        }, $links);
    }
    else {
        if (Preg::isMatchStrictGroups('#^\\s*\\{\\s*\\S+.*?(\\s*\\}\\s*)$#s', $links, $match)) {
            // link missing but non empty links
            $links = Preg::replace('{' . preg_quote($match[1]) . '$}', addcslashes(',' . $this->newline . $this->indent . $this->indent . JsonFile::encode($package) . ': ' . JsonFile::encode($constraint) . $match[1], '\\$'), $links);
        }
        else {
            // links empty
            $links = '{' . $this->newline . $this->indent . $this->indent . JsonFile::encode($package) . ': ' . JsonFile::encode($constraint) . $this->newline . $this->indent . '}';
        }
    }
    if (true === $sortPackages) {
        $requirements = json_decode($links, true);
        $this->sortPackages($requirements);
        $links = $this->format($requirements);
    }
    $this->contents = $matches['start'] . $matches['property'] . $links . $matches['end'];
    return true;
}