function ViewExecutable::_buildArguments

Builds all the arguments.

Return value

bool TRUE if the arguments were built successfully, FALSE otherwise.

File

core/modules/views/src/ViewExecutable.php, line 1118

Class

ViewExecutable

Represents a view as a whole.

Namespace

Code

protected function _buildArguments() {
    // Initially, we want to build sorts and fields. This can change, though,
    // if we get a summary view.
    if (empty($this->argument)) {
        return TRUE;
    }
    // Build arguments.
    $position = -1;
    $substitutions = [];
    $status = TRUE;
    // Get the title.
    $title = $this->display_handler
        ->getOption('title');
    // Iterate through each argument and process.
    foreach ($this->argument as $id => $arg) {
        $position++;
        $argument = $this->argument[$id];
        if ($argument->broken()) {
            continue;
        }
        $argument->setRelationship();
        $arg = $this->args[$position] ?? NULL;
        $argument->position = $position;
        if (isset($arg) || $argument->hasDefaultArgument()) {
            if (!isset($arg)) {
                $arg = $argument->getDefaultArgument();
                // Make sure default args get put back.
                if (isset($arg)) {
                    $this->args[$position] = $arg;
                }
                // Remember that this argument was computed, not passed on the URL.
                $argument->is_default = TRUE;
            }
            // Set the argument, which ensures that the argument is valid and
            // possibly transforms the value.
            if (!$argument->setArgument($arg)) {
                $status = $argument->validateFail($arg);
                break;
            }
            if ($argument->isException()) {
                $arg_title = $argument->exceptionTitle();
            }
            else {
                $arg_title = $argument->getTitle();
                $argument->query($this->display_handler
                    ->useGroupBy());
            }
            // Add this argument's substitution.
            $substitutions["{{ arguments.{$id} }}"] = $arg_title;
            // Since argument validator plugins can potentially transform the value,
            // use whatever value the argument handler now has, not the raw value.
            $substitutions["{{ raw_arguments.{$id} }}"] = strip_tags(Html::decodeEntities($argument->getValue()));
            // Test to see if we should use this argument's title
            if (!empty($argument->options['title_enable']) && !empty($argument->options['title'])) {
                $title = $argument->options['title'];
            }
        }
        else {
            // Determine default condition and handle.
            $status = $argument->defaultAction();
            break;
        }
        // Be safe with references and loops:
        unset($argument);
    }
    // Set the title in the build info.
    if (!empty($title)) {
        $this->build_info['title'] = $title;
    }
    // Store the arguments for later use.
    $this->build_info['substitutions'] = $substitutions;
    return $status;
}