/** * Present a node question to the user * * @param NodeInterface $node The node in question * @param string $name The name of the node * @return mixed The new value of the node */ private function writeNodeQuestion($node, $name) { if (!$this->questionInfoShown) { $this->io->write(array("<comment> ! [NOTE] You can change all the configuration options later", " ! on the config.yml file in the app folder</>\n")); $this->questionInfoShown = true; } if (!$node->getAttribute('asked')) { return $node->getDefaultValue(); } $this->writeWarning($node); if ($info = $node->getInfo()) { $this->io->write(" {$info}"); } if ($example = $node->getExample()) { // We use Inline::dump() to convert the value to the YAML // format so that it is readable by the user (as an example, // false values are converted to 'false' instead of an empty // string) $example = Inline::dump($example); $this->io->write(" Example: <comment>{$example}</comment>"); } $question = " <fg=green>{$name}"; if ($node instanceof EnumNode) { // Create list of possible values for enum configuration parameters $values = $node->getValues(); foreach ($values as &$value) { $value = Inline::dump($value); } $question .= ' (' . implode(', ', $values) . ')'; } $question .= "</fg=green>"; if ($node->hasDefaultValue()) { // Show the default value of the parameter $default = Inline::dump($node->getDefaultValue()); $question .= " [<comment>{$default}</comment>]"; } else { $default = null; } // Show a user-friendly prompt $question .= ":\n > "; $value = $this->io->askAndValidate($question, function ($value) use($node) { $value = Inline::parse($value); // Make sure that there are no errors $node->finalize($value); return $value; }, null, $default); $this->io->write(""); return $value; }