ArcanistListConfigOption.php
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ArcanistListConfigOption.php
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	<?php

	abstract class ArcanistListConfigOption
	extends ArcanistSingleSourceConfigOption {

	final public function getStorageValueFromStringValue($value) {
	try {
	$json_value = phutil_json_decode($value);
	} catch (PhutilJSONParserException $ex) {
	throw new PhutilArgumentUsageException(
	pht(
	'Value "%s" is not valid, specify a JSON list: %s',
	$value,
	$ex->getMessage()));
	}

	if (!is_array($json_value) \|\| !phutil_is_natural_list($json_value)) {
	throw new PhutilArgumentUsageException(
	pht(
	'Value "%s" is not valid: expected a list, got "%s".',
	$value,
	phutil_describe_type($json_value)));
	}

	foreach ($json_value as $idx => $item) {
	$this->validateListItem($idx, $item);
	}

	return $json_value;
	}

	final public function getValueFromStorageValue($value) {
	if (!is_array($value)) {
	throw new Exception(pht('Expected a list!'));
	}

	if (!phutil_is_natural_list($value)) {
	throw new Exception(pht('Expected a natural list!'));
	}

	foreach ($value as $idx => $item) {
	$this->validateListItem($idx, $item);
	}

	return $value;
	}

	public function getDisplayValueFromValue($value) {
	return json_encode($value);
	}

	public function getStorageValueFromValue($value) {
	return $value;
	}

	abstract protected function validateListItem($idx, $item);

	}