AlmanacNames.php
2fc7203dc742production

AlmanacNames.php
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			<?php

			final class AlmanacNames extends Phobject {

			public static function validateName($name) {
			if (strlen($name) < 3) {
			throw new Exception(
			pht(
			'Almanac service, device, property and namespace names must be '.
			'at least 3 characters long.'));
			}

			if (strlen($name) > 100) {
			throw new Exception(
			pht(
			'Almanac service, device, property and namespace names may not '.
			'be more than 100 characters long.'));
			}

			if (!preg_match('/^[a-z0-9.-]+\z/', $name)) {
			throw new Exception(
			pht(
			'Almanac service, device, property and namespace names may only '.
			'contain lowercase letters, numbers, hyphens, and periods.'));
			}

			if (preg_match('/(^\|\\.)\d+(\z\|\\.)/', $name)) {
			throw new Exception(
			pht(
			'Almanac service, device, property and namespace names may not '.
			'have any segments containing only digits.'));
			}

			if (preg_match('/\.\./', $name)) {
			throw new Exception(
			pht(
			'Almanac service, device, property and namespace names may not '.
			'contain multiple consecutive periods.'));
			}

			if (preg_match('/\\.-\|-\\./', $name)) {
			throw new Exception(
			pht(
			'Almanac service, device, property and namespace names may not '.
			'contain hyphens adjacent to periods.'));
			}

			if (preg_match('/--/', $name)) {
			throw new Exception(
			pht(
			'Almanac service, device, property and namespace names may not '.
			'contain multiple consecutive hyphens.'));
			}

			if (!preg_match('/^[a-z0-9].*[a-z0-9]\z/', $name)) {
			throw new Exception(
			pht(
			'Almanac service, device, property and namespace names must begin '.
			'and end with a letter or number.'));
			}
			}

			}