Differential D20445 Diff 48828 src/applications/fact/chart/PhabricatorChartFunctionArgument.php

Changeset View

Standalone View

src/applications/fact/chart/PhabricatorChartFunctionArgument.php

This file was added.

				<?php

				final class PhabricatorChartFunctionArgument
				extends Phobject {

				private $name;
				private $type;

				public function setName($name) {
				$this->name = $name;
				return $this;
				}

				public function getName() {
				return $this->name;
				}

				public function setType($type) {
				$types = array(
				'fact-key' => true,
				'function' => true,
				'number' => true,
				);

				if (!isset($types[$type])) {
				throw new Exception(
				pht(
				'Chart function argument type "%s" is unknown. Valid types '.
				'are: %s.',
				$type,
				implode(', ', array_keys($types))));
				}

				$this->type = $type;
				return $this;
				}

				public function getType() {
				return $this->type;
				}

				public function newValue($value) {
				switch ($this->getType()) {
				case 'fact-key':
				if (!is_string($value)) {
				throw new Exception(
				pht(
				'Value for "fact-key" argument must be a string, got %s.',
				phutil_describe_type($value)));
				}

				$facts = PhabricatorFact::getAllFacts();
				$fact = idx($facts, $value);
				if (!$fact) {
				throw new Exception(
				pht(
				'Fact key "%s" is not a known fact key.',
				$value));
				}

				return $fact;
				case 'function':
				// If this is already a function object, just return it.
				if ($value instanceof PhabricatorChartFunction) {
				return $value;
				}

				if (!is_array($value)) {
				throw new Exception(
				pht(
				'Value for "function" argument must be a function definition, '.
				'formatted as a list, like: [fn, arg1, arg, ...]. Actual value '.
				'is %s.',
				phutil_describe_type($value)));
				}

				if (!phutil_is_natural_list($value)) {
				throw new Exception(
				pht(
				'Value for "function" argument must be a natural list, not '.
				'a dictionary. Actual value is "%s".',
				phutil_describe_type($value)));
				}

				if (!$value) {
				throw new Exception(
				pht(
				'Value for "function" argument must be a list with a function '.
				'name; got an empty list.'));
				}

				$function_name = array_shift($value);

				if (!is_string($function_name)) {
				throw new Exception(
				pht(
				'Value for "function" argument must be a natural list '.
				'beginning with a function name as a string. The first list '.
				'item has the wrong type, %s.',
				phutil_describe_type($function_name)));
				}

				$functions = PhabricatorChartFunction::getAllFunctions();
				if (!isset($functions[$function_name])) {
				throw new Exception(
				pht(
				'Function "%s" is unknown. Valid functions are: %s',
				$function_name,
				implode(', ', array_keys($functions))));
				}

				return id(clone $functions[$function_name])
				->setArguments($value);
				case 'number':
				if (!is_float($value) && !is_int($value)) {
				throw new Exception(
				pht(
				'Value for "number" argument must be an integer or double, '.
				'got %s.',
				phutil_describe_type($value)));
				}

				return $value;
				}

				throw new PhutilMethodNotImplementedException();
				}

				}