<?php
/*
Copyright (c) 2009 hamcrest.org
*/
/**
* Represents a single static factory method from a {@link Matcher} class.
*
* @todo Search method in file contents for func_get_args() to replace factoryVarArgs.
*/
class FactoryMethod
{
/**
* @var FactoryClass
*/
private $class;
/**
* @var ReflectionMethod
*/
private $reflector;
/**
* @var array of string
*/
private $comment;
/**
* @var bool
*/
private $isVarArgs;
/**
* @var array of FactoryCall
*/
private $calls;
/**
* @var array FactoryParameter
*/
private $parameters;
public function __construct(FactoryClass $class, ReflectionMethod $reflector)
{
$this->class = $class;
$this->reflector = $reflector;
$this->extractCommentWithoutLeadingShashesAndStars();
$this->extractFactoryNamesFromComment();
$this->extractParameters();
}
public function extractCommentWithoutLeadingShashesAndStars()
{
$this->comment = explode("\n", $this->reflector->getDocComment());
foreach ($this->comment as &$line) {
$line = preg_replace('#^\s*(/\\*+|\\*+/|\\*)\s?#', '', $line);
}
$this->trimLeadingBlankLinesFromComment();
$this->trimTrailingBlankLinesFromComment();
}
public function trimLeadingBlankLinesFromComment()
{
while (count($this->comment) > 0) {
$line = array_shift($this->comment);
if (trim($line) != '') {
array_unshift($this->comment, $line);
break;
}
}
}
public function trimTrailingBlankLinesFromComment()
{
while (count($this->comment) > 0) {
$line = array_pop($this->comment);
if (trim($line) != '') {
array_push($this->comment, $line);
break;
}
}
}
public function extractFactoryNamesFromComment()
{
$this->calls = array();
for ($i = 0; $i < count($this->comment); $i++) {
if ($this->extractFactoryNamesFromLine($this->comment[$i])) {
unset($this->comment[$i]);
}
}
$this->trimTrailingBlankLinesFromComment();
}
public function extractFactoryNamesFromLine($line)
{
if (preg_match('/^\s*@factory(\s+(.+))?$/', $line, $match)) {
$this->createCalls(
$this->extractFactoryNamesFromAnnotation(
isset($match[2]) ? trim($match[2]) : null
)
);
return true;
}
return false;
}
public function extractFactoryNamesFromAnnotation($value)
{
$primaryName = $this->reflector->getName();
if (empty($value)) {
return array($primaryName);
}
preg_match_all('/(\.{3}|-|[a-zA-Z_][a-zA-Z_0-9]*)/', $value, $match);
$names = $match[0];
if (in_array('...', $names)) {
$this->isVarArgs = true;
}
if (!in_array('-', $names) && !in_array($primaryName, $names)) {
array_unshift($names, $primaryName);
}
return $names;
}
public function createCalls(array $names)
{
$names = array_unique($names);
foreach ($names as $name) {
if ($name != '-' && $name != '...') {
$this->calls[] = new FactoryCall($this, $name);
}
}
}
public function extractParameters()
{
$this->parameters = array();
if (!$this->isVarArgs) {
foreach ($this->reflector->getParameters() as $parameter) {
$this->parameters[] = new FactoryParameter($this, $parameter);
}
}
}
public function getParameterDeclarations()
{
if ($this->isVarArgs || !$this->hasParameters()) {
return '';
}
$params = array();
foreach ($this->parameters as /** @var $parameter FactoryParameter */
$parameter) {
$params[] = $parameter->getDeclaration();
}
return implode(', ', $params);
}
public function getParameterInvocations()
{
if ($this->isVarArgs) {
return '';
}
$params = array();
foreach ($this->parameters as $parameter) {
$params[] = $parameter->getInvocation();
}
return implode(', ', $params);
}
public function getClass()
{
return $this->class;
}
public function getClassName()
{
return $this->class->getName();
}
public function getName()
{
return $this->reflector->name;
}
public function isFactory()
{
return count($this->calls) > 0;
}
public function getCalls()
{
return $this->calls;
}
public function acceptsVariableArguments()
{
return $this->isVarArgs;
}
public function hasParameters()
{
return !empty($this->parameters);
}
public function getParameters()
{
return $this->parameters;
}
public function getFullName()
{
return $this->getClassName() . '::' . $this->getName();
}
public function getCommentText()
{
return implode(PHP_EOL, $this->comment);
}
public function getComment($indent = '')
{
$comment = $indent . '/**';
foreach ($this->comment as $line) {
$comment .= PHP_EOL . rtrim($indent . ' * ' . $line);
}
$comment .= PHP_EOL . $indent . ' */';
return $comment;
}
}
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