public function testIsFollowedWorks()
{
$code = '<?php class A { public function foo(){} }';
$tokens = new TokenCollection(token_get_all($code));
$searcher = new Searcher();
$this->assertTrue($searcher->isFollowedBy(T_FUNCTION, 7, $tokens));
}
/**
* Extract infos from file
*
* @param $filename
* @return Result
*/
public function extract($filename)
{
$result = new Result();
$tokens = $this->tokenizer->tokenize($filename);
$nameResolver = new NameResolver();
// default current values
$class = $interface = $function = $method = null;
// $mapOfAliases = array();
$len = sizeof($tokens, COUNT_NORMAL);
for ($n = 0; $n < $len; $n++) {
$token = $tokens[$n];
switch ($token->getType()) {
case T_USE:
$alias = $this->extractors->alias->extract($n, $tokens);
if (null !== $alias->name && null !== $alias->alias) {
$nameResolver->pushAlias($alias);
}
break;
case T_NAMESPACE:
$namespace = '\\' . $this->searcher->getFollowingName($n, $tokens);
$this->extractors->class->setNamespace($namespace);
$this->extractors->interface->setNamespace($namespace);
break;
case T_INTERFACE:
$class = $this->extractors->interface->extract($n, $tokens);
$class->setNameResolver($nameResolver);
// push class AND in global AND in local class map
$this->result->pushClass($class);
$result->pushClass($class);
break;
case T_EXTENDS:
$i = $n;
$parent = $this->searcher->getFollowingName($i, $tokens);
$class->setParent(trim($parent));
break;
case T_CLASS:
$class = $this->extractors->class->extract($n, $tokens);
$class->setNameResolver($nameResolver);
// push class AND in global AND in local class map
$this->result->pushClass($class);
$result->pushClass($class);
break;
case T_FUNCTION:
if ($class) {
// avoid closure
$next = $tokens[$n + 1];
if (T_WHITESPACE != $next->getType()) {
continue;
}
$method = $this->extractors->method->extract($n, $tokens);
$method->setNameResolver($nameResolver);
$class->pushMethod($method);
}
break;
}
}
return $result;
}
/**
* Extract class from position
*
* @param $n
* @param TokenCollection $tokens
* @return ReflectedClass
*/
public function extract(&$n, TokenCollection $tokens)
{
// is abstract ?
$prev = $this->searcher->getPrevious($n, $tokens);
$isAbstract = $prev && T_ABSTRACT === $prev->getType();
$classname = $this->searcher->getFollowingName($n, $tokens);
$class = new ReflectedClass($this->namespace, trim($classname));
$class->setAbstract($isAbstract);
return $class;
}
/**
* Extract alias from position
*
* @param $n
* @param TokenCollection $tokens
* @return ReflectedMethod
*/
public function extract(&$n, TokenCollection $tokens)
{
$alias = $real = null;
$expression = $this->searcher->getUnder(array(';'), $n, $tokens);
if (preg_match('!use\\s+(.*)\\s+as\\s+(.*)!i', $expression, $matches)) {
list(, $real, $alias) = $matches;
} else {
if (preg_match('!use\\s+([^\\s\\(]+)\\s*!i', $expression, $matches)) {
list(, $real) = $matches;
$alias = $real;
}
}
return (object) array('name' => $real, 'alias' => $alias);
}
/**
* Extract dependency from call
*
* @param $n
* @param TokenCollection $tokens
* @return string
* @throws \LogicException
*/
public function extract(&$n, TokenCollection $tokens)
{
$token = $tokens[$n];
switch ($token->getType()) {
case T_PAAMAYIM_NEKUDOTAYIM:
$prev = $n - 1;
return $this->searcher->getUnder(array('::'), $prev, $tokens);
break;
case T_NEW:
return $this->searcher->getFollowingName($n, $tokens);
break;
}
throw new \LogicException('Classname of call not found');
}
/**
* Extract the list of returned values
*
* @param ReflectedMethod $method
* @return $this
*/
private function extractReturns(ReflectedMethod $method, $n, TokenCollection $tokens)
{
$resolver = new TypeResolver();
// PHP 7
// we cannot use specific token. The ":" delimiter is a T_STRING token
$following = $this->searcher->getUnder(array('{', ';'), $n, $tokens);
if (preg_match('!:(.*)!', $following, $matches)) {
$type = trim($matches[1]);
if (empty($type)) {
return $this;
}
$return = new ReflectedReturn($type, ReflectedReturn::VALUE_UNKNOW, ReflectedReturn::STRICT_TYPE_HINT);
$method->pushReturn($return);
return $this;
}
// array of available values based on code
if (preg_match_all('!([\\s;]return\\s|^return\\s+)(.*?);!', $method->getContent(), $matches)) {
foreach ($matches[2] as $m) {
$value = trim($m, ";\t\n\r\v");
$return = new ReflectedReturn($resolver->resolve($m), $value, ReflectedReturn::ESTIMATED_TYPE_HINT);
$method->pushReturn($return);
}
}
return $this;
}
/**
* Extract class from position
*
* @param $n
* @param TokenCollection $tokens
* @return ReflectedClass
*/
public function extract(&$n, TokenCollection $tokens)
{
// is PHP7 ?
$previous = $tokens->get($n - 2);
if ($previous && T_NEW === $previous->getType()) {
// anonymous class
$class = new ReflectedAnonymousClass($this->namespace, 'class@anonymous');
return $class;
}
// is abstract ?
$prev = $this->searcher->getPrevious($n, $tokens);
$isAbstract = $prev && T_ABSTRACT === $prev->getType();
$classname = $this->searcher->getFollowingName($n, $tokens);
$class = new ReflectedClass($this->namespace, trim($classname));
$class->setAbstract($isAbstract);
return $class;
}
/**
* Extracts content of method
*
* @param ReflectedMethod $method
* @param integer $n
* @param TokenCollection $tokens
* @return $this
*/
private function extractContent(ReflectedMethod $method, $n, TokenCollection $tokens)
{
$end = $this->searcher->getPositionOfClosingBrace($n, $tokens);
if ($end > 0) {
$collection = $tokens->extract($n, $end);
$method->setContent($collection->asString());
}
return $this;
}
/**
* Extract dependency from call
*
* @param $n
* @param TokenCollection $tokens
* @return string
* @throws \LogicException
*/
public function extract(&$n, TokenCollection $tokens)
{
$token = $tokens[$n];
switch ($token->getType()) {
case T_PAAMAYIM_NEKUDOTAYIM:
$prev = $n - 1;
$value = $this->searcher->getUnder(array('::'), $prev, $tokens);
if ($value === 'parent') {
$extendPosition = $this->searcher->getExtendPostition($tokens);
$parentName = $this->searcher->getFollowingName($extendPosition, $tokens);
return $parentName;
}
if ($value === 'self' || $value === 'static') {
$extendPosition = $this->searcher->getClassNamePosition($tokens);
$className = $this->searcher->getFollowingName($extendPosition, $tokens);
return $className;
}
return $value;
case T_NEW:
return $this->searcher->getFollowingName($n, $tokens);
}
throw new \LogicException('Classname of call not found');
}
/**
* Extract dependency from call
*
* @param $n
* @param TokenCollection $tokens
* @return string
* @throws \LogicException
*/
public function extract(&$n, TokenCollection $tokens)
{
$token = $tokens[$n];
$call = null;
switch ($token->getType()) {
case T_PAAMAYIM_NEKUDOTAYIM:
$prev = $n - 1;
$value = $this->searcher->getUnder(array('::'), $prev, $tokens);
switch (true) {
case $value == 'parent' && $this->currentClass:
return $this->currentClass->getParent();
case $value == 'parent':
// we try to get the name of the parent class
$extendPosition = $this->searcher->getExtendPosition($tokens, $n);
return $this->searcher->getFollowingName($extendPosition, $tokens);
case ($value == 'static' || $value === 'self') && $this->currentClass:
return $this->currentClass->getFullname();
case $value == 'static' || $value === 'self':
$extendPosition = $this->searcher->getClassNamePosition($tokens);
return $this->searcher->getFollowingName($extendPosition, $tokens);
default:
return $value;
}
case T_NEW:
$call = $this->searcher->getFollowingName($n, $tokens);
if (preg_match('!^(\\w+)!', $call, $matches)) {
// fixes PHP 5.4: (new MyClass)->foo()
$call = $matches[1];
}
break;
}
if (null === $call) {
throw new \LogicException('Classname of call not found');
}
return $call;
}
/**
* Extract infos from file
*
* @param TokenCollection $tokens
* @return Result
*/
public function extract($tokens)
{
$result = new Result();
$nameResolver = new NameResolver();
// default current values
$class = $interface = $function = $namespace = $method = null;
$len = sizeof($tokens, COUNT_NORMAL);
$endAnonymous = 0;
$mainContextClass = null;
// class containing a anonymous class
for ($n = 0; $n < $len; $n++) {
if ($mainContextClass && $n > $endAnonymous) {
// anonymous class is finished. We back to parent class
// methods will be added to the main class now
$class = $mainContextClass;
$mainContextClass = null;
}
$token = $tokens[$n];
switch ($token->getType()) {
case T_USE:
$alias = $this->extractors->alias->extract($n, $tokens);
if (null !== $alias->name && null !== $alias->alias) {
$nameResolver->pushAlias($alias);
}
break;
case T_NAMESPACE:
$namespace = '\\' . $this->searcher->getFollowingName($n, $tokens);
$this->extractors->class->setNamespace($namespace);
$this->extractors->interface->setNamespace($namespace);
break;
case T_INTERFACE:
$class = $this->extractors->interface->extract($n, $tokens);
$class->setNameResolver($nameResolver);
// push class AND in global AND in local class map
$this->result->pushClass($class);
$result->pushClass($class);
break;
case T_EXTENDS:
$i = $n;
$parent = $this->searcher->getFollowingName($i, $tokens);
$class->setParent(trim($parent));
break;
case T_IMPLEMENTS:
$i = $n + 1;
$contracts = $this->searcher->getUnder(array('{'), $i, $tokens);
$contracts = explode(',', $contracts);
$contracts = array_map('trim', $contracts);
$class->setInterfaces($contracts);
break;
case T_CLASS:
$i = $n;
// avoid MyClass::class syntax
if ($this->searcher->isPrecededBy(T_DOUBLE_COLON, $i, $tokens, 1)) {
continue;
}
$c = $this->extractors->class->extract($n, $tokens);
$c->setNameResolver($nameResolver);
// push class AND in global AND in local class map
$this->result->pushClass($c);
$result->pushClass($c);
// PHP 7 and inner classes
if ($c instanceof ReflectedAnonymousClass) {
// avoid to consider anonymous class as main class
$p = $n;
$endAnonymous = $this->searcher->getPositionOfClosingBrace($p, $tokens);
$mainContextClass = $class;
// add anonymous class in method
if ($method) {
$method->pushAnonymousClass($c);
}
}
$class = $c;
break;
case T_FUNCTION:
if ($class) {
// avoid closure
$next = $tokens[$n + 1];
if (T_WHITESPACE != $next->getType()) {
continue;
}
$method = $this->extractors->method->extract($n, $tokens, $class);
$method->setNamespace($namespace);
$class->pushMethod($method);
}
break;
}
}
return $result;
}
/**
* Extract class from position
*
* @param $n
* @param TokenCollection $tokens
* @return ReflectedInterface
*/
public function extract(&$n, TokenCollection $tokens)
{
$classname = $this->searcher->getFollowingName($n, $tokens);
return new ReflectedInterface($this->namespace, trim($classname));
}
