marc-leopold/cms/plugins/rainlab/builder/classes/ControllerFileParser.php

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2019-02-25 14:56:59 +00:00
<?php namespace RainLab\Builder\Classes;
/**
* Parses controller source files.
*
* @package rainlab\builder
* @author Alexey Bobkov, Samuel Georges
*/
class ControllerFileParser
{
protected $stream;
public function __construct($fileContents)
{
$this->stream = new PhpSourceStream($fileContents);
}
public function listBehaviors()
{
$this->stream->reset();
while ($this->stream->forward()) {
$tokenCode = $this->stream->getCurrentCode();
if ($tokenCode == T_PUBLIC) {
$behaviors = $this->extractBehaviors();
if ($behaviors !== false) {
return $behaviors;
}
}
}
}
public function getStringPropertyValue($property)
{
$this->stream->reset();
while ($this->stream->forward()) {
$tokenCode = $this->stream->getCurrentCode();
if ($tokenCode == T_PUBLIC) {
$value = $this->extractPropertyValue($property);
if ($value !== false) {
return $value;
}
}
}
}
protected function extractBehaviors()
{
if ($this->stream->getNextExpected(T_WHITESPACE) === null) {
return false;
}
if ($this->stream->getNextExpected(T_VARIABLE) === null) {
return false;
}
if ($this->stream->getCurrentText() != '$implement') {
return false;
}
if ($this->stream->getNextExpectedTerminated(['=', T_WHITESPACE], ['[', T_ARRAY]) === null) {
return false;
}
if ($this->stream->getCurrentText() === 'array') {
// For the array syntax 'array(' - forward to the next
// character after the opening bracket
if ($this->stream->getNextExpectedTerminated(['(', T_WHITESPACE], [T_CONSTANT_ENCAPSED_STRING]) === null) {
return false;
}
$this->stream->back();
}
$result = [];
while ($line = $this->stream->getNextExpectedTerminated([T_CONSTANT_ENCAPSED_STRING, T_WHITESPACE], [',', ']', ')'])) {
$line = $this->stream->unquotePhpString(trim($line));
if (!strlen($line)) {
continue;
}
$result[] = $this->normalizeBehaviorClassName($line);
}
return $result;
}
protected function extractPropertyValue($property)
{
if ($this->stream->getNextExpected(T_WHITESPACE) === null) {
return false;
}
if ($this->stream->getNextExpected(T_VARIABLE) === null) {
return false;
}
if ($this->stream->getCurrentText() != '$'.$property) {
return false;
}
if ($this->stream->getNextExpectedTerminated(['=', T_WHITESPACE], [T_CONSTANT_ENCAPSED_STRING]) === null) {
return null;
}
$value = trim($this->stream->getCurrentText());
$value = $this->stream->unquotePhpString($value);
if ($value === false) {
return null;
}
return $value;
}
protected function normalizeBehaviorClassName($className)
{
$className = str_replace('.', '\\', trim($className));
return ltrim($className, '\\');
}
}