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