AnnotationClassFileReader::checkFileAvailability()   A
last analyzed

Complexity

Conditions 2
Paths 2

Size

Total Lines 5
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 5
ccs 4
cts 4
cp 1
rs 9.4285
c 0
b 0
f 0
cc 2
eloc 3
nc 2
nop 1
crap 2
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<?php
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/*
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 * Copyright (c) 2011-2015, Celestino Diaz <[email protected]>
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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namespace Brickoo\Component\Annotation;
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use Brickoo\Component\Annotation\Exception\FileDoesNotExistException;
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use Brickoo\Component\Annotation\Exception\UnableToLocateQualifiedClassNameException;
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use Brickoo\Component\Common\Collection;
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use Brickoo\Component\Common\Assert;
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use ReflectionClass;
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/**
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 * AnnotationClassFileReader
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 *
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 * Implements an annotation reader for class files.
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 * @author Celestino Diaz <[email protected]>
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 */
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class AnnotationClassFileReader {
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    /** @var \Brickoo\Component\Annotation\AnnotationReflectionClassReader */
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    private $annotationReflectionReader;
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    /**
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     * Class constructor.
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     * @param \Brickoo\Component\Annotation\AnnotationReflectionClassReader $annotationReflectionReader
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     */
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    public function __construct(AnnotationReflectionClassReader $annotationReflectionReader) {
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        $this->annotationReflectionReader = $annotationReflectionReader;
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    }
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    /**
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     *
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     * @param \Brickoo\Component\Common\Collection $collection
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     * @param string $filename
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     * @throws \Brickoo\Component\Annotation\Exception\FileDoesNotExistException
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     * @throws \Brickoo\Component\Annotation\Exception\UnableToLocateQualifiedClassNameException
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     * @return \Brickoo\Component\Annotation\AnnotationReaderResult
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     */
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    public function getAnnotations(Collection $collection, $filename) {
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        Assert::isString($filename);
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        $reflectionClass = $this->getReflectionClass($filename);
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        return $this->annotationReflectionReader->getAnnotations($collection, $reflectionClass);
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    }
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    /**
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     * Returns the corresponding reflection class.
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     * @param string $filename
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     * @throws \Brickoo\Component\Annotation\Exception\UnableToLocateQualifiedClassNameException
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     * @return \ReflectionClass
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     */
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    private function getReflectionClass($filename) {
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        $this->checkFileAvailability($filename);
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        $fileContent = file_get_contents($filename);
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        $qualifiedName = sprintf("%s%s",
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            $this->getNamespace($fileContent),
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            $this->getClassName($fileContent)
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        );
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        if (preg_match("~^[\\\\][a-zA-Z_\x7f-\xff][\\\\\\w\x7f-\xff]+$~", $qualifiedName) == 0) {
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            throw new UnableToLocateQualifiedClassNameException($filename);
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        }
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        include $filename;
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        return new ReflectionClass($qualifiedName);
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    }
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    /**
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     * Checks if the file exists and is readable.
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     * @param string $filename
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     * @throws \Brickoo\Component\Annotation\Exception\FileDoesNotExistException
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     * @return void
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     */
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    private function checkFileAvailability($filename) {
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        if (!is_readable($filename)) {
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            throw new FileDoesNotExistException($filename);
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        }
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    }
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    /**
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     * Returns the file namespace.
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     * @param string $fileContent
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     * @return string the file namespace
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     */
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    private function getNamespace($fileContent) {
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        $matches = null;
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        $namespace = "\\";
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        preg_match("~namespace\\s+(?<namespace>[a-zA-Z_\x7f-\xff][\\\\\\w\x7f-\xff]+)\\s*[\\;\\{]{1}~i", $fileContent, $matches);
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        if (isset($matches["namespace"]) && (!empty($matches["namespace"]))) {
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            $namespace .= $matches["namespace"]."\\";
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        }
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        return $namespace;
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    }
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    /**
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     * Returns the class name.
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     * @param string $fileContent
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     * @return string the class name
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     */
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    private function getClassName($fileContent) {
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        $matches = null;
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        preg_match("~[\r\n][a-z\\s]*class\\s+(?<class>[a-zA-Z_\x7f-\xff][\\w\x7f-\xff]+)[\\w\\s,]*\\s*\\{~i", $fileContent, $matches);
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        return isset($matches["class"]) ? trim($matches["class"]) : "";
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    }
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}
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