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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------
namespace think\console\command\optimize;
use think\App;
use think\Config;
use think\console\Command;
use think\console\Input;
use think\console\Output;
class Autoload extends Command
{
protected function configure()
{
$this->setName('optimize:autoload')
->setDescription('Optimizes PSR0 and PSR4 packages to be loaded with classmaps too, good for production.');
}
protected function execute(Input $input, Output $output)
{
$classmapFile = <<<EOF
<?php
/**
* 类库映射
*/
return [
EOF;
$namespacesToScan = [
App::$namespace . '\\' => realpath(rtrim(APP_PATH)),
'think\\' => LIB_PATH . 'think',
'behavior\\' => LIB_PATH . 'behavior',
'traits\\' => LIB_PATH . 'traits',
'' => realpath(rtrim(EXTEND_PATH)),
];
$root_namespace = Config::get('root_namespace');
foreach ($root_namespace as $namespace => $dir) {
$namespacesToScan[$namespace . '\\'] = realpath($dir);
}
krsort($namespacesToScan);
$classMap = [];
foreach ($namespacesToScan as $namespace => $dir) {
if (!is_dir($dir)) {
continue;
}
$namespaceFilter = $namespace === '' ? null : $namespace;
$classMap = $this->addClassMapCode($dir, $namespaceFilter, $classMap);
}
ksort($classMap);
foreach ($classMap as $class => $code) {
$classmapFile .= ' ' . var_export($class, true) . ' => ' . $code;
}
$classmapFile .= "];\n";
if (!is_dir(RUNTIME_PATH)) {
@mkdir(RUNTIME_PATH, 0755, true);
}
file_put_contents(RUNTIME_PATH . 'classmap' . EXT, $classmapFile);
$output->writeln('<info>Succeed!</info>');
}
protected function addClassMapCode($dir, $namespace, $classMap)
{
foreach ($this->createMap($dir, $namespace) as $class => $path) {
$pathCode = $this->getPathCode($path) . ",\n";
if (!isset($classMap[$class])) {
$classMap[$class] = $pathCode;
} elseif ($classMap[$class] !== $pathCode && !preg_match('{/(test|fixture|example|stub)s?/}i', strtr($classMap[$class] . ' ' . $path, '\\', '/'))) {
$this->output->writeln(
'<warning>Warning: Ambiguous class resolution, "' . $class . '"' .
' was found in both "' . str_replace(["',\n"], [
'',
], $classMap[$class]) . '" and "' . $path . '", the first will be used.</warning>'
);
}
}
return $classMap;
}
protected function getPathCode($path)
{
$baseDir = '';
$libPath = $this->normalizePath(realpath(LIB_PATH));
$appPath = $this->normalizePath(realpath(APP_PATH));
$extendPath = $this->normalizePath(realpath(EXTEND_PATH));
$rootPath = $this->normalizePath(realpath(ROOT_PATH));
$path = $this->normalizePath($path);
if ($libPath !== null && strpos($path, $libPath . '/') === 0) {
$path = substr($path, strlen(LIB_PATH));
$baseDir = 'LIB_PATH';
} elseif ($appPath !== null && strpos($path, $appPath . '/') === 0) {
$path = substr($path, strlen($appPath) + 1);
$baseDir = 'APP_PATH';
} elseif ($extendPath !== null && strpos($path, $extendPath . '/') === 0) {
$path = substr($path, strlen($extendPath) + 1);
$baseDir = 'EXTEND_PATH';
} elseif ($rootPath !== null && strpos($path, $rootPath . '/') === 0) {
$path = substr($path, strlen($rootPath) + 1);
$baseDir = 'ROOT_PATH';
}
if ($path !== false) {
$baseDir .= " . ";
}
return $baseDir . (($path !== false) ? var_export($path, true) : "");
}
protected function normalizePath($path)
{
if ($path === false) {
return;
}
$parts = [];
$path = strtr($path, '\\', '/');
$prefix = '';
$absolute = false;
if (preg_match('{^([0-9a-z]+:(?://(?:[a-z]:)?)?)}i', $path, $match)) {
$prefix = $match[1];
$path = substr($path, strlen($prefix));
}
if (substr($path, 0, 1) === '/') {
$absolute = true;
$path = substr($path, 1);
}
$up = false;
foreach (explode('/', $path) as $chunk) {
if ('..' === $chunk && ($absolute || $up)) {
array_pop($parts);
$up = !(empty($parts) || '..' === end($parts));
} elseif ('.' !== $chunk && '' !== $chunk) {
$parts[] = $chunk;
$up = '..' !== $chunk;
}
}
return $prefix . ($absolute ? '/' : '') . implode('/', $parts);
}
protected function createMap($path, $namespace = null)
{
if (is_string($path)) {
if (is_file($path)) {
$path = [new \SplFileInfo($path)];
} elseif (is_dir($path)) {
$objects = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path), \RecursiveIteratorIterator::SELF_FIRST);
$path = [];
/** @var \SplFileInfo $object */
foreach ($objects as $object) {
if ($object->isFile() && $object->getExtension() == 'php') {
$path[] = $object;
}
}
} else {
throw new \RuntimeException(
'Could not scan for classes inside "' . $path .
'" which does not appear to be a file nor a folder'
);
}
}
$map = [];
/** @var \SplFileInfo $file */
foreach ($path as $file) {
$filePath = $file->getRealPath();
if (pathinfo($filePath, PATHINFO_EXTENSION) != 'php') {
continue;
}
$classes = $this->findClasses($filePath);
foreach ($classes as $class) {
if (null !== $namespace && 0 !== strpos($class, $namespace)) {
continue;
}
if (!isset($map[$class])) {
$map[$class] = $filePath;
} elseif ($map[$class] !== $filePath && !preg_match('{/(test|fixture|example|stub)s?/}i', strtr($map[$class] . ' ' . $filePath, '\\', '/'))) {
$this->output->writeln(
'<warning>Warning: Ambiguous class resolution, "' . $class . '"' .
' was found in both "' . $map[$class] . '" and "' . $filePath . '", the first will be used.</warning>'
);
}
}
}
return $map;
}
protected function findClasses($path)
{
$extraTypes = '|trait';
$contents = @php_strip_whitespace($path);
if (!$contents) {
if (!file_exists($path)) {
$message = 'File at "%s" does not exist, check your classmap definitions';
} elseif (!is_readable($path)) {
$message = 'File at "%s" is not readable, check its permissions';
} elseif ('' === trim(file_get_contents($path))) {
return [];
} else {
$message = 'File at "%s" could not be parsed as PHP, it may be binary or corrupted';
}
$error = error_get_last();
if (isset($error['message'])) {
$message .= PHP_EOL . 'The following message may be helpful:' . PHP_EOL . $error['message'];
}
throw new \RuntimeException(sprintf($message, $path));
}
if (!preg_match('{\b(?:class|interface' . $extraTypes . ')\s}i', $contents)) {
return [];
}
// strip heredocs/nowdocs
$contents = preg_replace('{<<<\s*(\'?)(\w+)\\1(?:\r\n|\n|\r)(?:.*?)(?:\r\n|\n|\r)\\2(?=\r\n|\n|\r|;)}s', 'null', $contents);
// strip strings
$contents = preg_replace('{"[^"\\\\]*+(\\\\.[^"\\\\]*+)*+"|\'[^\'\\\\]*+(\\\\.[^\'\\\\]*+)*+\'}s', 'null', $contents);
// strip leading non-php code if needed
if (substr($contents, 0, 2) !== '<?') {
$contents = preg_replace('{^.+?<\?}s', '<?', $contents, 1, $replacements);
if ($replacements === 0) {
return [];
}
}
// strip non-php blocks in the file
$contents = preg_replace('{\?>.+<\?}s', '?><?', $contents);
// strip trailing non-php code if needed
$pos = strrpos($contents, '?>');
if (false !== $pos && false === strpos(substr($contents, $pos), '<?')) {
$contents = substr($contents, 0, $pos);
}
preg_match_all('{
(?:
\b(?<![\$:>])(?P<type>class|interface' . $extraTypes . ') \s++ (?P<name>[a-zA-Z_\x7f-\xff:][a-zA-Z0-9_\x7f-\xff:\-]*+)
| \b(?<![\$:>])(?P<ns>namespace) (?P<nsname>\s++[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\s*+\\\\\s*+[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+)? \s*+ [\{;]
)
}ix', $contents, $matches);
$classes = [];
$namespace = '';
for ($i = 0, $len = count($matches['type']); $i < $len; $i++) {
if (!empty($matches['ns'][$i])) {
$namespace = str_replace([' ', "\t", "\r", "\n"], '', $matches['nsname'][$i]) . '\\';
} else {
$name = $matches['name'][$i];
if ($name[0] === ':') {
$name = 'xhp' . substr(str_replace(['-', ':'], ['_', '__'], $name), 1);
} elseif ($matches['type'][$i] === 'enum') {
$name = rtrim($name, ':');
}
$classes[] = ltrim($namespace . $name, '\\');
}
}
return $classes;
}
}
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