library\think\Console.php
// +----------------------------------------------------------------------
// | TopThink [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2015 http://www.topthink.com All rights reserved.
// +----------------------------------------------------------------------
// | Author: zhangyajun <448901948@qq.com>
// +----------------------------------------------------------------------
namespace think;
use think\console\Command;
use think\console\command\Help as HelpCommand;
use think\console\Input;
use think\console\input\Argument as InputArgument;
use think\console\input\Definition as InputDefinition;
use think\console\input\Option as InputOption;
use think\console\Output;
use think\console\output\driver\Buffer;
class Console
{
private $name;
private $version;
/** @var Command[] */
private $commands = [];
private $wantHelps = false;
private $catchExceptions = true;
private $autoExit = true;
private $definition;
private $defaultCommand;
private static $defaultCommands = [
"think\\console\\command\\Help",
"think\\console\\command\\Lists",
"think\\console\\command\\Build",
"think\\console\\command\\Clear",
"think\\console\\command\\make\\Controller",
"think\\console\\command\\make\\Model",
"think\\console\\command\\optimize\\Autoload",
"think\\console\\command\\optimize\\Config",
"think\\console\\command\\optimize\\Route",
"think\\console\\command\\optimize\\Schema",
];
public function __construct($name = 'UNKNOWN', $version = 'UNKNOWN')
{
$this->name = $name;
$this->version = $version;
$this->defaultCommand = 'list';
$this->definition = $this->getDefaultInputDefinition();
foreach ($this->getDefaultCommands() as $command) {
$this->add($command);
}
}
public static function init($run = true)
{
static $console;
if (!$console) {
// 实例化console
$console = new self('Think Console', '0.1');
// 读取指令集
if (is_file(CONF_PATH . 'command' . EXT)) {
$commands = include CONF_PATH . 'command' . EXT;
if (is_array($commands)) {
foreach ($commands as $command) {
if (class_exists($command) && is_subclass_of($command, "\\think\\console\\Command")) {
// 注册指令
$console->add(new $command());
}
}
}
}
}
if ($run) {
// 运行
return $console->run();
} else {
return $console;
}
}
/**
* @param $command
* @param array $parameters
* @return Output|Buffer
*/
public static function call($command, array $parameters = [])
{
$console = self::init(false);
array_unshift($parameters, $command);
$input = new Input($parameters);
$output = new Output('buffer');
$console->setCatchExceptions(false);
$console->find($command)->run($input, $output);
return $output;
}
/**
* 执行当前的指令
* @return int
* @throws \Exception
* @api
*/
public function run()
{
$input = new Input();
$output = new Output();
$this->configureIO($input, $output);
try {
$exitCode = $this->doRun($input, $output);
} catch (\Exception $e) {
if (!$this->catchExceptions) {
throw $e;
}
$output->renderException($e);
$exitCode = $e->getCode();
if (is_numeric($exitCode)) {
$exitCode = (int) $exitCode;
if (0 === $exitCode) {
$exitCode = 1;
}
} else {
$exitCode = 1;
}
}
if ($this->autoExit) {
if ($exitCode > 255) {
$exitCode = 255;
}
exit($exitCode);
}
return $exitCode;
}
/**
* 执行指令
* @param Input $input
* @param Output $output
* @return int
*/
public function doRun(Input $input, Output $output)
{
if (true === $input->hasParameterOption(['--version', '-V'])) {
$output->writeln($this->getLongVersion());
return 0;
}
$name = $this->getCommandName($input);
if (true === $input->hasParameterOption(['--help', '-h'])) {
if (!$name) {
$name = 'help';
$input = new Input(['help']);
} else {
$this->wantHelps = true;
}
}
if (!$name) {
$name = $this->defaultCommand;
$input = new Input([$this->defaultCommand]);
}
$command = $this->find($name);
$exitCode = $this->doRunCommand($command, $input, $output);
return $exitCode;
}
/**
* 设置输入参数定义
* @param InputDefinition $definition
*/
public function setDefinition(InputDefinition $definition)
{
$this->definition = $definition;
}
/**
* 获取输入参数定义
* @return InputDefinition The InputDefinition instance
*/
public function getDefinition()
{
return $this->definition;
}
/**
* Gets the help message.
* @return string A help message.
*/
public function getHelp()
{
return $this->getLongVersion();
}
/**
* 是否捕获异常
* @param bool $boolean
* @api
*/
public function setCatchExceptions($boolean)
{
$this->catchExceptions = (bool) $boolean;
}
/**
* 是否自动退出
* @param bool $boolean
* @api
*/
public function setAutoExit($boolean)
{
$this->autoExit = (bool) $boolean;
}
/**
* 获取名称
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* 设置名称
* @param string $name
*/
public function setName($name)
{
$this->name = $name;
}
/**
* 获取版本
* @return string
* @api
*/
public function getVersion()
{
return $this->version;
}
/**
* 设置版本
* @param string $version
*/
public function setVersion($version)
{
$this->version = $version;
}
/**
* 获取完整的版本号
* @return string
*/
public function getLongVersion()
{
if ('UNKNOWN' !== $this->getName() && 'UNKNOWN' !== $this->getVersion()) {
return sprintf('%s version %s', $this->getName(), $this->getVersion());
}
return 'Console Tool';
}
/**
* 注册一个指令
* @param string $name
* @return Command
*/
public function register($name)
{
return $this->add(new Command($name));
}
/**
* 添加指令
* @param Command[] $commands
*/
public function addCommands(array $commands)
{
foreach ($commands as $command) {
$this->add($command);
}
}
/**
* 添加一个指令
* @param Command $command
* @return Command
*/
public function add(Command $command)
{
$command->setConsole($this);
if (!$command->isEnabled()) {
$command->setConsole(null);
return null;
}
if (null === $command->getDefinition()) {
throw new \LogicException(sprintf('Command class "%s" is not correctly initialized. You probably forgot to call the parent constructor.', get_class($command)));
}
$this->commands[$command->getName()] = $command;
foreach ($command->getAliases() as $alias) {
$this->commands[$alias] = $command;
}
return $command;
}
/**
* 获取指令
* @param string $name 指令名称
* @return Command
* @throws \InvalidArgumentException
*/
public function get($name)
{
if (!isset($this->commands[$name])) {
throw new \InvalidArgumentException(sprintf('The command "%s" does not exist.', $name));
}
$command = $this->commands[$name];
if ($this->wantHelps) {
$this->wantHelps = false;
/** @var HelpCommand $helpCommand */
$helpCommand = $this->get('help');
$helpCommand->setCommand($command);
return $helpCommand;
}
return $command;
}
/**
* 某个指令是否存在
* @param string $name 指令名称
* @return bool
*/
public function has($name)
{
return isset($this->commands[$name]);
}
/**
* 获取所有的命名空间
* @return array
*/
public function getNamespaces()
{
$namespaces = [];
foreach ($this->commands as $command) {
$namespaces = array_merge($namespaces, $this->extractAllNamespaces($command->getName()));
foreach ($command->getAliases() as $alias) {
$namespaces = array_merge($namespaces, $this->extractAllNamespaces($alias));
}
}
return array_values(array_unique(array_filter($namespaces)));
}
/**
* 查找注册命名空间中的名称或缩写。
* @param string $namespace
* @return string
* @throws \InvalidArgumentException
*/
public function findNamespace($namespace)
{
$allNamespaces = $this->getNamespaces();
$expr = preg_replace_callback('{([^:]+|)}', function ($matches) {
return preg_quote($matches[1]) . '[^:]*';
}, $namespace);
$namespaces = preg_grep('{^' . $expr . '}', $allNamespaces);
if (empty($namespaces)) {
$message = sprintf('There are no commands defined in the "%s" namespace.', $namespace);
if ($alternatives = $this->findAlternatives($namespace, $allNamespaces)) {
if (1 == count($alternatives)) {
$message .= "\n\nDid you mean this?\n ";
} else {
$message .= "\n\nDid you mean one of these?\n ";
}
$message .= implode("\n ", $alternatives);
}
throw new \InvalidArgumentException($message);
}
$exact = in_array($namespace, $namespaces, true);
if (count($namespaces) > 1 && !$exact) {
throw new \InvalidArgumentException(sprintf('The namespace "%s" is ambiguous (%s).', $namespace, $this->getAbbreviationSuggestions(array_values($namespaces))));
}
return $exact ? $namespace : reset($namespaces);
}
/**
* 查找指令
* @param string $name 名称或者别名
* @return Command
* @throws \InvalidArgumentException
*/
public function find($name)
{
$allCommands = array_keys($this->commands);
$expr = preg_replace_callback('{([^:]+|)}', function ($matches) {
return preg_quote($matches[1]) . '[^:]*';
}, $name);
$commands = preg_grep('{^' . $expr . '}', $allCommands);
if (empty($commands) || count(preg_grep('{^' . $expr . '$}', $commands)) < 1) {
if (false !== $pos = strrpos($name, ':')) {
$this->findNamespace(substr($name, 0, $pos));
}
$message = sprintf('Command "%s" is not defined.', $name);
if ($alternatives = $this->findAlternatives($name, $allCommands)) {
if (1 == count($alternatives)) {
$message .= "\n\nDid you mean this?\n ";
} else {
$message .= "\n\nDid you mean one of these?\n ";
}
$message .= implode("\n ", $alternatives);
}
throw new \InvalidArgumentException($message);
}
if (count($commands) > 1) {
$commandList = $this->commands;
$commands = array_filter($commands, function ($nameOrAlias) use ($commandList, $commands) {
$commandName = $commandList[$nameOrAlias]->getName();
return $commandName === $nameOrAlias || !in_array($commandName, $commands);
});
}
$exact = in_array($name, $commands, true);
if (count($commands) > 1 && !$exact) {
$suggestions = $this->getAbbreviationSuggestions(array_values($commands));
throw new \InvalidArgumentException(sprintf('Command "%s" is ambiguous (%s).', $name, $suggestions));
}
return $this->get($exact ? $name : reset($commands));
}
/**
* 获取所有的指令
* @param string $namespace 命名空间
* @return Command[]
* @api
*/
public function all($namespace = null)
{
if (null === $namespace) {
return $this->commands;
}
$commands = [];
foreach ($this->commands as $name => $command) {
if ($this->extractNamespace($name, substr_count($namespace, ':') + 1) === $namespace) {
$commands[$name] = $command;
}
}
return $commands;
}
/**
* 获取可能的指令名
* @param array $names
* @return array
*/
public static function getAbbreviations($names)
{
$abbrevs = [];
foreach ($names as $name) {
for ($len = strlen($name); $len > 0; --$len) {
$abbrev = substr($name, 0, $len);
$abbrevs[$abbrev][] = $name;
}
}
return $abbrevs;
}
/**
* 配置基于用户的参数和选项的输入和输出实例。
* @param Input $input 输入实例
* @param Output $output 输出实例
*/
protected function configureIO(Input $input, Output $output)
{
if (true === $input->hasParameterOption(['--ansi'])) {
$output->setDecorated(true);
} elseif (true === $input->hasParameterOption(['--no-ansi'])) {
$output->setDecorated(false);
}
if (true === $input->hasParameterOption(['--no-interaction', '-n'])) {
$input->setInteractive(false);
}
if (true === $input->hasParameterOption(['--quiet', '-q'])) {
$output->setVerbosity(Output::VERBOSITY_QUIET);
} else {
if ($input->hasParameterOption('-vvv') || $input->hasParameterOption('--verbose=3') || $input->getParameterOption('--verbose') === 3) {
$output->setVerbosity(Output::VERBOSITY_DEBUG);
} elseif ($input->hasParameterOption('-vv') || $input->hasParameterOption('--verbose=2') || $input->getParameterOption('--verbose') === 2) {
$output->setVerbosity(Output::VERBOSITY_VERY_VERBOSE);
} elseif ($input->hasParameterOption('-v') || $input->hasParameterOption('--verbose=1') || $input->hasParameterOption('--verbose') || $input->getParameterOption('--verbose')) {
$output->setVerbosity(Output::VERBOSITY_VERBOSE);
}
}
}
/**
* 执行指令
* @param Command $command 指令实例
* @param Input $input 输入实例
* @param Output $output 输出实例
* @return int
* @throws \Exception
*/
protected function doRunCommand(Command $command, Input $input, Output $output)
{
return $command->run($input, $output);
}
/**
* 获取指令的基础名称
* @param Input $input
* @return string
*/
protected function getCommandName(Input $input)
{
return $input->getFirstArgument();
}
/**
* 获取默认输入定义
* @return InputDefinition
*/
protected function getDefaultInputDefinition()
{
return new InputDefinition([
new InputArgument('command', InputArgument::REQUIRED, 'The command to execute'),
new InputOption('--help', '-h', InputOption::VALUE_NONE, 'Display this help message'),
new InputOption('--version', '-V', InputOption::VALUE_NONE, 'Display this console version'),
new InputOption('--quiet', '-q', InputOption::VALUE_NONE, 'Do not output any message'),
new InputOption('--verbose', '-v|vv|vvv', InputOption::VALUE_NONE, 'Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug'),
new InputOption('--ansi', '', InputOption::VALUE_NONE, 'Force ANSI output'),
new InputOption('--no-ansi', '', InputOption::VALUE_NONE, 'Disable ANSI output'),
new InputOption('--no-interaction', '-n', InputOption::VALUE_NONE, 'Do not ask any interactive question'),
]);
}
/**
* 设置默认命令
* @return Command[] An array of default Command instances
*/
protected function getDefaultCommands()
{
$defaultCommands = [];
foreach (self::$defaultCommands as $classname) {
if (class_exists($classname) && is_subclass_of($classname, "think\\console\\Command")) {
$defaultCommands[] = new $classname();
}
}
return $defaultCommands;
}
public static function addDefaultCommands(array $classnames)
{
self::$defaultCommands = array_merge(self::$defaultCommands, $classnames);
}
/**
* 获取可能的建议
* @param array $abbrevs
* @return string
*/
private function getAbbreviationSuggestions($abbrevs)
{
return sprintf('%s, %s%s', $abbrevs[0], $abbrevs[1], count($abbrevs) > 2 ? sprintf(' and %d more', count($abbrevs) - 2) : '');
}
/**
* 返回命名空间部分
* @param string $name 指令
* @param string $limit 部分的命名空间的最大数量
* @return string
*/
public function extractNamespace($name, $limit = null)
{
$parts = explode(':', $name);
array_pop($parts);
return implode(':', null === $limit ? $parts : array_slice($parts, 0, $limit));
}
/**
* 查找可替代的建议
* @param string $name
* @param array|\Traversable $collection
* @return array
*/
private function findAlternatives($name, $collection)
{
$threshold = 1e3;
$alternatives = [];
$collectionParts = [];
foreach ($collection as $item) {
$collectionParts[$item] = explode(':', $item);
}
foreach (explode(':', $name) as $i => $subname) {
foreach ($collectionParts as $collectionName => $parts) {
$exists = isset($alternatives[$collectionName]);
if (!isset($parts[$i]) && $exists) {
$alternatives[$collectionName] += $threshold;
continue;
} elseif (!isset($parts[$i])) {
continue;
}
$lev = levenshtein($subname, $parts[$i]);
if ($lev <= strlen($subname) / 3 || '' !== $subname && false !== strpos($parts[$i], $subname)) {
$alternatives[$collectionName] = $exists ? $alternatives[$collectionName] + $lev : $lev;
} elseif ($exists) {
$alternatives[$collectionName] += $threshold;
}
}
}
foreach ($collection as $item) {
$lev = levenshtein($name, $item);
if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) {
$alternatives[$item] = isset($alternatives[$item]) ? $alternatives[$item] - $lev : $lev;
}
}
$alternatives = array_filter($alternatives, function ($lev) use ($threshold) {
return $lev < 2 * $threshold;
});
asort($alternatives);
return array_keys($alternatives);
}
/**
* 设置默认的指令
* @param string $commandName The Command name
*/
public function setDefaultCommand($commandName)
{
$this->defaultCommand = $commandName;
}
/**
* 返回所有的命名空间
* @param string $name
* @return array
*/
private function extractAllNamespaces($name)
{
$parts = explode(':', $name, -1);
$namespaces = [];
foreach ($parts as $part) {
if (count($namespaces)) {
$namespaces[] = end($namespaces) . ':' . $part;
} else {
$namespaces[] = $part;
}
}
return $namespaces;
}
}