+++ /dev/null
-<?php
-
-/*
- * This file is part of Psy Shell.
- *
- * (c) 2012-2017 Justin Hileman
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Psy;
-
-use XdgBaseDir\Xdg;
-
-/**
- * A Psy Shell configuration path helper.
- */
-class ConfigPaths
-{
- /**
- * Get potential config directory paths.
- *
- * Returns `~/.psysh`, `%APPDATA%/PsySH` (when on Windows), and all
- * XDG Base Directory config directories:
- *
- * http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
- *
- * @return string[]
- */
- public static function getConfigDirs()
- {
- $xdg = new Xdg();
-
- return self::getDirNames($xdg->getConfigDirs());
- }
-
- /**
- * Get potential home config directory paths.
- *
- * Returns `~/.psysh`, `%APPDATA%/PsySH` (when on Windows), and the
- * XDG Base Directory home config directory:
- *
- * http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
- *
- * @return string[]
- */
- public static function getHomeConfigDirs()
- {
- $xdg = new Xdg();
-
- return self::getDirNames(array($xdg->getHomeConfigDir()));
- }
-
- /**
- * Get the current home config directory.
- *
- * Returns the highest precedence home config directory which actually
- * exists. If none of them exists, returns the highest precedence home
- * config directory (`%APPDATA%/PsySH` on Windows, `~/.config/psysh`
- * everywhere else).
- *
- * @see self::getHomeConfigDirs
- *
- * @return string
- */
- public static function getCurrentConfigDir()
- {
- $configDirs = self::getHomeConfigDirs();
- foreach ($configDirs as $configDir) {
- if (@is_dir($configDir)) {
- return $configDir;
- }
- }
-
- return $configDirs[0];
- }
-
- /**
- * Find real config files in config directories.
- *
- * @param string[] $names Config file names
- * @param string $configDir Optionally use a specific config directory
- *
- * @return string[]
- */
- public static function getConfigFiles(array $names, $configDir = null)
- {
- $dirs = ($configDir === null) ? self::getConfigDirs() : array($configDir);
-
- return self::getRealFiles($dirs, $names);
- }
-
- /**
- * Get potential data directory paths.
- *
- * If a `dataDir` option was explicitly set, returns an array containing
- * just that directory.
- *
- * Otherwise, it returns `~/.psysh` and all XDG Base Directory data directories:
- *
- * http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
- *
- * @return string[]
- */
- public static function getDataDirs()
- {
- $xdg = new Xdg();
-
- return self::getDirNames($xdg->getDataDirs());
- }
-
- /**
- * Find real data files in config directories.
- *
- * @param string[] $names Config file names
- * @param string $dataDir Optionally use a specific config directory
- *
- * @return string[]
- */
- public static function getDataFiles(array $names, $dataDir = null)
- {
- $dirs = ($dataDir === null) ? self::getDataDirs() : array($dataDir);
-
- return self::getRealFiles($dirs, $names);
- }
-
- /**
- * Get a runtime directory.
- *
- * Defaults to `/psysh` inside the system's temp dir.
- *
- * @return string
- */
- public static function getRuntimeDir()
- {
- $xdg = new Xdg();
-
- set_error_handler(array('Psy\Exception\ErrorException', 'throwException'));
-
- try {
- // XDG doesn't really work on Windows, sometimes complains about
- // permissions, sometimes tries to remove non-empty directories.
- // It's a bit flaky. So we'll give this a shot first...
- $runtimeDir = $xdg->getRuntimeDir(false);
- } catch (\Exception $e) {
- // Well. That didn't work. Fall back to a boring old folder in the
- // system temp dir.
- $runtimeDir = sys_get_temp_dir();
- }
-
- restore_error_handler();
-
- return strtr($runtimeDir, '\\', '/') . '/psysh';
- }
-
- private static function getDirNames(array $baseDirs)
- {
- $dirs = array_map(function ($dir) {
- return strtr($dir, '\\', '/') . '/psysh';
- }, $baseDirs);
-
- // Add ~/.psysh
- if ($home = getenv('HOME')) {
- $dirs[] = strtr($home, '\\', '/') . '/.psysh';
- }
-
- // Add some Windows specific ones :)
- if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
- if ($appData = getenv('APPDATA')) {
- // AppData gets preference
- array_unshift($dirs, strtr($appData, '\\', '/') . '/PsySH');
- }
-
- $dir = strtr(getenv('HOMEDRIVE') . '/' . getenv('HOMEPATH'), '\\', '/') . '/.psysh';
- if (!in_array($dir, $dirs)) {
- $dirs[] = $dir;
- }
- }
-
- return $dirs;
- }
-
- private static function getRealFiles(array $dirNames, array $fileNames)
- {
- $files = array();
- foreach ($dirNames as $dir) {
- foreach ($fileNames as $name) {
- $file = $dir . '/' . $name;
- if (@is_file($file)) {
- $files[] = $file;
- }
- }
- }
-
- return $files;
- }
-
- /**
- * Ensure that $file exists and is writable, make the parent directory if necessary.
- *
- * Generates E_USER_NOTICE error if either $file or its directory is not writable.
- *
- * @param string $file
- *
- * @return string|false Full path to $file, or false if file is not writable
- */
- public static function touchFileWithMkdir($file)
- {
- if (file_exists($file)) {
- if (is_writable($file)) {
- return $file;
- }
-
- trigger_error(sprintf('Writing to %s is not allowed.', $file), E_USER_NOTICE);
-
- return false;
- }
-
- $dir = dirname($file);
-
- if (!is_dir($dir)) {
- // Just try making it and see if it works
- @mkdir($dir, 0700, true);
- }
-
- if (!is_dir($dir) || !is_writable($dir)) {
- trigger_error(sprintf('Writing to %s is not allowed.', $dir), E_USER_NOTICE);
-
- return false;
- }
-
- touch($file);
-
- return $file;
- }
-}
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