code-snippets / trunk / vendor / composer / installers / src / Composer / Installers / BaseInstaller.php

BaseInstaller.php in Code Snippets 3.0.0, at trunk/vendor/composer/installers/src/Composer/Installers/BaseInstaller.php

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1	<?php
2	namespace Composer\Installers;
3
4	use Composer\IO\IOInterface;
5	use Composer\Composer;
6	use Composer\Package\PackageInterface;
7
8	abstract class BaseInstaller
9	{
10	protected $locations = array();
11	protected $composer;
12	protected $package;
13	protected $io;
14
15	/**
16	* Initializes base installer.
17	*
18	* @param PackageInterface $package
19	* @param Composer $composer
20	* @param IOInterface $io
21	*/
22	public function __construct(PackageInterface $package = null, Composer $composer = null, IOInterface $io = null)
23	{
24	$this->composer = $composer;
25	$this->package = $package;
26	$this->io = $io;
27	}
28
29	/**
30	* Return the install path based on package type.
31	*
32	* @param PackageInterface $package
33	* @param string $frameworkType
34	* @return string
35	*/
36	public function getInstallPath(PackageInterface $package, $frameworkType = '')
37	{
38	$type = $this->package->getType();
39
40	$prettyName = $this->package->getPrettyName();
41	if (strpos($prettyName, '/') !== false) {
42	list($vendor, $name) = explode('/', $prettyName);
43	} else {
44	$vendor = '';
45	$name = $prettyName;
46	}
47
48	$availableVars = $this->inflectPackageVars(compact('name', 'vendor', 'type'));
49
50	$extra = $package->getExtra();
51	if (!empty($extra['installer-name'])) {
52	$availableVars['name'] = $extra['installer-name'];
53	}
54
55	if ($this->composer->getPackage()) {
56	$extra = $this->composer->getPackage()->getExtra();
57	if (!empty($extra['installer-paths'])) {
58	$customPath = $this->mapCustomInstallPaths($extra['installer-paths'], $prettyName, $type, $vendor);
59	if ($customPath !== false) {
60	return $this->templatePath($customPath, $availableVars);
61	}
62	}
63	}
64
65	$packageType = substr($type, strlen($frameworkType) + 1);
66	$locations = $this->getLocations();
67	if (!isset($locations[$packageType])) {
68	throw new \InvalidArgumentException(sprintf('Package type "%s" is not supported', $type));
69	}
70
71	return $this->templatePath($locations[$packageType], $availableVars);
72	}
73
74	/**
75	* For an installer to override to modify the vars per installer.
76	*
77	* @param array<string, string> $vars This will normally receive array{name: string, vendor: string, type: string}
78	* @return array<string, string>
79	*/
80	public function inflectPackageVars($vars)
81	{
82	return $vars;
83	}
84
85	/**
86	* Gets the installer's locations
87	*
88	* @return array<string, string> map of package types => install path
89	*/
90	public function getLocations()
91	{
92	return $this->locations;
93	}
94
95	/**
96	* Replace vars in a path
97	*
98	* @param string $path
99	* @param array<string, string> $vars
100	* @return string
101	*/
102	protected function templatePath($path, array $vars = array())
103	{
104	if (strpos($path, '{') !== false) {
105	extract($vars);
106	preg_match_all('@\{\$([A-Za-z0-9_]*)\}@i', $path, $matches);
107	if (!empty($matches[1])) {
108	foreach ($matches[1] as $var) {
109	$path = str_replace('{$' . $var . '}', $$var, $path);
110	}
111	}
112	}
113
114	return $path;
115	}
116
117	/**
118	* Search through a passed paths array for a custom install path.
119	*
120	* @param array $paths
121	* @param string $name
122	* @param string $type
123	* @param string $vendor = NULL
124	* @return string\|false
125	*/
126	protected function mapCustomInstallPaths(array $paths, $name, $type, $vendor = NULL)
127	{
128	foreach ($paths as $path => $names) {
129	$names = (array) $names;
130	if (in_array($name, $names) \|\| in_array('type:' . $type, $names) \|\| in_array('vendor:' . $vendor, $names)) {
131	return $path;
132	}
133	}
134
135	return false;
136	}
137	}
138