Passed
Pull Request — master (#24)
by Dmitriy
26:58 queued 11:52
created

Config::normalizePath()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 1
dl 0
loc 3
c 0
b 0
f 0
rs 10
cc 1
nc 1
nop 1
1
<?php
2
3
namespace Yiisoft\Composer\Config\Config;
4
5
use ReflectionException;
6
use Yiisoft\Composer\Config\Builder;
7
use Yiisoft\Composer\Config\ContentWriter;
8
use Yiisoft\Composer\Config\Reader\ReaderFactory;
9
use Yiisoft\Composer\Config\Util\ConfigMergeHelper;
10
use Yiisoft\Composer\Config\Util\Helper;
11
12
/**
13
 * Config class represents output configuration file.
14
 */
15
class Config
16
{
17
    private const BASE_DIR_MARKER = '<<<base-dir>>>';
18
19
    /**
20
     * @var string config name
21
     */
22
    private string $name;
23
24
    /**
25
     * @var array sources - paths to config source files
26
     */
27
    private array $sources = [];
28
29
    /**
30
     * @var array config value
31
     */
32
    protected array $values = [];
33
34
    protected Builder $builder;
35
36
    protected ContentWriter $contentWriter;
37
38
    public function __construct(Builder $builder, string $name)
39
    {
40
        $this->builder = $builder;
41
        $this->name = $name;
42
        $this->contentWriter = new ContentWriter();
43
    }
44
45
    public function clone(Builder $builder): self
46
    {
47
        $config = new Config($builder, $this->name);
48
        $config->sources = $this->sources;
49
        $config->values = $this->values;
50
51
        return $config;
52
    }
53
54
    public function getValues(): array
55
    {
56
        return $this->values;
57
    }
58
59
    public function load(array $paths = []): self
60
    {
61
        $this->sources = $this->loadFiles($paths);
62
63
        return $this;
64
    }
65
66
    private function loadFiles(array $paths): array
67
    {
68
        switch (count($paths)) {
69
            case 0:
70
                return [];
71
            case 1:
72
                return [$this->loadFile(reset($paths))];
73
        }
74
75
        $configs = [];
76
        foreach ($paths as $path) {
77
            $cs = $this->loadFiles($this->glob($path));
78
            foreach ($cs as $config) {
79
                if (!empty($config)) {
80
                    $configs[] = $config;
81
                }
82
            }
83
        }
84
85
        return $configs;
86
    }
87
88
    private function glob(string $path): array
89
    {
90
        if (strpos($path, '*') === false) {
91
            return [$path];
92
        }
93
94
        return glob($path);
0 ignored issues
show
Bug Best Practice introduced by
The expression return glob($path) could return the type false which is incompatible with the type-hinted return array. Consider adding an additional type-check to rule them out.
Loading history...
95
    }
96
97
    /**
98
     * Reads config file.
99
     *
100
     * @param string $path
101
     * @return array configuration read from file
102
     */
103
    protected function loadFile($path): array
104
    {
105
        $reader = ReaderFactory::get($this->builder, $path);
106
107
        return $reader->read($path);
108
    }
109
110
    /**
111
     * Merges given configs and writes at given name.
112
     *
113
     * @return Config
114
     */
115
    public function build(): self
116
    {
117
        $this->values = $this->calcValues($this->sources);
118
119
        return $this;
120
    }
121
122
    public function write(): self
123
    {
124
        $this->writeFile($this->getOutputPath(), $this->values);
125
126
        return $this;
127
    }
128
129
    protected function calcValues(array $sources): array
130
    {
131
        $values = call_user_func_array([ConfigMergeHelper::class, 'mergeConfig'], $sources);
132
        $values = Helper::fixConfig($values);
133
134
        return $this->substituteOutputDirs($values);
135
    }
136
137
    protected function writeFile(string $path, array $data): void
138
    {
139
        $depth = $this->findDepth();
140
        $baseDir = $depth > 0 ? "dirname(__DIR__, $depth)" : '__DIR__';
141
142
        $content = $this->replaceMarkers(implode("\n\n", array_filter([
143
            'header' => '<?php',
144
            'baseDir' => "\$baseDir = $baseDir;",
145
            'envs' => $this->envsRequired()
146
                ? "\$_ENV = array_merge((array) require __DIR__ . '/envs.php', \$_ENV);" : '',
147
            'constants' => $this->constantsRequired() ? $this->builder->getConfig('constants')->buildRequires() : '',
148
            'params' => $this->paramsRequired() ? "\$params = require __DIR__ . '/params.php';" : '',
149
            'content' => $this->renderVars($data),
150
        ])));
151
        $this->contentWriter->write($path, $content . "\n");
152
    }
153
154
    public function envsRequired(): bool
155
    {
156
        return true;
157
    }
158
159
    public function constantsRequired(): bool
160
    {
161
        return true;
162
    }
163
164
    public function paramsRequired(): bool
165
    {
166
        return true;
167
    }
168
169
    private function findDepth(): int
170
    {
171
        $outDir = realpath(dirname($this->normalizePath($this->getOutputPath())));
172
        $diff = substr($outDir, strlen(realpath($this->getBaseDir())));
173
174
        return substr_count($diff, '/');
175
    }
176
177
    /**
178
     * @param array $vars array to be exported
179
     * @return string
180
     * @throws ReflectionException
181
     */
182
    private function renderVars(array $vars): string
183
    {
184
        return 'return ' . Helper::exportVar($vars) . ';';
185
    }
186
187
    private function replaceMarkers(string $content): string
188
    {
189
        return str_replace(
190
            ["'" . self::BASE_DIR_MARKER, "'?" . self::BASE_DIR_MARKER],
191
            ["\$baseDir . '", "'?' . \$baseDir . '"],
192
            $content
193
        );
194
    }
195
196
    /**
197
     * Substitute output paths in given data array recursively with marker.
198
     *
199
     * @param array $data
200
     * @return array
201
     */
202
    protected function substituteOutputDirs(array $data): array
203
    {
204
        $dir = $this->normalizePath($this->getBaseDir());
205
206
        return $this->substitutePaths($data, $dir, self::BASE_DIR_MARKER);
207
    }
208
209
    /**
210
     * Normalizes given path with given directory separator.
211
     * Default forced to Unix directory separator for substitutePaths to work properly in Windows.
212
     *
213
     * @param string $path path to be normalized
214
     * @param string $ds directory separator
215
     * @return string
216
     */
217
    private function normalizePath($path): string
218
    {
219
        return rtrim(strtr($path, '/\\', '//'), '/');
220
    }
221
222
    /**
223
     * Substitute all paths in given array recursively with alias if applicable.
224
     *
225
     * @param array $data
226
     * @param string $dir
227
     * @param string $alias
228
     * @return array
229
     */
230
    private function substitutePaths($data, $dir, $alias): array
231
    {
232
        foreach ($data as &$value) {
233
            if (is_string($value)) {
234
                $value = $this->substitutePath($value, $dir, $alias);
235
            } elseif (is_array($value)) {
236
                $value = $this->substitutePaths($value, $dir, $alias);
237
            }
238
        }
239
240
        return $data;
241
    }
242
243
    /**
244
     * Substitute path with alias if applicable.
245
     *
246
     * @param string $path
247
     * @param string $dir
248
     * @param string $alias
249
     * @return string
250
     */
251
    private function substitutePath($path, $dir, $alias): string
252
    {
253
        $end = $dir . '/';
254
        $skippable = 0 === strncmp($path, '?', 1);
255
        if ($skippable) {
256
            $path = substr($path, 1);
257
        }
258
        if ($path === $dir) {
259
            $result = $alias;
260
        } elseif (strpos($path, $end) === 0) {
261
            $result = $alias . substr($path, strlen($end) - 1);
262
        } else {
263
            $result = $path;
264
        }
265
266
        return ($skippable ? '?' : '') . $result;
267
    }
268
269
    private function getBaseDir(): string
270
    {
271
        return $this->builder->getBaseDir();
272
    }
273
274
    protected function getOutputPath(string $name = null): string
275
    {
276
        return $this->builder->getOutputPath($name ?: $this->name);
277
    }
278
}
279