IncludeAnalyzer::getPathTo() - Code Metrics - vimeo/psalm - Measure and Improve Code Quality continuously with Scrutinizer

IncludeAnalyzer::getPathTo() F
last analyzed 2020-07-20 09:18 UTC

↳ Parent: IncludeAnalyzer

Complexity

Conditions	30
Paths	160

Size

Total Lines

102

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	30
nc	160
nop	5
dl	0
loc	102
rs	2.9333
c	0
b	0
f	0

How to fix Long Method Complexity

<?php
namespace Psalm\Internal\Analyzer\Statements\Expression;

use PhpParser;
use Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer;
use Psalm\Internal\Analyzer\StatementsAnalyzer;
use Psalm\Internal\Taint\Sink;
use Psalm\CodeLocation;
use Psalm\Config;
use Psalm\Context;
use Psalm\Exception\FileIncludeException;
use Psalm\Issue\MissingFile;
use Psalm\Issue\UnresolvableInclude;
use Psalm\IssueBuffer;
use function str_replace;
use const DIRECTORY_SEPARATOR;
use function dirname;
use function preg_match;
use function in_array;
use function realpath;
use function get_included_files;
use function str_repeat;
use const PHP_EOL;
use function is_string;
use function implode;
use function defined;
use function constant;
use const PATH_SEPARATOR;
use function preg_split;
use function get_include_path;
use function explode;
use function substr;
use function file_exists;
use function preg_replace;

/**
 * @internal
 */
class IncludeAnalyzer
{
    public static function analyze(
        StatementsAnalyzer $statements_analyzer,
        PhpParser\Node\Expr\Include_ $stmt,
        Context $context,
        Context $global_context = null
    ) : bool {
        $codebase = $statements_analyzer->getCodebase();
        $config = $codebase->config;

        if (!$config->allow_includes) {
            throw new FileIncludeException(
                'File includes are not allowed per your Psalm config - check the allowFileIncludes flag.'
            );
        }

        $was_inside_call = $context->inside_call;

        $context->inside_call = true;

        if (ExpressionAnalyzer::analyze($statements_analyzer, $stmt->expr, $context) === false) {
            return false;
        }

        if (!$was_inside_call) {
            $context->inside_call = false;
        }

        $stmt_expr_type = $statements_analyzer->node_data->getType($stmt->expr);

        if ($stmt->expr instanceof PhpParser\Node\Scalar\String_
            || ($stmt_expr_type && $stmt_expr_type->isSingleStringLiteral())
        ) {
            if ($stmt->expr instanceof PhpParser\Node\Scalar\String_) {
                $path_to_file = $stmt->expr->value;
            } else {
                $path_to_file = $stmt_expr_type->getSingleStringLiteral()->value;
            }

            $path_to_file = str_replace('/', DIRECTORY_SEPARATOR, $path_to_file);

            // attempts to resolve using get_include_path dirs
            $include_path = self::resolveIncludePath($path_to_file, dirname($statements_analyzer->getFilePath()));
            $path_to_file = $include_path ? $include_path : $path_to_file;

            if (DIRECTORY_SEPARATOR === '/') {
                $is_path_relative = $path_to_file[0] !== DIRECTORY_SEPARATOR;
            } else {
                $is_path_relative = !preg_match('~^[A-Z]:\\\\~i', $path_to_file);
            }

            if ($is_path_relative) {
                $path_to_file = $config->base_dir . DIRECTORY_SEPARATOR . $path_to_file;
            }
        } else {
            $path_to_file = self::getPathTo(
                $stmt->expr,
                $statements_analyzer->node_data,
                $statements_analyzer,
                $statements_analyzer->getFileName(),
                $config
            );
        }

        if ($stmt_expr_type
            && $codebase->taint
            && $stmt_expr_type->parent_nodes
            && $codebase->config->trackTaintsInPath($statements_analyzer->getFilePath())
            && !\in_array('TaintedInput', $statements_analyzer->getSuppressedIssues())
        ) {
            $arg_location = new CodeLocation($statements_analyzer->getSource(), $stmt->expr);

            $include_param_sink = Sink::getForMethodArgument(
                'include',
                'include',
                0,
                $arg_location
            );

            $include_param_sink->taints = [\Psalm\Type\TaintKind::INPUT_TEXT];


            $codebase->taint->addSink($include_param_sink);

            foreach ($stmt_expr_type->parent_nodes as $parent_node) {
                $codebase->taint->addPath($parent_node, $include_param_sink, 'arg');
            }
        }

        if ($path_to_file) {
            $path_to_file = self::normalizeFilePath($path_to_file);

            // if the file is already included, we can't check much more
            if (in_array(realpath($path_to_file), get_included_files(), true)) {
                return true;
            }

            $current_file_analyzer = $statements_analyzer->getFileAnalyzer();

            if ($current_file_analyzer->project_analyzer->fileExists($path_to_file)) {
                if ($statements_analyzer->hasParentFilePath($path_to_file)
                    || !$codebase->file_storage_provider->has($path_to_file)
                    || ($statements_analyzer->hasAlreadyRequiredFilePath($path_to_file)
                        && !$codebase->file_storage_provider->get($path_to_file)->has_extra_statements)
                ) {
                    return true;
                }

                $current_file_analyzer->addRequiredFilePath($path_to_file);

                $file_name = $config->shortenFileName($path_to_file);

                $nesting = $statements_analyzer->getRequireNesting() + 1;
                $current_file_analyzer->project_analyzer->progress->debug(
                    str_repeat('  ', $nesting) . 'checking ' . $file_name . PHP_EOL
                );

                $include_file_analyzer = new \Psalm\Internal\Analyzer\FileAnalyzer(
                    $current_file_analyzer->project_analyzer,
                    $path_to_file,
                    $file_name
                );

                $include_file_analyzer->setRootFilePath(
                    $current_file_analyzer->getRootFilePath(),
                    $current_file_analyzer->getRootFileName()
                );

                $include_file_analyzer->addParentFilePath($current_file_analyzer->getFilePath());
                $include_file_analyzer->addRequiredFilePath($current_file_analyzer->getFilePath());

                foreach ($current_file_analyzer->getRequiredFilePaths() as $required_file_path) {
                    $include_file_analyzer->addRequiredFilePath($required_file_path);
                }

                foreach ($current_file_analyzer->getParentFilePaths() as $parent_file_path) {
                    $include_file_analyzer->addParentFilePath($parent_file_path);
                }

                try {
                    $include_file_analyzer->analyze(
                        $context,
                        false,
                        $global_context
                    );
                } catch (\Psalm\Exception\UnpreparedAnalysisException $e) {
                    if ($config->skip_checks_on_unresolvable_includes) {
                        $context->check_classes = false;
                        $context->check_variables = false;
                        $context->check_functions = false;
                    }
                }

                $included_return_type = $include_file_analyzer->getReturnType();

                if ($included_return_type) {
                    $statements_analyzer->node_data->setType($stmt, $included_return_type);
                }

                $context->has_returned = false;

                foreach ($include_file_analyzer->getRequiredFilePaths() as $required_file_path) {
                    $current_file_analyzer->addRequiredFilePath($required_file_path);
                }

                $include_file_analyzer->clearSourceBeforeDestruction();

                return true;
            }

            $source = $statements_analyzer->getSource();

            if (IssueBuffer::accepts(
                new MissingFile(
                    'Cannot find file ' . $path_to_file . ' to include',
                    new CodeLocation($source, $stmt)
                ),
                $source->getSuppressedIssues()
            )) {
                // fall through
            }
        } else {
            $var_id = ExpressionIdentifier::getArrayVarId($stmt->expr, null);

            if (!$var_id || !isset($context->phantom_files[$var_id])) {
                $source = $statements_analyzer->getSource();

                if (IssueBuffer::accepts(
                    new UnresolvableInclude(
                        'Cannot resolve the given expression to a file path',
                        new CodeLocation($source, $stmt)
                    ),
                    $source->getSuppressedIssues()
                )) {
                    // fall through
                }
            }
        }

        if ($config->skip_checks_on_unresolvable_includes) {
            $context->check_classes = false;
            $context->check_variables = false;
            $context->check_functions = false;
        }

        return true;
    }

    /**
     * @param  PhpParser\Node\Expr $stmt
     * @param  string              $file_name
     *
     * @return string|null
     * @psalm-suppress MixedAssignment
     */
    public static function getPathTo(
        PhpParser\Node\Expr $stmt,
        ?\Psalm\Internal\Provider\NodeDataProvider $type_provider,
        ?StatementsAnalyzer $statements_analyzer,
        $file_name,
        Config $config
    ) {
        if (DIRECTORY_SEPARATOR === '/') {
            $is_path_relative = $file_name[0] !== DIRECTORY_SEPARATOR;
        } else {
            $is_path_relative = !preg_match('~^[A-Z]:\\\\~i', $file_name);
        }

        if ($is_path_relative) {
            $file_name = $config->base_dir . DIRECTORY_SEPARATOR . $file_name;
        }

        if ($stmt instanceof PhpParser\Node\Scalar\String_) {
            if (DIRECTORY_SEPARATOR !== '/') {
                return str_replace('/', DIRECTORY_SEPARATOR, $stmt->value);
            }
            return $stmt->value;
        }

        $stmt_type = $type_provider ? $type_provider->getType($stmt) : null;

        if ($stmt_type && $stmt_type->isSingleStringLiteral()) {
            if (DIRECTORY_SEPARATOR !== '/') {
                return str_replace(
                    '/',
                    DIRECTORY_SEPARATOR,
                    $stmt_type->getSingleStringLiteral()->value
                );
            }

            return $stmt_type->getSingleStringLiteral()->value;
        }

        if ($stmt instanceof PhpParser\Node\Expr\ArrayDimFetch) {
            if ($stmt->var instanceof PhpParser\Node\Expr\Variable
                && $stmt->var->name === 'GLOBALS'
                && $stmt->dim instanceof PhpParser\Node\Scalar\String_
            ) {
                if (isset($GLOBALS[$stmt->dim->value]) && is_string($GLOBALS[$stmt->dim->value])) {
                    /** @var string */
                    return $GLOBALS[$stmt->dim->value];
                }
            }
        } elseif ($stmt instanceof PhpParser\Node\Expr\BinaryOp\Concat) {
            $left_string = self::getPathTo($stmt->left, $type_provider, $statements_analyzer, $file_name, $config);
            $right_string = self::getPathTo($stmt->right, $type_provider, $statements_analyzer, $file_name, $config);

            if ($left_string && $right_string) {
                return $left_string . $right_string;
            }
        } elseif ($stmt instanceof PhpParser\Node\Expr\FuncCall &&
            $stmt->name instanceof PhpParser\Node\Name &&
            $stmt->name->parts === ['dirname']
        ) {
            if ($stmt->args) {
                $dir_level = 1;

                if (isset($stmt->args[1])) {
                    if ($stmt->args[1]->value instanceof PhpParser\Node\Scalar\LNumber) {
                        $dir_level = $stmt->args[1]->value->value;
                    } else {
                        return null;
                    }
                }

                $evaled_path = self::getPathTo(
                    $stmt->args[0]->value,
                    $type_provider,
                    $statements_analyzer,
                    $file_name,
                    $config
                );

                if (!$evaled_path) {
                    return null;
                }

                return dirname($evaled_path, $dir_level);
            }
        } elseif ($stmt instanceof PhpParser\Node\Expr\ConstFetch) {
            $const_name = implode('', $stmt->name->parts);

            if (defined($const_name)) {
                $constant_value = constant($const_name);

                if (is_string($constant_value)) {
                    return $constant_value;
                }
            }
        } elseif ($stmt instanceof PhpParser\Node\Scalar\MagicConst\Dir) {
            return dirname($file_name);
        } elseif ($stmt instanceof PhpParser\Node\Scalar\MagicConst\File) {
            return $file_name;
        }

        return null;
    }

    /**
     * @param   string  $file_name
     * @param   string  $current_directory
     *
     * @return  string|null
     */
    public static function resolveIncludePath($file_name, $current_directory)
    {
        if (!$current_directory) {
            return $file_name;
        }

        $paths = PATH_SEPARATOR == ':'
            ? preg_split('#(?<!phar):#', get_include_path())
            : explode(PATH_SEPARATOR, get_include_path());

        foreach ($paths as $prefix) {
            $ds = substr($prefix, -1) == DIRECTORY_SEPARATOR ? '' : DIRECTORY_SEPARATOR;

            if ($prefix === '.') {
                $prefix = $current_directory;
            }

            $file = $prefix . $ds . $file_name;

            if (file_exists($file)) {
                return $file;
            }
        }

        return null;
    }

    public static function normalizeFilePath(string $path_to_file) : string
    {
        // replace all \ with / for normalization
        $path_to_file = str_replace('\\', '/', $path_to_file);
        $path_to_file = str_replace('/./', '/', $path_to_file);

        // first remove unnecessary / duplicates
        $path_to_file = preg_replace('/\/[\/]+/', '/', $path_to_file);

        $reduce_pattern = '/\/[^\/]+\/\.\.\//';

        while (preg_match($reduce_pattern, $path_to_file)) {
            $path_to_file = preg_replace($reduce_pattern, '/', $path_to_file, 1);
        }

        if (DIRECTORY_SEPARATOR !== '/') {
            $path_to_file = str_replace('/', DIRECTORY_SEPARATOR, $path_to_file);
        }

        return $path_to_file;
    }
}


1			<?php
2			namespace Psalm\Internal\Analyzer\Statements\Expression;
3
4			use PhpParser;
5			use Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer;
6			use Psalm\Internal\Analyzer\StatementsAnalyzer;
7			use Psalm\Internal\Taint\Sink;
8			use Psalm\CodeLocation;
9			use Psalm\Config;
10			use Psalm\Context;
11			use Psalm\Exception\FileIncludeException;
12			use Psalm\Issue\MissingFile;
13			use Psalm\Issue\UnresolvableInclude;
14			use Psalm\IssueBuffer;
15			use function str_replace;
16			use const DIRECTORY_SEPARATOR;
17			use function dirname;
18			use function preg_match;
19			use function in_array;
20			use function realpath;
21			use function get_included_files;
22			use function str_repeat;
23			use const PHP_EOL;
24			use function is_string;
25			use function implode;
26			use function defined;
27			use function constant;
28			use const PATH_SEPARATOR;
29			use function preg_split;
30			use function get_include_path;
31			use function explode;
32			use function substr;
33			use function file_exists;
34			use function preg_replace;
35
36			/**
37			* @internal
38			*/
39			class IncludeAnalyzer
40			{
41			public static function analyze(
42			StatementsAnalyzer $statements_analyzer,
43			PhpParser\Node\Expr\Include_ $stmt,
44			Context $context,
45			Context $global_context = null
46			) : bool {
47			$codebase = $statements_analyzer->getCodebase();
48			$config = $codebase->config;
49
50			if (!$config->allow_includes) {
51			throw new FileIncludeException(
52			'File includes are not allowed per your Psalm config - check the allowFileIncludes flag.'
53			);
54			}
55
56			$was_inside_call = $context->inside_call;
57
58			$context->inside_call = true;
59
60			if (ExpressionAnalyzer::analyze($statements_analyzer, $stmt->expr, $context) === false) {
61			return false;
62			}
63
64			if (!$was_inside_call) {
65			$context->inside_call = false;
66			}
67
68			$stmt_expr_type = $statements_analyzer->node_data->getType($stmt->expr);
69
70			if ($stmt->expr instanceof PhpParser\Node\Scalar\String_
71			\|\| ($stmt_expr_type && $stmt_expr_type->isSingleStringLiteral())
72			) {
73			if ($stmt->expr instanceof PhpParser\Node\Scalar\String_) {
74			$path_to_file = $stmt->expr->value;
75			} else {
76			$path_to_file = $stmt_expr_type->getSingleStringLiteral()->value;
77			}
78
79			$path_to_file = str_replace('/', DIRECTORY_SEPARATOR, $path_to_file);
80
81			// attempts to resolve using get_include_path dirs
82			$include_path = self::resolveIncludePath($path_to_file, dirname($statements_analyzer->getFilePath()));
83			$path_to_file = $include_path ? $include_path : $path_to_file;
84
85			if (DIRECTORY_SEPARATOR === '/') {
86			$is_path_relative = $path_to_file[0] !== DIRECTORY_SEPARATOR;
87			} else {
88			$is_path_relative = !preg_match('~^[A-Z]:\\\\~i', $path_to_file);
89			}
90
91			if ($is_path_relative) {
92			$path_to_file = $config->base_dir . DIRECTORY_SEPARATOR . $path_to_file;
93			}
94			} else {
95			$path_to_file = self::getPathTo(
96			$stmt->expr,
97			$statements_analyzer->node_data,
98			$statements_analyzer,
99			$statements_analyzer->getFileName(),
100			$config
101			);
102			}
103
104			if ($stmt_expr_type
105			&& $codebase->taint
106			&& $stmt_expr_type->parent_nodes
107			&& $codebase->config->trackTaintsInPath($statements_analyzer->getFilePath())
108			&& !\in_array('TaintedInput', $statements_analyzer->getSuppressedIssues())
109			) {
110			$arg_location = new CodeLocation($statements_analyzer->getSource(), $stmt->expr);
111
112			$include_param_sink = Sink::getForMethodArgument(
113			'include',
114			'include',
115			0,
116			$arg_location
117			);
118
119			$include_param_sink->taints = [\Psalm\Type\TaintKind::INPUT_TEXT];
			0 ignored issues – show Documentation Bug introduced 2020-05-25 17:14 UTC by Report Bug Copy Issue Report It seems like `array(\Psalm\Type\TaintKind::INPUT_TEXT)` of type `array<integer,?>` is incompatible with the declared type `array<integer,string>` of property `$taints`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
120
121			$codebase->taint->addSink($include_param_sink);
122
123			foreach ($stmt_expr_type->parent_nodes as $parent_node) {
124			$codebase->taint->addPath($parent_node, $include_param_sink, 'arg');
125			}
126			}
127
128			if ($path_to_file) {
129			$path_to_file = self::normalizeFilePath($path_to_file);
130
131			// if the file is already included, we can't check much more
132			if (in_array(realpath($path_to_file), get_included_files(), true)) {
133			return true;
134			}
135
136			$current_file_analyzer = $statements_analyzer->getFileAnalyzer();
137
138			if ($current_file_analyzer->project_analyzer->fileExists($path_to_file)) {
139			if ($statements_analyzer->hasParentFilePath($path_to_file)
140			\|\| !$codebase->file_storage_provider->has($path_to_file)
141			\|\| ($statements_analyzer->hasAlreadyRequiredFilePath($path_to_file)
142			&& !$codebase->file_storage_provider->get($path_to_file)->has_extra_statements)
143			) {
144			return true;
145			}
146
147			$current_file_analyzer->addRequiredFilePath($path_to_file);
148
149			$file_name = $config->shortenFileName($path_to_file);
150
151			$nesting = $statements_analyzer->getRequireNesting() + 1;
152			$current_file_analyzer->project_analyzer->progress->debug(
153			str_repeat(' ', $nesting) . 'checking ' . $file_name . PHP_EOL
154			);
155
156			$include_file_analyzer = new \Psalm\Internal\Analyzer\FileAnalyzer(
157			$current_file_analyzer->project_analyzer,
158			$path_to_file,
159			$file_name
160			);
161
162			$include_file_analyzer->setRootFilePath(
163			$current_file_analyzer->getRootFilePath(),
164			$current_file_analyzer->getRootFileName()
165			);
166
167			$include_file_analyzer->addParentFilePath($current_file_analyzer->getFilePath());
168			$include_file_analyzer->addRequiredFilePath($current_file_analyzer->getFilePath());
169
170			foreach ($current_file_analyzer->getRequiredFilePaths() as $required_file_path) {
171			$include_file_analyzer->addRequiredFilePath($required_file_path);
172			}
173
174			foreach ($current_file_analyzer->getParentFilePaths() as $parent_file_path) {
175			$include_file_analyzer->addParentFilePath($parent_file_path);
176			}
177
178			try {
179			$include_file_analyzer->analyze(
180			$context,
181			false,
182			$global_context
183			);
184			} catch (\Psalm\Exception\UnpreparedAnalysisException $e) {
185			if ($config->skip_checks_on_unresolvable_includes) {
186			$context->check_classes = false;
187			$context->check_variables = false;
188			$context->check_functions = false;
189			}
190			}
191
192			$included_return_type = $include_file_analyzer->getReturnType();
193
194			if ($included_return_type) {
195			$statements_analyzer->node_data->setType($stmt, $included_return_type);
196			}
197
198			$context->has_returned = false;
199
200			foreach ($include_file_analyzer->getRequiredFilePaths() as $required_file_path) {
201			$current_file_analyzer->addRequiredFilePath($required_file_path);
202			}
203
204			$include_file_analyzer->clearSourceBeforeDestruction();
205
206			return true;
207			}
208
209			$source = $statements_analyzer->getSource();
210
211			if (IssueBuffer::accepts(
212			new MissingFile(
213			'Cannot find file ' . $path_to_file . ' to include',
214			new CodeLocation($source, $stmt)
215			),
216			$source->getSuppressedIssues()
217			)) {
218			// fall through
219			}
220			} else {
221			$var_id = ExpressionIdentifier::getArrayVarId($stmt->expr, null);
222
223			if (!$var_id \|\| !isset($context->phantom_files[$var_id])) {
224			$source = $statements_analyzer->getSource();
225
226			if (IssueBuffer::accepts(
227			new UnresolvableInclude(
228			'Cannot resolve the given expression to a file path',
229			new CodeLocation($source, $stmt)
230			),
231			$source->getSuppressedIssues()
232			)) {
233			// fall through
234			}
235			}
236			}
237
238			if ($config->skip_checks_on_unresolvable_includes) {
239			$context->check_classes = false;
240			$context->check_variables = false;
241			$context->check_functions = false;
242			}
243
244			return true;
245			}
246
247			/**
248			* @param PhpParser\Node\Expr $stmt
249			* @param string $file_name
250			*
251			* @return string\|null
252			* @psalm-suppress MixedAssignment
253			*/
254			public static function getPathTo(
255			PhpParser\Node\Expr $stmt,
256			?\Psalm\Internal\Provider\NodeDataProvider $type_provider,
257			?StatementsAnalyzer $statements_analyzer,
258			$file_name,
259			Config $config
260			) {
261			if (DIRECTORY_SEPARATOR === '/') {
262			$is_path_relative = $file_name[0] !== DIRECTORY_SEPARATOR;
263			} else {
264			$is_path_relative = !preg_match('~^[A-Z]:\\\\~i', $file_name);
265			}
266
267			if ($is_path_relative) {
268			$file_name = $config->base_dir . DIRECTORY_SEPARATOR . $file_name;
269			}
270
271			if ($stmt instanceof PhpParser\Node\Scalar\String_) {
272			if (DIRECTORY_SEPARATOR !== '/') {
273			return str_replace('/', DIRECTORY_SEPARATOR, $stmt->value);
274			}
275			return $stmt->value;
276			}
277
278			$stmt_type = $type_provider ? $type_provider->getType($stmt) : null;
279
280			if ($stmt_type && $stmt_type->isSingleStringLiteral()) {
281			if (DIRECTORY_SEPARATOR !== '/') {
282			return str_replace(
283			'/',
284			DIRECTORY_SEPARATOR,
285			$stmt_type->getSingleStringLiteral()->value
286			);
287			}
288
289			return $stmt_type->getSingleStringLiteral()->value;
290			}
291
292			if ($stmt instanceof PhpParser\Node\Expr\ArrayDimFetch) {
293			if ($stmt->var instanceof PhpParser\Node\Expr\Variable
294			&& $stmt->var->name === 'GLOBALS'
295			&& $stmt->dim instanceof PhpParser\Node\Scalar\String_
296			) {
297			if (isset($GLOBALS[$stmt->dim->value]) && is_string($GLOBALS[$stmt->dim->value])) {
298			/** @var string */
299			return $GLOBALS[$stmt->dim->value];
300			}
301			}
302			} elseif ($stmt instanceof PhpParser\Node\Expr\BinaryOp\Concat) {
303			$left_string = self::getPathTo($stmt->left, $type_provider, $statements_analyzer, $file_name, $config);
304			$right_string = self::getPathTo($stmt->right, $type_provider, $statements_analyzer, $file_name, $config);
305
306			if ($left_string && $right_string) {
307			return $left_string . $right_string;
308			}
309			} elseif ($stmt instanceof PhpParser\Node\Expr\FuncCall &&
310			$stmt->name instanceof PhpParser\Node\Name &&
311			$stmt->name->parts === ['dirname']
312			) {
313			if ($stmt->args) {
314			$dir_level = 1;
315
316			if (isset($stmt->args[1])) {
317			if ($stmt->args[1]->value instanceof PhpParser\Node\Scalar\LNumber) {
318			$dir_level = $stmt->args[1]->value->value;
319			} else {
320			return null;
321			}
322			}
323
324			$evaled_path = self::getPathTo(
325			$stmt->args[0]->value,
326			$type_provider,
327			$statements_analyzer,
328			$file_name,
329			$config
330			);
331
332			if (!$evaled_path) {
333			return null;
334			}
335
336			return dirname($evaled_path, $dir_level);
337			}
338			} elseif ($stmt instanceof PhpParser\Node\Expr\ConstFetch) {
339			$const_name = implode('', $stmt->name->parts);
340
341			if (defined($const_name)) {
342			$constant_value = constant($const_name);
343
344			if (is_string($constant_value)) {
345			return $constant_value;
346			}
347			}
348			} elseif ($stmt instanceof PhpParser\Node\Scalar\MagicConst\Dir) {
349			return dirname($file_name);
350			} elseif ($stmt instanceof PhpParser\Node\Scalar\MagicConst\File) {
351			return $file_name;
352			}
353
354			return null;
355			}
356
357			/**
358			* @param string $file_name
359			* @param string $current_directory
360			*
361			* @return string\|null
362			*/
363			public static function resolveIncludePath($file_name, $current_directory)
364			{
365			if (!$current_directory) {
366			return $file_name;
367			}
368
369			$paths = PATH_SEPARATOR == ':'
370			? preg_split('#(?<!phar):#', get_include_path())
371			: explode(PATH_SEPARATOR, get_include_path());
372
373			foreach ($paths as $prefix) {
374			$ds = substr($prefix, -1) == DIRECTORY_SEPARATOR ? '' : DIRECTORY_SEPARATOR;
375
376			if ($prefix === '.') {
377			$prefix = $current_directory;
378			}
379
380			$file = $prefix . $ds . $file_name;
381
382			if (file_exists($file)) {
383			return $file;
384			}
385			}
386
387			return null;
388			}
389
390			public static function normalizeFilePath(string $path_to_file) : string
391			{
392			// replace all \ with / for normalization
393			$path_to_file = str_replace('\\', '/', $path_to_file);
394			$path_to_file = str_replace('/./', '/', $path_to_file);
395
396			// first remove unnecessary / duplicates
397			$path_to_file = preg_replace('/\/[\/]+/', '/', $path_to_file);
398
399			$reduce_pattern = '/\/[^\/]+\/\.\.\//';
400
401			while (preg_match($reduce_pattern, $path_to_file)) {
402			$path_to_file = preg_replace($reduce_pattern, '/', $path_to_file, 1);
403			}
404
405			if (DIRECTORY_SEPARATOR !== '/') {
406			$path_to_file = str_replace('/', DIRECTORY_SEPARATOR, $path_to_file);
407			}
408
409			return $path_to_file;
410			}
411			}
412

vimeo / psalm

IncludeAnalyzer::getPathTo() F last analyzed 2020-07-20 09:18 UTC

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IncludeAnalyzer::getPathTo() F
last analyzed 2020-07-20 09:18 UTC