SchemaParser::parse() - Code Metrics - aurimasniekis/php-tdlib-schema - Measure and Improve Code Quality continuously with Scrutinizer

SchemaParser::parse() F
last analyzed 2020-04-07 04:28 UTC

↳ Parent: SchemaParser

Complexity

Conditions	45
Paths	> 20000

Size

Total Lines	198
Code Lines	123

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	45
eloc	123
nc	230447
nop	0
dl	0
loc	198
rs	0
c	0
b	0
f	0

How to fix Long Method Complexity

<?php

declare(strict_types=1);

namespace AurimasNiekis\TdLibSchema\Generator\Parser;

use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;

/**
 * @author  Aurimas Niekis <[email protected]>
 */
class SchemaParser
{
    public const MASTER_TL_API_SOURCE_URL = 'https://raw.githubusercontent.com/tdlib/td/master/td/generate/scheme/td_api.tl';

    private LoggerInterface $logger;

    private string          $schemaFile;
    private string          $rawSchema;
    private string          $currentLine;
    private int             $currentLineNr;
    private array           $documentation;
    private array           $classes;

    public function __construct(LoggerInterface $logger = null, string $schemaFile = null)
    {
        $this->logger        = $logger ?? new NullLogger();
        $this->schemaFile    = $schemaFile ?? static::MASTER_TL_API_SOURCE_URL;
        $this->rawSchema     = file_get_contents($this->schemaFile);
        $this->documentation = [];
        $this->classes       = [];
    }

    /**
     * @return ClassDefinition[]
     */
    public function parse(): array
    {
        $lines = explode(PHP_EOL, $this->rawSchema);

        $description          = '';
        $currentClassName     = '';
        $currentClass         = new ClassDefinition();
        $isFunction           = false;
        $needClassDescription = false;
        $this->currentLineNr  = 0;

        foreach ($lines as $line) {
            $this->logger->debug('Current Line', ['line' => $line]);

            $this->currentLine = $line;
            $this->currentLineNr++;

            if ('---types---' === $line) {
                $isFunction = false;
            } elseif ('---functions---' === $line) {
                $isFunction           = true;
                $currentClassName     = '';
                $currentClass         = new ClassDefinition();
                $needClassDescription = false;
            } elseif (($line[0] ?? '') === '/') {
                if (($line[1] ?? '') !== '/') {
                    $this->printError('Wrong comment');

                    continue;
                }

                if (($line[2] ?? '') === '@' || ($line[2] ?? '') === '-') {
                    $description .= trim(substr($line, 2 + intval('-' === $line[2]))) . ' ';
                } else {
                    $this->printError('Unexpected comment');
                }
            } elseif (strpos($line, '? =') || strpos($line, ' = Vector t;') || 'boolFalse = Bool;' === $line ||
                'boolTrue = Bool;' === $line || 'bytes = Bytes;' === $line || 'int32 = Int32;' === $line ||
                'int53 = Int53;' === $line || 'int64 = Int64;' === $line) {
                $this->printDebug('skip built-in types');

                continue;
            } else {
                $description = trim($description);

                if ('' === $description) {
//                    $this->printError('Empty description', ['description' => $description]);
                }

                if (($description[0] ?? '') !== '@') {
//                    $this->printError('Wrong description begin', ['description' => $description]);
                }

                $docs = explode('@', $description);
                array_shift($docs);

                $info = [];
                foreach ($docs as $doc) {
                    [$key, $value] = explode(' ', $doc, 2);
                    $value         = trim($value);

                    if ($needClassDescription) {
                        if ('description' === $key) {
                            $needClassDescription = false;

                            $currentClass->classDocs   = $value;
                            $currentClass->parentClass = 'Object';
                            $currentClass->typeName    = $currentClass->className;

                            $this->classes[$value] = $currentClass;
                            $currentClass          = new ClassDefinition();
                            continue;
                        } else {
                            $this->printError('Expected abstract class description', ['description' => $description]);
                        }
                    }

                    if ('class' === $key) {
                        $currentClassName        = $this->getClassName($value);
                        $currentClass->className = $currentClassName;

                        $needClassDescription = true;

                        if ($isFunction) {
                            $this->printError('Unexpected class definition');
                        }
                    } else {
                        if (isset($info[$key])) {
//                            $this->printError("Duplicate info about `$key`");
                        }
                        $info[$key] = trim($value);
                    }
                }

                if (1 !== substr_count($line, '=')) {
//                    $this->printError("Wrong '=' count");
                    continue;
                }

                [$fields, $type] = explode('=', $line);
                $type            = $this->getClassName($type);
                $fields          = explode(' ', trim($fields));
                $typeName        = array_shift($fields);
                $className       = $this->getClassName($typeName);

                if ($type !== $currentClassName) {
                    $currentClassName     = '';
                    $currentClass         = new ClassDefinition();
                    $needClassDescription = false;
                }

                if (!$isFunction) {
                    $typeLower      = strtolower($type);
                    $classNameLower = strtolower($className);

                    if (empty($currentClassName) === ($typeLower !== $classNameLower)) {
                        $this->printError('Wrong constructor name');
                    }

                    if (0 !== strpos($classNameLower, $typeLower)) {
                        // $this->printError('Wrong constructor name');
                    }
                }

                $knownFields = [];
                foreach ($fields as $field) {
                    [$fieldName, $fieldType] = explode(':', $field);

                    if (isset($info['param_' . $fieldName])) {
                        $knownFields['param_' . $fieldName] = $fieldType;

                        continue;
                    }

                    if (isset($info[$fieldName])) {
                        $knownFields[$fieldName] = $fieldType;

                        continue;
                    }

                    $this->printError("Have no info about field `$fieldName`");
                }

                foreach ($info as $name => $value) {
                    if (!$value) {
                        $this->printError("info[$name] for $className is empty");
                    } elseif (($value[0] < 'A' || $value[0] > 'Z') && ($value[0] < '0' || $value[0] > '9')) {
                        $this->printError("info[$name] for $className doesn't begins with capital letter");
                    }
                }

                foreach (array_diff_key($info, $knownFields) as $fieldName => $fieldInfo) {
                    if ('description' !== $fieldName) {
                        $this->printError("Have info about unexisted field `$fieldName`");
                    }
                }

                if (!isset($info['description'])) {
                    $this->printError("Have no description for class `$className`");
                }

                $baseClassName    = $currentClassName ?: $this->getBaseClassName($isFunction);
                $classDescription = $info['description'];

                if ($isFunction) {
                    $currentClass->returnType = $this->getTypeName($type);
                }

                $currentClass->className   = $className;
                $currentClass->parentClass = $baseClassName;
                $currentClass->classDocs   = $classDescription;
                $currentClass->typeName    = $typeName;

                foreach ($knownFields as $name => $fieldType) {
                    $mayBeNull     = false !== stripos($info[$name], 'may be null');
                    $fieldName     = $this->getFieldName($name, $className);
                    $fieldTypeName = $this->getTypeName($fieldType);

                    $rawName = $name;
                    if ('param_' === substr($rawName, 0, 6)) {
                        $rawName = substr($rawName, 6);
                    }

                    $field            = $currentClass->getField($name);
                    $field->rawName   = $rawName;
                    $field->name      = $fieldName;
                    $field->type      = $fieldTypeName;
                    $field->doc       = $info[$name];
                    $field->mayBeNull = $mayBeNull;
                }

                $this->classes[$typeName] = $currentClass;
                $currentClass             = new ClassDefinition();
                $description              = '';
            }
        }

        return $this->classes;
    }

    private function printError(string $msg, array $args = []): void
    {
        $this->logger->error(
            $msg,
            array_merge(
                ['line' => $this->currentLine, 'line_nr' => $this->currentLineNr],
                $args
            )
        );
    }

    private function printDebug(string $msg, array $args = []): void
    {
        $this->logger->debug(
            $msg,
            array_merge(
                ['line' => $this->currentLine, 'line_nr' => $this->currentLineNr],
                $args
            )
        );
    }

    protected function getClassName($name): string
    {
        return implode(array_map('ucfirst', explode('.', trim($name, "\r\n ;"))));
    }

    protected function getBaseClassName($isFunction): string
    {
        return $isFunction ? 'Function' : 'Object';
    }

    protected function getTypeName($type): string
    {
        switch ($type) {
            case 'Bool':
                return 'bool';
            case 'int32':
            case 'int53':
                return 'int';
            case 'double':
                return 'float';
            case 'string':
            case 'bytes':
            case 'int64':
                return 'string';
            case 'bool':
            case 'int':
            case 'long':
            case 'Int':
            case 'Long':
            case 'Int32':
            case 'Int53':
            case 'Int64':
            case 'Double':
            case 'String':
            case 'Bytes':
                $this->printError("Wrong type $type");

                return '';
            default:
                if ('vector' === substr($type, 0, 6)) {
                    if ('<' !== $type[6] || '>' !== $type[strlen($type) - 1]) {
                        $this->printError("Wrong vector subtype in $type");

                        return '';
                    }

                    return $this->getTypeName(substr($type, 7, -1)) . '[]';
                }

                if (preg_match('/[^A-Za-z0-9.]/', $type)) {
                    $this->printError("Wrong type $type");

                    return '';
                }

                return $this->getClassName($type);
        }
    }

    protected function getFieldName($name, $className): string
    {
        if ('param_' === substr($name, 0, 6)) {
            $name = substr($name, 6);
        }

        return preg_replace_callback(
            '/_([A-Za-z])/',
            fn ($matches) => strtoupper($matches[1]),
            trim($name)
        );
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace AurimasNiekis\TdLibSchema\Generator\Parser;
6
7			use Psr\Log\LoggerInterface;
8			use Psr\Log\NullLogger;
9
10			/**
11			* @author Aurimas Niekis <[email protected]>
12			*/
13			class SchemaParser
14			{
15			public const MASTER_TL_API_SOURCE_URL = 'https://raw.githubusercontent.com/tdlib/td/master/td/generate/scheme/td_api.tl';
16
17			private LoggerInterface $logger;
18
19			private string $schemaFile;
20			private string $rawSchema;
21			private string $currentLine;
22			private int $currentLineNr;
23			private array $documentation;
24			private array $classes;
25
26			public function __construct(LoggerInterface $logger = null, string $schemaFile = null)
27			{
28			$this->logger = $logger ?? new NullLogger();
29			$this->schemaFile = $schemaFile ?? static::MASTER_TL_API_SOURCE_URL;
30			$this->rawSchema = file_get_contents($this->schemaFile);
31			$this->documentation = [];
32			$this->classes = [];
33			}
34
35			/**
36			* @return ClassDefinition[]
37			*/
38			public function parse(): array
39			{
40			$lines = explode(PHP_EOL, $this->rawSchema);
41
42			$description = '';
43			$currentClassName = '';
44			$currentClass = new ClassDefinition();
45			$isFunction = false;
46			$needClassDescription = false;
47			$this->currentLineNr = 0;
48
49			foreach ($lines as $line) {
50			$this->logger->debug('Current Line', ['line' => $line]);
51
52			$this->currentLine = $line;
53			$this->currentLineNr++;
54
55			if ('---types---' === $line) {
56			$isFunction = false;
57			} elseif ('---functions---' === $line) {
58			$isFunction = true;
59			$currentClassName = '';
60			$currentClass = new ClassDefinition();
61			$needClassDescription = false;
62			} elseif (($line[0] ?? '') === '/') {
63			if (($line[1] ?? '') !== '/') {
64			$this->printError('Wrong comment');
65
66			continue;
67			}
68
69			if (($line[2] ?? '') === '@' \|\| ($line[2] ?? '') === '-') {
70			$description .= trim(substr($line, 2 + intval('-' === $line[2]))) . ' ';
71			} else {
72			$this->printError('Unexpected comment');
73			}
74			} elseif (strpos($line, '? =') \|\| strpos($line, ' = Vector t;') \|\| 'boolFalse = Bool;' === $line \|\|
75			'boolTrue = Bool;' === $line \|\| 'bytes = Bytes;' === $line \|\| 'int32 = Int32;' === $line \|\|
76			'int53 = Int53;' === $line \|\| 'int64 = Int64;' === $line) {
77			$this->printDebug('skip built-in types');
78
79			continue;
80			} else {
81			$description = trim($description);
82
83			if ('' === $description) {
84			// $this->printError('Empty description', ['description' => $description]);
85			}
86
87			if (($description[0] ?? '') !== '@') {
88			// $this->printError('Wrong description begin', ['description' => $description]);
89			}
90
91			$docs = explode('@', $description);
92			array_shift($docs);
93
94			$info = [];
95			foreach ($docs as $doc) {
96			[$key, $value] = explode(' ', $doc, 2);
97			$value = trim($value);
98
99			if ($needClassDescription) {
100			if ('description' === $key) {
101			$needClassDescription = false;
102
103			$currentClass->classDocs = $value;
104			$currentClass->parentClass = 'Object';
105			$currentClass->typeName = $currentClass->className;
106
107			$this->classes[$value] = $currentClass;
108			$currentClass = new ClassDefinition();
109			continue;
110			} else {
111			$this->printError('Expected abstract class description', ['description' => $description]);
112			}
113			}
114
115			if ('class' === $key) {
116			$currentClassName = $this->getClassName($value);
117			$currentClass->className = $currentClassName;
118
119			$needClassDescription = true;
120
121			if ($isFunction) {
122			$this->printError('Unexpected class definition');
123			}
124			} else {
125			if (isset($info[$key])) {
126			// $this->printError("Duplicate info about `$key`");
127			}
128			$info[$key] = trim($value);
129			}
130			}
131
132			if (1 !== substr_count($line, '=')) {
133			// $this->printError("Wrong '=' count");
134			continue;
135			}
136
137			[$fields, $type] = explode('=', $line);
138			$type = $this->getClassName($type);
139			$fields = explode(' ', trim($fields));
140			$typeName = array_shift($fields);
141			$className = $this->getClassName($typeName);
142
143			if ($type !== $currentClassName) {
144			$currentClassName = '';
145			$currentClass = new ClassDefinition();
146			$needClassDescription = false;
147			}
148
149			if (!$isFunction) {
150			$typeLower = strtolower($type);
151			$classNameLower = strtolower($className);
152
153			if (empty($currentClassName) === ($typeLower !== $classNameLower)) {
154			$this->printError('Wrong constructor name');
155			}
156
157			if (0 !== strpos($classNameLower, $typeLower)) {
158			// $this->printError('Wrong constructor name');
159			}
160			}
161
162			$knownFields = [];
163			foreach ($fields as $field) {
164			[$fieldName, $fieldType] = explode(':', $field);
165
166			if (isset($info['param_' . $fieldName])) {
167			$knownFields['param_' . $fieldName] = $fieldType;
168
169			continue;
170			}
171
172			if (isset($info[$fieldName])) {
173			$knownFields[$fieldName] = $fieldType;
174
175			continue;
176			}
177
178			$this->printError("Have no info about field `$fieldName`");
179			}
180
181			foreach ($info as $name => $value) {
182			if (!$value) {
183			$this->printError("info[$name] for $className is empty");
184			} elseif (($value[0] < 'A' \|\| $value[0] > 'Z') && ($value[0] < '0' \|\| $value[0] > '9')) {
185			$this->printError("info[$name] for $className doesn't begins with capital letter");
186			}
187			}
188
189			foreach (array_diff_key($info, $knownFields) as $fieldName => $fieldInfo) {
190			if ('description' !== $fieldName) {
191			$this->printError("Have info about unexisted field `$fieldName`");
192			}
193			}
194
195			if (!isset($info['description'])) {
196			$this->printError("Have no description for class `$className`");
197			}
198
199			$baseClassName = $currentClassName ?: $this->getBaseClassName($isFunction);
200			$classDescription = $info['description'];
201
202			if ($isFunction) {
203			$currentClass->returnType = $this->getTypeName($type);
204			}
205
206			$currentClass->className = $className;
207			$currentClass->parentClass = $baseClassName;
208			$currentClass->classDocs = $classDescription;
209			$currentClass->typeName = $typeName;
210
211			foreach ($knownFields as $name => $fieldType) {
212			$mayBeNull = false !== stripos($info[$name], 'may be null');
213			$fieldName = $this->getFieldName($name, $className);
214			$fieldTypeName = $this->getTypeName($fieldType);
215
216			$rawName = $name;
217			if ('param_' === substr($rawName, 0, 6)) {
218			$rawName = substr($rawName, 6);
219			}
220
221			$field = $currentClass->getField($name);
222			$field->rawName = $rawName;
223			$field->name = $fieldName;
224			$field->type = $fieldTypeName;
225			$field->doc = $info[$name];
226			$field->mayBeNull = $mayBeNull;
227			}
228
229			$this->classes[$typeName] = $currentClass;
230			$currentClass = new ClassDefinition();
231			$description = '';
232			}
233			}
234
235			return $this->classes;
236			}
237
238			private function printError(string $msg, array $args = []): void
239			{
240			$this->logger->error(
241			$msg,
242			array_merge(
243			['line' => $this->currentLine, 'line_nr' => $this->currentLineNr],
244			$args
245			)
246			);
247			}
248
249			private function printDebug(string $msg, array $args = []): void
250			{
251			$this->logger->debug(
252			$msg,
253			array_merge(
254			['line' => $this->currentLine, 'line_nr' => $this->currentLineNr],
255			$args
256			)
257			);
258			}
259
260			protected function getClassName($name): string
261			{
262			return implode(array_map('ucfirst', explode('.', trim($name, "\r\n ;"))));
263			}
264
265			protected function getBaseClassName($isFunction): string
266			{
267			return $isFunction ? 'Function' : 'Object';
268			}
269
270			protected function getTypeName($type): string
271			{
272			switch ($type) {
273			case 'Bool':
274			return 'bool';
275			case 'int32':
276			case 'int53':
277			return 'int';
278			case 'double':
279			return 'float';
280			case 'string':
281			case 'bytes':
282			case 'int64':
283			return 'string';
284			case 'bool':
285			case 'int':
286			case 'long':
287			case 'Int':
288			case 'Long':
289			case 'Int32':
290			case 'Int53':
291			case 'Int64':
292			case 'Double':
293			case 'String':
294			case 'Bytes':
295			$this->printError("Wrong type $type");
296
297			return '';
298			default:
299			if ('vector' === substr($type, 0, 6)) {
300			if ('<' !== $type[6] \|\| '>' !== $type[strlen($type) - 1]) {
301			$this->printError("Wrong vector subtype in $type");
302
303			return '';
304			}
305
306			return $this->getTypeName(substr($type, 7, -1)) . '[]';
307			}
308
309			if (preg_match('/[^A-Za-z0-9.]/', $type)) {
310			$this->printError("Wrong type $type");
311
312			return '';
313			}
314
315			return $this->getClassName($type);
316			}
317			}
318
319			protected function getFieldName($name, $className): string
320			{
321			if ('param_' === substr($name, 0, 6)) {
322			$name = substr($name, 6);
323			}
324
325			return preg_replace_callback(
326			'/_([A-Za-z])/',
327			fn ($matches) => strtoupper($matches[1]),
328			trim($name)
329			);
330			}
331			}
332

aurimasniekis / php-tdlib-schema

SchemaParser::parse() F last analyzed 2020-04-07 04:28 UTC

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SchemaParser::parse() F
last analyzed 2020-04-07 04:28 UTC