Pipeline::realignIDs() - Code Metrics - matecat/subfiltering - Measure and Improve Code Quality continuously with Scrutinizer

Pipeline::realignIDs() A
last analyzed 2025-09-26 09:21 UTC

↳ Parent: Pipeline

Complexity

Conditions	3
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	3

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	3
eloc	5
c	1
b	0
f	0
nc	2
nop	1
dl	0
loc	10
ccs	6
cts	6
cp	1
crap	3
rs	10

<?php
/**
 * Created by PhpStorm.
 * @author domenico [email protected] / [email protected]
 * Date: 05/11/18
 * Time: 14.05
 *
 */

namespace Matecat\SubFiltering\Commons;

use Matecat\SubFiltering\Enum\ConstantEnum;

/**
 * Class Pipeline
 *
 * Orchestrates a sequence of handler objects for segment transformation,
 * manages handler order, tracks transformation state, and realigns segment IDs.
 *
 * @package Matecat\SubFiltering\Commons
 */
class Pipeline {

    /**
     * Registered handler instances that make up the processing pipeline.
     *
     * @var AbstractHandler[]
     */
    protected array $handlers;

    /**
     * Tracks the current segment/internal ID number for realignment.
     *
     * @var int
     */
    protected int $id_number = -1;

    /**
     * The optional source string the Pipeline operates on.
     *
     * @var string|null
     */
    protected ?string $source;

    /**
     * The optional target string the Pipeline operates on.
     *
     * @var string|null
     */
    protected ?string $target;

    /**
     * A key/value map used for reference during segment processing.
     *
     * @var array
     */
    protected array $dataRefMap;

    /**
     * True if the processed segment contains HTML markup.
     *
     * @var bool
     */
    private bool $segmentContainsMarkup = false;

    /**
     * Constructor.
     *
     * @param string|null $source     The source segment, if available.
     * @param string|null $target     The target segment, if available.
     * @param array       $dataRefMap Optional reference map relevant to the segment.
     */
    public function __construct( ?string $source = null, ?string $target = null, array $dataRefMap = [] ) {
        $this->source     = $source;
        $this->target     = $target;
        $this->dataRefMap = $dataRefMap;
    }

    /**
     * Gets and increments the next unique internal identifier for segment elements.
     *
     * @return string The generated identifier.
     */
    public function getNextId(): string {
        $this->id_number++;

        return ConstantEnum::INTERNAL_ATTR_ID_PREFIX . $this->id_number;
    }

    /**
     * Sets the segmentContainsMarkup flag for the current segment.
     *
     * @return void
     */
    public function _setSegmentContainsMarkup() {
        $this->segmentContainsMarkup = true;
    }

    /**
     * Returns the configured source segment.
     *
     * @return string|null Source segment or null if not set.
     */
    public function getSource(): ?string {
        return $this->source;
    }

    /**
     * Returns the configured target segment.
     *
     * @return string|null Target segment or null if not set.
     */
    public function getTarget(): ?string {
        return $this->target;
    }

    /**
     * Returns the mapping array provided to the pipeline for external reference.
     *
     * @return array The data reference map.
     */
    public function getDataRefMap(): array {
        return $this->dataRefMap;
    }

    /**
     * Checks if a handler of the specified class is already registered in the pipeline.
     *
     * @param class-string<AbstractHandler> $handlerClass The handler

     */
    public function contains( string $handlerClass ): bool {
        return !empty( array_filter( $this->handlers, function ( $handler ) use ( $handlerClass ) {
            return $handlerClass == $handler->getName();
        } ) );
    }

    /**
     * Prepends a handler instance to the beginning of the pipeline.
     *
     * @param class-string<AbstractHandler> $handler Class name (FQN) of the handler to add.

     *
     * @return $this This pipeline instance (for method chaining).
     */
    public function addFirst( string $handler ): Pipeline {
        $handlerInstance = $this->_register( $handler );
        array_unshift( $this->handlers, $handlerInstance );

        return $this;
    }

    /**
     * Inserts a handler into the pipeline before another specified handler.
     *
     * @param class-string<AbstractHandler> $before      Class name (FQN) of the handler before which the new handler will be inserted.

     * @param class-string<AbstractHandler> $newPipeline Class name (FQN) of the new handler to insert.
     *
     * @return $this This pipeline instance (for method chaining).
     */
    public function addBefore( string $before, string $newPipeline ): Pipeline {
        $newPipelineHandler = $this->_register( $newPipeline );
        foreach ( $this->handlers as $pos => $handler ) {
            if ( $handler->getName() == $before ) {
                array_splice( $this->handlers, $pos, 0, [ $newPipelineHandler ] );
                break;
            }
        }

        return $this;

    }

    /**
     * Inserts a handler into the pipeline after another specified handler.
     *
     * @param class-string<AbstractHandler> $after       Class name (FQN) of the handler after which the new handler will be inserted.

     * @param class-string<AbstractHandler> $newPipeline Class name (FQN) of the new handler to insert.
     *
     * @return $this This pipeline instance (for method chaining).
     */
    public function addAfter( string $after, string $newPipeline ): Pipeline {
        $newPipelineHandler = $this->_register( $newPipeline );
        foreach ( $this->handlers as $pos => $handler ) {
            if ( $handler->getName() == $after ) {
                array_splice( $this->handlers, $pos + 1, 0, [ $newPipelineHandler ] );
                break;
            }
        }

        return $this;

    }

    /**
     * Removes the specified handler class from the pipeline.
     *
     * @param class-string<AbstractHandler> $handlerToDelete Handler class name (FQN) to remove.

     *
     * @return $this This pipeline instance (for method chaining).
     */
    public function remove( string $handlerToDelete ): Pipeline {
        foreach ( $this->handlers as $pos => $handler ) {
            if ( $handler->getName() == $handlerToDelete ) {
                unset( $this->handlers[ $pos ] );
                $this->handlers = array_values( $this->handlers );
                break;
            }
        }

        return $this;
    }

    /**
     * Appends a handler instance to the end of the pipeline.
     *
     * @param class-string<AbstractHandler> $handler Class name (FQN) of the handler to add.

     *
     * @return $this This pipeline instance (for method chaining).
     */
    public function addLast( string $handler ): Pipeline {
        $newHandler       = $this->_register( $handler );
        $this->handlers[] = $newHandler;

        return $this;
    }

    /**
     * Transforms the provided segment by sequentially applying all registered handlers
     * and realigns IDs afterward.
     *
     * @param string $segment The input segment string to process.
     *
     * @return string The processed segment after all transformations.
     */
    public function transform( string $segment ): string {
        $this->id_number = -1;
        foreach ( $this->handlers as $handler ) {
            $segment = $handler->transform( $segment );
        }

        return $this->realignIDs( $segment );
    }

    /**
     * Adjusts and realigns ID tags in the provided segment string,
     * so IDs are sequential and formatted as required.
     *
     * @param string $segment The input string containing ID tags to realign.
     *
     * @return string The string with realigned and updated ID tags.
     */
    protected function realignIDs( string $segment ): string {
        if ( $this->id_number > -1 ) {
            preg_match_all( '/"__mtc_[0-9]+"/', $segment, $html, PREG_SET_ORDER );
            foreach ( $html as $pos => $tag_id ) {
                //replace subsequent elements excluding already encoded
                $segment = preg_replace( '/' . $tag_id[ 0 ] . '/', '"mtc_' . ( $pos + 1 ) . '"', $segment, 1 );
            }
        }

        return $segment;
    }

    /**
     * Instantiates a handler by class name and registers this pipeline with it.
     *
     * @template T of AbstractHandler
     * @param class-string<T> $handler Handler class name to instantiate.

     *
     * @return T An instantiated handler object with the pipeline set.
     */
    protected function _register( string $handler ): AbstractHandler {
        $handler = new $handler();
        $handler->setPipeline( $this );

        return $handler;
    }

}

1		<?php
2		/**
3		* Created by PhpStorm.
4		* @author domenico [email protected] / [email protected]
5		* Date: 05/11/18
6		* Time: 14.05
7		*
8		*/
9
10		namespace Matecat\SubFiltering\Commons;
11
12		use Matecat\SubFiltering\Enum\ConstantEnum;
13
14		/**
15		* Class Pipeline
16		*
17		* Orchestrates a sequence of handler objects for segment transformation,
18		* manages handler order, tracks transformation state, and realigns segment IDs.
19		*
20		* @package Matecat\SubFiltering\Commons
21		*/
22		class Pipeline {
23
24		/**
25		* Registered handler instances that make up the processing pipeline.
26		*
27		* @var AbstractHandler[]
28		*/
29		protected array $handlers;
30
31		/**
32		* Tracks the current segment/internal ID number for realignment.
33		*
34		* @var int
35		*/
36		protected int $id_number = -1;
37
38		/**
39		* The optional source string the Pipeline operates on.
40		*
41		* @var string\|null
42		*/
43		protected ?string $source;
44
45		/**
46		* The optional target string the Pipeline operates on.
47		*
48		* @var string\|null
49		*/
50		protected ?string $target;
51
52		/**
53		* A key/value map used for reference during segment processing.
54		*
55		* @var array
56		*/
57		protected array $dataRefMap;
58
59		/**
60		* True if the processed segment contains HTML markup.
61		*
62		* @var bool
63		*/
64		private bool $segmentContainsMarkup = false;
65
66		/**
67		* Constructor.
68		*
69		* @param string\|null $source The source segment, if available.
70		* @param string\|null $target The target segment, if available.
71		* @param array $dataRefMap Optional reference map relevant to the segment.
72		*/
73	120	public function __construct( ?string $source = null, ?string $target = null, array $dataRefMap = [] ) {
74	120	$this->source = $source;
75	120	$this->target = $target;
76	120	$this->dataRefMap = $dataRefMap;
77		}
78
79		/**
80		* Gets and increments the next unique internal identifier for segment elements.
81		*
82		* @return string The generated identifier.
83		*/
84	66	public function getNextId(): string {
85	66	$this->id_number++;
86
87	66	return ConstantEnum::INTERNAL_ATTR_ID_PREFIX . $this->id_number;
88		}
89
90		/**
91		* Sets the segmentContainsMarkup flag for the current segment.
92		*
93		* @return void
94		*/
95	27	public function _setSegmentContainsMarkup() {
96	27	$this->segmentContainsMarkup = true;
97		}
98
99		/**
100		* Returns the configured source segment.
101		*
102		* @return string\|null Source segment or null if not set.
103		*/
104	88	public function getSource(): ?string {
105	88	return $this->source;
106		}
107
108		/**
109		* Returns the configured target segment.
110		*
111		* @return string\|null Target segment or null if not set.
112		*/
113	88	public function getTarget(): ?string {
114	88	return $this->target;
115		}
116
117		/**
118		* Returns the mapping array provided to the pipeline for external reference.
119		*
120		* @return array The data reference map.
121		*/
122	59	public function getDataRefMap(): array {
123	59	return $this->dataRefMap;
124		}
125
126		/**
127		* Checks if a handler of the specified class is already registered in the pipeline.
128		*
129		* @param class-string<AbstractHandler> $handlerClass The handler
		0 ignored issues – show Documentation Bug introduced 2025-09-05 18:27 UTC by Report Bug Copy Issue Report The doc comment `class-string<AbstractHandler>` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string<AbstractHandler>. Loading history...
130		*/
131	9	public function contains( string $handlerClass ): bool {
132	9	return !empty( array_filter( $this->handlers, function ( $handler ) use ( $handlerClass ) {
133	9	return $handlerClass == $handler->getName();
134	9	} ) );
135		}
136
137		/**
138		* Prepends a handler instance to the beginning of the pipeline.
139		*
140		* @param class-string<AbstractHandler> $handler Class name (FQN) of the handler to add.
		0 ignored issues – show Documentation Bug introduced 2025-09-05 18:27 UTC by Report Bug Copy Issue Report The doc comment `class-string<AbstractHandler>` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string<AbstractHandler>. Loading history...
141		*
142		* @return $this This pipeline instance (for method chaining).
143		*/
144	1	public function addFirst( string $handler ): Pipeline {
145	1	$handlerInstance = $this->_register( $handler );
146	1	array_unshift( $this->handlers, $handlerInstance );
147
148	1	return $this;
149		}
150
151		/**
152		* Inserts a handler into the pipeline before another specified handler.
153		*
154		* @param class-string<AbstractHandler> $before Class name (FQN) of the handler before which the new handler will be inserted.
		0 ignored issues – show Documentation Bug introduced 2025-09-05 18:27 UTC by Report Bug Copy Issue Report The doc comment `class-string<AbstractHandler>` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string<AbstractHandler>. Loading history...
155		* @param class-string<AbstractHandler> $newPipeline Class name (FQN) of the new handler to insert.
156		*
157		* @return $this This pipeline instance (for method chaining).
158		*/
159	1	public function addBefore( string $before, string $newPipeline ): Pipeline {
160	1	$newPipelineHandler = $this->_register( $newPipeline );
161	1	foreach ( $this->handlers as $pos => $handler ) {
162	1	if ( $handler->getName() == $before ) {
163	1	array_splice( $this->handlers, $pos, 0, [ $newPipelineHandler ] );
164	1	break;
165		}
166		}
167
168	1	return $this;
169
170		}
171
172		/**
173		* Inserts a handler into the pipeline after another specified handler.
174		*
175		* @param class-string<AbstractHandler> $after Class name (FQN) of the handler after which the new handler will be inserted.
		0 ignored issues – show Documentation Bug introduced 2025-09-05 18:27 UTC by Report Bug Copy Issue Report The doc comment `class-string<AbstractHandler>` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string<AbstractHandler>. Loading history...
176		* @param class-string<AbstractHandler> $newPipeline Class name (FQN) of the new handler to insert.
177		*
178		* @return $this This pipeline instance (for method chaining).
179		*/
180	9	public function addAfter( string $after, string $newPipeline ): Pipeline {
181	9	$newPipelineHandler = $this->_register( $newPipeline );
182	9	foreach ( $this->handlers as $pos => $handler ) {
183	9	if ( $handler->getName() == $after ) {
184	8	array_splice( $this->handlers, $pos + 1, 0, [ $newPipelineHandler ] );
185	8	break;
186		}
187		}
188
189	9	return $this;
190
191		}
192
193		/**
194		* Removes the specified handler class from the pipeline.
195		*
196		* @param class-string<AbstractHandler> $handlerToDelete Handler class name (FQN) to remove.
		0 ignored issues – show Documentation Bug introduced 2025-09-05 18:27 UTC by Report Bug Copy Issue Report The doc comment `class-string<AbstractHandler>` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string<AbstractHandler>. Loading history...
197		*
198		* @return $this This pipeline instance (for method chaining).
199		*/
200	3	public function remove( string $handlerToDelete ): Pipeline {
201	3	foreach ( $this->handlers as $pos => $handler ) {
202	3	if ( $handler->getName() == $handlerToDelete ) {
203	3	unset( $this->handlers[ $pos ] );
204	3	$this->handlers = array_values( $this->handlers );
205	3	break;
206		}
207		}
208
209	3	return $this;
210		}
211
212		/**
213		* Appends a handler instance to the end of the pipeline.
214		*
215		* @param class-string<AbstractHandler> $handler Class name (FQN) of the handler to add.
		0 ignored issues – show Documentation Bug introduced 2025-09-05 18:27 UTC by Report Bug Copy Issue Report The doc comment `class-string<AbstractHandler>` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string<AbstractHandler>. Loading history...
216		*
217		* @return $this This pipeline instance (for method chaining).
218		*/
219	120	public function addLast( string $handler ): Pipeline {
220	120	$newHandler = $this->_register( $handler );
221	120	$this->handlers[] = $newHandler;
222
223	120	return $this;
224		}
225
226		/**
227		* Transforms the provided segment by sequentially applying all registered handlers
228		* and realigns IDs afterward.
229		*
230		* @param string $segment The input segment string to process.
231		*
232		* @return string The processed segment after all transformations.
233		*/
234	110	public function transform( string $segment ): string {
235	110	$this->id_number = -1;
236	110	foreach ( $this->handlers as $handler ) {
237	110	$segment = $handler->transform( $segment );
238		}
239
240	110	return $this->realignIDs( $segment );
241		}
242
243		/**
244		* Adjusts and realigns ID tags in the provided segment string,
245		* so IDs are sequential and formatted as required.
246		*
247		* @param string $segment The input string containing ID tags to realign.
248		*
249		* @return string The string with realigned and updated ID tags.
250		*/
251	110	protected function realignIDs( string $segment ): string {
252	110	if ( $this->id_number > -1 ) {
253	66	preg_match_all( '/"__mtc_[0-9]+"/', $segment, $html, PREG_SET_ORDER );
254	66	foreach ( $html as $pos => $tag_id ) {
255		//replace subsequent elements excluding already encoded
256	66	$segment = preg_replace( '/' . $tag_id[ 0 ] . '/', '"mtc_' . ( $pos + 1 ) . '"', $segment, 1 );
257		}
258		}
259
260	110	return $segment;
261		}
262
263		/**
264		* Instantiates a handler by class name and registers this pipeline with it.
265		*
266		* @template T of AbstractHandler
267		* @param class-string<T> $handler Handler class name to instantiate.
		0 ignored issues – show Documentation Bug introduced 2025-09-05 18:27 UTC by Report Bug Copy Issue Report The doc comment `class-string<T>` at position `0` could not be parsed: Unknown type name 'class-string' at position 0 in class-string<T>. Loading history...
268		*
269		* @return T An instantiated handler object with the pipeline set.
270		*/
271	120	protected function _register( string $handler ): AbstractHandler {
272	120	$handler = new $handler();
273	120	$handler->setPipeline( $this );
274
275	120	return $handler;
276		}
277
278		}

matecat / subfiltering

Pipeline::realignIDs() A last analyzed 2025-09-26 09:21 UTC

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like

Pipeline::realignIDs() A
last analyzed 2025-09-26 09:21 UTC