NodeGeneric::getParent() - Code Metrics - Inspection of "bee4a6fda2f988c32994dae7a6063ab5ee184e46" - dallgoot/yaml - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Branch — master (bee4a6)

by stéphane

created 2023-04-04 22:04 UTC

NodeGeneric::getParent() B

↳ Parent: NodeGeneric

Complexity

Conditions	7
Paths	5

Size

Total Lines	22
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	15
dl	0
loc	22
rs	8.8333
c	0
b	0
f	0
cc	7
nc	5
nop	1

<?php

namespace Dallgoot\Yaml\Nodes\Generic;

use Dallgoot\Yaml\NodeList;
use Dallgoot\Yaml\Nodes\Root;
use Dallgoot\Yaml\Nodes\Item;
use Dallgoot\Yaml\Nodes\Key;

/**
 * An abstract type for all Nodes that defines generic behaviour
 * Node deriving from this MUST implement the "build" method
 *
 * Note: custom var_dump output is defined by method "__debugInfo"
 *
 * @author  Stéphane Rebai <[email protected]>
 * @license Apache 2.0
 * @link    https://github.com/dallgoot/yaml
 */
abstract class NodeGeneric
{
    /** @var null|string|boolean */
    public $identifier;

    protected ?self $_parent = null;


    public ?int $indent = -1;

    public int $line = 0;

    public string $raw = '';
    /** @var null|self|NodeList */
    public $value;

    public ?string $anchor = null;

    public ?string $tag = null;


    /**
     *
     * @param array|object|null         $parent The parent collector or NULL otherwise
     *
     * @return mixed  whatever the build process returns
     */
    public abstract function build(&$parent = null);

    /**
     * Create the Node object and parses $nodeString
     *
     * @todo make it more permissive to tabs but replacement
     */
    public function __construct(string $nodeString, ?int $line = 0)
    {
        $this->raw    = $nodeString;
        $this->line   = (int) $line;
        $nodeValue    = preg_replace("/^\t+/m", " ", $nodeString);
        $this->indent = strspn($nodeValue, ' ');
    }

    /**
     * Sets the parent of the current Node
     *
     */
    protected function setParent(NodeGeneric $node): NodeGeneric
    {
        $this->_parent = $node;
        return $this;
    }

    /**
     * Gets the ancestor with specified $indent or the direct $_parent
     *
     */
    public function getParent(?int $indent = null): ?NodeGeneric
    {
        if (!is_int($indent)) {
            if ($this->_parent instanceof NodeGeneric) {
                return $this->_parent;
            } else {
                throw new \Exception("Cannnot find a parent for " . get_class($this), 1);
            }
        }
        $cursor = $this->getParent();
        while (
            !($cursor instanceof Root)
            && (is_null($cursor->indent)
                || $cursor->indent >= $indent)
        ) {
            if ($cursor->_parent) {
                $cursor = $cursor->_parent;
            } else {
                break;
            }
        }
        return $cursor;
    }

    /**
     * Gets the root of the structure map (or current Yaml document)
     *
     * @throws     \Exception  (description)
     */
    protected function getRoot(): Root
    {
        if (is_null($this->_parent)) {
            throw new \Exception(__METHOD__ . ": can only be used when Node has a parent set", 1);
        }
        $pointer = $this;
        do {
            if ($pointer->_parent instanceof NodeGeneric) {
                $pointer = $pointer->_parent;
            } else {
                throw new \Exception("Node has no _parent set : " . get_class($pointer), 1);
            }
        } while (!($pointer instanceof Root));
        return $pointer;
    }

    /**
     * Set the value for the current Node :
     * - if value is null , then value = $child (Node)
     * - if value is Node, then value is a NodeList with (previous value AND $child)
     * - if value is a NodeList, push $child into
     *
     */
    public function add(NodeGeneric $child): NodeGeneric
    {
        $child->setParent($this);
        if (is_null($this->value)) {
            $this->value = $child;
        } else {
            if ($this->value instanceof NodeGeneric) {
                $this->value = new NodeList($this->value);
            }
            $this->value->push($child);
        }
        return $child;
    }

    /**
     * Gets the deepest node.
     */
    public function getDeepestNode(): NodeGeneric
    {
        $cursor = $this;
        while ($cursor->value instanceof NodeGeneric) {
            $cursor = $cursor->value;
        }
        return $cursor;
    }

    public function specialProcess(
        /** @scrutinizer ignore-unused */
        NodeGeneric &$previous,
        /** @scrutinizer ignore-unused */
        array &$emptyLines
    ): bool {
        return false;
    }

    /**
     * Find parent target when current Node indentation is lesser than previous node indentation
     *
     */
    public function getTargetOnLessIndent(NodeGeneric &$node): ?NodeGeneric
    {
        $supposedParent = $this->getParent($node->indent);
        if ($node instanceof Item && $supposedParent instanceof Root) {
            if ($supposedParent->value->has('Key')) {
                $supposedParent->value->setIteratorMode(\SplDoublyLinkedList::IT_MODE_LIFO);
                foreach ($supposedParent->value as $child) {
                    if ($child instanceof Key) {
                        $supposedParent->value->setIteratorMode(\SplDoublyLinkedList::IT_MODE_FIFO);
                        // $supposedParent->value->rewind();
                        return $child;
                    }
                }
            }
        }
        return $supposedParent;
    }

    /**
     * Find parent target when current Node indentation is equal to previous node indentation
     *
     */
    public function getTargetOnEqualIndent(NodeGeneric &$node): ?NodeGeneric
    {
        return $this->getParent();
    }

    /**
     * Find parent target when current Node indentation is superior than previous node indentation
     *
     */
    public function getTargetOnMoreIndent(NodeGeneric &$node): ?NodeGeneric
    {
        return $this->isAwaitingChild($node) ? $this : $this->getParent();
    }

    protected function isAwaitingChild(NodeGeneric $node): bool
    {
        return false;
    }

    /**
     * Determines if $subject is one of the Node types provided (as strings) in $comparison array
     * A node type is one of the class found in "nodes" folder.
     *
     * @param  string    ...$classNameList  A list of string where each is a Node type e.g. 'Key', 'Blank', etc.
     *
     * @return     boolean  True if $subject is one of $comparison, False otherwise.
     */
    public function isOneOf(...$classNameList): bool
    {
        foreach ($classNameList as $className) {
            $fqn =  "Dallgoot\\Yaml\\Nodes\\$className";
            if ($this instanceof $fqn) return true;
        }
        return false;
    }

    /**
     * PHP internal function for debugging purpose : simplify output provided by 'var_dump'
     *
     * @return array  the Node properties and respective values displayed by 'var_dump'
     */
    public function __debugInfo(): array
    {
        $props = [];
        $props['line->indent'] = "$this->line -> $this->indent";
        if ($this->identifier) $props['identifier'] = "($this->identifier)";
        if ($this->anchor)     $props['anchor']     = "($this->anchor)";
        if ($this->tag)        $props['tag']        = "($this->tag)";
        if ($this->value)      $props['value']      = $this->value;
        // $props['value'] = $this->value;
        $props['raw']   = $this->raw;
        if (!$this->_parent)  $props['parent'] = 'NO PARENT!!!';
        return $props;
    }
}


1			<?php
2
3			namespace Dallgoot\Yaml\Nodes\Generic;
4
5			use Dallgoot\Yaml\NodeList;
6			use Dallgoot\Yaml\Nodes\Root;
7			use Dallgoot\Yaml\Nodes\Item;
8			use Dallgoot\Yaml\Nodes\Key;
9
10			/**
11			* An abstract type for all Nodes that defines generic behaviour
12			* Node deriving from this MUST implement the "build" method
13			*
14			* Note: custom var_dump output is defined by method "__debugInfo"
15			*
16			* @author Stéphane Rebai <[email protected]>
17			* @license Apache 2.0
18			* @link https://github.com/dallgoot/yaml
19			*/
20			abstract class NodeGeneric
21			{
22			/** @var null\|string\|boolean */
23			public $identifier;
24
25			protected ?self $_parent = null;
26
27
28			public ?int $indent = -1;
29
30			public int $line = 0;
31
32			public string $raw = '';
33			/** @var null\|self\|NodeList */
34			public $value;
35
36			public ?string $anchor = null;
37
38			public ?string $tag = null;
39
40
41			/**
42			*
43			* @param array\|object\|null $parent The parent collector or NULL otherwise
44			*
45			* @return mixed whatever the build process returns
46			*/
47			public abstract function build(&$parent = null);
48
49			/**
50			* Create the Node object and parses $nodeString
51			*
52			* @todo make it more permissive to tabs but replacement
53			*/
54			public function __construct(string $nodeString, ?int $line = 0)
55			{
56			$this->raw = $nodeString;
57			$this->line = (int) $line;
58			$nodeValue = preg_replace("/^\t+/m", " ", $nodeString);
59			$this->indent = strspn($nodeValue, ' ');
60			}
61
62			/**
63			* Sets the parent of the current Node
64			*
65			*/
66			protected function setParent(NodeGeneric $node): NodeGeneric
67			{
68			$this->_parent = $node;
69			return $this;
70			}
71
72			/**
73			* Gets the ancestor with specified $indent or the direct $_parent
74			*
75			*/
76			public function getParent(?int $indent = null): ?NodeGeneric
77			{
78			if (!is_int($indent)) {
79			if ($this->_parent instanceof NodeGeneric) {
80			return $this->_parent;
81			} else {
82			throw new \Exception("Cannnot find a parent for " . get_class($this), 1);
83			}
84			}
85			$cursor = $this->getParent();
86			while (
87			!($cursor instanceof Root)
88			&& (is_null($cursor->indent)
89			\|\| $cursor->indent >= $indent)
90			) {
91			if ($cursor->_parent) {
92			$cursor = $cursor->_parent;
93			} else {
94			break;
95			}
96			}
97			return $cursor;
98			}
99
100			/**
101			* Gets the root of the structure map (or current Yaml document)
102			*
103			* @throws \Exception (description)
104			*/
105			protected function getRoot(): Root
106			{
107			if (is_null($this->_parent)) {
108			throw new \Exception(__METHOD__ . ": can only be used when Node has a parent set", 1);
109			}
110			$pointer = $this;
111			do {
112			if ($pointer->_parent instanceof NodeGeneric) {
113			$pointer = $pointer->_parent;
114			} else {
115			throw new \Exception("Node has no _parent set : " . get_class($pointer), 1);
116			}
117			} while (!($pointer instanceof Root));
118			return $pointer;
119			}
120
121			/**
122			* Set the value for the current Node :
123			* - if value is null , then value = $child (Node)
124			* - if value is Node, then value is a NodeList with (previous value AND $child)
125			* - if value is a NodeList, push $child into
126			*
127			*/
128			public function add(NodeGeneric $child): NodeGeneric
129			{
130			$child->setParent($this);
131			if (is_null($this->value)) {
132			$this->value = $child;
133			} else {
134			if ($this->value instanceof NodeGeneric) {
135			$this->value = new NodeList($this->value);
136			}
137			$this->value->push($child);
138			}
139			return $child;
140			}
141
142			/**
143			* Gets the deepest node.
144			*/
145			public function getDeepestNode(): NodeGeneric
146			{
147			$cursor = $this;
148			while ($cursor->value instanceof NodeGeneric) {
149			$cursor = $cursor->value;
150			}
151			return $cursor;
152			}
153
154			public function specialProcess(
155			/** @scrutinizer ignore-unused */
156			NodeGeneric &$previous,
157			/** @scrutinizer ignore-unused */
158			array &$emptyLines
159			): bool {
160			return false;
161			}
162
163			/**
164			* Find parent target when current Node indentation is lesser than previous node indentation
165			*
166			*/
167			public function getTargetOnLessIndent(NodeGeneric &$node): ?NodeGeneric
168			{
169			$supposedParent = $this->getParent($node->indent);
170			if ($node instanceof Item && $supposedParent instanceof Root) {
171			if ($supposedParent->value->has('Key')) {
172			$supposedParent->value->setIteratorMode(\SplDoublyLinkedList::IT_MODE_LIFO);
173			foreach ($supposedParent->value as $child) {
174			if ($child instanceof Key) {
175			$supposedParent->value->setIteratorMode(\SplDoublyLinkedList::IT_MODE_FIFO);
176			// $supposedParent->value->rewind();
177			return $child;
178			}
179			}
180			}
181			}
182			return $supposedParent;
183			}
184
185			/**
186			* Find parent target when current Node indentation is equal to previous node indentation
187			*
188			*/
189			public function getTargetOnEqualIndent(NodeGeneric &$node): ?NodeGeneric
190			{
191			return $this->getParent();
192			}
193
194			/**
195			* Find parent target when current Node indentation is superior than previous node indentation
196			*
197			*/
198			public function getTargetOnMoreIndent(NodeGeneric &$node): ?NodeGeneric
199			{
200			return $this->isAwaitingChild($node) ? $this : $this->getParent();
201			}
202
203			protected function isAwaitingChild(NodeGeneric $node): bool
204			{
205			return false;
206			}
207
208			/**
209			* Determines if $subject is one of the Node types provided (as strings) in $comparison array
210			* A node type is one of the class found in "nodes" folder.
211			*
212			* @param string ...$classNameList A list of string where each is a Node type e.g. 'Key', 'Blank', etc.
213			*
214			* @return boolean True if $subject is one of $comparison, False otherwise.
215			*/
216			public function isOneOf(...$classNameList): bool
217			{
218			foreach ($classNameList as $className) {
219			$fqn = "Dallgoot\\Yaml\\Nodes\\$className";
220			if ($this instanceof $fqn) return true;
221			}
222			return false;
223			}
224
225			/**
226			* PHP internal function for debugging purpose : simplify output provided by 'var_dump'
227			*
228			* @return array the Node properties and respective values displayed by 'var_dump'
229			*/
230			public function __debugInfo(): array
231			{
232			$props = [];
233			$props['line->indent'] = "$this->line -> $this->indent";
234			if ($this->identifier) $props['identifier'] = "($this->identifier)";
235			if ($this->anchor) $props['anchor'] = "($this->anchor)";
236			if ($this->tag) $props['tag'] = "($this->tag)";
237			if ($this->value) $props['value'] = $this->value;
238			// $props['value'] = $this->value;
239			$props['raw'] = $this->raw;
240			if (!$this->_parent) $props['parent'] = 'NO PARENT!!!';
241			return $props;
242			}
243			}
244

dallgoot / yaml

Branch — master (bee4a6)

NodeGeneric::getParent() B

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