State::callPointer() - Code Metrics - Inspection of "Update readme" - cerbero90/json-parser - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — feature/first-release (43e0cc)

by Andrea Marco

created 2023-02-25 11:01 UTC

State::callPointer() A

↳ Parent: State

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

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

<?php

namespace Cerbero\JsonParser;

use Cerbero\JsonParser\Pointers\Pointer;
use Cerbero\JsonParser\Pointers\Pointers;
use Cerbero\JsonParser\Tokens\Token;
use Cerbero\JsonParser\Tokens\Tokens;

/**
 * The JSON parsing state.
 *
 */
final class State
{
    /**
     * The JSON tree.
     *
     * @var Tree
     */
    private Tree $tree;

    /**
     * The JSON pointers.
     *
     * @var Pointers
     */
    private Pointers $pointers;

    /**
     * The JSON pointer matching the tree.
     *
     * @var Pointer
     */
    private Pointer $pointer;

    /**
     * The JSON buffer.
     *
     * @var string
     */
    private string $buffer = '';

    /**
     * Whether an object key is expected.
     *
     * @var bool
     */
    public bool $expectsKey = false;

    /**
     * The expected token.
     *
     * @var int
     */
    public int $expectedToken = Tokens::COMPOUND_BEGIN;

    /**
     * Instantiate the class.
     *
     */
    public function __construct()
    {
        $this->tree = new Tree();
    }

    /**
     * Retrieve the JSON tree
     *
     * @return Tree
     */
    public function tree(): Tree
    {
        return $this->tree;
    }

    /**
     * Determine whether the tree is deep
     *
     * @return bool
     */
    public function treeIsDeep(): bool
    {
        return $this->pointer == ''

            ? $this->tree->depth() > $this->pointer->depth()
            : $this->tree->depth() >= $this->pointer->depth();
    }

    /**
     * Retrieve the current key of the JSON tree
     *
     * @return string|int
     */
    public function key(): string|int
    {
        return $this->tree->currentKey();
    }

    /**
     * Set and match the given pointers
     *
     * @param Pointer ...$pointers
     * @return void
     */
    public function setPointers(Pointer ...$pointers): void
    {
        $this->pointers = new Pointers(...$pointers ?: [new Pointer('')]);

        $this->pointer = $this->pointers->matchTree($this->tree);
    }

    /**
     * Determine whether the parser can stop parsing
     *
     * @return bool
     */
    public function canStopParsing(): bool
    {
        return $this->pointers->wereFound() && !$this->pointer->includesTree($this->tree);
    }

    /**
     * Call the current pointer callback
     *
     * @param mixed $value
     * @param mixed $key
     * @return mixed
     */
    public function callPointer(mixed $value, mixed $key): mixed
    {
        return $this->pointer->call($value, $key);
    }

    /**
     * Mutate state depending on the given token
     *
     * @param Token $token
     * @return void
     */
    public function mutateByToken(Token $token): void
    {
        $this->tree->changed = false;
        $shouldTrackTree = $this->pointer == '' || $this->tree->depth() < $this->pointer->depth();

        if ($shouldTrackTree && $this->expectsKey) {
            $this->tree->traverseKey($token);
        } elseif ($shouldTrackTree && $token->isValue() && !$this->tree->inObject()) {
            $this->tree->traverseArray($this->pointer->referenceTokens());
        }

        if ($this->tree->changed && $this->pointers->count() > 1) {
            $this->pointer = $this->pointers->matchTree($this->tree);
        }

        $shouldBuffer = $this->tree->depth() >= 0
            && $this->pointer->matchesTree($this->tree)
            && ((!$this->expectsKey && $token->isValue()) || $this->treeIsDeep());

        if ($shouldBuffer) {
            $this->buffer .= $token;
            $this->pointers->markAsFound($this->pointer);
        }

        $token->mutateState($this);
    }

    /**
     * Determine whether the buffer contains tokens
     *
     * @return bool
     */
    public function hasBuffer(): bool
    {
        return $this->buffer != '';
    }

    /**
     * Retrieve the value from the buffer and reset it
     *
     * @return string
     */
    public function value(): string
    {
        $buffer = $this->buffer;

        $this->buffer = '';

        return $buffer;
    }
}


1		<?php
2
3		namespace Cerbero\JsonParser;
4
5		use Cerbero\JsonParser\Pointers\Pointer;
6		use Cerbero\JsonParser\Pointers\Pointers;
7		use Cerbero\JsonParser\Tokens\Token;
8		use Cerbero\JsonParser\Tokens\Tokens;
9
10		/**
11		* The JSON parsing state.
12		*
13		*/
14		final class State
15		{
16		/**
17		* The JSON tree.
18		*
19		* @var Tree
20		*/
21		private Tree $tree;
22
23		/**
24		* The JSON pointers.
25		*
26		* @var Pointers
27		*/
28		private Pointers $pointers;
29
30		/**
31		* The JSON pointer matching the tree.
32		*
33		* @var Pointer
34		*/
35		private Pointer $pointer;
36
37		/**
38		* The JSON buffer.
39		*
40		* @var string
41		*/
42		private string $buffer = '';
43
44		/**
45		* Whether an object key is expected.
46		*
47		* @var bool
48		*/
49		public bool $expectsKey = false;
50
51		/**
52		* The expected token.
53		*
54		* @var int
55		*/
56		public int $expectedToken = Tokens::COMPOUND_BEGIN;
57
58		/**
59		* Instantiate the class.
60		*
61		*/
62	134	public function __construct()
63		{
64	134	$this->tree = new Tree();
65		}
66
67		/**
68		* Retrieve the JSON tree
69		*
70		* @return Tree
71		*/
72	126	public function tree(): Tree
73		{
74	126	return $this->tree;
75		}
76
77		/**
78		* Determine whether the tree is deep
79		*
80		* @return bool
81		*/
82	124	public function treeIsDeep(): bool
83		{
84	124	return $this->pointer == ''
		0 ignored issues – show introduced 2023-02-06 08:14 UTC by Report Bug Copy Issue Report The condition `$this->pointer == ''` is always `false`. Loading history...
85	38	? $this->tree->depth() > $this->pointer->depth()
86	124	: $this->tree->depth() >= $this->pointer->depth();
87		}
88
89		/**
90		* Retrieve the current key of the JSON tree
91		*
92		* @return string\|int
93		*/
94	92	public function key(): string\|int
95		{
96	92	return $this->tree->currentKey();
97		}
98
99		/**
100		* Set and match the given pointers
101		*
102		* @param Pointer ...$pointers
103		* @return void
104		*/
105	130	public function setPointers(Pointer ...$pointers): void
106		{
107	130	$this->pointers = new Pointers(...$pointers ?: [new Pointer('')]);
108
109	130	$this->pointer = $this->pointers->matchTree($this->tree);
110		}
111
112		/**
113		* Determine whether the parser can stop parsing
114		*
115		* @return bool
116		*/
117	123	public function canStopParsing(): bool
118		{
119	123	return $this->pointers->wereFound() && !$this->pointer->includesTree($this->tree);
120		}
121
122		/**
123		* Call the current pointer callback
124		*
125		* @param mixed $value
126		* @param mixed $key
127		* @return mixed
128		*/
129	91	public function callPointer(mixed $value, mixed $key): mixed
130		{
131	91	return $this->pointer->call($value, $key);
132		}
133
134		/**
135		* Mutate state depending on the given token
136		*
137		* @param Token $token
138		* @return void
139		*/
140	126	public function mutateByToken(Token $token): void
141		{
142	126	$this->tree->changed = false;
143	126	$shouldTrackTree = $this->pointer == '' \|\| $this->tree->depth() < $this->pointer->depth();
144
145	126	if ($shouldTrackTree && $this->expectsKey) {
146	86	$this->tree->traverseKey($token);
147	126	} elseif ($shouldTrackTree && $token->isValue() && !$this->tree->inObject()) {
148	126	$this->tree->traverseArray($this->pointer->referenceTokens());
149		}
150
151	126	if ($this->tree->changed && $this->pointers->count() > 1) {
152	28	$this->pointer = $this->pointers->matchTree($this->tree);
153		}
154
155	126	$shouldBuffer = $this->tree->depth() >= 0
156	126	&& $this->pointer->matchesTree($this->tree)
157	126	&& ((!$this->expectsKey && $token->isValue()) \|\| $this->treeIsDeep());
158
159	126	if ($shouldBuffer) {
160	92	$this->buffer .= $token;
161	92	$this->pointers->markAsFound($this->pointer);
162		}
163
164	126	$token->mutateState($this);
165		}
166
167		/**
168		* Determine whether the buffer contains tokens
169		*
170		* @return bool
171		*/
172	124	public function hasBuffer(): bool
173		{
174	124	return $this->buffer != '';
175		}
176
177		/**
178		* Retrieve the value from the buffer and reset it
179		*
180		* @return string
181		*/
182	92	public function value(): string
183		{
184	92	$buffer = $this->buffer;
185
186	92	$this->buffer = '';
187
188	92	return $buffer;
189		}
190		}
191

cerbero90 / json-parser

Branch — feature/first-release (43e0cc)

State::callPointer() A

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