Quoter::unquoteSimpleColumnName() - Code Metrics - Inspection of "Query helper (#511)" - yiisoft/db - Measure and Improve Code Quality continuously with Scrutinizer

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by Def

created 2023-02-12 19:39 UTC

Quoter::unquoteSimpleColumnName() A

↳ Parent: Quoter

Complexity

Conditions	3
Paths	4

Size

Total Lines	9
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	5
nc	4
nop	1
dl	0
loc	9
rs	10
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Yiisoft\Db\Schema;

use Yiisoft\Db\Exception\InvalidArgumentException;
use Yiisoft\Db\Expression\ExpressionInterface;
use function addcslashes;
use function explode;
use function implode;
use function is_string;
use function preg_replace_callback;
use function str_contains;
use function str_replace;
use function str_starts_with;
use function strrpos;
use function substr;

/**
 * The Quoter is a class that is used to quote table and column names for use in SQL statements. It provides a set of
 * methods for quoting different types of names, such as table names, column names, and schema names.
 *
 * The Quoter class is used by @see \Yiisoft\Db\QueryBuilder\QueryBuilder to quote names that need to be quoted. It is
 * also used by @see \Yiisoft\Db\Command\Command to quote names in SQL statements before passing them to database
 * servers.
 */
class Quoter implements QuoterInterface
{
    public function __construct(
        /** @psalm-var string[]|string */
        private array|string $columnQuoteCharacter,
        /** @psalm-var string[]|string */
        private array|string $tableQuoteCharacter,
        private string $tablePrefix = ''
    ) {
    }

    public function cleanUpTableNames(array $tableNames): array
    {
        $cleanedUpTableNames = [];
        $pattern = <<<PATTERN
        ~^\s*((?:['"`\[]|{{).*?(?:['"`\]]|}})|\(.*?\)|.*?)(?:(?:\s+(?:as\s+)?)((?:['"`\[]|{{).*?(?:['"`\]]|}})|.*?))?\s*$~iux
        PATTERN;

        /** @psalm-var array<array-key, ExpressionInterface|string> $tableNames */
        foreach ($tableNames as $alias => $tableName) {
            if (is_string($tableName) && !is_string($alias)) {
                if (preg_match($pattern, $tableName, $matches)) {
                    if (isset($matches[2])) {
                        [, $tableName, $alias] = $matches;
                    } else {
                        $tableName = $alias = $matches[1];
                    }
                }
            }

            if (!is_string($alias)) {
                throw new InvalidArgumentException(
                    'To use Expression in from() method, pass it in array format with alias.'
                );
            }

            if (is_string($tableName)) {
                $cleanedUpTableNames[$this->ensureNameQuoted($alias)] = $this->ensureNameQuoted($tableName);
            } elseif ($tableName instanceof ExpressionInterface) {
                $cleanedUpTableNames[$this->ensureNameQuoted($alias)] = $tableName;
            } else {
                throw new InvalidArgumentException(
                    'Use ExpressionInterface without cast to string as object of tableName'
                );
            }
        }

        return $cleanedUpTableNames;
    }

    public function getTableNameParts(string $name, bool $withColumn = false): array
    {
        $parts = array_slice(explode('.', $name), -2, 2);

        return $this->unquoteParts($parts, $withColumn);
    }

    public function ensureNameQuoted(string $name): string
    {
        $name = str_replace(["'", '"', '`', '[', ']'], '', $name);

        if ($name && !preg_match('/^{{.*}}$/', $name)) {
            return '{{' . $name . '}}';
        }

        return $name;
    }

    public function ensureColumnName(string $name): string
    {
        if (strrpos($name, '.') !== false) {
            $parts = explode('.', $name);
            $name = $parts[count($parts) - 1];
        }

        return preg_replace('|^\[\[([_\w\-. ]+)\]\]$|', '\1', $name);
    }

    public function quoteColumnName(string $name): string
    {
        if (str_contains($name, '(') || str_contains($name, '[[')) {
            return $name;
        }

        if (($pos = strrpos($name, '.')) !== false) {
            $prefix = $this->quoteTableName(substr($name, 0, $pos)) . '.';
            $name = substr($name, $pos + 1);
        } else {
            $prefix = '';
        }

        if (str_contains($name, '{{')) {
            return $name;
        }

        return $prefix . $this->quoteSimpleColumnName($name);
    }

    public function quoteSimpleColumnName(string $name): string
    {
        if (is_string($this->columnQuoteCharacter)) {
            $startingCharacter = $endingCharacter = $this->columnQuoteCharacter;
        } else {
            [$startingCharacter, $endingCharacter] = $this->columnQuoteCharacter;
        }

        return $name === '*' || str_contains($name, $startingCharacter) ? $name : $startingCharacter . $name
            . $endingCharacter;
    }

    public function quoteSimpleTableName(string $name): string
    {
        if (is_string($this->tableQuoteCharacter)) {
            $startingCharacter = $endingCharacter = $this->tableQuoteCharacter;
        } else {
            [$startingCharacter, $endingCharacter] = $this->tableQuoteCharacter;
        }

        return str_contains($name, $startingCharacter) ? $name : $startingCharacter . $name . $endingCharacter;
    }

    public function quoteSql(string $sql): string
    {
        return preg_replace_callback(
            '/({{(%?[\w\-. ]+%?)}}|\\[\\[([\w\-. ]+)]])/',
            function ($matches) {
                if (isset($matches[3])) {
                    return $this->quoteColumnName($matches[3]);
                }

                return str_replace('%', $this->tablePrefix, $this->quoteTableName($matches[2]));
            },
            $sql
        );
    }

    public function quoteTableName(string $name): string
    {
        if (str_starts_with($name, '(') && str_ends_with($name, ')')) {
            return $name;
        }

        if (str_contains($name, '{{')) {
            return $name;
        }

        if (!str_contains($name, '.')) {
            return $this->quoteSimpleTableName($name);
        }

        $parts = $this->getTableNameParts($name);

        foreach ($parts as $i => $part) {
            $parts[$i] = $this->quoteSimpleTableName($part);
        }

        return implode('.', $parts);
    }

    public function quoteValue(mixed $value): mixed
    {
        if (!is_string($value)) {
            return $value;
        }

        return '\'' . str_replace('\'', '\'\'', addcslashes($value, "\000\032")) . '\'';
    }

    public function unquoteSimpleColumnName(string $name): string
    {
        if (is_string($this->columnQuoteCharacter)) {
            $startingCharacter = $this->columnQuoteCharacter;
        } else {
            $startingCharacter = $this->columnQuoteCharacter[0];
        }

        return !str_contains($name, $startingCharacter) ? $name : substr($name, 1, -1);
    }

    public function unquoteSimpleTableName(string $name): string
    {
        if (is_string($this->tableQuoteCharacter)) {
            $startingCharacter = $this->tableQuoteCharacter;
        } else {
            $startingCharacter = $this->tableQuoteCharacter[0];
        }

        return !str_contains($name, $startingCharacter) ? $name : substr($name, 1, -1);
    }

    /**
     * @param string[] $parts
     * @param bool $withColumn
     *
     * @return string[]
     */
    protected function unquoteParts(array $parts, bool $withColumn): array
    {
        $lastKey = count($parts) - 1;

        foreach ($parts as $k => &$part) {
            $part = ($withColumn || $lastKey === $k) ?
                $this->unquoteSimpleColumnName($part) :
                $this->unquoteSimpleTableName($part);
        }

        return $parts;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Yiisoft\Db\Schema;
6
7			use Yiisoft\Db\Exception\InvalidArgumentException;
8			use Yiisoft\Db\Expression\ExpressionInterface;
9			use function addcslashes;
10			use function explode;
11			use function implode;
12			use function is_string;
13			use function preg_replace_callback;
14			use function str_contains;
15			use function str_replace;
16			use function str_starts_with;
17			use function strrpos;
18			use function substr;
19
20			/**
21			* The Quoter is a class that is used to quote table and column names for use in SQL statements. It provides a set of
22			* methods for quoting different types of names, such as table names, column names, and schema names.
23			*
24			* The Quoter class is used by @see \Yiisoft\Db\QueryBuilder\QueryBuilder to quote names that need to be quoted. It is
25			* also used by @see \Yiisoft\Db\Command\Command to quote names in SQL statements before passing them to database
26			* servers.
27			*/
28			class Quoter implements QuoterInterface
29			{
30			public function __construct(
31			/** @psalm-var string[]\|string */
32			private array\|string $columnQuoteCharacter,
33			/** @psalm-var string[]\|string */
34			private array\|string $tableQuoteCharacter,
35			private string $tablePrefix = ''
36			) {
37			}
38
39			public function cleanUpTableNames(array $tableNames): array
40			{
41			$cleanedUpTableNames = [];
42			$pattern = <<<PATTERN
43			~^\s((?:['"`\[]\|{{).?(?:['"`\]]\|}})\|\(.?\)\|.?)(?:(?:\s+(?:as\s+)?)((?:['"`\[]\|{{).?(?:['"`\]]\|}})\|.?))?\s*$~iux
44			PATTERN;
45
46			/** @psalm-var array<array-key, ExpressionInterface\|string> $tableNames */
47			foreach ($tableNames as $alias => $tableName) {
48			if (is_string($tableName) && !is_string($alias)) {
49			if (preg_match($pattern, $tableName, $matches)) {
50			if (isset($matches[2])) {
51			[, $tableName, $alias] = $matches;
52			} else {
53			$tableName = $alias = $matches[1];
54			}
55			}
56			}
57
58			if (!is_string($alias)) {
59			throw new InvalidArgumentException(
60			'To use Expression in from() method, pass it in array format with alias.'
61			);
62			}
63
64			if (is_string($tableName)) {
65			$cleanedUpTableNames[$this->ensureNameQuoted($alias)] = $this->ensureNameQuoted($tableName);
66			} elseif ($tableName instanceof ExpressionInterface) {
67			$cleanedUpTableNames[$this->ensureNameQuoted($alias)] = $tableName;
68			} else {
69			throw new InvalidArgumentException(
70			'Use ExpressionInterface without cast to string as object of tableName'
71			);
72			}
73			}
74
75			return $cleanedUpTableNames;
76			}
77
78			public function getTableNameParts(string $name, bool $withColumn = false): array
79			{
80			$parts = array_slice(explode('.', $name), -2, 2);
81
82			return $this->unquoteParts($parts, $withColumn);
83			}
84
85			public function ensureNameQuoted(string $name): string
86			{
87			$name = str_replace(["'", '"', '`', '[', ']'], '', $name);
88
89			if ($name && !preg_match('/^{{.*}}$/', $name)) {
90			return '{{' . $name . '}}';
91			}
92
93			return $name;
94			}
95
96			public function ensureColumnName(string $name): string
97			{
98			if (strrpos($name, '.') !== false) {
99			$parts = explode('.', $name);
100			$name = $parts[count($parts) - 1];
101			}
102
103			return preg_replace('\|^\[\[([_\w\-. ]+)\]\]$\|', '\1', $name);
104			}
105
106			public function quoteColumnName(string $name): string
107			{
108			if (str_contains($name, '(') \|\| str_contains($name, '[[')) {
109			return $name;
110			}
111
112			if (($pos = strrpos($name, '.')) !== false) {
113			$prefix = $this->quoteTableName(substr($name, 0, $pos)) . '.';
114			$name = substr($name, $pos + 1);
115			} else {
116			$prefix = '';
117			}
118
119			if (str_contains($name, '{{')) {
120			return $name;
121			}
122
123			return $prefix . $this->quoteSimpleColumnName($name);
124			}
125
126			public function quoteSimpleColumnName(string $name): string
127			{
128			if (is_string($this->columnQuoteCharacter)) {
129			$startingCharacter = $endingCharacter = $this->columnQuoteCharacter;
130			} else {
131			[$startingCharacter, $endingCharacter] = $this->columnQuoteCharacter;
132			}
133
134			return $name === '*' \|\| str_contains($name, $startingCharacter) ? $name : $startingCharacter . $name
135			. $endingCharacter;
136			}
137
138			public function quoteSimpleTableName(string $name): string
139			{
140			if (is_string($this->tableQuoteCharacter)) {
141			$startingCharacter = $endingCharacter = $this->tableQuoteCharacter;
142			} else {
143			[$startingCharacter, $endingCharacter] = $this->tableQuoteCharacter;
144			}
145
146			return str_contains($name, $startingCharacter) ? $name : $startingCharacter . $name . $endingCharacter;
147			}
148
149			public function quoteSql(string $sql): string
150			{
151			return preg_replace_callback(
152			'/({{(%?[\w\-. ]+%?)}}\|\\[\\[([\w\-. ]+)]])/',
153			function ($matches) {
154			if (isset($matches[3])) {
155			return $this->quoteColumnName($matches[3]);
156			}
157
158			return str_replace('%', $this->tablePrefix, $this->quoteTableName($matches[2]));
159			},
160			$sql
161			);
162			}
163
164			public function quoteTableName(string $name): string
165			{
166			if (str_starts_with($name, '(') && str_ends_with($name, ')')) {
167			return $name;
168			}
169
170			if (str_contains($name, '{{')) {
171			return $name;
172			}
173
174			if (!str_contains($name, '.')) {
175			return $this->quoteSimpleTableName($name);
176			}
177
178			$parts = $this->getTableNameParts($name);
179
180			foreach ($parts as $i => $part) {
181			$parts[$i] = $this->quoteSimpleTableName($part);
182			}
183
184			return implode('.', $parts);
185			}
186
187			public function quoteValue(mixed $value): mixed
188			{
189			if (!is_string($value)) {
190			return $value;
191			}
192
193			return '\'' . str_replace('\'', '\'\'', addcslashes($value, "\000\032")) . '\'';
194			}
195
196			public function unquoteSimpleColumnName(string $name): string
197			{
198			if (is_string($this->columnQuoteCharacter)) {
199			$startingCharacter = $this->columnQuoteCharacter;
200			} else {
201			$startingCharacter = $this->columnQuoteCharacter[0];
202			}
203
204			return !str_contains($name, $startingCharacter) ? $name : substr($name, 1, -1);
205			}
206
207			public function unquoteSimpleTableName(string $name): string
208			{
209			if (is_string($this->tableQuoteCharacter)) {
210			$startingCharacter = $this->tableQuoteCharacter;
211			} else {
212			$startingCharacter = $this->tableQuoteCharacter[0];
213			}
214
215			return !str_contains($name, $startingCharacter) ? $name : substr($name, 1, -1);
216			}
217
218			/**
219			* @param string[] $parts
220			* @param bool $withColumn
221			*
222			* @return string[]
223			*/
224			protected function unquoteParts(array $parts, bool $withColumn): array
225			{
226			$lastKey = count($parts) - 1;
227
228			foreach ($parts as $k => &$part) {
229			$part = ($withColumn \|\| $lastKey === $k) ?
230			$this->unquoteSimpleColumnName($part) :
231			$this->unquoteSimpleTableName($part);
232			}
233
234			return $parts;
235			}
236			}
237

yiisoft / db

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Quoter::unquoteSimpleColumnName() A

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