File "SQLParserUtils.php"
Full Path: /home/warrior1/public_html/plugins/mailpoet/vendor-prefixed/doctrine/dbal/lib/Doctrine/DBAL/SQLParserUtils.php
File size: 6.08 KB
MIME-type: text/x-php
Charset: utf-8
<?php
namespace MailPoetVendor\Doctrine\DBAL;
if (!defined('ABSPATH')) exit;
use MailPoetVendor\Doctrine\DBAL\Types\Type;
use function array_fill;
use function array_fill_keys;
use function array_key_exists;
use function array_keys;
use function array_merge;
use function array_slice;
use function array_values;
use function count;
use function implode;
use function is_int;
use function key;
use function ksort;
use function preg_match_all;
use function sprintf;
use function strlen;
use function strpos;
use function substr;
use const PREG_OFFSET_CAPTURE;
class SQLParserUtils
{
public const POSITIONAL_TOKEN = '\\?';
public const NAMED_TOKEN = '(?<!:):[a-zA-Z_][a-zA-Z0-9_]*';
// Quote characters within string literals can be preceded by a backslash.
public const ESCAPED_SINGLE_QUOTED_TEXT = "(?:'(?:\\\\)+'|'(?:[^'\\\\]|\\\\'?|'')*')";
public const ESCAPED_DOUBLE_QUOTED_TEXT = '(?:"(?:\\\\)+"|"(?:[^"\\\\]|\\\\"?)*")';
public const ESCAPED_BACKTICK_QUOTED_TEXT = '(?:`(?:\\\\)+`|`(?:[^`\\\\]|\\\\`?)*`)';
private const ESCAPED_BRACKET_QUOTED_TEXT = '(?<!\\b(?i:ARRAY))\\[(?:[^\\]])*\\]';
public static function getPlaceholderPositions($statement, $isPositional = \true)
{
return $isPositional ? self::getPositionalPlaceholderPositions($statement) : self::getNamedPlaceholderPositions($statement);
}
private static function getPositionalPlaceholderPositions(string $statement) : array
{
return self::collectPlaceholders($statement, '?', self::POSITIONAL_TOKEN, static function (string $_, int $placeholderPosition, int $fragmentPosition, array &$carry) : void {
$carry[] = $placeholderPosition + $fragmentPosition;
});
}
private static function getNamedPlaceholderPositions(string $statement) : array
{
return self::collectPlaceholders($statement, ':', self::NAMED_TOKEN, static function (string $placeholder, int $placeholderPosition, int $fragmentPosition, array &$carry) : void {
$carry[$placeholderPosition + $fragmentPosition] = substr($placeholder, 1);
});
}
private static function collectPlaceholders(string $statement, string $match, string $token, callable $collector) : array
{
if (strpos($statement, $match) === \false) {
return [];
}
$carry = [];
foreach (self::getUnquotedStatementFragments($statement) as $fragment) {
preg_match_all('/' . $token . '/', $fragment[0], $matches, PREG_OFFSET_CAPTURE);
foreach ($matches[0] as $placeholder) {
$collector($placeholder[0], $placeholder[1], $fragment[1], $carry);
}
}
return $carry;
}
public static function expandListParameters($query, $params, $types)
{
$isPositional = is_int(key($params));
$arrayPositions = [];
$bindIndex = -1;
if ($isPositional) {
// make sure that $types has the same keys as $params
// to allow omitting parameters with unspecified types
$types += array_fill_keys(array_keys($params), null);
ksort($params);
ksort($types);
}
foreach ($types as $name => $type) {
++$bindIndex;
if ($type !== Connection::PARAM_INT_ARRAY && $type !== Connection::PARAM_STR_ARRAY) {
continue;
}
if ($isPositional) {
$name = $bindIndex;
}
$arrayPositions[$name] = \false;
}
if (!$arrayPositions && $isPositional) {
return [$query, $params, $types];
}
if ($isPositional) {
$paramOffset = 0;
$queryOffset = 0;
$params = array_values($params);
$types = array_values($types);
$paramPos = self::getPositionalPlaceholderPositions($query);
foreach ($paramPos as $needle => $needlePos) {
if (!isset($arrayPositions[$needle])) {
continue;
}
$needle += $paramOffset;
$needlePos += $queryOffset;
$count = count($params[$needle]);
$params = array_merge(array_slice($params, 0, $needle), $params[$needle], array_slice($params, $needle + 1));
$types = array_merge(array_slice($types, 0, $needle), $count ? array_fill(0, $count, $types[$needle] - Connection::ARRAY_PARAM_OFFSET) : [], array_slice($types, $needle + 1));
$expandStr = $count ? implode(', ', array_fill(0, $count, '?')) : 'NULL';
$query = substr($query, 0, $needlePos) . $expandStr . substr($query, $needlePos + 1);
$paramOffset += $count - 1;
// Grows larger by number of parameters minus the replaced needle.
$queryOffset += strlen($expandStr) - 1;
}
return [$query, $params, $types];
}
$queryOffset = 0;
$typesOrd = [];
$paramsOrd = [];
$paramPos = self::getNamedPlaceholderPositions($query);
foreach ($paramPos as $pos => $paramName) {
$paramLen = strlen($paramName) + 1;
$value = self::extractParam($paramName, $params, \true);
if (!isset($arrayPositions[$paramName]) && !isset($arrayPositions[':' . $paramName])) {
$pos += $queryOffset;
$queryOffset -= $paramLen - 1;
$paramsOrd[] = $value;
$typesOrd[] = self::extractParam($paramName, $types, \false, ParameterType::STRING);
$query = substr($query, 0, $pos) . '?' . substr($query, $pos + $paramLen);
continue;
}
$count = count($value);
$expandStr = $count > 0 ? implode(', ', array_fill(0, $count, '?')) : 'NULL';
foreach ($value as $val) {
$paramsOrd[] = $val;
$typesOrd[] = self::extractParam($paramName, $types, \false) - Connection::ARRAY_PARAM_OFFSET;
}
$pos += $queryOffset;
$queryOffset += strlen($expandStr) - $paramLen;
$query = substr($query, 0, $pos) . $expandStr . substr($query, $pos + $paramLen);
}
return [$query, $paramsOrd, $typesOrd];
}
private static function getUnquotedStatementFragments($statement)
{
$literal = self::ESCAPED_SINGLE_QUOTED_TEXT . '|' . self::ESCAPED_DOUBLE_QUOTED_TEXT . '|' . self::ESCAPED_BACKTICK_QUOTED_TEXT . '|' . self::ESCAPED_BRACKET_QUOTED_TEXT;
$expression = sprintf('/((.+(?i:ARRAY)\\[.+\\])|([^\'"`\\[]+))(?:%s)?/s', $literal);
preg_match_all($expression, $statement, $fragments, PREG_OFFSET_CAPTURE);
return $fragments[1];
}
private static function extractParam($paramName, $paramsOrTypes, $isParam, $defaultValue = null)
{
if (array_key_exists($paramName, $paramsOrTypes)) {
return $paramsOrTypes[$paramName];
}
// Hash keys can be prefixed with a colon for compatibility
if (array_key_exists(':' . $paramName, $paramsOrTypes)) {
return $paramsOrTypes[':' . $paramName];
}
if ($defaultValue !== null) {
return $defaultValue;
}
if ($isParam) {
throw SQLParserUtilsException::missingParam($paramName);
}
throw SQLParserUtilsException::missingType($paramName);
}
}