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-rw-r--r--srcs/phpmyadmin/vendor/phpmyadmin/sql-parser/src/Components/CaseExpression.php307
1 files changed, 0 insertions, 307 deletions
diff --git a/srcs/phpmyadmin/vendor/phpmyadmin/sql-parser/src/Components/CaseExpression.php b/srcs/phpmyadmin/vendor/phpmyadmin/sql-parser/src/Components/CaseExpression.php
deleted file mode 100644
index 26c044f..0000000
--- a/srcs/phpmyadmin/vendor/phpmyadmin/sql-parser/src/Components/CaseExpression.php
+++ /dev/null
@@ -1,307 +0,0 @@
-<?php
-/**
- * Parses a reference to a CASE expression.
- */
-declare(strict_types=1);
-
-namespace PhpMyAdmin\SqlParser\Components;
-
-use PhpMyAdmin\SqlParser\Component;
-use PhpMyAdmin\SqlParser\Context;
-use PhpMyAdmin\SqlParser\Parser;
-use PhpMyAdmin\SqlParser\Token;
-use PhpMyAdmin\SqlParser\TokensList;
-
-/**
- * Parses a reference to a CASE expression.
- */
-class CaseExpression extends Component
-{
- /**
- * The value to be compared.
- *
- * @var Expression
- */
- public $value;
-
- /**
- * The conditions in WHEN clauses.
- *
- * @var array
- */
- public $conditions = [];
-
- /**
- * The results matching with the WHEN clauses.
- *
- * @var array
- */
- public $results = [];
-
- /**
- * The values to be compared against.
- *
- * @var array
- */
- public $compare_values = [];
-
- /**
- * The result in ELSE section of expr.
- *
- * @var Expression
- */
- public $else_result;
-
- /**
- * The alias of this CASE statement.
- *
- * @var string
- */
- public $alias;
-
- /**
- * The sub-expression.
- *
- * @var string
- */
- public $expr = '';
-
- public function __construct()
- {
- }
-
- /**
- * @param Parser $parser the parser that serves as context
- * @param TokensList $list the list of tokens that are being parsed
- * @param array $options parameters for parsing
- *
- * @return CaseExpression
- */
- public static function parse(Parser $parser, TokensList $list, array $options = [])
- {
- $ret = new static();
-
- /**
- * State of parser.
- *
- * @var int
- */
- $state = 0;
-
- /**
- * Syntax type (type 0 or type 1).
- *
- * @var int
- */
- $type = 0;
-
- ++$list->idx; // Skip 'CASE'
-
- for (; $list->idx < $list->count; ++$list->idx) {
- /**
- * Token parsed at this moment.
- *
- * @var Token
- */
- $token = $list->tokens[$list->idx];
-
- // Skipping whitespaces and comments.
- if (($token->type === Token::TYPE_WHITESPACE)
- || ($token->type === Token::TYPE_COMMENT)
- ) {
- continue;
- }
-
- if ($state === 0) {
- if ($token->type === Token::TYPE_KEYWORD) {
- switch ($token->keyword) {
- case 'WHEN':
- ++$list->idx; // Skip 'WHEN'
- $new_condition = Condition::parse($parser, $list);
- $type = 1;
- $state = 1;
- $ret->conditions[] = $new_condition;
- break;
- case 'ELSE':
- ++$list->idx; // Skip 'ELSE'
- $ret->else_result = Expression::parse($parser, $list);
- $state = 0; // last clause of CASE expression
- break;
- case 'END':
- $state = 3; // end of CASE expression
- ++$list->idx;
- break 2;
- default:
- $parser->error('Unexpected keyword.', $token);
- break 2;
- }
- } else {
- $ret->value = Expression::parse($parser, $list);
- $type = 0;
- $state = 1;
- }
- } elseif ($state === 1) {
- if ($type === 0) {
- if ($token->type === Token::TYPE_KEYWORD) {
- switch ($token->keyword) {
- case 'WHEN':
- ++$list->idx; // Skip 'WHEN'
- $new_value = Expression::parse($parser, $list);
- $state = 2;
- $ret->compare_values[] = $new_value;
- break;
- case 'ELSE':
- ++$list->idx; // Skip 'ELSE'
- $ret->else_result = Expression::parse($parser, $list);
- $state = 0; // last clause of CASE expression
- break;
- case 'END':
- $state = 3; // end of CASE expression
- ++$list->idx;
- break 2;
- default:
- $parser->error('Unexpected keyword.', $token);
- break 2;
- }
- }
- } else {
- if ($token->type === Token::TYPE_KEYWORD
- && $token->keyword === 'THEN'
- ) {
- ++$list->idx; // Skip 'THEN'
- $new_result = Expression::parse($parser, $list);
- $state = 0;
- $ret->results[] = $new_result;
- } elseif ($token->type === Token::TYPE_KEYWORD) {
- $parser->error('Unexpected keyword.', $token);
- break;
- }
- }
- } elseif ($state === 2) {
- if ($type === 0) {
- if ($token->type === Token::TYPE_KEYWORD
- && $token->keyword === 'THEN'
- ) {
- ++$list->idx; // Skip 'THEN'
- $new_result = Expression::parse($parser, $list);
- $ret->results[] = $new_result;
- $state = 1;
- } elseif ($token->type === Token::TYPE_KEYWORD) {
- $parser->error('Unexpected keyword.', $token);
- break;
- }
- }
- }
- }
-
- if ($state !== 3) {
- $parser->error(
- 'Unexpected end of CASE expression',
- $list->tokens[$list->idx - 1]
- );
- } else {
- // Parse for alias of CASE expression
- $asFound = false;
- for (; $list->idx < $list->count; ++$list->idx) {
- $token = $list->tokens[$list->idx];
-
- // End of statement.
- if ($token->type === Token::TYPE_DELIMITER) {
- break;
- }
-
- // Skipping whitespaces and comments.
- if (($token->type === Token::TYPE_WHITESPACE)
- || ($token->type === Token::TYPE_COMMENT)
- ) {
- continue;
- }
-
- // Handle optional AS keyword before alias
- if ($token->type === Token::TYPE_KEYWORD
- && $token->keyword === 'AS') {
- if ($asFound || ! empty($ret->alias)) {
- $parser->error('Potential duplicate alias of CASE expression.', $token);
- break;
- }
- $asFound = true;
- continue;
- }
-
- if ($asFound
- && $token->type === Token::TYPE_KEYWORD
- && ($token->flags & Token::FLAG_KEYWORD_RESERVED || $token->flags & Token::FLAG_KEYWORD_FUNCTION)) {
- $parser->error('An alias expected after AS but got ' . $token->value, $token);
- $asFound = false;
- break;
- }
-
- if ($asFound
- || $token->type === Token::TYPE_STRING
- || ($token->type === Token::TYPE_SYMBOL && ! $token->flags & Token::FLAG_SYMBOL_VARIABLE)
- || $token->type === Token::TYPE_NONE
- ) {
- // An alias is expected (the keyword `AS` was previously found).
- if (! empty($ret->alias)) {
- $parser->error('An alias was previously found.', $token);
- break;
- }
- $ret->alias = $token->value;
- $asFound = false;
-
- continue;
- }
-
- break;
- }
- if ($asFound) {
- $parser->error('An alias was expected after AS.', $list->tokens[$list->idx - 1]);
- }
-
- $ret->expr = self::build($ret);
- }
-
- --$list->idx;
-
- return $ret;
- }
-
- /**
- * @param CaseExpression $component the component to be built
- * @param array $options parameters for building
- *
- * @return string
- */
- public static function build($component, array $options = [])
- {
- $ret = 'CASE ';
- if (isset($component->value)) {
- // Syntax type 0
- $ret .= $component->value . ' ';
- $val_cnt = count($component->compare_values);
- $res_cnt = count($component->results);
- for ($i = 0; $i < $val_cnt && $i < $res_cnt; ++$i) {
- $ret .= 'WHEN ' . $component->compare_values[$i] . ' ';
- $ret .= 'THEN ' . $component->results[$i] . ' ';
- }
- } else {
- // Syntax type 1
- $val_cnt = count($component->conditions);
- $res_cnt = count($component->results);
- for ($i = 0; $i < $val_cnt && $i < $res_cnt; ++$i) {
- $ret .= 'WHEN ' . Condition::build($component->conditions[$i]) . ' ';
- $ret .= 'THEN ' . $component->results[$i] . ' ';
- }
- }
- if (isset($component->else_result)) {
- $ret .= 'ELSE ' . $component->else_result . ' ';
- }
- $ret .= 'END';
-
- if ($component->alias) {
- $ret .= ' AS ' . Context::escape($component->alias);
- }
-
- return $ret;
- }
-}
generated by cgit (git 2.34.1) at 2026-05-17 04:12:47 +0000