提交

chengkun

2025-09-05 4822304b63e1bd6327860af7f3db0133cecf167f

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
<?php
 
namespace PhpOffice\PhpSpreadsheet\Cell;
 
use PhpOffice\PhpSpreadsheet\Exception;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use Stringable;
 
/**
 * @implements AddressRange<CellAddress>
 */
class CellRange implements AddressRange, Stringable
{
    protected CellAddress $from;
 
    protected CellAddress $to;
 
    public function __construct(CellAddress $from, CellAddress $to)
    {
        $this->validateFromTo($from, $to);
    }
 
    private function validateFromTo(CellAddress $from, CellAddress $to): void
    {
        // Identify actual top-left and bottom-right values (in case we've been given top-right and bottom-left)
        $firstColumn = min($from->columnId(), $to->columnId());
        $firstRow = min($from->rowId(), $to->rowId());
        $lastColumn = max($from->columnId(), $to->columnId());
        $lastRow = max($from->rowId(), $to->rowId());
 
        $fromWorksheet = $from->worksheet();
        $toWorksheet = $to->worksheet();
        $this->validateWorksheets($fromWorksheet, $toWorksheet);
 
        $this->from = $this->cellAddressWrapper($firstColumn, $firstRow, $fromWorksheet);
        $this->to = $this->cellAddressWrapper($lastColumn, $lastRow, $toWorksheet);
    }
 
    private function validateWorksheets(?Worksheet $fromWorksheet, ?Worksheet $toWorksheet): void
    {
        if ($fromWorksheet !== null && $toWorksheet !== null) {
            // We could simply compare worksheets rather than worksheet titles; but at some point we may introduce
            //    support for 3d ranges; and at that point we drop this check and let the validation fall through
            //    to the check for same workbook; but unless we check on titles, this test will also detect if the
            //    worksheets are in different spreadsheets, and the next check will never execute or throw its
            //    own exception.
            if ($fromWorksheet->getTitle() !== $toWorksheet->getTitle()) {
                throw new Exception('3d Cell Ranges are not supported');
            } elseif ($fromWorksheet->getParent() !== $toWorksheet->getParent()) {
                throw new Exception('Worksheets must be in the same spreadsheet');
            }
        }
    }
 
    private function cellAddressWrapper(int $column, int $row, ?Worksheet $worksheet = null): CellAddress
    {
        $cellAddress = Coordinate::stringFromColumnIndex($column) . (string) $row;
 
        return new class ($cellAddress, $worksheet) extends CellAddress {
            public function nextRow(int $offset = 1): CellAddress
            {
                /** @var CellAddress $result */
                $result = parent::nextRow($offset);
                $this->rowId = $result->rowId;
                $this->cellAddress = $result->cellAddress;
 
                return $this;
            }
 
            public function previousRow(int $offset = 1): CellAddress
            {
                /** @var CellAddress $result */
                $result = parent::previousRow($offset);
                $this->rowId = $result->rowId;
                $this->cellAddress = $result->cellAddress;
 
                return $this;
            }
 
            public function nextColumn(int $offset = 1): CellAddress
            {
                /** @var CellAddress $result */
                $result = parent::nextColumn($offset);
                $this->columnId = $result->columnId;
                $this->columnName = $result->columnName;
                $this->cellAddress = $result->cellAddress;
 
                return $this;
            }
 
            public function previousColumn(int $offset = 1): CellAddress
            {
                /** @var CellAddress $result */
                $result = parent::previousColumn($offset);
                $this->columnId = $result->columnId;
                $this->columnName = $result->columnName;
                $this->cellAddress = $result->cellAddress;
 
                return $this;
            }
        };
    }
 
    public function from(): CellAddress
    {
        // Re-order from/to in case the cell addresses have been modified
        $this->validateFromTo($this->from, $this->to);
 
        return $this->from;
    }
 
    public function to(): CellAddress
    {
        // Re-order from/to in case the cell addresses have been modified
        $this->validateFromTo($this->from, $this->to);
 
        return $this->to;
    }
 
    public function __toString(): string
    {
        // Re-order from/to in case the cell addresses have been modified
        $this->validateFromTo($this->from, $this->to);
 
        if ($this->from->cellAddress() === $this->to->cellAddress()) {
            return "{$this->from->fullCellAddress()}";
        }
 
        $fromAddress = $this->from->fullCellAddress();
        $toAddress = $this->to->cellAddress();
 
        return "{$fromAddress}:{$toAddress}";
    }
}