PhpOffice\PhpSpreadsheet\Writer\Xls\Parser::getRefIndex()

Complexity

Conditions	9
Paths	21

Size

Total Lines	50
Code Lines	30

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	18
CRAP Score	14.184

Importance

Changes

0

<?php
    private function getRefIndex($ext_ref)
    {
        $ext_ref = preg_replace("/^'/", '', $ext_ref); // Remove leading  ' if any.
        $ext_ref = preg_replace("/'$/", '', $ext_ref); // Remove trailing ' if any.
        $ext_ref = str_replace('\'\'', '\'', $ext_ref); // Replace escaped '' with '

        // Check if there is a sheet range eg., Sheet1:Sheet2.
        if (preg_match('/:/', $ext_ref)) {
            [$sheet_name1, $sheet_name2] = explode(':', $ext_ref);

            $sheet1 = $this->getSheetIndex($sheet_name1);
            if ($sheet1 == -1) {
                throw new WriterException("Unknown sheet name $sheet_name1 in formula");
            }
            $sheet2 = $this->getSheetIndex($sheet_name2);
            if ($sheet2 == -1) {
                throw new WriterException("Unknown sheet name $sheet_name2 in formula");
            }

            // Reverse max and min sheet numbers if necessary
            if ($sheet1 > $sheet2) {
                [$sheet1, $sheet2] = [$sheet2, $sheet1];
            }
        } else { // Single sheet name only.
            $sheet1 = $this->getSheetIndex($ext_ref);
            if ($sheet1 == -1) {
                throw new WriterException("Unknown sheet name $ext_ref in formula");
            }
            $sheet2 = $sheet1;
        }

        // assume all references belong to this document
        $supbook_index = 0x00;
        $ref = pack('vvv', $supbook_index, $sheet1, $sheet2);
        $totalreferences = count($this->references);
        $index = -1;
        for ($i = 0; $i < $totalreferences; ++$i) {
            if ($ref == $this->references[$i]) {
                $index = $i;

                break;
            }
        }
        // if REF was not found add it to references array
        if ($index == -1) {
            $this->references[$totalreferences] = $ref;
            $index = $totalreferences;
        }

        return pack('v', $index);
    }