<?php
namespace PhpOffice\PhpSpreadsheet;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
abstract class DefinedName
{
protected const REGEXP_IDENTIFY_FORMULA = '[^_\p{N}\p{L}:, \$\'!]';
/**
* Name.
*
* @var string
*/
protected $name;
/**
* Worksheet on which the defined name can be resolved.
*
* @var ?Worksheet
*/
protected $worksheet;
/**
* Value of the named object.
*
* @var string
*/
protected $value;
/**
* Is the defined named local? (i.e. can only be used on $this->worksheet).
*
* @var bool
*/
protected $localOnly;
/**
* Scope.
*
* @var ?Worksheet
*/
protected $scope;
/**
* Whether this is a named range or a named formula.
*
* @var bool
*/
protected $isFormula;
/**
* Create a new Defined Name.
*/
public function __construct(
string $name,
?Worksheet $worksheet = null,
?string $value = null,
bool $localOnly = false,
?Worksheet $scope = null
) {
if ($worksheet === null) {
$worksheet = $scope;
}
// Set local members
$this->name = $name;
$this->worksheet = $worksheet;
$this->value = (string) $value;
$this->localOnly = $localOnly;
// If local only, then the scope will be set to worksheet unless a scope is explicitly set
$this->scope = ($localOnly === true) ? (($scope === null) ? $worksheet : $scope) : null;
// If the range string contains characters that aren't associated with the range definition (A-Z,1-9
// for cell references, and $, or the range operators (colon comma or space), quotes and ! for
// worksheet names
// then this is treated as a named formula, and not a named range
$this->isFormula = self::testIfFormula($this->value);
}
/**
* Create a new defined name, either a range or a formula.
*/
public static function createInstance(
string $name,
?Worksheet $worksheet = null,
?string $value = null,
bool $localOnly = false,
?Worksheet $scope = null
): self {
$value = (string) $value;
$isFormula = self::testIfFormula($value);
if ($isFormula) {
return new NamedFormula($name, $worksheet, $value, $localOnly, $scope);
}
return new NamedRange($name, $worksheet, $value, $localOnly, $scope);
}
public static function testIfFormula(string $value): bool
{
if (substr($value, 0, 1) === '=') {
$value = substr($value, 1);
}
if (is_numeric($value)) {
return true;
}
$segMatcher = false;
foreach (explode("'", $value) as $subVal) {
// Only test in alternate array entries (the non-quoted blocks)
$segMatcher = $segMatcher === false;
if (
$segMatcher &&
(preg_match('/' . self::REGEXP_IDENTIFY_FORMULA . '/miu', $subVal))
) {
return true;
}
}
return false;
}
/**
* Get name.
*/
public function getName(): string
{
return $this->name;
}
/**
* Set name.
*/
public function setName(string $name): self
{
if (!empty($name)) {
// Old title
$oldTitle = $this->name;
// Re-attach
if ($this->worksheet !== null) {
$this->worksheet->getParentOrThrow()->removeNamedRange($this->name, $this->worksheet);
}
$this->name = $name;
if ($this->worksheet !== null) {
$this->worksheet->getParentOrThrow()->addDefinedName($this);
}
if ($this->worksheet !== null) {
// New title
$newTitle = $this->name;
ReferenceHelper::getInstance()->updateNamedFormulae($this->worksheet->getParentOrThrow(), $oldTitle, $newTitle);
}
}
return $this;
}
/**
* Get worksheet.
*/
public function getWorksheet(): ?Worksheet
{
return $this->worksheet;
}
/**
* Set worksheet.
*/
public function setWorksheet(?Worksheet $worksheet): self
{
$this->worksheet = $worksheet;
return $this;
}
/**
* Get range or formula value.
*/
public function getValue(): string
{
return $this->value;
}
/**
* Set range or formula value.
*/
public function setValue(string $value): self
{
$this->value = $value;
return $this;
}
/**
* Get localOnly.
*/
public function getLocalOnly(): bool
{
return $this->localOnly;
}
/**
* Set localOnly.
*/
public function setLocalOnly(bool $localScope): self
{
$this->localOnly = $localScope;
$this->scope = $localScope ? $this->worksheet : null;
return $this;
}
/**
* Get scope.
*/
public function getScope(): ?Worksheet
{
return $this->scope;
}
/**
* Set scope.
*/
public function setScope(?Worksheet $worksheet): self
{
$this->scope = $worksheet;
$this->localOnly = $worksheet !== null;
return $this;
}
/**
* Identify whether this is a named range or a named formula.
*/
public function isFormula(): bool
{
return $this->isFormula;
}
/**
* Resolve a named range to a regular cell range or formula.
*/
public static function resolveName(string $definedName, Worksheet $worksheet, string $sheetName = ''): ?self
{
if ($sheetName === '') {
$worksheet2 = $worksheet;
} else {
$worksheet2 = $worksheet->getParentOrThrow()->getSheetByName($sheetName);
if ($worksheet2 === null) {
return null;
}
}
return $worksheet->getParentOrThrow()->getDefinedName($definedName, $worksheet2);
}
/**
* Implement PHP __clone to create a deep clone, not just a shallow copy.
*/
public function __clone()
{
$vars = get_object_vars($this);
foreach ($vars as $key => $value) {
if (is_object($value)) {
$this->$key = clone $value;
} else {
$this->$key = $value;
}
}
}
}
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