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vendor/phpoffice/math/src/Math/Element/AbstractElement.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace PhpOffice\Math\Element;
+
+abstract class AbstractElement
+{
+}

vendor/phpoffice/math/src/Math/Element/AbstractGroupElement.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace PhpOffice\Math\Element;
+
+abstract class AbstractGroupElement extends AbstractElement
+{
+    /**
+     * @var AbstractElement[]
+     */
+    protected $elements = [];
+
+    public function add(AbstractElement $element): self
+    {
+        $this->elements[] = $element;
+
+        return $this;
+    }
+
+    public function remove(AbstractElement $element): self
+    {
+        $this->elements = array_filter($this->elements, function ($child) use ($element) {
+            return $child != $element;
+        });
+
+        return $this;
+    }
+
+    /**
+     * @return AbstractElement[]
+     */
+    public function getElements(): array
+    {
+        return $this->elements;
+    }
+}

vendor/phpoffice/math/src/Math/Element/Fraction.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace PhpOffice\Math\Element;
+
+class Fraction extends AbstractElement
+{
+    /**
+     * @var AbstractElement
+     */
+    protected $denominator;
+
+    /**
+     * @var AbstractElement
+     */
+    protected $numerator;
+
+    public function __construct(AbstractElement $numerator, AbstractElement $denominator)
+    {
+        $this->setNumerator($numerator);
+        $this->setDenominator($denominator);
+    }
+
+    public function getDenominator(): AbstractElement
+    {
+        return $this->denominator;
+    }
+
+    public function getNumerator(): AbstractElement
+    {
+        return $this->numerator;
+    }
+
+    public function setDenominator(AbstractElement $element): self
+    {
+        $this->denominator = $element;
+
+        return $this;
+    }
+
+    public function setNumerator(AbstractElement $element): self
+    {
+        $this->numerator = $element;
+
+        return $this;
+    }
+}

vendor/phpoffice/math/src/Math/Element/Identifier.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace PhpOffice\Math\Element;
+
+class Identifier extends AbstractElement
+{
+    /**
+     * @var string
+     */
+    protected $value;
+
+    public function __construct(string $value)
+    {
+        $this->value = $value;
+    }
+
+    public function getValue(): string
+    {
+        return $this->value;
+    }
+}

vendor/phpoffice/math/src/Math/Element/Numeric.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace PhpOffice\Math\Element;
+
+class Numeric extends AbstractElement
+{
+    /**
+     * @var float
+     */
+    protected $value;
+
+    public function __construct(float $value)
+    {
+        $this->value = $value;
+    }
+
+    public function getValue(): float
+    {
+        return $this->value;
+    }
+}

vendor/phpoffice/math/src/Math/Element/Operator.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace PhpOffice\Math\Element;
+
+class Operator extends AbstractElement
+{
+    /**
+     * @var string
+     */
+    protected $value;
+
+    public function __construct(string $value)
+    {
+        $this->value = $value;
+    }
+
+    public function getValue(): string
+    {
+        return $this->value;
+    }
+}

vendor/phpoffice/math/src/Math/Element/Row.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace PhpOffice\Math\Element;
+
+class Row extends AbstractGroupElement
+{
+}

vendor/phpoffice/math/src/Math/Element/Semantics.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpOffice\Math\Element;
+
+class Semantics extends AbstractGroupElement
+{
+    /**
+     * @var array<string, string>
+     */
+    protected $annotations = [];
+
+    public function addAnnotation(string $encoding, string $annotation): self
+    {
+        $this->annotations[$encoding] = $annotation;
+
+        return $this;
+    }
+
+    public function getAnnotation(string $encoding): ?string
+    {
+        return $this->annotations[$encoding] ?? null;
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    public function getAnnotations(): array
+    {
+        return $this->annotations;
+    }
+}

vendor/phpoffice/math/src/Math/Element/Superscript.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace PhpOffice\Math\Element;
+
+class Superscript extends AbstractElement
+{
+    /**
+     * @var AbstractElement
+     */
+    protected $base;
+
+    /**
+     * @var AbstractElement
+     */
+    protected $superscript;
+
+    public function __construct(AbstractElement $base, AbstractElement $superscript)
+    {
+        $this->setBase($base);
+        $this->setSuperscript($superscript);
+    }
+
+    public function getBase(): AbstractElement
+    {
+        return $this->base;
+    }
+
+    public function getSuperscript(): AbstractElement
+    {
+        return $this->superscript;
+    }
+
+    public function setBase(AbstractElement $element): self
+    {
+        $this->base = $element;
+
+        return $this;
+    }
+
+    public function setSuperscript(AbstractElement $element): self
+    {
+        $this->superscript = $element;
+
+        return $this;
+    }
+}