Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

12 files changed, 2164 insertions, 0 deletions

diff --git a/starmath/inc/mathml/attribute.hxx b/starmath/inc/mathml/attribute.hxx
new file mode 100644
index 000000000..946e9f463
--- /dev/null
+++ b/starmath/inc/mathml/attribute.hxx
@@ -0,0 +1,203 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "def.hxx"
+
+/* All possible data needed to do the job outside mathml limits */
+// Ml prefix means it is part of mathml standard
+// NMl means it is not part of mathml standard but needed info to work
+
+/* Union for storing the mathml attribute value */
+/*************************************************************************************************/
+
+union SmMlAttributeValue {
+    SmMlAttributeValue(){};
+
+    struct SmMlAccent m_aAccent;
+    struct SmMlDir m_aDir;
+    struct SmMlDisplaystyle m_aDisplaystyle;
+    struct SmMlFence m_aFence;
+    struct SmMlForm m_aForm;
+    struct SmMlHref m_aHref;
+    struct SmMlLspace m_aLspace;
+    struct SmMlMathbackground m_aMathbackground;
+    struct SmMlMathcolor m_aMathcolor;
+    struct SmMlMathsize m_aMathsize;
+    struct SmMlMathvariant m_aMathvariant;
+    struct SmMlMaxsize m_aMaxsize;
+    struct SmMlMinsize m_aMinsize;
+    struct SmMlMovablelimits m_aMovablelimits;
+    struct SmMlRspace m_aRspace;
+    struct SmMlSeparator m_aSeparator;
+    struct SmMlStretchy m_aStretchy;
+    struct SmMlSymmetric m_aSymmetric;
+};
+
+/* Class managing the attribute value */
+/*************************************************************************************************/
+
+class SmMlAttribute
+{
+private:
+    SmMlAttributeValueType m_aSmMlAttributeValueType;
+    SmMlAttributeValue m_aAttributeValue;
+    bool m_bSet;
+
+private:
+    void clearPreviousAttributeValue();
+    void setDefaultAttributeValue();
+    void setAttributeValue(const SmMlAttribute* aMlAttribute);
+
+public:
+    SmMlAttribute()
+        : m_aSmMlAttributeValueType(SmMlAttributeValueType::NMlEmpty)
+        , m_bSet(false){};
+
+    ~SmMlAttribute() { clearPreviousAttributeValue(); };
+
+    SmMlAttribute(SmMlAttributeValueType)
+        : m_aSmMlAttributeValueType(SmMlAttributeValueType::NMlEmpty)
+        , m_bSet(false)
+    {
+        setDefaultAttributeValue();
+    };
+
+    SmMlAttribute(const SmMlAttribute& aMlAttribute)
+        : m_aSmMlAttributeValueType(SmMlAttributeValueType::NMlEmpty)
+        , m_bSet(aMlAttribute.isSet())
+    {
+        setAttributeValue(&aMlAttribute);
+    }
+
+    SmMlAttribute(const SmMlAttribute* aMlAttribute)
+        : m_aSmMlAttributeValueType(SmMlAttributeValueType::NMlEmpty)
+        , m_bSet(aMlAttribute->isSet())
+    {
+        setAttributeValue(aMlAttribute);
+    }
+
+public:
+    /** Check if the attribute has been set
+    */
+    bool isSet() const { return m_bSet; }
+
+    /** Set if the attribute has been set
+    */
+    void setSet(bool bSet) { m_bSet = bSet; }
+
+public:
+    /**
+      * Returns the type of attribute we are dealing with.
+      * Attribute Value Type
+      */
+    SmMlAttributeValueType getMlAttributeValueType() const { return m_aSmMlAttributeValueType; };
+
+    /**
+      * Checks if the attribute contains information.
+      * Attribute Value Type
+      */
+    bool isNullAttribute() const
+    {
+        return m_aSmMlAttributeValueType == SmMlAttributeValueType::NMlEmpty;
+    };
+
+    /**
+      * Compares the type of attribute with a given one.
+      * Attribute Value Type
+      */
+    bool isMlAttributeValueType(SmMlAttributeValueType aAttributeValueType) const
+    {
+        return m_aSmMlAttributeValueType == aAttributeValueType;
+    };
+
+    /**
+      * Set the type of attribute we are dealing with.
+      * @param Attribute Value Type
+      */
+    void setMlAttributeValueType(SmMlAttributeValueType aAttributeValueType)
+    {
+        clearPreviousAttributeValue();
+        m_aSmMlAttributeValueType = aAttributeValueType;
+        setDefaultAttributeValue();
+    }
+
+    void setMlAttributeValue(const SmMlAttribute& aMlAttribute)
+    {
+        m_bSet = true;
+        setAttributeValue(&aMlAttribute);
+    }
+
+    void setMlAttributeValue(const SmMlAttribute* aMlAttribute)
+    {
+        m_bSet = true;
+        setAttributeValue(aMlAttribute);
+    }
+
+public:
+    // Get values
+    const struct SmMlAccent* getMlAccent() const;
+    const struct SmMlDir* getMlDir() const;
+    const struct SmMlDisplaystyle* getMlDisplaystyle() const;
+    const struct SmMlFence* getMlFence() const;
+    const struct SmMlForm* getMlForm() const;
+    const struct SmMlHref* getMlHref() const;
+    const struct SmMlLspace* getMlLspace() const;
+    const struct SmMlMathbackground* getMlMathbackground() const;
+    const struct SmMlMathcolor* getMlMathcolor() const;
+    const struct SmMlMathsize* getMlMathsize() const;
+    const struct SmMlMathvariant* getMlMathvariant() const;
+    const struct SmMlMaxsize* getMlMaxsize() const;
+    const struct SmMlMinsize* getMlMinsize() const;
+    const struct SmMlMovablelimits* getMlMovablelimits() const;
+    const struct SmMlRspace* getMlRspace() const;
+    const struct SmMlSeparator* getMlSeparator() const;
+    const struct SmMlStretchy* getMlStretchy() const;
+    const struct SmMlSymmetric* getMlSymmetric() const;
+
+    // Set values
+    // Note that content is copied.
+    void setMlAccent(const SmMlAccent* aAccent);
+    void setMlDir(const SmMlDir* aDir);
+    void setMlDisplaystyle(const SmMlDisplaystyle* aDisplaystyle);
+    void setMlFence(const SmMlFence* aFence);
+    void setMlForm(const SmMlForm* aForm);
+    void setMlHref(const SmMlHref* aHref);
+    void setMlLspace(const SmMlLspace* aLspace);
+    void setMlMathbackground(const SmMlMathbackground* aMathbackground);
+    void setMlMathcolor(const SmMlMathcolor* aMathcolor);
+    void setMlMathsize(const SmMlMathsize* aMathsize);
+    void setMlMathvariant(const SmMlMathvariant* aMathvariant);
+    void setMlMaxsize(const SmMlMaxsize* aMaxsize);
+    void setMlMinsize(const SmMlMinsize* aMinSize);
+    void setMlMovablelimits(const SmMlMovablelimits* aMovablelimits);
+    void setMlRspace(const SmMlRspace* aRspace);
+    void setMlSeparator(const SmMlSeparator* aSeparator);
+    void setMlStretchy(const SmMlStretchy* aStretchy);
+    void setMlSymmetric(const SmMlSymmetric* aSymmetric);
+};
+
+/* element's attributes */
+/*************************************************************************************************/
+
+namespace starmathdatabase
+{
+extern SmMlAttributePos MlAttributeListEmpty[1];
+extern SmMlAttributePos MlAttributeListMath[1];
+extern SmMlAttributePos MlAttributeListMi[7];
+extern SmMlAttributePos MlAttributeListMerror[4];
+extern SmMlAttributePos MlAttributeListMn[7];
+extern SmMlAttributePos MlAttributeListMo[18];
+extern SmMlAttributePos MlAttributeListMrow[4];
+extern SmMlAttributePos MlAttributeListMtext[7];
+extern SmMlAttributePos MlAttributeListMstyle[18];
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/inc/mathml/def.hxx b/starmath/inc/mathml/def.hxx
new file mode 100644
index 000000000..380736711
--- /dev/null
+++ b/starmath/inc/mathml/def.hxx
@@ -0,0 +1,330 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <tools/color.hxx>
+
+/* All possible data needed to do the job outside mathml limits */
+// Ml prefix means it is part of mathml standard
+// NMl means it is not part of mathml standard but needed info to work
+
+/* For now empty, don't know yet what's needed besides default font size. */
+struct SmGlobalData
+{
+};
+
+/* Mhtml length tools */
+/*************************************************************************************************/
+
+enum class SmLengthUnit : uint_fast8_t
+{
+    MlEm,
+    MlEx,
+    MlPx,
+    MlIn,
+    MlCm,
+    MlMm,
+    MlPt,
+    MlPc,
+    MlP, // Percent
+    MlM // Multiplier
+};
+
+struct SmLengthValue
+{
+    SmLengthUnit m_aLengthUnit;
+    double m_aLengthValue;
+    // Keeps original text value to avoid numerical error data loss
+    OUString* m_aOriginalText;
+};
+
+/* Possible mathml elements */
+/*************************************************************************************************/
+
+enum class SmMlElementType : uint_fast8_t
+{
+    // Used for base element. Means no information contained.
+    NMlEmpty,
+    // Used for structural dependencies. Means no information contained.
+    NMlStructural,
+    NMlSmNode,
+    // Mathml real elements
+    MlMath,
+    MlMi,
+    MlMerror,
+    MlMn,
+    MlMo,
+    MlMrow,
+    MlMtext,
+    MlMstyle
+};
+
+/* Possible mathml attributes */
+/*************************************************************************************************/
+
+enum class SmMlAttributeValueType : uint_fast8_t
+{
+    NMlEmpty,
+    MlAccent,
+    MlDir,
+    MlDisplaystyle,
+    MlFence,
+    MlForm,
+    MlHref,
+    MlLspace,
+    MlMathbackground,
+    MlMathcolor,
+    MlMathsize,
+    MlMathvariant,
+    MlMaxsize,
+    MlMinsize,
+    MlMovablelimits,
+    MlRspace,
+    MlSeparator,
+    MlStretchy,
+    MlSymmetric
+};
+
+/* Possible values of mathml attributes */
+/*************************************************************************************************/
+
+enum class SmMlAttributeValueEmpty : uint_fast8_t
+{
+    MlEmpty = 0x00
+};
+
+enum class SmMlAttributeValueAccent : uint_fast8_t
+{
+    MlFalse = 0x00,
+    MlTrue = 0x01
+};
+
+enum class SmMlAttributeValueDir : uint_fast8_t
+{
+    MlLtr = 0x00,
+    MlRtl = 0x01
+};
+
+enum class SmMlAttributeValueDisplaystyle : uint_fast8_t
+{
+    MlFalse = 0x00,
+    MlTrue = 0x01
+};
+
+enum class SmMlAttributeValueFence : uint_fast8_t
+{
+    MlFalse = 0x00,
+    MlTrue = 0x01
+};
+
+enum class SmMlAttributeValueForm : uint_fast8_t
+{
+    MlPrefix = 0x01,
+    MlInfix = 0x02,
+    MlPosfix = 0x04
+};
+
+enum class SmMlAttributeValueHref : uint_fast8_t
+{
+    NMlEmpty = 0x00,
+    NMlValid = 0x01
+};
+
+enum class SmMlAttributeValueLspace : uint_fast8_t
+{
+    NMlEmpty = 0x00
+};
+
+enum class SmMlAttributeValueMathbackground : uint_fast32_t
+{
+    MlTransparent = 0x00,
+    MlRgb = 0x01
+};
+
+enum class SmMlAttributeValueMathcolor : uint_fast8_t
+{
+    MlDefault = 0x00,
+    MlRgb = 0x01
+};
+
+enum class SmMlAttributeValueMathsize : uint_fast8_t
+{
+    NMlEmpty = 0x00,
+};
+
+enum class SmMlAttributeValueMathvariant : uint_fast16_t
+{
+    normal = 0x000,
+    bold = 0x001,
+    italic = 0x002,
+    double_struck = 0x004,
+    script = 0x008,
+    fraktur = 0x010,
+    sans_serif = 0x020,
+    monospace = 0x040,
+    bold_italic = 0x001 | 0x002,
+    bold_fraktur = 0x001 | 0x010,
+    bold_script = 0x001 | 0x008,
+    bold_sans_serif = 0x001 | 0x020,
+    sans_serif_italic = 0x002 | 0x20,
+    sans_serif_bold_italic = 0x001 | 0x002 | 0x020,
+    // Non english
+    initial = 0x080,
+    tailed = 0x100,
+    looped = 0x200,
+    stretched = 0x400
+};
+
+enum class SmMlAttributeValueMaxsize : uint_fast8_t
+{
+    MlInfinity = 0x00,
+    MlFinite = 0x01
+};
+
+/*
+ * Specifies whether attached under- and overscripts move to sub- and superscript positions when displaystyle is false.
+ * Source: https://developer.mozilla.org/en-US/docs/Web/MathML/Element/mo
+ */
+enum class SmMlAttributeValueMovablelimits : uint_fast8_t
+{
+    MlFalse = 0x00,
+    MlTrue = 0x01
+};
+
+enum class SmMlAttributeValueRspace : uint_fast8_t
+{
+    NMlEmpty = 0x00
+};
+
+enum class SmMlAttributeValueSeparator : uint_fast8_t
+{
+    MlFalse = 0x00,
+    MlTrue = 0x01
+};
+
+enum class SmMlAttributeValueStretchy : uint_fast8_t
+{
+    MlFalse = 0x00,
+    MlTrue = 0x01
+};
+
+enum class SmMlAttributeValueSymmetric : uint_fast8_t
+{
+    MlFalse = 0x00,
+    MlTrue = 0x01
+};
+
+/* Structures for all possible attributes */
+/*************************************************************************************************/
+
+struct SmMlAccent
+{
+    SmMlAttributeValueAccent m_aAccent;
+};
+
+struct SmMlDir
+{
+    SmMlAttributeValueDir m_aDir;
+};
+
+struct SmMlDisplaystyle
+{
+    SmMlAttributeValueDisplaystyle m_aDisplaystyle;
+};
+
+struct SmMlFence
+{
+    SmMlAttributeValueFence m_aFence;
+};
+
+struct SmMlForm
+{
+    SmMlAttributeValueForm m_aForm;
+};
+
+struct SmMlHref
+{
+    SmMlAttributeValueHref m_aHref;
+    OUString* m_aLnk;
+};
+
+struct SmMlLspace
+{
+    SmLengthValue m_aLengthValue;
+};
+
+struct SmMlMathbackground
+{
+    SmMlAttributeValueMathbackground m_aMathbackground;
+    Color m_aCol;
+};
+
+struct SmMlMathcolor
+{
+    SmMlAttributeValueMathcolor m_aMathcolor;
+    Color m_aCol;
+};
+
+struct SmMlMathsize
+{
+    SmLengthValue m_aLengthValue;
+};
+
+struct SmMlMathvariant
+{
+    SmMlAttributeValueMathvariant m_aMathvariant;
+};
+
+struct SmMlMaxsize
+{
+    SmMlAttributeValueMaxsize m_aMaxsize;
+    SmLengthValue m_aLengthValue;
+};
+
+struct SmMlMinsize
+{
+    SmLengthValue m_aLengthValue;
+};
+
+struct SmMlMovablelimits
+{
+    SmMlAttributeValueMovablelimits m_aMovablelimits;
+};
+
+struct SmMlRspace
+{
+    SmLengthValue m_aLengthValue;
+};
+
+struct SmMlSeparator
+{
+    SmMlAttributeValueSeparator m_aSeparator;
+};
+
+struct SmMlStretchy
+{
+    SmMlAttributeValueStretchy m_aStretchy;
+};
+
+struct SmMlSymmetric
+{
+    SmMlAttributeValueSymmetric m_aSymmetric;
+};
+
+/* order attributes */
+/*************************************************************************************************/
+
+struct SmMlAttributePos
+{
+    SmMlAttributeValueType m_aAttributeValueType;
+    uint_fast8_t m_nPos;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/inc/mathml/element.hxx b/starmath/inc/mathml/element.hxx
new file mode 100644
index 000000000..ce5d7073b
--- /dev/null
+++ b/starmath/inc/mathml/element.hxx
@@ -0,0 +1,300 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "attribute.hxx"
+#include <rect.hxx>
+
+#include <editeng/editdata.hxx>
+
+class SmMlElement final : public SmRect
+{
+    /* Technical stuff */
+
+public:
+    SmMlElement()
+        : m_aElementType(SmMlElementType::NMlEmpty)
+        , m_aText(u"")
+        , m_aESelection(0, 0, 0, 0)
+        , m_aAttributeList(0)
+        , m_aAttributePosList(0)
+        , m_aSubElements(0)
+        , m_aParentElement(nullptr)
+        , m_nSubElementId(0)
+    {
+        SmImplAttributeType();
+    };
+    /* Mathml stuff */
+
+public:
+    SmMlElement(SmMlElementType aElementType)
+        : m_aElementType(aElementType)
+        , m_aText(u"\u00B6")
+        , m_aESelection(0, 0, 0, 0)
+        , m_aSubElements(0)
+        , m_aParentElement(nullptr)
+        , m_nSubElementId(0)
+    {
+        SmImplAttributeType();
+    };
+
+public:
+    SmMlElement(const SmMlElement& aElement)
+        : SmRect(static_cast<SmRect>(aElement))
+        , m_aElementType(aElement.getMlElementType())
+        , m_aText(aElement.getText())
+        , m_aESelection(aElement.getESelectionReference())
+        , m_aSubElements(0)
+        , m_aParentElement(nullptr)
+        , m_nSubElementId(aElement.getSubElementId())
+    {
+        m_aAttributePosList = std::vector<SmMlAttributePos>(aElement.getAttributeCount());
+        for (size_t i = 0; i < aElement.getAttributeCount(); ++i)
+            setAttributeForce(i, aElement.getAttributePointer(i));
+    };
+
+private:
+    // Type of element
+    SmMlElementType m_aElementType;
+
+    // Element text
+    OUString m_aText;
+
+    // Location in source code
+    ESelection m_aESelection;
+
+    // Attribute list
+    std::vector<SmMlAttribute> m_aAttributeList;
+
+    // Attribute position list
+    std::vector<SmMlAttributePos> m_aAttributePosList;
+
+    // Sub elements
+    std::vector<SmMlElement*> m_aSubElements;
+
+    // Parent element
+    SmMlElement* m_aParentElement;
+
+    // Child id, so it is possible to iterate
+    size_t m_nSubElementId;
+
+private:
+    void SmImplAttributeType();
+
+public: // Element type
+    /**
+      * Returns the mathml element type
+      * @return mathml element type
+      */
+    SmMlElementType getMlElementType() const { return m_aElementType; };
+
+    /**
+      * Check if the mathml element is of a given type
+      * @param aElementType
+      * @return is mathml element type
+      */
+    bool isMlElementType(SmMlElementType aElementType) const
+    {
+        return m_aElementType == aElementType;
+    };
+
+public: // location in the source
+    /**
+      * Returns the location in the source code of the node type
+      * @return selection
+      */
+    const ESelection& getESelection() const { return m_aESelection; };
+
+    /**
+      * Returns the location in the source code of the node type
+      * @return selection
+      */
+    const ESelection& getESelectionReference() const { return m_aESelection; };
+
+    /**
+      * Sets the location in the source code of the node type
+      * @param aESelection
+      */
+    void setESelection(ESelection aESelection) { m_aESelection = aESelection; };
+
+    /**
+      * Gets the line in the text where the node is located.
+      * It is used to do the visual <-> text correspondence.
+      * @return line
+      */
+    sal_Int32 GetSourceCodeRow() const { return m_aESelection.nStartPara; }
+
+    /**
+      * Gets the column of the line in the text where the node is located.
+      * It is used to do the visual <-> text correspondence.
+      * @return column
+      */
+    sal_Int32 GetSourceCodeColumn() const { return m_aESelection.nStartPos; }
+
+public: // attributes
+    /**
+      * Returns the amount of available attributes
+      * @return attribute count
+      */
+    size_t getAttributeCount() const { return m_aAttributeList.size(); };
+
+    /**
+      * Gets a given attribute.
+      * If no available returns empty attribute.
+      * @param nAttributePos
+      * @return given attribute.
+      */
+    SmMlAttribute getAttribute(size_t nAttributePos) const
+    {
+        return nAttributePos < m_aAttributeList.size() ? m_aAttributeList[nAttributePos]
+                                                       : SmMlAttribute();
+    }
+
+    /**
+      * Gets a given attribute.
+      * If no available returns empty attribute.
+      * @param nAttributePos
+      * @return given attribute.
+      */
+    SmMlAttribute getAttribute(SmMlAttributeValueType aAttributeType) const;
+
+    /**
+      * Sets a given attribute.
+      * If no available does nothing.
+      * @param nAttributePos
+      * @return given attribute.
+      */
+    void setAttribute(const SmMlAttribute* aAttribute);
+
+    /**
+      * Set's a given attribute.
+      * If no available does nothing.
+      * @param nAttributePos
+      * @return given attribute.
+      */
+    void setAttribute(const SmMlAttribute& aAttribute) { setAttribute(&aAttribute); }
+
+    /** Checks if an attribute has been manually set
+    * @param aElementType
+    */
+    bool isAttributeSet(SmMlAttributeValueType aAttributeType) const;
+
+private: // attributes
+    /**
+      * Gets a given attribute.
+      * If no available returns empty attribute.
+      * @param nAttributePos
+      * @return given attribute.
+      */
+    const SmMlAttribute* getAttributePointer(size_t nAttributePos) const
+    {
+        return nAttributePos < m_aAttributeList.size() ? &m_aAttributeList[nAttributePos] : nullptr;
+    }
+
+    /**
+      * Sets a given attribute.
+      * If no available undefined behaviour.
+      * @param nAttributePos
+      * @param aAttribute
+      * @return given attribute.
+      */
+    void setAttributeForce(size_t nAttributePos, const SmMlAttribute* aAttribute)
+    {
+        m_aAttributeList[nAttributePos].setMlAttributeValue(aAttribute);
+    }
+
+public: // sub elements
+    /**
+      * Returns the sub elements count
+      * @return sub elements count
+      */
+    size_t getSubElementsCount() const { return m_aSubElements.size(); };
+
+    /**
+      * Returns a given sub element
+      * @param nPos
+      * @return sub elements
+      */
+    SmMlElement* getSubElement(size_t nPos)
+    {
+        return nPos < m_aSubElements.size() ? m_aSubElements[nPos] : nullptr;
+    };
+
+    /**
+      * Returns a given sub element
+      * @param nPos
+      * @return sub elements
+      */
+    const SmMlElement* getSubElement(size_t nPos) const
+    {
+        return nPos < m_aSubElements.size() ? m_aSubElements[nPos] : nullptr;
+    };
+
+    /**
+      * Sets a given sub element
+      * @param nPos
+      * @param aElement
+      */
+    void setSubElement(size_t nPos, SmMlElement* aElement);
+
+    /**
+      * Gets subelement id
+      */
+    size_t getSubElementId() const { return m_nSubElementId; }
+
+    /**
+      * Sets subelement id
+      * @param nSubElementId
+      */
+    void setSubElementId(size_t nSubElementId) { m_nSubElementId = nSubElementId; }
+
+public: // parent elements
+    /**
+      * Returns the parent element
+      * @return parent element
+      */
+    SmMlElement* getParentElement() { return m_aParentElement; };
+
+    /**
+      * Returns the parent element
+      * @return parent element
+      */
+    const SmMlElement* getParentElement() const { return m_aParentElement; };
+
+    /**
+      * Sets the parent element
+      * No allocation / free is done.
+      * @param aParentElement
+      */
+    void setParentElement(SmMlElement* aParentElement) { m_aParentElement = aParentElement; };
+
+public: // text elements
+    /**
+      * Returns the element text
+      */
+    const OUString& getText() const { return m_aText; };
+
+    /**
+      * Returns the element text
+      */
+    void setText(OUString aText) { m_aText = aText; };
+};
+
+namespace starmathdatabase
+{
+/**
+  * Generates an attribute vector of default values from an attribute position list.
+  * @param aAttributePosList
+  * @return attribute vector
+  */
+std::vector<SmMlAttribute> makeMlAttributeList(std::vector<SmMlAttributePos> aAttributePosList);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/inc/mathml/export.hxx b/starmath/inc/mathml/export.hxx
new file mode 100644
index 000000000..0bd83e6ef
--- /dev/null
+++ b/starmath/inc/mathml/export.hxx
@@ -0,0 +1,241 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+// Our mathml
+#include "element.hxx"
+
+// Xml tools
+#include <xmloff/xmlnamespace.hxx>
+#include <xmloff/xmlexp.hxx>
+#include <xmloff/xmltoken.hxx>
+
+// Extras
+#include <com/sun/star/io/XOutputStream.hpp>
+
+class SfxMedium;
+class SmDocShell;
+
+class SmMLExportWrapper
+{
+private:
+    // Model
+    css::uno::Reference<css::frame::XModel> m_xModel;
+    // Save as a flat document ( mml, fodf ... )
+    bool m_bFlat;
+    // Use html / mathml entities
+    bool m_bUseHTMLMLEntities;
+    // Mathmml tree to parse
+    SmMlElement* m_pElementTree;
+    // Export xmlns tag
+    bool m_bUseExportTag;
+
+public:
+    /** Set's the writer to export to flat document
+     */
+    void setFlat(bool bFlat) { m_bFlat = bFlat; }
+
+    /** Checks if the writer is set to export to flat document
+     */
+    bool getFlat() const { return m_bFlat; }
+
+    /** Checks the use of HTML / MathML entities such as &infinity;
+     */
+    void setUseHTMLMLEntities(bool bUseHTMLMLEntities)
+    {
+        m_bUseHTMLMLEntities = bUseHTMLMLEntities;
+    }
+
+    /** Activates the use of HTML / MathML entities such as &infinity;
+     */
+    bool getUseHTMLMLEntities() const { return m_bUseHTMLMLEntities; }
+
+    /** Get's if xmlns field is added
+     */
+    bool getUseExportTag() const { return m_bUseExportTag; }
+
+    /** Set's if xmlns field is added
+     */
+    void setUseExportTag(bool bUseExportTag) { m_bUseExportTag = bUseExportTag; }
+
+public:
+    explicit SmMLExportWrapper(css::uno::Reference<css::frame::XModel> const& rRef)
+        : m_xModel(rRef)
+        , m_bFlat(true)
+        , m_bUseHTMLMLEntities(false)
+        , m_pElementTree(nullptr)
+        , m_bUseExportTag(false)
+    {
+    }
+
+    /** Export to an archive
+      */
+    bool Export(SfxMedium& rMedium);
+
+    /** Just export a mathml tree
+      */
+    OUString Export(SmMlElement* pElementTree);
+
+    // Making this protected we can keep it from getting trash as input
+protected:
+    /** export through an XML exporter component (output stream version)
+        */
+    bool WriteThroughComponentOS(const css::uno::Reference<css::io::XOutputStream>& xOutputStream,
+                                 const css::uno::Reference<css::lang::XComponent>& xComponent,
+                                 css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                                 css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
+                                 const char16_t* pComponentName, int_fast16_t nSyntaxVersion);
+
+    /** export through an XML exporter component (storage version)
+      */
+    bool WriteThroughComponentS(const css::uno::Reference<css::embed::XStorage>& xStor,
+                                const css::uno::Reference<css::lang::XComponent>& xComponent,
+                                const char16_t* pStreamName,
+                                css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                                css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
+                                const char16_t* pComponentName, int_fast16_t nSyntaxVersion);
+
+    /** export through an XML exporter component (memory stream version)
+      */
+    OUString
+    WriteThroughComponentMS(const css::uno::Reference<css::lang::XComponent>& xComponent,
+                            css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                            css::uno::Reference<css::beans::XPropertySet> const& rPropSet);
+};
+
+class SmMLExport final : public SvXMLExport
+{
+private:
+    SmMlElement* m_pElementTree;
+    bool m_bSuccess;
+    bool m_bUseExportTag;
+
+public:
+    /** Everything was allright
+     */
+    bool getSuccess() const { return m_bSuccess; }
+
+    /** Get's if xmlns field is added
+     */
+    bool getUseExportTag() const { return m_bUseExportTag; }
+
+    /** Set's if xmlns field is added
+     */
+    void setUseExportTag(bool bUseExportTag) { m_bUseExportTag = bUseExportTag; }
+
+    /** Set's the element tree to be exported.
+      * If it isn't nullptr the this will be exported instead of the document
+     */
+    void setElementTree(SmMlElement* pElementTree) { m_pElementTree = pElementTree; }
+
+private:
+    /** Adds an element
+      */
+    SvXMLElementExport* createElementExport(xmloff::token::XMLTokenEnum nElement)
+    {
+        // We can't afford to ignore white spaces. They are part of the code.
+        return new SvXMLElementExport(*this, XML_NAMESPACE_MATH, nElement, false, false);
+    }
+
+    /** Adds an attribute
+      */
+    void addAttribute(xmloff::token::XMLTokenEnum pAttribute,
+                      xmloff::token::XMLTokenEnum pAttributeValue)
+    {
+        AddAttribute(XML_NAMESPACE_MATH, pAttribute, pAttributeValue);
+    }
+
+    /** Adds an attribute
+      */
+    void addAttribute(xmloff::token::XMLTokenEnum pAttribute, const OUString& pAttributeValue)
+    {
+        AddAttribute(XML_NAMESPACE_MATH, pAttribute, pAttributeValue);
+    }
+
+public:
+    /** Exports an attribute of type "length"
+     */
+    void exportMlAttributeLength(xmloff::token::XMLTokenEnum pAttribute,
+                                 const SmLengthValue& aLengthValue);
+
+    /** Exports attributes of an element
+      */
+    void exportMlAttributes(const SmMlElement* pMlElement);
+
+    /** Exports an element and all it's attributes
+      */
+    SvXMLElementExport* exportMlElement(const SmMlElement* pMlElement);
+
+    /** Exports an element tree
+      */
+    void exportMlElementTree();
+
+    /** Handles an error on the mathml structure
+     */
+    void declareMlError();
+
+public:
+    /** Constructor
+     */
+    SmMLExport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
+               OUString const& implementationName, SvXMLExportFlags nExportFlags);
+
+private:
+    /** Get's document shell
+     */
+    SmDocShell* getSmDocShell();
+
+public:
+    // XUnoTunnel
+    sal_Int64 SAL_CALL getSomething(const css::uno::Sequence<sal_Int8>& rId) override;
+    static const css::uno::Sequence<sal_Int8>& getUnoTunnelId() noexcept;
+
+    /** Exports auto styles
+     * However math doesn't have any
+     */
+    void ExportAutoStyles_() override {}
+
+    /** Exports master styles
+     * However math doesn't have any
+     */
+    void ExportMasterStyles_() override {}
+
+    /** Exports formula
+     * Handler used from exportDoc
+     */
+    void ExportContent_() override { exportMlElementTree(); };
+
+    /** Exports the document
+     * If m_pElementTree isn't null then exports m_pElementTree
+    */
+    ErrCode exportDoc(enum ::xmloff::token::XMLTokenEnum eClass
+                      = ::xmloff::token::XML_TOKEN_INVALID) override;
+
+    /** Get's view settings and prepares them to export
+     */
+    virtual void GetViewSettings(css::uno::Sequence<css::beans::PropertyValue>& aProps) override;
+
+    /** Get's configuration settings and prepares them to export
+     */
+    virtual void
+    GetConfigurationSettings(css::uno::Sequence<css::beans::PropertyValue>& aProps) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/inc/mathml/import.hxx b/starmath/inc/mathml/import.hxx
new file mode 100644
index 000000000..d98cc8cf4
--- /dev/null
+++ b/starmath/inc/mathml/import.hxx
@@ -0,0 +1,150 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+// Our mathml
+#include "element.hxx"
+
+// XML tools
+#include <vcl/errcode.hxx>
+#include <xmloff/xmlimp.hxx>
+
+// Extras
+
+class SfxMedium;
+class SmDocShell;
+class SmMLImport;
+
+class SmMLImportWrapper
+{
+    css::uno::Reference<css::frame::XModel> m_xModel;
+    SmDocShell* m_pDocShell;
+    SmMLImport* m_pMlImport;
+
+private:
+    // Use customized entities
+
+public:
+    /** Get the element tree when parsed from text
+    */
+    SmMlElement* getElementTree();
+
+public:
+    /** Constructor
+     */
+    explicit SmMLImportWrapper(css::uno::Reference<css::frame::XModel> const& rRef)
+        : m_xModel(rRef)
+        , m_pDocShell(nullptr)
+        , m_pMlImport(nullptr)
+    {
+    }
+
+    /** Imports the mathml
+    */
+    ErrCode Import(SfxMedium& rMedium);
+
+    /** Imports the mathml
+    */
+    ErrCode Import(std::u16string_view aSource);
+
+    /** read a component from input stream
+     */
+    ErrCode
+    ReadThroughComponentIS(const css::uno::Reference<css::io::XInputStream>& xInputStream,
+                           const css::uno::Reference<css::lang::XComponent>& xModelComponent,
+                           css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                           css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
+                           const char16_t* pFilterName, bool bEncrypted,
+                           int_fast16_t nSyntaxVersion);
+
+    /** read a component from storage
+     */
+    ErrCode ReadThroughComponentS(const css::uno::Reference<css::embed::XStorage>& xStorage,
+                                  const css::uno::Reference<css::lang::XComponent>& xModelComponent,
+                                  const char16_t* pStreamName,
+                                  css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                                  css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
+                                  const char16_t* pFilterName, int_fast16_t nSyntaxVersion);
+
+    /** read a component from text
+     */
+    ErrCode
+    ReadThroughComponentMS(std::u16string_view aText,
+                           const css::uno::Reference<css::lang::XComponent>& xModelComponent,
+                           css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                           css::uno::Reference<css::beans::XPropertySet> const& rPropSet);
+};
+
+class SmMLImport final : public SvXMLImport
+{
+private:
+    SmMlElement* m_pElementTree = new SmMlElement(SmMlElementType::NMlEmpty);
+    bool m_bSuccess;
+    size_t m_nSmSyntaxVersion;
+
+public:
+    /** Gets parsed element tree
+    */
+    SmMlElement* getElementTree() { return m_pElementTree; }
+
+    /** Checks out if parse was a success
+     */
+    bool getSuccess() const { return m_bSuccess; }
+
+public:
+    /** Handles an error on the mathml structure
+     */
+    void declareMlError();
+
+public:
+    /** Constructor
+    */
+    SmMLImport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
+               OUString const& implementationName, SvXMLImportFlags nImportFlags);
+
+    /** Destructor
+    */
+    virtual ~SmMLImport() noexcept override { cleanup(); };
+
+public:
+    // XUnoTunnel
+    sal_Int64 SAL_CALL getSomething(const css::uno::Sequence<sal_Int8>& rId) override;
+    static const css::uno::Sequence<sal_Int8>& getUnoTunnelId() noexcept;
+
+    /** End the document
+    */
+    void SAL_CALL endDocument() override;
+
+    /** Create a fast context
+    */
+    SvXMLImportContext* CreateFastContext(
+        sal_Int32 nElement,
+        const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList) override;
+
+    /** Imports view settings formula
+    */
+    virtual void
+    SetViewSettings(const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
+
+    /** Imports configurations settings formula
+    */
+    virtual void SetConfigurationSettings(
+        const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
+
+    /** Set syntax version
+    */
+    void SetSmSyntaxVersion(sal_uInt16 nSmSyntaxVersion) { m_nSmSyntaxVersion = nSmSyntaxVersion; }
+
+    /** Get syntax version
+    */
+    sal_uInt16 GetSmSyntaxVersion() const { return m_nSmSyntaxVersion; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/inc/mathml/iterator.hxx b/starmath/inc/mathml/iterator.hxx
new file mode 100644
index 000000000..559829ce8
--- /dev/null
+++ b/starmath/inc/mathml/iterator.hxx
@@ -0,0 +1,125 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "element.hxx"
+
+/** The purpose of this iterator is to be able to iterate threw an infinite element tree
+  * infinite -> as much as your memory can hold
+  * No call-backs that will end up in out of stack
+  */
+
+namespace mathml
+{
+template <typename runType>
+void SmMlIteratorBottomToTop(SmMlElement* pMlElementTree, runType aRunType, void* aData)
+{
+    if (pMlElementTree == nullptr)
+        return;
+
+    SmMlElement* pCurrent;
+
+    // Fetch the deepest element
+    pCurrent = pMlElementTree;
+    while (pCurrent->getSubElementsCount() != 0)
+    {
+        if (pCurrent->getSubElement(0) == nullptr)
+            break;
+        pCurrent = pCurrent->getSubElement(0);
+    }
+
+    do
+    {
+        // Fetch next element
+        size_t nId = pCurrent->getSubElementId();
+        // We are back to the top.
+        if (pCurrent->getParentElement() == nullptr)
+            break;
+        // If this was the last, then turn back to the parent
+        if (nId + 1 == pCurrent->getParentElement()->getSubElementsCount())
+            pCurrent = pCurrent->getParentElement();
+        else // If not, next is the one near it
+        {
+            // It could have sub elements
+            if (pCurrent->getParentElement()->getSubElement(nId + 1) == nullptr)
+                break;
+            pCurrent = pCurrent->getParentElement()->getSubElement(nId + 1);
+            // Fetch the deepest element
+            while (pCurrent->getSubElementsCount() != 0)
+            {
+                if (pCurrent->getSubElement(0) == nullptr)
+                    break;
+                pCurrent = pCurrent->getSubElement(0);
+            }
+        }
+
+        // Just in case of, but should be forbidden
+        if (pCurrent != nullptr)
+            aRunType(pCurrent, aData);
+
+    } while (pCurrent != nullptr);
+}
+
+template <typename runType>
+void SmMlIteratorTopToBottom(SmMlElement* pMlElementTree, runType aRunType, void* aData)
+{
+    if (pMlElementTree == nullptr)
+        return;
+
+    SmMlElement* pCurrent;
+
+    // Fetch the deepest element
+    pCurrent = pMlElementTree;
+    aRunType(pCurrent, aData);
+    while (pCurrent->getSubElementsCount() != 0)
+    {
+        if (pCurrent->getSubElement(0) == nullptr)
+            break;
+        pCurrent = pCurrent->getSubElement(0);
+        aRunType(pCurrent, aData);
+    }
+
+    do
+    {
+        // Fetch next element
+        size_t nId = pCurrent->getSubElementId();
+        // We are back to the top.
+        if (pCurrent->getParentElement() == nullptr)
+            break;
+        // If this was the last, then turn back to the parent
+        if (nId + 1 == pCurrent->getParentElement()->getSubElementsCount())
+            pCurrent = pCurrent->getParentElement();
+        else // If not, next is the one near it
+        {
+            // It could have sub elements
+            if (pCurrent->getParentElement()->getSubElement(nId + 1) == nullptr)
+                break;
+            pCurrent = pCurrent->getParentElement()->getSubElement(nId + 1);
+            aRunType(pCurrent, aData);
+            // Fetch the deepest element
+            while (pCurrent->getSubElementsCount() != 0)
+            {
+                if (pCurrent->getSubElement(0) == nullptr)
+                    break;
+                pCurrent = pCurrent->getSubElement(0);
+                aRunType(pCurrent, aData);
+            }
+        }
+
+    } while (pCurrent != nullptr);
+}
+
+void SmMlIteratorFree(SmMlElement* pMlElementTree);
+
+SmMlElement* SmMlIteratorCopy(SmMlElement* pMlElementTree);
+
+} // end namespace mathml
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/inc/mathml/mathmlMo.hxx b/starmath/inc/mathml/mathmlMo.hxx
new file mode 100644
index 000000000..10a8b0001
--- /dev/null
+++ b/starmath/inc/mathml/mathmlMo.hxx
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+/*
+ Warning: The SvXMLElementExport helper class creates the beginning and
+ closing tags of xml elements in its constructor and destructor, so there's
+ hidden stuff going on, on occasion the ordering of these classes declarations
+ may be significant
+*/
+
+#pragma once
+
+#include <sal/types.h>
+#include <rtl/ustring.hxx>
+#include <vector>
+
+// https://www.w3.org/TR/MathML3/appendixc.html
+
+enum class moOpDP : sal_uInt16
+{ // moOperatorDataProperty
+    nonedp = 0x0000,
+    accent = 0x0001,
+    fence = 0x0002,
+    stretchy = 0x0004,
+    symmetric = 0x0008,
+    separator = 0x0010,
+    linebreakstyleAfter = 0x0020,
+    largeop = 0x0080,
+    movablelimits = 0x0100,
+    starmathCustom = 0x0200,
+    starmathCustomMo = 0x0400,
+    stretchyfence = 0x0006,
+    movablelargeop = 0x0180
+};
+
+enum class moOpDF : sal_uInt16
+{ // moOperatorDataForm
+    nonedf = 0x0000,
+    prefix = 0x0001,
+    infix = 0x0002,
+    postfix = 0x0004,
+    prepostfix = 0x0005
+};
+
+struct moOperatorData
+{
+    OUString m_motxt;
+    moOpDF m_form;
+    sal_uInt16 m_priority;
+    sal_uInt16 m_lspace;
+    sal_uInt16 m_rspace;
+    moOpDP m_properties;
+
+    moOperatorData(OUString motxt, moOpDF form, sal_uInt16 priority, sal_uInt16 lspace,
+                   sal_uInt16 rspace, moOpDP properties)
+        : m_motxt(motxt)
+        , m_form(form)
+        , m_priority(priority)
+        , m_lspace(lspace)
+        , m_rspace(rspace)
+        , m_properties(properties)
+    {
+    }
+};
+
+inline moOpDF operator|(moOpDF a, moOpDF b)
+{
+    return static_cast<moOpDF>(static_cast<sal_uInt16>(a) | static_cast<sal_uInt16>(b));
+}
+
+inline moOpDF operator&(moOpDF a, moOpDF b)
+{
+    return static_cast<moOpDF>(static_cast<sal_uInt16>(a) & static_cast<sal_uInt16>(b));
+}
+
+inline moOpDP operator|(moOpDP a, moOpDP b)
+{
+    return static_cast<moOpDP>(static_cast<sal_uInt16>(a) | static_cast<sal_uInt16>(b));
+}
+
+inline moOpDP operator&(moOpDP a, moOpDP b)
+{
+    return static_cast<moOpDP>(static_cast<sal_uInt16>(a) & static_cast<sal_uInt16>(b));
+}
+
+namespace starmathdatabase
+{
+constexpr size_t MATHML_MO_COUNT = 1100;
+
+extern std::vector<moOperatorData> moOperatorDataDictionary;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/inc/mathml/mathmlattr.hxx b/starmath/inc/mathml/mathmlattr.hxx
new file mode 100644
index 000000000..b7d1160bb
--- /dev/null
+++ b/starmath/inc/mathml/mathmlattr.hxx
@@ -0,0 +1,79 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <string_view>
+
+#include <rtl/ustring.hxx>
+#include <tools/fract.hxx>
+
+// MathML 3: 2.1.5.1 Syntax notation used in the MathML specification
+// <https://www.w3.org/TR/MathML/chapter2.html#id.2.1.5.1>
+// MathML 2: 2.4.4.2 Attributes with units
+// <https://www.w3.org/TR/MathML2/chapter2.html#fund.attval>
+// MathML 3: 2.1.5.2 Length Valued Attributes
+// <https://www.w3.org/TR/MathML/chapter2.html#fund.units>
+
+enum class MathMLLengthUnit
+{
+    None,
+    Em,
+    Ex,
+    Px,
+    In,
+    Cm,
+    Mm,
+    Pt,
+    Pc,
+    Percent
+};
+
+struct MathMLAttributeLengthValue
+{
+    Fraction aNumber;
+    MathMLLengthUnit eUnit;
+    MathMLAttributeLengthValue()
+        : eUnit(MathMLLengthUnit::None)
+    {
+    }
+};
+
+bool ParseMathMLAttributeLengthValue(std::u16string_view rStr, MathMLAttributeLengthValue& rV);
+
+// MathML 3: 3.2.2 Mathematics style attributes common to token elements
+// <https://www.w3.org/TR/MathML3/chapter3.html#presm.commatt>
+
+enum class MathMLMathvariantValue
+{
+    Normal,
+    Bold,
+    Italic,
+    BoldItalic,
+    DoubleStruck,
+    BoldFraktur,
+    Script,
+    BoldScript,
+    Fraktur,
+    SansSerif,
+    BoldSansSerif,
+    SansSerifItalic,
+    SansSerifBoldItalic,
+    Monospace,
+    Initial,
+    Tailed,
+    Looped,
+    Stretched
+};
+
+bool GetMathMLMathvariantValue(const OUString& rStr, MathMLMathvariantValue& rV);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/starmath/inc/mathml/mathmlexport.hxx b/starmath/inc/mathml/mathmlexport.hxx
new file mode 100644
index 000000000..b7c054440
--- /dev/null
+++ b/starmath/inc/mathml/mathmlexport.hxx
@@ -0,0 +1,128 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <xmloff/xmlexp.hxx>
+#include <xmloff/xmltoken.hxx>
+
+class SfxMedium;
+class SmNode;
+class SmVerticalBraceNode;
+namespace com::sun::star
+{
+namespace io
+{
+class XOutputStream;
+}
+namespace beans
+{
+class XPropertySet;
+}
+}
+
+class SmXMLExportWrapper
+{
+    css::uno::Reference<css::frame::XModel> xModel;
+    bool bFlat; //set true for export to flat .mml, set false for
+        //export to a .sxm (or whatever) package
+
+private:
+    // Use customized entities
+    bool m_bUseHTMLMLEntities;
+
+public:
+    explicit SmXMLExportWrapper(css::uno::Reference<css::frame::XModel> const& rRef)
+        : xModel(rRef)
+        , bFlat(true)
+        , m_bUseHTMLMLEntities(false)
+    {
+    }
+
+    bool Export(SfxMedium& rMedium);
+    void SetFlat(bool bIn) { bFlat = bIn; }
+
+    bool IsUseHTMLMLEntities() const { return m_bUseHTMLMLEntities; }
+    void SetUseHTMLMLEntities(bool bUseHTMLMLEntities)
+    {
+        m_bUseHTMLMLEntities = bUseHTMLMLEntities;
+    }
+
+    bool WriteThroughComponent(const css::uno::Reference<css::io::XOutputStream>& xOutputStream,
+                               const css::uno::Reference<css::lang::XComponent>& xComponent,
+                               css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                               css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
+                               const char* pComponentName);
+
+    bool WriteThroughComponent(const css::uno::Reference<css::embed::XStorage>& xStor,
+                               const css::uno::Reference<css::lang::XComponent>& xComponent,
+                               const char* pStreamName,
+                               css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                               css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
+                               const char* pComponentName);
+};
+
+class SmXMLExport final : public SvXMLExport
+{
+    const SmNode* pTree;
+    OUString aText;
+    bool bSuccess;
+
+    void ExportNodes(const SmNode* pNode, int nLevel);
+    void ExportTable(const SmNode* pNode, int nLevel);
+    void ExportLine(const SmNode* pNode, int nLevel);
+    void ExportExpression(const SmNode* pNode, int nLevel, bool bNoMrowContainer = false);
+    void ExportText(const SmNode* pNode);
+    void ExportMath(const SmNode* pNode);
+    void ExportBinaryHorizontal(const SmNode* pNode, int nLevel);
+    void ExportUnaryHorizontal(const SmNode* pNode, int nLevel);
+    void ExportBrace(const SmNode* pNode, int nLevel);
+    void ExportBinaryVertical(const SmNode* pNode, int nLevel);
+    void ExportBinaryDiagonal(const SmNode* pNode, int nLevel);
+    void ExportSubSupScript(const SmNode* pNode, int nLevel);
+    void ExportRoot(const SmNode* pNode, int nLevel);
+    void ExportOperator(const SmNode* pNode, int nLevel);
+    void ExportAttributes(const SmNode* pNode, int nLevel);
+    void ExportFont(const SmNode* pNode, int nLevel);
+    void ExportVerticalBrace(const SmVerticalBraceNode* pNode, int nLevel);
+    void ExportMatrix(const SmNode* pNode, int nLevel);
+    void ExportBlank(const SmNode* pNode);
+
+public:
+    SmXMLExport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
+                OUString const& implementationName, SvXMLExportFlags nExportFlags);
+
+    // XUnoTunnel
+    sal_Int64 SAL_CALL getSomething(const css::uno::Sequence<sal_Int8>& rId) override;
+    static const css::uno::Sequence<sal_Int8>& getUnoTunnelId() noexcept;
+
+    void ExportAutoStyles_() override {}
+    void ExportMasterStyles_() override {}
+    void ExportContent_() override;
+    ErrCode exportDoc(enum ::xmloff::token::XMLTokenEnum eClass
+                      = ::xmloff::token::XML_TOKEN_INVALID) override;
+
+    virtual void GetViewSettings(css::uno::Sequence<css::beans::PropertyValue>& aProps) override;
+    virtual void
+    GetConfigurationSettings(css::uno::Sequence<css::beans::PropertyValue>& aProps) override;
+
+    bool GetSuccess() const { return bSuccess; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/inc/mathml/mathmlimport.hxx b/starmath/inc/mathml/mathmlimport.hxx
new file mode 100644
index 000000000..0a963a1b0
--- /dev/null
+++ b/starmath/inc/mathml/mathmlimport.hxx
@@ -0,0 +1,114 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <xmloff/xmlimp.hxx>
+#include <vcl/errcode.hxx>
+
+#include <deque>
+
+class SmNode;
+class SfxMedium;
+namespace com::sun::star
+{
+namespace beans
+{
+class XPropertySet;
+}
+}
+
+typedef std::deque<std::unique_ptr<SmNode>> SmNodeStack;
+
+class SmXMLImportWrapper
+{
+    css::uno::Reference<css::frame::XModel> xModel;
+
+private:
+    // Use customized entities
+    bool m_bUseHTMLMLEntities;
+
+public:
+    explicit SmXMLImportWrapper(css::uno::Reference<css::frame::XModel> const& rRef)
+        : xModel(rRef)
+        , m_bUseHTMLMLEntities(false)
+    {
+    }
+
+    ErrCode Import(SfxMedium& rMedium);
+    void useHTMLMLEntities(bool bUseHTMLMLEntities) { m_bUseHTMLMLEntities = bUseHTMLMLEntities; }
+
+    static ErrCode
+    ReadThroughComponent(const css::uno::Reference<css::io::XInputStream>& xInputStream,
+                         const css::uno::Reference<css::lang::XComponent>& xModelComponent,
+                         css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                         css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
+                         const char* pFilterName, bool bEncrypted, bool bUseHTMLMLEntities);
+
+    static ErrCode
+    ReadThroughComponent(const css::uno::Reference<css::embed::XStorage>& xStorage,
+                         const css::uno::Reference<css::lang::XComponent>& xModelComponent,
+                         const char* pStreamName,
+                         css::uno::Reference<css::uno::XComponentContext> const& rxContext,
+                         css::uno::Reference<css::beans::XPropertySet> const& rPropSet,
+                         const char* pFilterName, bool bUseHTMLMLEntities);
+};
+
+class SmXMLImport final : public SvXMLImport
+{
+    SmNodeStack aNodeStack;
+    bool bSuccess;
+    int nParseDepth;
+    OUString aText;
+    sal_uInt16 mnSmSyntaxVersion;
+
+public:
+    SmXMLImport(const css::uno::Reference<css::uno::XComponentContext>& rContext,
+                OUString const& implementationName, SvXMLImportFlags nImportFlags);
+    virtual ~SmXMLImport() noexcept override;
+
+    // XUnoTunnel
+    sal_Int64 SAL_CALL getSomething(const css::uno::Sequence<sal_Int8>& rId) override;
+    static const css::uno::Sequence<sal_Int8>& getUnoTunnelId() noexcept;
+
+    void SAL_CALL endDocument() override;
+
+    SvXMLImportContext* CreateFastContext(
+        sal_Int32 nElement,
+        const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList) override;
+
+    SmNodeStack& GetNodeStack() { return aNodeStack; }
+
+    bool GetSuccess() const { return bSuccess; }
+    [[nodiscard]] const OUString& GetText() const { return aText; }
+    void SetText(const OUString& rStr) { aText = rStr; }
+
+    virtual void
+    SetViewSettings(const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
+    virtual void SetConfigurationSettings(
+        const css::uno::Sequence<css::beans::PropertyValue>& aViewProps) override;
+
+    void IncParseDepth() { ++nParseDepth; }
+    bool TooDeep() const { return nParseDepth >= 2048; }
+    void DecParseDepth() { --nParseDepth; }
+    void SetSmSyntaxVersion(sal_uInt16 nSmSyntaxVersion) { mnSmSyntaxVersion = nSmSyntaxVersion; }
+    sal_uInt16 GetSmSyntaxVersion() const { return mnSmSyntaxVersion; }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/inc/mathml/starmathdatabase.hxx b/starmath/inc/mathml/starmathdatabase.hxx
new file mode 100644
index 000000000..b4d3d6d3f
--- /dev/null
+++ b/starmath/inc/mathml/starmathdatabase.hxx
@@ -0,0 +1,332 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <token.hxx>
+
+// Starmath color types
+// In order to add them to starmath, edit the SmColorTokenTableEntry lists on
+// /core/starmath/source/starmathdatabase.css .
+
+// HTML
+// https://developer.mozilla.org/en-US/docs/Web/CSS/color_value#Color_Keywords
+/* CSS Level 1 */
+constexpr Color COL_SM_BLACK(0x000000);
+constexpr Color COL_SM_SILVER(0xC0C0C0);
+constexpr Color COL_SM_GRAY(0x808080);
+constexpr Color COL_SM_WHITE(0xFFFFFF);
+constexpr Color COL_SM_MAROON(0x800000);
+constexpr Color COL_SM_RED(0xFF0000);
+constexpr Color COL_SM_PURPLE(0x800080);
+constexpr Color COL_SM_FUCHSIA(0xFF00FF);
+constexpr Color COL_SM_GREEN(0x008000);
+constexpr Color COL_SM_LIME(0x00FF00);
+constexpr Color COL_SM_OLIVE(0x808000);
+constexpr Color COL_SM_YELLOW(0xFFFF00);
+constexpr Color COL_SM_NAVY(0x000080);
+constexpr Color COL_SM_BLUE(0x0000FF);
+constexpr Color COL_SM_TEAL(0x008080);
+constexpr Color COL_SM_AQUA(0x00FFFF);
+/* CSS Level 2 */
+constexpr Color COL_SM_ORANGE(0xFFA500);
+/* CSS Level 3 */
+constexpr Color COL_SM_ALICEBLUE(0xF0F8FF);
+constexpr Color COL_SM_ANTIQUEWHITE(0xFAEBD7);
+constexpr Color COL_SM_AQUAMARINE(0x7FFFD4);
+constexpr Color COL_SM_AZURE(0xF0FFFF);
+constexpr Color COL_SM_BEIGE(0xF5F5DC);
+constexpr Color COL_SM_BISQUE(0xFFE4C4);
+constexpr Color COL_SM_BLANCHEDALMOND(0xFFEBCD);
+constexpr Color COL_SM_BLUEVIOLET(0x8A2BE2);
+constexpr Color COL_SM_BROWN(0xA52A2A);
+constexpr Color COL_SM_BURLYWOOD(0xDEB887);
+constexpr Color COL_SM_CADETBLUE(0x5F9EA0);
+constexpr Color COL_SM_CHARTREUSE(0x7FFF00);
+constexpr Color COL_SM_CHOCOLATE(0xD2691E);
+constexpr Color COL_SM_CORAL(0xFF7F50);
+constexpr Color COL_SM_CORNFLOWERBLUE(0x6495ED);
+constexpr Color COL_SM_CORNSILK(0xFFF8DC);
+constexpr Color COL_SM_CRIMSON(0xDC143C);
+constexpr Color COL_SM_CYAN(0x00FFFF);
+constexpr Color COL_SM_DARKBLUE(0x00008B);
+constexpr Color COL_SM_DARKCYAN(0x008B8B);
+constexpr Color COL_SM_DARKGOLDENROD(0xB8860B);
+constexpr Color COL_SM_DARKGRAY(0xA9A9A9);
+constexpr Color COL_SM_DARKGREEN(0x006400);
+constexpr Color COL_SM_DARKGREY(0xA9A9A9);
+constexpr Color COL_SM_DARKKHAKI(0xBDB76B);
+constexpr Color COL_SM_DARKMAGENTA(0x8B008B);
+constexpr Color COL_SM_DARKOLIVEGREEN(0x556B2F);
+constexpr Color COL_SM_DARKORANGE(0xFF8C00);
+constexpr Color COL_SM_DARKORCHID(0x9932CC);
+constexpr Color COL_SM_DARKRED(0x8B0000);
+constexpr Color COL_SM_DARKSALMON(0xE9967A);
+constexpr Color COL_SM_DARKSEAGREEN(0x8FBC8F);
+constexpr Color COL_SM_DARKSLATEBLUE(0x483D8B);
+constexpr Color COL_SM_DARKSLATEGRAY(0x2F4F4F);
+constexpr Color COL_SM_DARKSLATEGREY(0x2F4F4F);
+constexpr Color COL_SM_DARKTURQUOISE(0x00CED1);
+constexpr Color COL_SM_DARKVIOLET(0x9400D3);
+constexpr Color COL_SM_DEEPPINK(0xFF1493);
+constexpr Color COL_SM_DEEPSKYBLUE(0x00BFFF);
+constexpr Color COL_SM_DIMGRAY(0x696969);
+constexpr Color COL_SM_DIMGREY(0x696969);
+constexpr Color COL_SM_DODGERBLUE(0x1E90FF);
+constexpr Color COL_SM_FIREBRICK(0xB22222);
+constexpr Color COL_SM_FLORALWHITE(0xFFFAF0);
+constexpr Color COL_SM_FORESTGREEN(0x228B22);
+constexpr Color COL_SM_GAINSBORO(0xDCDCDC);
+constexpr Color COL_SM_GHOSTWHITE(0xF8F8FF);
+constexpr Color COL_SM_GOLD(0xFFD700);
+constexpr Color COL_SM_GOLDENROD(0xDAA520);
+constexpr Color COL_SM_GREENYELLOW(0xADFF2F);
+constexpr Color COL_SM_GREY(0x808080);
+constexpr Color COL_SM_HONEYDEW(0xF0FFF0);
+constexpr Color COL_SM_HOTPINK(0xFF69B4);
+constexpr Color COL_SM_INDIANRED(0xCD5C5C);
+constexpr Color COL_SM_INDIGO(0x4B0082);
+constexpr Color COL_SM_IVORY(0xFFFFF0);
+constexpr Color COL_SM_KHAKI(0xF0E68C);
+constexpr Color COL_SM_LAVENDER(0xE6E6FA);
+constexpr Color COL_SM_LAVENDERBLUSH(0xFFF0F5);
+constexpr Color COL_SM_LAWNGREEN(0x7CFC00);
+constexpr Color COL_SM_LEMONCHIFFON(0xFFFACD);
+constexpr Color COL_SM_LIGHTBLUE(0xADD8E6);
+constexpr Color COL_SM_LIGHTCORAL(0xF08080);
+constexpr Color COL_SM_LIGHTCYAN(0xE0FFFF);
+constexpr Color COL_SM_LIGHTGOLDENRODYELLOW(0xFAFAD2);
+constexpr Color COL_SM_LIGHTGRAY(0xD3D3D3);
+constexpr Color COL_SM_LIGHTGREEN(0x90EE90);
+constexpr Color COL_SM_LIGHTGREY(0xD3D3D3);
+constexpr Color COL_SM_LIGHTPINK(0xFFB6C1);
+constexpr Color COL_SM_LIGHTSALMON(0xFFA07A);
+constexpr Color COL_SM_LIGHTSEAGREEN(0x20B2AA);
+constexpr Color COL_SM_LIGHTSKYBLUE(0x87CEFA);
+constexpr Color COL_SM_LIGHTSLATEGRAY(0x778899);
+constexpr Color COL_SM_LIGHTSLATEGREY(0x778899);
+constexpr Color COL_SM_LIGHTSTEELBLUE(0xB0C4DE);
+constexpr Color COL_SM_LIGHTYELLOW(0xFFFFE0);
+constexpr Color COL_SM_LIMEGREEN(0x32CD32);
+constexpr Color COL_SM_LINEN(0xFAF0E6);
+constexpr Color COL_SM_MAGENTA(0xFF00FF);
+constexpr Color COL_SM_MEDIUMAQUAMARINE(0x66CDAA);
+constexpr Color COL_SM_MEDIUMBLUE(0x0000CD);
+constexpr Color COL_SM_MEDIUMORCHID(0xBA55D3);
+constexpr Color COL_SM_MEDIUMPURPLE(0x9370DB);
+constexpr Color COL_SM_MEDIUMSEAGREEN(0x3CB371);
+constexpr Color COL_SM_MEDIUMSLATEBLUE(0x7B68EE);
+constexpr Color COL_SM_MEDIUMSPRINGGREEN(0x00FA9A);
+constexpr Color COL_SM_MEDIUMTURQUOISE(0x48D1CC);
+constexpr Color COL_SM_MEDIUMVIOLETRED(0xC71585);
+constexpr Color COL_SM_MIDNIGHTBLUE(0x191970);
+constexpr Color COL_SM_MINTCREAM(0xF5FFFA);
+constexpr Color COL_SM_MISTYROSE(0xFFE4E1);
+constexpr Color COL_SM_MOCCASIN(0xFFE4B5);
+constexpr Color COL_SM_NAVAJOWHITE(0xFFDEAD);
+constexpr Color COL_SM_OLDLACE(0xFDF5E6);
+constexpr Color COL_SM_OLIVEDRAB(0x6B8E23);
+constexpr Color COL_SM_ORANGERED(0xFF4500);
+constexpr Color COL_SM_ORCHID(0xDA70D6);
+constexpr Color COL_SM_PALEGOLDENROD(0xEEE8AA);
+constexpr Color COL_SM_PALEGREEN(0x98FB98);
+constexpr Color COL_SM_PALETURQUOISE(0xAFEEEE);
+constexpr Color COL_SM_PALEVIOLETRED(0xDB7093);
+constexpr Color COL_SM_PAPAYAWHIP(0xFFEFD5);
+constexpr Color COL_SM_PEACHPUFF(0xFFDAB9);
+constexpr Color COL_SM_PERU(0xCD853F);
+constexpr Color COL_SM_PINK(0xFFC0CB);
+constexpr Color COL_SM_PLUM(0xDDA0DD);
+constexpr Color COL_SM_POWDERBLUE(0xB0E0E6);
+constexpr Color COL_SM_ROSYBROWN(0xBC8F8F);
+constexpr Color COL_SM_ROYALBLUE(0x4169E1);
+constexpr Color COL_SM_SADDLEBROWN(0x8B4513);
+constexpr Color COL_SM_SALMON(0xFA8072);
+constexpr Color COL_SM_SANDYBROWN(0xF4A460);
+constexpr Color COL_SM_SEAGREEN(0x2E8B57);
+constexpr Color COL_SM_SEASHELL(0xFFF5EE);
+constexpr Color COL_SM_SIENNA(0xA0522D);
+constexpr Color COL_SM_SKYBLUE(0x87CEEB);
+constexpr Color COL_SM_SLATEBLUE(0x6A5ACD);
+constexpr Color COL_SM_SLATEGRAY(0x708090);
+constexpr Color COL_SM_SLATEGREY(0x708090);
+constexpr Color COL_SM_SNOW(0xFFFAFA);
+constexpr Color COL_SM_SPRINGGREEN(0x00FF7F);
+constexpr Color COL_SM_STEELBLUE(0x4682B4);
+constexpr Color COL_SM_TAN(0xD2B48C);
+constexpr Color COL_SM_THISTLE(0xD8BFD8);
+constexpr Color COL_SM_TOMATO(0xFF6347);
+constexpr Color COL_SM_TURQUOISE(0x40E0D0);
+constexpr Color COL_SM_VIOLET(0xEE82EE);
+constexpr Color COL_SM_WHEAT(0xF5DEB3);
+constexpr Color COL_SM_WHITESMOKE(0xF5F5F5);
+constexpr Color COL_SM_YELLOWGREEN(0x9ACD32);
+/* CSS Level 4 */
+constexpr Color COL_SM_REBECCAPURPLE(0x663399);
+/* dvipsnames */
+// For now only five colors.
+// In a future all of them.
+// https://www.overleaf.com/learn/latex/Using_colours_in_LaTeX
+constexpr Color COL_SM_DIV_APRICOT(0xFFB781);
+constexpr Color COL_SM_DIV_AQUAMARINE(0x1BBEC1);
+constexpr Color COL_SM_DIV_BITTERSWEET(0xCF4B16);
+constexpr Color COL_SM_DIV_BLACK(0xCF4B16);
+constexpr Color COL_SM_DIV_BLUE(0x102694);
+/* Iconic colors */
+// https://design.ubuntu.com/brand/colour-palette/
+constexpr Color COL_SM_UBUNTU_ORANGE(0xE95420);
+// https://www.debian.org/logos/   Picked from SVG logo
+constexpr Color COL_SM_DEBIAN_MAGENTA(0xA80030);
+// https://libreoffice.org/
+constexpr Color COL_SM_LO_GREEN(0x00A500);
+
+namespace starmathdatabase
+{
+// Variables containing color information.
+extern const SmColorTokenTableEntry aColorTokenTableParse[159];
+extern const SmColorTokenTableEntry aColorTokenTableHTML[148];
+extern const SmColorTokenTableEntry aColorTokenTableMATHML[16];
+extern const SmColorTokenTableEntry aColorTokenTableDVIPS[5];
+extern const SmColorTokenTableEntry aColorTokenTableERROR[1];
+
+/**
+  * Identifies operator chars tokens for importing mathml.
+  * Identifies from char cChar
+  *
+  * While loading MO or MI elements might find an unicode16 symbol.
+  * This code allows to generate appropriate token for them.
+  *
+  * @param cChar
+  * @return closing fences' token
+  */
+SmToken Identify_SmXMLOperatorContext_Impl(sal_Unicode cChar, bool bIsStretchy = true);
+
+/**
+  * Identifies opening / closing brace tokens for importing mathml.
+  * Identifies from char cChar
+  *
+  * While loading MO fenced elements might find braces symbols.
+  * This code allows to generate appropriate token for them.
+  *
+  * @param cChar
+  * @return closing fences' token
+  */
+SmToken Identify_PrefixPostfix_SmXMLOperatorContext_Impl(sal_Unicode cChar);
+
+/**
+  * Identifies opening brace tokens for importing mathml.
+  * Identifies from char cChar
+  *
+  * While loading MO elements ( with prefix value for form attribute ) might find braces symbols.
+  * This code allows to generate appropriate token for them.
+  *
+  * @param cChar
+  * @return closing fences' token
+  */
+SmToken Identify_Prefix_SmXMLOperatorContext_Impl(sal_Unicode cChar);
+
+/**
+  * Identifies closing brace tokens for importing mathml.
+  * Identifies from char cChar
+  *
+  * While loading MO elements ( with postfix value for form attribute ) might find braces symbols.
+  * This code allows to generate appropriate token for them.
+  *
+  * @param cChar
+  * @return closing fences' token
+  */
+SmToken Identify_Postfix_SmXMLOperatorContext_Impl(sal_Unicode cChar);
+
+/**
+  * Identifies color from color code cColor.
+  * It will be returned with the parser syntax.
+  *
+  * For a given color returns the way it would be in the parser.
+  * Used for nodes to text visitors.
+  *
+  * @param cColor
+  * @param parser color
+  */
+SmColorTokenTableEntry Identify_Color_Parser(sal_uInt32 cColor);
+
+/**
+  * Identifies color from color code cColor.
+  * It will be returned with the HTML syntax.
+  * @param cColor
+  * @param parser color
+  */
+SmColorTokenTableEntry Identify_Color_HTML(sal_uInt32 cColor);
+
+/**
+  * Identifies color from color code cColor.
+  * It will be returned with the MATHML syntax.
+  *
+  * This is used to export mathml.
+  * Identifies the color and allows it to export it in proper mathml code.
+  *
+  * @param cColor
+  * @param parser color
+  */
+SmColorTokenTableEntry Identify_Color_MATHML(sal_uInt32 cColor);
+
+/**
+  * Identifies color from color code cColor.
+  * It will be returned with the dvipsnames syntax.
+  * @param cColor
+  * @param parser color
+  */
+SmColorTokenTableEntry Identify_Color_DVIPSNAMES(sal_uInt32 cColor);
+
+/**
+  * Identifies color from color name.
+  * It will be returned with the parser syntax.
+  *
+  * This finds color values for the color names loaded by the parser.
+  *
+  * @param cColor
+  * @param parser color
+  */
+const SmColorTokenTableEntry* Identify_ColorName_Parser(std::u16string_view colorname);
+
+/**
+  * Identifies color from color name.
+  * It will be returned with the HTML syntax.
+  *
+  * This finds color values for the color names loaded by mathmlimport.
+  * In theory mathml only supports HTML4 colors, but most browsers support all HTML5 colors.
+  * That's why there is an high risk of finding them inside mathml and have to give support.
+  *
+  * @param cColor
+  * @param parser color
+  */
+SmColorTokenTableEntry Identify_ColorName_HTML(std::u16string_view colorname);
+
+/**
+  * Identifies color from color name.
+  * It will be returned with the dvipsnames syntax.
+  *
+  * This code has been implemented to add a compatibility layer to import / export latex.
+  *
+  * @param cColor
+  * @param parser color
+  */
+const SmColorTokenTableEntry* Identify_ColorName_DVIPSNAMES(std::u16string_view colorname);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/inc/mathml/xparsmlbase.hxx b/starmath/inc/mathml/xparsmlbase.hxx
new file mode 100644
index 000000000..6c645a55e
--- /dev/null
+++ b/starmath/inc/mathml/xparsmlbase.hxx
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/beans/Pair.hpp>
+namespace starmathdatabase
+{
+/**
+  * w3 documentation has been used for this.
+  * See: https://www.w3.org/2003/entities/2007/htmlmathml-f.ent
+  * Copyright 1998 - 2011 W3C.
+  * We allow the import of HTML5 entities because are compatible with mathml
+  * and ill formatted are expected.
+  * On export only mathml entities are allowed.
+  * Some documentation: https://www.w3.org/TR/MathML3/chapter7.html
+  */
+
+constexpr sal_Int32 STARMATH_MATHMLHTML_ENTITY_NUMBER = 2125;
+
+/**
+  * Entity names for mathml. Example: &infin -> \u221E;
+  * These ones are to be used on import.
+  */
+const extern ::css::uno::Sequence<::css::beans::Pair<::rtl::OUString, ::rtl::OUString>>
+    icustomMathmlHtmlEntities;
+
+/**
+  * Entity names for mathml. Example: "\u221E"; -> &infin;
+  * These ones are to be used on file export.
+  */
+const extern ::css::uno::Sequence<::css::beans::Pair<::rtl::OUString, ::rtl::OUString>>
+    icustomMathmlHtmlEntitiesExport;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */