urho3d/Extras/LuaScript/pkgs/Core/Variant.pkg

$#include "Variant.h"

/// Variant's supported types.
enum VariantType
{
    VAR_NONE = 0,
    VAR_INT,
    VAR_BOOL,
    VAR_FLOAT,
    VAR_VECTOR2,
    VAR_VECTOR3,
    VAR_VECTOR4,
    VAR_QUATERNION,
    VAR_COLOR,
    VAR_STRING,
    VAR_BUFFER,
    VAR_PTR,
    VAR_RESOURCEREF,
    VAR_RESOURCEREFLIST,
    VAR_VARIANTVECTOR,
    VAR_VARIANTMAP,
    VAR_INTRECT,
    VAR_INTVECTOR2,
    MAX_VAR_TYPES
};

/// Typed resource reference.
struct ResourceRef
{
    /// Construct.
    ResourceRef();

    /// Construct with type only and empty id.
    ResourceRef(ShortStringHash type);

    /// Construct with type and id.
    ResourceRef(ShortStringHash type, StringHash id);

    // Construct from another ResourceRef.
    ResourceRef(const ResourceRef& rhs);

    /// Object type.
    ShortStringHash type_ @ type;
    StringHash id_ @ id;

    /// Test for equality with another reference.
    bool operator == (const ResourceRef& rhs) const;
};

/// %List of typed resource references.
struct ResourceRefList
{
    /// Construct.
    ResourceRefList();

    /// Construct with type only.
    ResourceRefList(ShortStringHash type);

    /// Object type.
    ShortStringHash type_ @ type;

    /// Test for equality with another reference list.
    bool operator == (const ResourceRefList& rhs) const;
};

/// Variable that supports a fixed set of types.
class Variant
{
public:
    /// Construct empty.
    Variant();

    /// Construct from integer.
    Variant(int value);

    /// Construct from unsigned integer.
    Variant(unsigned value);

    /// Construct from a string hash (convert to integer).
    Variant(const StringHash& value);

    /// Construct from a short string hash (convert to integer.)
    Variant(const ShortStringHash& value);

    /// Construct from a bool.
    Variant(bool value);

    /// Construct from a float.
    Variant(float value);

    /// Construct from a Vector2.
    Variant(const Vector2& value);

    /// Construct from a Vector3.
    Variant(const Vector3& value);

    /// Construct from a Vector4.
    Variant(const Vector4& value);

    /// Construct from a quaternion.
    Variant(const Quaternion& value);

    /// Construct from a color.
    Variant(const Color& value);

    /// Construct from a string.
    Variant(const String& value);

    /// Construct from a C string.
    Variant(const char* value);

    /// Construct from a pointer.
    Variant(void* value);

    /// Construct from a resource reference.
    Variant(const ResourceRef& value);

    /// Construct from a resource reference list.
    Variant(const ResourceRefList& value);

    /// Construct from an integer rect.
    Variant(const IntRect& value);

    /// Construct from an IntVector2.
    Variant(const IntVector2& value);

    /// Construct from type and value.
    Variant(const String& type, const String& value);

    /// Construct from type and value.
    Variant(VariantType type, const String& value) ;

    /// Construct from type and value.
    Variant(VariantType type, const char* value);

    /// Copy-construct from another variant.
    Variant(const Variant& value);

    /// Destruct.
    ~Variant();

    /// Reset to empty.
    void Clear();

    /// Test for equality with another variant.
    bool operator == (const Variant& rhs) const;
    /// Test for equality with an integer. To return true, both the type and value must match.
    bool operator == (int rhs) const;
    /// Test for equality with an unsigned integer. To return true, both the type and value must match.
    bool operator == (unsigned rhs) const;
    /// Test for equality with a bool. To return true, both the type and value must match.
    bool operator == (bool rhs) const;
    /// Test for equality with a float. To return true, both the type and value must match.
    bool operator == (float rhs) const;
    /// Test for equality with a Vector2. To return true, both the type and value must match.
    bool operator == (const Vector2& rhs);
    /// Test for equality with a Vector3. To return true, both the type and value must match.
    bool operator == (const Vector3& rhs) const;
    /// Test for equality with a Vector4. To return true, both the type and value must match.
    bool operator == (const Vector4& rhs) const;
    /// Test for equality with a quaternion. To return true, both the type and value must match.
    bool operator == (const Quaternion& rhs) const;
    /// Test for equality with a color. To return true, both the type and value must match.
    bool operator == (const Color& rhs) const;
    /// Test for equality with a string. To return true, both the type and value must match.
    bool operator == (const String& rhs) const;
    /// Test for equality with a pointer. To return true, both the type and value must match.
    bool operator == (void* rhs) const;
    /// Test for equality with a resource reference. To return true, both the type and value must match.
    bool operator == (const ResourceRef& rhs) const;
    /// Test for equality with a resource reference list. To return true, both the type and value must match.
    bool operator == (const ResourceRefList& rhs) const;
    /// Test for equality with an integer rect. To return true, both the type and value must match.
    bool operator == (const IntRect& rhs) const;
    /// Test for equality with an IntVector2. To return true, both the type and value must match.
    bool operator == (const IntVector2& rhs) const;
    /// Test for equality with a StringHash. To return true, both the type and value must match.
    bool operator == (const StringHash& rhs) const;
    /// Test for equality with a ShortStringHash. To return true, both the type and value must match.
    bool operator == (const ShortStringHash& rhs) const;

    /// Return int or zero on type mismatch.
    int GetInt() const;
    /// Return unsigned int or zero on type mismatch.
    int GetUInt() const;
    /// Return StringHash or zero on type mismatch.
    StringHash GetStringHash();
    /// Return ShortStringHash or zero on type mismatch.
    ShortStringHash GetShortStringHash();
    /// Return bool or false on type mismatch.
    bool GetBool() const;
    /// Return float or zero on type mismatch.
    float GetFloat() const;
    /// Return Vector2 or zero on type mismatch.
    const Vector2& GetVector2() const;
    /// Return Vector3 or zero on type mismatch.
    const Vector3& GetVector3() const;
    /// Return Vector4 or zero on type mismatch.
    const Vector4& GetVector4() const;
    /// Return quaternion or identity on type mismatch.
    const Quaternion& GetQuaternion() const;
    /// Return color or default on type mismatch.
    const Color& GetColor() const;
    /// Return string or empty on type mismatch.
    const String& GetString() const;
    /// Return pointer or null on type mismatch.
    void* GetPtr() const;
    /// Return a resource reference or empty on type mismatch.
    const ResourceRef& GetResourceRef() const;
    /// Return a resource reference list or empty on type mismatch.
    const ResourceRefList& GetResourceRefList() const;
    /// Return an integer rect or empty on type mismatch.
    const IntRect& GetIntRect() const;
    /// Return an IntVector2 or empty on type mismatch.
    const IntVector2& GetIntVector2() const;

    /// Return value's type.
    VariantType GetType() const;
    /// Return value's type name.
    String GetTypeName() const;
    /// Convert value to string. Pointers are returned as null, and VariantBuffer or VariantMap are not supported and return empty.
    String ToString() const;
    /// Return true when the variant value is considered zero according to its actual type.
    bool IsZero() const;
    /// Return true when the variant is empty (i.e. not initialized yet).
    bool IsEmpty() const;
};

class VariantMap
{
public:
    VariantMap();

    tolua_outside int VariantMapGetInt @ GetInt(const char* key);
    tolua_outside bool VariantMapGetBool @ GetBool(const char* key);
    tolua_outside float VariantMapGetFloat @ GetFloat(const char* key);
    tolua_outside const Vector2& VariantMapGetVector2 @ GetVector2(const char* key);
    tolua_outside const Vector3& VariantMapGetVector3 @ GetVector3(const char* key);
    tolua_outside const Vector4& VariantMapGetVector4 @ GetVector4(const char* key);
    tolua_outside const Quaternion& VariantMapGetQuaternion @ GetQuaternion(const char* key);
    tolua_outside const Color& VariantMapGetColor @ GetColor(const char* key);
    tolua_outside const String& VariantMapGetString @ GetString(const char* key);
    tolua_outside const void* VariantMapGetPtr @ GetPtr(const char* key);
    tolua_outside const ResourceRef& VariantMapGetResourceRef @ GetResourceRef(const char* key);
    tolua_outside const ResourceRefList& VariantMapGetResourceRefList @ GetResourceRefList(const char* key);
    tolua_outside const IntRect& VariantMapGetIntRect @ GetIntRect(const char* key);
    tolua_outside const IntVector2& VariantMapGetIntVector2 @ GetIntVector2(const char* key);

    tolua_outside void VariantMapSetInt @ SetInt(const char* key, int value);
    tolua_outside void VariantMapSetBool @ SetBool(const char* key, bool value);
    tolua_outside void VariantMapSetFloat @ SetFloat(const char* key, float value);
    tolua_outside void VariantMapSetVector2 @ SetVector2(const char* key, const Vector2& value);
    tolua_outside void VariantMapSetVector3 @ SetVector3(const char* key, const Vector3& value);
    tolua_outside void VariantMapSetVector4 @ SetVector4(const char* key, const Vector4& value);
    tolua_outside void VariantMapSetQuaternion @ SetQuaternion(const char* key, const Quaternion& value);
    tolua_outside void VariantMapSetColor @ SetColor(const char* key, const Color& value);
    tolua_outside void VariantMapSetString @ SetString(const char* key, const String& value);
    tolua_outside void VariantMapSetPtr @ SetPtr(const char* key, void* value);
    tolua_outside void VariantMapSetResourceRef @ SetResourceRef(const char* key, const ResourceRef& value);
    tolua_outside void VariantMapSetResourceRefList @ SetResourceRefList(const char* key, const ResourceRefList& value); 
    tolua_outside void VariantMapSetIntRect @ SetIntRect(const char* key, const IntRect& value);
    tolua_outside void VariantMapSetIntVector2 @ SetIntVector2(const char* key, const IntVector2& value);
};

${

const Variant& FindVariant(const VariantMap* vmap, const char* key)
{
    VariantMap::ConstIterator i = vmap->Find(ShortStringHash(key));
    return i != vmap->End() ? i->second_ : Variant::EMPTY;
}

int VariantMapGetInt(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetInt();
}

bool VariantMapGetBool(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetBool();
}

float VariantMapGetFloat(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetFloat();
}

const Vector2& VariantMapGetVector2(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetVector2();
}

const Vector3& VariantMapGetVector3(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetVector3();
}

const Vector4& VariantMapGetVector4(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetVector4();
}

const Quaternion& VariantMapGetQuaternion(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetQuaternion();
}

const Color& VariantMapGetColor(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetColor();
}

const String& VariantMapGetString(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetString();
}

const void* VariantMapGetPtr(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetPtr();
}

const ResourceRef& VariantMapGetResourceRef(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetResourceRef();
}

const ResourceRefList& VariantMapGetResourceRefList(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetResourceRefList();
}

const IntRect& VariantMapGetIntRect(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetIntRect();
}

const IntVector2& VariantMapGetIntVector2(const VariantMap* vmap, const char* key)
{
    return FindVariant(vmap, key).GetIntVector2();
}

void VariantMapSetInt(VariantMap* vmap, const char* key, int value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetBool(VariantMap* vmap, const char* key, bool value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetFloat(VariantMap* vmap, const char* key, float value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetVector2(VariantMap* vmap, const char* key, const Vector2& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetVector3(VariantMap* vmap, const char* key, const Vector3& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetVector4(VariantMap* vmap, const char* key, const Vector4& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetQuaternion(VariantMap* vmap, const char* key, const Quaternion& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetColor(VariantMap* vmap, const char* key, const Color& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetString(VariantMap* vmap, const char* key, const String& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetPtr(VariantMap* vmap, const char* key, void* value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetResourceRef(VariantMap* vmap, const char* key, const ResourceRef& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetResourceRefList(VariantMap* vmap, const char* key, const ResourceRefList& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetIntRect(VariantMap* vmap, const char* key, const IntRect& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

void VariantMapSetIntVector2(VariantMap* vmap, const char* key, const IntVector2& value)
{
    (*vmap)[ShortStringHash(key)] = value;
}

$}