feat: Added support for adding custom providers through C#

plugins/script_loader/source/script_api/v1/mem.cpp

@@ -1,4 +1,5 @@
 #include <script_api.hpp>
+#include <hex/api/content_registry.hpp>
 
 #include <hex/api/imhex_api.hpp>
 #include <hex/providers/provider.hpp>
@@ -41,4 +42,64 @@ SCRIPT_API(bool getSelection, u64 *start, u64 *end) {
     *end = selection->getEndAddress();
 
     return true;
+}
+
+class ScriptDataProvider : public hex::prv::Provider {
+public:
+    using ReadFunction = void(*)(u64, void*, u64);
+    using WriteFunction = void(*)(u64, const void*, u64);
+    using GetSizeFunction = u64(*)();
+    using GetNameFunction = std::string(*)();
+
+    bool open() override { return true; }
+    void close() override { }
+
+    [[nodiscard]] bool isAvailable() const override { return true; }
+    [[nodiscard]] bool isReadable()  const override { return true; }
+    [[nodiscard]] bool isWritable()  const override { return true; }
+    [[nodiscard]] bool isResizable() const override { return true; }
+    [[nodiscard]] bool isSavable()   const override { return true; }
+    [[nodiscard]] bool isDumpable()  const override { return true; }
+
+    void readRaw(u64 offset, void *buffer, size_t size) override {
+        m_readFunction(offset, buffer, size);
+    }
+
+    void writeRaw(u64 offset, const void *buffer, size_t size) override {
+        m_writeFunction(offset, const_cast<void*>(buffer), size);
+    }
+
+    void setFunctions(ReadFunction readFunc, WriteFunction writeFunc, GetSizeFunction getSizeFunc) {
+        m_readFunction    = readFunc;
+        m_writeFunction   = writeFunc;
+        m_getSizeFunction = getSizeFunc;
+    }
+
+    [[nodiscard]] u64 getActualSize() const override { return m_getSizeFunction(); }
+
+    void setTypeName(std::string typeName) { m_typeName = std::move(typeName);}
+    void setName(std::string name) { m_name = std::move(name);}
+    [[nodiscard]] std::string getTypeName() const override { return m_typeName; }
+    [[nodiscard]] std::string getName() const override { return m_name; }
+
+private:
+    ReadFunction m_readFunction = nullptr;
+    WriteFunction m_writeFunction = nullptr;
+    GetSizeFunction m_getSizeFunction = nullptr;
+    GetNameFunction m_getNameFunction = nullptr;
+
+    std::string m_typeName, m_name;
+};
+
+SCRIPT_API(void registerProvider, const char *typeName, const char *name, ScriptDataProvider::ReadFunction readFunc, ScriptDataProvider::WriteFunction writeFunc, ScriptDataProvider::GetSizeFunction getSizeFunc) {
+    auto typeNameString = std::string(typeName);
+    auto nameString = std::string(name);
+    hex::ContentRegistry::Provider::impl::add(typeNameString, [typeNameString, nameString, readFunc, writeFunc, getSizeFunc] -> std::unique_ptr<hex::prv::Provider> {
+        auto provider = std::make_unique<ScriptDataProvider>();
+        provider->setTypeName(typeNameString);
+        provider->setName(nameString);
+        provider->setFunctions(readFunc, writeFunc, getSizeFunc);
+        return provider;
+    });
+    hex::ContentRegistry::Provider::impl::addProviderName(typeNameString);
 }