configvalue: add getDataStaticPtr()

include/hyprlang.hpp

@@ -71,7 +71,7 @@ namespace Hyprlang {
         bool throwAllErrors = false;
 
         /*!
-            @since 0.2.0
+            \since 0.2.0
             Don't throw on a missing config file. Carry on as if nothing happened.
         */
         bool allowMissingConfig = false;
@@ -148,10 +148,18 @@ namespace Hyprlang {
         ~CConfigValue();
 
         /*!
-            Return a pointer to the data. Prefer getValue().
+            Return a pointer to the data. Prefer getDataStaticPtr()
         */
         void* dataPtr() const;
 
+        /*!
+            \since 0.2.0
+            Return a static pointer to the m_pData.
+            As long as this configValue is alive, this pointer is valid.
+            CConfigValues are alive as long as the owning CConfig is alive.
+        */
+        void* const* getDataStaticPtr() const;
+
         /*!
             Get the contained value as an std::any.
             For strings, this is a const char*.

src/common.cpp

@@ -62,6 +62,10 @@ void* CConfigValue::dataPtr() const {
     return m_pData;
 }
 
+void* const* CConfigValue::getDataStaticPtr() const {
+    return &m_pData;
+}
+
 CConfigCustomValueType::CConfigCustomValueType(PCONFIGCUSTOMVALUEHANDLERFUNC handler_, PCONFIGCUSTOMVALUEDESTRUCTOR dtor_, const char* def) {
     handler    = handler_;
     dtor       = dtor_;

tests/main.cpp

@@ -140,6 +140,13 @@ int main(int argc, char** argv, char** envp) {
         EXPECT(std::any_cast<int64_t>(config.getConfigValue("testCategory:testColor2")), 0xFF000000L);
         EXPECT(std::any_cast<int64_t>(config.getConfigValue("testCategory:testColor3")), 0x22ffeeffL);
 
+        // test static values
+        std::cout << " → Testing static values\n";
+        static auto* const PTESTINT = config.getConfigValuePtr("testInt")->getDataStaticPtr();
+        EXPECT(*reinterpret_cast<int64_t*>(*PTESTINT), 123);
+        config.parse();
+        EXPECT(*reinterpret_cast<int64_t*>(*PTESTINT), 123);
+
         // test handlers
         std::cout << " → Testing handlers\n";
         EXPECT(barrelRoll, true);