Add nextion_components.h

components/nspanel_ha_blueprint/nextion_components.h

@@ -0,0 +1,51 @@
+// nextion_components.h
+#pragma once
+
+#include <string>
+
+namespace nspanel_ha_blueprint {
+
+    struct PageComponent {
+        std::string page;
+        std::string component_id;
+        bool is_current_page;
+    };
+
+    /**
+     * Extracts the page name and component ID from a given input string.
+     * Handles a special case where "alarm_control_panel" should be shortened to "alarm".
+     *
+     * @param input The input string containing either the combined page and component ID or just the component ID.
+     * @param defaultPage The default page name to use if the input string does not specify a page.
+     * @return A PageComponent struct containing the extracted or default page name, the component ID, and a flag indicating if it's the current page.
+     */
+    PageComponent extractPageAndComponent(const std::string& input, const std::string& defaultPage) {
+        size_t dotPos = input.find(".");
+        PageComponent result;
+        
+        if (dotPos != std::string::npos) {
+            // Extract page and component_id from the input string
+            result.page = input.substr(0, dotPos);
+            result.component_id = input.substr(dotPos + 1);
+            result.is_current_page = false; // Since there's a dot, it's assumed not to be the current page
+
+            // Check for the special case of "alarm_control_panel"
+            if (result.page == "alarm_control_panel") {
+                result.page = "alarm";
+            }
+        } else {
+            // No dot found, the entire input is considered as component_id
+            result.page = defaultPage;
+            result.component_id = input;
+            result.is_current_page = true; // No specific page mentioned, so it's the current page
+        }
+
+        // Check if the resolved page matches the defaultPage indicating it's the current page
+        if (result.page == defaultPage) {
+            result.is_current_page = true;
+        }
+
+        return result;
+    }
+
+}  // namespace nspanel_ha_blueprint