Added Macros.h

Grbl_Esp32/src/Machine/Macros.h

@@ -0,0 +1,54 @@
+#pragma once
+
+/*
+    Part of Grbl_ESP32
+    2021 -  Stefan de Bruijn, Mitch Bradley
+
+    Grbl_ESP32 is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Grbl_ESP32 is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Grbl_ESP32.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "../Configuration/Configurable.h"
+
+namespace Machine {
+    class Macros : public Configuration::Configurable {
+    public:
+        static const int n_startup_lines = 2;
+        static const int n_macros        = 4;
+
+    private:
+        String _startup_line[n_startup_lines];
+        String _macro[n_macros];
+
+    public:
+        Macros() = default;
+
+        String macro(size_t index) { return index < n_macros ? _macro[index] : ""; }
+        String startup_line(size_t index) { return index < n_startup_lines ? _startup_line[index] : ""; }
+
+        // Configuration helpers:
+
+        // TODO: We could validate the startup lines
+
+        void group(Configuration::HandlerBase& handler) override {
+            handler.item("n0", _startup_line[0]);
+            handler.item("n1", _startup_line[1]);
+            handler.item("macro0", _macro[0]);
+            handler.item("macro1", _macro[1]);
+            handler.item("macro2", _macro[2]);
+            handler.item("macro3", _macro[3]);
+        }
+
+        ~Macros() {}
+    };
+}