implement toggle/number/text values

Signed-off-by: Folling <mail@folling.io>

src/values/text_value.cpp

@@ -0,0 +1,26 @@
+#include "ikarus/values/text_value.h"
+
+#include "text_value.hpp"
+
+IkarusTextValue * ikarus_text_value_create(char const * value) {
+    return new IkarusTextValue{value};
+}
+
+IkarusTextValue * ikarus_text_value_create_indeterminate() {
+    auto * ret = new IkarusTextValue{""};
+    ret->set_intermediate(true);
+
+    return ret;
+}
+
+char const * ikarus_text_value_get(IkarusTextValue const * value) {
+    return value->get_value().data();
+}
+
+void ikarus_text_value_set(IkarusTextValue * value, char const * new_value) {
+    value->set_value(new_value);
+}
+
+struct IkarusValue * ikarus_text_value_to_value(IkarusTextValue * text_value) {
+    return static_cast<IkarusValue *>(text_value);
+}