1 files changed, 86 insertions, 0 deletions
diff --git a/variant.c b/variant.c
new file mode 100644
index 0000000..aefece8
--- /dev/null
+++ b/variant.c
@@ -0,0 +1,86 @@
+/**
+ * Copyright (C) 2020  Evgeny Zinoviev
+ * This file is part of isv <https://github.com/gch1p/isv>.
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include "variant.h"
+
+variant_t variant_double(double d)
+{
+    variant_t v;
+    v.type = VARIANT_TYPE_DOUBLE;
+    v.d = d;
+    return v;
+}
+
+variant_t variant_long(long l)
+{
+    variant_t v;
+    v.type = VARIANT_TYPE_LONG;
+    v.l = l;
+    return v;
+}
+
+variant_t variant_bool(bool b)
+{
+    variant_t v;
+    v.type = VARIANT_TYPE_BOOL;
+    v.b = b;
+    return v;
+}
+
+variant_t variant_flag(bool b)
+{
+    variant_t v;
+    v.type = VARIANT_TYPE_FLAG;
+    v.b = b;
+    return v;
+}
+
+/* this just stores a pointer to a string, it doesn't copy the string itself */
+variant_t variant_string(const char *s)
+{
+    variant_t v;
+    v.type = VARIANT_TYPE_STRING;
+    v.s = s;
+    return v;
+}
+
+inline bool variant_is_string(variant_t v)
+{
+    return v.type == VARIANT_TYPE_STRING;
+}
+
+inline bool variant_is_long(variant_t v)
+{
+    return v.type == VARIANT_TYPE_LONG;
+}
+
+inline bool variant_is_bool(variant_t v)
+{
+    return v.type == VARIANT_TYPE_BOOL;
+}
+
+inline bool variant_is_flag(variant_t v)
+{
+    return v.type == VARIANT_TYPE_FLAG;
+}
+
+inline bool variant_is_double(variant_t v)
+{
+    return v.type == VARIANT_TYPE_DOUBLE;
+}
+\ No newline at end of file