hscript: Fix up Key class, add BooleanKey class

1 files changed, 33 insertions, 0 deletions

diff --git a/hscript/key.cc b/hscript/key.cc
new file mode 100644
index 0000000..74406f6
--- /dev/null
+++ b/hscript/key.cc
@@ -0,0 +1,33 @@
+/*
+ * key.cc - Implementation of common routines for the base Key classes
+ * libhscript, the HorizonScript library for
+ * Project Horizon
+ *
+ * Copyright (c) 2019 Adélie Linux and contributors.  All rights reserved.
+ * This code is licensed under the AGPL 3.0 license, as noted in the
+ * LICENSE-code file in the root directory of this repository.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+#include <algorithm>
+#include "key.hh"
+
+bool Horizon::Keys::BooleanKey::parse(const std::string what, bool *out) {
+    std::string lower;
+    std::transform(what.begin(), what.end(), lower.begin(), ::tolower);
+
+    if(lower == "true" || lower == "yes" || lower == "1") {
+        *out = true;
+    } else if(lower == "false" || lower == "no" || lower == "0") {
+        *out = false;
+    } else {
+        return false;
+    }
+    return true;
+}
+
+bool Horizon::Keys::BooleanKey::validate() {
+    /* Key will fail init if it is not valid, so this is always a no-op. */
+    return true;
+}