1 files changed, 57 insertions, 0 deletions
diff --git a/src/svg/svg-bool.cpp b/src/svg/svg-bool.cpp
new file mode 100644
index 0000000..9a2ceaa
--- /dev/null
+++ b/src/svg/svg-bool.cpp
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Authors:
+ *   Martin Owens <doctormo@geek-2.com>
+ *
+ * Copyright (C) 2021 Martin Owens
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <cstring>
+#include <string>
+#include <glib.h>
+
+#include "svg/svg-bool.h"
+
+/**
+ * This boolean is not an SVG specification type, but it is something
+ * Inkscape uses for many of it's internal values.
+ */
+SVGBool::SVGBool(bool default_value)
+    : _default(default_value)
+{}
+
+bool SVGBool::read(gchar const *str)
+{
+    if (!str) return false;
+
+    _is_set = true;
+    _value = !g_ascii_strcasecmp(str, "true") ||
+             !g_ascii_strcasecmp(str, "yes") ||
+             !g_ascii_strcasecmp(str, "y") ||
+             (atoi(str) != 0);
+
+    return true;
+}
+
+void SVGBool::unset() {
+    _is_set = false;
+}
+
+void SVGBool::readOrUnset(gchar const *str) {
+    if (!read(str)) {
+        unset();
+    }
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :