1 files changed, 74 insertions, 0 deletions
diff --git a/Kernel/CommandLine.cpp b/Kernel/CommandLine.cpp
new file mode 100644
index 0000000000..d08e1c68e0
--- /dev/null
+++ b/Kernel/CommandLine.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <Kernel/CommandLine.h>
+
+namespace Kernel {
+
+static CommandLine* s_the;
+
+const CommandLine& kernel_command_line()
+{
+    ASSERT(s_the);
+    return *s_the;
+}
+
+void CommandLine::initialize(const String& string)
+{
+    s_the = new CommandLine(string);
+}
+
+CommandLine::CommandLine(const String& string)
+    : m_string(string)
+{
+    s_the = this;
+
+    for (auto str : m_string.split(' ')) {
+        if (str == "") {
+            continue;
+        }
+
+        auto pair = str.split_limit('=', 2);
+
+        if (pair.size() == 1) {
+            m_params.set(pair[0], "");
+        } else {
+            m_params.set(pair[0], pair[1]);
+        }
+    }
+}
+
+String CommandLine::get(const String& key) const
+{
+    return m_params.get(key).value_or({});
+}
+
+bool CommandLine::contains(const String& key) const
+{
+    return m_params.contains(key);
+}
+
+}