Libraries: Move to Userland/Libraries/

1 files changed, 111 insertions, 0 deletions

diff --git a/Userland/Libraries/LibIPC/Encoder.h b/Userland/Libraries/LibIPC/Encoder.h
new file mode 100644
index 0000000000..da8416f5a5
--- /dev/null
+++ b/Userland/Libraries/LibIPC/Encoder.h
@@ -0,0 +1,111 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include <LibIPC/Forward.h>
+#include <LibIPC/Message.h>
+
+namespace IPC {
+
+template<typename T>
+bool encode(Encoder&, T&)
+{
+    static_assert(DependentFalse<T>, "Base IPC::encode() was instantiated");
+    ASSERT_NOT_REACHED();
+}
+
+class Encoder {
+public:
+    explicit Encoder(MessageBuffer& buffer)
+        : m_buffer(buffer)
+    {
+    }
+
+    Encoder& operator<<(bool);
+    Encoder& operator<<(u8);
+    Encoder& operator<<(u16);
+    Encoder& operator<<(u32);
+    Encoder& operator<<(u64);
+    Encoder& operator<<(i8);
+    Encoder& operator<<(i16);
+    Encoder& operator<<(i32);
+    Encoder& operator<<(i64);
+    Encoder& operator<<(float);
+    Encoder& operator<<(const char*);
+    Encoder& operator<<(const StringView&);
+    Encoder& operator<<(const String&);
+    Encoder& operator<<(const ByteBuffer&);
+    Encoder& operator<<(const URL&);
+    Encoder& operator<<(const Dictionary&);
+    Encoder& operator<<(const File&);
+    template<typename K, typename V>
+    Encoder& operator<<(const HashMap<K, V>& hashmap)
+    {
+        *this << (u32)hashmap.size();
+        for (auto it : hashmap) {
+            *this << it.key;
+            *this << it.value;
+        }
+        return *this;
+    }
+
+    template<typename T>
+    Encoder& operator<<(const Vector<T>& vector)
+    {
+        *this << (u64)vector.size();
+        for (auto& value : vector)
+            *this << value;
+        return *this;
+    }
+
+    template<typename T>
+    Encoder& operator<<(const T& value)
+    {
+        encode(value);
+        return *this;
+    }
+
+    template<typename T>
+    Encoder& operator<<(const Optional<T>& optional)
+    {
+        *this << optional.has_value();
+        if (optional.has_value())
+            *this << optional.value();
+        return *this;
+    }
+
+    template<typename T>
+    void encode(const T& value)
+    {
+        IPC::encode(*this, value);
+    }
+
+private:
+    MessageBuffer& m_buffer;
+};
+
+}