Add string skeleton

source/tanya/container/string.d

@@ -0,0 +1,77 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ * Copyright: Eugene Wissner 2016-2017.
+ * License: $(LINK2 https://www.mozilla.org/en-US/MPL/2.0/,
+ *                  Mozilla Public License, v. 2.0).
+ * Authors: $(LINK2 mailto:info@caraus.de, Eugene Wissner)
+ */  
+module tanya.container.string;
+
+import core.exception;
+import core.stdc.string;
+import tanya.memory;
+
+/**
+ * UTF-8 string.
+ */
+struct String
+{
+	private char[] data;
+	private size_t length_;
+
+	invariant
+	{
+		assert(length_ <= data.length);
+	}
+
+	/// Ditto.
+	this(const(char)[] str, shared Allocator allocator = defaultAllocator)
+	nothrow @trusted @nogc
+	{
+		this(allocator);
+
+		data = cast(char[]) allocator.allocate(str.length);
+		if (str.length > 0 && data is null)
+		{
+				onOutOfMemoryErrorNoGC();
+		}
+		memcpy(data.ptr, str.ptr, str.length);
+	}
+
+	/// Ditto.
+	this(const(wchar)[] str, shared Allocator allocator = defaultAllocator)
+	nothrow @trusted @nogc
+	{
+		this(allocator);
+
+	}
+
+	/// Ditto.
+	this(const(dchar)[] str, shared Allocator allocator = defaultAllocator)
+	nothrow @trusted @nogc
+	{
+		this(allocator);
+
+	}
+
+	/// Ditto.
+	this(shared Allocator allocator) pure nothrow @safe @nogc
+	in
+	{
+		assert(allocator !is null);
+	}
+	body
+	{
+		allocator_ = allocator;
+	}
+
+	~this() nothrow @trusted @nogc
+	{
+		allocator.deallocate(data);
+	}
+
+	mixin DefaultAllocator;
+}