From 151a1f0d1b0da19605af787c326f8461b37c6ac3 Mon Sep 17 00:00:00 2001
From: Jonas Kulla <Nyocurio@gmail.com>
Date: Mon, 4 Aug 2014 14:43:56 +0200
Subject: [PATCH] Table: Add clone constructor (and bind in MRI)

Fixes #50.
---
 binding-mri/table-binding.cpp | 2 ++
 src/table.cpp                 | 8 ++++++++
 src/table.h                   | 2 ++
 3 files changed, 12 insertions(+)

diff --git a/binding-mri/table-binding.cpp b/binding-mri/table-binding.cpp
index f0aa818..9a29079 100644
--- a/binding-mri/table-binding.cpp
+++ b/binding-mri/table-binding.cpp
@@ -142,6 +142,7 @@ RB_METHOD(tableSetAt)
 }
 
 MARSH_LOAD_FUN(Table)
+INITCOPY_FUN(Table)
 
 void
 tableBindingInit()
@@ -156,6 +157,7 @@ tableBindingInit()
 	rb_define_class_method(klass, "_load", TableLoad);
 
 	_rb_define_method(klass, "initialize", tableInitialize);
+	_rb_define_method(klass, "initialize_copy", TableInitializeCopy);
 	_rb_define_method(klass, "resize", tableResize);
 	_rb_define_method(klass, "xsize", tableXSize);
 	_rb_define_method(klass, "ysize", tableYSize);
diff --git a/src/table.cpp b/src/table.cpp
index 22a9e7d..bab6cbd 100644
--- a/src/table.cpp
+++ b/src/table.cpp
@@ -36,6 +36,14 @@ Table::Table(int x, int y /*= 1*/, int z /*= 1*/)
 	data = static_cast<int16_t*>(calloc(x * y * z, sizeof(int16_t)));
 }
 
+Table::Table(const Table &other)
+    :m_x(other.m_x), m_y(other.m_y), m_z(other.m_z)
+{
+	const size_t size = m_x * m_y * m_z * sizeof(int16_t);;
+	data = static_cast<int16_t*>(malloc(size));
+	memcpy(data, other.data, size);
+}
+
 Table::~Table()
 {
 	free(data);
diff --git a/src/table.h b/src/table.h
index 3b8079a..5269329 100644
--- a/src/table.h
+++ b/src/table.h
@@ -31,6 +31,8 @@ class Table : public Serializable
 {
 public:
 	Table(int x, int y = 1, int z = 1);
+	/* Clone constructor */
+	Table(const Table &other);
 	virtual ~Table();
 
 	int xSize() const { return m_x; }