Put tag forward declarations in separate header

2 files changed, 49 insertions, 7 deletions

diff --git a/include/tag_list.h b/include/tag_list.h
index d34ca83b20..a84e010f04 100644
--- a/include/tag_list.h
+++ b/include/tag_list.h
@@ -21,6 +21,7 @@
 #define TAG_LIST_H_INCLUDED
 
 #include "crtp_tag.h"
+#include "tagfwd.h"
 #include "value.h"
 #include <typeinfo>
 #include <vector>
@@ -28,13 +29,6 @@
 namespace nbt
 {
 
-//Forward declarations
-class tag_list;
-class tag_compound;
-template<class T> class tag_array;
-typedef tag_array<int8_t> tag_byte_array;
-typedef tag_array<int32_t> tag_int_array;
-
 ///Tag that contains multiple unnamed tags of the same type
 class tag_list final : public detail::crtp_tag<tag_list>
 {
diff --git a/include/tagfwd.h b/include/tagfwd.h
new file mode 100644
index 0000000000..98d75b8328
--- /dev/null
+++ b/include/tagfwd.h
@@ -0,0 +1,48 @@
+/*
+ * libnbt++ - A library for the Minecraft Named Binary Tag format.
+ * Copyright (C) 2013, 2015  ljfa-ag
+ *
+ * This file is part of libnbt++.
+ *
+ * libnbt++ is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * libnbt++ is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libnbt++.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/** @file
+ * @brief Provides forward declarations for all tag classes
+ */
+#ifndef TAGFWD_H_INCLUDED
+#define TAGFWD_H_INCLUDED
+
+namespace nbt
+{
+
+class tag;
+
+template<class T> class tag_primitive;
+typedef tag_primitive<int8_t> tag_byte;
+typedef tag_primitive<int16_t> tag_short;
+typedef tag_primitive<int32_t> tag_int;
+typedef tag_primitive<int64_t> tag_long;
+typedef tag_primitive<float> tag_float;
+typedef tag_primitive<double> tag_double;
+
+template<class T> class tag_array;
+typedef tag_array<int8_t> tag_byte_array;
+typedef tag_array<int32_t> tag_int_array;
+
+class tag_list;
+class tag_compound;
+
+}
+
+#endif // TAGFWD_H_INCLUDED