Move CYNext, CYSetLast, and CYForEach to List.hpp.

[cycript.git] / List.hpp

diff --git a/List.hpp b/List.hpp
new file mode 100644 (file)
index 0000000..7113492
--- /dev/null
+++ b/List.hpp
@@ -0,0 +1,59 @@
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2010  Jay Freeman (saurik)
+*/
+
+/* GNU Lesser General Public License, Version 3 {{{ */
+/*
+ * Cycript 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.
+ *
+ * Cycript 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 Cycript.  If not, see <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
+
+#ifndef CYCRIPT_LIST_HPP
+#define CYCRIPT_LIST_HPP
+
+template <typename Type_>
+struct CYNext {
+    Type_ *next_;
+
+    CYNext() :
+        next_(NULL)
+    {
+    }
+
+    CYNext(Type_ *next) :
+        next_(next)
+    {
+    }
+
+    void SetNext(Type_ *next) {
+        next_ = next;
+    }
+};
+
+template <typename Type_>
+void CYSetLast(Type_ *&list, Type_ *item) {
+    if (list == NULL)
+        list = item;
+    else {
+        Type_ *next(list);
+        while (next->next_ != NULL)
+            next = next->next_;
+        next->next_ = item;
+    }
+}
+
+#define CYForEach(value, list) \
+    for (__typeof__(*list) *value(list); value != NULL; value = value->next_)
+
+#endif/*CYCRIPT_LIST_HPP*/