1 files changed, 93 insertions, 0 deletions
diff --git a/omegalib/omega/include/basic/SimpleList.h b/omegalib/omega/include/basic/SimpleList.h
new file mode 100644
index 0000000..a08b307
--- /dev/null
+++ b/omegalib/omega/include/basic/SimpleList.h
@@ -0,0 +1,93 @@
+#if ! defined _Simple_List_h
+#define _Simple_List_h 1
+
+/*
+ *  Linked lists with an interface like a bit of libg++'s SLSimple_List class
+ */
+
+#include <assert.h>
+#include <basic/Iterator.h>
+#include <basic/Collection.h>
+#include <basic/Link.h>
+
+namespace omega {
+  
+#define Simple_List Omega_Simple_List
+#define Simple_List_Iterator Omega_Simple_List_Iterator
+
+template<class T> class Simple_List_Iterator;
+
+// A TEMPORARY HACK - ERROR IF YOU TRY TO USE "INDEX" - FERD
+
+template<class T> class Simple_List : public Sequence<T> {
+public:
+  Simple_List(const Simple_List<T> &l)
+  { contents = l.contents ? new List_Element<T>(*l.contents) : 0; }
+  Simple_List() { contents = 0; }
+  virtual ~Simple_List() { delete contents; }
+
+  Iterator<T> *new_iterator();
+  const T &operator[](int) const;
+  T &operator[](int);
+
+    
+  int size() const;
+  int length() const { return size(); }
+  int empty() const { return size() == 0; }
+
+  T &front() const;
+
+// insertion/deletion on a list invalidates any iterators
+// that are on/after the element added/removed
+
+  T remove_front();	       
+
+  void prepend(const T &item);
+  void append(const T &item);
+
+  void del_front();
+  void clear();
+
+  void join(Simple_List<T> &consumed);
+
+  int index(const T &) const {
+		assert(0&&"ILLEGAL SimpleList operation\n");
+    return -1;
+  }
+
+private:
+  friend class Simple_List_Iterator<T>;
+  List_Element<T> **end()
+  {
+    List_Element<T> **e = &contents;
+    while (*e)
+      e = &((*e)->tail);
+    return e;
+  }
+
+  List_Element<T> *contents;
+};
+
+
+template<class T> class Simple_List_Iterator : public List_Element_Iterator<T> {
+public:
+  Simple_List_Iterator(Simple_List<T> &l);
+  Simple_List_Iterator(const Simple_List<T> &l);
+  Simple_List_Iterator();
+private:
+  List_Element<T> &element() { return *this->i; } ;
+  friend class Simple_List<T>;
+};
+
+} // namespace
+
+#if ! defined DONT_INCLUDE_TEMPLATE_CODE
+#include <basic/SimpleList.c>
+#endif
+
+#define instantiate_Simple_List(T)	template class Simple_List<T>;  \
+  template class Simple_List_Iterator<T>;                           \
+  instantiate_Only_List_Element(T)                                  \
+  instantiate_Sequence(T)
+
+#endif