ENH: Adding SGI hash_map and hash_set implementation ported from STL to KWSys. This also adds try-compiles for KWSYS_STL_HAS_ALLOCATOR_REBIND, KWSYS_CXX_HAS_FULL_SPECIALIZATION, KWSYS_CXX_HAS_MEMBER_TEMPLATES, and KWSYS_CXX_HAS_NULL_TEMPLATE_ARGS.

1 files changed, 115 insertions, 0 deletions

diff --git a/Source/kwsys/hash_fun.hxx.in b/Source/kwsys/hash_fun.hxx.in
new file mode 100644
index 0000000..f40750e
--- /dev/null
+++ b/Source/kwsys/hash_fun.hxx.in
@@ -0,0 +1,115 @@
+/*=========================================================================
+
+  Program:   KWSys - Kitware System Library
+  Module:    $RCSfile$
+
+  Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+/*
+ * Copyright (c) 1996
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ */
+#ifndef @KWSYS_NAMESPACE@_hash_fun_hxx
+#define @KWSYS_NAMESPACE@_hash_fun_hxx
+
+#include <@KWSYS_NAMESPACE@/Configure.hxx>
+
+namespace @KWSYS_NAMESPACE@
+{
+
+template <class _Key> struct hash { };
+
+inline size_t _stl_hash_string(const char* __s)
+{
+  unsigned long __h = 0;
+  for ( ; *__s; ++__s)
+    __h = 5*__h + *__s;
+
+  return size_t(__h);
+}
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<char*> {
+  size_t operator()(const char* __s) const { return _stl_hash_string(__s); }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<const char*> {
+  size_t operator()(const char* __s) const { return _stl_hash_string(__s); }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<char> {
+  size_t operator()(char __x) const { return __x; }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<unsigned char> {
+  size_t operator()(unsigned char __x) const { return __x; }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<signed char> {
+  size_t operator()(unsigned char __x) const { return __x; }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<short> {
+  size_t operator()(short __x) const { return __x; }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<unsigned short> {
+  size_t operator()(unsigned short __x) const { return __x; }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<int> {
+  size_t operator()(int __x) const { return __x; }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<unsigned int> {
+  size_t operator()(unsigned int __x) const { return __x; }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<long> {
+  size_t operator()(long __x) const { return __x; }
+};
+
+@KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
+struct hash<unsigned long> {
+  size_t operator()(unsigned long __x) const { return __x; }
+};
+
+} // namespace @KWSYS_NAMESPACE@
+
+#endif