Imported prelimiary work to post Contract++ to Boost.Contract.

example/stroustrup97/string.cpp

@@ -0,0 +1,33 @@
+
+// Copyright (C) 2008-2012 Lorenzo Caminiti
+// Distributed under the Boost Software License, Version 1.0
+// (see accompanying file LICENSE_1_0.txt or a copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+// Home at http://sourceforge.net/projects/contractpp
+
+//[stroustrup97_string
+// File: string.cpp
+#include "string.hpp"
+
+CONTRACT_CONSTRUCTOR_BODY(string, string) ( const char* chars )
+    { init(chars); }
+
+CONTRACT_CONSTRUCTOR_BODY(string, string) ( const string& other )
+    { init(other.chars_); }
+
+CONTRACT_DESTRUCTOR_BODY(string, ~string) ( void )
+    { delete[] chars_; }
+
+char& string::CONTRACT_MEMBER_BODY(operator([])(at)) ( int index )
+    { return chars_[index]; }
+
+int string::CONTRACT_MEMBER_BODY(size) ( void ) const { return size_; }
+
+void string::CONTRACT_MEMBER_BODY(init) ( const char* chars ) {
+    size_ = strlen(chars);
+    chars_ = new char[size_ + 1];
+    for(int i = 0; i < size_; ++i) chars_[i] = chars[i];
+    chars_[size_] = '\0';
+}
+//]
+