[Boost-commit] svn:boost r47999 - in sandbox/shifted_ptr: boost/detail libs/smart_ptr/example

From: phil_at_[hidden]
Date: 2008-08-06 05:19:59

Author: pbouchard
Date: 2008-08-06 05:19:58 EDT (Wed, 06 Aug 2008)
New Revision: 47999
URL: http://svn.boost.org/trac/boost/changeset/47999

Log:
Added brain kernel example.
Added:
   sandbox/shifted_ptr/libs/smart_ptr/example/regex_test1.cpp   (contents, props changed)
Text files modified: 
   sandbox/shifted_ptr/boost/detail/sh_owned_base_nt.hpp |     1 -                                       
   1 files changed, 0 insertions(+), 1 deletions(-)

Modified: sandbox/shifted_ptr/boost/detail/sh_owned_base_nt.hpp
==============================================================================
--- sandbox/shifted_ptr/boost/detail/sh_owned_base_nt.hpp	(original)
+++ sandbox/shifted_ptr/boost/detail/sh_owned_base_nt.hpp	2008-08-06 05:19:58 EDT (Wed, 06 Aug 2008)
@@ -46,7 +46,6 @@
 #include <boost/detail/intrusive_list.hpp>
 #include <boost/detail/intrusive_stack.hpp>
 #include <boost/detail/sh_utility.h>
-#include <boost/detail/sp_counted_base_nt.hpp>
 
 
 namespace boost

Added: sandbox/shifted_ptr/libs/smart_ptr/example/regex_test1.cpp
==============================================================================
--- (empty file)
+++ sandbox/shifted_ptr/libs/smart_ptr/example/regex_test1.cpp	2008-08-06 05:19:58 EDT (Wed, 06 Aug 2008)
@@ -0,0 +1,58 @@
+/**
+	@file
+	regex_test1.cpp
+
+	@note
+	Brain kernel.
+*/
+
+#include <vector>
+#include <string>
+#include <iostream>
+#include <boost/regex.hpp>
+#include <boost/shifted_ptr.hpp>
+
+using namespace std;
+using namespace boost;
+
+
+struct neuron
+{
+    regex e;
+    vector< shifted_ptr<neuron> > sub;
+    
+    neuron(string const & s, shifted<neuron> * p1 = 0, shifted<neuron> * p2 = 0, shifted<neuron> * p3 = 0) 
+    : 
+        e(s), 
+        sub(e.mark_count()) 
+    {
+        if (p1) sub[0] = p1;
+        if (p2) sub[1] = p2;
+        if (p3) sub[2] = p3;
+    }
+
+    double operator () (std::string const & input)
+    {
+        match_results<std::string::const_iterator> what;
+
+        if (! regex_match(input, what, e, match_default | match_partial))
+            return 0;
+          
+        if (! what[0].matched)
+            return 0;
+
+        double accuracy = 0;
+        for (int i = 1; i < what.size(); i ++)
+            if (what[i].matched)
+                accuracy += (* sub[i])(what[i].str()) / (what.size() - 1);
+        
+        return accuracy;
+    }
+};
+
+int main(int argv, char * argc[])
+{
+    shifted_ptr<neuron> brain = new shifted<neuron>("I eat [a-z]+ then drink [a-z+]", new shifted<neuron>("beef|chicken"), new shifted<neuron>("vodka|water"));
+
+    cout << ((* brain)("I eat beef then drink water") > .5 ? "true" : "false") << endl;
+}