Remove remaining non-boost_pp libraries as requirements.

samples/example.cpp

@@ -8,17 +8,15 @@
 
 #include <chaiscript/chaiscript.hpp>
 #include <chaiscript/dispatchkit/function_call.hpp>
-#include <boost/date_time/posix_time/posix_time.hpp>
-#include <boost/regex.hpp>
 
 void log(const std::string &msg)
 {
-  std::cout << "[" << boost::posix_time::microsec_clock::local_time() << "] " << msg << std::endl;
+  std::cout << "[" << time(nullptr) << "] " << msg << std::endl;
 }
 
 void log(const std::string &module, const std::string &msg)
 {
-  std::cout << "[" << boost::posix_time::microsec_clock::local_time() << "] <" << module << "> " << msg << std::endl;
+  std::cout << "[" << time(nullptr) << "] <" << module << "> " << msg << std::endl;
 }
 
 void bound_log(const std::string &msg)
@@ -140,7 +138,9 @@ int main(int /*argc*/, char * /*argv*/[]) {
   //Creating a functor on the stack and using it immediatly 
   int x = chai.eval<std::function<int (int, int)> >("fun (x, y) { return x + y; }")(5, 6);
 
-  log("Functor test output", boost::lexical_cast<std::string>(x));
+  std::stringstream ss;
+  ss << x;
+  log("Functor test output", ss.str());
 
   chai.add(var(std::shared_ptr<int>()), "nullvar");
   chai("print(\"This should be true.\"); print(nullvar.is_var_null())");

src/main.cpp

@@ -6,7 +6,7 @@
 
 #include <iostream>
 #include <list>
-#include <boost/algorithm/string/trim.hpp>
+#include <regex>
 
 #define _CRT_SECURE_NO_WARNINGS
 #include <chaiscript/chaiscript.hpp>
@@ -80,7 +80,21 @@ std::string get_next_command() {
     char *input_raw = readline("eval> ");
     if ( input_raw ) {
       add_history(input_raw);
-      retval = boost::trim_copy_if(std::string(input_raw),boost::algorithm::is_any_of(" \t"));
+
+      std::string val(input_raw);
+      size_t pos = val.find_first_not_of("\t \n");
+      if (pos != std::string::npos)
+      {
+        val.erase(0, pos);
+      }
+      pos = val.find_last_not_of("\t \n");
+      if (pos != std::string::npos)
+      {
+        val.erase(pos+1, std::string::npos);
+      }
+
+      retval = val;
+
       ::free(input_raw);
     }
   }