Add time stamp to logging

src/ifcparse/IfcLogger.cpp

@@ -32,9 +32,18 @@
 #include <mutex>
 #include <iostream>
 #include <algorithm>
+#include <ctime>
+#include <iomanip>
 
 namespace {
 
+	std::string get_time() {
+		std::ostringstream oss;
+		time_t now = time(nullptr);
+		oss << std::put_time(localtime(&now), "%F %T");
+		return oss.str();
+	}
+	
 	template <typename T>
 	struct severity_strings {
 		static const std::array<std::basic_string<T>, 4> value;
@@ -49,6 +58,7 @@ namespace {
 	template <typename T>
 	void plain_text_message(T& os, const boost::optional<IfcUtil::IfcBaseClass*>& current_product, Logger::Severity type, const std::string& message, const IfcUtil::IfcBaseInterface* instance) {
 		os << "[" << severity_strings<typename T::char_type>::value[type] << "] ";
+		os << "[" << get_time().c_str() << "] ";
 		if (current_product) {
             std::string global_id = *((IfcUtil::IfcBaseEntity*)*current_product)->get("GlobalId");
 			os << "{" << global_id.c_str() << "} ";
@@ -75,6 +85,7 @@ namespace {
 		boost::property_tree::basic_ptree<std::basic_string<typename T::char_type>, std::basic_string<typename T::char_type> > pt;
 		
 		// @todo this is crazy
+		static const typename T::char_type time_string[] = { 't', 'i', 'm', 'e', 0 };
 		static const typename T::char_type level_string[] = { 'l', 'e', 'v', 'e', 'l', 0 };
 		static const typename T::char_type product_string[] = { 'p', 'r', 'o', 'd', 'u', 'c', 't', 0 };
 		static const typename T::char_type message_string[] = { 'm', 'e', 's', 's', 'a', 'g', 'e', 0 };
@@ -88,6 +99,9 @@ namespace {
 		if (instance) {
 			pt.put(instance_string, string_as<typename T::char_type>(instance->data().toString()));
 		}
+
+		pt.put(time_string, string_as<typename T::char_type>(get_time()));
+
 		boost::property_tree::write_json(os, pt, false);
 	}
 }