adding warning function to api

Signed-off-by: Alex McCaskey <mccaskeyaj@ornl.gov>

xacc/XACC.cpp

@@ -113,6 +113,10 @@ void info(const std::string& msg, MessagePredicate predicate) {
 	XACCLogger::instance()->info(msg, predicate);
 }
 
+void warning(const std::string& msg, MessagePredicate predicate) {
+	XACCLogger::instance()->warning(msg, predicate);
+}
+
 void debug(const std::string& msg, MessagePredicate predicate) {
 	XACCLogger::instance()->debug(msg, predicate);
 }

xacc/XACC.hpp

@@ -116,6 +116,14 @@ void setGlobalLoggerPredicate(MessagePredicate predicate);
  */
 void info(const std::string& msg, MessagePredicate predicate = std::function<bool(void)>([]() {return true;}));
 
+/**
+ * Print a warning log to the XACC Logger.
+ *
+ * @param msg The log to print
+ * @param predicate Function with no arguments that returns bool
+ */
+void warning(const std::string& msg, MessagePredicate predicate = std::function<bool(void)>([]() {return true;}));
+
 /**
  * Print an debug log to the XACC Logger.
  *

xacc/utils/Utils.cpp

@@ -98,6 +98,27 @@ void XACCLogger::info(const std::string& msg, MessagePredicate predicate) {
 		}
 	}
 }
+
+void XACCLogger::warning(const std::string& msg, MessagePredicate predicate) {
+	if (useCout) {
+		if (predicate() && globalPredicate()) {
+			if (useColor) {
+				std::cout << "\033[1;33m[XACC Warning] " + msg + "\033[0m \n";
+			} else {
+				std::cout << "[XACC Warning] " + msg + "\n";
+			}
+		}
+	} else {
+		if (predicate() && globalPredicate()) {
+			if (useColor) {
+				logger->info("\033[1;33m" + msg + "\033[0m");
+			} else {
+				logger->info(msg);
+			}
+		}
+	}
+}
+
 void XACCLogger::debug(const std::string& msg, MessagePredicate predicate) {
 	if (useCout) {
 		if (predicate() && globalPredicate()) {
@@ -110,7 +131,7 @@ void XACCLogger::debug(const std::string& msg, MessagePredicate predicate) {
 	} else {
 		if (predicate() && globalPredicate()) {
 			if (useColor) {
-				logger->info("\033[1;33m" + msg + "\033[0m");
+				logger->info("\033[1;32m" + msg + "\033[0m");
 			} else {
 				logger->info(msg);
 			}

xacc/utils/Utils.hpp

@@ -134,6 +134,7 @@ public:
 	}
 	void setGlobalLoggerPredicate(MessagePredicate pred) {globalPredicate = pred;}
 	void info(const std::string& msg, MessagePredicate predicate = std::function<bool(void)>([]() {return true;}));
+	void warning(const std::string& msg, MessagePredicate predicate = std::function<bool(void)>([]() {return true;}));
 	void debug(const std::string& msg, MessagePredicate predicate = std::function<bool(void)>([]() {return true;}));
 	void error(const std::string& msg, MessagePredicate predicate = std::function<bool(void)>([]() {return true;}));
 };