Started implementing colored output.

include/plasp/pddl/expressions/NAry.h

@@ -71,7 +71,7 @@ std::unique_ptr<Derived> NAry<Derived>::parse(Context &context,
 	}
 
 	if (expression->m_arguments.empty())
-		context.logger.parserWarning(context.parser, "\"" + Derived::Identifier + "\" expressions should not be empty");
+		context.logger.parserWarning(context.parser, "“" + Derived::Identifier + "” expressions should not be empty");
 
 	parser.expect<std::string>(")");
 

include/plasp/utils/Formatting.h

@@ -0,0 +1,81 @@
+#ifndef __PLASP__UTILS__FORMATTING_H
+#define __PLASP__UTILS__FORMATTING_H
+
+#include <iostream>
+
+#include <unistd.h>
+
+namespace plasp
+{
+namespace utils
+{
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+// Formatting
+//
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+enum class Color
+{
+	Black = 0,
+	Red = 1,
+	Green = 2,
+	Yellow = 3,
+	Blue = 4,
+	Magenta = 5,
+	Cyan = 6,
+	White = 7
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+enum class FontWeight
+{
+	Normal = 0,
+	Bold = 1
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+struct Format
+{
+	Format(Color color, FontWeight fontWeight = FontWeight::Normal)
+	:	color{color},
+		fontWeight{fontWeight}
+	{
+	}
+
+	Color color;
+	FontWeight fontWeight;
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+std::ostream &operator<<(std::ostream &ostream, const Format &format)
+{
+	const auto fontWeightCode = static_cast<size_t>(format.fontWeight);
+	const auto colorCode = 30 + static_cast<size_t>(format.color);
+
+	return (ostream << "\033[" << fontWeightCode << ";" << colorCode << "m");
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+class ResetFormat
+{
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+std::ostream &operator<<(std::ostream &ostream, const ResetFormat &)
+{
+	return (ostream << "\033[0m");
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+}
+}
+
+#endif

include/plasp/utils/Logger.h

@@ -4,6 +4,7 @@
 #include <string>
 
 #include <plasp/utils/Parser.h>
+#include <plasp/utils/ParserException.h>
 
 namespace plasp
 {
@@ -37,6 +38,8 @@ class Logger
 
 		void setWarningLevel(WarningLevel warningLevel);
 
+		void exception(const std::string &errorType, const std::string &message);
+		void parserException(const Parser::Coordinate &coordinate, const std::string &message);
 		void parserWarning(const Parser &parser, const std::string &message);
 
 	private:

include/plasp/utils/ParserException.h

@@ -31,10 +31,11 @@ class ParserException: public std::exception
 		}
 
 		explicit ParserException(const utils::Parser &parser, const std::string &message)
+		:	m_coordinate{parser.coordinate()},
+			m_message{message},
+			m_plainMessage{m_coordinate.sectionName + ":" + std::to_string(m_coordinate.row)
+				+ ":" + std::to_string(m_coordinate.column) + " " + m_message}
 		{
-			const auto coordinate = parser.coordinate();
-
-			m_message = coordinate.sectionName + ":" + std::to_string(coordinate.row) + ":" + std::to_string(coordinate.column) + " " + message;
 		}
 
 		~ParserException() throw()
@@ -43,14 +44,23 @@ class ParserException: public std::exception
 
 		const char *what() const throw()
 		{
-			if (m_message.empty())
-				return "Unspecified parser error";
+			return m_plainMessage.c_str();
+		}
 
-			return m_message.c_str();
+		const Parser::Coordinate &coordinate() const
+		{
+			return m_coordinate;
+		}
+
+		const std::string &message() const
+		{
+			return m_message;
 		}
 
 	private:
+		Parser::Coordinate m_coordinate;
 		std::string m_message;
+		std::string m_plainMessage;
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////

include/plasp/utils/ParserWarning.h

@@ -31,10 +31,11 @@ class ParserWarning: public std::exception
 		}
 
 		explicit ParserWarning(const utils::Parser &parser, const std::string &message)
+		:	m_coordinate{parser.coordinate()},
+			m_message{message},
+			m_plainMessage{m_coordinate.sectionName + ":" + std::to_string(m_coordinate.row)
+				+ ":" + std::to_string(m_coordinate.column) + " " + m_message}
 		{
-			const auto coordinate = parser.coordinate();
-
-			m_message = coordinate.sectionName + ":" + std::to_string(coordinate.row) + ":" + std::to_string(coordinate.column) + " " + message;
 		}
 
 		~ParserWarning() throw()
@@ -43,14 +44,23 @@ class ParserWarning: public std::exception
 
 		const char *what() const throw()
 		{
-			if (m_message.empty())
-				return "Unspecified parser warning";
+			return m_plainMessage.c_str();
+		}
 
-			return m_message.c_str();
+		const Parser::Coordinate &coordinate() const
+		{
+			return m_coordinate;
+		}
+
+		const std::string &message() const
+		{
+			return m_message;
 		}
 
 	private:
+		Parser::Coordinate m_coordinate;
 		std::string m_message;
+		std::string m_plainMessage;
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////