1 files changed, 45 insertions, 0 deletions
diff --git a/Parser.h b/Parser.h
new file mode 100644
index 0000000..3a86eec
--- /dev/null
+++ b/Parser.h
@@ -0,0 +1,45 @@
+#pragma once
+
+#include <iostream>
+#include <istream>
+#include <exception>
+
+#include "Circuit.h"
+
+using std::istream;
+using std::string;
+
+class ParserException : public std::exception {
+public:
+	ParserException(const char * fmt, ...);
+	virtual ~ParserException();
+	virtual const char * what();
+
+private:
+	char * error = NULL;
+};
+
+class Parser {
+public:
+	Parser() = default;
+	virtual ~Parser() = default;
+
+	void parse(string input);
+	void parse(istream & input);
+
+	/**
+	 * \brief preprocess (filter) line of input
+	 *
+	 * normalize whitespace and remove comments
+	 */
+	static size_t filter(char * input);
+
+	void set_circuit(Circuit & circuit);
+
+private:
+	friend istream & operator << (Parser & parser, istream & s);
+	friend istream & operator >> (istream & s, Parser & parser);
+
+	Circuit * circuit;
+};
+