Initial commit.

1 files changed, 144 insertions, 0 deletions

diff --git a/src/NumberConversion.cpp b/src/NumberConversion.cpp
new file mode 100644
index 0000000..a5d429d
--- /dev/null
+++ b/src/NumberConversion.cpp
@@ -0,0 +1,144 @@
+/*
+ * NumberConversion.cpp
+ *
+ *  Created on: Sep 2, 2014
+ *      Author: Cameron Karlsson
+ */
+
+#include <nmeaparse/NumberConversion.h>
+
+using namespace std;
+
+namespace nmea {
+// Note: both parseDouble and parseInt return 0 with "" input.
+
+		double parseDouble(std::string s){
+
+			char* p;
+			double d = ::strtod(s.c_str(), &p);
+			if (*p != 0){
+				std::stringstream ss;
+				ss << "NumberConversionError: parseDouble() error in argument \"" << s << "\", '"
+					<< *p << "' is not a number.";
+				throw NumberConversionError(ss.str());
+			}
+			return d;
+		}
+		int64_t parseInt(std::string s, int radix){
+			char* p;
+
+			int64_t d = ::strtoll(s.c_str(), &p, radix);
+
+			if (*p != 0) {
+				std::stringstream ss;
+				ss << "NumberConversionError: parseInt() error in argument \"" << s << "\", '"
+					<< *p << "' is not a number.";
+				throw NumberConversionError(ss.str());
+			}
+			return d;
+		}
+
+}
+
+/*
+#include <iostream>
+void NumberConversion_test(){
+ 	string s;
+ 	float f;
+ 	long long k;
+
+	try{
+		s = "-1.345";
+		f = parseDouble(s);
+		cout << s << ": " << f << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+
+	try{
+		s = "-1.23e-2";
+		f = parseDouble(s);
+		cout << s << ": " << f << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+
+	try{
+		s = "";
+		f = parseDouble(s);
+		cout << s << ": " << f << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+
+
+	try{
+		// -- fails, ok
+		s = "asd";
+		f = parseDouble(s);
+		cout << s << ": " << f << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+	try{
+		s = "-1234.123";
+		k = parseInt(s);
+		cout << s << ": " << k << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+
+
+	try{
+		s = "01234";
+		k = parseInt(s);
+		cout << s << ": " << k << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+
+	try{
+		// -- converts to 0
+		s = "";
+		k = parseInt(s);
+		cout << s << ": " << k << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+
+	try{
+		// -- fails, ok
+		s = "asd";
+		k = parseInt(s);
+		cout << s << ": " << k << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+	try{
+		// -- fails, ok
+		s = "-16";
+		k = parseInt(s);
+		cout << s << ": " << k << endl;
+	}
+	catch(NumberConversionError& ex){
+		cout << ex.message << endl;
+	}
+
+ }
+ */
\ No newline at end of file