public static CodeMetrics Analyze(string text, bool injectIntrigue = false)
{
var metrics = new CodeMetrics()
{
Text = text
};
var timer = new Stopwatch();
timer.Start();
{
// get raw bytes
var bytes = ASCIIEncoding.ASCII.GetBytes(text);
// raw analysis
Raw(bytes, ref metrics);
// ccm analysis
CCM(bytes, ref metrics);
// crazy character analysis
if (injectIntrigue)
{
Characters(bytes, ref metrics);
}
}
timer.Stop();
metrics.Duration = timer.ElapsedMilliseconds;
return(metrics);
}
private static bool Raw(byte[] bytes, ref CodeMetrics metrics)
{
// raw byte count
metrics.Bytes = bytes.Length;
// count newlines
for (int i = 0; i < bytes.Length; i++)
{
if (bytes[i] == '\n')
{
metrics.Lines++;
}
}
return(true);
}
private static bool CCM(byte[] bytes, ref CodeMetrics metrics)
{
// create container for the metrics
var listenter = new SortedListener(
numMetrics: 30,
ignores: new List <string>(),
threshold: 0
);
// analyze
using (var stream = new MemoryStream(bytes))
{
var reader = new StreamReader(stream);
// analyze
try
{
var analyzer = new FileAnalyzer(
filestream: reader,
listenter,
context: null,
suppressMethodSignatures: false,
filename: "foo.cs"
);
analyzer.Analyze();
// consider the metrics in listener
foreach (var m in listenter.Metrics)
{
System.Diagnostics.Debug.WriteLine($"{m.Unit} {m.CCM} {m}");
metrics.CCM += m.CCM;
metrics.Methods++;
}
}
catch (Exception e)
{
metrics.CCM = Single.MaxValue;
return(false);
}
}
return(true);
}
private static bool Characters(byte[] bytes, ref CodeMetrics metrics)
{
// this is to inject some intrigue into the analysis
for (int i = 0; i < bytes.Length; i++)
{
// Q, V - Z
if (bytes[i] == 81 || (bytes[i] >= 86 && bytes[i] <= 90))
{
metrics.Characters -= 2f;
}
// q, v - z
else if (bytes[i] == 113 || (bytes[i] >= 118 && bytes[i] <= 122))
{
metrics.Characters -= 1f;
}
// 0 - 9
else if (bytes[i] >= 48 && bytes[i] <= 57)
{
metrics.Characters += 0.75f;
}
// A - Z
else if (bytes[i] >= 65 && bytes[i] <= 90)
{
metrics.Characters += 0.25f;
}
// a - z
else if (bytes[i] >= 97 && bytes[i] <= 122)
{
metrics.Characters += 1f;
}
// space
else if (bytes[i] == 32)
{
metrics.Characters += 1f;
}
}
return(true);
}