/// <summary>
/// Creates a file containing the source code and
/// the console output of the
/// specified example.
/// </summary>
/// <param name="codeExampleInfo">
/// The info about the code example under study.
/// </param>
/// <remarks>
/// <para>
/// The is created in the same directory containing the source
/// code file, and its path is obtained by adding <c>".txt"</c> to
/// the file path.
/// </para>
/// </remarks>
private static void CreateExampleSourceAndOutputFile(
CodeExampleInfo codeExampleInfo)
{
string path = codeExampleInfo.SourceCodePath;
List <string> lines = new List <string>();
string sourceCode = null;
using (StreamReader reader = new StreamReader(path))
{
sourceCode = reader.ReadToEnd();
}
sourceCode = codeExampleInfo.Language.RemoveICodeExampleReferences(sourceCode);
string line;
StringReader sourceCodeReader = new StringReader(sourceCode);
while ((line = sourceCodeReader.ReadLine()) != null)
{
lines.Add(line);
}
string commentSymbol = codeExampleInfo.Language.CommentSymbol;
StringReader stringReader = new StringReader(codeExampleInfo.Output);
using (StreamWriter writer =
new StreamWriter(path + ".txt", false, new UTF8Encoding(false)))
{
for (int i = 0; i < lines.Count; i++)
{
writer.WriteLine(lines[i]);
}
writer.WriteLine();
writer.WriteLine(commentSymbol +
"Executing method Main() produces the following output:");
writer.WriteLine(commentSymbol);
while (true)
{
line = stringReader.ReadLine();
if (line != null)
{
writer.WriteLine(commentSymbol + line);
}
else
{
break;
}
}
}
}
/// <summary>
/// Executes the specified example.
/// </summary>
/// <param name="codeExampleInfo">
/// The info about the code example to be executed.
/// </param>
private static void Execute(
CodeExampleInfo codeExampleInfo)
{
var obj = Activator.CreateInstance(codeExampleInfo.Type);
StringWriter stringWriter = new StringWriter();
var defaultOut = Console.Out;
Console.SetOut(stringWriter);
try
{
codeExampleInfo.Type.GetMethod("Main").Invoke(obj, null);
codeExampleInfo.ExitCode = 0;
}
catch (Exception e)
{
codeExampleInfo.Error = e.InnerException.Message;
codeExampleInfo.ExitCode = -1;
}
codeExampleInfo.Output = stringWriter.ToString();
Console.SetOut(defaultOut);
}
