static void Main()
{
bool stopProgram = false;
string defaultInputPath = Repository.GetAbsolutePath("../../Input Files/");
string defaultOutputPath = Repository.GetAbsolutePath("../../Output Files/");
string file1Type;
string file2Type;
int granularity;
Console.WriteLine("File Difference Analyser");
Console.WriteLine("Type 'diff <file1> <file2>' to view the differences between two files");
Console.WriteLine("By default, characters are analysed. To view word differences, use the '\\w' argument");
Console.WriteLine("To change the default directory type 'setpath <path>' where <path> is rooted at C://");
Console.WriteLine("Type 'help' for a list of commands");
//While the user does not choose to terminate the program
while (!stopProgram)
{
UI.Break();
UserInput input = UI.InterpretUserInput(UI.GetUserInput());
if (input.Error == "")
{
if (!input.CommandIsNull)
{
if (input.Command == "diff")
{
UI.Break();
file1Type = Repository.GetFileExtention(input.Parameters[0]);
file2Type = Repository.GetFileExtention(input.Parameters[1]);
IReadable file1 = RENAME(file1Type);
IReadable file2 = RENAME(file2Type);
if (!file1.Open(defaultInputPath + input.Parameters[0]))
{
Console.WriteLine("Parameter 1: '" + file1.Name + "' could not be opened");
}
if (!file2.Open(defaultInputPath + input.Parameters[1]))
{
Console.WriteLine("Parameter 2: '" + file2.Name + "' could not be opened");
}
granularity = input.Arguments.Contains("/l") ? 0 : 2;
granularity = input.Arguments.Contains("/w") ? 1 : granularity;
IWritable outputFile;
if (input.Arguments.Contains("/c"))
{
outputFile = new CSVFile();
}
else if (input.Arguments.Contains("/t"))
{
outputFile = new TSVFile();
}
else
{
outputFile = new TXTFile();
}
outputFile.Create(defaultOutputPath);
List <string> file1Content = file1.Read();
List <string> file2Content = file2.Read();
if (file1Content.SequenceEqual(file2Content))
{
string[] fileContent = outputFile.CreateDiffForFile(granularity, file1.Name, file2.Name);
outputFile.Write(fileContent);
Console.WriteLine("The two files were identical.");
}
else
{
List <Line> lines = file1.FindDifference(file2.Read(), granularity);
string[] fileContent = outputFile.CreateDiffForFile(granularity, file1.Name, file2.Name, lines);
UI.DisplayDiffOutput(lines);
outputFile.Write(fileContent);
}
UI.Break();
Console.WriteLine("A summary file was placed inside:");
Console.WriteLine(defaultOutputPath);
}
else if (input.Command == "inputdir")
{
UI.Break();
defaultInputPath = UI.MakePathLegal(input.Parameters[0]);
Console.WriteLine("The input directory for files has been changed");
}
else if (input.Command == "outputdir")
{
UI.Break();
defaultOutputPath = UI.MakePathLegal(input.Parameters[0]);
Console.WriteLine("The output directory for files has been changed");
}
else if (input.Command == "showinputdir")
{
UI.Break();
Console.WriteLine(defaultInputPath);
}
else if (input.Command == "showoutputdir")
{
UI.Break();
Console.WriteLine(defaultOutputPath);
}
else if (input.Command == "help")
{
UI.Break();
UI.DisplayHelp();
}
else if (input.Command == "quit")
{
stopProgram = true;
}
else
{
UI.Break();
Console.WriteLine("'" + input.Command + "' is not a valid command");
Console.WriteLine("Type 'help' to view all commands");
}
}
}
else
{
UI.Break();
Console.WriteLine(input.Error);
}
}
}
static public UserInput InterpretUserInput(string[] inputArray)
{
UserInput commandStructure = new UserInput();
try
{
if (inputArray[0] == "")
{
commandStructure.CommandIsNull = true;
}
else
{
commandStructure.Command = inputArray[0];
}
}
catch (IndexOutOfRangeException)
{
commandStructure.Error = " ";
}
if (!commandStructure.CommandIsNull)
{
if (commandStructure.Command == "diff")
{
try
{
commandStructure.Parameters = new string[]
{
inputArray[1],
inputArray[2]
};
}
catch (IndexOutOfRangeException)
{
commandStructure.Error = "The 'diff' command accepts a minimum of 2 parameters.";
}
try
{
commandStructure.Arguments = new string[]
{
inputArray[3]
};
}
catch (IndexOutOfRangeException)
{
commandStructure.Arguments = new string[]
{
string.Empty
};
}
}
else if (commandStructure.Command == "inputdir" || commandStructure.Command == "outputdir")
{
try
{
commandStructure.Parameters = new string[]
{
inputArray[1]
};
}
catch (IndexOutOfRangeException)
{
commandStructure.Error = "'" + commandStructure.Command + "' must have at least 1 parameter.";
}
}
else
{
commandStructure.Command = inputArray[0];
}
}
return(commandStructure);
}