// Program boot -- displays a welcome message and enters the user input loop
public static void Main()
{
Console.Clear();
CrammerIO.LoadStudysets();
CrammerIO.Write("&wWelcome to &bCrammer&w [Version &" + buildColorCharacter + buildName + "." + buildVersion + "&w]\nCreated by Stefan deBruyn\n\n");
instance.Run();
}
// Returns whether or not the number of parameters entered is valid for a specific usage. If it isn't, the usage
// is printed
private static bool VerifyUsage(string[] entry, string[] usage)
{
if (entry.Length != usage.Length)
{
CrammerIO.WriteGutter("&rImproper syntax; try " + string.Join(" ", usage));
return(false);
}
return(true);
}
// User input loop preceded by a help message and broken by entering the command "exit"
public void Run()
{
CrammerIO.Write("&lType \"?\" for help.&w\n\n");
string input;
do
{
CrammerIO.Write("> ");
input = Console.ReadLine();
Command.Enter(Regex.Split(input.TrimEnd('\r', '\n'), @"\s+"));
} while (input != "exit");
}
// Takes command entries in array form, where the first index is the command keyword and the following indices
// are any parameters
public static void Enter(string[] entry)
{
try {
if (!VerifyUsage(entry, commandDirectory[entry[0]].usage))
{
return;
}
} catch (KeyNotFoundException) {
CrammerIO.WriteGutter("&rCommand not recognized.");
return;
}
// Scratch references used in multiple cases
Studyset sourceSet;
string input = "";
bool success;
switch (entry[0])
{
// ? - help command
case "?":
foreach (string str in commandDirectory.Keys.ToList())
{
CrammerIO.Write("&y" + string.Join(" ", commandDirectory[str].usage) + " - " + commandDirectory[str].help + "\n");
}
CrammerIO.Write("\n");
break;
// new - create a new studyset
case "new":
// Verify new studyset name availability
success = true;
foreach (Studyset set in CrammerDB.studysets)
{
if (set.name == entry[1])
{
success = false;
CrammerIO.WriteGutter("&rThat name is already in use!");
break;
}
}
if (!success)
{
break;
}
// Add terms to new studyset
Studyset newSet = new Studyset(entry[1]);
CrammerIO.WriteGutter("&c" + entry[1] + " studyset created.&w Now it needs some contents.\n" +
"&yAdd notecards by entering \"<term> - <definition>\". Enter \"done\" when finished.");
do
{
input = Console.ReadLine();
if (input.ToLower() != "done")
{
// Enforce syntax
if (!input.Contains("-"))
{
CrammerIO.Write("&rImproper syntax; try <term> - <definition>\n");
continue;
}
// Syntax was OK--add new notecard
string term = input.Substring(0, input.IndexOf("-")).Trim();
string def = input.Substring(input.IndexOf("-") + 1, input.Length - input.IndexOf("-") - 1).Trim();
newSet.AddTerm(term, def);
CrammerIO.Write("&cAdded " + term + ".\n");
}
} while (input.ToLower() != "done");
CrammerDB.AddStudyset(newSet);
CrammerIO.SaveStudysets();
CrammerIO.WriteGutter("\n&c" + newSet.GetLength() + " notecards added to " + newSet.name + ".");
break;
// study - study terms from a studyset
case "study":
// Verify that the studyset specified for studying exists
sourceSet = null;
success = false;
foreach (Studyset set in CrammerDB.studysets)
{
if (set.name == entry[1])
{
sourceSet = set;
success = true;
break;
}
}
if (!success)
{
CrammerIO.WriteGutter("&rStudyset not found.");
break;
}
// Verify that the specified studyset has contents
if (sourceSet.GetLength() == 0)
{
CrammerIO.WriteGutter("&rThat studyset has no notecards.");
break;
}
// Begin studying
Console.Clear();
CrammerIO.WriteGutter("&cOpened " + entry[1] + " for studying.\n" +
"&yEnter \"done\" when finished.");
List <Notecard> pool = sourceSet.CloneTerms();
do
{
if (input.ToLower() != "done")
{
// Display a random notecard and remove it from the pool
Notecard note = pool[new Random().Next(pool.Count)];
pool.Remove(note);
CrammerIO.Write("&c" + note.term + " ");
// If the pool is empty, refill it
if (pool.Count == 0)
{
pool = sourceSet.CloneTerms();
}
// Wait for user to continue
input = Console.ReadLine();
// Display the answer
if (input.ToLower() != "done")
{
string defCol = input == note.definition ? "l" : "w";
CrammerIO.Write(" &l> &" + defCol + note.definition + "\n");
}
}
} while (input != "done");
CrammerIO.Write("\n");
break;
// edit - edit a studyset
case "edit":
// Verify that the specified studyset exists
sourceSet = null;
success = false;
foreach (Studyset set in CrammerDB.studysets)
{
if (set.name == entry[1])
{
sourceSet = set;
success = true;
break;
}
}
if (!success)
{
CrammerIO.WriteGutter("&rStudyset not found.");
break;
}
// Enter studyset editor
CrammerIO.WriteGutter("&cOpened " + entry[1] + " for editing.\n" +
"&yEnter \"add <term> - <definition>\" to add a notecard, or \"remove <term>\" to delete one. Return with \"done\".");
do
{
input = Console.ReadLine();
if (input != "done")
{
string[] inputEntry = Regex.Split(input.TrimEnd('\r', '\n'), @"\s+");
// Add notecard to pre-existing studyset
if (inputEntry[0] == "add")
{
// Enforce syntax
if (inputEntry.Length < 4)
{
CrammerIO.Write("&rImproper syntax; try add <term> - <definition>\n");
continue;
}
// Syntax was OK -- add new notecard
string flatParing = "";
for (int i = 1; i < inputEntry.Length; i++)
{
flatParing += inputEntry[i] + " ";
}
string newTerm = flatParing.Substring(0, flatParing.IndexOf("-")).Trim();
string newDef = flatParing.Substring(flatParing.IndexOf("-") + 1, flatParing.Length - flatParing.IndexOf("-") - 1).Trim();
sourceSet.AddTerm(newTerm, newDef);
CrammerIO.Write("&cAdded " + newTerm + ".\n");
// Remove notecard from pre-existing studyset
}
else if (inputEntry[0] == "remove")
{
// Enforce syntax
if (inputEntry.Length < 2)
{
CrammerIO.Write("&rImproper syntax; try remove <term>\n");
continue;
}
// Verify that the specified notecard exists
success = false;
string flatName = "";
for (int i = 1; i < inputEntry.Length; i++)
{
flatName += inputEntry[i] + " ";
}
flatName = flatName.Trim();
foreach (Notecard n in sourceSet.GetTerms())
{
if (n.term == flatName)
{
success = true;
break;
}
}
if (!success)
{
CrammerIO.Write("&rNotecard not found.\n");
continue;
}
// Remove specified notecard from the list
sourceSet.RemoveTerm(flatName);
CrammerIO.Write("&rRemoved " + flatName + ".\n");
// Studyset editor command not found
}
else
{
CrammerIO.Write("&rCommand not found.\n");
}
}
} while (input != "done");
CrammerIO.SaveStudysets();
CrammerIO.WriteGutter("\n&cChanges saved.");
break;
// list - view a studyset
case "list":
// Verify that the specified studyset exists
sourceSet = null;
success = false;
foreach (Studyset set in CrammerDB.studysets)
{
if (set.name == entry[1])
{
sourceSet = set;
success = true;
break;
}
}
if (!success)
{
CrammerIO.WriteGutter("&rStudyset not found.");
break;
}
// Verify that the specified studyset for listing has contents
if (sourceSet.GetLength() == 0)
{
CrammerIO.WriteGutter("&rThat studyset has no notecards.");
break;
}
// List notecards
foreach (Notecard n in sourceSet.GetTerms())
{
CrammerIO.Write("&b" + n.term + "&c - &w" + n.definition + "\n");
}
CrammerIO.Write("\n");
break;
// sets - list all studyset names
case "sets":
// Verify that there are any studysets
if (CrammerDB.studysets.Count == 0)
{
CrammerIO.WriteGutter("&rYou have no studysets.");
break;
}
// Print all studyset names
foreach (Studyset set in CrammerDB.studysets)
{
CrammerIO.Write("&c" + set.name + "\n");
}
CrammerIO.Write("\n");
break;
}
}