/// <summary>
/// Interprets a given <see cref="Sentence"/>. Initiates game model manipulation.
/// </summary>
/// <param name="sentence">The <see cref="Sentence"/> to interpret.</param>
public static void Interpret(Sentence sentence)
{
if (sentence == null)
{
throw new ArgumentNullException(nameof(sentence));
}
// iterate through each top level node in sentence
for (int i = 0; i < sentence.Length; i++)
{
// Conjunction
if (sentence[i] is ConjunctionNode)
{
continue;
}
// Command
else if (sentence[i] is CommandNode command)
{
command.Delegate();
}
// Verb
else if (sentence[i] is VerbNode verb)
{
foreach (VerbUsage syntax in verb.Usages)
{
}
// new verb logic here: check each word against all syntaxes in syntaxList, if end of a syntax is reached, it is potentially correct, if a word does not
// match, throw syntax out. Once all syntaxes have been checked: if there are no potentialy correct syntaxes, use the current word in the error message.
// Otherwise, go with the longest potentially correct syntax. Only go with an empty syntax if all other syntaxes were thrown out on the first check,
// and throw all pending syntaxes out if the end of the sentence is reached (unless the end of the syntax is reached at the same time).
}
// Unknown
else if (sentence[i] is UnknownNode)
{
ConsoleGUI.Print("I don't understand the word \"" + sentence[i].OrigWord + ".\"");
return;
}
// anything else
else
{
ConsoleGUI.Print("You lost me at \"" + sentence[i].OrigWord + ".\"");
return;
}
}
}
/// <summary>
/// Run the game.
/// </summary>
/// <param name="args"></param>
public static void Run(string[] args)
{
ConsoleGUI.Setup();
Glossary glossary = Load.BuildGlossary();
while (true)
{
Sentence sentence = Sentence.Parse(ConsoleGUI.GetPlayerInput(), glossary, out string errorMessage);
if (errorMessage != null)
{
ConsoleGUI.Print(errorMessage);
}
else
{
Sentence.Interpret(sentence);
}
}
}
