public Analogy GetNext()
{
Analogy analogy; // Holds a deep copy
Analogy analogy_ref; // Holds reference to the object
ArrayListIndicesRandom indices = null;
int new_right = 0;
bool localized = true;
List.TryGetValue(Variant, out analogy_ref);
analogy = analogy_ref.Copy();
if (analogy.answers != null) // Randomize answers order
{
string [] answers;
indices = new ArrayListIndicesRandom(analogy.answers.Length);
answers = new string [analogy.answers.Length];
indices.Initialize();
for (int i = 0; i < indices.Count; i++)
{
if (GetText.StringExists(analogy.answers [indices[i]]) == false)
{
localized = false;
}
answers [i] = Translations.GetString(analogy.answers [indices[i]]);
if (indices[i] == analogy.right)
{
new_right = i;
}
}
analogy.right = new_right;
analogy.answers = answers;
}
if ((GetText.StringExists(analogy.question) == false) ||
(String.IsNullOrEmpty(analogy.tip) == false && GetText.StringExists(analogy.tip) == false) ||
(String.IsNullOrEmpty(analogy.rationale) == false && GetText.StringExists(analogy.rationale) == false))
{
localized = false;
}
if (localized == true)
{
analogy.question = Translations.GetString(analogy.question);
if (String.IsNullOrEmpty(analogy.tip) == false)
{
analogy.tip = Translations.GetString(analogy.tip);
}
if (String.IsNullOrEmpty(analogy.rationale) == false)
{
analogy.rationale = Translations.GetString(analogy.rationale);
}
}
else
{
// Get analogy again
List.TryGetValue(Variant, out analogy_ref);
analogy = analogy_ref.Copy();
if (analogy.answers != null) // Randomize answers order
{
string [] answers;
answers = new string [analogy.answers.Length];
for (int i = 0; i < indices.Count; i++)
{
answers [i] = analogy.answers [indices[i]];
}
analogy.right = new_right;
analogy.answers = answers;
}
}
return(analogy);
}
public void Read(string file)
{
GameXmlDefinition game;
string name, str, plural;
bool processing_variant = false;
int variant = 0;
OptionDrawingObject option = null;
DrawingObject last_drawing_object = null;
string last_context = null;
if (read == true)
{
return;
}
try
{
StreamReader stream = new StreamReader(file);
XmlTextReaderLiteral reader = new XmlTextReaderLiteral(stream);
game = null;
while (reader.Read())
{
// Strings are only used because msgctxt requirement
if (reader.NodeType == XmlNodeType.Text)
{
const string CONTEXT_GLUE = "\u0004";
string text;
text = reader.ReadString();
TextDrawingObject drawing_object = (TextDrawingObject)last_drawing_object;
// GetText processes msgctxt as msgctxt + context_glue + text to retrieve them
drawing_object.Text = last_context + CONTEXT_GLUE + text;
// If the string does not exits, return regular English string without context
if (GetText.StringExists(drawing_object.Text) == false)
{
drawing_object.Text = text;
}
continue;
}
name = reader.Name.ToLower();
switch (name)
{
case "games":
break;
case "type":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
game.Type = GameTypesDescription.FromString(reader.ReadElementString());
break;
case "game":
if (reader.NodeType == XmlNodeType.Element)
{
game = new GameXmlDefinition();
}
else if (reader.NodeType == XmlNodeType.EndElement)
{
games.Add(game);
}
break;
case "_name":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
game.Name = reader.ReadElementString();
break;
case "difficulty":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
str = reader.ReadElementString();
game.Difficulty = GameDifficultyDescription.FromString(str);
break;
case "svg":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
ImageDrawingObject draw_image = new ImageDrawingObject();
if (processing_variant)
{
game.Variants[variant].AddDrawingObject(draw_image);
}
else
{
game.AddDrawingObject(draw_image);
}
draw_image.Filename = reader.GetAttribute("file");
str = reader.GetAttribute("x");
if (String.IsNullOrEmpty(str) == false)
{
draw_image.X = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_image.X = 0.1;
}
str = reader.GetAttribute("y");
if (String.IsNullOrEmpty(str) == false)
{
draw_image.Y = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_image.Y = 0.1;
}
str = reader.GetAttribute("width");
if (String.IsNullOrEmpty(str) == false)
{
draw_image.Width = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_image.Width = 0.8;
}
str = reader.GetAttribute("height");
if (String.IsNullOrEmpty(str) == false)
{
draw_image.Height = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_image.Height = 0.8;
}
break;
case "string":
case "_string":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
TextDrawingObject draw_string = new TextDrawingObject();
last_drawing_object = draw_string;
if (option != null)
{
option.AddDrawingObject(draw_string);
}
else
{
if (processing_variant)
{
game.Variants[variant].AddDrawingObject(draw_string);
}
else
{
game.AddDrawingObject(draw_string);
}
}
last_context = reader.GetAttribute("msgctxt");
draw_string.Text = reader.GetAttribute("text");
if (String.IsNullOrEmpty(draw_string.Text))
{
draw_string.Text = reader.GetAttribute("_text");
}
str = reader.GetAttribute("x");
if (String.IsNullOrEmpty(str) == false)
{
draw_string.X = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_string.X = 0.1;
}
str = reader.GetAttribute("y");
if (String.IsNullOrEmpty(str) == false)
{
draw_string.Y = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
draw_string.Y = 0.1;
}
str = reader.GetAttribute("centered");
if (String.Compare(str, "yes", true) == 0)
{
draw_string.Centered = true;
}
else
{
draw_string.Centered = false;
}
str = reader.GetAttribute("size");
if (String.IsNullOrEmpty(str) == false)
{
switch (str.ToLower())
{
case "small":
draw_string.Size = TextDrawingObject.Sizes.Small;
break;
case "medium":
draw_string.Size = TextDrawingObject.Sizes.Medium;
break;
case "large":
draw_string.Size = TextDrawingObject.Sizes.Large;
break;
case "x-large":
draw_string.Size = TextDrawingObject.Sizes.XLarge;
break;
case "xx-large":
draw_string.Size = TextDrawingObject.Sizes.XXLarge;
break;
default:
Console.WriteLine("GameXmlFactory. Unsupported value for size attribute: {0}", str);
break;
}
}
break;
case "_question":
case "question":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
// Create object if needed
if (processing_variant)
{
if (game.Variants[variant].Question == null)
{
game.Variants[variant].Question = new LocalizableString();
}
}
else
{
if (game.Question == null)
{
game.Question = new LocalizableString();
}
}
plural = reader.GetAttribute("plural");
if (String.IsNullOrEmpty(plural) == false) // Plural
{
if (processing_variant)
{
game.Variants[variant].Question.PluralString = reader.ReadElementStringAsItIs();
game.Variants[variant].Question.Value = plural;
}
else
{
game.Question.PluralString = reader.ReadElementStringAsItIs();
game.Question.Value = plural;
}
}
else
{
if (processing_variant)
{
game.Variants[variant].Question.String = reader.ReadElementStringAsItIs();
}
else
{
game.Question.String = reader.ReadElementStringAsItIs();
}
}
break;
case "rationale":
case "_rationale":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
// Create object if needed
if (processing_variant)
{
if (game.Variants[variant].Rationale == null)
{
game.Variants[variant].Rationale = new LocalizableString();
}
}
else
{
if (game.Rationale == null)
{
game.Rationale = new LocalizableString();
}
}
plural = reader.GetAttribute("plural");
if (String.IsNullOrEmpty(plural) == false) // Plural
{
if (processing_variant)
{
game.Variants[variant].Rationale.PluralString = reader.ReadElementStringAsItIs();
game.Variants[variant].Rationale.Value = plural;
}
else
{
game.Rationale.PluralString = reader.ReadElementStringAsItIs();
game.Rationale.Value = plural;
}
}
else
{
if (processing_variant)
{
game.Variants[variant].Rationale.String = reader.ReadElementStringAsItIs();
}
else
{
game.Rationale.String = reader.ReadElementStringAsItIs();
}
}
break;
case "answer":
case "_answer":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].AnswerText = reader.ReadElementString();
}
else
{
game.AnswerText = reader.ReadElementString();
}
break;
case "_answer_show":
case "answer_show":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].AnswerShow = reader.ReadElementString();
}
else
{
game.AnswerShow = reader.ReadElementString();
}
break;
case "answer_expression":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].AnswerCheckExpression = reader.ReadElementString();
}
else
{
game.AnswerCheckExpression = reader.ReadElementString();
}
break;
case "answer_checkattributes":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].CheckAttributes = GameAnswerCheckAttributesDescription.FromString(reader.ReadElementString());
}
else
{
game.CheckAttributes = GameAnswerCheckAttributesDescription.FromString(reader.ReadElementString());
}
break;
case "_tip":
if (reader.NodeType != XmlNodeType.Element)
{
break;
}
if (processing_variant)
{
game.Variants[variant].Tip = reader.ReadElementStringAsItIs();
}
else
{
game.Tip = reader.ReadElementStringAsItIs();
}
break;
case "variant":
if (reader.NodeType == XmlNodeType.Element)
{
game.NewVariant();
variant = game.Variants.Count - 1;
processing_variant = true;
}
else if (reader.NodeType == XmlNodeType.EndElement)
{
processing_variant = false;
}
break;
case "variables":
if (processing_variant)
{
game.Variants[variant].Variables = reader.ReadElementString();
}
else
{
game.Variables = reader.ReadElementString();
}
break;
case "option":
switch (reader.NodeType)
{
case XmlNodeType.Element:
option = new OptionDrawingObject();
break;
case XmlNodeType.EndElement:
if (String.IsNullOrEmpty(option.AnswerText) && option.RandomizedOrder == false)
{
throw new InvalidOperationException("If the option is not randomized, you need to define an answer");
}
option = null;
break;
default: // Do any processing
break;
}
if (option == null)
{
break;
}
if (processing_variant)
{
game.Variants[variant].AddDrawingObject(option);
}
else
{
game.AddDrawingObject(option);
}
option.AnswerText = reader.GetAttribute("answer");
if (String.IsNullOrEmpty(option.AnswerText))
{
option.AnswerText = reader.GetAttribute("_answer");
}
str = reader.GetAttribute("x");
if (String.IsNullOrEmpty(str) == false)
{
option.X = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
option.X = 0.1;
}
str = reader.GetAttribute("y");
if (String.IsNullOrEmpty(str) == false)
{
option.Y = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
option.Y = 0.1;
}
str = reader.GetAttribute("width");
if (String.IsNullOrEmpty(str) == false)
{
option.Width = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
option.Width = 0.1;
}
str = reader.GetAttribute("height");
if (String.IsNullOrEmpty(str) == false)
{
option.Height = Double.Parse(str, CultureInfo.InvariantCulture);
}
else
{
option.Height = 0.1;
}
str = reader.GetAttribute("order");
if (String.IsNullOrEmpty(str) == false)
{
option.RandomizedOrder = true;
}
str = reader.GetAttribute("correct");
if (String.Compare(str, "yes", true) == 0)
{
option.Correct = true;
}
if (option.X + option.Width > 1 || option.Y + option.Height > 1)
{
Console.WriteLine("GameXmlFactory. Wrong option size. x+width and y+height cannot be larger than 1");
}
break;
default:
if (String.IsNullOrEmpty(name) == false)
{
Console.WriteLine("GameXmlFactory. Unsupported tag: {0}", name);
}
break;
}
}
reader.Close();
stream.Dispose();
read = true;
GameXml.Definitions = games;
}
catch (Exception e)
{
read = true;
Console.WriteLine("GameXmlFactory. Error loading: {0}", e.Message);
}
}