/// <summary>
/// Removes event from list
/// </summary>
/// <param name="ev"></param>
public TSelf RemoveEvent(SpellieEvent ev)
{
_events.Remove(ev);
return((TSelf)this);
}
/// <inheritdoc />
public ISpellieElement AddEventBase(SpellieEvent ev)
{
AddEvent(ev);
return(this);
}
/// <summary>
/// Adds event to list
/// </summary>
/// <param name="ev"></param>
public TSelf AddEvent(SpellieEvent ev)
{
_events.Add(ev);
return((TSelf)this);
}
/// <summary>
/// Parses spell from ISL code
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public static Spell ParseSpell(string code)
{
var lineNo = 0;
Initialize();
// Result
ISpellieElement parsedData = null;
// Last parsed object, stores objects in memory
var lastObject = new List <object>();
var lastSpaces = -1;
var wasOpening = false;
// For all lines in code
foreach (var v in code.Split('\n'))
{
lineNo++;
var line = v;
var amoSpaces = 0;
while (line.StartsWith(" "))
{
line = line.Remove(0, 1);
amoSpaces++;
}
if (logEnabled)
{
Debug.Log("[SpellieParser] Parsing: " + line);
}
// Remove objects that has been ended
while (
(amoSpaces < lastSpaces && !wasOpening) ||
(amoSpaces <= lastSpaces && wasOpening)
)
{
// Get last object
var l = lastObject[lastObject.Count - 1];
if (l is ISpellieElement)
{
// Invoke init method for ISpellieElement
l.GetType().GetMethod("Init")?.Invoke(l, null);
}
else if (l is IMovementType)
{
// Invoke build method for IMovementType
l.GetType().GetMethod("Build").Invoke(l, null);
}
else if (l is SpellieEvent)
{
l.GetType().GetMethod("Init").Invoke(l, null);
}
// Remove last object
lastObject.RemoveAt(lastObject.Count - 1);
lastSpaces--;
}
// Ignore empty lines
if (string.IsNullOrEmpty(line))
{
continue;
}
// Split line into data and params
var split = line.Split(':');
// Get command
var command = split[0];
command = command.Trim(' ', '\r');
var data = "";
if (split.Length > 1)
{
data = split[1];
data = data.Trim('\"', '\r');
}
if (logEnabled)
{
Debug.Log("[SpellieParser] Command: \"" + command + "\" with data: \"" + data + "\"");
}
// Get param (SSL is single-param based)
var param = data.Replace(" ", "");
// Parse Spell Elements
try
{
var spellieElement = knownSpellElements.FirstOrDefault(element => element.Key == command).Value;
if (spellieElement != null)
{
//var element = Activator.CreateInstance(spellieElement);
var builder = spellieElement.GetMethod("New")?.Invoke(null, new object[] { });
if (lastObject.Count > 0)
{
var lObj = lastObject[lastObject.Count - 1];
// Check if is SpellieElement
if (builder is ISpellieElement o)
{
// Check if assigning against event
if (lObj is SpellieEvent sEvent)
{
sEvent.AddElement(o);
if (logEnabled)
{
Debug.Log("[SpellieParser] Adding element " + o.GetType() + " as result of event " +
sEvent.name);
}
}
else
{
throw new SyntaxErrorException(
"[Spellie] That is not valid. You can assign Spellie Elements on events (only).");
}
// ISpellieElement
lastObject.Add(o);
}
else
{
throw new SyntaxErrorException("[Spellie] That is not a ISpellieElement. " +
"Something went really wrong. " +
"Have you assigned [SpellieElement] to non-element class? Line: " +
lineNo);
}
}
else
{
// Check if is SpellieElement
if (builder is ISpellieElement o)
{
parsedData = builder as ISpellieElement;
if (logEnabled)
{
Debug.Log("[SpellieParser] Assigning element " + o.GetType() + " as spell base");
}
}
else
{
throw new SyntaxErrorException(
"[Spellie] That is not valid. You need to begin spell using ISpellieElement like CastedElement.");
}
// ISpellieElement
lastObject.Add(o);
}
wasOpening = true;
goto end;
}
}
catch (Exception ex)
{
Debug.LogError(ex);
// Do nothing :)
}
// Parse spell movements
if (command == "movement")
{
try
{
var spellieMovement = knownMovements.FirstOrDefault(element => element.Key == param).Value;
if (spellieMovement != null)
{
//var element = Activator.CreateInstance(spellieMovement);
var builder = spellieMovement.GetMethod("New")?.Invoke(null, new object[] { });
var lObj = lastObject[lastObject.Count - 1];
if (logEnabled)
{
Debug.Log("[SpellieParser] Assigning movement of type " + builder?.GetType() + " to " +
lObj.GetType());
}
if (lObj is ISpellieElement)
{
(lObj as MetaObject)?.Set("movement", builder);
}
else
{
throw new SyntaxErrorException(
"[Spellie] Movement types can be assigned only on ISpellieElement Meta-Objects. Line: " +
lineNo);
}
// IMovementType
lastObject.Add(builder);
wasOpening = true;
goto end;
}
}
catch (Exception ex)
{
// Nothing
Debug.LogError(ex);
}
}
// Parse attributes
var currentObject = lastObject[lastObject.Count - 1];
if (!command.StartsWith("on"))
{
var fields = currentObject.GetType().GetFields()
.Where(f => f.GetCustomAttributes(typeof(SpelliePropertyAttribute), true).Length > 0);
var field = fields.FirstOrDefault(f =>
(f.GetCustomAttributes(typeof(SpelliePropertyAttribute), true)[0] as SpelliePropertyAttribute)
?.Name == command);
if (field != null)
{
var type = field.FieldType;
// Trim triangle from object definitions
if (command == "object")
{
param = param.Trim('<', '>');
}
var value = Utility.FromString(param, type);
(currentObject as MetaObject)?.Set(command, value);
if (logEnabled)
{
Debug.Log("[SpellieParser] Setting meta-object value of " + command + "(" + type + ") to " + value);
}
//field.SetValue(currentObject, );
}
else
{
throw new SyntaxErrorException("[Spellie] Property is not valid [" + command + "] on [" + currentObject.GetType() + "]. Line: " + lineNo);
}
wasOpening = false;
}
else
{
var e = new SpellieEvent();
e.name = command;
// Add event to SpellieElement
if (lastObject.Count <= 0)
{
throw new SyntaxErrorException("[Spellie] Base command of spell should be ISpellieElement-related.");
}
var lObj = lastObject[lastObject.Count - 1];
if (lObj is ISpellieElement)
{
// Add event to spellie element
(lObj as ISpellieElement)?.AddEventBase(e);
}
else
{
Debug.LogError("Errored on line: " + line);
throw new SyntaxErrorException("[Spellie] Events can be added only onto ISpellieElement");
}
// Register event as last object
lastObject.Add(e);
wasOpening = true;
}
end:
lastSpaces = amoSpaces;
}
// Initialize rest of objects :)
while (lastObject.Count > 0)
{
// Get last object
var l = lastObject[lastObject.Count - 1];
if (l is ISpellieElement)
{
// Invoke init method for ISpellieElement
l.GetType().GetMethod("Init")?.Invoke(l, null);
}
else if (l is IMovementType)
{
// Invoke build method for IMovementType
l.GetType().GetMethod("Build").Invoke(l, null);
}
else if (l is SpellieEvent)
{
l.GetType().GetMethod("Init").Invoke(l, null);
}
// Remove last object
lastObject.RemoveAt(lastObject.Count - 1);
}
// Build parsed spell
var spell = new Spell().WithName("Spellie::ParsedSpell")
.WithCastElement(parsedData);
return(spell);
}
