private IScriptConstructor GetScriptConstructor(string line)
{
IScriptConstructor constructor = null;
int strength = 0;
foreach (IScriptConstructor c in m_scriptConstructors.Values)
{
if (line.StartsWith(c.Keyword))
{
// The line must start with the script keyword, and then the following
// character must be a non-word character. For example "msgfunction" is not
// a match for "msg".
if (line.Length == c.Keyword.Length || s_nonWordCharacterRegex.IsMatch(line.Substring(c.Keyword.Length)) || c is JSScriptConstructor)
{
if (c.Keyword.Length > strength)
{
constructor = c;
strength = c.Keyword.Length;
}
}
}
}
return(constructor);
}
private void AddConstructor(IScriptConstructor constructor)
{
if (constructor.Keyword != null)
{
m_scriptConstructors.Add(constructor.Keyword, InitScriptConstructor(constructor));
}
}
private void AddConstructor(IScriptConstructor constructor)
{
if (constructor.Keyword != null)
{
m_scriptConstructors.Add(constructor.Keyword, InitScriptConstructor(constructor));
}
}
public LazyLoadScript(ScriptFactory scriptFactory, IScriptConstructor scriptConstructor, string scriptString, ScriptContext scriptContext)
{
m_scriptFactory = scriptFactory;
m_scriptConstructor = scriptConstructor;
m_scriptString = scriptString;
m_scriptContext = scriptContext;
m_worldModel = scriptConstructor.WorldModel;
}
public LazyLoadScript(ScriptFactory scriptFactory, IScriptConstructor scriptConstructor, string scriptString, ScriptContext scriptContext)
{
m_scriptFactory = scriptFactory;
m_scriptConstructor = scriptConstructor;
m_scriptString = scriptString;
m_scriptContext = scriptContext;
m_worldModel = scriptConstructor.WorldModel;
}
public IScript CreateScript(string line, Element proc)
{
string remainingScript;
IScript newScript;
MultiScript result = new MultiScript();
bool finished = false;
IScript lastIf = null;
IScript lastFirstTime = null;
bool dontAdd;
bool addedError;
IfScriptConstructor ifConstructor = null;
line = Utility.RemoveSurroundingBraces(line);
while (!finished)
{
line = Utility.GetScript(line, out remainingScript);
if (line != null)
{
line = line.Trim();
line = Utility.RemoveComments(line);
}
if (!string.IsNullOrEmpty(line))
{
newScript = null;
dontAdd = false;
addedError = false;
if (line.StartsWith("else"))
{
if (lastIf == null)
{
AddError("Unexpected 'else' (error with parent 'if'?):" + line);
}
else
{
if (line.StartsWith("else if"))
{
ifConstructor.AddElseIf(lastIf, line, proc);
}
else
{
ifConstructor.AddElse(lastIf, line, proc);
}
}
dontAdd = true;
}
else if (line.StartsWith("otherwise"))
{
if (lastFirstTime == null)
{
AddError("Unexpected 'otherwise' (error with parent 'firsttime'?):" + line);
}
else
{
FirstTimeScriptConstructor.AddOtherwiseScript(lastFirstTime, line, this);
}
dontAdd = true;
}
else
{
lastIf = null;
IScriptConstructor constructor = GetScriptConstructor(line);
if (constructor != null)
{
try
{
newScript = constructor.Create(line, proc);
if (constructor.Keyword == "if")
{
ifConstructor = (IfScriptConstructor)constructor;
lastIf = newScript;
}
if (constructor.Keyword == "firsttime")
{
lastFirstTime = newScript;
}
}
catch (Exception ex)
{
AddError(string.Format("Error adding script '{0}': {1}", line, ex.Message));
addedError = true;
}
}
if (newScript == null)
{
// See if the script is like "myvar = 2". newScript will be null otherwise.
newScript = m_setConstructor.Create(line, proc);
}
if (newScript == null)
{
// See if the script calls a procedure defined by the game
newScript = m_procConstructor.Create(line, proc);
}
}
if (!dontAdd)
{
if (newScript == null)
{
if (!addedError)
{
AddError(string.Format("Unrecognised script command '{0}'", line));
}
}
else
{
newScript.Line = line;
result.Add(newScript);
}
}
}
line = remainingScript;
if (string.IsNullOrEmpty(line))
{
finished = true;
}
}
return(result);
}
private IScriptConstructor InitScriptConstructor(IScriptConstructor constructor)
{
constructor.GameLoader = m_gameLoader;
constructor.ScriptFactory = this;
return(constructor);
}
private IScriptConstructor InitScriptConstructor(IScriptConstructor constructor)
{
constructor.WorldModel = m_worldModel;
constructor.ScriptFactory = this;
return constructor;
}
private IScriptConstructor InitScriptConstructor(IScriptConstructor constructor)
{
constructor.GameLoader = m_gameLoader;
constructor.ScriptFactory = this;
return constructor;
}
public IScript CreateScript(string line, ScriptContext scriptContext, bool lazy, bool addExceptionsToLog = true)
{
MultiScript result = new MultiScript(m_worldModel);
bool finished = false;
IScript lastIf = null;
IScript lastComment = null;
IScript lastFirstTime = null;
IfScriptConstructor ifConstructor = null;
if (lazy)
{
return(new LazyLoadScript(this, line, scriptContext));
}
line = Utility.RemoveSurroundingBraces(line);
line = Utility.RemoveComments(line, m_worldModel.EditMode);
while (!finished)
{
string remainingScript;
try
{
line = Utility.GetScript(line, out remainingScript);
}
catch (Exception ex)
{
if (addExceptionsToLog)
{
AddError(string.Format("Error adding script '{0}': {1}", line, ex.Message));
break;
}
throw;
}
if (line != null)
{
line = line.Trim();
}
if (!string.IsNullOrEmpty(line))
{
IScript newScript = null;
bool dontAdd = false;
bool addedError = false;
if (line.StartsWith("else"))
{
if (lastIf == null)
{
AddError("Unexpected 'else' (error with parent 'if'?):" + line);
}
else
{
if (line.StartsWith("else if"))
{
ifConstructor.AddElseIf(lastIf, line, scriptContext);
}
else
{
ifConstructor.AddElse(lastIf, line, scriptContext);
}
}
dontAdd = true;
}
else if (line.StartsWith("otherwise"))
{
if (lastFirstTime == null)
{
AddError("Unexpected 'otherwise' (error with parent 'firsttime'?):" + line);
}
else
{
FirstTimeScriptConstructor.AddOtherwiseScript(lastFirstTime, line, this);
}
dontAdd = true;
}
else
{
IScriptConstructor constructor = GetScriptConstructor(line);
if (constructor is CommentScriptConstructor)
{
if (lastComment != null)
{
((CommentScript)lastComment).AddLine(line);
dontAdd = true;
}
else
{
newScript = constructor.Create(line, scriptContext);
lastComment = newScript;
}
}
else
{
lastIf = null;
lastComment = null;
lastFirstTime = null;
if (constructor != null)
{
try
{
if (m_lazyLoadingEnabled)
{
newScript = new LazyLoadScript(this, constructor, line, scriptContext);
}
else
{
newScript = constructor.Create(line, scriptContext);
}
if (constructor.Keyword == "if")
{
ifConstructor = (IfScriptConstructor)constructor;
lastIf = newScript;
}
if (constructor.Keyword == "firsttime")
{
lastFirstTime = newScript;
}
}
catch (Ciloci.Flee.ExpressionCompileException ex)
{
AddError(string.Format("Error compiling expression in '{0}': {1}", line, ex.Message));
addedError = true;
}
catch (Exception ex)
{
AddError(string.Format("Error adding script '{0}': {1}", line, ex.Message));
addedError = true;
}
}
if (!addedError)
{
if (newScript == null)
{
// See if the script is like "myvar = 2". newScript will be null otherwise.
newScript = m_setConstructor.Create(line, scriptContext);
}
if (newScript == null)
{
// See if the script calls a procedure defined by the game
newScript = m_procConstructor.Create(line, scriptContext);
}
}
}
}
if (!dontAdd && !addedError)
{
if (newScript == null)
{
AddError(string.Format("Unrecognised script command '{0}'", line));
}
else
{
if (!m_lazyLoadingEnabled)
{
newScript.Line = line;
}
result.Add(newScript);
}
}
}
line = remainingScript;
if (string.IsNullOrEmpty(line))
{
finished = true;
}
}
return(result);
}
private IScriptConstructor InitScriptConstructor(IScriptConstructor constructor)
{
constructor.WorldModel = m_worldModel;
constructor.ScriptFactory = this;
return(constructor);
}