private Step ParseName(MethodHelper method, char c)
{
if (c == '(') {
return Step.Params;
} else {
method.Name.Append(c);
return Step.Name;
}
}
private Step ParseBody(MethodHelper method, char c)
{
if (c == '{') brackets++;
if (c == '}') {
brackets--;
if (brackets == 0) return Step.End;
}
method.Body.Append(c);
return Step.Body;
}
private Step ParseChar(MethodHelper method, Step step, char c)
{
switch (step) {
case Step.Return:
return ParseReturn(method, c);
case Step.Name:
return ParseName(method, c);
case Step.Params:
return ParseParams(method, c);
case Step.Body:
default:
return ParseBody(method, c);
}
}
public string Parse(IParsedObject parent, ref System.IO.StreamReader file, params object[] parts)
{
if (!(parent is CrakeFile)) throw new SyntaxErrorException();
var method = new MethodHelper();
var text = (string)parts[0];
var step = Step.Return;
do {
foreach (var c in text.ToCharArray()) {
step = ParseChar(method, step, c);
}
} while (null != (text = file.ReadLine()));
return null;
}
private Step ParseReturn(MethodHelper method, char c)
{
if (c == ' ' || c == '\t' || c == '\r' || c == '\n') {
return Step.Name;
} else {
method.Return.Append(c);
return Step.Return;
}
}
private Step ParseParams(MethodHelper method, char c)
{
if (c == ')') {
brackets = 0;
return Step.Body;
} else {
method.Params.Append(c);
return Step.Params;
}
}
private void ResolveCalls(CrakeFile crakeFile, MethodHelper method)
{
foreach (var task in crakeFile.Tasks) {
task.Body = Regex.Replace(task.Body, string.Format("\\b{0}\\s*\\(", method.Name), "HelperMethods.$0", RegexOptions.Multiline);
}
var body = method.Body.ToString();
method.Body.Remove(0, method.Body.Length);
method.Body.Append(Regex.Replace(body, "\\bPARAMS\\s*\\[[^\\]]+\\]", "CrakeParameters.$0", RegexOptions.Multiline));
}