public virtual EnumCollection ReadEnums(StreamReader specFile)
{
Trace.WriteLine("Reading opengl enumerant specs.");
Trace.Indent();
EnumCollection enums = new EnumCollection();
// complete_enum contains all opengl enumerants.
Enum complete_enum = new Enum();
complete_enum.Name = Settings.CompleteEnumName;
do
{
string line = NextValidLine(specFile);
if (String.IsNullOrEmpty(line))
break;
line = line.Replace('\t', ' ');
// We just encountered the start of a new enumerant:
while (!String.IsNullOrEmpty(line) && line.Contains("enum"))
{
string[] words = line.Split(Utilities.Separators, StringSplitOptions.RemoveEmptyEntries);
if (words.Length == 0)
continue;
// Declare a new enumerant
Enum e = new Enum();
e.Name = Char.IsDigit(words[0][0]) ? Settings.ConstantPrefix + words[0] : words[0];
// And fill in the values for this enumerant
do
{
line = NextValidLine(specFile);
if (String.IsNullOrEmpty(line) || line.StartsWith("#"))
continue;
if (line.Contains("enum:") || specFile.EndOfStream)
break;
line = line.Replace('\t', ' ');
words = line.Split(Utilities.Separators, StringSplitOptions.RemoveEmptyEntries);
if (words.Length == 0)
continue;
// If we reach this point, we have found a new value for the current enumerant
Constant c = new Constant();
if (line.Contains("="))
{
// Trim the name's prefix, but only if not in Tao compat mode.
if (Settings.Compatibility == Settings.Legacy.Tao)
{
}
else
{
if (words[0].StartsWith(Settings.ConstantPrefix))
words[0] = words[0].Substring(Settings.ConstantPrefix.Length);
if (Char.IsDigit(words[0][0]))
words[0] = Settings.ConstantPrefix + words[0];
}
c.Name = words[0];
c.Value = words[2];
}
else if (words[0] == "use")
{
// Trim the prefix.
if (words[2].StartsWith(Settings.ConstantPrefix))
words[2] = words[2].Substring(Settings.ConstantPrefix.Length);
// If the remaining string starts with a digit, we were wrong above.
// Re-add the "GL_"
if (Char.IsDigit(words[2][0]))
words[2] = Settings.ConstantPrefix + words[2];
c.Name = words[2];
c.Reference = words[1];
c.Value = words[2];
}
else
{
// Typical cause is hand-editing the specs and forgetting to add an '=' sign.
throw new InvalidOperationException(String.Format(
"[Error] Invalid constant definition: \"{0}\"", line));
}
//if (!String.IsNullOrEmpty(c.Name) && !e.Members.Contains.Contains(c))
//SpecTranslator.Merge(e.Members, c);
if (!e.ConstantCollection.ContainsKey(c.Name))
e.ConstantCollection.Add(c.Name, c);
else
Trace.WriteLine(String.Format(
"Spec error: Constant {0} defined twice in enum {1}, discarding last definition.",
c.Name, e.Name));
// Insert the current constant in the list of all constants.
//SpecTranslator.Merge(complete_enum.Members, c);
complete_enum = Utilities.Merge(complete_enum, c);
}
while (!specFile.EndOfStream);
// At this point, the complete value list for the current enumerant has been read, so add this
// enumerant to the list.
//e.StartDirectives.Add(new CodeRegionDirective(CodeRegionMode.Start, "public enum " + e.Name));
//e.EndDirectives.Add(new CodeRegionDirective(CodeRegionMode.End, "public enum " + e.Name));
// (disabled) Hack - discard Boolean enum, it fsucks up the fragile translation code ahead.
//if (!e.Name.Contains("Bool"))
//Utilities.Merge(enums, e);
//e.Translate();
if (!enums.ContainsKey(e.Name))
enums.Add(e.Name, e);
else
{
// The enum already exists, merge constants.
foreach (Constant t in e.ConstantCollection.Values)
Utilities.Merge(enums[e.Name], t);
}
}
}
while (!specFile.EndOfStream);
enums.Add(complete_enum.Name, complete_enum);
Trace.Unindent();
return enums;
}