Bind.GL2.Generator.ReadEnums C# (CSharp) Method

ReadEnums() public method

public ReadEnums ( StreamReader specFile ) : EnumCollection
specFile System.IO.StreamReader
return EnumCollection
        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;
        }