Exemplo n.º 1
0
                public static object MapFormReader(TextReader stream, Reader reader)
                {
                    char cur;
                    if (!(PeekChar(stream, out cur) && cur == '{')) {
                        return null;
                    }

                    NLMap map = new NLMap();
                    SkipChar(stream);

                    do {
                        object[] pair = { null, null };

                        SkipWhitespace(stream);
                        if (Empty(stream)) {
                            throw new ReaderException("Unterminated map!");
                        }

                        PeekChar(stream, out cur);
                        if (cur == '}') {
                            break;
                        }

                        pair[0] = reader.ReadNextForm(stream);
                        if (pair[0] == null) {
                            throw new ReaderException("Unreadable form in map!");
                        }

                        SkipWhitespace(stream);
                        if (Empty(stream)) {
                            throw new ReaderException("Unterminated map!");
                        }

                        pair[1] = reader.ReadNextForm(stream);
                        if (pair[1] == null) {
                            throw new ReaderException("Unreadable form in map!");
                        }

                        SkipWhitespace(stream);
                        if (Empty(stream)) {
                            throw new ReaderException("Unterminated map!");
                        }

                        map.Assoc(pair[0], pair[1]);
                    } while (PeekChar(stream, out cur) && cur != '}');

                    SkipChar(stream);

                    return map;
                }
Exemplo n.º 2
0
                public static IFlatCollection FlatCollectionFormReader(TextReader stream, Reader reader, char open, char close, FormFactory factory)
                {
                    char cur;
                    if (!(PeekChar(stream, out cur) && cur == open)) {
                        return null;
                    }

                    IFlatCollection coll = factory();
                    SkipChar(stream);

                    do {
                        SkipWhitespace(stream);
                        object form = reader.ReadNextForm(stream);
                        if (form != null) {
                            coll.Append(form);
                        }
                        SkipWhitespace(stream);
                        if (Empty(stream)) {
                            throw new ReaderException("Unterminated vector!");
                        }

                    } while (PeekChar(stream, out cur) && cur != close);

                    SkipChar(stream);

                    return coll;
                }