Method parseSequence

Fleece/Support/JSON5.cc:131–173

Reads an array or object, writing JSON to the output.

        // Reads an array or object, writing JSON to the output.
        void parseSequence(bool isObject) {
            _out << get();  // open bracket/brace
            const char closeBracket = (isObject ? '}' : ']');
            bool first = true;
            char c;
            while (closeBracket != (c = peekToken())) {
                if (first)
                    first = false;
                else
                    _out << ",";

                if (isObject) {
                    // Key:
                    if (c == '"' || c == '\'') {
                        parseString();
                    } else if (isalpha(c) || c == '_' || c == '$') {
                        _out << '"' << get();
                        while (true) {
                            c = peek();
                            if (isalnum(c) || c == '_')
                                _out << get();
                            else
                                break;
                        }
                        _out << '"';
                    } else {
                        fail("Invalid key");
                    }
                    if (peekToken() != ':')
                        fail("Expected ':' after key");
                    _out << get();
                }

                // Value, or array item:
                parseValue();

                if (peekToken() == ',')
                    get();
                else if (peekToken() != closeBracket)
                    fail("unexpected token after array/object item");
            }
            _out << get(); // copy close bracket/brace
        }

        // Returns the next non-whitespace, non-comment character from the input.
        // Consumes whitespace and comments, but not the character it returns.