Examples of io.airlift.airline.model.OptionMetadata

io.airlift.airline.model.OptionMetadata

        return state;
    }


    private ParseState parseSimpleOption(PeekingIterator<String> tokens, ParseState state, List<OptionMetadata> allowedOptions)
    {
        OptionMetadata option = findOption(allowedOptions, tokens.peek());
        if (option == null) {
            return null;
        }


        tokens.next();
        state = state.pushContext(Context.OPTION).withOption(option);


        Object value;
        if (option.getArity() == 0) {
            state = state.withOptionValue(option, Boolean.TRUE).popContext();
        }
        else if (option.getArity() == 1) {
            if (tokens.hasNext()) {
                value = TypeConverter.newInstance().convert(option.getTitle(), option.getJavaType(), tokens.next());
                state = state.withOptionValue(option, value).popContext();
            }
        }
        else {
            ImmutableList.Builder<Object> values = ImmutableList.builder();


            int count = 0;
            while (count < option.getArity() && tokens.hasNext()) {
                values.add(TypeConverter.newInstance().convert(option.getTitle(), option.getJavaType(), tokens.next()));
                ++count;
            }


            if (count == option.getArity()) {
                state = state.withOptionValue(option, values.build()).popContext();
            }
        }
        return state;
    }

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        List<String> parts = ImmutableList.copyOf(Splitter.on('=').limit(2).split(tokens.peek()));
        if (parts.size() != 2) {
            return null;
        }


        OptionMetadata option = findOption(allowedOptions, parts.get(0));
        if (option == null || option.getArity() != 1) {
            // TODO: this is not exactly correct. It should be an error condition
            return null;
        }


        // we have a match so consume the token
        tokens.next();


        // update state
        state = state.pushContext(Context.OPTION).withOption(option);
        Object value = TypeConverter.newInstance().convert(option.getTitle(), option.getJavaType(), parts.get(1));
        state = state.withOption(option).withOptionValue(option, value).popContext();


        return state;
    }

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        ParseState nextState = state;
        while (!remainingToken.isEmpty()) {
            char tokenCharacter = remainingToken.charAt(0);


            // is the current token character a single letter option?
            OptionMetadata option = findOption(allowedOptions, "-" + tokenCharacter);
            if (option == null) {
                return null;
            }


            nextState = nextState.pushContext(Context.OPTION).withOption(option);


            // remove current token character
            remainingToken = remainingToken.substring(1);


            // for no argument options, process the option and remove the character from the token
            if (option.getArity() == 0) {
                nextState = nextState.withOptionValue(option, Boolean.TRUE).popContext();
                continue;
            }


            if (option.getArity() == 1) {
                // we must, consume the current token so we can see the next token
                tokens.next();


                // if current token has more characters, this is the value; otherwise it is the next token
                if (!remainingToken.isEmpty()) {
                    Object value = TypeConverter.newInstance().convert(option.getTitle(), option.getJavaType(), remainingToken);
                    nextState = nextState.withOptionValue(option, value).popContext();
                }
                else if (tokens.hasNext()) {
                    Object value = TypeConverter.newInstance().convert(option.getTitle(), option.getJavaType(), tokens.next());
                    nextState = nextState.withOptionValue(option, value).popContext();
                }


                return nextState;
            }


            throw new UnsupportedOperationException("Short options style can not be used with option " + option.getAllowedValues());
        }


        // consume the current token
        tokens.next();

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Related Classes of io.airlift.airline.model.OptionMetadata

io.airlift.airline.Accessor

io.airlift.airline.Parser

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