net.mindengine.galen.parser.ExpectCommaSeparatedKeyValue Maven / Gradle / Ivy

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A library for layout testing of websites

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/*******************************************************************************
* Copyright 2015 Ivan Shubin http://mindengine.net
* 
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 
*   http://www.apache.org/licenses/LICENSE-2.0
* 
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package net.mindengine.galen.parser;

import net.mindengine.galen.specs.reader.StringCharReader;
import org.apache.commons.lang3.tuple.MutablePair;
import org.apache.commons.lang3.tuple.Pair;

import java.util.LinkedList;
import java.util.List;


public class ExpectCommaSeparatedKeyValue implements Expectation>> {

    @Override
    public List> read(StringCharReader charReader) {
        List> data = new LinkedList>();

        Pair currentParam = null;

        while(charReader.hasMore()) {
            if (currentParam == null) {
                String word = new ExpectWord().read(charReader);
                if (!word.isEmpty()) {
                    currentParam = new MutablePair(word, "");
                    data.add(currentParam);
                }
            }
            else {
                final String value = charReader.readUntilSymbol(',').trim();
                currentParam.setValue(value);
                currentParam = null;
            }
        }

        return data;
    }
}