nextflow.util.BlankSeparatedList.groovy Maven / Gradle / Ivy

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A DSL modelled around the UNIX pipe concept, that simplifies writing parallel and scalable pipelines in a portable manner

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/*
 * Copyright 2013-2024, Seqera Labs
 *
 * 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 nextflow.util

import com.esotericsoftware.kryo.Kryo
import com.esotericsoftware.kryo.KryoSerializable
import com.esotericsoftware.kryo.io.Input
import com.esotericsoftware.kryo.io.Output
import groovy.transform.CompileStatic
import groovy.transform.EqualsAndHashCode
/**
 * A list of staged paths, which renders its content just separating
 * the items by a blank space
 */

@CompileStatic
@EqualsAndHashCode
class BlankSeparatedList implements KryoSerializable, PathEscapeAware, List {

    private List target

    // note: this constructor is needed by kryo serialization
    private BlankSeparatedList() { }

    BlankSeparatedList( Collection items ) {
        target = items != null ? new ArrayList(items) : []
    }

    BlankSeparatedList( Object ... items ) {
        this(items as List)
    }

    @Override
    String toString() {
        target.join(' ')
    }

    String toStringEscape() {
        def result = new StringBuilder()
        for( int i=0; i