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CmdHelper.groovy
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CmdHelper.groovy
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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.cli
/**
* Cmd CLI helper methods
*
* @author Paolo Di Tommaso <paolo.ditommaso@gmail.com>
*/
class CmdHelper {
static private String operators = '<>!='
/**
* Expand single `=` to `==` in filter string
*
* @param filter A filter string e.g. `cpus = 4`
* @return A filter in which `=` char is expanded to `==` operator
*/
static String fixEqualsOp( String filter ) {
if( !filter ) return filter
def result = new StringBuilder()
int i=0
int len=filter.length()
while( i<len ) {
def ch = filter[i++]
result << ch
if( i<len-1 && filter[i]=='=' && filter[i+1]!='=' && !operators.contains(ch)) {
result.append('=')
}
}
return result.toString()
}
}