A prettifier for CWL code
Project description
CWL Format
CWL Format is a specification and a reference implementation for a very opinionated CWL code formatter.
It outputs CWL in a standardized YAML format. It has no settings or options because you have better things to do with your time. And because CWL Format is always correct.
This repository lists the formatting rules and also contains a Python implementation of the formatter.
Rules
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Only comment lines at the top of the file, including blank lines, before the actual CWL code are preserved. All other comments are lost. Do not use this if all comments in the YAML are important to you.
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All CWL fields are ordered systematically. The field order for specific fields have a defined precedence ("pinned fields"). Any fields not present in this file ("free fields") are printed after the pinned fields and ordered alphabetically.
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The pinned fields are defined in this YAML file.
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Specific pinned field orderings are available for CommandLineTool, ExpressionTool and Workflow processes. All other types follow a generic pinned field list.
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All strings that fit within 80 columns are expressed in flow style. Longer strings or strings with new lines are expressed in block style.
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All lists and maps are expressed in block style
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The ordering of all lists are preserved
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Indentation is 2 spaces, including for lists
Conformance tests
A series of documents are found in the tests
directory that can be used
to check correctness of a formatter. The files named original-*
are the input files
and the files named formatted-*
are the corresponding formatted documents. There
are a mixture of YAML and JSON input files. Formatted files are always YAML.
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