!config
# Arara, the cool TeX automation tool
# Copyright (c) 2020, Island of TeX 
# All rights reserved.
#
# This rule is part of arara.
identifier: makeglossaries
name: MakeGlossaries
authors:
- Island of TeX
commands:
- name: The MakeGlossaries software
  command: >
    @{
        if (isEmpty(clean))
        {
           return getCommand('makeglossaries', options, getBasename(reference));
        }
        else {
           prefix = [];
           if (isUnix()) {
               prefix = [ 'rm', '-f' ];
           }
           else {
               prefix = [ 'cmd', '/c', 'del' ];
           }

           base = getBasename(reference);
           removals = [];

           removals.add(getCommand(prefix, base.concat(".glsdefs")));

           lines = readFromFile(base.concat('.').concat('aux'));

           java.util.regex.Pattern glsPattern = 
                java.util.regex.Pattern.compile(
                 "\\\\@newglossary\\{.*\\}\\{(.*)\\}\\{(.*)\\}\\{(.*)\\}");

           java.util.regex.Pattern istPattern = 
             (clean == 'partial' ? null :
              java.util.regex.Pattern.compile("\\\\@istfilename\\{(.*)\\}"));

           foreach (line: lines)
           {
              matcher = glsPattern.matcher(line);

              if (matcher.matches())
              {
                 foreach(extension: [matcher.group(1), matcher.group(2), matcher.group(3)])
                 {
                    removals.add(getCommand(prefix, base.concat('.').concat(extension)));
                 }
              }
              else if (istPattern != null)
              {
                 matcher = istPattern.matcher(line);

                 if (matcher.matches())
                 {
                    removals.add(getCommand(prefix, matcher.group(1)));
                    istPattern = null;
                 }
              }
           }

           return removals;
        }
    }
arguments:
- identifier: options
  flag: >
    @{
        if (isList(parameters.options)) {
            return parameters.options;
        }
        else {
            throwError('I was expecting a list of options.');
        }
    }
- identifier: clean
  flag: >
    @{
        if ([ 'all', 'partial' ].contains(parameters.clean)) {
           return parameters.clean;
        }
        else {
            throwError('The provided clean value is not valid.');
        }
    }
