Class: FileSystemUtils

Inherits:
Object show all
Defined in:
lib/ceedling/file_system_utils.rb

Instance Method Summary collapse

Instance Method Details

#collect_paths(*paths) ⇒ Object

build up path list from input of one or more strings or arrays of (+/-) paths & globs



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# File 'lib/ceedling/file_system_utils.rb', line 13

def collect_paths(*paths)
  raw   = []  # all paths and globs
  plus  = Set.new # all paths to expand and add
  minus = Set.new # all paths to remove from plus set
  
  # assemble all globs and simple paths, reforming our glob notation to ruby globs
  paths.each do |paths_container|
    case (paths_container)
      when String then raw << (FilePathUtils::reform_glob(paths_container))
      when Array  then paths_container.each {|path| raw << (FilePathUtils::reform_glob(path))}
      else raise "Don't know how to handle #{paths_container.class}"
    end
  end

  # iterate through each path and glob
  raw.each do |path|
  
    dirs = []  # container for only (expanded) paths
  
    # if a glob, expand it and slurp up all non-file paths
    if path.include?('*')
      # grab base directory only if globs are snug up to final path separator
      if (path =~ /\/\*+$/)
        dirs << FilePathUtils.extract_path(path)
      end
      
      # grab expanded sub-directory globs
      expanded = @file_wrapper.directory_listing( FilePathUtils.extract_path_no_aggregation_operators(path) )
      expanded.each do |entry|
        dirs << entry if @file_wrapper.directory?(entry)
      end
      
    # else just grab simple path
    # note: we could just run this through glob expansion but such an
    #       approach doesn't handle a path not yet on disk)
    else
      dirs << FilePathUtils.extract_path_no_aggregation_operators(path)
    end
    
    # add dirs to the appropriate set based on path aggregation modifier if present
    FilePathUtils.add_path?(path) ? plus.merge(dirs) : minus.merge(dirs)
  end

  return (plus - minus).to_a.uniq
end

#revise_file_list(list, revisions) ⇒ Object

given a file list, add to it or remove from it



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# File 'lib/ceedling/file_system_utils.rb', line 61

def revise_file_list(list, revisions)
  revisions.each do |revision|
    # include or exclude file or glob to file list
    file = FilePathUtils.extract_path_no_aggregation_operators( revision )
    FilePathUtils.add_path?(revision) ? list.include(file) : list.exclude(file)
  end
end