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Contents
module FunWith
module Files
# FileOrderer holds a set of strings/regexes, then reorders a set of files (FunWith::Files::FilePaths, actually)
# by matching the filenames against one regex after another. Allows you to say,
# "I want the title page, the foreward, then all the chapters, then all the appendixes, then the afterword."
# Ex: FileOrderer( ["title_page", "forward", "chapter-.*", "afterword", "appendix.*" ).reorder( pages )
# Only compares the basename minus extension. Files should come from the same directory. cover.extension always comes first.
class FileOrderer
def initialize( matchers )
@matchers = matchers.map do |m|
case m
when Regexp
m
when String
/^#{m}$/
end
end
@matchers.unshift( /^cover$/ )
@matchers.push( /^.*$/ )
end
def reorder( files )
files = files.map(&:fwf_filepath)
ordered_files = @matchers.inject( [] ) do |collector, matcher|
matched_files = files.select do |f|
name = f.basename_no_ext.to_s
matcher.match( name )
end
matched_files.sort_by! do |filename|
filename.basename_no_ext.to_s
end
collector += matched_files.sort
files -= matched_files
collector
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems