Class: Glark::FileSet
- Inherits:
-
Object
- Object
- Glark::FileSet
- Includes:
- Enumerable, Logue::Loggable
- Defined in:
- lib/glark/util/io/fileset.rb
Overview
Files and directories. And standard input, just for fun.
Constant Summary collapse
- DEPTH_RE =
Regexp.new '\.\.\.(\d*)$'
Instance Attribute Summary collapse
-
#files ⇒ Object
readonly
Returns the value of attribute files.
Instance Method Summary collapse
-
#add_as_path(path) ⇒ Object
this is a path in the form /usr/bin:/home/me/projects.
- #add_fd(fname) ⇒ Object
- #add_files(fnames) ⇒ Object
- #each(&blk) ⇒ Object
- #handle_binary(pn, &blk) ⇒ Object
- #handle_directory(pn, depth, &blk) ⇒ Object
- #handle_file(pn, &blk) ⇒ Object
- #handle_pathname(pn, depth, &blk) ⇒ Object
- #handle_text(pn, &blk) ⇒ Object
-
#initialize(fnames, args) ⇒ FileSet
constructor
A new instance of FileSet.
- #size ⇒ Object
- #stdin? ⇒ Boolean
Constructor Details
#initialize(fnames, args) ⇒ FileSet
Returns a new instance of FileSet.
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# File 'lib/glark/util/io/fileset.rb', line 19 def initialize fnames, args @max_depth = Depth.new args[:max_depth] @binary_files = args[:binary_files] || 'skip' @dir_criteria = args[:dir_criteria] @file_criteria = args[:file_criteria] @split_as_path = args[:split_as_path] @dir_to_max_depth = Hash.new @files = Array.new if fnames.size == 0 @files << '-' else add_files fnames end end |
Instance Attribute Details
#files ⇒ Object (readonly)
Returns the value of attribute files.
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# File 'lib/glark/util/io/fileset.rb', line 15 def files @files end |
Instance Method Details
#add_as_path(path) ⇒ Object
this is a path in the form /usr/bin:/home/me/projects
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# File 'lib/glark/util/io/fileset.rb', line 51 def add_as_path path path.to_s.split(::File::PATH_SEPARATOR).each do |element| add_fd element end end |
#add_fd(fname) ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 57 def add_fd fname pn = nil if md = DEPTH_RE.match(fname) val = md[1].empty? ? nil : md[1].to_i fname.sub! DEPTH_RE, '' fname = '.' if fname.empty? pn = Pathname.new fname @dir_to_max_depth[pn] = Depth.new val else pn = Pathname.new fname end return if pn.file? && @file_criteria.skipped?(pn) @files << pn end |
#add_files(fnames) ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 40 def add_files fnames fnames.each do |fname| if @split_as_path add_as_path fname else add_fd fname end end end |
#each(&blk) ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 78 def each &blk # to keep from cycling through links: @yielded_files = Array.new (0 ... @files.size).each do |idx| pn = @files[idx] if stdin? blk.call [ :text, '-' ] next end unless pn.readable? write "directory not readable: #{pn}" next end dirmax = @dir_to_max_depth[pn] || @max_depth handle_pathname pn, dirmax, &blk end end |
#handle_binary(pn, &blk) ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 145 def handle_binary pn, &blk type = case @binary_files when 'binary' :binary when 'skip', 'without-match' return when 'decompress', 'read' :read when 'list' :list else :text end blk.call [ type, pn ] end |
#handle_directory(pn, depth, &blk) ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 109 def handle_directory pn, depth, &blk return if @dir_criteria.skipped? pn, depth subdepth = depth - 1 pn.children.sort.each do |entry| if entry.file? type = FileType.type entry.to_s next if type == FileType::BINARY && @binary_files == 'skip' end handle_pathname entry, subdepth, &blk end end |
#handle_file(pn, &blk) ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 123 def handle_file pn, &blk return if @file_criteria.skipped? pn return if @yielded_files.include? pn @yielded_files << pn type = FileType.type pn.to_s case type when FileType::TEXT handle_text pn, &blk when FileType::BINARY handle_binary pn, &blk when FileType::NONE write "no such file: #{pn}" when FileType::UNKNOWN write "unknown file type: #{pn}" end end |
#handle_pathname(pn, depth, &blk) ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 99 def handle_pathname pn, depth, &blk if pn.directory? handle_directory pn, depth, &blk elsif pn.file? handle_file pn, &blk else write "unknown file type: #{pn}" end end |
#handle_text(pn, &blk) ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 141 def handle_text pn, &blk blk.call [ :text, pn ] end |
#size ⇒ Object
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# File 'lib/glark/util/io/fileset.rb', line 36 def size @files.size end |
#stdin? ⇒ Boolean
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# File 'lib/glark/util/io/fileset.rb', line 74 def stdin? @files.size == 1 && @files.first == '-' end |