class Rufo::FileList
list of file names.
FileList/Array is requested, the pending patterns are resolved into a real
actually used. The key is that the first time an element of the
files, but only search out the actual files when then FileList itself is
This allows us to define a number of FileList to match any number of
to find the files, a FileList holds the pattern for latter use.
to be included in the file list, instead of searching the file structures
FileLists are lazy. When given a list of glob patterns for possible files
make file manipulation a bit easier.
A FileList is essentially an array with a few helper methods defined to
#
def <<(obj)
def <<(obj) resolve @items << obj self end
def add_matching(pattern)
def add_matching(pattern) self.class.glob(pattern).each do |fn| self << fn unless excluded_from_list?(fn) end end
def exclude(*patterns, &block)
FileList['a.c', 'b.c'].exclude("a.*") => ['a.c', 'b.c']
If "a.c" is not a file, then ...
FileList['a.c', 'b.c'].exclude("a.*") => ['b.c']
If "a.c" is a file, then ...
FileList['a.c', 'b.c'].exclude(/^a/) => ['b.c']
FileList['a.c', 'b.c'].exclude("a.c") => ['b.c']
Examples:
file.
system, then an glob pattern in the exclude list will not exclude the
is explicitly added to a file list, but does not exist in the file
Note that glob patterns are expanded against the file system. If a file
return true when given to the block.
strings. In addition, a block given to exclude will remove entries that
list. Patterns may be regular expressions, glob patterns or regular
Register a list of file name patterns that should be excluded from the
def exclude(*patterns, &block) patterns.each do |pat| @exclude_patterns << pat end @exclude_procs << block if block_given? resolve_exclude unless @pending self end
def excluded_from_list?(filename)
def excluded_from_list?(filename) return true if @exclude_patterns.any? do |pat| case pat when Regexp filename =~ pat when GLOB_PATTERN flags = File::FNM_PATHNAME flags |= File::FNM_EXTGLOB File.fnmatch?(pat, filename, flags) else filename == pat end end @exclude_procs.any? { |p| p.call(filename) } end
def glob(pattern, *args)
should be preferred to Dir[pattern] and Dir.glob(pattern) because
Get a sorted list of files matching the pattern. This method
def glob(pattern, *args) Dir.glob(pattern, *args).sort end
def include(*filenames)
file_list.include %w( math.c lib.h *.o )
file_list.include("*.java", "*.cfg")
Example:
is given, add each element of the array.
Add file names defined by glob patterns to the file list. If an array
def include(*filenames) filenames.each do |fn| @pending_add << fn end @pending = true self end
def initialize(*patterns)
end
fl.exclude(/\bCVS\b/)
pkg_files = FileList.new('lib/**/*') do |fl|
file_list = FileList.new('lib/**/*.rb', 'test/test*.rb')
Example:
"yield self" pattern.
perform multiple includes or excludes at object build time, use the
Create a file list from the globbable patterns given. If you wish to
def initialize(*patterns) @pending_add = [] @pending = false @exclude_patterns = DEFAULT_IGNORE_PATTERNS.dup @exclude_procs = DEFAULT_IGNORE_PROCS.dup @items = [] patterns.each { |pattern| include(pattern) } yield self if block_given? end
def resolve
def resolve if @pending @pending = false @pending_add.each do |fn| resolve_add(fn) end @pending_add = [] resolve_exclude end self end
def resolve_add(filename) # :nodoc:
def resolve_add(filename) # :nodoc: case filename when GLOB_PATTERN add_matching(filename) else self << filename end end
def resolve_exclude # :nodoc:
def resolve_exclude # :nodoc: reject! { |fn| excluded_from_list?(fn) } self end
def to_a
def to_a resolve @items end
def to_s
def to_s resolve self.join(" ") end