Class: FileUtils::Entry_
- Inherits:
-
Object
- Object
- FileUtils::Entry_
- Includes:
- StreamUtils_
- Defined in:
- lib/fileutils.rb
Overview
:nodoc: internal use only
Constant Summary collapse
- S_IF_DOOR =
0xD000
Instance Method Summary collapse
- #blockdev? ⇒ Boolean
- #chardev? ⇒ Boolean
- #chmod(mode) ⇒ Object
- #chown(uid, gid) ⇒ Object
- #copy(dest) ⇒ Object
- #copy_file(dest) ⇒ Object
- #copy_metadata(path) ⇒ Object
- #dereference? ⇒ Boolean
- #directory? ⇒ Boolean
- #door? ⇒ Boolean
- #entries ⇒ Object
- #exist? ⇒ Boolean
- #file? ⇒ Boolean
-
#initialize(a, b = nil, deref = false) ⇒ Entry_
constructor
A new instance of Entry_.
- #inspect ⇒ Object
- #lstat ⇒ Object
- #lstat! ⇒ Object
- #path ⇒ Object
- #pipe? ⇒ Boolean
- #platform_support ⇒ Object
- #postorder_traverse {|_self| ... } ⇒ Object
- #prefix ⇒ Object
- #preorder_traverse ⇒ Object (also: #traverse)
- #rel ⇒ Object
- #remove ⇒ Object
- #remove_dir1 ⇒ Object
- #remove_file ⇒ Object
- #socket? ⇒ Boolean
- #stat ⇒ Object
- #stat! ⇒ Object
- #symlink? ⇒ Boolean
Constructor Details
#initialize(a, b = nil, deref = false) ⇒ Entry_
Returns a new instance of Entry_.
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# File 'lib/fileutils.rb', line 1088 def initialize(a, b = nil, deref = false) @prefix = @rel = @path = nil if b @prefix = a @rel = b else @path = a end @deref = deref @stat = nil @lstat = nil end |
Instance Method Details
#blockdev? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1149 def blockdev? s = lstat! s and s.blockdev? end |
#chardev? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1144 def chardev? s = lstat! s and s.chardev? end |
#chmod(mode) ⇒ Object
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# File 'lib/fileutils.rb', line 1213 def chmod(mode) if symlink? File.lchmod mode, path() if have_lchmod? else File.chmod mode, path() end end |
#chown(uid, gid) ⇒ Object
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# File 'lib/fileutils.rb', line 1221 def chown(uid, gid) if symlink? File.lchown uid, gid, path() if have_lchown? else File.chown uid, gid, path() end end |
#copy(dest) ⇒ Object
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# File 'lib/fileutils.rb', line 1229 def copy(dest) case when file? copy_file dest when directory? begin Dir.mkdir dest rescue raise unless File.directory?(dest) end when symlink? File.symlink File.readlink(path()), dest when chardev? raise "cannot handle device file" unless File.respond_to?(:mknod) mknod dest, ?c, 0666, lstat().rdev when blockdev? raise "cannot handle device file" unless File.respond_to?(:mknod) mknod dest, ?b, 0666, lstat().rdev when socket? raise "cannot handle socket" unless File.respond_to?(:mknod) mknod dest, nil, lstat().mode, 0 when pipe? raise "cannot handle FIFO" unless File.respond_to?(:mkfifo) mkfifo dest, 0666 when door? raise "cannot handle door: #{path()}" else raise "unknown file type: #{path()}" end end |
#copy_file(dest) ⇒ Object
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# File 'lib/fileutils.rb', line 1260 def copy_file(dest) st = stat() File.open(path(), 'rb') {|r| File.open(dest, 'wb', st.mode) {|w| fu_copy_stream0 r, w, (fu_blksize(st) || fu_default_blksize()) } } end |
#copy_metadata(path) ⇒ Object
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# File 'lib/fileutils.rb', line 1269 def (path) st = lstat() File.utime st.atime, st.mtime, path begin File.chown st.uid, st.gid, path rescue Errno::EPERM # clear setuid/setgid File.chmod st.mode & 01777, path else File.chmod st.mode, path end end |
#dereference? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1121 def dereference? @deref end |
#directory? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1134 def directory? s = lstat! s and s.directory? end |
#door? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1166 def door? s = lstat! s and (s.mode & 0xF000 == S_IF_DOOR) end |
#entries ⇒ Object
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# File 'lib/fileutils.rb', line 1171 def entries Dir.entries(path())\ .reject {|n| n == '.' or n == '..' }\ .map {|n| Entry_.new(prefix(), join(rel(), n.untaint)) } end |
#exist? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1125 def exist? lstat! ? true : false end |
#file? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1129 def file? s = lstat! s and s.file? end |
#inspect ⇒ Object
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# File 'lib/fileutils.rb', line 1101 def inspect "\#<#{self.class} #{path()}>" end |
#lstat ⇒ Object
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# File 'lib/fileutils.rb', line 1199 def lstat if dereference? @lstat ||= File.stat(path()) else @lstat ||= File.lstat(path()) end end |
#lstat! ⇒ Object
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# File 'lib/fileutils.rb', line 1207 def lstat! lstat() rescue SystemCallError nil end |
#path ⇒ Object
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# File 'lib/fileutils.rb', line 1105 def path if @path @path.to_str else join(@prefix, @rel) end end |
#pipe? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1159 def pipe? s = lstat! s and s.pipe? end |
#platform_support ⇒ Object
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# File 'lib/fileutils.rb', line 1302 def platform_support return yield unless fu_windows? first_time_p = true begin yield rescue Errno::ENOENT raise rescue => err if first_time_p first_time_p = false begin File.chmod 0700, path() # Windows does not have symlink retry rescue SystemCallError end end raise err end end |
#postorder_traverse {|_self| ... } ⇒ Object
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# File 'lib/fileutils.rb', line 1332 def postorder_traverse if directory? entries().each do |ent| ent.postorder_traverse do |e| yield e end end end yield self end |
#prefix ⇒ Object
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# File 'lib/fileutils.rb', line 1113 def prefix @prefix || @path end |
#preorder_traverse ⇒ Object Also known as: traverse
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# File 'lib/fileutils.rb', line 1322 def preorder_traverse stack = [self] while ent = stack.pop yield ent stack.concat ent.entries.reverse if ent.directory? end end |
#rel ⇒ Object
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# File 'lib/fileutils.rb', line 1117 def rel @rel end |
#remove ⇒ Object
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# File 'lib/fileutils.rb', line 1282 def remove if directory? remove_dir1 else remove_file end end |
#remove_dir1 ⇒ Object
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# File 'lib/fileutils.rb', line 1290 def remove_dir1 platform_support { Dir.rmdir path().sub(%r</\z>, '') } end |
#remove_file ⇒ Object
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# File 'lib/fileutils.rb', line 1296 def remove_file platform_support { File.unlink path } end |
#socket? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1154 def socket? s = lstat! s and s.socket? end |
#stat ⇒ Object
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# File 'lib/fileutils.rb', line 1177 def stat return @stat if @stat if lstat() and lstat().symlink? @stat = File.stat(path()) else @stat = lstat() end @stat end |
#stat! ⇒ Object
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# File 'lib/fileutils.rb', line 1187 def stat! return @stat if @stat if lstat! and lstat!.symlink? @stat = File.stat(path()) else @stat = lstat! end @stat rescue SystemCallError nil end |
#symlink? ⇒ Boolean
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# File 'lib/fileutils.rb', line 1139 def symlink? s = lstat! s and s.symlink? end |