Class: Zip::ZipFileSystem::ZipFsFile

Inherits:
Object
  • Object
show all
Defined in:
lib/pik/contrib/zip/zipfilesystem.rb

Overview

Instances of this class are normally accessed via the accessor ZipFile::file. An instance of ZipFsFile behaves like ruby’s builtin File (class) object, except it works on ZipFile entries.

The individual methods are not documented due to their similarity with the methods in File

Defined Under Namespace

Classes: ZipFsStat

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mappedZip) ⇒ ZipFsFile

Returns a new instance of ZipFsFile.



156
157
158
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 156

def initialize(mappedZip)
	@mappedZip = mappedZip
end

Instance Attribute Details

#dir=(value) ⇒ Object (writeonly)

Sets the attribute dir

Parameters:

  • value

    the value to set the attribute dir to.



69
70
71
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 69

def dir=(value)
  @dir = value
end

Instance Method Details

#atime(fileName) ⇒ Object



311
312
313
314
315
316
317
318
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 311

def atime(fileName)
  e = get_entry(fileName)
  if e.extra.member? "UniversalTime"
    e.extra["UniversalTime"].atime
  else
    nil
  end
end

#basename(fileName) ⇒ Object



289
290
291
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 289

def basename(fileName)
	::File.basename(fileName)
end

#blockdev?(filename) ⇒ Boolean

Returns:

  • (Boolean)


333
334
335
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 333

def blockdev?(filename)
	false
end

#chardev?(filename) ⇒ Boolean

Returns:

  • (Boolean)


337
338
339
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 337

def chardev?(filename)
	false
end

#chmod(modeInt, *filenames) ⇒ Object



264
265
266
267
268
269
270
271
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 264

def chmod (modeInt, *filenames)
  filenames.each { |fileName|
    e = get_entry(fileName)
    e.fstype = 3 # force convertion filesystem type to unix
    e.externalFileAttributes = modeInt << 16
  }
  filenames.size
end

#chown(ownerInt, groupInt, *filenames) ⇒ Object



252
253
254
255
256
257
258
259
260
261
262
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 252

def chown(ownerInt, groupInt, *filenames)
  filenames.each { |fileName|
    e = get_entry(fileName)
    unless e.extra.member?("IUnix")
      e.extra.create("IUnix")
    end
    e.extra["IUnix"].uid = ownerInt
    e.extra["IUnix"].gid = groupInt
  }
  filenames.size
end

#ctime(fileName) ⇒ Object



320
321
322
323
324
325
326
327
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 320

def ctime(fileName)
  e = get_entry(fileName)
  if e.extra.member? "UniversalTime"
    e.extra["UniversalTime"].ctime
  else
    nil
  end
end

#delete(*args) ⇒ Object Also known as: unlink



394
395
396
397
398
399
400
401
402
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 394

def delete(*args)
	args.each { 
	  |fileName|
	  if directory?(fileName)
	    raise Errno::EISDIR, "Is a directory - \"#{fileName}\""
	  end
	  @mappedZip.remove(fileName) 
	}
end

#directory?(fileName) ⇒ Boolean

Returns:

  • (Boolean)


222
223
224
225
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 222

def directory?(fileName)
	entry = @mappedZip.find_entry(fileName)
	expand_path(fileName) == "/" || (entry != nil && entry.directory?)
end

#dirname(fileName) ⇒ Object



285
286
287
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 285

def dirname(fileName)
	::File.dirname(fileName)
end

#executable?(fileName) ⇒ Boolean Also known as: executable_real?

Returns:

  • (Boolean)


197
198
199
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 197

def executable?(fileName)
  unix_mode_cmp(fileName, 0111)
end

#exists?(fileName) ⇒ Boolean Also known as: exist?, owned?, grpowned?

Returns:

  • (Boolean)


178
179
180
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 178

def exists?(fileName)
  expand_path(fileName) == "/" || @mappedZip.find_entry(fileName) != nil
end

#expand_path(aPath) ⇒ Object



410
411
412
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 410

def expand_path(aPath)
  @mappedZip.expand_path(aPath)
end

#file?(fileName) ⇒ Boolean

Returns:

  • (Boolean)


280
281
282
283
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 280

def file?(fileName)
	entry = @mappedZip.find_entry(fileName)
	entry != nil && entry.file?
end

#foreach(fileName, aSep = $/, &aProc) ⇒ Object



390
391
392
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 390

def foreach(fileName, aSep = $/, &aProc)
	open(fileName) { |is| is.each_line(aSep, &aProc) }
end

#ftype(fileName) ⇒ Object



349
350
351
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 349

def ftype(fileName)
	@mappedZip.get_entry(fileName).directory? ? "directory" : "file"
end

#join(*fragments) ⇒ Object



297
298
299
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 297

def join(*fragments)
	::File.join(*fragments)
end

Raises:

  • (NotImplementedError)


361
362
363
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 361

def link(fileName, symlinkName)
	raise NotImplementedError, "The link() function is not implemented"
end

#mtime(fileName) ⇒ Object



307
308
309
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 307

def mtime(fileName)
	@mappedZip.get_entry(fileName).mtime
end

#new(fileName, openMode = "r") ⇒ Object



238
239
240
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 238

def new(fileName, openMode = "r")
	open(fileName, openMode)
end

#open(fileName, openMode = "r", &block) ⇒ Object



227
228
229
230
231
232
233
234
235
236
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 227

def open(fileName, openMode = "r", &block)
  case openMode
  when "r" 
    @mappedZip.get_input_stream(fileName, &block)
  when "w"
    @mappedZip.get_output_stream(fileName, &block)
  else
    raise StandardError, "openmode '#{openMode} not supported" unless openMode == "r"
  end
end

#pipeObject

Raises:

  • (NotImplementedError)


365
366
367
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 365

def pipe
	raise NotImplementedError, "The pipe() function is not implemented"
end

#pipe?(filename) ⇒ Boolean

Returns:

  • (Boolean)


329
330
331
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 329

def pipe?(filename)
	false
end

#popen(*args, &aProc) ⇒ Object



386
387
388
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 386

def popen(*args, &aProc)
	File.popen(*args, &aProc)
end

#read(fileName) ⇒ Object



382
383
384
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 382

def read(fileName)
  @mappedZip.read(fileName)
end

#readable?(fileName) ⇒ Boolean Also known as: readable_real?

Returns:

  • (Boolean)


187
188
189
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 187

def readable?(fileName)
  unix_mode_cmp(fileName, 0444)
end

#readlines(fileName) ⇒ Object



378
379
380
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 378

def readlines(fileName)
	open(fileName) { |is| is.readlines }
end

Raises:

  • (NotImplementedError)


353
354
355
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 353

def readlink(fileName)
	raise NotImplementedError, "The readlink() function is not implemented"
end

#rename(fileToRename, newName) ⇒ Object



404
405
406
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 404

def rename(fileToRename, newName)
  @mappedZip.rename(fileToRename, newName) { true }
end

#setgid?(fileName) ⇒ Boolean

Returns:

  • (Boolean)


206
207
208
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 206

def setgid?(fileName)
  unix_mode_cmp(fileName, 02000)
end

#setuid?(fileName) ⇒ Boolean

Returns:

  • (Boolean)


202
203
204
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 202

def setuid?(fileName)
  unix_mode_cmp(fileName, 04000)
end

#size(fileName) ⇒ Object



242
243
244
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 242

def size(fileName)
	@mappedZip.get_entry(fileName).size
end

#size?(fileName) ⇒ Boolean

Returns nil for not found and nil for directories

Returns:

  • (Boolean)


247
248
249
250
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 247

def size?(fileName)
	entry = @mappedZip.find_entry(fileName)
	return (entry == nil || entry.directory?) ? nil : entry.size
end

#socket?(fileName) ⇒ Boolean

Returns:

  • (Boolean)


345
346
347
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 345

def socket?(fileName)
	false
end

#split(fileName) ⇒ Object



293
294
295
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 293

def split(fileName)
	::File.split(fileName)
end

#stat(fileName) ⇒ Object Also known as: lstat



369
370
371
372
373
374
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 369

def stat(fileName)
  if ! exists?(fileName)
    raise Errno::ENOENT, fileName
  end
  ZipFsStat.new(self, fileName)
end

#sticky?(fileName) ⇒ Boolean

Returns:

  • (Boolean)


210
211
212
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 210

def sticky?(fileName)
  unix_mode_cmp(fileName, 01000)
end

Raises:

  • (NotImplementedError)


357
358
359
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 357

def symlink(fileName, symlinkName)
	raise NotImplementedError, "The symlink() function is not implemented"
end

#symlink?(fileName) ⇒ Boolean

Returns:

  • (Boolean)


341
342
343
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 341

def symlink?(fileName)
	false
end

#truncate(fileName, len) ⇒ Object

Raises:

  • (StandardError)


218
219
220
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 218

def truncate(fileName, len)
  raise StandardError, "truncate not supported"
end

#umask(*args) ⇒ Object



214
215
216
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 214

def umask(*args)
  ::File.umask(*args)
end

#utime(modifiedTime, *fileNames) ⇒ Object



301
302
303
304
305
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 301

def utime(modifiedTime, *fileNames)
  fileNames.each { |fileName|
    get_entry(fileName).time = modifiedTime
  }
end

#writable?(fileName) ⇒ Boolean Also known as: writable_real?

Returns:

  • (Boolean)


192
193
194
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 192

def writable?(fileName)
  unix_mode_cmp(fileName, 0222)
end

#zero?(fileName) ⇒ Boolean

Returns:

  • (Boolean)


273
274
275
276
277
278
# File 'lib/pik/contrib/zip/zipfilesystem.rb', line 273

def zero?(fileName)
	sz = size(fileName)
	sz == nil || sz == 0
rescue Errno::ENOENT
	false
end