Class: Zip::Entry
- Inherits:
-
Object
- Object
- Zip::Entry
- Defined in:
- lib/zip/entry.rb
Direct Known Subclasses
Constant Summary collapse
- STORED =
0
- DEFLATED =
8
- EFS =
Language encoding flag (EFS) bit
0b100000000000
Instance Attribute Summary collapse
-
#comment ⇒ Object
Returns the value of attribute comment.
-
#compressed_size ⇒ Object
Returns the value of attribute compressed_size.
-
#compression_method ⇒ Object
Returns the value of attribute compression_method.
-
#crc ⇒ Object
Returns the value of attribute crc.
-
#dirty ⇒ Object
Returns the value of attribute dirty.
-
#external_file_attributes ⇒ Object
Returns the value of attribute external_file_attributes.
-
#extra ⇒ Object
Returns the value of attribute extra.
-
#filepath ⇒ Object
readonly
:nodoc:.
-
#follow_symlinks ⇒ Object
Returns the value of attribute follow_symlinks.
-
#fstype ⇒ Object
Returns the value of attribute fstype.
-
#ftype ⇒ Object
readonly
:nodoc:.
-
#gp_flags ⇒ Object
Returns the value of attribute gp_flags.
-
#header_signature ⇒ Object
Returns the value of attribute header_signature.
-
#local_header_offset ⇒ Object
Returns the value of attribute local_header_offset.
-
#name ⇒ Object
Returns the value of attribute name.
-
#restore_ownership ⇒ Object
Returns the value of attribute restore_ownership.
-
#restore_permissions ⇒ Object
Returns the value of attribute restore_permissions.
-
#restore_times ⇒ Object
Returns the value of attribute restore_times.
-
#size ⇒ Object
Returns the value of attribute size.
-
#unix_gid ⇒ Object
Returns the value of attribute unix_gid.
-
#unix_perms ⇒ Object
Returns the value of attribute unix_perms.
-
#unix_uid ⇒ Object
Returns the value of attribute unix_uid.
-
#zipfile ⇒ Object
Returns the value of attribute zipfile.
Class Method Summary collapse
-
.read_c_dir_entry(io) ⇒ Object
:nodoc:all.
- .read_local_entry(io) ⇒ Object
-
.read_zip_64_long(io) ⇒ Object
:nodoc:.
-
.read_zip_long(io) ⇒ Object
:nodoc:.
-
.read_zip_short(io) ⇒ Object
:nodoc:.
Instance Method Summary collapse
- #<=>(other) ⇒ Object
- #==(other) ⇒ Object
-
#calculate_local_header_size ⇒ Object
:nodoc:all.
-
#cdir_header_size ⇒ Object
:nodoc:all.
- #check_c_dir_entry_comment_size ⇒ Object
- #check_c_dir_entry_signature ⇒ Object
- #check_c_dir_entry_static_header_length(buf) ⇒ Object
- #check_name(name) ⇒ Object
- #clean_up ⇒ Object
- #comment_size ⇒ Object
- #extra_size ⇒ Object
-
#extract(dest_path = @name, &block) ⇒ Object
Extracts entry to file dest_path (defaults to @name).
-
#file_stat(path) ⇒ Object
:nodoc:.
- #file_type_is?(type) ⇒ Boolean
-
#gather_fileinfo_from_srcpath(src_path) ⇒ Object
:nodoc:.
-
#get_extra_attributes_from_path(path) ⇒ Object
:nodoc:.
-
#get_input_stream(&block) ⇒ Object
Returns an IO like object for the given ZipEntry.
- #get_raw_input_stream(&block) ⇒ Object
-
#initialize(*args) ⇒ Entry
constructor
A new instance of Entry.
-
#local_entry_offset ⇒ Object
:nodoc:all.
-
#name_is_directory? ⇒ Boolean
:nodoc:all.
- #name_size ⇒ Object
-
#next_header_offset ⇒ Object
:nodoc:all.
- #pack_c_dir_entry ⇒ Object
- #pack_local_entry ⇒ Object
- #parent_as_string ⇒ Object
-
#read_c_dir_entry(io) ⇒ Object
:nodoc:all.
- #read_c_dir_extra_field(io) ⇒ Object
-
#read_local_entry(io) ⇒ Object
:nodoc:all.
- #set_default_vars_values ⇒ Object
-
#set_extra_attributes_on_path(dest_path) ⇒ Object
:nodoc:.
- #set_ftype_from_c_dir_entry ⇒ Object
- #set_unix_permissions_on_path(dest_path) ⇒ Object
- #time ⇒ Object (also: #mtime)
- #time=(value) ⇒ Object
- #to_s ⇒ Object
- #unpack_c_dir_entry(buf) ⇒ Object
- #unpack_local_entry(buf) ⇒ Object
-
#verify_local_header_size! ⇒ Object
check before rewriting an entry (after file sizes are known) that we didn’t change the header size (and thus clobber file data or something).
-
#write_c_dir_entry(io) ⇒ Object
:nodoc:all.
-
#write_local_entry(io, rewrite = false) ⇒ Object
:nodoc:all.
-
#write_to_zip_output_stream(zip_output_stream) ⇒ Object
:nodoc:all.
Constructor Details
#initialize(*args) ⇒ Entry
Returns a new instance of Entry.
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# File 'lib/zip/entry.rb', line 53 def initialize(*args) name = args[1] || '' check_name(name) set_default_vars_values @fstype = ::Zip::RUNNING_ON_WINDOWS ? ::Zip::FSTYPE_FAT : ::Zip::FSTYPE_UNIX @zipfile = args[0] || '' @name = name @comment = args[2] || '' @extra = args[3] || '' @compressed_size = args[4] || 0 @crc = args[5] || 0 @compression_method = args[6] || ::Zip::Entry::DEFLATED @size = args[7] || 0 @time = args[8] || ::Zip::DOSTime.now @ftype = name_is_directory? ? :directory : :file @extra = ::Zip::ExtraField.new(@extra.to_s) unless ::Zip::ExtraField === @extra end |
Instance Attribute Details
#comment ⇒ Object
Returns the value of attribute comment.
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# File 'lib/zip/entry.rb', line 8 def comment @comment end |
#compressed_size ⇒ Object
Returns the value of attribute compressed_size.
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# File 'lib/zip/entry.rb', line 8 def compressed_size @compressed_size end |
#compression_method ⇒ Object
Returns the value of attribute compression_method.
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# File 'lib/zip/entry.rb', line 8 def compression_method @compression_method end |
#crc ⇒ Object
Returns the value of attribute crc.
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# File 'lib/zip/entry.rb', line 8 def crc @crc end |
#dirty ⇒ Object
Returns the value of attribute dirty.
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# File 'lib/zip/entry.rb', line 8 def dirty @dirty end |
#external_file_attributes ⇒ Object
Returns the value of attribute external_file_attributes.
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# File 'lib/zip/entry.rb', line 8 def external_file_attributes @external_file_attributes end |
#extra ⇒ Object
Returns the value of attribute extra.
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# File 'lib/zip/entry.rb', line 8 def extra @extra end |
#filepath ⇒ Object (readonly)
:nodoc:
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# File 'lib/zip/entry.rb', line 14 def filepath @filepath end |
#follow_symlinks ⇒ Object
Returns the value of attribute follow_symlinks.
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# File 'lib/zip/entry.rb', line 8 def follow_symlinks @follow_symlinks end |
#fstype ⇒ Object
Returns the value of attribute fstype.
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# File 'lib/zip/entry.rb', line 8 def fstype @fstype end |
#ftype ⇒ Object (readonly)
:nodoc:
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# File 'lib/zip/entry.rb', line 14 def ftype @ftype end |
#gp_flags ⇒ Object
Returns the value of attribute gp_flags.
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# File 'lib/zip/entry.rb', line 8 def gp_flags @gp_flags end |
#header_signature ⇒ Object
Returns the value of attribute header_signature.
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# File 'lib/zip/entry.rb', line 8 def header_signature @header_signature end |
#local_header_offset ⇒ Object
Returns the value of attribute local_header_offset.
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# File 'lib/zip/entry.rb', line 8 def local_header_offset @local_header_offset end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/zip/entry.rb', line 8 def name @name end |
#restore_ownership ⇒ Object
Returns the value of attribute restore_ownership.
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# File 'lib/zip/entry.rb', line 8 def restore_ownership @restore_ownership end |
#restore_permissions ⇒ Object
Returns the value of attribute restore_permissions.
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# File 'lib/zip/entry.rb', line 8 def @restore_permissions end |
#restore_times ⇒ Object
Returns the value of attribute restore_times.
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# File 'lib/zip/entry.rb', line 8 def restore_times @restore_times end |
#size ⇒ Object
Returns the value of attribute size.
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# File 'lib/zip/entry.rb', line 8 def size @size end |
#unix_gid ⇒ Object
Returns the value of attribute unix_gid.
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# File 'lib/zip/entry.rb', line 8 def unix_gid @unix_gid end |
#unix_perms ⇒ Object
Returns the value of attribute unix_perms.
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# File 'lib/zip/entry.rb', line 8 def unix_perms @unix_perms end |
#unix_uid ⇒ Object
Returns the value of attribute unix_uid.
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# File 'lib/zip/entry.rb', line 8 def unix_uid @unix_uid end |
#zipfile ⇒ Object
Returns the value of attribute zipfile.
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# File 'lib/zip/entry.rb', line 8 def zipfile @zipfile end |
Class Method Details
.read_c_dir_entry(io) ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 179 def read_c_dir_entry(io) #:nodoc:all path = if io.is_a?(::IO) io.path else io end entry = new(path) entry.read_c_dir_entry(io) entry rescue Error nil end |
.read_local_entry(io) ⇒ Object
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# File 'lib/zip/entry.rb', line 192 def read_local_entry(io) entry = self.new(io) entry.read_local_entry(io) entry rescue Error nil end |
.read_zip_64_long(io) ⇒ Object
:nodoc:
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# File 'lib/zip/entry.rb', line 175 def read_zip_64_long(io) # :nodoc: io.read(8).unpack('Q<')[0] end |
.read_zip_long(io) ⇒ Object
:nodoc:
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# File 'lib/zip/entry.rb', line 171 def read_zip_long(io) # :nodoc: io.read(4).unpack('V')[0] end |
.read_zip_short(io) ⇒ Object
:nodoc:
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# File 'lib/zip/entry.rb', line 167 def read_zip_short(io) # :nodoc: io.read(2).unpack('v')[0] end |
Instance Method Details
#<=>(other) ⇒ Object
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# File 'lib/zip/entry.rb', line 473 def <=> (other) self.to_s <=> other.to_s end |
#==(other) ⇒ Object
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# File 'lib/zip/entry.rb', line 464 def ==(other) return false unless other.class == self.class # Compares contents of local entry and exposed fields keys_equal = %w(compression_method crc compressed_size size name extra filepath).all? do |k| other.__send__(k.to_sym) == self.__send__(k.to_sym) end keys_equal && self.time.dos_equals(other.time) end |
#calculate_local_header_size ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 126 def calculate_local_header_size #:nodoc:all LOCAL_ENTRY_STATIC_HEADER_LENGTH + name_size + extra_size end |
#cdir_header_size ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 138 def cdir_header_size #:nodoc:all CDIR_ENTRY_STATIC_HEADER_LENGTH + name_size + (@extra ? @extra.c_dir_size : 0) + comment_size end |
#check_c_dir_entry_comment_size ⇒ Object
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# File 'lib/zip/entry.rb', line 345 def check_c_dir_entry_comment_size unless @comment && @comment.bytesize == @comment_length raise ::Zip::Error, "Truncated cdir zip entry header" end end |
#check_c_dir_entry_signature ⇒ Object
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# File 'lib/zip/entry.rb', line 339 def check_c_dir_entry_signature unless header_signature == ::Zip::CENTRAL_DIRECTORY_ENTRY_SIGNATURE raise Error, "Zip local header magic not found at location '#{local_header_offset}'" end end |
#check_c_dir_entry_static_header_length(buf) ⇒ Object
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# File 'lib/zip/entry.rb', line 333 def check_c_dir_entry_static_header_length(buf) unless buf.bytesize == ::Zip::CDIR_ENTRY_STATIC_HEADER_LENGTH raise Error, 'Premature end of file. Not enough data for zip cdir entry header' end end |
#check_name(name) ⇒ Object
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# File 'lib/zip/entry.rb', line 47 def check_name(name) if name.start_with?('/') raise ::Zip::EntryNameError, "Illegal ZipEntry name '#{name}', name must not start with /" end end |
#clean_up ⇒ Object
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# File 'lib/zip/entry.rb', line 563 def clean_up # By default, do nothing end |
#comment_size ⇒ Object
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# File 'lib/zip/entry.rb', line 122 def comment_size @comment ? @comment.bytesize : 0 end |
#extra_size ⇒ Object
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# File 'lib/zip/entry.rb', line 118 def extra_size @extra ? @extra.local_size : 0 end |
#extract(dest_path = @name, &block) ⇒ Object
Extracts entry to file dest_path (defaults to @name).
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# File 'lib/zip/entry.rb', line 148 def extract(dest_path = @name, &block) block ||= proc { ::Zip.on_exists_proc } if directory? || file? || symlink? self.__send__("create_#{@ftype}", dest_path, &block) else raise RuntimeError, "unknown file type #{self.inspect}" end self end |
#file_stat(path) ⇒ Object
:nodoc:
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# File 'lib/zip/entry.rb', line 373 def file_stat(path) # :nodoc: if @follow_symlinks ::File::stat(path) else ::File::lstat(path) end end |
#file_type_is?(type) ⇒ Boolean
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# File 'lib/zip/entry.rb', line 94 def file_type_is?(type) raise InternalError, "current filetype is unknown: #{self.inspect}" unless @ftype @ftype == type end |
#gather_fileinfo_from_srcpath(src_path) ⇒ Object
:nodoc:
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# File 'lib/zip/entry.rb', line 510 def gather_fileinfo_from_srcpath(src_path) # :nodoc: stat = file_stat(src_path) @ftype = case stat.ftype when 'file' if name_is_directory? raise ArgumentError, "entry name '#{newEntry}' indicates directory entry, but "+ "'#{src_path}' is not a directory" end :file when 'directory' @name += '/' unless name_is_directory? :directory when 'link' if name_is_directory? raise ArgumentError, "entry name '#{newEntry}' indicates directory entry, but "+ "'#{src_path}' is not a directory" end :symlink else raise RuntimeError, "unknown file type: #{src_path.inspect} #{stat.inspect}" end @filepath = src_path get_extra_attributes_from_path(@filepath) end |
#get_extra_attributes_from_path(path) ⇒ Object
:nodoc:
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# File 'lib/zip/entry.rb', line 381 def get_extra_attributes_from_path(path) # :nodoc: unless Zip::RUNNING_ON_WINDOWS stat = file_stat(path) @unix_uid = stat.uid @unix_gid = stat.gid @unix_perms = stat.mode & 07777 end end |
#get_input_stream(&block) ⇒ Object
Returns an IO like object for the given ZipEntry. Warning: may behave weird with symlinks.
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# File 'lib/zip/entry.rb', line 479 def get_input_stream(&block) if @ftype == :directory yield ::Zip::NullInputStream if block_given? ::Zip::NullInputStream elsif @filepath case @ftype when :file ::File.open(@filepath, 'rb', &block) when :symlink linkpath = ::File.readlink(@filepath) stringio = ::StringIO.new(linkpath) yield(stringio) if block_given? stringio else raise "unknown @file_type #{@ftype}" end else zis = ::Zip::InputStream.new(@zipfile, local_header_offset) zis.get_next_entry if block_given? begin yield(zis) ensure zis.close end else zis end end end |
#get_raw_input_stream(&block) ⇒ Object
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# File 'lib/zip/entry.rb', line 555 def get_raw_input_stream(&block) if @zipfile.is_a?(::IO) || @zipfile.is_a?(::StringIO) yield @zipfile else ::File.open(@zipfile, "rb", &block) end end |
#local_entry_offset ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 110 def local_entry_offset #:nodoc:all local_header_offset + @local_header_size end |
#name_is_directory? ⇒ Boolean
:nodoc:all
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# File 'lib/zip/entry.rb', line 106 def name_is_directory? #:nodoc:all @name.end_with?('/') end |
#name_size ⇒ Object
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# File 'lib/zip/entry.rb', line 114 def name_size @name ? @name.bytesize : 0 end |
#next_header_offset ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 143 def next_header_offset #:nodoc:all local_entry_offset + self.compressed_size end |
#pack_c_dir_entry ⇒ Object
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# File 'lib/zip/entry.rb', line 409 def pack_c_dir_entry zip64 = @extra['Zip64'] [ @header_signature, @version, # version of encoding software @fstype, # filesystem type @version_needed_to_extract, # @versionNeededToExtract , @gp_flags, # @gp_flags , @compression_method, @time.to_binary_dos_time, # @last_mod_time , @time.to_binary_dos_date, # @last_mod_date , @crc, (zip64 && zip64.compressed_size) ? 0xFFFFFFFF : @compressed_size, (zip64 && zip64.original_size) ? 0xFFFFFFFF : @size, name_size, @extra ? @extra.c_dir_size : 0, comment_size, (zip64 && zip64.disk_start_number) ? 0xFFFF : 0, # disk number start @internal_file_attributes, # file type (binary=0, text=1) @external_file_attributes, # native filesystem attributes (zip64 && zip64.relative_header_offset) ? 0xFFFFFFFF : @local_header_offset, @name, @extra, @comment ].pack('VCCvvvvvVVVvvvvvVV') end |
#pack_local_entry ⇒ Object
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# File 'lib/zip/entry.rb', line 253 def pack_local_entry zip64 = @extra['Zip64'] [::Zip::LOCAL_ENTRY_SIGNATURE, @version_needed_to_extract, # version needed to extract @gp_flags, # @gp_flags , @compression_method, @time.to_binary_dos_time, # @last_mod_time , @time.to_binary_dos_date, # @last_mod_date , @crc, (zip64 && zip64.compressed_size) ? 0xFFFFFFFF : @compressed_size, (zip64 && zip64.original_size) ? 0xFFFFFFFF : @size, name_size, @extra ? @extra.local_size : 0].pack('VvvvvvVVVvv') end |
#parent_as_string ⇒ Object
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# File 'lib/zip/entry.rb', line 549 def parent_as_string entry_name = name.chomp('/') slash_index = entry_name.rindex('/') slash_index ? entry_name.slice(0, slash_index+1) : nil end |
#read_c_dir_entry(io) ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 359 def read_c_dir_entry(io) #:nodoc:all static_sized_fields_buf = io.read(::Zip::CDIR_ENTRY_STATIC_HEADER_LENGTH) check_c_dir_entry_static_header_length(static_sized_fields_buf) unpack_c_dir_entry(static_sized_fields_buf) check_c_dir_entry_signature set_time(@last_mod_date, @last_mod_time) @name = io.read(@name_length).gsub('\\', '/') read_c_dir_extra_field(io) @comment = io.read(@comment_length) check_c_dir_entry_comment_size set_ftype_from_c_dir_entry parse_zip64_extra(false) end |
#read_c_dir_extra_field(io) ⇒ Object
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# File 'lib/zip/entry.rb', line 351 def read_c_dir_extra_field(io) if @extra.is_a?(::Zip::ExtraField) @extra.merge(io.read(@extra_length)) else @extra = ::Zip::ExtraField.new(io.read(@extra_length)) end end |
#read_local_entry(io) ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 219 def read_local_entry(io) #:nodoc:all @local_header_offset = io.tell static_sized_fields_buf = io.read(::Zip::LOCAL_ENTRY_STATIC_HEADER_LENGTH) unless static_sized_fields_buf.bytesize == ::Zip::LOCAL_ENTRY_STATIC_HEADER_LENGTH raise Error, "Premature end of file. Not enough data for zip entry local header" end unpack_local_entry(static_sized_fields_buf) unless @header_signature == ::Zip::LOCAL_ENTRY_SIGNATURE raise ::Zip::Error, "Zip local header magic not found at location '#{local_header_offset}'" end set_time(@last_mod_date, @last_mod_time) @name = io.read(@name_length) extra = io.read(@extra_length) @name.gsub!('\\', '/') if extra && extra.bytesize != @extra_length raise ::Zip::Error, "Truncated local zip entry header" else if ::Zip::ExtraField === @extra @extra.merge(extra) else @extra = ::Zip::ExtraField.new(extra) end end parse_zip64_extra(true) @local_header_size = calculate_local_header_size end |
#set_default_vars_values ⇒ Object
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# File 'lib/zip/entry.rb', line 16 def set_default_vars_values @local_header_offset = 0 @local_header_size = nil # not known until local entry is created or read @internal_file_attributes = 1 @external_file_attributes = 0 @header_signature = ::Zip::CENTRAL_DIRECTORY_ENTRY_SIGNATURE @version_needed_to_extract = VERSION_NEEDED_TO_EXTRACT @version = VERSION_MADE_BY @ftype = nil # unspecified or unknown @filepath = nil @gp_flags = 0 if ::Zip.unicode_names @gp_flags |= EFS @version = 63 end @follow_symlinks = false @restore_times = true @restore_permissions = false @restore_ownership = false # BUG: need an extra field to support uid/gid's @unix_uid = nil @unix_gid = nil @unix_perms = nil #@posix_acl = nil #@ntfs_acl = nil @dirty = false end |
#set_extra_attributes_on_path(dest_path) ⇒ Object
:nodoc:
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# File 'lib/zip/entry.rb', line 400 def set_extra_attributes_on_path(dest_path) # :nodoc: return unless (file? || directory?) case @fstype when ::Zip::FSTYPE_UNIX (dest_path) end end |
#set_ftype_from_c_dir_entry ⇒ Object
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# File 'lib/zip/entry.rb', line 304 def set_ftype_from_c_dir_entry @ftype = case @fstype when ::Zip::FSTYPE_UNIX @unix_perms = (@external_file_attributes >> 16) & 07777 case (@external_file_attributes >> 28) when ::Zip::FILE_TYPE_DIR :directory when ::Zip::FILE_TYPE_FILE :file when ::Zip::FILE_TYPE_SYMLINK :symlink else #best case guess for whether it is a file or not #Otherwise this would be set to unknown and that entry would never be able to extracted if name_is_directory? :directory else :file end end else if name_is_directory? :directory else :file end end end |
#set_unix_permissions_on_path(dest_path) ⇒ Object
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# File 'lib/zip/entry.rb', line 390 def (dest_path) # BUG: does not update timestamps into account # ignore setuid/setgid bits by default. honor if @restore_ownership unix_perms_mask = 01777 unix_perms_mask = 07777 if @restore_ownership ::FileUtils.chmod(@unix_perms & unix_perms_mask, dest_path) if @restore_permissions && @unix_perms ::FileUtils.chown(@unix_uid, @unix_gid, dest_path) if @restore_ownership && @unix_uid && @unix_gid && ::Process.egid == 0 # File::utimes() end |
#time ⇒ Object Also known as: mtime
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# File 'lib/zip/entry.rb', line 74 def time if @extra['UniversalTime'] @extra['UniversalTime'].mtime else # Standard time field in central directory has local time # under archive creator. Then, we can't get timezone. @time end end |
#time=(value) ⇒ Object
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# File 'lib/zip/entry.rb', line 86 def time=(value) unless @extra.member?('UniversalTime') @extra.create('UniversalTime') end @extra['UniversalTime'].mtime = value @time = value end |
#to_s ⇒ Object
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# File 'lib/zip/entry.rb', line 160 def to_s @name end |
#unpack_c_dir_entry(buf) ⇒ Object
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# File 'lib/zip/entry.rb', line 280 def unpack_c_dir_entry(buf) @header_signature, @version, # version of encoding software @fstype, # filesystem type @version_needed_to_extract, @gp_flags, @compression_method, @last_mod_time, @last_mod_date, @crc, @compressed_size, @size, @name_length, @extra_length, @comment_length, _, # diskNumberStart @internal_file_attributes, @external_file_attributes, @local_header_offset, @name, @extra, @comment = buf.unpack('VCCvvvvvVVVvvvvvVV') end |
#unpack_local_entry(buf) ⇒ Object
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# File 'lib/zip/entry.rb', line 204 def unpack_local_entry(buf) @header_signature, @version, @fstype, @gp_flags, @compression_method, @last_mod_time, @last_mod_date, @crc, @compressed_size, @size, @name_length, @extra_length = buf.unpack('VCCvvvvVVVvv') end |
#verify_local_header_size! ⇒ Object
check before rewriting an entry (after file sizes are known) that we didn’t change the header size (and thus clobber file data or something)
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# File 'lib/zip/entry.rb', line 132 def verify_local_header_size! return if @local_header_size.nil? new_size = calculate_local_header_size raise Error, "local header size changed (#{@local_header_size} -> #{new_size})" if @local_header_size != new_size end |
#write_c_dir_entry(io) ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 436 def write_c_dir_entry(io) #:nodoc:all prep_zip64_extra(false) case @fstype when ::Zip::FSTYPE_UNIX ft = case @ftype when :file @unix_perms ||= 0644 ::Zip::FILE_TYPE_FILE when :directory @unix_perms ||= 0755 ::Zip::FILE_TYPE_DIR when :symlink @unix_perms ||= 0755 ::Zip::FILE_TYPE_SYMLINK end unless ft.nil? @external_file_attributes = (ft << 12 | (@unix_perms & 07777)) << 16 end end io << pack_c_dir_entry io << @name io << (@extra ? @extra.to_c_dir_bin : '') io << @comment end |
#write_local_entry(io, rewrite = false) ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 268 def write_local_entry(io, rewrite = false) #:nodoc:all prep_zip64_extra(true) verify_local_header_size! if rewrite @local_header_offset = io.tell io << pack_local_entry io << @name io << @extra.to_local_bin if @extra @local_header_size = io.tell - @local_header_offset end |
#write_to_zip_output_stream(zip_output_stream) ⇒ Object
:nodoc:all
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# File 'lib/zip/entry.rb', line 538 def write_to_zip_output_stream(zip_output_stream) #:nodoc:all if @ftype == :directory zip_output_stream.put_next_entry(self, nil, nil, ::Zip::Entry::STORED) elsif @filepath zip_output_stream.put_next_entry(self, nil, nil, self.compression_method || ::Zip::Entry::DEFLATED) get_input_stream { |is| ::Zip::IOExtras.copy_stream(zip_output_stream, is) } else zip_output_stream.copy_raw_entry(self) end end |