Class: Zip::ZipEntry

Inherits:
Object show all
Defined in:
lib/buildr/packaging/zip.rb

Instance Method Summary collapse

Instance Method Details

#contain?(*patterns) ⇒ Boolean

:call-seq:

contain(patterns*) => boolean

Returns true if this ZIP file entry matches against all the arguments. An argument may be a string or regular expression.

Returns:

  • (Boolean) 


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# File 'lib/buildr/packaging/zip.rb', line 68

def contain?(*patterns)
  content = Zip::ZipFile.open(zipfile) { |zip| zip.file.read(@name) }
  patterns.map { |pattern| Regexp === pattern ? pattern : Regexp.new(Regexp.escape(pattern.to_s)) }.
    all? { |pattern| content =~ pattern }
end

#empty? ⇒ Boolean

:call-seq:

empty?() => boolean

Returns true if this entry is empty.

Returns:

  • (Boolean) 


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# File 'lib/buildr/packaging/zip.rb', line 59

def empty?()
  Zip::ZipFile.open(zipfile) { |zip| zip.file.read(@name) }.empty?
end

#exist? ⇒ Boolean

:call-seq:

exist() => boolean

Returns true if this entry exists.

Returns:

  • (Boolean) 


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# File 'lib/buildr/packaging/zip.rb', line 51

def exist?()
  Zip::ZipFile.open(zipfile) { |zip| zip.file.exist?(@name) }
end

#write_c_dir_entry(io) ⇒ Object

Override write_c_dir_entry to fix comments being set to a fixnum instead of string



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# File 'lib/buildr/packaging/zip.rb', line 75

def write_c_dir_entry(io) #:nodoc:all
  case @fstype
    when FSTYPE_UNIX
      ft = nil
      case @ftype
        when :file
          ft = 010
          @unix_perms ||= 0644
        when :directory
          ft = 004
          @unix_perms ||= 0755
        when :symlink
          ft = 012
          @unix_perms ||= 0755
        else
          raise ZipInternalError, "unknown file type #{self.inspect}"
      end

      @externalFileAttributes = (ft << 12 | (@unix_perms & 07777)) << 16
  end

  io <<
    [0x02014b50,
     @version,                  # version of encoding software
     @fstype,                   # filesystem type
     10,                        # @versionNeededToExtract
     0,                         # @gp_flags
     @compression_method,
     @time.to_binary_dos_time,  # @lastModTime
     @time.to_binary_dos_date,  # @lastModDate
     @crc,
     @compressed_size,
     @size,
     @name ? @name.length : 0,
     @extra ? @extra.c_dir_length : 0,
     @comment ? comment.to_s.length : 0,
     0,                         # disk number start
     @internalFileAttributes,   # file type (binary=0, text=1)
     @externalFileAttributes,   # native filesystem attributes
     @localHeaderOffset,
     @name,
     @extra,
     @comment
  ].pack('VCCvvvvvVVVvvvvvVV')

  io << @name
  io << (@extra ? @extra.to_c_dir_bin : "")
  io << @comment
end