Class: Origami::HexaString
- Inherits:
-
String
- Object
- String
- Origami::HexaString
- Includes:
- String
- Defined in:
- lib/origami/string.rb,
lib/origami/obfuscation.rb
Overview
Class representing an hexadecimal-writen String Object.
Constant Summary collapse
- TOKENS =
:nodoc:
%w{ < > }
- @@regexp_open =
Regexp.new(WHITESPACES + TOKENS.first)
- @@regexp_close =
Regexp.new(TOKENS.last)
Instance Attribute Summary
Attributes included from String
Attributes included from Object
#file_offset, #generation, #no, #objstm_offset, #parent
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(str = "") ⇒ HexaString
constructor
Creates a new PDF hexadecimal String.
-
#to_literal ⇒ Object
Converts self to a literal String.
-
#to_s ⇒ Object
(also: #to_obfuscated_str)
:nodoc:.
- #value ⇒ Object
Methods included from String
#detect_encoding, #to_pdfdoc, #to_utf16be, #to_utf8
Methods included from Object
#<=>, #cast_to, #copy, #document, #export, included, #indirect?, #indirect_parent, #logicalize, #logicalize!, #native_type, #post_build, #pre_build, #reference, #set_document, #set_indirect, skip_until_next_obj, #solve, #to_o, #type, typeof, #version_required, #xrefs
Constructor Details
#initialize(str = "") ⇒ HexaString
Creates a new PDF hexadecimal String.
- str
-
The string value.
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# File 'lib/origami/string.rb', line 173 def initialize(str = "") unless str.is_a?(::String) raise TypeError, "Expected type String, received #{str.class}." end super(str) end |
Class Method Details
.parse(stream, _parser = nil) ⇒ Object
:nodoc:
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# File 'lib/origami/string.rb', line 181 def self.parse(stream, _parser = nil) #:nodoc: offset = stream.pos if stream.skip(@@regexp_open).nil? raise InvalidHexaStringObjectError, "Hexadecimal string shall start with a '#{TOKENS.first}' token" end hexa = stream.scan_until(@@regexp_close) if hexa.nil? raise InvalidHexaStringObjectError, "Hexadecimal string shall end with a '#{TOKENS.last}' token" end decoded = Filter::ASCIIHex.decode(hexa.chomp!(TOKENS.last)) hexastr = HexaString.new(decoded) hexastr.file_offset = offset hexastr end |
Instance Method Details
#to_literal ⇒ Object
Converts self to a literal String.
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# File 'lib/origami/string.rb', line 208 def to_literal LiteralString.new(self.value) end |
#to_s ⇒ Object Also known as: to_obfuscated_str
:nodoc:
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# File 'lib/origami/string.rb', line 201 def to_s #:nodoc: super(TOKENS.first + Filter::ASCIIHex.encode(to_str) + TOKENS.last) end |
#value ⇒ Object
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# File 'lib/origami/string.rb', line 212 def value self.decrypt! if self.is_a?(Encryption::EncryptedString) and not @decrypted to_str end |