Class: Asciidoctor::Diagram::BinaryIO
- Inherits:
-
Object
- Object
- Asciidoctor::Diagram::BinaryIO
- Defined in:
- lib/asciidoctor-diagram/util/binaryio.rb
Overview
Helper class to read binary values from a String
Instance Method Summary collapse
-
#initialize(string) ⇒ BinaryIO
constructor
A new instance of BinaryIO.
- #read_string(length, encoding = Encoding::ASCII_8BIT) ⇒ Object
- #read_uint32_be ⇒ Object
- #skip(length) ⇒ Object
Constructor Details
#initialize(string) ⇒ BinaryIO
Returns a new instance of BinaryIO.
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# File 'lib/asciidoctor-diagram/util/binaryio.rb', line 6 def initialize(string) @data = string @offset = 0 end |
Instance Method Details
#read_string(length, encoding = Encoding::ASCII_8BIT) ⇒ Object
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# File 'lib/asciidoctor-diagram/util/binaryio.rb', line 17 def read_string(length, encoding = Encoding::ASCII_8BIT) str = @data[@offset,length] @offset += length str.force_encoding(encoding) end |
#read_uint32_be ⇒ Object
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# File 'lib/asciidoctor-diagram/util/binaryio.rb', line 11 def read_uint32_be uint32 = @data[@offset,4].unpack('N')[0] @offset += 4 uint32 end |
#skip(length) ⇒ Object
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# File 'lib/asciidoctor-diagram/util/binaryio.rb', line 23 def skip(length) @offset += length end |