Class: Aerospike::Utils::StringParser

Inherits:
Object
  • Object
show all
Defined in:
lib/aerospike/utils/string_parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(str) ⇒ StringParser

Returns a new instance of StringParser.



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# File 'lib/aerospike/utils/string_parser.rb', line 25

def initialize(str)
  @io = ::StringIO.new(str)
end

Instance Attribute Details

#io ⇒ Object (readonly)

Returns the value of attribute io.



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# File 'lib/aerospike/utils/string_parser.rb', line 23

def io
  @io
end

Instance Method Details

#current ⇒ Object 



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# File 'lib/aerospike/utils/string_parser.rb', line 29

def current
  @io.string[@io.tell]
end

#expect(char) ⇒ Object

Reads next character and raise if not matching desired one

Raises:



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# File 'lib/aerospike/utils/string_parser.rb', line 34

def expect(char)
  raise ::Aerospike::Exceptions::Parse unless @io.read(1) == char
end

#prev ⇒ Object 



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# File 'lib/aerospike/utils/string_parser.rb', line 48

def prev
  @io.string[@io.tell - 1]
end

#read_until(*args) ⇒ Object 



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# File 'lib/aerospike/utils/string_parser.rb', line 38

def read_until(*args)
  [].tap do |result|
    loop do
      chr = @io.read(1)
      break if args.include?(chr)
      result << chr
    end
  end.join
end

#step(count = 1) ⇒ Object 



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# File 'lib/aerospike/utils/string_parser.rb', line 52

def step(count = 1)
  @io.read(count)
end