Method: Converter#rstring2cstr

Defined in:
lib/cast_off/compile/namespace/namespace.rb

#rstring2cstr(str, strmax, rs = nil) ⇒ Object

Returns a 2-dimensional array [[str, len], [str, len], … ]

This is needed because Ruby’s String#dump is different from C’s.



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# File 'lib/cast_off/compile/namespace/namespace.rb', line 511

def rstring2cstr str, strmax, rs = nil
  return [["".inspect, 0]] if str.empty?
  a = str.each_line rs
  a = a.to_a
  a.map! do |b|
    c = b.each_byte.each_slice strmax
    c.to_a
  end
  a.flatten! 1
  a.map! do |bytes|
    b = bytes.each_slice 80
    c = b.map do |d|
      d.map do |e|
        '\\x%x' % e
        #case e # this case statement is optimized
        #when 0x00 then '\\0'
        #when 0x07 then '\\a'
        #when 0x08 then '\\b'
        #when 0x09 then '\\t'
        #when 0x0A then '\\n'
        #when 0x0B then '\\v'
        #when 0x0C then '\\f'
        #when 0x0D then '\\r'
        #when 0x22 then '\\"'
        #when 0x27 then '\\\''
        #when 0x5C then '\\\\' # not \\
        #else
        #case e
        #when 0x20 ... 0x7F then '%c' % e
        #else '\\x%x' % e
        #end
        #end
      end
    end
    c.map! do |d|
      "\n        " '"' + d.join + '"'
    end
    if c.size == 1
      c.first.strip!
    end
    [ c.join, bytes.size, ]
  end
  a
end