Class: DumpUtilities

Inherits:
Object
  • Object
show all
Defined in:
lib/DumpUtilities.rb

Class Method Summary collapse

Class Method Details

.font_dump(buffer) ⇒ Object 



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# File 'lib/DumpUtilities.rb', line 22

def DumpUtilities.font_dump(buffer)
#treat buffer as a set 8 bit wide characters
s=""
c=0
buffer.each_byte do |byte| 
    s<<sprintf(";char %02x\n",c>>3) if c%8==0
    s<<sprintf("%08b\n",byte).tr("1","#").tr("0"," ")
    c+=1
    
end
s
end

.hex_dump(buffer) ⇒ Object 



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# File 'lib/DumpUtilities.rb', line 3

def DumpUtilities.hex_dump(buffer)
 	s=""
(0..(buffer.length/16)).each {|line_number|
	 lhs=""
	 rhs=""
	 start_byte=line_number*16
	 line=buffer[start_byte..start_byte+15]
	if line.length>0 then
		 line.each_byte {|byte|
			  lhs+= sprintf("%02X ", byte)
			  rhs+= (byte%128).chr.sub(/[\x00-\x1f]/,'.')
	 	}
		lhs+=" "*(16-line.length)*3
		s+=sprintf("%02X\t%s %s\n",start_byte,lhs,rhs)
	end
}
s
end