hexdump.js/dist/hexdump.min.js

2 lines
894 B
JavaScript

(function(){"use strict";function hexdump(ab,offset,len,opts){if(!opts){opts={}}var ui8=new Uint8Array(ab.buffer||ab,offset||ab.byteOffset,len||ab.byteLength);var bytecount=0;var head=" 0 1 2 3 4 5 6 7 8 9 A B C D E F";var trail;var str=[].slice.call(ui8).map(function(i){var h=i.toString(16);if(h.length<2){h="0"+h}return h}).join("").match(/.{1,2}/g).join(" ").match(/.{1,48}/g).map(function(str){var lead=bytecount.toString(16);bytecount+=16;while(lead.length<7){lead="0"+lead}while(str.length<48){str+=" "}if(opts.C){return lead+" "+str+" |"+str.replace(/ /g,"").match(/.{1,2}/g).map(function(ch){var c=String.fromCharCode(parseInt(ch,16));if(!/[ -~]/.test(c)){c="."}return c}).join("")+"|"}else{return lead+" "+str}}).join("\n");trail=(len||ab.byteLength).toString(16);while(trail.length<7){trail="0"+trail}return head+"\n"+str+"\n"+trail}window.hexdump=hexdump})();