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authormensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
committermensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
commite44a7e37b6c7b5961adaffc62b9042b8d442938e (patch)
tree95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/encoding/digests/_base.js
parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
downloadsemanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz
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New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
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+if(!dojo._hasResource["dojox.encoding.digests._base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.encoding.digests._base"] = true;
+dojo.provide("dojox.encoding.digests._base");
+
+(function(){
+ //TODO: see if it makes sense to meld this into one with the
+ // crypto base enums
+ var d=dojox.encoding.digests;
+ d.outputTypes={
+ // summary
+ // Enumeration for input and output encodings.
+ Base64:0, Hex:1, String:2, Raw:3
+ };
+
+ // word-based addition
+ d.addWords=function(/* word */a, /* word */b){
+ // summary
+ // add a pair of words together with rollover
+ var l=(a&0xFFFF)+(b&0xFFFF);
+ var m=(a>>16)+(b>>16)+(l>>16);
+ return (m<<16)|(l&0xFFFF); // word
+ };
+
+ // word-based conversion method, for efficiency sake;
+ // most digests operate on words, and this should be faster
+ // than the encoding version (which works on bytes).
+ var chrsz=8;
+ var mask=(1<<chrsz)-1;
+
+ d.stringToWord=function(/* string */s){
+ // summary
+ // convert a string to a word array
+ var wa=[];
+ for(var i=0, l=s.length*chrsz; i<l; i+=chrsz){
+ wa[i>>5]|=(s.charCodeAt(i/chrsz)&mask)<<(i%32);
+ }
+ return wa; // word[]
+ };
+
+ d.wordToString=function(/* word[] */wa){
+ // summary
+ // convert an array of words to a string
+ var s=[];
+ for(var i=0, l=wa.length*32; i<l; i+=chrsz){
+ s.push(String.fromCharCode((wa[i>>5]>>>(i%32))&mask));
+ }
+ return s.join(""); // string
+ }
+
+ d.wordToHex=function(/* word[] */wa){
+ // summary
+ // convert an array of words to a hex tab
+ var h="0123456789abcdef", s=[];
+ for(var i=0, l=wa.length*4; i<l; i++){
+ s.push(h.charAt((wa[i>>2]>>((i%4)*8+4))&0xF)+h.charAt((wa[i>>2]>>((i%4)*8))&0xF));
+ }
+ return s.join(""); // string
+ }
+ d.wordToBase64=function(/* word[] */wa){
+ // summary
+ // convert an array of words to base64 encoding, should be more efficient
+ // than using dojox.encoding.base64
+ var p="=", tab="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", s=[];
+ for(var i=0, l=wa.length*4; i<l; i+=3){
+ var t=(((wa[i>>2]>>8*(i%4))&0xFF)<<16)|(((wa[i+1>>2]>>8*((i+1)%4))&0xFF)<<8)|((wa[i+2>>2]>>8*((i+2)%4))&0xFF);
+ for(var j=0; j<4; j++){
+ if(i*8+j*6>wa.length*32){
+ s.push(p);
+ } else {
+ s.push(tab.charAt((t>>6*(3-j))&0x3F));
+ }
+ }
+ }
+ return s.join(""); // string
+ };
+})();
+
+}