+ // <script type="text/javascript">
+/**
+ *
+ * pack a javascript file, and return a shorter version!
+ *
+ * a bit picky at present with ; and crlf reading...
+ * @arg ts {TokenStream}
+ @arg packer {Packer}
+ */
+
+CompressWhite = function (ts, packer, keepWhite)
+{
+ keepWhite = keepWhite || false;
+ ts.rewind();
+ //var str = File.read(fn);
+ var rep_var = 1;
+
+ while (true) {
+ var tok = ts.next();
+ if (!tok) {
+ break;
+ }
+ if (tok.type == "WHIT") {
+
+ continue;
+ //if (tok._isDoc) {
+ // continue;
+ //}
+ // just spaces, not \n!
+ //if (tok.data.indexOf("\n") < 0) {
+ // continue;
+ // }
+
+
+ }
+ if (tok.data == "}") {
+
+ if (ts.lookTok(1).type == 'NAME' && ts.look(1,true).name == "NEWLINE") {
+
+ ts.look(0).outData = ts.look(0).data+"\n";
+ }
+ // restore..
+
+ continue;
+ }
+ // add semi-colon's where linebreaks are used... - not foolproof yet.!
+ if (tok.type == "NAME") {
+ //var tokident = ts.look(-1).data + tok.data + ts.look(1).data + ts.look(2).data;
+ // a = new function() {}
+ if (ts.lookTok(1).data == '=' && ts.lookTok(2).name == 'NEW' &&
+ ts.lookTok(3).name == 'FUNCTION') {
+ // freeze time..
+ var cu = ts.cursor;
+
+ ts.balance("(");
+
+
+ ts.balance("{");
+ // if next is not ';' -> make it so...
+
+ if (ts.lookTok(1).data != ';' && ts.lookTok(1).data != '}' && ts.lookTok(1,true).name == "NEWLINE") {
+ ts.look(0).outData = ts.cur().data +";";
+ }
+ // restore..
+ ts.cursor = cu;
+ continue;
+ }
+ // a = function() { ...
+
+ if (ts.lookTok(1).data == '=' && ts.lookTok(2).name == "FUNCTION") {
+ // freeze time..
+ //println("got = function() ");
+ var cu = ts.cursor;
+
+ if (!ts.balance("(") ){
+ ts.dump(cu-40, cu);
+ print(">>>>>>>>>>>>>>>>>HERE>>>>>>>>>>>>");
+ ts.dump(cu, cu+40);
+
+ throw "could not find end lbrace!!!";
+ }
+ //print("AFTER BALANCE (");
+ //ts.dump(cu, ts.cursor);
+ //ts.cursor--; // cursor at the (
+ if (!ts.balance("{") ){
+ ts.dump(cu-40, cu);
+ print(">>>>>>>>>>>>>>>>>HERE>>>>>>>>>>>>");
+ ts.dump(cu, cu+40);
+
+ throw "could not find end lbrace!!!";
+ }
+ //print('FN: '+ts.tokens[cu].toString());
+ //print('F1: '+ts.lookTok(1).toString());
+ //print('F2: '+ts.look(1,true).toString());
+
+ // if next is not ';' -> make it so...
+ // although this var a=function(){},v,c; causes
+ if (ts.lookTok(1).data != ';' && ts.lookTok(1).data != '}' && ts.look(1,true).name == "NEWLINE") {
+
+ ts.look(0).outData = ts.look(0).data+";";
+ // print("ADDING SEMI: " + ts.look(0).toString());
+ //ts.dump(cu, ts.cursor+2);
+ }
+
+ //ts.dump(cu, ts.cursor+2);
+ // restore..
+ ts.cursor = cu;
+ continue;
+ }
+ // next item is a name..
+ if ((ts.lookTok(1).type == 'NAME' || ts.lookTok(1).type == 'KEYW' ) && ts.look(1,true).name == "NEWLINE") {
+ // preserve linebraek
+ ts.look(0).outData = ts.look(0).data+"\n";
+ }
+ // method call followed by name..
+ if (ts.lookTok(1).data == "(") {
+ var cu = ts.cursor;
+
+ ts.balance("(");
+ // although this var a=function(){},v,c; causes
+
+ if (ts.lookTok(1).type == 'NAME' && ts.look(1,true).name == "NEWLINE") {
+
+ ts.look(0).outData = ts.look(0).data+"\n";
+ }
+ // restore..
+ ts.cursor = cu;
+ continue;
+ }
+
+
+ // function a () { ... };
+ /*
+ if (ts.look(-1).isTypeN(Script.TOKfunction) && ts.look(1).isTypeN(Script.TOKlparen)) {
+ // freeze time..
+ //println("got = function() ");
+ var cu = ts.cursor;
+
+ ts.balance("lparen");
+ ts.balance("lbrace");
+ // if next is not ';' -> make it so...
+ // although this var a=function(){},v,c; causes
+ if (!ts.look(1).isData(';') && !ts.look(1).isData('}') && ts.look(1,true).isLineBreak()) {
+ ts.cur().outData = ts.cur().data+";";
+ }
+ // restore..
+ ts.cursor = cu;
+ continue;
+ }
+ */
+
+ // a = { ....
+
+ if (ts.lookTok(1).data == '=' && ts.lookTok(2).data == '{') {
+ // freeze time..
+ //println("----------*** 3 *** --------------");
+ var cu = ts.cursor;
+
+ if (!ts.balance("{") ){
+ ts.dump(cu-40, cu);
+ print(">>>>>>>>>>>>>>>>>HERE>>>>>>>>>>>>");
+ ts.dump(cu, cu+40);
+
+ throw "could not find end lbrace!!!";
+ }
+ // if next is not ';' -> make it so...
+
+ if (ts.lookTok(1).data != ';' && ts.lookTok(1).data != '}' && ts.look(1,true).name=="NEWLINE") {
+ ts.look(0).outData = ts.look(0).data +";";
+ }
+ // restore..
+ ts.cursor = cu;
+ continue;
+ }
+
+ // any more??
+ // a = function(....) { }
+
+ }
+
+
+
+
+ //println("got Token: " + tok.type);
+
+
+
+ switch(tok.data.toUpperCase()) {
+ // things that need space appending
+ case "FUNCTION":
+ case "BREAK":
+ case "CONTINUE":
+ // if next item is a identifier..
+ if (ts.lookTok(1).type == "NAME" || ts.lookTok(1).data.match(/^[a-z]+$/i) ) { // as include is a keyword for us!!
+ tok.outData = tok.data + " ";
+ }
+ continue;
+
+
+ case "RETURN": // if next item is not a semi; (or }
+ if (ts.lookTok(1).data == ';' || ts.lookTok(1).data == '}') {
+ continue;
+ }
+ tok.outData = tok.data + " ";
+
+ continue;
+
+
+ case "ELSE": // if next item is not a semi; (or }
+ if (!ts.lookTok(1).name == "IF") {
+ continue;
+ }
+
+ tok.outData = tok.data + " ";
+ continue;
+
+ case "++": // if previous was a plus or next is a + add a space..
+ case "--": // if previous was a - or next is a - add a space..
+
+ var p = (tok.data == "--" ? '-' : '+');
+
+ if (ts.lookTok(1).data == p) {
+ tok.outData = tok.data + " ";
+ }
+ if (ts.lookTok(-1).data == p) {
+ tok.outData = " " + tok.data;
+
+ }
+ continue;
+
+ case "IN": // before and after??
+ case "INSTANCEOF":
+
+ tok.outData = " " + tok.data + " ";
+ continue;
+
+ case "VAR": // always after..
+ case "NEW":
+ case "DELETE":
+ case "THROW":
+ case "CASE":
+
+ case "VOID":
+ tok.outData = tok.data + " ";
+
+ continue
+
+ case "TYPEOF": // what about typeof(
+ if (ts.lookTok(1).data != '(') {
+ tok.outData = tok.data + " ";
+ }
+ continue;
+ case ";":
+ //remove semicolon before brace --
+ //if(ts.look(1).isTypeN(Script.TOKrbrace)) {
+ // tok.outData = '';
+ // }
+ continue;
+
+ default:
+ continue;
+ }
+ }
+
+ ts.rewind();
+
+ // NOW OUTPUT THE THING.
+ //var f = new File(minfile, File.NEW);
+
+ var out = '';
+ var outoff = 0;
+ out.length = ts.slen; // prealloc.
+ out = '';
+ var tok;
+ while (true) {
+
+ tok = keepWhite ? ts.next() : ts.nextTok();
+
+ if (!tok) {
+ break;
+ }
+
+
+ if (tok.type == "NAME" && tok.identifier && tok.identifier.mungedValue && tok.identifier.mungedValue.length) {
+ //f.write(tok.identifier.mungedValue);
+ out += tok.identifier.mungedValue;
+ continue;
+ }
+
+ // at this point we can apply a text translation kit...
+
+ if ((tok.type == 'STRN') && (tok.name== 'DOUBLE_QUOTE')) {
+ if (packer && packer.stringHandler) {
+ out += packer.stringHandler(tok);
+ continue;
+ }
+ }
+
+ out += tok.outData !== false ? tok.outData : tok.data;
+
+ if ((tok.outData == ';') && (out.length - outoff > 255)) {
+ outoff = out.length;
+ out += "\n";
+ }
+ }
+ //f.close();
+ /*
+ // remove the last ';' !!!
+ if (out.substring(out.length-1) == ';') {
+ return out.substring(0,out.length-1);
+ }
+ */
+ return out;
+
+}
+
+
\ No newline at end of file