jlaskey@3: /*
jlaskey@7:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
jlaskey@3:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962:  *
jlaskey@3:  * This code is free software; you can redistribute it and/or modify it
jlaskey@3:  * under the terms of the GNU General Public License version 2 only, as
jlaskey@3:  * published by the Free Software Foundation.
attila@962:  *
jlaskey@3:  * This code is distributed in the hope that it will be useful, but WITHOUT
jlaskey@3:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jlaskey@3:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jlaskey@3:  * version 2 for more details (a copy is included in the LICENSE file that
jlaskey@3:  * accompanied this code).
attila@962:  *
jlaskey@3:  * You should have received a copy of the GNU General Public License version
jlaskey@3:  * 2 along with this work; if not, write to the Free Software Foundation,
jlaskey@3:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962:  *
jlaskey@3:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jlaskey@3:  * or visit www.oracle.com if you need additional information or have any
jlaskey@3:  * questions.
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: /**
attila@962:  * NASHORN-208
jlaskey@3:  *
jlaskey@3:  * @test
jlaskey@3:  * @run
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: var inspect = function(x) { return x; }
jlaskey@3: 
jlaskey@3: var formatRegExp = /%[sdj%]/g;
jlaskey@3: 
jlaskey@3: var format = function(f) {
jlaskey@3:   if (typeof f !== 'string') {
jlaskey@3:     var objects = [];
jlaskey@3:     for (var i = 0; i < arguments.length; i++) {
jlaskey@3:       objects.push(inspect(arguments[i]));
jlaskey@3:     }
jlaskey@3:     return objects.join(' ');
jlaskey@3:   }
jlaskey@3: 
jlaskey@3:   var i = 1;
jlaskey@3:   var args = arguments;
jlaskey@3:   var len = args.length;
jlaskey@3:   var str = String(f).replace(formatRegExp, function(x) {
jlaskey@3:     if (i >= len) return x;
jlaskey@3:     switch (x) {
jlaskey@3:       case '%s': return String(args[i++]);
jlaskey@3:       case '%d': return Number(args[i++]);
jlaskey@3:       case '%j': return JSON.stringify(args[i++]);
jlaskey@3:       case '%%': return '%';
jlaskey@3:       default:
jlaskey@3:         return x;
jlaskey@3:     }
jlaskey@3:   });
jlaskey@3:   for (var x = args[i]; i < len; x = args[++i]) {
jlaskey@3:     if (x === null || typeof x !== 'object') {
jlaskey@3:       str += ' ' + x;
jlaskey@3:     } else {
jlaskey@3:       str += ' ' + inspect(x);
jlaskey@3:     }
jlaskey@3:   }
jlaskey@3:   return str;
jlaskey@3: };
jlaskey@3: 
jlaskey@3: var s = format('%s %s', 'foo', 'bar', 'hop');
jlaskey@3: print(s);
jlaskey@3: