1 /*
 2  * Copyright (c) 2019, 2024, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
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24 
25 #ifndef SHARE_UTILITIES_CLASSPATHSTREAM_HPP
26 #define SHARE_UTILITIES_CLASSPATHSTREAM_HPP
27 
28 class ClasspathStream : public StackObj {
29   const char* _class_path;
30   int _len;
31   int _start;
32   int _end;
33 
34 public:
35   ClasspathStream(const char* class_path) {
36     _class_path = class_path;
37     _len = (int)strlen(class_path);
38     _start = 0;
39     _end = 0;
40   }
41 
42   bool has_next() {
43     return _start < _len;
44   }
45 
46   const char* get_next();
47 
48   // Number of characters have been consumed from the input (this->_classpath)
49   // ClasspathStream cps("a:b:c");
50   // cps.next();    /* returns "a" */
51   // cps.next();    /* returns "b" */
52   // cps.num_chars_consumed() == 3;
53   size_t num_chars_consumed() {
54     return (size_t)_start;
55   }
56 };
57 
58 #endif // SHARE_UTILITIES_CLASSPATHSTREAM_HPP