match.cc revision 2665:a124942bacb8 
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 */
30
31#include "base/match.hh"
32#include "base/str.hh"
33
34using namespace std;
35
36ObjectMatch::ObjectMatch()
37{
38}
39
40ObjectMatch::ObjectMatch(const string &expr)
41{
42    setExpression(expr);
43}
44
45void
46ObjectMatch::setExpression(const string &expr)
47{
48    tokens.resize(1);
49    tokenize(tokens[0], expr, '.');
50}
51
52void
53ObjectMatch::setExpression(const vector<string> &expr)
54{
55    if (expr.empty()) {
56        tokens.resize(0);
57    } else {
58        tokens.resize(expr.size());
59        for (int i = 0; i < expr.size(); ++i)
60            tokenize(tokens[i], expr[i], '.');
61    }
62}
63
64/**
65 * @todo this should probably be changed to just use regular
66 * expression code
67 */
68bool
69ObjectMatch::domatch(const string &name) const
70{
71    vector<string> name_tokens;
72    tokenize(name_tokens, name, '.');
73    int ntsize = name_tokens.size();
74
75    int num_expr = tokens.size();
76    for (int i = 0; i < num_expr; ++i) {
77        const vector<string> &token = tokens[i];
78        int jstop = token.size();
79
80        bool match = true;
81        for (int j = 0; j < jstop; ++j) {
82            if (j >= ntsize)
83                break;
84
85            const string &var = token[j];
86            if (var != "*" && var != name_tokens[j]) {
87                match = false;
88                break;
89            }
90        }
91
92        if (match == true)
93            return true;
94    }
95
96    return false;
97}
98
99