diff options
Diffstat (limited to 'src/base/match.cc')
-rw-r--r-- | src/base/match.cc | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/base/match.cc b/src/base/match.cc new file mode 100644 index 000000000..994209864 --- /dev/null +++ b/src/base/match.cc @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2004-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Nathan Binkert + */ + +#include "base/match.hh" +#include "base/str.hh" + +using namespace std; + +ObjectMatch::ObjectMatch() +{ +} + +ObjectMatch::ObjectMatch(const string &expr) +{ + setExpression(expr); +} + +void +ObjectMatch::setExpression(const string &expr) +{ + tokens.resize(1); + tokenize(tokens[0], expr, '.'); +} + +void +ObjectMatch::setExpression(const vector<string> &expr) +{ + if (expr.empty()) { + tokens.resize(0); + } else { + tokens.resize(expr.size()); + for (int i = 0; i < expr.size(); ++i) + tokenize(tokens[i], expr[i], '.'); + } +} + +/** + * @todo this should probably be changed to just use regular + * expression code + */ +bool +ObjectMatch::domatch(const string &name) const +{ + vector<string> name_tokens; + tokenize(name_tokens, name, '.'); + int ntsize = name_tokens.size(); + + int num_expr = tokens.size(); + for (int i = 0; i < num_expr; ++i) { + const vector<string> &token = tokens[i]; + int jstop = token.size(); + + bool match = true; + for (int j = 0; j < jstop; ++j) { + if (j >= ntsize) + break; + + const string &var = token[j]; + if (var != "*" && var != name_tokens[j]) { + match = false; + break; + } + } + + if (match == true) + return true; + } + + return false; +} + |