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/*
* Copyright (c) 2019 The Regents of the University of California
* 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.
*/
#include "base/match.hh"
#include "base/str.hh"
using namespace std;
ObjectMatch::ObjectMatch()
{
}
ObjectMatch::ObjectMatch(const string &expr)
{
setExpression(expr);
}
void
ObjectMatch::add(const ObjectMatch &other)
{
tokens.insert(tokens.end(), other.tokens.begin(), other.tokens.end());
}
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 (vector<string>::size_type 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)
return true;
}
return false;
}
std::vector<std::vector<std::string> >
ObjectMatch::getExpressions()
{
std::vector<std::vector<std::string> > to_return;
for (const auto &expression: tokens) {
std::vector<std::string> to_add;
to_add.insert(to_add.end(), expression.begin(), expression.end());
to_return.push_back(to_add);
}
return to_return;
}