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+//
+// Automated Testing Framework (atf)
+//
+// Copyright (c) 2007 The NetBSD Foundation, Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. 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.
+//
+// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <stdexcept>
+
+#include "expand.hpp"
+#include "text.hpp"
+
+namespace impl = tools::expand;
+#define IMPL_NAME "tools::expand"
+
+// ------------------------------------------------------------------------
+// Auxiliary functions.
+// ------------------------------------------------------------------------
+
+namespace {
+
+std::string
+glob_to_regex(const std::string& glob)
+{
+ std::string regex;
+ regex.reserve(glob.length() * 2);
+
+ regex += '^';
+ for (std::string::const_iterator iter = glob.begin(); iter != glob.end();
+ iter++) {
+ switch (*iter) {
+ case '*': regex += ".*"; break;
+ case '?': regex += "."; break;
+ default: regex += *iter;
+ }
+ }
+ regex += '$';
+
+ return regex;
+}
+
+} // anonymous namespace
+
+// ------------------------------------------------------------------------
+// Free functions.
+// ------------------------------------------------------------------------
+
+bool
+impl::is_glob(const std::string& glob)
+{
+ // NOTE: Keep this in sync with glob_to_regex!
+ return glob.find_first_of("*?") != std::string::npos;
+}
+
+bool
+impl::matches_glob(const std::string& glob, const std::string& candidate)
+{
+ return tools::text::match(candidate, glob_to_regex(glob));
+}