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#ifndef QPID_SYS_REGEX_H
#define QPID_SYS_REGEX_H
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifdef _POSIX_SOURCE
# include <stdexcept>
# include <string>
# include <regex.h>
#elif defined(_MSC_VER)
# include <regex>
#else
#error "No known regex implementation"
#endif
// This is a very simple wrapper for Basic Regular Expression facilities either
// provided by POSIX or C++ tr1
//
// Matching expressions are not supported and so the only useful operation is
// a simple boolean match indicator.
namespace qpid {
namespace sys {
#ifdef _POSIX_SOURCE
class regex {
::regex_t re;
public:
regex(const std::string& s) {
int rc = ::regcomp(&re, s.c_str(), REG_NOSUB);
if (rc != 0) throw std::logic_error("Regular expression compilation error");
}
~regex() {
::regfree(&re);
}
friend bool regex_match(const std::string& s, const regex& re);
};
bool regex_match(const std::string& s, const regex& re) {
return ::regexec(&(re.re), s.c_str(), 0, 0, 0)==0;
}
#elif defined(_MSC_VER)
class regex : public std::tr1::regex {
public:
regex(const std::string& s) :
std::tr1::regex(s, std::tr1::regex::basic)
{}
};
using std::tr1::regex_match;
#else
#error "No known regex implementation"
#endif
}}
#endif
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