GNURegex.h
// -*- mode: c++; c-basic-offset:4 -*-
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
// Copyright (c) 2005 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#ifndef _Regex_h
#define _Regex_h 1
#define USE_CPP_11_REGEX 0
#if USE_CPP_11_REGEX
#include <regex>
#else
#include <string>
#endif
namespace libdap {
class Regex {
private:
#if USE_CPP_11_REGEX
std::regex d_exp;
void init(const char *s) { d_exp = std::regex(s); }
void init(const std::string &s) { d_exp = std::regex(s); } // , std::regex::basic
#else
// d_preg was a regex_t* but I needed to include both regex.h and config.h
// to make the gnulib code work. Because this header is installed (and is
// used by other libraries) it cannot include config.h, so I moved the
// regex.h and config.h (among other) includes to the implementation. It
// would be cleaner to use a special class, but for one field that seems
// like overkill.
void *d_preg;
void init(const char *t);
void init(const std::string &s) { init(s.c_str()); } // std::regex::ECMAScript
#endif
public:
explicit Regex(const char *s) { init(s); }
Regex(const char *s, int) { init(s); }
explicit Regex(const std::string &s) { init(s); }
#if USE_CPP_11_REGEX
~Regex() = default;
#else
~Regex();
#endif
int match(const char *s, int len, int pos = 0) const;
int match(const std::string &s) const;
int search(const char *s, int len, int &matchlen, int pos = 0) const;
int search(const std::string &s, int &matchlen) const;
};
#if 0
class Regex
{
private:
- std::regex d_exp;
-
- void init(const char *s) { d_exp = std::regex(s); }
- void init(const std::string &s) { d_exp = std::regex(s); } // , std::regex::basic
+ // d_preg was a regex_t* but I needed to include both regex.h and config.h
+ // to make the gnulib code work. Because this header is installed (and is
+ // used by other libraries) it cannot include config.h, so I moved the
+ // regex.h and config.h (among other) includes to the implementation. It
+ // would be cleaner to use a special class, but for one field that seems
+ // like overkill.
+ void *d_preg;
+ void init(const char *t);
public:
-
- explicit Regex(const char *s) { init(s); }
-
- Regex(const char *s, int) { init(s); }
-
- explicit Regex(const std::string &s) { init(s); }
-
- ~Regex() = default;
-
-
- int match(const char *s, int len, int pos = 0) const;
-
- int match(const std::string &s) const;
-
-
- int search(const char *s, int len, int &matchlen, int pos = 0) const ;
-
- int search(const std::string &s, int &matchlen) const;
+ Regex(const char *t);
+ Regex(const char *t, int dummy);
+ ~Regex();
+
+
+ int match(const char* s, int len, int pos = 0);
+
+ int search(const char* s, int len, int& matchlen, int pos = 0);
};
#endif
} // namespace libdap
#endif
libdap::Regex
Regular expression matching.
Definition GNURegex.h:54
libdap::Regex::Regex
Regex(const char *s)
initialize a Regex with a C string
Definition GNURegex.h:76
libdap::Regex::Regex
Regex(const std::string &s)
nitialize a Regex with a C++ string
Definition GNURegex.h:80
libdap::Regex::search
int search(const char *s, int len, int &matchlen, int pos=0) const
How much of the string does the pattern match.
Definition GNURegex.cc:197
libdap::Regex::Regex
Regex(const char *s, int)
Definition GNURegex.h:78
libdap::Regex::match
int match(const char *s, int len, int pos=0) const
Does the pattern match.
Definition GNURegex.cc:136
libdap
top level DAP object to house generic methods
Definition AlarmHandler.h:35