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construct/include/ircd/stringops.h

119 lines
3.6 KiB
C++

/*
* charybdis: an advanced ircd.
* inline/stringops.h: inlined string operations used in a few places
*
* Copyright (C) 2005-2016 Charybdis Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#pragma once
#define HAVE_IRCD_STRINGOPS_H
#ifdef __cplusplus
namespace ircd {
using token_closure_string = std::function<void (const std::string &)>;
void tokens(const std::string &str, const char *const &sep, const token_closure_string &);
std::string chomp(const std::string &str, const std::string &c = " "s);
std::pair<std::string, std::string> split(const std::string &str, const std::string &delim = " "s);
std::string between(const std::string &str, const std::string &a = "("s, const std::string &b = ")"s);
bool endswith(const std::string &str, const char *const &val);
bool endswith(const std::string &str, const std::string &val);
template<class It> bool endswith_any(const std::string &str, const It &begin, const It &end);
bool startswith(const std::string &str, const char *const &val);
bool startswith(const std::string &str, const std::string &val);
char *strip_colour(char *string);
char *strip_unprintable(char *string);
char *reconstruct_parv(int parc, const char **parv);
} // namespace ircd
inline bool
ircd::startswith(const std::string &str,
const std::string &val)
{
const auto pos(str.find(val, 0));
return pos == 0;
}
inline bool
ircd::startswith(const std::string &str,
const char *const &val)
{
const auto pos(str.find(val, 0, strlen(val)));
return pos == 0;
}
template<class It>
bool
ircd::endswith_any(const std::string &str,
const It &begin,
const It &end)
{
return std::any_of(begin, end, [&str](const auto &val)
{
return endswith(str, val);
});
}
inline bool
ircd::endswith(const std::string &str,
const std::string &val)
{
const auto vlen(std::min(str.size(), val.size()));
const auto pos(str.find(val, vlen));
return pos == str.size() - vlen;
}
inline bool
ircd::endswith(const std::string &str,
const char *const &val)
{
const auto vlen(std::min(str.size(), strlen(val)));
const auto pos(str.find(val, str.size() - vlen));
return pos == str.size() - vlen;
}
inline std::string
ircd::between(const std::string &str,
const std::string &a,
const std::string &b)
{
return split(split(str, a).second, b).first;
}
inline std::pair<std::string, std::string>
ircd::split(const std::string &str,
const std::string &delim)
{
const auto pos(str.find(delim));
return pos == std::string::npos? std::make_pair(str, std::string{}):
std::make_pair(str.substr(0, pos), str.substr(pos+delim.size()));
}
inline std::string
ircd::chomp(const std::string &str,
const std::string &c)
{
const auto pos(str.find_last_not_of(c));
return pos == std::string::npos? str : str.substr(0, pos+1);
}
#endif // __cplusplus