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/**
* Copyright (c) 2020, Timothy Stack
*
* 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 Timothy Stack 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 REGENTS 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 REGENTS 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.
*
* @file lnav_config_fwd.hh
*/
#ifndef lnav_config_fwd_hh
#define lnav_config_fwd_hh
#include <functional>
#include <string>
#include "base/lnav.console.hh"
class lnav_config_listener {
public:
using error_reporter = const std::function<void(
const void*, const lnav::console::user_message& msg)>;
template<typename T, std::size_t N>
lnav_config_listener(const T (&src_file)[N])
: lcl_name(string_fragment::from_const(src_file))
{
auto** curr = &LISTENER_LIST;
while (*curr != nullptr && (*curr)->lcl_name < this->lcl_name) {
curr = &(*curr)->lcl_next;
}
this->lcl_next = *curr;
*curr = this;
}
virtual ~lnav_config_listener() = default;
virtual void reload_config(error_reporter& reporter) {}
virtual void unload_config() {}
static void unload_all()
{
auto* lcl = LISTENER_LIST;
while (lcl != nullptr) {
lcl->unload_config();
lcl = lcl->lcl_next;
}
}
static lnav_config_listener* LISTENER_LIST;
lnav_config_listener* lcl_next;
string_fragment lcl_name;
};
#endif
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