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/**
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* Copyright (c) 2014, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @file sysclip.cc
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*/
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#include "config.h"
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#include <stdio.h>
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#include "base/injector.hh"
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#include "base/lnav_log.hh"
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#include "fmt/format.h"
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#include "sysclip.hh"
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#include "sysclip.cfg.hh"
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namespace sysclip {
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static nonstd::optional<clipboard> get_commands()
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{
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auto& cfg = injector::get<const config&>();
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for (const auto& pair : cfg.c_clipboard_impls) {
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const auto full_cmd = fmt::format("{} > /dev/null 2>&1",
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pair.second.c_test_command);
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log_debug("testing clipboard impl %s using: %s",
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pair.first.c_str(), full_cmd.c_str());
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if (system(full_cmd.c_str()) == 0) {
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log_info("detected clipboard: %s", pair.first.c_str());
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return pair.second;
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}
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}
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return nonstd::nullopt;
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}
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/* XXX For one, this code is kinda crappy. For two, we should probably link
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* directly with X so we don't need to have xclip installed and it'll work if
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* we're ssh'd into a box.
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*/
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FILE *open(type_t type, op_t op)
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{
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const char *mode = op == op_t::WRITE ? "w" : "r";
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static const auto clip_opt = sysclip::get_commands();
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if (!clip_opt) {
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log_error("unable to detect clipboard implementation");
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return nullptr;
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}
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auto cmd = clip_opt.value().select(type).select(op);
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if (cmd.empty()) {
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log_error("clipboard does not support type/op");
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return nullptr;
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}
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switch (op) {
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case op_t::WRITE:
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cmd = fmt::format("{} > /dev/null 2>&1", cmd);
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break;
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case op_t::READ:
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cmd = fmt::format("{} < /dev/null 2>/dev/null", cmd);
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break;
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}
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return popen(cmd.c_str(), mode);
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}
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}
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