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//
// This file is part of j4-dmenu-desktop.
//
// j4-dmenu-desktop 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 3 of the License, or
// (at your option) any later version.
//
// j4-dmenu-desktop 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 j4-dmenu-desktop. If not, see <http://www.gnu.org/licenses/>.
//
#ifndef APPLICATIONRUNNER_DEF
#define APPLICATIONRUNNER_DEF
#include <iostream>
#include <unistd.h>
#include <string.h>
#include <sys/stat.h>
#include "Utilities.hh"
#include "Application.hh"
class ApplicationRunner
{
public:
ApplicationRunner(const std::string &terminal_emulator, const Application &app, const std::string &args)
: app(app), args(args), terminal_emulator(terminal_emulator) {
}
const std::string command() {
std::string exec = this->application_command();
const std::string &name = this->app.name;
std::stringstream command;
puts(exec.c_str());
if(this->app.terminal) {
// Execute in terminal
int fd;
FILE *script;
char scriptname[] = "/tmp/j4-dmenu-XXXXXX";
if((fd = mkstemp(scriptname)) == -1) {
std::cerr << "error creating temporary file in /tmp/: " << strerror(errno) << std::endl;
return std::string();
}
if((script = fdopen(fd, "w")) == 0) {
std::cerr << "error creating temporary file in /tmp/: " << strerror(errno) << std::endl;
return std::string();
}
fprintf(script, "#!/bin/sh\n");
fprintf(script, "rm %s\n", scriptname);
fprintf(script, "echo -n \"\\033]2;%s\\007\"\n", name.c_str());
fprintf(script, "echo -ne \"\\033]2;%s\\007\"\n", name.c_str());
fprintf(script, "exec %s", exec.c_str());
//closes also fd
if(fclose(script) != 0) {
std::cerr << "error closing temporary file " << scriptname << ": " << strerror(errno) << std::endl;
std::cerr << "The file will not be deleted automatically" << std::endl;
return std::string();
}
//As mkstemp sets the file permissions to 0600, we need to set it to 0700 to execute the script
chmod(scriptname, S_IRWXU);
command << this->terminal_emulator;
command << " -e \"" << scriptname << "\"";
} else {
command << exec;
};
return command.str();
}
private:
static std::string quote(const std::string &s) {
std::string string(s);
replace(string, "\"", "\\\"");
replace(string, "\\", "\\\\");
return string;
}
const std::string application_command() {
std::string exec(this->app.exec);
// Undo quoting before expanding field codes
replace(exec, "\\\\(", "\\(");
replace(exec, "\\\\)", "\\)");
replace(exec, "\\\\ ", "\\ ");
replace(exec, "\\\\`", "\\`");
replace(exec, "\\\\$", "\\$");
replace(exec, "\\\\\"", "\\\"");
replace(exec, "\\\\\\\\", "\\\\");
// Replace filename field codes with the rest of the command line.
replace(exec, "%f", this->args);
replace(exec, "%F", this->args);
// If the program works with URLs,
// we assume the user provided a URL instead of a filename.
// As per the spec, there must be at most one of %f, %u, %F or %U present.
replace(exec, "%u", this->args);
replace(exec, "%U", this->args);
// The localized name of the application
replace(exec, "%c", "\"" + quote(this->app.name) + "\"");
replace(exec, "%k", "");
replace(exec, "%i", "");
replace(exec, "%%", "%");
return exec;
}
const Application &app;
std::string args;
const std::string &terminal_emulator;
};
#endif
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