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refactor: move command execution into their own file

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This commit is contained in:
Alexis
2018-08-18 17:54:20 +02:00
parent b794ca63d1
commit ce50a627be
5 changed files with 124 additions and 120 deletions
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41
src/modules/custom.cpp
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@ -10,22 +10,8 @@ waybar::modules::Custom::Custom(std::string name, Json::Value config)
thread_ = [this, interval] {
bool can_update = true;
if (config_["exec-if"]) {
auto pid = fork();
int res = 0;
if (pid == 0) {
std::istringstream iss(config_["exec-if"].asString());
std::vector<char*> av;
for (std::string s; iss >> s;) {
// Need to copy otherwise values are the same
char *str = new char[s.size() + 1];
memcpy(str, s.c_str(), s.size() + 1);
av.push_back(str);
}
av.push_back(0);
execvp(av.front(), av.data());
_exit(127);
} else if (pid > 0 && waitpid(pid, &res, 0) != -1
&& WEXITSTATUS(res) != 0) {
auto res = waybar::util::command::exec(config_["exec-if"].asString());
if (res.exit_code != 0) {
can_update = false;
}
}
@ -38,33 +24,16 @@ waybar::modules::Custom::Custom(std::string name, Json::Value config)
auto waybar::modules::Custom::update() -> void
{
std::array<char, 128> buffer = {0};
std::string output;
std::shared_ptr<FILE> fp(popen(config_["exec"].asCString(), "r"), pclose);
if (!fp) {
std::cerr << name_ + " can't exec " + config_["exec"].asString() << std::endl;
return;
}
while (feof(fp.get()) == 0) {
if (fgets(buffer.data(), 128, fp.get()) != nullptr) {
output += buffer.data();
}
}
// Remove last newline
if (!output.empty() && output[output.length()-1] == '\n') {
output.erase(output.length()-1);
}
auto res = waybar::util::command::exec(config_["exec"].asString());
// Hide label if output is empty
if (output.empty()) {
if (res.out.empty() || res.exit_code != 0) {
label_.hide();
label_.set_name("");
} else {
label_.set_name("custom-" + name_);
auto format = config_["format"] ? config_["format"].asString() : "{}";
auto str = fmt::format(format, output);
auto str = fmt::format(format, res.out);
label_.set_text(str);
label_.set_tooltip_text(str);
label_.show();