void
process_line(const std::string &line)
{
std::string line1 = CStrUtil::stripSpaces(line);
if (line1[0] == '#')
return;
//------
std::vector<std::string> words;
CStrUtil::toWords(line1, words);
uint num_words = words.size();
if (num_words == 0)
return;
//------
if (words[0] == "exit")
exit(0);
//------
std::cout << "--- " << line1 << " ---" << std::endl;
//------
std::vector<CCommand *> pcommands;
std::vector<int> ptypes;
int state = COMMAND;
std::vector<std::string> args;
std::vector<std::string> stdin__files;
std::vector<std::string> stdout_files;
std::vector<std::string> stderr_files;
std::string name;
for (int i = 0; i < words.size(); i++) {
if (words[i] == "<")
state = INPUT;
else if (words[i] == ">")
state = OUTPUT;
else if (words[i] == ">&")
state = ERROR;
else if (words[i] == "|")
state = PIPE;
else if (words[i] == "|&")
state = PIPE_ERR;
else {
if (state == COMMAND) {
name = words[i];
state = ARGS;
}
else if (state == INPUT) {
stdin__files.push_back(words[i]);
state = ARGS;
}
else if (state == OUTPUT) {
stdout_files.push_back(words[i]);
state = ARGS;
}
else if (state == ERROR) {
stderr_files.push_back(words[i]);
state = ARGS;
}
else if (state == PIPE || state == PIPE_ERR) {
CCommand *pcommand = new CCommand(name, name, args);
args.empty();
pstring p;
for (p = stdin__files.begin(); p != stdin__files.end(); ++p)
pcommand->addFileSrc(*p);
for (p = stdout_files.begin(); p != stdout_files.end(); ++p)
pcommand->addFileDest(*p, 1);
for (p = stderr_files.begin(); p != stderr_files.end(); ++p)
pcommand->addFileDest(*p, 2);
stdin__files.empty();
stdout_files.empty();
stderr_files.empty();
pcommands.push_back(pcommand);
ptypes .push_back(state);
//------
name = words[i];
state = ARGS;
}
else
args.push_back(words[i]);
}
}
//-----
CCommand command(name, name, args);
pstring p;
for (p = stdin__files.begin(); p != stdin__files.end(); ++p)
command.addFileSrc(*p);
for (p = stdout_files.begin(); p != stdout_files.end(); ++p)
command.addFileDest(*p, 1);
for (p = stderr_files.begin(); p != stderr_files.end(); ++p)
command.addFileDest(*p, 2);
//-----
uint num_pcommands = pcommands.size();
if (num_pcommands > 0) {
pcommands[0]->addPipeDest(1);
if (ptypes[0] == PIPE_ERR)
pcommands[0]->addPipeDest(2);
for (uint i = 1; i < num_pcommands; ++i) {
pcommands[i]->addPipeSrc();
pcommands[i]->addPipeDest(1);
if (ptypes[i] == PIPE_ERR)
pcommands[i]->addPipeDest(2);
}
command.addPipeSrc();
}
try {
for (uint i = 0; i < num_pcommands; ++i)
pcommands[i]->start();
command.start();
for (uint i = 0; i < num_pcommands; ++i) {
pcommands[i]->wait();
// while (pcommand->getState() == CCommand::COMMAND_RUNNING)
// sleep(1);
}
command.wait();
// while (command.getState() == CCommand::COMMAND_RUNNING)
// sleep(1);
}
catch (const std::string message) {
fprintf(stderr, "%s\n", (char *) message.c_str());
}
catch (const char *message) {
fprintf(stderr, "%s\n", message);
}
catch (...) {
fprintf(stderr, "Failed\n");
}
}
