#include <cmake.h>
#include <iostream>
-#include <vector>
-#include <string>
-#include <cstring>
-#include <cstdio>
+#include <../Sarge/src/sarge.h>
#include <stdlib.h>
-#include <unistd.h>
-#include <shared.h>
#ifdef HAVE_READLINE
-#include <readline/readline.h>
-#include <readline/history.h>
+ #include <readline/readline.h>
+ #include <readline/history.h>
#endif
-std::string promptCompose ();
+////////////////////////////////////////////////////////////////////////////////
-const std::string getResponse (const std::string& prompt)
-{
- std::string response {""};
+using namespace std;
- // Display prompt, get input.
-#ifdef HAVE_READLINE
- char *line_read = readline (prompt.c_str ());
- if (! line_read)
- {
+const std::string getResponse(const std::string & prompt) {
+ std::string response {
+ ""
+ };
+
+ // Display prompt, get input
+ #ifdef HAVE_READLINE
+ char * line_read = readline(prompt.c_str());
+ if (!line_read) {
std::cout << "\n";
response = "<EOF>";
+ } else {
+ // Save history
+ if ( * line_read)
+ add_history(line_read);
+
+ response = std::string(line_read);
+ free(line_read);
}
- else
- {
- // Save history.
- if (*line_read)
- add_history (line_read);
-
- response = std::string (line_read);
- free (line_read);
- }
-#else
+ #else
std::cout << prompt;
- std::getline (std::cin, response);
- if (std::cin.eof () == 1)
- {
+ std::getline(std::cin, response);
+ if (std::cin.eof() == 1) {
std::cout << "\n";
response = "<EOF>";
}
-#endif
+ #endif
return response;
}
////////////////////////////////////////////////////////////////////////////////
-static int commandLoop (bool autoClear)
-{
- // Compose the prompt.
- auto prompt = promptCompose ();
-
- // Display prompt, get input.
- auto command = getResponse (prompt);
-
- // Obey Taskwarrior's rc.tasksh.autoclear.
- if (autoClear)
- std::cout << "\033[2J\033[0;0H";
-
- int status = 0;
- if (! isatty (fileno (stdin)) && command == "")
- {
- status = -1;
- }
- else if (command != "")
- {
- auto args = split (command, ' ');
-
- // Dispatch command.
- if (args[0] == "<EOF>") status = -1;
- else if (closeEnough ("exit", args[0], 3)) status = -1;
- else if (closeEnough ("quit", args[0], 3)) status = -1;
- else if (command != "")
- {
- command = command;
- std::cout << "[" << command << "]\n";
- system (command.c_str ());
- }
- }
-
- return status;
-}
-////////////////////////////////////////////////////////////////////////////////
-int main (int argc, const char** argv)
+int main(int argc, char** argv)
{
- int status = 0;
- // Lightweight version checking that doesn't require initialization or any I/O.
- if (argc == 2 && !strcmp (argv[1], "--version"))
- {
- std::cout << VERSION << "\n";
- }
- else
- {
- try
+ // Command line arguments
+ Sarge sarge;
+
+ sarge.setArgument("a", "after", "Command to execute before leaving the shell", true);
+ sarge.setArgument("b", "before", "Command to execute before entering the shell", true);
+ sarge.setArgument("c", "command", "Command to convert to shell", true);
+ sarge.setArgument("h", "help", "Get help.", false);
+ sarge.setArgument("p", "prompt", "Define a custom prompt", true);
+ sarge.setArgument("", "no-space", "Dont automatically add spaces after custom prompt and command", false);
+ sarge.setDescription("Make a shell from any executable");
+ sarge.setUsage("gen-shell <options>");
+
+ if (!sarge.parseArguments(argc, argv)) {
+ std::cerr << "Couldn't parse arguments..." << std::endl;
+ return 1;
+ }
+
+ if (sarge.exists("help")) {
+ sarge.printHelp();
+ return 0;
+ }
+
+ bool space;
+ if (sarge.exists("no-space")) {
+ space = false;
+ }
+
+ // Define input command
+ string arg_cmd;
+ sarge.getFlag("command", arg_cmd);
+ if ( space )
+ arg_cmd += " ";
+
+ // Define prompt
+ string prompt = "";
+ sarge.getFlag("prompt", prompt);
+
+ if ( prompt == "" )
+ prompt = "% ";
+ if ( space )
+ prompt += " ";
+
+ // Execute before-command
+ string before_command;
+ sarge.getFlag("before", before_command);
+ system (before_command.c_str ());
+
+ // Execute after-command
+ string after_command;
+ sarge.getFlag("after", after_command);
+
+ // Main program
+ while (true) {
+ // Display prompt, get input
+ auto command = getResponse(prompt);
+
+ if (command != "")
{
- // Get the Taskwarrior rc.tasksh.autoclear Boolean setting.
- bool autoClear = false;
- std::string input;
- std::string output;
- execute ("task", {"_get", "rc.tasksh.autoclear"}, input, output);
- output = lowerCase (output);
- autoClear = (output == "true\n" ||
- output == "1\n" ||
- output == "y\n" ||
- output == "yes\n" ||
- output == "on\n");
-
- while ((status = commandLoop (autoClear)) == 0)
- ;
- }
-
- catch (const std::string& error)
- {
- std::cerr << error << "\n";
- status = -1;
- }
-
- catch (...)
- {
- std::cerr << "Unknown error." << "\n";
- status = -2;
+ // Dispatch command
+ if (command == "<EOF>")
+ {
+ system (after_command.c_str ());
+ return 0;
+ }
+ else if (command != "")
+ {
+ string whole_command = arg_cmd + command;
+ system (whole_command.c_str ());
+ }
}
}
-
- // Returning -1 drops out of the command loop, but gets translated to 0 here,
- // so that there is a clean way to exit.
- return status == -1 ? 0 : status;
}
////////////////////////////////////////////////////////////////////////////////