-////////////////////////////////////////////////////////////////////////////////
-//
-// Copyright 2006 - 2017, Paul Beckingham, Federico Hernandez, 2020 Armaan Bhojwani
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-// SOFTWARE.
-//
-// http://www.opensource.org/licenses/mit-license.php
-//
-////////////////////////////////////////////////////////////////////////////////
+// gen-shell - the generic REPL
+// Copyright (c) 2021, Armaan Bhojwani <me@armaanb.net>
-#include <cmake.h>
#include <iostream>
+#include "sarge.h"
+
#include <vector>
#include <string>
-#include <cstring>
-#include <cstdio>
-#include <stdlib.h>
-#include <unistd.h>
-#ifdef HAVE_READLINE
#include <readline/readline.h>
#include <readline/history.h>
-#endif
+
+////////////////////////////////////////////////////////////////////////////////
using namespace std;
-std::string promptCompose();
-const std::string getResponse(const std::string & prompt) {
+const std::string
+getResponse(const std::string & prompt) {
std::string response {
""
};
- // Display prompt, get input.
- #ifdef HAVE_READLINE
+ // Display prompt, get input
char * line_read = readline(prompt.c_str());
if (!line_read) {
std::cout << "\n";
response = "<EOF>";
} else {
- // Save history.
- if ( * line_read)
+ if (*line_read) {
add_history(line_read);
+ }
response = std::string(line_read);
free(line_read);
}
- #else
- std::cout << prompt;
- std::getline(std::cin, response);
- if (std::cin.eof() == 1) {
- std::cout << "\n";
- response = "<EOF>";
- }
- #endif
return response;
}
-int main(int argc, char** argv)
+////////////////////////////////////////////////////////////////////////////////
+
+int
+main(int argc, char** argv)
{
- int status = 0;
+ // Command line arguments
+ Sarge sarge;
+
+ sarge.setArgument("c", "command", "Command to convert to REPL", true);
+ sarge.setArgument("h", "help", "Show this message.", false);
+ sarge.setArgument("p", "prompt", "Define a custom prompt", true);
+ sarge.setArgument("q", "quotes", "Treat whole input as argv[1]", false);
+ sarge.setDescription("Make a REPL from any executable");
+ sarge.setUsage("gen-shell <options>");
+
+ if (!sarge.parseArguments(argc, argv)) {
+ std::cerr << "Could not parse command line arguments" << std::endl;
+ return 1;
+ }
- string root_cmd;
- for (int i = 1; i < argc; ++i) {
- root_cmd +=argv[i];
- root_cmd += " ";
+ if (sarge.exists("help")) {
+ sarge.printHelp();
+ return 0;
}
- while (status == 0) {
- // Compose the prompt.
- auto prompt = promptCompose();
+ string arg_cmd;
+ sarge.getFlag("command", arg_cmd);
- // Display prompt, get input.
+ string prompt = "";
+ sarge.getFlag("prompt", prompt);
+ if (prompt == "") {
+ prompt = "% ";
+ }
+
+ // Do the stuffs!
+ while (true) {
auto command = getResponse(prompt);
- int status = 0;
- if (command != "")
- {
- // Dispatch command.
- if (command == "<EOF>") status = 1;
- else if (command != "")
- {
- if (argc == 0) {
- string whole_command=command;
- std::cout << "[" << command << "]\n";
- system (command.c_str ());
- }
- else {
- string whole_command = root_cmd + " " + command;
- // std::cout << "[" << whole_command << "]\n";
- system (whole_command.c_str ());
- }
+ if (command == "<EOF>" || command == "exit" || command == "quit" ) {
+ return 0;
+ } else {
+ string whole_command = arg_cmd + " ";
+ if (sarge.exists("quotes")) {
+ whole_command = whole_command + "\"" + command + "\"";
+ } else {
+ whole_command += command;
}
+ system(whole_command.c_str());
}
- if (status == 1)
- return 0;
}
}