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headers/Directory.h

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+#ifndef DIRECTORY_H
+#define DIRECTORY_H
+
+#include <string>
+#include <dirent.h>
+
+enum class Types
+{
+	DIR,
+	FILE,
+};
+
+class Directory
+{
+private:
+	DIR *dir;
+	const std::string pathname_m;
+	dirent *ent;
+public:
+	Directory(std::string pathname);
+	~Directory();
+	
+	/* Class functions */
+	dirent* read();
+	std::string name();
+	Types type();
+};
+
+#endif
+

headers/Functions.h

@@ -0,0 +1,85 @@
+#ifndef FUNCTIONS_H
+#define FUNCTIONS_H
+
+#include <iostream>
+#include <map>
+#include <fstream>
+#include <unistd.h>
+#include "Directory.h"
+
+struct info
+{
+	const char *path;
+	const char *editor;
+};
+
+info 
+parse_command_line(int argc, char **argv)
+{
+	info optinfo {NULL, NULL};
+	int opt;
+	
+	while ((opt = getopt(argc, argv, "e:p:h")) != -1)
+	{
+		switch (opt) {
+			case 'e': 
+				optinfo.editor = optarg;
+				break;
+			case 'p':
+				optinfo.path = optarg;
+				break;
+			case 'h':
+				std::cout << "A simple program for navigating directories and outputting files.\n";
+				std::cout << "Optional switches [-p PATH] [-e EDITOR]\n";
+				exit(1);
+			default:
+				exit(1);
+		}
+	}
+	return optinfo;
+}
+
+std::map<int, std::string> /* Returns a std::map, constructed like the following: <index, file_name>*/
+display_directory_content()
+{
+	Directory dir( get_current_dir_name() );
+	int count=1;
+	
+	std::map<int, std::string> content_map;
+	std::cout << "* Viewing contents of " << get_current_dir_name() << " *\n\n";
+	
+	while ((dir.read()) != NULL)
+	{
+		if (dir.type() == Types::DIR) 
+		{
+			std::string dir_name = "/" + dir.name() + "/";
+			std::cout << "* " << count << ": " << dir_name << '\n'; /* Prepend directories with slash */
+			content_map.insert(std::pair<int, std::string>( count, dir_name ));
+		} 									
+		else if (dir.type() == Types::FILE) 
+		{
+			std::cout << "* " << count << ": " << dir.name() << '\n';
+			content_map.insert(std::pair<int, std::string>( count, dir.name() ));
+		}
+		count++;
+	}
+	
+	return content_map;
+}
+
+void 
+display_file_content(const std::string file_name) /* Displays the content of a file */
+{
+	std::cout << "* Viewing contents of " << file_name << " *\n\n";
+	std::ifstream file(file_name);
+	
+	if (file)
+	{
+		std::string line;
+		while (getline(file, line))
+			std::cout << line << "\n";
+	}
+	else std::cerr << "* Error viewing contents of " << file_name << " *\n";
+}
+
+#endif