Makefile: Create install directories.

Sometimes these directories may not exist.

.gitignore

@@ -2,3 +2,4 @@
 /menu-helper
 /compile_commands.json
 .cache/*
+/*.1.gz

Makefile

@@ -21,6 +21,7 @@ DEFS=
 CFLAGS=$(INCFLAGS) -std=c++20 -Wall -Wextra -Wfatal-errors -Werror
 HDRS=src/util.hpp src/arg_parse.hpp src/db.hpp src/cmd.hpp
 OBJS=src/main.o src/util.o src/arg_parse.o src/db.o src/cmd.o
+DOCS=menu-helper.1
 VERSION=1.0
 
 ifeq ($(PREFIX),)
@@ -39,13 +40,20 @@ endif
 menu-helper: $(OBJS)
 	$(CXX) -o $@ $^ $(LDFLAGS)
 
+menu-helper.1.gz: $(DOCS)
+	gzip -c $< > $@
+
 .PHONY: clean distclean install
 
 clean:
 	$(RM) $(OBJS)
 
 distclean: clean
+	$(RM) menu-helper.1.gz
 	$(RM) menu-helper
 
-install: menu-helper
+install: menu-helper menu-helper.1.gz
+	install -d $(PREFIX)/bin
 	install -m 755 menu-helper $(PREFIX)/bin/
+	install -d $(PREFIX)/share/man/man1
+	install -m 644 menu-helper.1.gz $(PREFIX)/share/man/man1/

README.md

@@ -108,7 +108,7 @@ stored in the database:
 
 ```console
 $ menu-helper edit-name 1
-New name: Lenguine agli Scampi
+New name: Linguine agli Scampi
 $ menu-helper edit-description 1
 New description: A zesty Italian pasta dish.
 $ menu-helper list
@@ -179,10 +179,10 @@ GitHub. However, you can save me a bit of work by just sending me the Git
 patches directly (via E-Mail).
 
 If you're looking for a way to contribute, consider having a look at my [To-Do
-list](/TODO.md) for the project.
+list](TODO.md) for the project.
 
 ## License
 
 This program is licensed under the terms & conditions of the GNU General Public
-License version 3 or greater. See the [LICENSE](/LICENSE) file for more
+License version 3 or greater. See the [LICENSE](LICENSE) file for more
 information.

TODO.md

@@ -1,11 +1,16 @@
 # To-Do List
 
-- [ ] Add more safeguards to avoid bad usage.
-- [ ] Create a man page.
-- [ ] Add more documentation to `help` subcommand.
-- [ ] Add import/export functionality.
-- [ ] Properly align output columns from `list` subcommand.
+- [X] v1.0
+  - [X] Add basic functionality.
+  - [X] Add more safeguards to avoid bad usage.
+  - [X] Create a man page.
+  - [X] Add more documentation to `help` subcommand.
+  - [X] Properly align output columns from `list` subcommand.
   - [X] Add feature for editing recipe name and description.
     - [X] Name
     - [X] Description
+
+- [ ] v1.1
+  - [ ] Add import/export functionality.
   - [ ] Allow for writing description in editor.
+  - [ ] Add examples to man page.

menu-helper.1

@@ -0,0 +1,65 @@
+.TH "MENU HELPER" "1" "November 2024" "menu-helper 1.0" "User Commands"
+.SH "NAME"
+menu-helper \- makes choosing meals easier
+.SH "SYNOPSIS"
+.B menu-helper
+<\fICOMMAND\fR> [\fIOPTIONS\fR]
+
+.SH "DESCRIPTION"
+A program to manage a database of recipes and help you pick out meals based on
+filters of ingredients and tags.
+
+.SH "COMMANDS"
+.TP
+.B \fBadd\fR, \fBnew\fR
+Add a new recipe to the database.
+.TP
+.B \fBdel\fR, \fBrm\fR <\fIid\fR>
+Delete recipe with provided \fIid\fR.
+.TP
+.B \fBlist\fR, \fBls\fR [-i <\fIingredients\fR>] [-t <\fItags\fR>]
+List all recipes that contain all \fIingredients\fR an \fItags\fR listed. If
+none are listed, then it prints all recipes stored in the database. Both
+\fIingredients\fR and \fItags\fR are comma-separated lists (e.g.
+"garlic,tomato").
+.TP
+.B \fBinfo\fR <\fIid\fR>
+Show all stored information on recipe with provided \fIid\fR.
+.TP
+.B \fBedit-name\fR <\fIid\fR>
+Change the name of the recipe with the provided \fIid\fR.
+.TP
+.B \fBedit-description\fR, \fBedit-desc\fR <\fIid\fR>
+Change the description of the recipe with the provided \fIid\fR.
+.TP
+.B \fBadd-ingr\fR <\fIid\fR> <\fIingredients\fR>
+Add the specified \fIingredients\fR to the recipe with \fIid\fR, where
+\fIingredients\fR is a comma-separated list (e.g. "garlic,tomato").
+.TP
+.B \fBrm-ingr\fR <\fIid\fR> <\fIingredients\fR>
+Remove the specified \fIingredients\fR from the recipe with \fIid\fR, where
+\fIingredients\fR is a comma-separated list (e.g. "garlic,tomato").
+.TP
+.B \fBadd-tag\fR <\fIid\fR> <\fItags\fR>
+Add the specified \fItags\fR to the recipe with \fIid\fR, where \fItags\fR is a
+comma-separated list (e.g. "dinner,simple").
+.TP
+.B \fBrm-tag\fR <\fIid\fR> <\fItags\fR>
+Remove the specified \fItags\fR from the recipe with \fIid\fR, where \fItags\fR
+is a comma-separated list (e.g. "dinner,simple").
+.TP
+.B \fBhelp\fR, \fB-h\fR, \fB--help\fR
+Show basic help information.
+.TP
+.B \fBversion\fR, \fB-v\fR, \fB--version\fR
+Show version information.
+
+.SH "AUTHOR"
+Written by Nicolás A. Ortega Froysa.
+
+.SH "COPYRIGHT"
+Copyright \(co 2024 Ortega Froysa, Nicolás A. <nicolas@ortegas.org>.
+License: GNU General Public License version 3 or greater (see <https://gnu.org/licenses/gpl.html>).
+
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.

src/arg_parse.hpp

@@ -79,6 +79,7 @@ static inline void print_help(void) {
 		   "\thelp, -h, --help             Show this help information.\n"
 		   "\tversion, -v, --version       Show version information.\n"
 		   << std::endl;
+	std::cout << "For more information about subcommands, use 'man menu-helper'." << std::endl;
 }
 
 enum cmd_id parse_args(const std::string &cmd);

src/cmd.cpp

@@ -20,6 +20,8 @@
 #include "util.hpp"
 
 #include <cstdlib>
+#include <sys/ioctl.h>
+#include <iomanip>
 #include <iostream>
 #include <string>
 #include <unistd.h>
@@ -71,6 +73,8 @@ int cmd_add(void) {
 int cmd_list(int argc, char *argv[]) {
 	db db;
 	std::vector<std::string> ingredients, tags;
+	struct winsize winsize;
+	const int id_col_sz = 5, name_col_sz = 24;
 	int opt;
 
 	while((opt = getopt(argc, argv, "i:t:")) not_eq -1) {
@@ -92,10 +96,20 @@ int cmd_list(int argc, char *argv[]) {
 		}
 	}
 
+	ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize);
+	const int desc_col_sz = winsize.ws_col - (id_col_sz + name_col_sz + 1);
+
 	db.open();
 
-	for(const auto &recipe : db.get_recipes(ingredients, tags))
-		std::cout << recipe.id << "  |  " << recipe.name << "  |  " << recipe.description << std::endl;
+	std::cout << std::left << std::setw(id_col_sz) << "ID"
+		<< std::setw(name_col_sz) << "NAME"
+		<< std::setw(desc_col_sz) << "DESCRIPTION" << std::endl;
+
+	for(const auto &recipe : db.get_recipes(ingredients, tags)) {
+		std::cout << std::left << std::setw(id_col_sz) << recipe.id
+			<< std::setw(name_col_sz) << recipe.name
+			<< std::setw(desc_col_sz) << recipe.description << std::endl;
+	}
 
 	db.close();
 

src/main.cpp

@@ -39,39 +39,63 @@ int main(int argc, char *argv[]) {
 	try {
 		switch(id) {
 		case CMD_ADD:
+			if(argc not_eq 2)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_add();
 			break;
 		case CMD_DEL:
+			if(argc not_eq 3)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_delete(argc - 2, argv + 2);
 			break;
 		case CMD_LIST:
+			if(argc > 6)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_list(argc - 1, argv + 1);
 			break;
 		case CMD_INFO:
+			if(argc not_eq 3)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_info(std::stoi(argv[2]));
 			break;
 		case CMD_EDIT_NAME:
+			if(argc not_eq 3)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_edit_name(std::stoi(argv[2]));
 			break;
 		case CMD_EDIT_DESC:
+			if(argc not_eq 3)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_edit_desc(std::stoi(argv[2]));
 			break;
 		case CMD_ADD_INGR:
+			if(argc not_eq 4)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_add_ingr(std::stoi(argv[2]), argv[3]);
 			break;
 		case CMD_RM_INGR:
+			if(argc not_eq 4)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_rm_ingr(std::stoi(argv[2]), argv[3]);
 			break;
 		case CMD_ADD_TAG:
+			if(argc not_eq 4)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_add_tag(std::stoi(argv[2]), argv[3]);
 			break;
 		case CMD_RM_TAG:
+			if(argc not_eq 4)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			ret = cmd_rm_tag(std::stoi(argv[2]), argv[3]);
 			break;
 		case CMD_HELP:
+			if(argc not_eq 2)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			print_help();
 			break;
 		case CMD_VERSION:
+			if(argc not_eq 2)
+				throw "Invalid number of arguments. Use 'help' subcommand for more information.";
 			print_version();
 			break;
 		default: