restructuring to prepare for combine with extension branch

Cargo.toml

@@ -5,6 +5,15 @@ edition = "2021"
 license = "MIT"
 description = "A text art generator written in Rust"
 
+[[bin]]
+name = "glyphrs"
+path = "./cli/main.rs"
+
+[lib]
+name = "glyphrs_core"
+path = "./core/core.rs"
+crate-type = ["cdylib", "rlib"]
+
 [dependencies]
 clap = "4.5.4"
 serde = { version = "1.0.203", features = ["derive"] }

src/main.rs → cli/main.rs

@@ -1,4 +1,4 @@
-use glyphrs::{clap, message_gen::*};
+use glyphrs_core::{clap, message_gen::*};
 
 fn main() {
     // █▄█ ▄▀▄ █▄ █ █▀▄ █   ██▀   ▄▀▄ █▀▄ ▄▀  ▄▀▀

core/clap.rs

@@ -0,0 +1,77 @@
+use crate::fonts::font_handling::get_fonts;
+use clap::{Arg, ArgAction, ArgMatches, Command, ValueHint};
+
+// █▄█ ██▀ █   █▀▄ ██▀ █▀▄   █▀ █ █ █▄ █ ▄▀▀ ▀█▀ █ ▄▀▄ █▄ █ ▄▀▀
+// █ █ █▄▄ █▄▄ █▀  █▄▄ █▀▄   █▀ ▀▄█ █ ▀█ ▀▄▄  █  █ ▀▄▀ █ ▀█ ▄██
+fn string_to_str(input: Vec<String>) -> Vec<&'static str> {
+    let mut output: Vec<&'static str> = Vec::with_capacity(input.len());
+    for s in input {
+        output.push(Box::leak(s.into_boxed_str()));
+    }
+    output
+}
+
+// █▀▄ ▄▀▄ █▀▄ ▄▀▀ ██▀   █ █▄ █ █▀▄ █ █ ▀█▀
+// █▀  █▀█ █▀▄ ▄██ █▄▄   █ █ ▀█ █▀  ▀▄█  █
+pub fn clap_parse() -> Command {
+    let cmd = clap::Command::new("cargo")
+        .bin_name("glyphrs")
+        .before_help(
+            "".to_owned()
+                + "-----------------------------\n"
+                + "▄▀  █   ▀▄▀ █▀▄ █▄█   █▀▄ ▄▀▀\n"
+                + "▀▄█ █▄▄  █  █▀  █ █ ▄ █▀▄ ▄██\n"
+                + "-----------------------------",
+        )
+        .about("A text art generator written in Rust")
+        .arg(
+            Arg::new("input")
+                .required_unless_present("version")
+                .help("the string to be converted")
+                .value_hint(ValueHint::CommandString),
+        )
+        // ▄▀▄ █▀▄ ▄▀  ▄▀▀
+        // █▀█ █▀▄ ▀▄█ ▄██
+        .arg(
+            Arg::new("font")
+                .long("font")
+                .short('f')
+                .default_value("blocks_in_two_lines")
+                .value_parser(string_to_str(get_fonts()))
+                .help_heading("Output")
+                .help("set the font")
+                .value_hint(ValueHint::CommandString),
+        )
+        .arg(
+            Arg::new("prefix")
+                .long("prefix")
+                .short('p')
+                .default_value("")
+                .help_heading("Output")
+                .help("set the characters preceding each line, for example \"# \"")
+                .value_hint(ValueHint::CommandString),
+        )
+        .arg(
+            Arg::new("version")
+                .long("version")
+                .short('v')
+                .action(ArgAction::SetTrue)
+                .help("Print version information"),
+        );
+
+    cmd
+}
+
+// ▄▀▄ █▀▄ ▄▀    █▄█ ▄▀▄ █▄ █ █▀▄ █   █ █▄ █ ▄▀
+// █▀█ █▀▄ ▀▄█   █ █ █▀█ █ ▀█ █▄▀ █▄▄ █ █ ▀█ ▀▄█
+pub fn handle_args() -> ArgMatches {
+    let matches: ArgMatches = clap_parse().get_matches();
+
+    let version: bool = *matches.get_one("version").unwrap();
+    if version {
+        println!("glyphrs v{}", env!("CARGO_PKG_VERSION"));
+        std::process::exit(0);
+    }
+
+    matches
+}