bong CLI template

bingus/src/lib.rs

@@ -40,7 +40,7 @@ mod dynamic {
     use cfg_if::cfg_if;
     #[cfg(feature = "fonts")]
     use font_kit::error::FontLoadingError;
-    use infer::MatcherType;
+    pub use infer::MatcherType;
     #[cfg(feature = "documents")]
     use printpdf::PdfDocument;
     #[cfg(feature = "documents")]

bingus/src/snd.rs

@@ -1,4 +1,4 @@
-pub use symphonia::core::sample::Sample;
+pub use symphonia::core::*;
 mod raw;
 pub use raw::*;
 mod simphonia;

bingus/src/snd/raw.rs

@@ -1,6 +1,6 @@
 use std::borrow::Cow;
 
-use super::Sample;
+use super::sample::Sample;
 use cfg_if::cfg_if;
 use derive_wrapper::{AsRef, From};
 use num::{

bingus/src/snd/simphonia.rs

@@ -17,7 +17,7 @@ use thiserror::Error;
 
 use crate::IntoDataBytes;
 
-use super::{RawSamples, Sample};
+use super::{sample::Sample, RawSamples};
 
 /// Audio, unlike DynamicImage, isn't directly bendable
 /// because its underlying data format isn't decided automatically

bong/Cargo.toml

@@ -11,7 +11,10 @@ keywords.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-anyhow = "1.0"
+anyhow = "*"
 bingus = { path = "../bingus" }
-clap = { version = "4.5", features = ["derive"] }
-unwrap-infallible = "0.1"
+strum = { version = "*", features = ["derive"] }
+derive-new = "*"
+clap = { version = "4.5.40", features = ["derive"] }
+derive_wrapper = "0.1.7"
+# unwrap-infallible = "0.1"

bong/src/cli.rs

@@ -1,11 +1,130 @@
-use std::path::PathBuf;
+use std::{
+    io::{self, stdin, stdout},
+    ops::Not,
+    str::FromStr,
+};
 
 use clap::Parser;
+use derive_new::new;
+use derive_wrapper::AsRef;
+use strum::{AsRefStr, EnumIter, EnumString};
 
+#[derive(new, Parser)]
+#[clap(version, author, about)]
 /// CLI from the Bent project
-#[derive(Parser)]
 pub(super) struct Cli {
-    /// Input file or standard input.
-    pub(super) input: PathBuf,
-    pub(super) output: PathBuf,
+    /// Input format (leave empty for auto mode)
+    #[arg(short, long)]
+    pub(super) input_format: Option<MatcherType>,
+    /// Input file or standard input ("-").
+    pub(super) input: FileOrStd<Stdin>,
+    // /// List of commands (process or bend to another format)
+    // pub(super) commands: Vec<Command>,
+    /// Onput file or standard output ("-").
+    pub(super) output: FileOrStd<Stdout>,
+}
+
+#[derive(AsRef)]
+#[cfg_attr(debug_assertions, derive(Debug))]
+struct File(std::fs::File);
+
+impl Clone for File {
+    fn clone(&self) -> Self {
+        File(
+            self.0
+                .try_clone()
+                .expect("can't clone this file's handle :("),
+        )
+    }
+}
+
+impl FromStr for File {
+    type Err = io::Error;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        std::fs::File::open(s).map(File)
+    }
+}
+
+#[derive(Clone, Copy, Default)]
+struct Stdin;
+#[derive(Clone, Copy, Default)]
+struct Stdout;
+
+trait New {
+    type Real;
+    fn new() -> Self::Real;
+}
+
+impl New for Stdin {
+    type Real = std::io::Stdin;
+    fn new() -> Self::Real {
+        stdin()
+    }
+}
+
+impl New for Stdout {
+    type Real = std::io::Stdout;
+    fn new() -> Self::Real {
+        stdout()
+    }
+}
+
+impl<S: Clone + Default> FromStr for FileOrStd<S> {
+    type Err = io::Error;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        s.is_empty()
+            .not()
+            .then_some(s.parse().map(FileOrStd::File))
+            .unwrap_or(Ok(FileOrStd::Std(Default::default())))
+    }
+}
+
+#[derive(Clone)]
+#[cfg_attr(debug_assertions, derive(Debug))]
+pub(super) enum FileOrStd<S: Clone> {
+    File(File),
+    Std(S),
+}
+
+pub(super) enum OutputFormat {}
+
+// #[derive(Clone)]
+// pub(super) enum Command {
+//     Into(Bendable),
+//     Process(Process),
+// }
+
+#[derive(EnumString, AsRefStr, Clone)]
+pub(super) enum Bendable {
+    #[strum(serialize = "bin", serialize = "binary")]
+    Binary,
+}
+
+#[derive(Clone)]
+pub(super) enum Process {}
+
+#[derive(EnumString, EnumIter, Clone, Copy)]
+enum MatcherType {
+    Audio,
+    Doc,
+    Font,
+    Image,
+    Pdf,
+    Text,
+    Raw,
+}
+
+impl From<MatcherType> for bingus::MatcherType {
+    fn from(value: MatcherType) -> Self {
+        use bingus::MatcherType::*;
+        match value {
+            MatcherType::Audio => Audio,
+            MatcherType::Doc => Doc,
+            MatcherType::Font => Font,
+            MatcherType::Image => Image,
+            MatcherType::Pdf => Archive,
+            MatcherType::Text => Text,
+            MatcherType::Raw => Custom,
+        }
+    }
 }

bong/src/main.rs

@@ -1,40 +1,9 @@
-use std::fs::File;
-
-use anyhow::{anyhow, Context, Error};
-use bingus::{
-    img::{Dimensions, RgbImage},
-    txt::{DocumentType, ShivaDocument, ShivaFormat},
-    Bendable, Bytes,
-};
 use clap::Parser;
 use cli::Cli;
-use unwrap_infallible::UnwrapInfallible;
 
 mod cli;
 
-fn main() -> Result<(), Error> {
-    let args = Cli::parse();
-    let bytes = File::open(args.input_file)
-        .context("opening file")?
-        .bend_into::<ShivaDocument>(
-            ShivaFormat::new(DocumentType::PDF, DocumentType::DOCX),
-            Default::default(),
-        )
-        .map_err(|e| anyhow!("parsing PDF: {e}"))?
-        .bend_into::<Bytes>((), Default::default())
-        .unwrap_infallible();
-    let dimensions = {
-        let c = bytes.len().isqrt().try_into().context("image too big")?;
-        Dimensions {
-            width: c,
-            height: c,
-        }
-    };
-    bytes
-        .bend_into::<RgbImage>(dimensions, Default::default())
-        .context("bending into an image")?
-        .save(args.output_file)
-        .context("saving output file")?;
-
+fn main() -> anyhow::Result<()> {
+    Cli::parse();
     Ok(())
 }