Add command line parser and determine src/dst
This commit is contained in:
parent
510abb143c
commit
e347bb19eb
GPG Key ID:
8A300F57CBB9F63E
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@ -0,0 +1,230 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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"anstyle-parse",
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"anstyle-wincon",
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"colorchoice",
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"utf8parse",
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]
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dependencies = [
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"utf8parse",
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name = "anstyle-query"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"anstyle",
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"windows-sys",
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name = "anyhow"
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name = "clap"
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dependencies = [
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"clap_builder",
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"clap_derive",
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name = "clap_builder"
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dependencies = [
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"anstream",
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"anstyle",
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"clap_lex",
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"strsim",
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]
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name = "clap_derive"
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version = "4.4.7"
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dependencies = [
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"heck",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "clap_lex"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "heck"
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version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "proc-macro2"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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dependencies = [
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"proc-macro2",
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[[package]]
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name = "strsim"
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version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "syn"
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version = "2.0.43"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ee659fb5f3d355364e1f3e5bc10fb82068efbf824a1e9d1c9504244a6469ad53"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "utf8parse"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"windows-targets",
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name = "windows-targets"
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dependencies = [
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"windows_aarch64_gnullvm",
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"windows_aarch64_msvc",
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"windows_i686_gnu",
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"windows_i686_msvc",
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"windows_x86_64_gnu",
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"windows_x86_64_gnullvm",
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"windows_x86_64_msvc",
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]
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name = "windows_i686_gnu"
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name = "windows_i686_msvc"
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[[package]]
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name = "windows_x86_64_gnu"
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version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
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name = "windows_x86_64_gnullvm"
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version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "windows_x86_64_msvc"
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version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
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@ -6,3 +6,5 @@ edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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anyhow = "1.0.77"
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clap = { version = "4.4.12", features = ["derive"] }
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@ -0,0 +1,27 @@
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use clap::Parser;
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use std::path::{self, PathBuf};
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#[derive(Parser)]
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#[command(author, version, about, long_about=None)]
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pub struct Cli {
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#[arg(required=true, num_args=1.., value_parser = validate_path)]
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pub input: Vec<PathBuf>,
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#[arg(short, long)]
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pub output: Option<PathBuf>,
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}
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/// Ensures that a provided path is an existing file
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fn validate_path(image: &str) -> Result<PathBuf, String> {
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let image: PathBuf = path::absolute(image).expect("Failed to get absolute path");
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if !image.exists() {
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Err(format!("File {} does not exist.", image.to_str().unwrap()))
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} else if !image.is_file() {
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Err(format!(
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"{} does not appear to be a file.",
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image.to_str().unwrap()
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))
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} else {
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Ok(image)
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}
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}
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28
src/main.rs
28
src/main.rs
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@ -1,3 +1,27 @@
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fn main() {
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println!("Hello, world!");
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#![feature(absolute_path)]
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pub mod commands;
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pub mod utils;
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use clap::Parser;
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use anyhow::Result;
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use utils::append_to_path;
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use commands::Cli;
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fn main() -> Result<()>{
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let cli = Cli::parse();
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for src in cli.input.iter() {
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assert!(src.is_absolute());
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let dst = match cli.output {
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Some(ref e) => e.clone(),
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None => {
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append_to_path(src.clone(), ".jpg")
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}
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};
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println!("Processing image {:?}", src);
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println!("Storing jpg to {:?}", dst);
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}
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Ok(())
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}
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@ -0,0 +1,7 @@
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use std::path::PathBuf;
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pub fn append_to_path(p: PathBuf, s: &str) -> PathBuf {
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let mut p = p.into_os_string();
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p.push(s);
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p.into()
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}
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