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// bibiman - a TUI for managing BibLaTeX databases
// Copyright (C) 2024 lukeflo
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
/////
use color_eyre::eyre::Result;
use color_eyre::owo_colors::OwoColorize;
use dirs::{config_dir, home_dir};
use lexopt::prelude::*;
use std::env;
use std::path::PathBuf;
use walkdir::WalkDir;
use crate::app;
// struct for CLIArgs
#[derive(Debug, Default, Clone)]
pub struct CLIArgs {
pub helparg: bool,
pub versionarg: bool,
pub pos_args: Vec<PathBuf>,
pub cfg_path: Option<PathBuf>,
pub light_theme: bool,
pub pdf_files: Option<Vec<PathBuf>>,
}
impl CLIArgs {
pub fn parse_args() -> Result<CLIArgs, lexopt::Error> {
let mut args = CLIArgs::default();
let mut parser = lexopt::Parser::from_env();
// Default config
args.cfg_path = if config_dir().is_some() {
Some(config_dir().unwrap().join("bibiman/bibiman.toml"))
} else if home_dir().is_some() {
Some(home_dir().unwrap().join(".config/bibiman/bibiman.toml"))
} else {
None
};
while let Some(arg) = parser.next()? {
match arg {
Short('h') | Long("help") => args.helparg = true,
Short('v') | Long("version") => args.versionarg = true,
Short('c') | Long("config-file") => args.cfg_path = Some(parser.value()?.parse()?),
Long("light-terminal") => args.light_theme = true,
Long("merge-pdf-paths") => {
let pdf_dir: PathBuf = parser.value()?.parse()?;
args.pdf_files = collect_pdf_files(pdf_dir);
}
// Value(pos_arg) => parse_files(&mut args, pos_arg),
Value(pos_arg) => args.pos_args.push(pos_arg.into()),
_ => return Err(arg.unexpected()),
}
}
Ok(args)
}
}
/// This function walks the given dir and collects all pdf files into a `Vec`
pub fn collect_pdf_files(pdf_dir: PathBuf) -> Option<Vec<PathBuf>> {
let mut files: Vec<PathBuf> = Vec::new();
// Expand tilde to /home/user
let pdf_dir = if pdf_dir.starts_with("~") {
app::expand_home(&pdf_dir)
} else {
pdf_dir
};
// Walk the passed dir and collect all pdf files into vec
if pdf_dir.is_dir() {
for file in WalkDir::new(pdf_dir) {
let f = file.unwrap().into_path();
if f.is_file()
&& f.extension().is_some()
&& f.extension().unwrap_or_default().to_ascii_lowercase() == "pdf"
{
files.push(f);
}
}
}
if files.is_empty() {
None
} else {
Some(files)
}
}
/// This function maps a vector containing paths to another vector containing paths.
/// But it will walk all entries of the first vec which are directories
/// and put only valid file paths with `.bib` ending to the resulting vec.
pub fn parse_files(args: Vec<PathBuf>) -> Vec<PathBuf> {
let mut files: Vec<PathBuf> = Vec::new();
// If pos arg is file, just push it to path vec
for i in args {
// Expand tilde to /home/user
let i = if i.starts_with("~") {
app::expand_home(&i)
} else {
i
};
if i.is_file() {
files.push(i);
// If pos arg is dir, walk dir and collect bibfiles
} else if i.is_dir() {
for file in WalkDir::new(i) {
let f = file.unwrap().into_path();
if f.is_file()
&& f.extension().is_some()
&& f.extension().unwrap_or_default() == "bib"
{
files.push(f)
}
}
} else {
println!(
"{}\n{}",
"The positional argument is neither a valid file, nor a directory:"
.red()
.bold(),
i.as_os_str().to_string_lossy().bright_red().italic()
);
println!();
println!("{}", help_func());
std::process::exit(1)
}
}
files
}
pub fn help_func() -> String {
let help = format!(
"\
{} {}
USAGE:
bibiman [FLAGS] [files/dirs]
POSITIONAL ARGS:
<file> Path to .bib file
<dir> Path to directory containing .bib files
Both can be passed multiple times
FLAGS:
-h, --help Show this help and exit
-v, --version Show the version and exit
-c, --config-file Path to config file used for current session.
Takes precedence over standard config file.
--light-terminal Enable color mode for light terminal background
--merge-pdf-paths Merge PDF files named by citekey at the given path into
the `file` field of the entry matching the citekey
(might not work with citekeys containing special chars)",
env!("CARGO_PKG_NAME"),
env!("CARGO_PKG_VERSION"),
);
help
}
pub fn version_func() -> String {
let version = format!(
"\
{} {}
{}
{}
Target Triple: {}",
env!("CARGO_PKG_NAME"),
env!("CARGO_PKG_VERSION"),
env!("CARGO_PKG_AUTHORS"),
env!("CARGO_PKG_LICENSE"),
env!("TARGET")
);
version
}
|
