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|
use super::*;
use anyhow::{bail, Context, Result};
use async_recursion::async_recursion;
use std::{collections::HashMap, fs::read_to_string, path::Path};
pub fn load_file(
loaders: &HashMap<String, String>,
path: &str,
loader_name: &str,
) -> Result<Vec<RagDocument>> {
match loaders.get(loader_name) {
Some(loader_command) => load_with_command(path, loader_name, loader_command),
None => load_plain(path),
}
}
fn load_plain(path: &str) -> Result<Vec<RagDocument>> {
let contents = read_to_string(path)?;
let document = RagDocument::new(contents);
Ok(vec![document])
}
fn load_with_command(
path: &str,
loader_name: &str,
loader_command: &str,
) -> Result<Vec<RagDocument>> {
let cmd_args = shell_words::split(loader_command)
.with_context(|| anyhow!("Invalid rag loader '{loader_name}': `{loader_command}`"))?;
let cmd_args: Vec<_> = cmd_args
.into_iter()
.map(|v| if v == "$1" { path.to_string() } else { v })
.collect();
let cmd_eval = shell_words::join(&cmd_args);
let (cmd, args) = cmd_args.split_at(1);
let cmd = &cmd[0];
let (success, stdout, stderr) =
run_command_with_output(cmd, args, None).with_context(|| {
format!("Unable to run `{cmd_eval}`, Perhaps '{cmd}' is not installed?")
})?;
if !success {
let err = if !stderr.is_empty() {
stderr
} else {
format!("The command `{cmd_eval}` exited with non-zero.")
};
bail!("{err}")
}
let document = RagDocument::new(stdout);
Ok(vec![document])
}
pub fn parse_glob(path_str: &str) -> Result<(String, Vec<String>)> {
if let Some(start) = path_str.find("/**/*.").or_else(|| path_str.find(r"\**\*.")) {
let base_path = path_str[..start].to_string();
if let Some(curly_brace_end) = path_str[start..].find('}') {
let end = start + curly_brace_end;
let extensions_str = &path_str[start + 6..end + 1];
let extensions = if extensions_str.starts_with('{') && extensions_str.ends_with('}') {
extensions_str[1..extensions_str.len() - 1]
.split(',')
.map(|s| s.to_string())
.collect::<Vec<String>>()
} else {
bail!("Invalid path '{path_str}'");
};
Ok((base_path, extensions))
} else {
let extensions_str = &path_str[start + 6..];
let extensions = vec![extensions_str.to_string()];
Ok((base_path, extensions))
}
} else {
Ok((path_str.to_string(), vec![]))
}
}
#[async_recursion]
pub async fn list_files(
files: &mut Vec<String>,
entry_path: &Path,
suffixes: Option<&Vec<String>>,
) -> Result<()> {
if !entry_path.exists() {
bail!("Not found: {:?}", entry_path);
}
if entry_path.is_file() {
add_file(files, suffixes, entry_path);
return Ok(());
}
if !entry_path.is_dir() {
bail!("Not a directory: {:?}", entry_path);
}
let mut reader = tokio::fs::read_dir(entry_path).await?;
while let Some(entry) = reader.next_entry().await? {
let path = entry.path();
if path.is_file() {
add_file(files, suffixes, &path);
} else if path.is_dir() {
list_files(files, &path, suffixes).await?;
}
}
Ok(())
}
fn add_file(files: &mut Vec<String>, suffixes: Option<&Vec<String>>, path: &Path) {
if is_valid_extension(suffixes, path) {
files.push(path.display().to_string());
}
}
fn is_valid_extension(suffixes: Option<&Vec<String>>, path: &Path) -> bool {
if let Some(suffixes) = suffixes {
if !suffixes.is_empty() {
if let Some(extension) = path.extension().map(|v| v.to_string_lossy().to_string()) {
return suffixes.contains(&extension);
}
return false;
}
}
true
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_parse_glob() {
assert_eq!(parse_glob("dir").unwrap(), ("dir".into(), vec![]));
assert_eq!(
parse_glob("dir/file.md").unwrap(),
("dir/file.md".into(), vec![])
);
assert_eq!(
parse_glob("dir/**/*.md").unwrap(),
("dir".into(), vec!["md".into()])
);
assert_eq!(
parse_glob("dir/**/*.{md,txt}").unwrap(),
("dir".into(), vec!["md".into(), "txt".into()])
);
assert_eq!(
parse_glob("C:\\dir\\**\\*.{md,txt}").unwrap(),
("C:\\dir".into(), vec!["md".into(), "txt".into()])
);
}
}
|
