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|
use std::{collections::HashSet, path::PathBuf};
use just_template::{Template, tmpl};
use regex::Regex;
use tokio::fs;
use crate::r#gen::{
constants::{COMMANDS_PATH, OVERRIDE_RENDERER_ENTRY, OVERRIDE_RENDERER_ENTRY_TEMPLATE},
resolve_types::resolve_type_paths,
};
pub async fn generate_override_renderer(repo_root: &PathBuf) {
let template_path = repo_root.join(OVERRIDE_RENDERER_ENTRY_TEMPLATE);
let output_path = repo_root.join(OVERRIDE_RENDERER_ENTRY);
let all_possible_types = collect_all_possible_types(&PathBuf::from(COMMANDS_PATH)).await;
// Read the template
let template_content = tokio::fs::read_to_string(&template_path).await.unwrap();
// Create template
let mut template = Template::from(template_content);
for type_name in &all_possible_types {
let name = type_name.split("::").last().unwrap_or(type_name);
tmpl!(template += {
type_match_arms {
(jv_output_type_name = name, jv_output_type = type_name)
}
});
}
// Expand the template
let final_content = template.expand().unwrap();
// Write the generated code
tokio::fs::write(output_path, final_content).await.unwrap();
println!(
"Generated override renderer entry with {} types using just_template",
all_possible_types.len()
);
}
pub async fn collect_all_possible_types(dir: &PathBuf) -> HashSet<String> {
let mut all_types = HashSet::new();
let mut dirs_to_visit = vec![dir.clone()];
while let Some(current_dir) = dirs_to_visit.pop() {
let entries_result = fs::read_dir(¤t_dir).await;
if entries_result.is_err() {
continue;
}
let mut entries = entries_result.unwrap();
loop {
let entry_result = entries.next_entry().await;
if entry_result.is_err() {
break;
}
let entry_opt = entry_result.unwrap();
if entry_opt.is_none() {
break;
}
let entry = entry_opt.unwrap();
let path = entry.path();
if path.is_dir() {
dirs_to_visit.push(path);
continue;
}
let is_rs_file = path.extension().map(|ext| ext == "rs").unwrap_or(false);
if !is_rs_file {
continue;
}
let code_result = fs::read_to_string(&path).await;
if code_result.is_err() {
continue;
}
let code = code_result.unwrap();
let types_opt = resolve_type_paths(&code, get_output_types(&code).unwrap());
if let Some(types) = types_opt {
for type_name in types {
all_types.insert(type_name);
}
}
}
}
all_types
}
pub fn get_output_types(code: &String) -> Option<Vec<String>> {
let mut output_types = Vec::new();
// Find all cmd_output! macros
let cmd_output_re = Regex::new(r"cmd_output!\s*\(\s*([^,]+)\s*=>\s*[^)]+\s*\)").ok()?;
for cap in cmd_output_re.captures_iter(code) {
let type_name = cap[1].trim();
output_types.push(type_name.to_string());
}
Some(output_types)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_get_output_types() {
const SITUATION: &str = "
use crate::{
cmd_output,
cmds::out::{
JVCustomOutput, JVCustomOutput2
},
systems::cmd::{
cmd_system::JVCommandContext,
errors::{CmdExecuteError, CmdPrepareError},
workspace_reader::LocalWorkspaceReader,
},
};
use cmd_system_macros::exec;
use other::cmds::output::JVCustomOutputOutside;
async fn exec() -> Result<(), CmdExecuteError> {
cmd_output!(output, JVCustomOutput)
cmd_output!(output, JVCustomOutput2)
cmd_output!(output, JVCustomOutputNotExist)
cmd_output!(output, JVCustomOutputOutside)
}
";
let result = get_output_types(&SITUATION.to_string());
assert!(result.is_some(), "Parse failed");
let result = result.unwrap();
let expected = vec![
"JVCustomOutput".to_string(),
"JVCustomOutput2".to_string(),
"JVCustomOutputNotExist".to_string(),
"JVCustomOutputOutside".to_string(),
];
assert_eq!(result, expected);
let result = resolve_type_paths(&SITUATION.to_string(), expected);
assert!(result.is_some(), "Parse failed");
let result = result.unwrap();
let expected = vec![
"crate::cmds::out::JVCustomOutput".to_string(),
"crate::cmds::out::JVCustomOutput2".to_string(),
"other::cmds::output::JVCustomOutputOutside".to_string(),
];
assert_eq!(result, expected);
}
}
|
