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use super::sets::{generate_resources_sets, SplitByCount};
use std::{
env, io,
path::{Path, PathBuf},
};
pub fn resource_dir<P: AsRef<Path>>(resource_dir: P) -> ResourceDir {
ResourceDir {
resource_dir: resource_dir.as_ref().into(),
..Default::default()
}
}
#[derive(Default)]
pub struct ResourceDir {
pub(crate) resource_dir: PathBuf,
pub(crate) filter: Option<fn(p: &Path) -> bool>,
pub(crate) generated_filename: Option<PathBuf>,
pub(crate) generated_fn: Option<String>,
pub(crate) module_name: Option<String>,
pub(crate) count_per_module: Option<usize>,
}
pub const DEFAULT_MODULE_NAME: &str = "sets";
pub const DEFAULT_COUNT_PER_MODULE: usize = 256;
impl ResourceDir {
pub fn build(self) -> io::Result<()> {
let generated_filename = self.generated_filename.unwrap_or_else(|| {
let out_dir = env::var("OUT_DIR").unwrap();
Path::new(&out_dir).join("generated.rs")
});
let generated_fn = self.generated_fn.unwrap_or_else(|| "generate".into());
let module_name = self
.module_name
.unwrap_or_else(|| format!("{}_{}", &generated_fn, DEFAULT_MODULE_NAME));
let count_per_module = self.count_per_module.unwrap_or(DEFAULT_COUNT_PER_MODULE);
generate_resources_sets(
&self.resource_dir,
self.filter,
&generated_filename,
module_name.as_str(),
&generated_fn,
&mut SplitByCount::new(count_per_module),
)
}
pub fn with_filter(&mut self, filter: fn(p: &Path) -> bool) -> &mut Self {
self.filter = Some(filter);
self
}
pub fn with_generated_filename<P: AsRef<Path>>(&mut self, generated_filename: P) -> &mut Self {
self.generated_filename = Some(generated_filename.as_ref().into());
self
}
pub fn with_generated_fn<S>(&mut self, generated_fn: S) -> &mut Self
where
S: Into<String>,
{
self.generated_fn = Some(generated_fn.into());
self
}
pub fn with_module_name<S>(&mut self, module_name: S) -> &mut Self
where
S: Into<String>,
{
self.module_name = Some(module_name.into());
self
}
pub fn with_count_per_module(&mut self, count_per_module: usize) -> &mut Self {
self.count_per_module = Some(count_per_module);
self
}
}