57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
extern crate indexmap;
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use indexmap::IndexSet;
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use std::env;
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use std::fs::{File, copy, read_dir};
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use std::io::Write;
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use std::path::Path;
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fn main()
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{
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let out_dir = env::var("OUT_DIR").unwrap();
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let dest_path = Path::new(&out_dir).join("libraries.rs");
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let mut libraries = File::create(&dest_path).unwrap();
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let mut library_index = IndexSet::new();
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let paths = read_dir("./src/prolog/lib").unwrap();
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for item in paths {
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let item = item.unwrap().path();
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if let Some(file_name) = item.file_name() {
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if let Some(ext) = item.extension() {
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if ext == "pl" {
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let file_stem = item.file_stem().unwrap();
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let file_str = file_stem.to_string_lossy().to_uppercase();
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let dest = Path::new(&out_dir).join(file_name);
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match copy(&item, dest) {
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Ok(_) => {},
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Err(e) => panic!("die: {:?}", e)
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};
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let include_line = format!("static {}: &str = include_str!(\"{}.pl\");\n",
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file_str, file_stem.to_string_lossy());
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libraries.write_all(include_line.as_bytes()).unwrap();
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library_index.insert(file_stem.to_string_lossy().to_string());
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}
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}
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}
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}
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libraries.write_all(b"\nref_thread_local! {
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pub static managed LIBRARIES: IndexMap<&'static str, &'static str> = {
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let mut m = IndexMap::new();\n").unwrap();
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for item in library_index {
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let line = format!("\n m.insert(\"{}\", {});", item, item.to_uppercase());
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libraries.write_all(line.as_bytes()).unwrap();
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}
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libraries.write_all(b"\n\n m\n };
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}").unwrap();
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}
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