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https://github.com/rust-lang/rust-analyzer
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Switch to published teraron
This commit is contained in:
parent
514aa3cf85
commit
0b6d4983de
4 changed files with 4 additions and 124 deletions
4
Cargo.lock
generated
4
Cargo.lock
generated
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@ -1024,6 +1024,7 @@ dependencies = [
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[[package]]
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[[package]]
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name = "teraron"
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name = "teraron"
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version = "0.0.1"
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version = "0.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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dependencies = [
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"failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"heck 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"heck 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -1091,7 +1092,7 @@ dependencies = [
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"clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"itertools 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"itertools 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"teraron 0.0.1",
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"teraron 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"walkdir 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"walkdir 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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]
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@ -1380,6 +1381,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum synstructure 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "85bb9b7550d063ea184027c9b8c20ac167cd36d3e06b3a40bceb9d746dc1a7b7"
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"checksum synstructure 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "85bb9b7550d063ea184027c9b8c20ac167cd36d3e06b3a40bceb9d746dc1a7b7"
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"checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
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"checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
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"checksum tera 0.11.18 (registry+https://github.com/rust-lang/crates.io-index)" = "6c87cae42cc4fc480278c7583792cc5da2d51a25be916b7921cbb45c43063b8d"
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"checksum tera 0.11.18 (registry+https://github.com/rust-lang/crates.io-index)" = "6c87cae42cc4fc480278c7583792cc5da2d51a25be916b7921cbb45c43063b8d"
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"checksum teraron 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0d89ad4617d1dec55331067fadaa041e813479e1779616f3d3ce9308bf46184e"
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"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
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"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
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"checksum text_unit 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "93fc86da66d0b9aa8d359b0ec31b4342c6bc52637eadef05b91b098551a9f8e9"
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"checksum text_unit 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "93fc86da66d0b9aa8d359b0ec31b4342c6bc52637eadef05b91b098551a9f8e9"
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"checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
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"checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
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@ -1,13 +0,0 @@
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[package]
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name = "teraron"
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version = "0.0.1"
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authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
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repository = "https://github.com/rust-analyzer/teraron"
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description = "Genrate Rust code from a .tera template and a .ron data"
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license = "MIT OR Apache-2.0"
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[dependencies]
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failure = "0.1.2"
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tera = "0.11.18"
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ron = "0.4.0"
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heck = "0.3.0"
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@ -1,109 +0,0 @@
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//! A simple tool to generate rust code by passing a ron value
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//! to a tera template
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#[macro_use]
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extern crate failure;
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extern crate tera;
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extern crate ron;
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extern crate heck;
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use std::{
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fs,
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collections::HashMap,
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path::Path,
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};
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use heck::{CamelCase, ShoutySnakeCase, SnakeCase};
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#[derive(Clone, Copy, PartialEq, Eq)]
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pub enum Mode {
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Overwrite,
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Verify,
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}
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pub use Mode::*;
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/// A helper to update file on disk if it has changed.
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/// With verify = false,
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pub fn update(path: &Path, contents: &str, mode: Mode) -> Result<(), failure::Error> {
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match fs::read_to_string(path) {
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Ok(ref old_contents) if old_contents == contents => {
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return Ok(());
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}
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_ => (),
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}
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if mode == Verify {
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bail!("`{}` is not up-to-date", path.display());
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}
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eprintln!("updating {}", path.display());
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fs::write(path, contents)?;
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Ok(())
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}
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pub fn generate(
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template: &Path,
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src: &Path,
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mode: Mode,
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) -> Result<(), failure::Error> {
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assert_eq!(
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template.extension().and_then(|it| it.to_str()), Some("tera"),
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"template file must have .rs.tera extension",
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);
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let file_name = template.file_stem().unwrap().to_str().unwrap();
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assert!(
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file_name.ends_with(".rs"),
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"template file must have .rs.tera extension",
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);
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let tgt = template.with_file_name(file_name);
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let template = fs::read_to_string(template)?;
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let src: ron::Value = {
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let text = fs::read_to_string(src)?;
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ron::de::from_str(&text)?
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};
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let content = render(&template, src)?;
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update(
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&tgt,
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&content,
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mode,
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)
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}
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pub fn render(
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template: &str,
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src: ron::Value,
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) -> Result<String, failure::Error> {
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let mut tera = mk_tera();
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tera.add_raw_template("_src", template)
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.map_err(|e| format_err!("template parsing error: {:?}", e))?;
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let res = tera.render("_src", &src)
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.map_err(|e| format_err!("template rendering error: {:?}", e))?;
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return Ok(res);
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}
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fn mk_tera() -> tera::Tera {
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let mut res = tera::Tera::default();
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res.register_filter("camel", |arg, _| {
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Ok(arg.as_str().unwrap().to_camel_case().into())
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});
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res.register_filter("snake", |arg, _| {
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Ok(arg.as_str().unwrap().to_snake_case().into())
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});
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res.register_filter("SCREAM", |arg, _| {
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Ok(arg.as_str().unwrap().to_shouty_snake_case().into())
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});
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res.register_function("concat", Box::new(concat));
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res
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}
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fn concat(args: HashMap<String, tera::Value>) -> tera::Result<tera::Value> {
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let mut elements = Vec::new();
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for &key in ["a", "b", "c"].iter() {
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let val = match args.get(key) {
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Some(val) => val,
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None => continue,
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};
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let val = val.as_array().unwrap();
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elements.extend(val.iter().cloned());
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}
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Ok(tera::Value::Array(elements))
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}
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@ -6,7 +6,7 @@ authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
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publish = false
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publish = false
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[dependencies]
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[dependencies]
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teraron = { path = "../teraron"}
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teraron = "0.0.1"
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walkdir = "2.1.3"
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walkdir = "2.1.3"
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itertools = "0.7.8"
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itertools = "0.7.8"
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clap = "2.32.0"
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clap = "2.32.0"
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