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-rw-r--r--xtask/src/main.rs86
1 files changed, 86 insertions, 0 deletions
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
new file mode 100644
index 00000000..4bf0ae9f
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+++ b/xtask/src/main.rs
@@ -0,0 +1,86 @@
+use std::env;
+
+pub mod md_gen {
+ use super::path;
+ use std::fs;
+
+ use helix_term::commands::cmd::TYPABLE_COMMAND_LIST;
+
+ pub const TYPABLE_COMMANDS_MD_OUTPUT: &str = "typable-cmd.md";
+
+ pub fn typable_commands() -> String {
+ let mut md = String::new();
+ md.push_str("| Name | Description |\n");
+ md.push_str("| --- | --- |\n");
+
+ let cmdify = |s: &str| format!("`:{}`", s);
+
+ for cmd in TYPABLE_COMMAND_LIST {
+ let names = std::iter::once(&cmd.name)
+ .chain(cmd.aliases.iter())
+ .map(|a| cmdify(a))
+ .collect::<Vec<_>>()
+ .join(", ");
+
+ let entry = format!("| {} | {} |\n", names, cmd.doc);
+ md.push_str(&entry);
+ }
+
+ md
+ }
+
+ pub fn write(filename: &str, data: &str) {
+ let error = format!("Could not write to {}", filename);
+ let path = path::book_gen().join(filename);
+ fs::write(path, data).expect(&error);
+ }
+}
+
+pub mod path {
+ use std::path::{Path, PathBuf};
+
+ pub fn project_root() -> PathBuf {
+ Path::new(env!("CARGO_MANIFEST_DIR"))
+ .parent()
+ .unwrap()
+ .to_path_buf()
+ }
+
+ pub fn book_gen() -> PathBuf {
+ project_root().join("book/src/generated/")
+ }
+}
+
+pub mod tasks {
+ use super::md_gen;
+
+ pub fn bookgen() {
+ md_gen::write(
+ md_gen::TYPABLE_COMMANDS_MD_OUTPUT,
+ &md_gen::typable_commands(),
+ );
+ }
+
+ pub fn print_help() {
+ println!(
+ "
+Usage: Run with `cargo xtask <task>`, eg. `cargo xtask bookgen`.
+
+ Tasks:
+ bookgen: Generate files to be included in the mdbook output.
+"
+ );
+ }
+}
+
+fn main() -> Result<(), String> {
+ let task = env::args().nth(1);
+ match task {
+ None => tasks::print_help(),
+ Some(t) => match t.as_str() {
+ "bookgen" => tasks::bookgen(),
+ invalid => return Err(format!("Invalid task name: {}", invalid)),
+ },
+ };
+ Ok(())
+}