From 14a74aea0f02da53e0f61c572da2c5244ed80551 Mon Sep 17 00:00:00 2001 From: Rory Dudley Date: Thu, 28 Mar 2024 21:05:00 -0600 Subject: The anthology module The anthology module was added to run built-in commands. The 'cd' and 'exit' built-ins were moved from the main recite() loop to this module. Additionally, the 'export' and 'source' built-ins were added. --- src/poem/anthology.rs | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 src/poem/anthology.rs (limited to 'src/poem/anthology.rs') diff --git a/src/poem/anthology.rs b/src/poem/anthology.rs new file mode 100644 index 0000000..2781081 --- /dev/null +++ b/src/poem/anthology.rs @@ -0,0 +1,32 @@ +pub mod cd; +pub mod exit; +pub mod export; +pub mod source; +use crate::poem::Verse; +use std::path::Path; + +/// A static list of all the built-in commands +static INDEX: [&str; 4] = ["cd", "exit", "export", "source"]; + +/// Lookup the index of a built-in command +/// +/// Looks up the index of a built-in command in [INDEX], accounting for aliases +pub fn lookup(verb: &str) -> Option { + let verb = match verb { + "quit" => "exit", // Alias 'quit' to 'exit' + "set" => "export", // Alias 'set' to 'export' + _ => verb, + }; + INDEX.iter().position(|v| v.to_string() == verb) +} + +pub fn incant(verse: &Verse, index: usize, path: &Vec<&Path>, bins: &mut Vec) -> i32 { + let verb = INDEX[index]; + match verb { + "cd" => cd::incant(verse), + "exit" => exit::incant(), + "export" => export::incant(verse), + "source" => source::incant(verse, path, bins), + _ => unreachable!(), + } +} -- cgit v1.2.3