From 88499e3784787d3359a6e7614ecc56d74bd34663 Mon Sep 17 00:00:00 2001 From: mehbark Date: Wed, 22 Apr 2026 15:57:33 -0400 Subject: [PATCH] use comfy_table for output --- Cargo.lock | 201 ++++++++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 1 + src/main.rs | 27 +++++-- 3 files changed, 223 insertions(+), 6 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index b5b549b..bdb9c7a 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2,6 +2,207 @@ # It is not intended for manual editing. version = 4 +[[package]] +name = "bitflags" +version = "2.11.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3" + +[[package]] +name = "cfg-if" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801" + +[[package]] +name = "comfy-table" +version = "7.2.2" +source = 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"f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5" + +[[package]] +name = "windows-sys" +version = "0.61.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc" +dependencies = [ + "windows-link", +] diff --git a/Cargo.toml b/Cargo.toml index 5f51c19..eb0ed9e 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -4,3 +4,4 @@ version = "0.1.0" edition = "2024" [dependencies] +comfy-table = "7.2.2" diff --git a/src/main.rs b/src/main.rs index 9d8125d..779dc11 100644 --- a/src/main.rs +++ b/src/main.rs @@ -6,6 +6,8 @@ use std::{ process, }; +use comfy_table::{CellAlignment, ContentArrangement, Table, presets::UTF8_FULL}; + const USAGE: &str = "\ usage: (ngram-entropy) | (ngram-entropy N) | (ngram-entropy MIN MAX)\ "; @@ -37,16 +39,29 @@ fn main() { let mut src = Vec::new(); io::stdin().read_to_end(&mut src).unwrap(); - let mut table: HashMap<&[u8], u64> = HashMap::new(); + let mut table = Table::new(); + table + .load_preset(UTF8_FULL) + .apply_modifier(comfy_table::modifiers::UTF8_SOLID_INNER_BORDERS) + .set_content_arrangement(ContentArrangement::Dynamic) + .set_header(["n", "bits", "bits/byte", "unique ngrams"]); + for column in table.column_iter_mut() { + column.set_cell_alignment(CellAlignment::Right); + } + + let mut counts: HashMap<&[u8], u64> = HashMap::new(); for n in min..=max { - let (ngrams, freqs) = ngram_freqs(n, &src, &mut table); + let (ngrams, freqs) = ngram_freqs(n, &src, &mut counts); let bits = entropy(freqs); - println!( - "{n:2}: {bits:6.3} bits, {:.3} bits/byte ({ngrams} unique ngrams)", - bits / n as f64 - ); + table.add_row([ + n.to_string(), + format!("{bits:.3}"), + format!("{:.3}", bits / n as f64), + ngrams.to_string(), + ]); } + println!("{table}"); } fn ngram_freqs<'a>(