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fix(ptx): Remove truncation characters from TeX output

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The GNU `ptx` implementation does not display truncation markers (e.g., "/")
when using the TeX (`--format=tex`) output format.

This change updates the `format_tex_line` function to prevent truncation
markers from being included in the TeX output, aligning uutils'
behavior with GNU's.
This commit is contained in:
Misakait 2025-10-02 14:40:37 +08:00 • committed by Daniel Hofstetter
parent 9064619efd
commit bdd8939d1b
1 changed files with 16 additions and 13 deletions
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29
src/uu/ptx/src/ptx.rs
View file

@ -6,6 +6,7 @@
// spell-checker:ignore (ToDOs) corasick memchr Roff trunc oset iset CHARCLASS
use std::cmp;
use std::cmp::PartialEq;
use std::collections::{BTreeSet, HashMap, HashSet};
use std::ffi::{OsStr, OsString};
use std::fmt::Write as FmtWrite;
@ -22,7 +23,7 @@ use uucore::error::{FromIo, UError, UResult, UUsageError};
use uucore::format_usage;
use uucore::translate;
#[derive(Debug)]
#[derive(Debug, PartialEq)]
enum OutFormat {
Dumb,
Roff,
@ -511,19 +512,21 @@ fn get_output_chunks(
// and get the string.
let head_str: String = all_before[head_beg..head_end].iter().collect();
head.push_str(&head_str);
//The TeX mode does not output truncation characters.
if config.format != OutFormat::Tex {
// put right context truncation string if needed
if after_end != all_after.len() && tail_beg == tail_end {
after.push_str(&config.trunc_str);
} else if after_end != all_after.len() && tail_end != all_after.len() {
tail.push_str(&config.trunc_str);
}
// put right context truncation string if needed
if after_end != all_after.len() && tail_beg == tail_end {
after.push_str(&config.trunc_str);
} else if after_end != all_after.len() && tail_end != all_after.len() {
tail.push_str(&config.trunc_str);
}
// put left context truncation string if needed
if before_beg != 0 && head_beg == head_end {
before = format!("{}{before}", config.trunc_str);
} else if before_beg != 0 && head_beg != 0 {
head = format!("{}{head}", config.trunc_str);
// put left context truncation string if needed
if before_beg != 0 && head_beg == head_end {
before = format!("{}{before}", config.trunc_str);
} else if before_beg != 0 && head_beg != 0 {
head = format!("{}{head}", config.trunc_str);
}
}
(tail, before, after, head)