56 lines
1.4 KiB
Rust
56 lines
1.4 KiB
Rust
use crate::{get_selections, open_command_fifo, KakMessage};
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use std::io::Write;
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#[derive(clap::StructOpt, Debug)]
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pub struct Options {
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#[clap(short, long)]
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left: bool,
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#[clap(short, long)]
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right: bool,
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#[clap(short, long)]
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no_preserve_newline: bool,
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}
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pub fn trim(options: &Options) -> Result<KakMessage, KakMessage> {
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let selections = get_selections()?;
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let mut f = open_command_fifo()?;
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write!(f, "reg '\"'")?;
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let mut num_trimmed: usize = 0;
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let num_selections = selections.len();
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for i in selections.into_iter().map(|s| {
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let new_string = match (options.left, options.right) {
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(true, true) | (false, false) => {
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// Either they specified both, or neither
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s.trim()
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}
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(true, false) => s.trim_start(),
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(false, true) => s.trim_end(),
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};
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if s.len() != new_string.len() {
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num_trimmed = num_trimmed.saturating_add(1);
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}
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if !options.no_preserve_newline && s.ends_with('\n') {
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s + "\n"
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} else {
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new_string.to_string()
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}
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}) {
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write!(f, " '{}'", i.replace('\'', "''"))?;
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}
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write!(f, " ; exec R;")?;
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f.flush()?;
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Ok(KakMessage(
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format!(
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"Trimmed {} selections ({} changed)",
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num_selections, num_trimmed
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),
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None,
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))
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}
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