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|
use papergrid::{
config::Entity,
records::{ExactRecords, PeekableRecords},
};
use crate::{
grid::records::{Records, RecordsMut},
settings::{CellOption, TableOption},
};
/// A structure to handle special chars.
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub struct Charset;
impl Charset {
/// Returns [`CleanCharset`] which removes all `\t` and `\r` occurences.
///
/// Notice that tab is just removed rather then being replaced with spaces.
/// You might be better call [`TabSize`] first if you not expect such behavior.
///
/// # Example
///
/// ```
/// use tabled::{Table, settings::formatting::Charset};
///
/// let text = "Some\ttext\t\twith \\tabs";
///
/// let mut table = Table::new([text]);
/// table.with(Charset::clean());
///
/// assert_eq!(
/// table.to_string(),
/// "+--------------------+\n\
/// | &str |\n\
/// +--------------------+\n\
/// | Sometextwith \\tabs |\n\
/// +--------------------+"
/// )
/// ```
///
/// [`TabSize`]: crate::settings::formatting::TabSize
pub fn clean() -> CleanCharset {
CleanCharset
}
}
/// [`CleanCharset`] removes all `\t` and `\r` occurences.
///
/// # Example
///
/// ```
/// use tabled::{Table, settings::formatting::Charset};
///
/// let text = "Some text which was created on windows \r\n yes they use this \\r\\n";
///
/// let mut builder = Table::builder([text]);
/// builder.set_header(["win. text"]);
///
/// let mut table = builder.build();
/// table.with(Charset::clean());
///
/// assert_eq!(
/// table.to_string(),
/// "+-----------------------------------------+\n\
/// | win. text |\n\
/// +-----------------------------------------+\n\
/// | Some text which was created on windows |\n\
/// | yes they use this \\r\\n |\n\
/// +-----------------------------------------+"
/// )
/// ```
#[derive(Debug, Default, Clone)]
pub struct CleanCharset;
impl<R, D, C> TableOption<R, D, C> for CleanCharset
where
for<'a> &'a R: Records,
R: RecordsMut<String>,
{
fn change(self, records: &mut R, _: &mut C, _: &mut D) {
let mut list = vec![];
for (row, cells) in records.iter_rows().into_iter().enumerate() {
for (col, text) in cells.into_iter().enumerate() {
let text = text.as_ref().replace(['\t', '\r'], "");
list.push(((row, col), text));
}
}
for (pos, text) in list {
records.set(pos, text);
}
}
}
impl<R, C> CellOption<R, C> for CleanCharset
where
R: Records + ExactRecords + PeekableRecords + RecordsMut<String>,
{
fn change(self, records: &mut R, _: &mut C, entity: Entity) {
let count_rows = records.count_rows();
let count_cols = records.count_columns();
for pos in entity.iter(count_rows, count_cols) {
let text = records.get_text(pos);
let text = text.replace(['\t', '\r'], "");
records.set(pos, text);
}
}
}
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