umya-spreadsheet 2.3.3

umya-spreadsheet is a library written in pure Rust to read and write xlsx file.
Documentation 
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// colBreaks
use crate::reader::driver::*;
use crate::structs::Break;
use crate::writer::driver::*;
use quick_xml::events::{BytesStart, Event};
use quick_xml::Reader;
use quick_xml::Writer;
use std::io::Cursor;
use thin_vec::ThinVec;

#[derive(Clone, Default, Debug)]
pub struct ColumnBreaks {
    break_list: ThinVec<Break>,
}

impl ColumnBreaks {
    #[inline]
    pub fn get_break_list(&self) -> &[Break] {
        &self.break_list
    }

    #[inline]
    pub fn get_break_list_mut(&mut self) -> &mut ThinVec<Break> {
        &mut self.break_list
    }

    #[inline]
    pub fn add_break_list(&mut self, value: Break) -> &mut Self {
        self.break_list.push(value);
        self
    }

    #[inline]
    pub(crate) fn has_param(&self) -> bool {
        !self.break_list.is_empty()
    }

    pub(crate) fn set_attributes<R: std::io::BufRead>(
        &mut self,
        reader: &mut Reader<R>,
        _e: &BytesStart,
    ) {
        xml_read_loop!(
            reader,
            Event::Empty(ref e) => {
                if e.name().into_inner() == b"brk" {
                    let mut obj = Break::default();
                    obj.set_attributes(reader, e);
                    self.add_break_list(obj);
                }
            },
            Event::End(ref e) => {
                if e.name().into_inner() == b"colBreaks" {
                    return
                }
            },
            Event::Eof => panic!("Error: Could not find {} end element", "colBreaks")
        );
    }

    pub(crate) fn write_to(&self, writer: &mut Writer<Cursor<Vec<u8>>>) {
        if self.has_param() {
            // colBreaks
            let mut count = 0;
            let mut manual_count = 0;
            for obj in self.get_break_list() {
                count += 1;
                if *obj.get_manual_page_break() {
                    manual_count += 1;
                }
            }
            write_start_tag(
                writer,
                "colBreaks",
                vec![
                    ("count", &count.to_string()),
                    ("manualBreakCount", &manual_count.to_string()),
                ],
                false,
            );

            // brk
            for obj in self.get_break_list() {
                obj.write_to(writer);
            }

            write_end_tag(writer, "colBreaks");
        }
    }
}