umya-spreadsheet 3.0.0

umya-spreadsheet is a library written in pure Rust to read and write xlsx file.
Documentation 
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// c:strLit
use std::io::Cursor;

use quick_xml::{
    Reader,
    Writer,
    events::{
        BytesStart,
        Event,
    },
};

use super::StringPoint;
use crate::{
    reader::driver::xml_read_loop,
    writer::driver::{
        write_end_tag,
        write_start_tag,
    },
};

#[derive(Clone, Default, Debug)]
pub struct StringLiteral {
    string_point_list: Vec<StringPoint>,
}

impl StringLiteral {
    #[must_use]
    pub fn string_point_list(&self) -> &[StringPoint] {
        &self.string_point_list
    }

    #[must_use]
    #[deprecated(since = "3.0.0", note = "Use string_point_list()")]
    pub fn get_string_point_list(&self) -> &[StringPoint] {
        self.string_point_list()
    }

    pub fn string_point_list_mut(&mut self) -> &mut Vec<StringPoint> {
        &mut self.string_point_list
    }

    #[deprecated(since = "3.0.0", note = "Use string_point_list_mut()")]
    pub fn get_string_point_list_mut(&mut self) -> &mut Vec<StringPoint> {
        self.string_point_list_mut()
    }

    pub fn add_string_point_list(&mut self, value: StringPoint) -> &mut Self {
        self.string_point_list.push(value);
        self
    }

    pub(crate) fn set_attributes<R: std::io::BufRead>(
        &mut self,
        reader: &mut Reader<R>,
        _e: &BytesStart,
    ) {
        xml_read_loop!(
            reader,
            Event::Start(ref e) => {
                if e.name().0 == b"c:pt" {
                    let mut obj = StringPoint::default();
                    obj.set_attributes(reader, e);
                    self.add_string_point_list(obj);
                }
            },
            Event::End(ref e) => {
                if e.name().0 == b"c:strLit" {
                    return;
                }
            },
            Event::Eof => panic!("Error: Could not find {} end element", "c:strLit")
        );
    }

    pub(crate) fn write_to(&self, writer: &mut Writer<Cursor<Vec<u8>>>) {
        // c:strLit
        write_start_tag(writer, "c:strLit", vec![], false);

        // c:ptCount
        let count = self.string_point_list.len().to_string();
        write_start_tag(writer, "c:ptCount", vec![("val", &count).into()], true);

        // c:pt
        for (index, obj) in self.string_point_list.iter().enumerate() {
            obj.write_to(writer, index.try_into().unwrap());
        }

        write_end_tag(writer, "c:strLit");
    }
}