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:numCache
use std::io::Cursor;

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

use super::FormatCode;
use crate::{
    structs::{
        Address,
        Workbook,
    },
    writer::driver::{
        write_end_tag,
        write_start_tag,
        write_text_node,
    },
    xml_read_loop,
};

#[derive(Clone, Default, Debug)]
pub struct NumberingCache {
    format_code: FormatCode,
}

impl NumberingCache {
    #[must_use]
    pub fn format_code(&self) -> &FormatCode {
        &self.format_code
    }

    #[must_use]
    #[deprecated(since = "3.0.0", note = "Use format_code()")]
    pub fn get_format_code(&self) -> &FormatCode {
        self.format_code()
    }

    pub fn format_code_mut(&mut self) -> &mut FormatCode {
        &mut self.format_code
    }

    #[deprecated(since = "3.0.0", note = "Use format_code_mut()")]
    pub fn get_format_code_mut(&mut self) -> &mut FormatCode {
        self.format_code_mut()
    }

    pub fn set_format_code(&mut self, value: FormatCode) -> &mut NumberingCache {
        self.format_code = 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:formatCode" {
                    self.format_code.set_attributes(reader, e);
                }
            },
            Event::End(ref e) => {
               if e.name().0 == b"c:numCache" {
                   return;
               }
            },
            Event::Eof => panic!("Error: Could not find {} end element", "c:numCache"),
        );
    }

    pub(crate) fn write_to(
        &self,
        writer: &mut Writer<Cursor<Vec<u8>>>,
        address: &Address,
        wb: &Workbook,
    ) {
        let cell_value_list = wb.cell_value_by_address_crate(address);
        let coll_value_count = cell_value_list.len().to_string();
        // c:numCache
        write_start_tag(writer, "c:numCache", vec![], false);

        // c:formatCode
        self.format_code.write_to(writer);

        // c:ptCount
        write_start_tag(
            writer,
            "c:ptCount",
            vec![("val", &coll_value_count).into()],
            true,
        );

        for (idx, cell_value) in cell_value_list.into_iter().enumerate() {
            // c:pt
            write_start_tag(writer, "c:pt", vec![("idx", idx.to_string()).into()], false);

            // c:v
            write_start_tag(writer, "c:v", vec![], false);
            write_text_node(writer, cell_value.value());
            write_end_tag(writer, "c:v");

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

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