umya-spreadsheet 3.0.0

umya-spreadsheet is a library written in pure Rust to read and write xlsx file.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116

// rowBreaks
use std::io::Cursor;

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

use crate::{
    reader::driver::xml_read_loop,
    structs::Break,
    writer::driver::{
        write_end_tag,
        write_start_tag,
    },
};

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

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

    #[inline]
    #[must_use]
    #[deprecated(since = "3.0.0", note = "Use break_list()")]
    pub fn get_break_list(&self) -> &[Break] {
        self.break_list()
    }

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

    #[inline]
    #[deprecated(since = "3.0.0", note = "Use break_list_mut()")]
    pub fn get_break_list_mut(&mut self) -> &mut Vec<Break> {
        self.break_list_mut()
    }

    #[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"rowBreaks" {
                    return
                }
            },
            Event::Eof => panic!("Error: Could not find {} end element", "rowBreaks")
        );
    }

    pub(crate) fn write_to(&self, writer: &mut Writer<Cursor<Vec<u8>>>) {
        if !self.has_param() {
            return;
        }

        // rowBreaks
        let mut count = 0;
        let mut manual_count = 0;
        for obj in self.break_list() {
            count += 1;
            if obj.manual_page_break() {
                manual_count += 1;
            }
        }
        write_start_tag(
            writer,
            "rowBreaks",
            vec![
                ("count", count.to_string()).into(),
                ("manualBreakCount", manual_count.to_string()).into(),
            ],
            false,
        );

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

        write_end_tag(writer, "rowBreaks");
    }
}