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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143

// mergeCell
use std::io::Cursor;

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

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

#[derive(Clone, Default, Debug)]
pub(crate) struct MergeCells {
    range: Vec<Range>,
}

impl MergeCells {
    #[inline]
    pub(crate) fn range_collection(&self) -> &[Range] {
        &self.range
    }

    #[inline]
    #[deprecated(since = "3.0.0", note = "Use range_collection()")]
    pub(crate) fn get_range_collection(&self) -> &[Range] {
        self.range_collection()
    }

    #[inline]
    pub(crate) fn range_collection_mut(&mut self) -> &mut Vec<Range> {
        &mut self.range
    }

    #[inline]
    #[deprecated(since = "3.0.0", note = "Use range_collection_mut()")]
    pub(crate) fn get_range_collection_mut(&mut self) -> &mut Vec<Range> {
        self.range_collection_mut()
    }

    #[inline]
    pub(crate) fn add_range<S: Into<String>>(&mut self, range: S) -> &mut Self {
        let mut obj = Range::default();
        obj.set_range(range);
        self.range.push(obj);
        self
    }

    pub(crate) fn has_vertical(&self, row_num: u32) -> bool {
        self.range_collection().iter().any(|range| {
            let start_num = match range.coordinate_start_row() {
                Some(v) => v.num() <= row_num,
                None => true,
            };

            let end_num = match range.coordinate_end_row() {
                Some(v) => v.num() >= row_num,
                None => true,
            };

            start_num && end_num && start_num != end_num
        })
    }

    pub(crate) fn has_horizontal(&self, col_num: u32) -> bool {
        self.range_collection().iter().any(|range| {
            let start_num = match range.coordinate_start_col() {
                Some(v) => v.num() <= col_num,
                None => true,
            };

            let end_num = match range.coordinate_end_col() {
                Some(v) => v.num() >= col_num,
                None => true,
            };

            start_num && end_num && start_num != end_num
        })
    }

    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"mergeCell" {
                    self.add_range(get_attribute(e, b"ref").unwrap());
                }
            },
            Event::End(ref e) => {
                if e.name().into_inner() == b"mergeCells" {
                    return
                }
            },
            Event::Eof => panic!("Error: Could not find {} end element", "mergeCells")
        );
    }

    pub(crate) fn write_to(&self, writer: &mut Writer<Cursor<Vec<u8>>>) {
        if !self.range_collection().is_empty() {
            // mergeCells
            write_start_tag(
                writer,
                "mergeCells",
                vec![
                    (
                        "count",
                        &self.range_collection().len().to_string(),
                    )
                        .into(),
                ],
                false,
            );

            // mergeCell
            for merge_cell in self.range_collection() {
                write_start_tag(
                    writer,
                    "mergeCell",
                    vec![("ref", &merge_cell.range()).into()],
                    true,
                );
            }

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