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

// fronts
use std::io::Cursor;

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

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

#[derive(Clone, Default, Debug)]
pub(crate) struct Fonts {
    font: Vec<Font>,
}

impl Fonts {
    #[inline]
    pub(crate) fn font(&self) -> &[Font] {
        &self.font
    }

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

    #[inline]
    #[allow(dead_code)]
    pub(crate) fn font_mut(&mut self) -> &mut Vec<Font> {
        &mut self.font
    }

    #[inline]
    #[allow(dead_code)]
    #[deprecated(since = "3.0.0", note = "Use font_mut()")]
    pub(crate) fn get_font_mut(&mut self) -> &mut Vec<Font> {
        self.font_mut()
    }

    #[inline]
    pub(crate) fn set_font(&mut self, value: Font) -> &mut Self {
        self.font.push(value);
        self
    }

    pub(crate) fn set_style(&mut self, style: &Style) -> u32 {
        match style.font() {
            Some(v) => {
                let hash_code = v.hash_code();
                let mut id = 0;
                for font in &self.font {
                    if font.hash_code() == hash_code {
                        return id;
                    }
                    id += 1;
                }
                self.set_font(v.clone());
                id
            }
            None => 0,
        }
    }

    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"font" {
                    let obj = Font::default();
                    self.set_font(obj);
                }
            },
            Event::Start(ref e) => {
                if e.name().into_inner() == b"font" {
                    let mut obj = Font::default();
                    obj.set_attributes(reader, e);
                    self.set_font(obj);
                }
            },
            Event::End(ref e) => {
                if e.name().into_inner() == b"fonts" {
                    return
                }
            },
            Event::Eof => panic!("Error: Could not find {} end element", "fonts")
        );
    }

    pub(crate) fn write_to(&self, writer: &mut Writer<Cursor<Vec<u8>>>) {
        if !self.font.is_empty() {
            // fonts
            write_start_tag(
                writer,
                "fonts",
                vec![
                    ("count", &self.font.len().to_string()).into(),
                    ("x14ac:knownFonts", "1").into(),
                ],
                false,
            );

            // font
            for font in &self.font {
                font.write_to_font(writer);
            }

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