excel_reader 2.0.2 

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

use std::io::Read;

use anyhow::bail;
use quick_xml::events::{BytesStart, Event};

use crate::{
    excel::XmlReader,
    raw::drawing::{
        non_visual_properties::{
            application_non_visual_drawing_properties::XlsxApplicationNonVisualDrawingProperties,
            excel_non_visual_content_part_shape_properties::XlsxExcelNonVisualContentPartShapeProperties,
        },
        shape::transform_2d::XlsxTransform2D,
    },
};

/// https://learn.microsoft.com/en-us/dotnet/api/documentformat.openxml.drawing.spreadsheet.contentpart?view=openxml-3.0.1
///
/// This element specifies a reference to XML content in a format not defined by /IEC 29500, such as:
/// - MathML (http://www.w3.org/TR/MathML2/)
/// - SMIL (http://www.w3.org/TR/REC-smil/)
/// - SVG (http://www.w3.org/TR/SVG11/)
///
/// Example:
/// ```
/// <wsDr>
///   <twoCellAnchor>
///     <from>
///       <col>3</col>
///       <colOff>152400</colOff>
///       <row>5</row>
///       <rowOff>123825</rowOff>
///     </from>
///     <to>
///       <col>8</col>
///       <colOff>266700</colOff>
///       <row>22</row>
///       <rowOff>38100</rowOff>
///     </to>
///   </twoCellAnchor>
///   <contentPart r:id="svg1"/>
/// </wsDr>
/// ```
///
/// contentPart
#[derive(Debug, Clone, PartialEq)]
pub struct XlsxContentPart {
    // children elements

    // extLst (Not Supported)
    /// nvPr (ApplicationNonVisualDrawingProperties)
    pub application_non_visual_drawing_properties:
        Option<XlsxApplicationNonVisualDrawingProperties>,

    /// nvContentPartPr (ExcelNonVisualContentPartShapeProperties)
    pub excel_non_visual_content_part_shape_properties:
        Option<XlsxExcelNonVisualContentPartShapeProperties>,

    /// xfrm (Transform2D)
    pub transform_2d: Option<XlsxTransform2D>,

    // attributes
    /// bwMode (BlackWhiteMode)
    ///
    /// possible values: https://learn.microsoft.com/en-us/dotnet/api/documentformat.openxml.drawing.blackwhitemodevalues?view=openxml-3.0.1
    pub black_white_mode: Option<String>,

    /// id (RelationshipId)
    pub id: Option<String>,
}

impl XlsxContentPart {
    pub(crate) fn load(reader: &mut XmlReader<impl Read>, e: &BytesStart) -> anyhow::Result<Self> {
        let mut buf = Vec::new();
        let mut properties = Self {
            application_non_visual_drawing_properties: None,
            excel_non_visual_content_part_shape_properties: None,
            transform_2d: None,
            black_white_mode: None,
            id: None,
        };

        let attributes = e.attributes();

        for a in attributes {
            match a {
                Ok(a) => {
                    let string_value = String::from_utf8(a.value.to_vec())?;
                    match a.key.local_name().as_ref() {
                        b"bwMode" => {
                            properties.black_white_mode = Some(string_value);
                        }
                        b"id" => {
                            properties.id = Some(string_value);
                        }
                        _ => {}
                    }
                }
                Err(error) => {
                    bail!(error.to_string())
                }
            }
        }

        loop {
            buf.clear();

            match reader.read_event_into(&mut buf) {
                Ok(Event::Start(ref e)) if e.local_name().as_ref() == b"extLst" => {
                    let _ = reader.read_to_end_into(e.to_end().to_owned().name(), &mut Vec::new());
                }
                Ok(Event::Start(ref e)) if e.local_name().as_ref() == b"nvPr" => {
                    properties.application_non_visual_drawing_properties =
                        Some(XlsxApplicationNonVisualDrawingProperties::load(e)?);
                }
                Ok(Event::Start(ref e)) if e.local_name().as_ref() == b"nvContentPartPr" => {
                    properties.excel_non_visual_content_part_shape_properties =
                        Some(XlsxExcelNonVisualContentPartShapeProperties::load(reader)?);
                }
                Ok(Event::Start(ref e)) if e.local_name().as_ref() == b"xfrm" => {
                    properties.transform_2d = Some(XlsxTransform2D::load(reader, e)?);
                }
                Ok(Event::End(ref e)) if e.local_name().as_ref() == b"contentPart" => break,
                Ok(Event::Eof) => {
                    bail!("unexpected end of file at XlsxContentPart: `contentPart`.")
                }
                Err(e) => bail!(e.to_string()),
                _ => (),
            }
        }

        Ok(properties)
    }
}