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docx_rs/reader/
hyperlink.rs

1use std::io::Read;
2use std::str::FromStr;
3
4use super::*;
5
6use super::attributes::*;
7
8impl ElementReader for Hyperlink {
9    fn read<R: Read>(
10        r: &mut EventReader<R>,
11        attrs: &[OwnedAttribute],
12    ) -> Result<Self, ReaderError> {
13        let mut rid: Option<String> = read(attrs, "id");
14        let mut anchor: Option<String> = read(attrs, "anchor");
15        let history: Option<String> = read(attrs, "history");
16        let mut link = Hyperlink {
17            link: if anchor.is_some() {
18                HyperlinkData::Anchor {
19                    anchor: anchor.take().unwrap(),
20                }
21            } else {
22                HyperlinkData::External {
23                    rid: rid.take().unwrap_or_default(),
24                    path: String::default(), // not used
25                }
26            },
27            history: history.map(|h| usize::from_str(&h).unwrap_or(1)),
28            children: vec![],
29        };
30
31        loop {
32            let e = r.next();
33            match e {
34                Ok(XmlEvent::StartElement {
35                    attributes, name, ..
36                }) => {
37                    let e = XMLElement::from_str(&name.local_name).unwrap();
38
39                    match e {
40                        XMLElement::Run => {
41                            if let Ok(run) = Run::read(r, attrs) {
42                                link = link.add_run(run);
43                            }
44                            continue;
45                        }
46                        XMLElement::Insert => {
47                            if let Ok(ins) = Insert::read(r, &attributes) {
48                                link = link.add_insert(ins);
49                            }
50                            continue;
51                        }
52                        XMLElement::Delete => {
53                            if let Ok(del) = Delete::read(r, &attributes) {
54                                link = link.add_delete(del);
55                            }
56                            continue;
57                        }
58                        XMLElement::BookmarkStart => {
59                            if let Ok(s) = BookmarkStart::read(r, &attributes) {
60                                link = link.add_bookmark_start(s.id, s.name);
61                            }
62                            continue;
63                        }
64                        XMLElement::BookmarkEnd => {
65                            if let Ok(e) = BookmarkEnd::read(r, &attributes) {
66                                link = link.add_bookmark_end(e.id);
67                            }
68                            continue;
69                        }
70                        XMLElement::CommentRangeStart => {
71                            if let Some(id) = read(&attributes, "id") {
72                                if let Ok(id) = usize::from_str(&id) {
73                                    let comment = Comment::new(id);
74                                    link = link.add_comment_start(comment);
75                                }
76                            }
77                            continue;
78                        }
79                        XMLElement::CommentRangeEnd => {
80                            if let Some(id) = read(&attributes, "id") {
81                                if let Ok(id) = usize::from_str(&id) {
82                                    link = link.add_comment_end(id);
83                                }
84                            }
85                            continue;
86                        }
87                        _ => {}
88                    }
89                }
90                Ok(XmlEvent::EndElement { name, .. }) => {
91                    let e = XMLElement::from_str(&name.local_name).unwrap();
92                    if e == XMLElement::Hyperlink {
93                        return Ok(link);
94                    }
95                }
96                Err(_) => return Err(ReaderError::XMLReadError),
97                _ => {}
98            }
99        }
100    }
101}