docx_rs/reader/
tab.rs

1use std::io::Read;
2use std::str::FromStr;
3
4use crate::types::*;
5
6use super::*;
7
8fn read_custom_tab_stop_type(attributes: &[OwnedAttribute]) -> Result<TabValueType, ReaderError> {
9    for a in attributes {
10        let local_name = &a.name.local_name;
11        if local_name == "val" {
12            let v = a.value.to_owned();
13            if let Ok(t) = TabValueType::from_str(&v) {
14                return Ok(t);
15            }
16        }
17    }
18    Err(ReaderError::TypeError(crate::TypeError::FromStrError))
19}
20
21fn read_custom_tab_stop_leader(
22    attributes: &[OwnedAttribute],
23) -> Result<TabLeaderType, ReaderError> {
24    for a in attributes {
25        let local_name = &a.name.local_name;
26        if local_name == "leader" {
27            let v = a.value.to_owned();
28            if let Ok(t) = TabLeaderType::from_str(&v) {
29                return Ok(t);
30            }
31        }
32    }
33    Err(ReaderError::TypeError(crate::TypeError::FromStrError))
34}
35
36fn read_custom_tab_stop_pos(attributes: &[OwnedAttribute]) -> Result<f32, ReaderError> {
37    for a in attributes {
38        let local_name = &a.name.local_name;
39        if local_name == "pos" {
40            let v = a.value.to_owned();
41            if let Ok(t) = f32::from_str(&v) {
42                return Ok(t);
43            }
44        }
45    }
46    Err(ReaderError::TypeError(crate::TypeError::FromStrError))
47}
48
49impl ElementReader for Tab {
50    fn read<R: Read>(
51        r: &mut EventReader<R>,
52        attrs: &[OwnedAttribute],
53    ) -> Result<Self, ReaderError> {
54        let mut tab = Tab::new();
55        if let Ok(t) = read_custom_tab_stop_type(attrs) {
56            tab = tab.val(t);
57        }
58        if let Ok(pos) = read_custom_tab_stop_pos(attrs) {
59            tab = tab.pos(pos as usize);
60        }
61        if let Ok(leader) = read_custom_tab_stop_leader(attrs) {
62            tab = tab.leader(leader);
63        }
64        loop {
65            let e = r.next();
66            match e {
67                Ok(XmlEvent::EndElement { name, .. }) => {
68                    let e = XMLElement::from_str(&name.local_name).unwrap();
69                    if e == XMLElement::Tab {
70                        return Ok(tab);
71                    }
72                }
73                Err(_) => return Err(ReaderError::XMLReadError),
74                _ => {}
75            }
76        }
77    }
78}
docx_rs/reader/tab.rs

docx_rs/reader/
tab.rs
