105 lines
4.0 KiB
Rust
105 lines
4.0 KiB
Rust
use std::io::Read;
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use std::str::FromStr;
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use xml::attribute::OwnedAttribute;
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use xml::reader::{EventReader, XmlEvent};
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use super::*;
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use super::attributes::*;
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impl ElementReader for Hyperlink {
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fn read<R: Read>(
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r: &mut EventReader<R>,
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attrs: &[OwnedAttribute],
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) -> Result<Self, ReaderError> {
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let mut rid: Option<String> = read(attrs, "id");
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let mut anchor: Option<String> = read(attrs, "anchor");
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let history: Option<String> = read(attrs, "history");
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let mut link = Hyperlink {
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link: if anchor.is_some() {
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HyperlinkData::Anchor {
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anchor: anchor.take().unwrap(),
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}
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} else {
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HyperlinkData::External {
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rid: rid.take().unwrap_or_default(),
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path: String::default(), // not used
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}
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},
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history: history.map(|h| usize::from_str(&h).unwrap_or(1)),
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children: vec![],
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};
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loop {
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let e = r.next();
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match e {
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Ok(XmlEvent::StartElement {
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attributes, name, ..
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}) => {
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let e = XMLElement::from_str(&name.local_name).unwrap();
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match e {
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XMLElement::Run => {
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if let Ok(run) = Run::read(r, attrs) {
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link = link.add_run(run);
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}
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continue;
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}
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XMLElement::Insert => {
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if let Ok(ins) = Insert::read(r, &attributes) {
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link = link.add_insert(ins);
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}
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continue;
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}
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XMLElement::Delete => {
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if let Ok(del) = Delete::read(r, &attributes) {
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link = link.add_delete(del);
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}
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continue;
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}
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XMLElement::BookmarkStart => {
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if let Ok(s) = BookmarkStart::read(r, &attributes) {
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link = link.add_bookmark_start(s.id, s.name);
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}
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continue;
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}
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XMLElement::BookmarkEnd => {
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if let Ok(e) = BookmarkEnd::read(r, &attributes) {
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link = link.add_bookmark_end(e.id);
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}
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continue;
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}
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XMLElement::CommentRangeStart => {
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if let Some(id) = read(&attributes, "id") {
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if let Ok(id) = usize::from_str(&id) {
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let comment = Comment::new(id);
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link = link.add_comment_start(comment);
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}
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}
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continue;
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}
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XMLElement::CommentRangeEnd => {
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if let Some(id) = read(&attributes, "id") {
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if let Ok(id) = usize::from_str(&id) {
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link = link.add_comment_end(id);
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}
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}
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continue;
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}
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_ => {}
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}
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}
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Ok(XmlEvent::EndElement { name, .. }) => {
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let e = XMLElement::from_str(&name.local_name).unwrap();
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if e == XMLElement::Hyperlink {
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return Ok(link);
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}
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}
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Err(_) => return Err(ReaderError::XMLReadError),
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_ => {}
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}
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}
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}
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}
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