use std::io::Read;
use xml::reader::{EventReader, XmlEvent};
use super::*;
use crate::reader::{FromXML, ReaderError};
use std::str::FromStr;
impl FromXML for Styles {
fn from_xml<R: Read>(reader: R) -> Result<Self, ReaderError> {
let mut parser = EventReader::new(reader);
let mut styles = Self::default();
loop {
let e = parser.next();
match e {
Ok(XmlEvent::StartElement {
attributes, name, ..
}) => {
let e = XMLElement::from_str(&name.local_name).unwrap();
match e {
XMLElement::Style => {
if let Ok(s) = Style::read(&mut parser, &attributes) {
styles = styles.add_style(s);
}
continue;
}
XMLElement::DocDefaults => {
if let Ok(d) = DocDefaults::read(&mut parser, &attributes) {
styles = styles.doc_defaults(d);
}
continue;
}
_ => {}
}
}
Ok(XmlEvent::EndElement { name, .. }) => {
let e = XMLElement::from_str(&name.local_name).unwrap();
if let XMLElement::Styles = e {
break;
}
}
Err(_) => return Err(ReaderError::XMLReadError),
_ => {}
}
}
Ok(styles)
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::types::*;
#[cfg(test)]
use pretty_assertions::assert_eq;
#[test]
fn test_from_xml() {
let xml = r#"<w:styles xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main">
<w:style w:type="character" w:styleId="FootnoteTextChar">
<w:name w:val="Footnote Text Char"></w:name>
<w:rPr>
<w:sz w:val="20"></w:sz>
<w:szCs w:val="20"></w:szCs>
</w:rPr>
<w:uiPriority w:val="99"></w:uiPriority>
<w:unhideWhenUsed></w:unhideWhenUsed>
<w:basedOn w:val="DefaultParagraphFont"></w:basedOn>
<w:link w:val="FootnoteText"></w:link>
<w:uiPriority w:val="99"></w:uiPriority>
<w:semiHidden></w:semiHidden>
</w:style>
</w:styles>"#;
let s = Styles::from_xml(xml.as_bytes()).unwrap();
let mut styles = Styles::new();
styles = styles.add_style(
Style::new("FootnoteTextChar", StyleType::Character)
.name("Footnote Text Char")
.size(20)
.based_on("DefaultParagraphFont"),
);
assert_eq!(s, styles);
}
}