docx-reader 0.1.1

use std::io::Read;
use std::str::FromStr;
use xml::attribute::OwnedAttribute;
use xml::reader::{EventReader, XmlEvent};

use super::*;

impl ElementReader for TableCellMargins {
	fn read<R: Read>(r: &mut EventReader<R>, _: &[OwnedAttribute]) -> Result<Self, ReaderError> {
		let mut margins = TableCellMargins::default();
		loop {
			let e = r.next();
			match e {
				Ok(XmlEvent::StartElement {
					attributes, name, ..
				}) => {
					let e = XMLElement::from_str(&name.local_name).unwrap();
					match e {
						XMLElement::Top => {
							if let Ok(width) = read_width(&attributes) {
								margins = margins.margin_top(width.0 as usize, width.1)
							}
						}
						XMLElement::Right => {
							if let Ok(width) = read_width(&attributes) {
								margins = margins.margin_right(width.0 as usize, width.1)
							}
						}
						XMLElement::Bottom => {
							if let Ok(width) = read_width(&attributes) {
								margins = margins.margin_bottom(width.0 as usize, width.1)
							}
						}
						XMLElement::Left => {
							if let Ok(width) = read_width(&attributes) {
								margins = margins.margin_left(width.0 as usize, width.1)
							}
						}
						_ => {}
					}
				}
				Ok(XmlEvent::EndElement { name, .. }) => {
					let e = XMLElement::from_str(&name.local_name).unwrap();
					if e == XMLElement::TableCellMargin {
						return Ok(margins);
					}
				}
				Err(_) => return Err(ReaderError::XMLReadError),
				_ => {}
			}
		}
	}
}