102 lines
3.3 KiB
Rust
102 lines
3.3 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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fn read_page_size(attributes: &[OwnedAttribute]) -> Result<PageSize, ReaderError> {
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let mut size = PageSize::new();
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for a in attributes {
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let local_name = &a.name.local_name;
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match local_name.as_str() {
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"w" => {
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size = size.width(value_to_dax(&a.value)? as u32);
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}
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"h" => {
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size = size.height(value_to_dax(&a.value)? as u32);
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}
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_ => {}
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}
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}
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Ok(size)
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}
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fn read_page_margin(
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attributes: &[OwnedAttribute],
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) -> Result<crate::types::PageMargin, ReaderError> {
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let mut margin = crate::types::PageMargin::new();
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for a in attributes {
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let local_name = &a.name.local_name;
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match local_name.as_str() {
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"top" => {
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margin = margin.top(value_to_dax(&a.value)? as u32);
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}
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"right" => {
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margin = margin.right(value_to_dax(&a.value)? as u32);
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}
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"bottom" => {
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margin = margin.bottom(value_to_dax(&a.value)? as u32);
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}
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"left" => {
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margin = margin.left(value_to_dax(&a.value)? as u32);
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}
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"header" => {
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margin = margin.header(value_to_dax(&a.value)? as u32);
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}
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"footer" => {
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margin = margin.footer(value_to_dax(&a.value)? as u32);
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}
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"gutter" => {
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margin = margin.gutter(value_to_dax(&a.value)? as u32);
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}
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_ => {}
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}
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}
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Ok(margin)
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}
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impl ElementReader for SectionProperty {
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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 sp = SectionProperty::new();
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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::PageMargin => {
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let margin = read_page_margin(&attributes)?;
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sp = sp.page_margin(margin);
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}
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XMLElement::PageSize => {
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let size = read_page_size(&attributes)?;
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sp = sp.page_size(size);
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}
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XMLElement::DocGrid => {
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if let Ok(doc_grid) = DocGrid::read(r, &attributes) {
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sp = sp.doc_grid(doc_grid);
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}
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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::SectionProperty {
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return Ok(sp);
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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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