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use std::collections::HashMap;
use std::io::Write;
use xml::attribute::OwnedAttribute;
use xml::EventWriter;
use xml::writer::events::StartElementBuilder;
use xml::writer::XmlEvent as XmlWriterEvent;
use crate::components::colours::ColourMap;
#[derive(thiserror::Error, Debug)]
#[allow(clippy::enum_variant_names)]
pub enum ParseError {
#[error("Expected int: {0}")]
ExpectedInt(#[from] std::num::ParseIntError),
#[error("Expected float: {0}")]
ExpectedFloat(#[from] std::num::ParseFloatError),
#[error("Expected enum: {0}")]
ExpectedEnum(#[from] strum::ParseError),
#[error("Invalid colours: {0}")]
InvalidColours(#[from] crate::components::colours::ParseError),
}
#[derive(Debug)]
pub struct BrowserPreviewTree {
element_name: String,
colour_map: ColourMap,
playing: u8,
file: String,
play_toggle: u8,
current_relative_time: u8,
}
impl BrowserPreviewTree {
pub fn new(element_name: String) -> Self {
let colour_map = element_name.clone();
Self {
element_name,
colour_map: ColourMap::new(colour_map),
playing: 0,
file: "".to_string(),
play_toggle: 0,
current_relative_time: 0,
}
}
pub fn parse_browser(&mut self, attributes: &[OwnedAttribute]) -> Result<(), ParseError> {
for attr in attributes {
if attr.name.local_name == "playing" {
self.playing = attr.value.parse()?;
continue;
}
if attr.name.local_name == "playToggle" {
self.play_toggle = attr.value.parse()?;
continue;
}
if attr.name.local_name == "file" {
self.file = attr.value.clone();
continue;
}
if attr.name.local_name == "currentRelativeTime" {
self.current_relative_time = attr.value.parse()?;
continue;
}
if !self.colour_map.read_colours(attr)? {
println!("[{}] Unparsed Attribute: {}", self.element_name, attr.name);
}
}
Ok(())
}
pub fn write_browser<W: Write>(
&self,
writer: &mut EventWriter<&mut W>,
) -> Result<(), xml::writer::Error> {
let mut element: StartElementBuilder =
XmlWriterEvent::start_element(self.element_name.as_str());
let mut attributes: HashMap<String, String> = HashMap::default();
attributes.insert("playing".to_string(), format!("{}", self.playing));
attributes.insert("playToggle".to_string(), format!("{}", self.play_toggle));
attributes.insert("file".to_string(), self.file.clone());
attributes.insert(
"currentRelativeTime".to_string(),
format!("{}", self.current_relative_time),
);
self.colour_map.write_colours(&mut attributes);
for (key, value) in &attributes {
element = element.attr(key.as_str(), value.as_str());
}
writer.write(element)?;
writer.write(XmlWriterEvent::end_element())?;
Ok(())
}
}