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use std::collections::HashMap;
use std::io::Write;
use xml::attribute::OwnedAttribute;
use xml::writer::events::StartElementBuilder;
use xml::writer::XmlEvent as XmlWriterEvent;
use xml::EventWriter;
#[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 RootElement {
version: u8,
loudness: u8,
device: u64,
}
impl RootElement {
pub fn new() -> Self {
Self {
version: 0,
loudness: 0,
device: 0,
}
}
pub fn parse_root(&mut self, attributes: &[OwnedAttribute]) -> Result<(), ParseError> {
for attr in attributes {
if attr.name.local_name == "version" {
self.version = attr.value.parse()?;
continue;
}
if attr.name.local_name == "loudness" {
self.loudness = attr.value.parse()?;
continue;
}
if attr.name.local_name == "device" {
self.device = attr.value.parse()?;
}
}
Ok(())
}
pub fn write_initial<W: Write>(
&self,
writer: &mut EventWriter<&mut W>,
) -> Result<(), xml::writer::Error> {
let mut element: StartElementBuilder = XmlWriterEvent::start_element("ValueTreeRoot");
let mut attributes: HashMap<String, String> = HashMap::default();
attributes.insert("version".to_string(), "2".to_string());
attributes.insert("loudness".to_string(), format!("{}", self.loudness));
attributes.insert("device".to_string(), format!("{}", self.device));
for (key, value) in &attributes {
element = element.attr(key.as_str(), value.as_str());
}
writer.write(element)?;
Ok(())
}
pub fn write_final<W: Write>(
&self,
writer: &mut EventWriter<&mut W>,
) -> Result<(), xml::writer::Error> {
let mut element: StartElementBuilder = XmlWriterEvent::start_element("AppTree");
let mut attributes: HashMap<String, String> = HashMap::default();
attributes.insert("ConnectedDeviceID".to_string(), format!("{}", &self.device));
for (key, value) in &attributes {
element = element.attr(key.as_str(), value.as_str());
}
writer.write(element)?;
writer.write(XmlWriterEvent::end_element())?;
writer.write(XmlWriterEvent::end_element())?;
Ok(())
}
pub fn get_version(&self) -> u8 {
self.version
}
}