58 lines
1.1 KiB
Rust
58 lines
1.1 KiB
Rust
use pile_config::Label;
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use std::sync::Arc;
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mod epub_meta;
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pub use epub_meta::*;
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mod epub_text;
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pub use epub_text::*;
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use crate::{
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extract::traits::{ExtractState, ObjectExtractor},
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value::{Item, PileValue},
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};
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pub struct EpubExtractor {
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text: Arc<EpubTextExtractor>,
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meta: Arc<EpubMetaExtractor>,
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}
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impl EpubExtractor {
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pub fn new(item: &Item) -> Self {
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Self {
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text: Arc::new(EpubTextExtractor::new(item)),
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meta: Arc::new(EpubMetaExtractor::new(item)),
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}
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}
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}
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#[async_trait::async_trait]
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impl ObjectExtractor for EpubExtractor {
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async fn field(
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&self,
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state: &ExtractState,
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name: &pile_config::Label,
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args: Option<&str>,
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) -> Result<Option<PileValue>, std::io::Error> {
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match (name.as_str(), args) {
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("text", args) => Ok(Some(
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self.text
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.field(state, name, args)
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.await
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.map(|x| x.unwrap_or(PileValue::Null))?,
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)),
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("meta", None) => Ok(Some(PileValue::ObjectExtractor(self.meta.clone()))),
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_ => Ok(None),
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}
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}
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#[expect(clippy::unwrap_used)]
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async fn fields(&self) -> Result<Vec<Label>, std::io::Error> {
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Ok(vec![
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Label::new("text").unwrap(),
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Label::new("meta").unwrap(),
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])
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}
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}
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