Improve arg parsing

crates/pile-value/src/extract/item/epub/epub_meta.rs

@@ -85,7 +85,15 @@ impl EpubMetaExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for EpubMetaExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		Ok(self.get_inner().await?.get(name).cloned())
 	}
 

crates/pile-value/src/extract/item/epub/epub_text.rs

@@ -95,7 +95,15 @@ fn strip_html(html: &str) -> String {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for EpubTextExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		Ok(self.get_inner().await?.get(name).cloned())
 	}
 

crates/pile-value/src/extract/item/epub/mod.rs

@@ -28,10 +28,14 @@ impl EpubExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for EpubExtractor {
-	async fn field(&self, name: &pile_config::Label) -> Result<Option<PileValue>, std::io::Error> {
-		match name.as_str() {
-			"text" => self.text.field(name).await,
-			"meta" => Ok(Some(PileValue::ObjectExtractor(self.meta.clone()))),
+	async fn field(
+		&self,
+		name: &pile_config::Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		match (name.as_str(), args) {
+			("text", args) => self.text.field(name, args).await,
+			("meta", None) => Ok(Some(PileValue::ObjectExtractor(self.meta.clone()))),
 			_ => Ok(None),
 		}
 	}

crates/pile-value/src/extract/item/exif.rs

@@ -86,7 +86,15 @@ fn tag_to_label(tag: &str) -> Option<Label> {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for ExifExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		Ok(self.get_inner().await?.get(name).cloned())
 	}
 

crates/pile-value/src/extract/item/flac.rs

@@ -142,7 +142,15 @@ impl FlacExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for FlacExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		if name.as_str() == "images"
 			&& let Some(ref images) = self.images
 		{

crates/pile-value/src/extract/item/fs.rs

@@ -70,7 +70,15 @@ impl FsExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for FsExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		Ok(self.get_inner()?.get(name).cloned())
 	}
 

crates/pile-value/src/extract/item/id3.rs

@@ -123,7 +123,15 @@ fn frame_id_to_field(id: &str) -> Cow<'static, str> {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for Id3Extractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		Ok(self.get_inner().await?.get(name).cloned())
 	}
 

crates/pile-value/src/extract/item/mod.rs

@@ -80,8 +80,12 @@ impl ItemExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for ItemExtractor {
-	async fn field(&self, name: &pile_config::Label) -> Result<Option<PileValue>, std::io::Error> {
-		self.inner.field(name).await
+	async fn field(
+		&self,
+		name: &pile_config::Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		self.inner.field(name, args).await
 	}
 
 	#[expect(clippy::unwrap_used)]

crates/pile-value/src/extract/item/pdf/mod.rs

@@ -37,12 +37,16 @@ impl PdfExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for PdfExtractor {
-	async fn field(&self, name: &pile_config::Label) -> Result<Option<PileValue>, std::io::Error> {
-		match name.as_str() {
-			"text" => self.text.field(name).await,
-			"meta" => Ok(Some(PileValue::ObjectExtractor(self.meta.clone()))),
+	async fn field(
+		&self,
+		name: &pile_config::Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		match (name.as_str(), args) {
+			("text", args) => self.text.field(name, args).await,
+			("meta", None) => Ok(Some(PileValue::ObjectExtractor(self.meta.clone()))),
 			#[cfg(feature = "pdfium")]
-			"pages" => Ok(Some(PileValue::ListExtractor(self.pages.clone()))),
+			("pages", None) => Ok(Some(PileValue::ListExtractor(self.pages.clone()))),
 			_ => Ok(None),
 		}
 	}

crates/pile-value/src/extract/item/pdf/pdf_meta.rs

@@ -122,7 +122,14 @@ fn format_date(d: &Date) -> String {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for PdfMetaExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
 		Ok(self.get_inner().await?.get(name).cloned())
 	}
 

crates/pile-value/src/extract/item/pdf/pdf_text.rs

@@ -102,7 +102,15 @@ impl PdfTextExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for PdfTextExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		Ok(self.get_inner().await?.get(name).cloned())
 	}
 

crates/pile-value/src/extract/item/sidecar.rs

@@ -23,12 +23,16 @@ impl SidecarExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for SidecarExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
 		match self
 			.output
 			.get_or_init(|| self.item.sidecar().map(TomlExtractor::new))
 		{
-			Some(x) => Ok(x.field(name).await?),
+			Some(x) => Ok(x.field(name, args).await?),
 			None => Ok(Some(PileValue::Null)),
 		}
 	}

crates/pile-value/src/extract/item/toml.rs

@@ -68,7 +68,15 @@ impl TomlExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for TomlExtractor {
-	async fn field(&self, name: &Label) -> Result<Option<PileValue>, std::io::Error> {
+	async fn field(
+		&self,
+		name: &Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		if args.is_some() {
+			return Ok(None);
+		}
+
 		Ok(self.get_inner().await?.get(name).cloned())
 	}