Nomad changes

docs/snippets/rust/plugins/plugin_extractor.md

@@ -0,0 +1,53 @@
+```rust title="Rust"
+use kreuzberg::plugins::{DocumentExtractor, Plugin};
+use kreuzberg::{Result, ExtractionResult, ExtractionConfig, Metadata};
+use async_trait::async_trait;
+use std::path::Path;
+
+struct CustomJsonExtractor;
+
+impl Plugin for CustomJsonExtractor {
+    fn name(&self) -> &str { "custom-json-extractor" }
+    fn version(&self) -> String { "1.0.0".to_string() }
+    fn initialize(&self) -> Result<()> { Ok(()) }
+    fn shutdown(&self) -> Result<()> { Ok(()) }
+}
+
+#[async_trait]
+impl DocumentExtractor for CustomJsonExtractor {
+    async fn extract_bytes(
+        &self,
+        content: &[u8],
+        _mime_type: &str,
+        _config: &ExtractionConfig,
+    ) -> Result<ExtractionResult> {
+        let json: serde_json::Value = serde_json::from_slice(content)?;
+        let text = extract_text_from_json(&json);
+
+        Ok(ExtractionResult {
+            content: text,
+            mime_type: "application/json".to_string(),
+            metadata: Metadata::default(),
+            tables: vec![],
+            detected_languages: None,
+            chunks: None,
+            images: None,
+        })
+    }
+
+    fn supported_mime_types(&self) -> &[&str] {
+        &["application/json", "text/json"]
+    }
+
+    fn priority(&self) -> i32 { 50 }
+}
+
+fn extract_text_from_json(value: &serde_json::Value) -> String {
+    match value {
+        serde_json::Value::String(s) => format!("{}\n", s),
+        serde_json::Value::Array(arr) => arr.iter().map(extract_text_from_json).collect(),
+        serde_json::Value::Object(obj) => obj.values().map(extract_text_from_json).collect(),
+        _ => String::new(),
+    }
+}
+```