PDF support but no open yet cause test fails although there's no apparent issue

bingus/src/doc.rs

@@ -0,0 +1,2 @@
+pub use printpdf::PdfDocument;
+mod pdf;

bingus/src/doc/pdf.rs

@@ -0,0 +1,87 @@
+use printpdf::{Op, PdfDocument, PdfPage, PdfParseOptions, PdfSaveOptions};
+
+use crate::{Bendable, IntoDataBytes, TryFromDataBytes};
+
+impl TryFromDataBytes for PdfDocument {
+    type Error = String;
+    type Format = ();
+
+    fn try_from_data_bytes(
+        bytes: crate::Bytes,
+        _format: Self::Format,
+        _crop: crate::Crop,
+    ) -> Result<Self, Self::Error>
+    where
+        Self: Sized,
+    {
+        PdfDocument::parse(
+            &bytes,
+            &PdfParseOptions {
+                fail_on_error: false,
+            },
+            &mut Vec::new(),
+        )
+    }
+}
+
+impl IntoDataBytes for PdfDocument {
+    fn into_data_bytes(self) -> crate::Bytes {
+        self.save(
+            &PdfSaveOptions {
+                optimize: false,
+                subset_fonts: false,
+                secure: false,
+                image_optimization: None,
+            },
+            &mut Vec::new(),
+        )
+    }
+}
+
+impl Bendable for PdfDocument {
+    type Unit = Op;
+
+    fn map<F: Fn(&Self::Unit) -> Self::Unit + Sync>(self, f: F) -> Self {
+        let PdfDocument {
+            metadata,
+            resources,
+            bookmarks,
+            pages,
+        } = self;
+        PdfDocument {
+            pages: pages
+                .into_iter()
+                .map(|page| PdfPage {
+                    ops: page.ops.into_iter().map(|op| f(&op)).collect::<Vec<Op>>(),
+                    ..page
+                })
+                .collect(),
+            metadata,
+            resources,
+            bookmarks,
+        }
+    }
+
+    fn format() -> crate::Format {
+        crate::Format::Doc
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use pretty_assertions::assert_eq;
+
+    #[test]
+    fn map_integrity() {
+        let original = PdfDocument::parse(
+            include_bytes!("../../../testing material/doc/pdf/basic-text.pdf"),
+            &PdfParseOptions {
+                fail_on_error: true,
+            },
+            &mut Vec::new(),
+        )
+        .unwrap();
+        assert_eq!(original, original.clone().map(|u| u.clone()))
+    }
+}

bingus/src/lib.rs

@@ -1,4 +1,5 @@
 pub mod bin;
+pub mod doc;
 pub mod img;
 pub mod snd;
 pub mod txt;
@@ -20,6 +21,7 @@ mod dynamic {
     };
 
     use infer::MatcherType;
+    use printpdf::PdfDocument;
     use strum::EnumDiscriminants;
     use thiserror::Error;
 
@@ -30,6 +32,7 @@ mod dynamic {
         Binary(Bytes),
         Sound(Audio),
         Text,
+        Doc(PdfDocument),
     }
 
     #[derive(Debug, Error)]