🤷‍♂️

Author: alvinometric

Cargo.lock

@@ -12,3 +12,4 @@ readme = "README.md"
 image = "0.25.5"
 strum_macros = "0.27.1"
 tiff = "0.9.1"
+xml-rs = "0.8.25"

Cargo.toml

@@ -1,18 +1,55 @@
-use crate::ReadUtils;
-use crate::reader::read_iptc_data;
-use crate::tags::IPTCTag;
+use crate::{ReadUtils, tags};
 use std::collections::HashMap;
 use std::error::Error;
 use std::io::Cursor;
-use tiff::decoder::Decoder;
+use tags::IPTCTag;
+use tiff::decoder::{Decoder, DecodingResult};
+use xml::reader::{EventReader, XmlEvent};
 
 pub(crate) struct TIFFReader;
 
 impl TIFFReader {
     pub fn read_iptc(buffer: &Vec<u8>) -> Result<HashMap<IPTCTag, String>, Box<dyn Error>> {
         let cursor = Cursor::new(buffer);
-        let decoder = Decoder::new(cursor);
+        let mut decoder = Decoder::new(cursor)?;
+
+        while let Ok(Some(field)) = decoder.next_field() {
+            if field.tag == 700 {
+                if let DecodingResult::U8(data) = field.data {
+                    return read_xmp_data(&data);
+                }
+            }
+        }
 
         Ok(HashMap::new())
     }
 }
+
+fn read_xmp_data(data: &[u8]) -> Result<HashMap<IPTCTag, String>, Box<dyn Error>> {
+    let parser = EventReader::new(Cursor::new(data));
+    let mut iptc_data = HashMap::new();
+    let mut current_tag: Option<IPTCTag> = None;
+
+    for event in parser {
+        match event? {
+            XmlEvent::StartElement { name, .. } => {
+                current_tag = match name.local_name.as_str() {
+                    "creator" => Some(IPTCTag::ByLine),
+                    "title" => Some(IPTCTag::ByLineTitle),
+                    _ => None,
+                };
+            }
+            XmlEvent::Characters(data) => {
+                if let Some(tag) = &current_tag {
+                    iptc_data.insert(tag.clone(), data);
+                }
+            }
+            XmlEvent::EndElement { .. } => {
+                current_tag = None;
+            }
+            _ => {}
+        }
+    }
+
+    Ok(iptc_data)
+}