CVRF: 处理 documentpublisher

Signed-off-by: Jia Chao <jiac13@chinaunicom.cn>

src/lib.rs

@@ -122,6 +122,7 @@ impl CVRF {
                 Ok(XmlEvent::StartElement { ref name, .. }) => match name.local_name.as_str() {
                     "DocumentTitle" => self.documenttitle = xmlreader.next_characters(),
                     "DocumentType" => self.documenttype = xmlreader.next_characters(),
+                    "DocumentPublisher" => self.handle_publisher(&mut xmlreader),
                     _ => {}
                 },
                 Err(e) => {
@@ -134,6 +135,10 @@ impl CVRF {
 
         Ok(())
     }
+
+    fn handle_publisher(&mut self, xmlreader: &mut XmlReader) {
+        self.documentpublisher.load_from_xmlreader(xmlreader);
+    }
 }
 
 // depth = 2
@@ -157,6 +162,39 @@ impl Publisher {
             issuingauthority: String::new(),
         }
     }
+
+    #[instrument(skip(self, xmlreader))]
+    fn load_from_xmlreader(&mut self, xmlreader: &mut XmlReader) {
+        let mut key = String::new();
+
+        loop {
+            match xmlreader.next() {
+                Ok(XmlEvent::StartElement { name, .. }) => {
+                    key = name.local_name.clone();
+                    debug!("Find StartElement named: {}", key);
+                }
+                Ok(XmlEvent::EndElement { .. }) => {
+                    // DocumentPublisher 读取完毕
+                    if xmlreader.depth < 2 {
+                        trace!("DocumentPublisher read to end.");
+                        break;
+                    }
+                }
+                Err(e) => {
+                    error!("XmlReader Error: {e}");
+                    break;
+                }
+                _ => {}
+            }
+
+            match key.as_str() {
+                "ContactDetails" => self.contactdetails = xmlreader.next_characters(),
+                "IssuingAuthority" => self.issuingauthority = xmlreader.next_characters(),
+                _ => {},
+            }
+            key.clear();
+        }
+    }
 }
 
 // depth = 2

src/test.rs

@@ -9,4 +9,10 @@ fn cvrf_works() {
     let d_type = "Security Advisory";
     assert_eq!(cvrf.documenttitle, d_title);
     assert_eq!(cvrf.documenttype, d_type);
+
+    // publisher
+    let contactdetails = "openeuler-security@openeuler.org";
+    let issuingauthority = "openEuler security committee";
+    assert_eq!(cvrf.documentpublisher.contactdetails, contactdetails);
+    assert_eq!(cvrf.documentpublisher.issuingauthority, issuingauthority);
 }