Optimize raw_line field

src/data_format/legacy.rs

@@ -37,7 +37,7 @@ struct NetworkFilterLegacySerializeFmt<'a> {
     csp: &'a Option<String>,
     bug: &'a Option<u32>,
     tag: &'a Option<String>,
-    raw_line: &'a Option<String>,
+    raw_line: Option<String>,
     id: &'a crate::utils::Hash,
     _fuzzy_signature: Option<Vec<crate::utils::Hash>>,
     opt_domains_union: &'a Option<crate::utils::Hash>,
@@ -59,7 +59,7 @@ impl<'a, T> From<&'a T> for NetworkFilterLegacySerializeFmt<'a> where T: std::bo
             csp: &v.csp,
             bug: &v.bug,
             tag: &v.tag,
-            raw_line: &v.raw_line,
+            raw_line: v.raw_line.as_ref().map(|raw| *raw.clone()),
             id: &v.id,
             _fuzzy_signature: None,
             opt_domains_union: &v.opt_domains_union,
@@ -191,7 +191,7 @@ impl From<NetworkFilterLegacyDeserializeFmt> for NetworkFilter {
             csp: v.csp,
             bug: v.bug,
             tag: v.tag,
-            raw_line: v.raw_line,
+            raw_line: v.raw_line.map(|raw| Box::new(raw)),
             id: v.id,
             opt_domains_union: v.opt_domains_union,
             opt_not_domains_union: v.opt_not_domains_union,

src/filters/cosmetic.rs

@@ -48,7 +48,7 @@ pub struct CosmeticFilter {
     pub mask: CosmeticFilterMask,
     pub not_entities: Option<Vec<Hash>>,
     pub not_hostnames: Option<Vec<Hash>>,
-    pub raw_line: Option<String>,
+    pub raw_line: Option<Box<String>>,
     pub selector: String,
     pub key: Option<String>,
     pub style: Option<String>,
@@ -303,7 +303,7 @@ impl CosmeticFilter {
                 not_entities,
                 not_hostnames,
                 raw_line: if debug {
-                    Some(String::from(line))
+                    Some(Box::new(String::from(line)))
                 } else {
                     None
                 },

src/filters/network.rs

@@ -482,7 +482,7 @@ pub struct NetworkFilter {
     pub bug: Option<u32>,
     pub tag: Option<String>,
 
-    pub raw_line: Option<String>,
+    pub raw_line: Option<Box<String>>,
 
     pub id: Hash,
 
@@ -862,7 +862,7 @@ impl NetworkFilter {
             opt_not_domains,
             tag,
             raw_line: if debug {
-                Some(String::from(line))
+                Some(Box::new(String::from(line)))
             } else {
                 None
             },
@@ -2571,7 +2571,8 @@ mod parse_tests {
     fn parses_hosts_style() {
         {
             let filter = NetworkFilter::parse_hosts_style("example.com", true).unwrap();
-            assert_eq!(filter.raw_line, Some("||example.com^".to_string()));
+            assert!(filter.raw_line.is_some());
+            assert_eq!(*filter.raw_line.clone().unwrap(), "||example.com^".to_string());
             let mut defaults = default_network_filter_breakdown();
             defaults.hostname = Some("example.com".to_string());
             defaults.is_plain = true;
@@ -2582,7 +2583,8 @@ mod parse_tests {
         }
         {
             let filter = NetworkFilter::parse_hosts_style("www.example.com", true).unwrap();
-            assert_eq!(filter.raw_line, Some("||example.com^".to_string()));
+            assert!(filter.raw_line.is_some());
+            assert_eq!(*filter.raw_line.clone().unwrap(), "||example.com^".to_string());
             let mut defaults = default_network_filter_breakdown();
             defaults.hostname = Some("example.com".to_string());
             defaults.is_plain = true;
@@ -2593,7 +2595,8 @@ mod parse_tests {
         }
         {
             let filter = NetworkFilter::parse_hosts_style("malware.example.com", true).unwrap();
-            assert_eq!(filter.raw_line, Some("||malware.example.com^".to_string()));
+            assert!(filter.raw_line.is_some());
+            assert_eq!(*filter.raw_line.clone().unwrap(), "||malware.example.com^".to_string());
             let mut defaults = default_network_filter_breakdown();
             defaults.hostname = Some("malware.example.com".to_string());
             defaults.is_plain = true;

src/lists.rs

@@ -164,7 +164,7 @@ impl FilterSet {
         let mut filters_used = vec![];
 
         self.network_filters.into_iter().for_each(|filter| {
-            let original_rule = filter.raw_line.clone().expect("All rules should be in debug mode");
+            let original_rule = *filter.raw_line.clone().expect("All rules should be in debug mode");
             if let Ok(equivalent) = TryInto::<content_blocking::CbRuleEquivalent>::try_into(filter) {
                 filters_used.push(original_rule);
                 equivalent.into_iter().for_each(|cb_rule| {
@@ -179,7 +179,7 @@ impl FilterSet {
         let add_fp_document_exception = !filters_used.is_empty();
 
         self.cosmetic_filters.into_iter().for_each(|filter| {
-            let original_rule = filter.raw_line.clone().expect("All rules should be in debug mode");
+            let original_rule = *filter.raw_line.clone().expect("All rules should be in debug mode");
             if let Ok(cb_rule) = TryInto::<content_blocking::CbRule>::try_into(filter) {
                 filters_used.push(original_rule);
                 match &cb_rule.action.typ {

src/optimizer.rs

@@ -106,11 +106,11 @@ impl Optimization for SimplePatternGroup {
         filter.mask.set(NetworkFilterMask::IS_COMPLETE_REGEX, is_complete_regex);
 
         if base_filter.raw_line.is_some() {
-            filter.raw_line = Some(
+            filter.raw_line = Some(Box::new(
                 filters
                     .iter()
                     .flat_map(|f| f.raw_line.clone())
-                    .join(" <+> "),
+                    .join(" <+> ")),
             )
         }
 
@@ -170,11 +170,11 @@ impl Optimization for UnionDomainGroup {
 
 
         if base_filter.raw_line.is_some() {
-            filter.raw_line = Some(
+            filter.raw_line = Some(Box::new(
                 filters
                     .iter()
                     .flat_map(|f| f.raw_line.clone())
-                    .join(" <+> "),
+                    .join(" <+> ")),
             )
         }
 

tests/hashing_test.rs

@@ -32,7 +32,7 @@ fn check_rule_ids_no_collisions() {
 
     for filter in network_filters {
         let id = filter.get_id();
-        let rule = filter.raw_line.unwrap_or_default();
+        let rule = *filter.raw_line.unwrap_or_default();
         let existing_rule = filter_ids.get(&id);
         assert!(existing_rule.is_none() || existing_rule.unwrap() == &rule, "ID {} for {} already present from {}", id, rule, existing_rule.unwrap());
         filter_ids.insert(id, rule);