feat(pbxproj): generate md5 hash

Author: kkharji

Cargo.toml

@@ -23,11 +23,13 @@ pest                  = { version  = "2.1.3", features = ["pretty-print", "serde
 pest_derive           = "2.1.0"
 pest_consume          = "1.1.1"
 paste = "1.0.7"
-uuid = { version = "1.1.1", features = ["fast-rng", "v4"] }
 enum_dispatch = "0.3.8"
 enum-as-inner = "0.5.0"
 derive_is_enum_variant = "0.1.1"
 enum_variant_macros = "0.2.0"
+md-5 = "0.10.1"
+rand = "0.8.5"
+base16ct = "0.1.1"
 
 [dev-dependencies]
 tracing-test = "0.2.1"

src/pbxproj/object/collection.rs

@@ -1,3 +1,5 @@
+use md5::Digest;
+
 use super::*;
 use std::{
     cell::RefCell,
@@ -12,15 +14,23 @@ pub type WeakPBXObjectCollection = Weak<RefCell<PBXObjectCollection>>;
 #[derive(Default, Debug, derive_new::new, derive_deref_rs::Deref)]
 pub struct PBXObjectCollection(pub(crate) HashMap<String, PBXObject>);
 
+use rand::distributions::Alphanumeric;
+use rand::{thread_rng, Rng};
+
 /// TODO: make collections a HashSet of PBXObject with identifier included?
 impl PBXObjectCollection {
-    pub(crate) fn set_inner(&mut self, map: HashMap<String, PBXObject>) {
-        self.0 = map;
-    }
-
     /// Add new object. same as insert but it auto create id and returns it
     pub fn push<O: Into<PBXObject>>(&mut self, object: O) -> String {
-        let id = uuid::Uuid::new_v4().to_string();
+        let data: String = thread_rng()
+            .sample_iter(&Alphanumeric)
+            .take(20)
+            .map(char::from)
+            .collect();
+        let mut hasher = md5::Md5::new();
+        let ref mut buf = [0u8; 128];
+        hasher.update(&data);
+        let hash = hasher.finalize();
+        let id = base16ct::upper::encode_str(&hash, buf).unwrap()[..24].to_string();
         self.insert(id.clone(), object.into());
         id
     }
@@ -176,4 +186,8 @@ impl PBXObjectCollection {
                     .unwrap_or_default()
             })
     }
+
+    pub(crate) fn set_inner(&mut self, map: HashMap<String, PBXObject>) {
+        self.0 = map;
+    }
 }

src/pbxproj/object/project.rs

@@ -456,6 +456,7 @@ mod tests {
             "new package should be added to project"
         );
         let objects = objects.borrow();
+        println!("{:#?}", objects.build_files());
         assert_eq!(
             new_package,
             objects.swift_package_references().first().unwrap().1,