use local repo

Cargo.lock

@@ -1171,8 +1171,6 @@ dependencies = [
 [[package]]
 name = "rbx_binary"
 version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad50c13afe91296dad6508ea7e29f4b665fa56cb664ad01eaf8fdbd3da69d5e1"
 dependencies = [
  "log",
  "lz4",
@@ -1186,8 +1184,6 @@ dependencies = [
 [[package]]
 name = "rbx_dom_weak"
 version = "2.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843a2e0e1446623625943f7228d9d4b5cf3883017e3964733600682506864b34"
 dependencies = [
  "rbx_types",
  "serde",
@@ -1196,8 +1192,6 @@ dependencies = [
 [[package]]
 name = "rbx_reflection"
 version = "4.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41e762dfca3217d2d37da631de2fa0d1616edaa61a0a2633263d5d3305baf8c3"
 dependencies = [
  "rbx_types",
  "serde",
@@ -1207,8 +1201,6 @@ dependencies = [
 [[package]]
 name = "rbx_reflection_database"
 version = "0.2.9+roblox-596"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b18f088a2b4aa66324ec97b5b6ffacb53188aef19f3497d95d6a1d1dbb28e66"
 dependencies = [
  "lazy_static",
  "rbx_reflection",
@@ -1219,8 +1211,6 @@ dependencies = [
 [[package]]
 name = "rbx_types"
 version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a991523e3ad5f43a4d121cb4a1e5bc23f7826bb4a1db5aa51e94f1073150ec"
 dependencies = [
  "base64 0.13.1",
  "bitflags 1.3.2",
@@ -1234,8 +1224,6 @@ dependencies = [
 [[package]]
 name = "rbx_xml"
 version = "0.13.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc87343301303ff0510903fb7eb3dbd1c75bdb6ab780fea6091bdc3f58b5829f"
 dependencies = [
  "base64 0.13.1",
  "log",

Cargo.toml

@@ -15,10 +15,10 @@ git2 = "0.18.1"
 lazy-regex = "3.1.0"
 pollster = "0.3.0"
 rayon = "1.8.0"
-rbx_binary = "0.7.1"
-rbx_dom_weak = "2.5.0"
-rbx_reflection_database = "0.2.7"
-rbx_xml = "0.13.1"
+rbx_binary = { path = "../rbx-dom/rbx_binary"}
+rbx_dom_weak = { path = "../rbx-dom/rbx_dom_weak"}
+rbx_reflection_database = { path = "../rbx-dom/rbx_reflection_database"}
+rbx_xml = { path = "../rbx-dom/rbx_xml"}
 reqwest = { version = "0.11.23", features = ["cookies", "json"] }
 serde = { version = "1.0.195", features = ["derive"] }
 serde_json = "1.0.111"

src/main.rs

@@ -3,6 +3,7 @@ use clap::{Args,Parser,Subcommand};
 use anyhow::Result as AResult;
 use futures::StreamExt;
 use rbx_dom_weak::types::Ref;
+use tokio::io::AsyncReadExt;
 
 type AssetID=u64;
 type AssetIDFileMap=Vec<(AssetID,std::path::PathBuf)>;
@@ -118,7 +119,7 @@ async fn main()->AResult<()>{
 			(None,Some(env_var),None)=>Some(Cookie::Environment(env_var)),
 			(None,None,Some(path))=>Some(Cookie::File(path)),
 			(None,None,None)=>None,
-			_=>return Err(anyhow::Error::msg("Cookie was specified multiple times.")),
+			_=>Err(anyhow::Error::msg("Cookie was specified multiple times."))?,
 		}
 	};
 	let cookie=match cookie_enum{
@@ -142,7 +143,7 @@ async fn main()->AResult<()>{
 		|Some("RoxRojo")
 		|Some("RojoRox")=>Some(DecompileStyle::RoxRojo),
 		None=>None,
-		_=>return Err(anyhow::Error::msg("Invalid style")),
+		_=>Err(anyhow::Error::msg("Invalid style"))?,
 	};
 
 	match cli.command{
@@ -163,7 +164,12 @@ async fn main()->AResult<()>{
 			}).collect()
 		).await,
 		Commands::Upload=>upload_list(cookie.unwrap(),cli.group,vec![(cli.asset_id.unwrap(),cli.output.unwrap())]).await,
-		Commands::Compile=>compile(cli.input.unwrap(),cli.output.unwrap()),
+		Commands::Compile=>compile(CompileConfig{
+			input_folder:cli.input.unwrap(),
+			output_file:cli.output.unwrap(),
+			template:None,
+			style:None,
+		}).await,
 		Commands::Decompile=>decompile(DecompileConfig{
 			style:decompile_style.unwrap(),
 			input_file:cli.input.unwrap(),
@@ -250,7 +256,7 @@ async fn upload_list(cookie:String,group:Option<u64>,asset_id_file_map:AssetIDFi
 					.body(body)
 					.send().await?;
 				}else{
-					return Err(anyhow::Error::msg("Roblox returned 403 with no CSRF"));
+					Err(anyhow::Error::msg("Roblox returned 403 with no CSRF"))?;
 				}
 			}
 
@@ -389,7 +395,7 @@ async fn download_history(mut config:DownloadHistoryConfig)->AResult<()>{
 		match std::fs::File::open(versions_path){
 			Ok(versions_file)=>asset_list.append(&mut serde_json::from_reader(versions_file)?),
 			Err(e)=>match e.kind(){
-				std::io::ErrorKind::NotFound=>return Err(anyhow::Error::msg("Cannot continue from versions.json - file does not exist")),
+				std::io::ErrorKind::NotFound=>Err(anyhow::Error::msg("Cannot continue from versions.json - file does not exist"))?,
 				_=>Err(e)?,
 			}
 		}
@@ -568,12 +574,12 @@ enum WriteStackInstruction<'a>{
 #[derive(Default)]
 struct PropertiesOverride{
 	name:Option<String>,
-	class_name:Option<String>,
+	class:Option<String>,
 }
 impl PropertiesOverride{
 	fn is_some(&self)->bool{
 		self.name.is_some()
-		||self.class_name.is_some()
+		||self.class.is_some()
 	}
 }
 impl std::fmt::Display for PropertiesOverride{
@@ -581,15 +587,15 @@ impl std::fmt::Display for PropertiesOverride{
 		if let Some(name)=self.name.as_deref(){
 			writeln!(f,"--!Properties.Name = \"{}\"",name)?;
 		}
-		if let Some(class_name)=self.class_name.as_deref(){
-			writeln!(f,"--! Properties.ClassName=\"{}\"",class_name)?;
+		if let Some(class)=self.class.as_deref(){
+			writeln!(f,"--!Properties.ClassName = \"{}\"",class)?;
 		}
 		Ok(())
 	}
 }
 
 fn sanitize<'a>(s:&'a str)->std::borrow::Cow<'a,str>{
-	lazy_regex::regex!(r"[^a-zA-Z0-9._-]").replace_all(s,"_")
+	lazy_regex::regex!(r"[^A-z0-9.-]").replace_all(s,"_")
 }
 
 fn write_item(dom:&rbx_dom_weak::WeakDom,mut file:std::path::PathBuf,node:&TreeNode,node_name_override:String,mut properties:PropertiesOverride,style:DecompileStyle,write_models:bool,write_scripts:bool)->AResult<()>{
@@ -605,21 +611,21 @@ fn write_item(dom:&rbx_dom_weak::WeakDom,mut file:std::path::PathBuf,node:&TreeN
 			match style{
 				DecompileStyle::Rox=>assert!(file.set_extension("lua"),"could not set extension"),
 				DecompileStyle::RoxRojo|DecompileStyle::Rojo=>{
-					match properties.class_name.as_deref(){
+					match properties.class.as_deref(){
 						Some("LocalScript")=>{
 							file.set_extension("client.lua");
-							properties.class_name=None;
+							properties.class=None;
 						},
 						Some("Script")=>{
 							file.set_extension("server.lua");
-							properties.class_name=None;
+							properties.class=None;
 						},
 						// Some("ModuleScript")=>{
 						// 	file.set_extension("module");
-						// 	properties.class_name=None;
+						// 	properties.class=None;
 						// },
 						None=>assert!(file.set_extension("lua"),"could not set extension"),
-						Some(other)=>return Err(anyhow::Error::msg(format!("Attempt to write a {} as a script",other))),
+						Some(other)=>Err(anyhow::Error::msg(format!("Attempt to write a {} as a script",other)))?,
 					}
 				}
 			}
@@ -659,7 +665,7 @@ fn generate_decompiled_context<R:Read>(input:R)->AResult<DecompiledContext>{
 
 	let mut tree_refs=std::collections::HashMap::new();
 	tree_refs.insert(dom.root_ref(),TreeNode::new(
-		"src".to_string(),
+		"src".to_owned(),
 		dom.root_ref(),
 		Ref::none(),
 		Class::Folder
@@ -778,8 +784,8 @@ async fn write_files(config:WriteConfig,mut context:DecompiledContext)->AResult<
 				match node.class{
 					Class::Folder=>(),
 					Class::ModuleScript=>(),//.lua files are ModuleScript by default
-					Class::LocalScript=>properties.class_name=Some("LocalScript".to_string()),
-					Class::Script=>properties.class_name=Some("Script".to_string()),
+					Class::LocalScript=>properties.class=Some("LocalScript".to_owned()),
+					Class::Script=>properties.class=Some("Script".to_owned()),
 					Class::Model=>(),
 				}
 				let name_override=if 0<name_count{
@@ -1080,6 +1086,449 @@ async fn download_and_decompile_history_into_git(config:DownloadAndDecompileHist
 	Ok(())
 }
 
-fn compile(_folder:std::path::PathBuf,_file:std::path::PathBuf)->AResult<()>{
+//holy smokes what am I doing lmao
+//This giant machine is supposed to search for files according to style rules
+//e.g. ScriptName.server.lua or init.lua
+//Obviously I got carried away
+//I could use an enum!
+//I could use a struct!
+//I could use a trait!
+//I could use an error!
+//I could use a match!
+//I could use a function!
+//eventually:
+#[derive(Debug)]
+enum QueryResolveError{
+	NotFound,//0 results
+	Ambiguous,//>1 results
+	JoinError(tokio::task::JoinError),
+	IO(std::io::Error),
+}
+impl std::fmt::Display for QueryResolveError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for QueryResolveError{}
+
+async fn get_file_async(mut path:std::path::PathBuf,file_name:impl AsRef<std::path::Path>)->Result<tokio::fs::File,QueryResolveError>{
+	path.push(file_name);
+	match tokio::fs::File::open(path).await{
+		Ok(file)=>Ok(file),
+		Err(e)=>match e.kind(){
+			std::io::ErrorKind::NotFound=>Err(QueryResolveError::NotFound),
+			_=>Err(QueryResolveError::IO(e)),
+		},
+	}
+}
+type QueryHintResult=Result<FileHint,QueryResolveError>;
+trait Query{
+	async fn resolve(self)->QueryHintResult;
+}
+struct QuerySingle(tokio::task::JoinHandle<Result<tokio::fs::File,QueryResolveError>>);
+impl QuerySingle{
+	fn rox(search_path:&std::path::PathBuf,search_name:&str)->Self{
+		Self(tokio::spawn(get_file_async(search_path.clone(),format!("{}.lua",search_name))))
+	}
+}
+impl Query for QuerySingle{
+	async fn resolve(self)->QueryHintResult{
+		match self.0.await{
+			Ok(Ok(file))=>Ok(FileHint{file,hint:ScriptHint::Undetermined}),
+			Ok(Err(e))=>Err(e),
+			Err(e)=>Err(QueryResolveError::JoinError(e)),
+		}
+	}
+}
+struct QueryTriple{
+	module:QuerySingle,
+	server:QuerySingle,
+	client:QuerySingle,
+}
+impl QueryTriple{
+	fn rox_rojo(search_path:&std::path::PathBuf,search_name:&str,search_module:bool)->Self{
+		//this should be implemented as constructors of Triplet and Quadruplet to fully support Trey's suggestion
+		let module_name=if search_module{
+			format!("{}.module.lua",search_name)
+		}else{
+			format!("{}.lua",search_name)
+		};
+		Self{
+			module:QuerySingle(tokio::spawn(get_file_async(search_path.clone(),module_name))),
+			server:QuerySingle(tokio::spawn(get_file_async(search_path.clone(),format!("{}.server.lua",search_name)))),
+			client:QuerySingle(tokio::spawn(get_file_async(search_path.clone(),format!("{}.client.lua",search_name)))),
+		}
+	}
+	fn rojo(search_path:&std::path::PathBuf)->Self{
+		QueryTriple::rox_rojo(search_path,"init",false)
+	}
+}
+//these functions can be achieved with macros, but I have not learned that yet
+fn mega_triple_join(query_triplet:(QueryHintResult,QueryHintResult,QueryHintResult))->QueryHintResult{
+	match query_triplet{
+		//unambiguously locate file
+		(Ok(f),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Ok(f),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(f))=>Ok(f),
+		//multiple files located
+		(Ok(_),Ok(_),Err(QueryResolveError::NotFound))
+		|(Ok(_),Err(QueryResolveError::NotFound),Ok(_))
+		|(Err(QueryResolveError::NotFound),Ok(_),Ok(_))
+		|(Ok(_),Ok(_),Ok(_))=>Err(QueryResolveError::Ambiguous),
+		//no files located
+		(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))=>Err(QueryResolveError::NotFound),
+		//other error
+		(Err(e),_,_)
+		|(_,Err(e),_)
+		|(_,_,Err(e))=>Err(e),
+	}
+}
+//LETS GOOOOOOOOOOOOOOOO
+fn mega_quadruple_join(query_quad:(QueryHintResult,QueryHintResult,QueryHintResult,QueryHintResult))->QueryHintResult{
+	match query_quad{
+		//unambiguously locate file
+		(Ok(f),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Ok(f),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(f),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(f))=>Ok(f),
+		//multiple files located
+		(Ok(_),Ok(_),Ok(_),Err(QueryResolveError::NotFound))
+		|(Ok(_),Ok(_),Err(QueryResolveError::NotFound),Ok(_))
+		|(Ok(_),Ok(_),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))
+		|(Ok(_),Err(QueryResolveError::NotFound),Ok(_),Ok(_))
+		|(Ok(_),Err(QueryResolveError::NotFound),Ok(_),Err(QueryResolveError::NotFound))
+		|(Ok(_),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(_))
+		|(Err(QueryResolveError::NotFound),Ok(_),Ok(_),Ok(_))
+		|(Err(QueryResolveError::NotFound),Ok(_),Ok(_),Err(QueryResolveError::NotFound))
+		|(Err(QueryResolveError::NotFound),Ok(_),Err(QueryResolveError::NotFound),Ok(_))
+		|(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Ok(_),Ok(_))
+		|(Ok(_),Ok(_),Ok(_),Ok(_))=>Err(QueryResolveError::Ambiguous),
+		//no files located
+		(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))=>Err(QueryResolveError::NotFound),
+		//other error
+		(Err(e),_,_,_)
+		|(_,Err(e),_,_)
+		|(_,_,Err(e),_)
+		|(_,_,_,Err(e))=>Err(e),
+	}
+}
+impl Query for QueryTriple{
+	async fn resolve(self)->QueryHintResult{
+		let (module,server,client)=tokio::join!(self.module.0,self.server.0,self.client.0);
+		mega_triple_join((
+			module.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::ModuleScript}),
+			server.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::Script}),
+			client.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::LocalScript}),
+		))
+	}
+}
+struct QueryQuad{
+	module_implicit:QuerySingle,
+	module_explicit:QuerySingle,
+	server:QuerySingle,
+	client:QuerySingle,
+}
+impl QueryQuad{
+	fn rox_rojo(search_path:&std::path::PathBuf,search_name:&str)->Self{
+		let fill=QueryTriple::rox_rojo(search_path,search_name,true);
+		Self{
+			module_implicit:QuerySingle::rox(search_path,search_name),//Script.lua
+			module_explicit:fill.module,//Script.module.lua
+			server:fill.server,
+			client:fill.client,
+		}
+	}
+}
+impl Query for QueryQuad{
+	async fn resolve(self)->QueryHintResult{
+		let (module_implicit,module_explicit,server,client)=tokio::join!(self.module_implicit.0,self.module_explicit.0,self.server.0,self.client.0);
+		mega_quadruple_join((
+			module_implicit.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::ModuleScript}),
+			module_explicit.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::ModuleScript}),
+			server.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::Script}),
+			client.map_err(|e|QueryResolveError::JoinError(e))?.map(|file|FileHint{file,hint:ScriptHint::LocalScript}),
+		))
+	}
+}
+
+struct ScriptWithOverrides{
+	overrides:PropertiesOverride,
+	source:String,
+}
+
+fn extract_script_overrides(mut source:String)->AResult<ScriptWithOverrides>{
+	let mut overrides=PropertiesOverride::default();
+	let mut count=0;
+	for line in source.lines(){
+		//only string type properties are supported atm
+		if let Some(captures)=lazy_regex::regex!(r#"^\-\-\!\s*Properties\.([A-z]\w*)\s*\=\s*"(\w+)"$"#)
+		.captures(line){
+			count+=line.len();
+			match &captures[1]{
+				"Name"=>overrides.name=Some(captures[2].to_owned()),
+				"ClassName"=>overrides.class=Some(captures[2].to_owned()),
+				other=>Err(anyhow::Error::msg(format!("Unimplemented property {other}")))?,
+			}
+		}else{
+			break;
+		}
+	}
+	Ok(ScriptWithOverrides{overrides,source:source.split_off(count)})
+}
+
+async fn script_node(search_name:&str,mut file:tokio::fs::File,hint:ScriptHint)->AResult<CompileNode>{
+	//read entire file
+	let mut buf=String::new();
+	file.read_to_string(&mut buf).await?;
+	//regex script according to Properties lines at the top
+	let script_with_overrides=extract_script_overrides(buf)?;
+	//script
+	Ok(CompileNode{
+		name:script_with_overrides.overrides.name.unwrap_or_else(||search_name.to_owned()),
+		class:match (script_with_overrides.overrides.class.as_deref(),hint){
+			(Some("ModuleScript"),_)
+			|(None,ScriptHint::ModuleScript|ScriptHint::Undetermined)=>CompileClass::ModuleScript(script_with_overrides.source),
+			(Some("LocalScript"),_)
+			|(None,ScriptHint::Script)=>CompileClass::LocalScript(script_with_overrides.source),
+			(Some("Script"),_)
+			|(None,ScriptHint::LocalScript)=>CompileClass::Script(script_with_overrides.source),
+			other=>Err(anyhow::Error::msg(format!("Invalid hint or class {other:?}")))?,
+		},
+	})
+}
+
+async fn model_node(search_name:&str,mut file:tokio::fs::File)->AResult<CompileNode>{
+	//read entire file
+	let mut buf=Vec::new();
+	file.read_to_end(&mut buf).await?;
+	//model
+	Ok(CompileNode{
+		name:search_name.to_owned(),
+		class:CompileClass::Model(buf),
+	})
+}
+
+async fn discern_node(entry:&tokio::fs::DirEntry,style:Option<DecompileStyle>)->AResult<Option<CompileNode>>{
+	let contents_folder=entry.path();
+	let file_name=entry.file_name();
+	//is folder? else exit flow control
+	match tokio::fs::read_dir(contents_folder.as_path()).await{
+		Ok(_)=>(),//continue flow
+		Err(e)=>{println!("{:?}",e.raw_os_error());match e.raw_os_error(){
+			Some(0)//std::io::ErrorKind::NotFound
+			|Some(20)=>return Ok(None),//std::io::ErrorKind::NotADirectory (not allowed to be used but returns it anyways)
+			_=>Err(e)?,
+		}}
+	}
+	let search_name=file_name.to_str().unwrap();
+	//scan inside the folder for an object to define the class of the folder
+	let script_query=async {match style{
+		Some(DecompileStyle::Rox)=>QuerySingle::rox(&contents_folder,search_name).resolve().await,
+		Some(DecompileStyle::RoxRojo)=>QueryQuad::rox_rojo(&contents_folder,search_name).resolve().await,
+		Some(DecompileStyle::Rojo)=>QueryTriple::rojo(&contents_folder).resolve().await,
+		//try all three and complain if there is ambiguity
+		None=>mega_triple_join(tokio::join!(
+			QuerySingle::rox(&contents_folder,search_name).resolve(),
+			//true=search for module here to avoid ambiguity with QuerySingle::rox results
+			QueryTriple::rox_rojo(&contents_folder,search_name,true).resolve(),
+			QueryTriple::rojo(&contents_folder).resolve(),
+		))
+	}};
+	//model files are rox & rox-rojo only, so it's a lot less work...
+	let model_query=get_file_async(contents_folder.clone(),format!("{}.rbxmx",search_name));
+	//model? script? both?
+	Ok(Some(match tokio::join!(script_query,model_query){
+		(Ok(FileHint{file,hint}),Err(QueryResolveError::NotFound))=>script_node(search_name,file,hint).await?,
+		(Err(QueryResolveError::NotFound),Ok(file))=>model_node(search_name,file).await?,
+		(Ok(_),Ok(_))=>Err(QueryResolveError::Ambiguous)?,
+		//neither
+		(Err(QueryResolveError::NotFound),Err(QueryResolveError::NotFound))=>CompileNode{
+			name:search_name.to_owned(),
+			class:CompileClass::Folder,
+		},
+		//other error
+		(Err(e),_)
+		|(_,Err(e))=>Err(e)?
+	}))
+}
+
+
+enum FileDiscernment{
+	Model,
+	Script(ScriptHint),
+}
+
+async fn discern_file(entry:&tokio::fs::DirEntry,style:Option<DecompileStyle>)->AResult<Option<CompileNode>>{
+	let path=entry.path();
+	let file_discernment=match path.extension(){
+		Some(extension)=>match extension.to_str(){
+			Some("lua")=>FileDiscernment::Script(ScriptHint::Undetermined),
+			Some("module.lua")=>FileDiscernment::Script(ScriptHint::ModuleScript),
+			Some("client.lua")=>FileDiscernment::Script(ScriptHint::LocalScript),
+			Some("server.lua")=>FileDiscernment::Script(ScriptHint::Script),
+			Some("rbxmx")=>FileDiscernment::Model,
+			other=>Err(anyhow::Error::msg(format!("Weird file extension: {other:?}")))?,
+		},
+		None=>Err(anyhow::Error::msg("No file extension"))?,
+	};
+	//reject goobers
+	match (style,&file_discernment){
+		(Some(DecompileStyle::Rojo),FileDiscernment::Script(ScriptHint::ModuleScript))
+		|(Some(DecompileStyle::Rojo),FileDiscernment::Model)=>Err(anyhow::Error::msg("Invalid file extension for style"))?,
+		_=>(),
+	}
+	let search_name=path.to_str().unwrap();
+	let file=tokio::fs::File::open(path.as_path()).await?;
+	Ok(Some(match file_discernment{
+		FileDiscernment::Model=>model_node(search_name,file).await?,
+		FileDiscernment::Script(hint)=>script_node(search_name,file,hint).await?,
+	}))
+	
+}
+
+#[derive(Debug)]
+enum ScriptHint{
+	Script,
+	LocalScript,
+	ModuleScript,
+	Undetermined,
+}
+struct FileHint{
+	file:tokio::fs::File,
+	hint:ScriptHint,
+}
+
+enum PreparedData{
+	Model(rbx_dom_weak::WeakDom),
+	Builder(rbx_dom_weak::InstanceBuilder),
+}
+
+enum CompileClass{
+	Folder,
+	Script(String),
+	LocalScript(String),
+	ModuleScript(String),
+	Model(Vec<u8>),
+}
+
+struct CompileNode{
+	name:String,
+	class:CompileClass,
+}
+
+enum CompileStackInstruction{
+	TraverseReferent(rbx_dom_weak::types::Ref),
+	PopFolder,
+}
+
+struct CompileConfig{
+	input_folder:std::path::PathBuf,
+	output_file:std::path::PathBuf,
+	template:Option<std::path::PathBuf>,
+	style:Option<DecompileStyle>,
+}
+
+fn script_builder(class:&str,name:&str,source:String)->rbx_dom_weak::InstanceBuilder{
+	let mut builder=rbx_dom_weak::InstanceBuilder::new(class);
+	builder.set_name(name);
+	builder.add_property("Source",rbx_dom_weak::types::Variant::String(source));
+	builder
+}
+
+async fn compile(config:CompileConfig)->AResult<()>{
+	//basically decompile in reverse order
+	//load template dom
+	let input={
+		let template_path=config.template.unwrap_or_else(||{
+			let mut template_path=config.input_folder.clone();
+			template_path.push("template.rbxlx");
+			template_path
+		});
+		//mr dom doesn't like tokio files
+		std::io::BufReader::new(std::fs::File::open(template_path)?)
+	};
+	let mut dom=load_dom(input)?;
+
+	//add in scripts and models
+	let mut folder=config.input_folder.clone();
+	folder.push("src");
+	let mut stack:Vec<CompileStackInstruction>=dom.get_by_ref(dom.root().children()[0]).unwrap().children().into_iter().map(|&referent|CompileStackInstruction::TraverseReferent(referent)).collect();
+	while let Some(instruction)=stack.pop(){
+		match instruction{
+			CompileStackInstruction::TraverseReferent(item_ref)=>{
+				let sans={
+					let item=dom.get_by_ref(item_ref).ok_or(anyhow::Error::msg("null child ref"))?;
+					sanitize(item.name.as_str()).to_string()
+				};
+				folder.push(sans.as_str());
+				stack.push(CompileStackInstruction::PopFolder);
+				//check if a folder exists with item.name
+				if let Ok(mut dir)=tokio::fs::read_dir(folder.as_path()).await{
+					let mut exist_names=std::collections::HashSet::new();
+					{
+						let item=dom.get_by_ref(item_ref).ok_or(anyhow::Error::msg("null child ref"))?;
+						for &child_ref in item.children(){
+							let child=dom.get_by_ref(child_ref).ok_or(anyhow::Error::msg("null child ref"))?;
+							let child_sans=sanitize(child.name.as_str()).to_string();
+							exist_names.insert(child_sans);
+						}
+					}
+					//generate children from folder contents UNLESS! item already has a child of the same name
+					let mut join_set=tokio::task::JoinSet::new();
+					//I wish I could make the join_next() loop begin processing immediately,
+					//but I don't know an ergonomic way to do that.
+					//this will probably be fine considering there won't be millions of files in the directories
+					while let Some(entry)=dir.next_entry().await?{
+						//cull early even if supporting things with identical names is possible
+						if !exist_names.contains(entry.file_name().to_str().unwrap()){
+							let style=config.style;
+							join_set.spawn(async move{
+								let met=entry.metadata().await?;
+								let scooby_doo=if met.is_dir(){
+									discern_node(&entry,style).await
+								}else{
+									discern_file(&entry,style).await
+								};
+								//discern that bad boy
+								Ok::<_,anyhow::Error>(match scooby_doo?{
+									Some(compile_class)=>{
+										//prepare data structure
+										Some(match compile_class.class{
+											CompileClass::Folder=>PreparedData::Builder(rbx_dom_weak::InstanceBuilder::new("Folder").with_name(compile_class.name.as_str())),
+											CompileClass::Script(source)=>PreparedData::Builder(script_builder("Script",compile_class.name.as_str(),source)),
+											CompileClass::LocalScript(source)=>PreparedData::Builder(script_builder("LocalScript",compile_class.name.as_str(),source)),
+											CompileClass::ModuleScript(source)=>PreparedData::Builder(script_builder("ModuleScript",compile_class.name.as_str(),source)),
+											CompileClass::Model(buf)=>PreparedData::Model(rbx_xml::from_reader_default(std::io::Cursor::new(buf))?),
+										})
+									},
+									None=>None,
+								})
+							});
+						}
+					}
+					//this is only able to begin after dir iterator is exhausted
+					//push child objects onto dom
+					while let Some(goober)=join_set.join_next().await{
+						match goober??{
+							Some(PreparedData::Model(mut model_dom))=>model_dom.transfer(model_dom.root().children()[0],&mut dom,item_ref),
+							Some(PreparedData::Builder(script))=>{dom.insert(item_ref,script);},
+							None=>print!("There was a None"),
+						}
+					}
+					//push dom children objects onto stack
+					let item=dom.get_by_ref(item_ref).ok_or(anyhow::Error::msg("null child ref"))?;
+					stack.extend(item.children().into_iter().map(|&referent|CompileStackInstruction::TraverseReferent(referent)));
+				}
+			},
+			CompileStackInstruction::PopFolder=>assert!(folder.pop(),"pop folder bad"),
+		}
+	}
+
+	let mut output_place=config.output_file.clone();
+	if output_place.extension().is_none()&&tokio::fs::try_exists(output_place.as_path()).await?{
+		output_place.push("place.rbxl");
+	}
+	let output=std::io::BufWriter::new(std::fs::File::create(output_place)?);
+	rbx_binary::to_writer(output,&dom,&[dom.root_ref()])?;
 	Ok(())
 }