move rbxassetid into lib

lib/rbxassetid/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "rbxassetid"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+url = "2.5.4"

lib/rbxassetid/src/lib.rs

@@ -0,0 +1,35 @@
+#[derive(Clone,Copy,Debug,Hash,Eq,PartialEq)]
+pub struct RobloxAssetId(pub u64);
+#[derive(Debug)]
+pub enum RobloxAssetIdParseErr{
+	Url(url::ParseError),
+	UnknownScheme,
+	ParseInt(std::num::ParseIntError),
+	MissingAssetId,
+	MissingIDQueryParam,
+}
+impl std::fmt::Display for RobloxAssetIdParseErr{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for RobloxAssetIdParseErr{}
+impl std::str::FromStr for RobloxAssetId{
+	type Err=RobloxAssetIdParseErr;
+	fn from_str(s:&str)->Result<Self,Self::Err>{
+		let url=url::Url::parse(s).map_err(RobloxAssetIdParseErr::Url)?;
+		let parsed_asset_id=match url.scheme(){
+			"rbxassetid"=>url.domain().ok_or(RobloxAssetIdParseErr::MissingAssetId)?.parse(),
+			"http"|"https"=>{
+				let (_,asset_id)=url.query_pairs()
+				.find(|(id,_)|match id.as_ref(){
+					"ID"|"id"|"Id"|"iD"=>true,
+					_=>false,
+				}).ok_or(RobloxAssetIdParseErr::MissingIDQueryParam)?;
+				asset_id.parse()
+			},
+			_=>Err(RobloxAssetIdParseErr::UnknownScheme)?,
+		};
+		Ok(Self(parsed_asset_id.map_err(RobloxAssetIdParseErr::ParseInt)?))
+	}
+}