Files
rojo/src/snapshot_middleware/project.rs
2025-04-02 11:32:27 -07:00

778 lines
23 KiB
Rust

use std::{borrow::Cow, path::Path};
use anyhow::{bail, Context};
use memofs::Vfs;
use rbx_dom_weak::{
types::{Attributes, Ref},
ustr, HashMapExt as _, Ustr, UstrMap,
};
use rbx_reflection::ClassTag;
use crate::{
project::{PathNode, Project, ProjectNode},
snapshot::{
InstanceContext, InstanceMetadata, InstanceSnapshot, InstigatingSource, PathIgnoreRule,
SyncRule,
},
RojoRef,
};
use super::{emit_legacy_scripts_default, snapshot_from_vfs};
pub fn snapshot_project(
context: &InstanceContext,
vfs: &Vfs,
path: &Path,
name: &str,
) -> anyhow::Result<Option<InstanceSnapshot>> {
let project = Project::load_exact(vfs, path, Some(name))
.with_context(|| format!("File was not a valid Rojo project: {}", path.display()))?;
let project_name = match project.name.as_deref() {
Some(name) => name,
None => panic!("Project is missing a name"),
};
let mut context = context.clone();
context.clear_sync_rules();
let rules = project.glob_ignore_paths.iter().map(|glob| PathIgnoreRule {
glob: glob.clone(),
base_path: project.folder_location().to_path_buf(),
});
let sync_rules = project.sync_rules.iter().map(|rule| SyncRule {
base_path: project.folder_location().to_path_buf(),
..rule.clone()
});
context.add_sync_rules(sync_rules);
context.add_path_ignore_rules(rules);
context.set_emit_legacy_scripts(
project
.emit_legacy_scripts
.or_else(emit_legacy_scripts_default)
.unwrap(),
);
match snapshot_project_node(&context, path, project_name, &project.tree, vfs, None)? {
Some(found_snapshot) => {
let mut snapshot = found_snapshot;
// Setting the instigating source to the project file path is a little
// coarse.
//
// Ideally, we'd only snapshot the project file if the project file
// actually changed. Because Rojo only has the concept of one
// relevant path -> snapshot path mapping per instance, we pick the more
// conservative approach of snapshotting the project file if any
// relevant paths changed.
snapshot.metadata.instigating_source = Some(path.to_path_buf().into());
// Mark this snapshot (the root node of the project file) as being
// related to the project file.
//
// We SHOULD NOT mark the project file as a relevant path for any
// nodes that aren't roots. They'll be updated as part of the project
// file being updated.
snapshot.metadata.relevant_paths.push(path.to_path_buf());
Ok(Some(snapshot))
}
None => Ok(None),
}
}
pub fn snapshot_project_node(
context: &InstanceContext,
project_path: &Path,
instance_name: &str,
node: &ProjectNode,
vfs: &Vfs,
parent_class: Option<&str>,
) -> anyhow::Result<Option<InstanceSnapshot>> {
let project_folder = project_path.parent().unwrap();
let mut class_name_from_path = None;
let name = Cow::Owned(instance_name.to_owned());
let mut properties = UstrMap::new();
let mut children = Vec::new();
let mut metadata = InstanceMetadata::new().context(context);
if let Some(path_node) = &node.path {
let path = path_node.path();
// If the path specified in the project is relative, we assume it's
// relative to the folder that the project is in, project_folder.
let full_path = if path.is_relative() {
Cow::Owned(project_folder.join(path))
} else {
Cow::Borrowed(path)
};
if let Some(snapshot) = snapshot_from_vfs(context, vfs, &full_path)? {
class_name_from_path = Some(snapshot.class_name);
// Properties from the snapshot are pulled in unchanged, and
// overridden by properties set on the project node.
properties.reserve(snapshot.properties.len());
for (key, value) in snapshot.properties.into_iter() {
properties.insert(key, value);
}
// The snapshot's children will be merged with the children defined
// in the project node, if there are any.
children.reserve(snapshot.children.len());
for child in snapshot.children.into_iter() {
children.push(child);
}
// Take the snapshot's metadata as-is, which will be mutated later
// on.
metadata = snapshot.metadata;
}
}
let class_name_from_inference = infer_class_name(&name, parent_class);
let class_name = match (
node.class_name,
class_name_from_path,
class_name_from_inference,
&node.path,
) {
// These are the easy, happy paths!
(Some(project), None, None, _) => project,
(None, Some(path), None, _) => path,
(None, None, Some(inference), _) => inference,
// If the user specifies a class name, but there's an inferred class
// name, we prefer the name listed explicitly by the user.
(Some(project), None, Some(_), _) => project,
// If the user has a $path pointing to a folder and we're able to infer
// a class name, let's use the inferred name. If the path we're pointing
// to isn't a folder, though, that's a user error.
(None, Some(path), Some(inference), _) => {
if path == "Folder" {
inference
} else {
path
}
}
(Some(project), Some(path), _, _) => {
if path == "Folder" {
project
} else {
bail!(
"ClassName for Instance \"{}\" was specified in both the project file (as \"{}\") and from the filesystem (as \"{}\").\n\
If $className and $path are both set, $path must refer to a Folder.
\n\
Project path: {}\n\
Filesystem path: {}\n",
instance_name,
project,
path,
project_path.display(),
node.path.as_ref().unwrap().path().display()
);
}
}
(None, None, None, Some(PathNode::Optional(_))) => {
return Ok(None);
}
(_, None, _, Some(PathNode::Required(path))) => {
anyhow::bail!(
"Rojo project referred to a file using $path that could not be turned into a Roblox Instance by Rojo.\n\
Check that the file exists and is a file type known by Rojo.\n\
\n\
Project path: {}\n\
File $path: {}",
project_path.display(),
path.display(),
);
}
(None, None, None, None) => {
bail!(
"Instance \"{}\" is missing some required information.\n\
One of the following must be true:\n\
- $className must be set to the name of a Roblox class\n\
- $path must be set to a path of an instance\n\
- The instance must be a known service, like ReplicatedStorage\n\
\n\
Project path: {}",
instance_name,
project_path.display(),
);
}
};
for (child_name, child_project_node) in &node.children {
if let Some(child) = snapshot_project_node(
context,
project_path,
child_name,
child_project_node,
vfs,
Some(&class_name),
)? {
children.push(child);
}
}
for (key, unresolved) in &node.properties {
let value = unresolved
.clone()
.resolve(&class_name, key)
.with_context(|| {
format!(
"Unresolvable property in project at path {}",
project_path.display()
)
})?;
match key.as_str() {
"Name" | "Parent" => {
log::warn!(
"Property '{}' cannot be set manually, ignoring. Attempted to set in '{}' at {}",
key,
instance_name,
project_path.display()
);
continue;
}
_ => {}
}
properties.insert(*key, value);
}
if !node.attributes.is_empty() {
let mut attributes = Attributes::new();
for (key, unresolved) in &node.attributes {
let value = unresolved.clone().resolve_unambiguous().with_context(|| {
format!(
"Unresolvable attribute in project at path {}",
project_path.display()
)
})?;
attributes.insert(key.clone(), value);
}
properties.insert("Attributes".into(), attributes.into());
}
// If the user specified $ignoreUnknownInstances, overwrite the existing
// value.
//
// If the user didn't specify it AND $path was not specified (meaning
// there's no existing value we'd be stepping on from a project file or meta
// file), set it to true.
if let Some(ignore) = node.ignore_unknown_instances {
metadata.ignore_unknown_instances = ignore;
} else if node.path.is_none() {
// TODO: Introduce a strict mode where $ignoreUnknownInstances is never
// set implicitly.
metadata.ignore_unknown_instances = true;
}
if let Some(id) = &node.id {
metadata.specified_id = Some(RojoRef::new(id.clone()))
}
metadata.instigating_source = Some(InstigatingSource::ProjectNode(
project_path.to_path_buf(),
instance_name.to_string(),
node.clone(),
parent_class.map(|name| name.to_owned()),
));
Ok(Some(InstanceSnapshot {
snapshot_id: Ref::none(),
name,
class_name,
properties,
children,
metadata,
}))
}
fn infer_class_name(name: &str, parent_class: Option<&str>) -> Option<Ustr> {
// If className wasn't defined from another source, we may be able
// to infer one.
let parent_class = parent_class?;
if parent_class == "DataModel" {
// Members of DataModel with names that match known services are
// probably supposed to be those services.
let descriptor = rbx_reflection_database::get().classes.get(name)?;
if descriptor.tags.contains(&ClassTag::Service) {
return Some(ustr(name));
}
} else if parent_class == "StarterPlayer" {
// StarterPlayer has two special members with their own classes.
if name == "StarterPlayerScripts" || name == "StarterCharacterScripts" {
return Some(ustr(name));
}
} else if parent_class == "Workspace" {
// Workspace has a special Terrain class inside it
if name == "Terrain" {
return Some(ustr(name));
}
}
None
}
// #[cfg(feature = "broken-tests")]
#[cfg(test)]
mod test {
use super::*;
use memofs::{InMemoryFs, VfsSnapshot};
#[ignore = "Functionality moved to root snapshot middleware"]
#[test]
fn project_from_folder() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo",
VfsSnapshot::dir([(
"default.project.json",
VfsSnapshot::file(
r#"
{
"name": "indirect-project",
"tree": {
"$className": "Folder"
}
}
"#,
),
)]),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
#[test]
fn project_from_direct_file() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo",
VfsSnapshot::dir([(
"hello.project.json",
VfsSnapshot::file(
r#"
{
"name": "direct-project",
"tree": {
"$className": "Model"
}
}
"#,
),
)]),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo/hello.project.json"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
#[test]
fn project_with_resolved_properties() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo.project.json",
VfsSnapshot::file(
r#"
{
"name": "resolved-properties",
"tree": {
"$className": "StringValue",
"$properties": {
"Value": {
"String": "Hello, world!"
}
}
}
}
"#,
),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo.project.json"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
#[test]
fn project_with_unresolved_properties() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo.project.json",
VfsSnapshot::file(
r#"
{
"name": "unresolved-properties",
"tree": {
"$className": "StringValue",
"$properties": {
"Value": "Hi!"
}
}
}
"#,
),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo.project.json"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
#[test]
fn project_with_children() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo.project.json",
VfsSnapshot::file(
r#"
{
"name": "children",
"tree": {
"$className": "Folder",
"Child": {
"$className": "Model"
}
}
}
"#,
),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo.project.json"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
#[test]
fn project_with_path_to_txt() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo",
VfsSnapshot::dir([
(
"default.project.json",
VfsSnapshot::file(
r#"
{
"name": "path-project",
"tree": {
"$path": "other.txt"
}
}
"#,
),
),
("other.txt", VfsSnapshot::file("Hello, world!")),
]),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo/default.project.json"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
#[test]
fn project_with_path_to_project() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo",
VfsSnapshot::dir([
(
"default.project.json",
VfsSnapshot::file(
r#"
{
"name": "path-project",
"tree": {
"$path": "other.project.json"
}
}
"#,
),
),
(
"other.project.json",
VfsSnapshot::file(
r#"
{
"name": "other-project",
"tree": {
"$className": "Model"
}
}
"#,
),
),
]),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo/default.project.json"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
#[test]
fn project_with_path_to_project_with_children() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo",
VfsSnapshot::dir([
(
"default.project.json",
VfsSnapshot::file(
r#"
{
"name": "path-child-project",
"tree": {
"$path": "other.project.json"
}
}
"#,
),
),
(
"other.project.json",
VfsSnapshot::file(
r#"
{
"name": "other-project",
"tree": {
"$className": "Folder",
"SomeChild": {
"$className": "Model"
}
}
}
"#,
),
),
]),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo/default.project.json"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
/// Ensures that if a property is defined both in the resulting instance
/// from $path and also in $properties, that the $properties value takes
/// precedence.
#[test]
fn project_path_property_overrides() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo",
VfsSnapshot::dir([
(
"default.project.json",
VfsSnapshot::file(
r#"
{
"name": "path-property-override",
"tree": {
"$path": "other.project.json",
"$properties": {
"Value": "Changed"
}
}
}
"#,
),
),
(
"other.project.json",
VfsSnapshot::file(
r#"
{
"name": "other-project",
"tree": {
"$className": "StringValue",
"$properties": {
"Value": "Original"
}
}
}
"#,
),
),
]),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo/default.project.json"),
"NOT_IN_SNAPSHOT",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
#[test]
fn no_name_project() {
let _ = env_logger::try_init();
let mut imfs = InMemoryFs::new();
imfs.load_snapshot(
"/foo",
VfsSnapshot::dir([(
"default.project.json",
VfsSnapshot::file(
r#"
{
"tree": {
"$className": "Model"
}
}
"#,
),
)]),
)
.unwrap();
let vfs = Vfs::new(imfs);
let instance_snapshot = snapshot_project(
&InstanceContext::default(),
&vfs,
Path::new("/foo/default.project.json"),
"no_name_project",
)
.expect("snapshot error")
.expect("snapshot returned no instances");
insta::assert_yaml_snapshot!(instance_snapshot);
}
}