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Implement metadata, replacing source field and laying foundations

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This commit is contained in:
Lucien Greathouse 2019-09-06 14:21:47 -07:00
parent a914a92cea
commit 5eb6754b7c
12 changed files with 176 additions and 33 deletions
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44
src/snapshot/instance_snapshot.rs
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@ -1,10 +1,10 @@
//! Defines the structure of an instance snapshot.
use std::{borrow::Cow, collections::HashMap, path::PathBuf};
use std::{borrow::Cow, collections::HashMap};
use rbx_dom_weak::{RbxId, RbxTree, RbxValue};
use crate::project::ProjectNode;
use super::InstanceMetadata;
/// A lightweight description of what an instance should look like. Attempts to
/// be somewhat memory efficient by borrowing from its source data, indicated by
@ -18,14 +18,21 @@ pub struct InstanceSnapshot<'source> {
/// A temporary ID applied to the snapshot that's used for Ref properties.
pub snapshot_id: Option<RbxId>,
/// A complete view of where this snapshot came from. It should contain
/// enough information, if not None, to recreate this snapshot
/// deterministically assuming the source has not changed state.
pub source: Option<SnapshotSource>,
/// Rojo-specific metadata associated with the instance.
pub metadata: InstanceMetadata,
/// Correpsonds to the Name property of the instance.
pub name: Cow<'source, str>,
/// Corresponds to the ClassName property of the instance.
pub class_name: Cow<'source, str>,
/// All other properties of the instance, weakly-typed.
pub properties: HashMap<String, RbxValue>,
/// The children of the instance represented as more snapshots.
///
/// Order is relevant for Roblox instances!
pub children: Vec<InstanceSnapshot<'source>>,
}
@ -39,7 +46,7 @@ impl<'source> InstanceSnapshot<'source> {
InstanceSnapshot {
snapshot_id: None,
source: self.source.clone(),
metadata: self.metadata.clone(),
name: Cow::Owned(self.name.clone().into_owned()),
class_name: Cow::Owned(self.class_name.clone().into_owned()),
properties: self.properties.clone(),
@ -61,7 +68,7 @@ impl<'source> InstanceSnapshot<'source> {
InstanceSnapshot {
snapshot_id: Some(id),
source: None,
metadata: InstanceMetadata::default(),
name: Cow::Owned(instance.name.clone()),
class_name: Cow::Owned(instance.class_name.clone()),
properties: instance.properties.clone(),
@ -70,14 +77,15 @@ impl<'source> InstanceSnapshot<'source> {
}
}
#[derive(Debug, Clone, PartialEq)]
pub enum SnapshotSource {
File {
path: PathBuf,
},
ProjectFile {
path: PathBuf,
name: String,
node: ProjectNode,
},
impl<'source> Default for InstanceSnapshot<'source> {
fn default() -> InstanceSnapshot<'source> {
InstanceSnapshot {
snapshot_id: None,
metadata: InstanceMetadata::default(),
name: Cow::Borrowed("DEFAULT"),
class_name: Cow::Borrowed("DEFAULT"),
properties: HashMap::new(),
children: Vec::new(),
}
}
}