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feat: get deleted subtrees from the document

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This commit is contained in:
Vincent Chan 2022-08-23 17:58:54 +08:00
parent 9d1475df2b
commit d6ef13adae
2 changed files with 25 additions and 17 deletions
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9
shared-lib/lib-ot/src/core/document/document.rs
View File

@ -108,11 +108,6 @@ impl DocumentTree {
let parent_node = self
.node_at_path(&Position(parent_path.to_vec()))
.ok_or(ErrorBuilder::new(OTErrorCode::PathNotFound).build())?;
// let mut inserted_nodes = Vec::new();
//
// for node in nodes {
// inserted_nodes.push(self.arena.new_node(node.to_node_data()));
// }
self.insert_child_at_index(parent_node, last_index, nodes.as_ref())
}
@ -167,10 +162,6 @@ impl DocumentTree {
.node_at_path(path)
.ok_or(ErrorBuilder::new(OTErrorCode::PathNotFound).build())?;
let node_data = self.arena.get_mut(update_node).unwrap();
// let new_node = NodeData {
// ..node_data.get().clone()
// attributes:
// };
let new_node = {
let old_attributes = &node_data.get().attributes;
let new_attributes = NodeAttributes::compose(&old_attributes, attributes);

33
shared-lib/lib-ot/src/core/document/transaction.rs
View File

@ -1,6 +1,7 @@
use crate::core::document::position::Position;
use crate::core::{DocumentOperation, DocumentTree, NodeAttributes, NodeSubTree};
use std::collections::HashMap;
use indextree::NodeId;
pub struct Transaction {
pub operations: Vec<DocumentOperation>,
@ -62,14 +63,7 @@ impl<'a> TransactionBuilder<'a> {
let mut deleted_nodes: Vec<Box<NodeSubTree>> = Vec::new();
for _ in 0..length {
let node_data = self.document.arena.get(node).unwrap();
let data = node_data.get();
deleted_nodes.push(Box::new(NodeSubTree {
node_type: data.node_type.clone(),
attributes: data.attributes.clone(),
delta: data.delta.clone(),
children: vec![],
}));
deleted_nodes.push(self.get_deleted_nodes(node.clone()));
node = node.following_siblings(&self.document.arena).next().unwrap();
}
@ -79,6 +73,29 @@ impl<'a> TransactionBuilder<'a> {
})
}
fn get_deleted_nodes(&self, node_id: NodeId) -> Box<NodeSubTree> {
let node = self.document.arena.get(node_id.clone()).unwrap();
let node_data = node.get();
let mut children: Vec<Box<NodeSubTree>> = vec![];
let mut children_iterators = node_id.children(&self.document.arena);
loop {
let next_child = children_iterators.next();
if let Some(child_id) = next_child {
children.push(self.get_deleted_nodes(child_id));
} else {
break;
}
};
Box::new(NodeSubTree {
node_type: node_data.node_type.clone(),
attributes: node_data.attributes.clone(),
delta: node_data.delta.clone(),
children,
})
}
pub fn push(&mut self, op: DocumentOperation) {
self.operations.push(op);
}