Struct NodeRef

pub struct NodeRef<'a> { /* private fields */ }

Implementations

impl<'a> NodeRef<'a>

pub fn new(tree: &'a mut Tree, key: String) -> Self

Methods from Deref<Target = Tree>

pub fn get_shard_index(&self, id: &NodeId) -> usize

pub fn get_shard_indices(&self, ids: &[&NodeId]) -> Vec<usize>

pub fn get_shard_index_batch<'a>( &self, ids: &'a [&'a NodeId], ) -> Vec<(usize, &'a NodeId)>

pub fn contains_node(&self, id: &NodeId) -> bool

pub fn get_node(&self, id: &NodeId) -> Option<Arc<Node>>

pub fn get_parent_node(&self, id: &NodeId) -> Option<Arc<Node>>

pub fn update_attr( &mut self, id: &NodeId, new_values: HashMap<String, Value>, ) -> PoolResult<()>

pub fn update_node(&mut self, node: Node) -> PoolResult<()>

pub fn add( &mut self, parent_id: &NodeId, nodes: Vec<NodeEnum>, ) -> PoolResult<()>

向树中添加新的节点及其子节点

参数

• nodes - 要添加的节点枚举，包含节点本身及其子节点

返回值

• Result<(), PoolError> - 如果添加成功返回 Ok(()), 否则返回错误

错误

• PoolError::ParentNotFound - 如果父节点不存在

pub fn add_at_index( &mut self, parent_id: &NodeId, index: usize, node: &Node, ) -> PoolResult<()>

pub fn add_node( &mut self, parent_id: &NodeId, nodes: &Vec<Node>, ) -> PoolResult<()>

pub fn node(&mut self, key: &str) -> NodeRef<'_>

pub fn mark(&mut self, key: &str) -> MarkRef<'_>

pub fn attrs(&mut self, key: &str) -> AttrsRef<'_>

pub fn children(&self, parent_id: &NodeId) -> Option<Vector<NodeId>>

pub fn children_node(&self, parent_id: &NodeId) -> Option<Vector<Arc<Node>>>

pub fn all_children( &self, parent_id: &NodeId, filter: Option<&dyn Fn(&Node) -> bool>, ) -> Option<NodeEnum>

pub fn children_count(&self, parent_id: &NodeId) -> usize

pub fn remove_mark_by_name( &mut self, id: &NodeId, mark_name: &str, ) -> PoolResult<()>

pub fn get_marks(&self, id: &NodeId) -> Option<Vector<Mark>>

pub fn remove_mark( &mut self, id: &NodeId, mark_types: &[String], ) -> PoolResult<()>

pub fn add_mark(&mut self, id: &NodeId, marks: &Vec<Mark>) -> PoolResult<()>

pub fn move_node( &mut self, source_parent_id: &NodeId, target_parent_id: &NodeId, node_id: &NodeId, position: Option<usize>, ) -> PoolResult<()>

pub fn remove_node( &mut self, parent_id: &NodeId, nodes: Vec<NodeId>, ) -> PoolResult<()>

pub fn remove_node_by_id(&mut self, node_id: &NodeId) -> PoolResult<()>

pub fn remove_node_by_index( &mut self, parent_id: &NodeId, index: usize, ) -> PoolResult<()>

根据下标删除

Trait Implementations

impl<'a> Add<(usize, Node)> for NodeRef<'a>

为 NodeRef 实现自定义的 + 运算符，用于在指定位置添加单个节点 当使用 + 运算符时，会将新节点添加到当前节点的子节点列表中的指定位置

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the + operator.

fn add(self, (index, node): (usize, Node)) -> Self::Output

Performs the + operation.

impl<'a> Add<Node> for NodeRef<'a>

为 NodeRef 实现自定义的 + 运算符，用于添加单个节点 当使用 + 运算符时，会将新节点添加到当前节点的子节点列表中

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the + operator.

fn add(self, node: Node) -> Self::Output

Performs the + operation.

impl<'a> Add<NodeEnum> for NodeRef<'a>

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the + operator.

fn add(self, nodes: NodeEnum) -> Self::Output

Performs the + operation.

impl<'a> Add<Vec<Node>> for NodeRef<'a>

为 NodeRef 实现自定义的 + 运算符，用于添加多个节点 当使用 + 运算符时，会将多个新节点添加到当前节点的子节点列表中

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the + operator.

fn add(self, nodes: Vec<Node>) -> Self::Output

Performs the + operation.

impl<'a> BitAnd<String> for NodeRef<'a>

为 NodeRef 实现自定义的 & 运算符，用于过滤特定类型的子节点 当使用 & 运算符时，会保留指定类型的子节点，移除其他类型的子节点

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the & operator.

fn bitand(self, node_type: String) -> Self::Output

Performs the & operation.

impl<'a> BitAnd<Vec<String>> for NodeRef<'a>

为 NodeRef 实现自定义的 & 运算符，用于保留多个指定类型的子节点 当使用 & 运算符时，会保留匹配任一指定类型的子节点，移除其他类型的子节点

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the & operator.

fn bitand(self, node_types: Vec<String>) -> Self::Output

Performs the & operation.

impl<'a> BitOr<String> for NodeRef<'a>

为 NodeRef 实现自定义的 | 运算符，用于合并另一个节点的所有子节点 当使用 | 运算符时，会将另一个节点的所有子节点复制到当前节点中

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the | operator.

fn bitor(self, other_node_id: NodeId) -> Self::Output

Performs the | operation.

impl<'a> BitOr<Vec<Node>> for NodeRef<'a>

为 NodeRef 实现自定义的 | 运算符，用于直接合并节点列表 当使用 | 运算符时，会将提供的节点列表合并到当前节点中

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the | operator.

fn bitor(self, nodes: Vec<Node>) -> Self::Output

Performs the | operation.

impl<'a> BitOr<Vec<String>> for NodeRef<'a>

为 NodeRef 实现自定义的 | 运算符，用于合并多个节点的子节点 当使用 | 运算符时，会将多个节点的所有子节点复制到当前节点中

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the | operator.

fn bitor(self, other_node_ids: Vec<NodeId>) -> Self::Output

Performs the | operation.

impl<'a> Deref for NodeRef<'a>

type Target = Tree

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<'a> DerefMut for NodeRef<'a>

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

impl<'a> Mul<String> for NodeRef<'a>

为 NodeRef 实现自定义的 * 运算符，用于复制指定节点到当前位置 当使用 * 运算符时，会将指定节点复制到当前节点的子节点列表中

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the * operator.

fn mul(self, node_id: NodeId) -> Self::Output

Performs the * operation.

impl<'a> Mul<Vec<String>> for NodeRef<'a>

为 NodeRef 实现自定义的 * 运算符，用于批量复制多个指定节点 当使用 * 运算符时，会将指定的多个节点复制到当前节点的子节点列表中

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the * operator.

fn mul(self, node_ids: Vec<NodeId>) -> Self::Output

Performs the * operation.

impl<'a> Mul<usize> for NodeRef<'a>

为 NodeRef 实现自定义的 * 运算符，用于复制当前节点N次 当使用 * 运算符时，会将当前节点复制指定次数并添加到父节点中

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the * operator.

fn mul(self, count: usize) -> Self::Output

Performs the * operation.

impl<'a> Shl<Node> for NodeRef<'a>

为 NodeRef 实现自定义的 << 运算符，用于在子节点列表开头插入单个节点 当使用 << 运算符时，会将新节点插入到当前节点的子节点列表的开头位置

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the << operator.

fn shl(self, node: Node) -> Self::Output

Performs the << operation.

impl<'a> Shl<Vec<Node>> for NodeRef<'a>

为 NodeRef 实现自定义的 << 运算符，用于在子节点列表开头插入多个节点 当使用 << 运算符时，会将多个新节点依次插入到当前节点的子节点列表的开头位置

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the << operator.

fn shl(self, nodes: Vec<Node>) -> Self::Output

Performs the << operation.

impl<'a> Shl<usize> for NodeRef<'a>

为 NodeRef 实现自定义的 << 运算符，用于在指定数量的位置处插入节点 当使用 << 运算符时，会将当前节点向左移动指定位置数

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the << operator.

fn shl(self, positions: usize) -> Self::Output

Performs the << operation.

impl<'a> Shr<Node> for NodeRef<'a>

为 NodeRef 实现自定义的 >> 运算符，用于在子节点列表末尾添加单个节点 当使用 >> 运算符时，会将新节点添加到当前节点的子节点列表的末尾位置

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the >> operator.

fn shr(self, node: Node) -> Self::Output

Performs the >> operation.

impl<'a> Shr<Vec<Node>> for NodeRef<'a>

为 NodeRef 实现自定义的 >> 运算符，用于在子节点列表末尾添加多个节点 当使用 >> 运算符时，会将多个新节点添加到当前节点的子节点列表的末尾位置

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the >> operator.

fn shr(self, nodes: Vec<Node>) -> Self::Output

Performs the >> operation.

impl<'a> Shr<usize> for NodeRef<'a>

为 NodeRef 实现自定义的 >> 运算符，用于将当前节点向右移动指定位置 当使用 >> 运算符时，会将当前节点在其父节点的子节点列表中向右移动指定位置数

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the >> operator.

fn shr(self, positions: usize) -> Self::Output

Performs the >> operation.

impl<'a> Sub<String> for NodeRef<'a>

为 NodeRef 实现自定义的 - 运算符，用于删除单个节点 当使用 - 运算符时，会从当前节点的子节点列表中移除指定的节点

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the - operator.

fn sub(self, node_id: NodeId) -> Self::Output

Performs the - operation.

impl<'a> Sub<Vec<String>> for NodeRef<'a>

为 NodeRef 实现自定义的 - 运算符，用于删除多个节点 当使用 - 运算符时，会从当前节点的子节点列表中移除指定的多个节点

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the - operator.

fn sub(self, node_ids: Vec<NodeId>) -> Self::Output

Performs the - operation.

impl<'a> Sub<usize> for NodeRef<'a>

为 NodeRef 实现自定义的 - 运算符，用于删除单个节点 当使用 - 运算符时，会从当前节点的子节点列表中移除指定的节点

type Output = Result<NodeRef<'a>, Error>

The resulting type after applying the - operator.

fn sub(self, index: usize) -> Self::Output

Performs the - operation.