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avoid wrapping outermost search in parens

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This commit is contained in:
Damien Elmes 2021-02-12 09:30:21 +10:00
parent 03b9f2a3f6
commit 586ea07869
2 changed files with 14 additions and 7 deletions
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11
rslib/src/backend/mod.rs
View file

@ -548,7 +548,8 @@ impl BackendService for Backend {
//-----------------------------------------------
fn build_search_string(&self, input: pb::SearchNode) -> Result<pb::String> {
Ok(write_nodes(&[input.try_into()?]).into())
let node: Node = input.try_into()?;
Ok(write_nodes(&node.into_node_list()).into())
}
fn search_cards(&self, input: pb::SearchCardsIn) -> Result<pb::SearchCardsOut> {
@ -573,12 +574,8 @@ impl BackendService for Backend {
fn join_search_nodes(&self, input: pb::JoinSearchNodesIn) -> Result<pb::String> {
let sep = input.joiner().into();
let existing_nodes = {
let node = input.existing_node.unwrap_or_default().try_into()?;
if let Node::Group(nodes) = node {
nodes
} else {
vec![node]
}
let node: Node = input.existing_node.unwrap_or_default().try_into()?;
node.into_node_list()
};
let additional_node = input.additional_node.unwrap_or_default().try_into()?;
Ok(concatenate_searches(sep, existing_nodes, additional_node).into())

10
rslib/src/search/parser.rs
View file

@ -46,6 +46,16 @@ impl Node {
Node::Not(Box::new(self))
}
}
/// If we're a group, return the contained elements.
/// If we're a single node, return ourselves in an one-element vec.
pub fn into_node_list(self) -> Vec<Node> {
if let Node::Group(nodes) = self {
nodes
} else {
vec![self]
}
}
}
#[derive(Debug, PartialEq, Clone)]