From 2e57b250c6e931c13ed9ec1870e133c59151422b Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Thu, 27 Apr 2023 22:02:07 +0530
Subject: switch to an actually working trie crate

---
 src/lib.rs  | 70 +++++++++++++++++++------------------------------------------
 src/main.rs |  1 +
 2 files changed, 23 insertions(+), 48 deletions(-)

(limited to 'src')

diff --git a/src/lib.rs b/src/lib.rs
index 1324f70..b286cb5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,9 +3,10 @@ pub mod lex;
 pub mod parse;
 mod utils;
 
-use std::fmt;
-
-use radix_trie::{Trie, TrieCommon};
+use qp_trie::{
+    wrapper::{BStr, BString},
+    Iter, Trie,
+};
 
 pub struct Dict {
     inner: Trie<DictKey, DictValue>,
@@ -16,66 +17,39 @@ impl Dict {
         Self { inner: Trie::new() }
     }
 
-    fn insert(&mut self, entry: DictKey, value: DictValue) {
-        self.inner.map_with_default(
-            entry,
-            |dict_value| {
-                // TODO: this only merges defns, not notes/syns
-                for v in value.defn.iter() {
-                    dict_value.defn.push(v);
-                }
-            },
-            value.clone(),
-        );
+    fn insert(&mut self, entry: &'static str, value: DictValue) {
+        let key = BString::from(entry);
+        let dict_value = self.inner.entry(key).or_insert(Default::default());
+        for v in value.defn.into_iter() {
+            dict_value.defn.push(v);
+        }
     }
 
-    pub fn search<'dict, 'search>(
-        &'dict self,
-        search_term: &'search str,
-    ) -> SearchResults<'dict, 'search> {
-        self.inner
-            .subtrie(search_term)
-            .map_or(SearchResults::Empty, |subtrie| {
-                SearchResults::Hit(subtrie.iter())
-            })
+    pub fn search<'a, 's>(&'a self, search_term: &'s str) -> SearchResults<'a> {
+        SearchResults(self.inner.iter_prefix_str(search_term))
     }
 }
 
-pub enum SearchResults<'dict, 'search> {
-    Empty,
-    Hit(radix_trie::iter::Iter<'dict, &'search str, DictValue>),
-}
+pub struct SearchResults<'a>(Iter<'a, DictKey, DictValue>);
 
-impl<'dict, 'search> SearchResults<'dict, 'search> {
+impl<'a> SearchResults<'a> {
     // mutable ref here to advance the iterator present in Self::Hit
     pub fn print(&mut self) {
-        match self {
-            Self::Hit(results) => {
-                while let Some((key, value)) = results.next() {
-                    if value.defn.len() > 1 {
-                        for (def, idx) in value.defn.iter().zip(1..) {
-                            println!("{}({}) {}", key, idx, def.replace('\n', " "));
-                        }
-                    } else {
-                        println!("{} {}", key, value.defn[0].replace('\n', " "));
-                    }
-
-                    // if let Some(note) = value.note {
-                    //     print!("\t{}", note);
-                    // }
-                    // if let Some(synonym) = value.synonym {
-                    //     print!("\t{}", synonym);
-                    // }
+        while let Some((key, value)) = self.0.next() {
+            if value.defn.len() > 1 {
+                for (def, idx) in value.defn.iter().zip(1..) {
+                    println!("{}({}) {}", key.as_str(), idx, def.replace('\n', " "));
                 }
+            } else {
+                println!("{} {}", key.as_str(), value.defn[0].replace('\n', " "));
             }
-            Self::Empty => (),
         }
     }
 }
 
-type DictKey = &'static str;
+type DictKey = BString;
 
-#[derive(Clone)]
+#[derive(Clone, Debug, Default)]
 pub struct DictValue {
     defn: Vec<&'static str>,
     note: Option<&'static str>,
diff --git a/src/main.rs b/src/main.rs
index 9def90c..ffa7757 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,6 +9,7 @@ fn main() {
         .filter_map(Result::ok)
         .fold(ParseState::new(), ParseState::advance)
         .finish()
+        //.children();
         .search(search_term.to_ascii_uppercase().as_str())
         .print()
 }
-- 
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