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mod and;
mod keyword;
mod live;
mod or;
// -----------------------------------------------------------------------------
use crate::simple::{SearchIndex, SearchType};
use std::hash::Hash;
// -----------------------------------------------------------------------------
impl<'a, K: 'a + Hash + Ord> SearchIndex<K> {
// -------------------------------------------------------------------------
//
/// The `search` function will return keys as the search results. Each
/// resulting key can then be used to retrieve the full record from its
/// collection. Search keywords must be an exact match.
///
/// Search only supports exact keyword matches and does not use fuzzy
/// matching. Consider providing the `autocomplete` feature to your users as
/// an ergonomic alternative to fuzzy matching.
///
/// Search behaviour can be changed by setting the [`SearchType`] in the
/// `SearchIndex`. See also: [`SearchIndexBuilder`] and
/// [`SearchIndex::new()`].
///
/// [`SearchType`]: enum.SearchType.html
/// [`SearchIndexBuilder`]: struct.SearchIndexBuilder.html
/// [`SearchIndex::new()`]: struct.SearchIndex.html#method.new
///
/// Basic usage:
///
/// ```rust
/// # use indicium::simple::{AutocompleteType, Indexable, SearchIndex, SearchType};
/// # use pretty_assertions::assert_eq;
/// #
/// # struct MyStruct {
/// # title: String,
/// # year: u16,
/// # body: String,
/// # }
/// #
/// # impl Indexable for MyStruct {
/// # fn strings(&self) -> Vec<String> {
/// # vec![
/// # self.title.clone(),
/// # self.year.to_string(),
/// # self.body.clone(),
/// # ]
/// # }
/// # }
/// #
/// # let my_vec = vec![
/// # MyStruct {
/// # title: "Harold Godwinson".to_string(),
/// # year: 1066,
/// # body: "Last crowned Anglo-Saxon king of England.".to_string(),
/// # },
/// # MyStruct {
/// # title: "Edgar Ætheling".to_string(),
/// # year: 1066,
/// # body: "Last male member of the royal house of Cerdic of Wessex.".to_string(),
/// # },
/// # MyStruct {
/// # title: "William the Conqueror".to_string(),
/// # year: 1066,
/// # body: "First Norman monarch of England.".to_string(),
/// # },
/// # MyStruct {
/// # title: "William Rufus".to_string(),
/// # year: 1087,
/// # body: "Third son of William the Conqueror.".to_string(),
/// # },
/// # MyStruct {
/// # title: "Henry Beauclerc".to_string(),
/// # year: 1100,
/// # body: "Fourth son of William the Conqueror.".to_string(),
/// # },
/// # ];
/// #
/// # let mut search_index: SearchIndex<usize> = SearchIndex::default();
/// #
/// # my_vec
/// # .iter()
/// # .enumerate()
/// # .for_each(|(index, element)|
/// # search_index.insert(&index, element)
/// # );
/// #
/// let search_results = search_index.search("last Wessex");
/// assert_eq!(search_results, vec![&1]);
/// ```
#[tracing::instrument(level = "trace", name = "search", skip(self))]
pub fn search(&'a self, string: &'a str) -> Vec<&'a K> {
let search_results: Vec<&'a K> = match self.search_type {
SearchType::And => self.and_search(self.maximum_search_results, string),
SearchType::Keyword => self.search_keyword(self.maximum_search_results, string),
SearchType::Live => self
.search_live(self.maximum_search_results, string)
.into_iter()
.collect(),
SearchType::Or => self.search_or(self.maximum_search_results, string),
}; // match
// For debug builds:
#[cfg(debug_assertions)]
tracing::debug!(
"{} search results for \"{}\".",
search_results.len(),
string,
); // debug!
search_results
} // fn
// -------------------------------------------------------------------------
//
/// This search method allows the caller to define a `SearchType`
/// parameter, effectively overriding the index settings. See [`SearchType`]
/// for more information on the different search types.
///
/// The `search` function will return keys as the search results. Each
/// resulting key can then be used to retrieve the full record from its
/// collection. Search keywords must be an exact match.
///
/// Search only supports exact keyword matches and does not use fuzzy
/// matching. Consider providing the `autocomplete` feature to your users as
/// an ergonomic alternative to fuzzy matching.
///
/// [`SearchType`]: enum.SearchType.html
///
/// Basic usage:
///
/// ```rust
/// # use indicium::simple::{AutocompleteType, Indexable, SearchIndex, SearchType};
/// # use pretty_assertions::assert_eq;
/// #
/// # struct MyStruct {
/// # title: String,
/// # year: u16,
/// # body: String,
/// # }
/// #
/// # impl Indexable for MyStruct {
/// # fn strings(&self) -> Vec<String> {
/// # vec![
/// # self.title.clone(),
/// # self.year.to_string(),
/// # self.body.clone(),
/// # ]
/// # }
/// # }
/// #
/// # let my_vec = vec![
/// # MyStruct {
/// # title: "Harold Godwinson".to_string(),
/// # year: 1066,
/// # body: "Last crowned Anglo-Saxon king of England.".to_string(),
/// # },
/// # MyStruct {
/// # title: "Edgar Ætheling".to_string(),
/// # year: 1066,
/// # body: "Last male member of the royal house of Cerdic of Wessex.".to_string(),
/// # },
/// # MyStruct {
/// # title: "William the Conqueror".to_string(),
/// # year: 1066,
/// # body: "First Norman monarch of England.".to_string(),
/// # },
/// # MyStruct {
/// # title: "William Rufus".to_string(),
/// # year: 1087,
/// # body: "Third son of William the Conqueror.".to_string(),
/// # },
/// # MyStruct {
/// # title: "Henry Beauclerc".to_string(),
/// # year: 1100,
/// # body: "Fourth son of William the Conqueror.".to_string(),
/// # },
/// # ];
/// #
/// # let mut search_index: SearchIndex<usize> = SearchIndex::default();
/// #
/// # my_vec
/// # .iter()
/// # .enumerate()
/// # .for_each(|(index, element)|
/// # search_index.insert(&index, element)
/// # );
/// #
/// let search_results = search_index.search_type(&SearchType::And, "Conqueror third");
/// assert_eq!(search_results, vec![&3]);
/// ```
#[tracing::instrument(level = "trace", name = "search", skip(self))]
pub fn search_type(&'a self, search_type: &SearchType, string: &'a str) -> Vec<&'a K> {
let search_results: Vec<&'a K> = match search_type {
SearchType::And => self.and_search(self.maximum_search_results, string),
SearchType::Keyword => self.search_keyword(self.maximum_search_results, string),
SearchType::Live => self
.search_live(self.maximum_search_results, string)
.into_iter()
.collect(),
SearchType::Or => self.search_or(self.maximum_search_results, string),
}; // match
// For debug builds:
#[cfg(debug_assertions)]
tracing::debug!(
"{} search results for \"{}\".",
search_results.len(),
string,
); // debug!
search_results
} // fn
// -------------------------------------------------------------------------
//
/// This search method allows the caller to define a `SearchType` and the
/// maximum number of search results to return. These parameters override
/// the index settings. See [`SearchType`] for more information on the
/// different search types.
///
/// The `search` function will return keys as the search results. Each
/// resulting key can then be used to retrieve the full record from its
/// collection. Search keywords must be an exact match.
///
/// Search only supports exact keyword matches and does not use fuzzy
/// matching. Consider providing the `autocomplete` feature to your users as
/// an ergonomic alternative to fuzzy matching.
///
/// [`SearchType`]: enum.SearchType.html
///
/// Basic usage:
///
/// ```rust
/// # use indicium::simple::{AutocompleteType, Indexable, SearchIndex, SearchType};
/// # use pretty_assertions::assert_eq;
/// #
/// # struct MyStruct {
/// # title: String,
/// # year: u16,
/// # body: String,
/// # }
/// #
/// # impl Indexable for MyStruct {
/// # fn strings(&self) -> Vec<String> {
/// # vec![
/// # self.title.clone(),
/// # self.year.to_string(),
/// # self.body.clone(),
/// # ]
/// # }
/// # }
/// #
/// # let my_vec = vec![
/// # MyStruct {
/// # title: "Harold Godwinson".to_string(),
/// # year: 1066,
/// # body: "Last crowned Anglo-Saxon king of England.".to_string(),
/// # },
/// # MyStruct {
/// # title: "Edgar Ætheling".to_string(),
/// # year: 1066,
/// # body: "Last male member of the royal house of Cerdic of Wessex.".to_string(),
/// # },
/// # MyStruct {
/// # title: "William the Conqueror".to_string(),
/// # year: 1066,
/// # body: "First Norman monarch of England.".to_string(),
/// # },
/// # MyStruct {
/// # title: "William Rufus".to_string(),
/// # year: 1087,
/// # body: "Third son of William the Conqueror.".to_string(),
/// # },
/// # MyStruct {
/// # title: "Henry Beauclerc".to_string(),
/// # year: 1100,
/// # body: "Fourth son of William the Conqueror.".to_string(),
/// # },
/// # ];
/// #
/// # let mut search_index: SearchIndex<usize> = SearchIndex::default();
/// #
/// # my_vec
/// # .iter()
/// # .enumerate()
/// # .for_each(|(index, element)|
/// # search_index.insert(&index, element)
/// # );
/// #
/// let search_results = search_index.search_with(
/// &SearchType::And,
/// 20,
/// "Conqueror third"
/// );
///
/// assert_eq!(search_results, vec![&3]);
/// ```
#[tracing::instrument(level = "trace", name = "search", skip(self))]
pub fn search_with(
&'a self,
search_type: &SearchType,
maximum_search_results: usize,
string: &'a str,
) -> Vec<&'a K> {
let search_results: Vec<&'a K> = match search_type {
SearchType::And => self.and_search(maximum_search_results, string),
SearchType::Keyword => self.search_keyword(maximum_search_results, string),
SearchType::Live => self
.search_live(maximum_search_results, string)
.into_iter()
.collect(),
SearchType::Or => self.search_or(maximum_search_results, string),
}; // match
// For debug builds:
#[cfg(debug_assertions)]
tracing::debug!(
"{} search results for \"{}\".",
search_results.len(),
string,
); // debug!
search_results
} // fn
} // impl