feat: Add case sensitivity support for searching, selecting and filtering files (#393)

* feat: Add struct and enum definitons for choosing case sensitivity of search

* feat: Implement `FromStr` for CaseSensitivity

* feat: Add a command to change the configuration of case sensitivity

* feat: Add case sensitivity support for search operations

* feat: Add case sensitivity support for selection operations

* docs: Add explanations for the new feature

* feat: Add case sensitivity support for searching with fzf

* docs: Add explanations for the new feature

* docs: Update documents

* feat: Refactor and add case sensitivity support for the filter operation

* refactor: Extract codes related to constructing the context for searching

* refactor: Extract the common component of searching, selecting and filtering files

* refactor: Change the module path and name

* feat: Use separate options for case sensitivity configurations

* feat: Add support for changing case sensitivity configurations at runtime

* docs: Add explanations for the new command

1 files changed, 11 insertions, 3 deletions

diff --git a/src/commands/filter.rs b/src/commands/filter.rs
index 2ea818d..fbf1d30 100644
--- a/src/commands/filter.rs
+++ b/src/commands/filter.rs
@@ -1,15 +1,23 @@
-use crate::context::AppContext;
+use crate::context::{AppContext, MatchContext};
 use crate::error::JoshutoResult;
 
 use super::reload;
 
-pub fn filter(context: &mut AppContext, arg: &str) -> JoshutoResult {
+pub fn filter(context: &mut AppContext, pattern: &str) -> JoshutoResult {
+    let case_sensitivity = context
+        .config_ref()
+        .search_options_ref()
+        .string_case_sensitivity;
+
+    let filter_context = MatchContext::new_string(pattern, case_sensitivity);
+
     let curr_tab = context.tab_context_mut().curr_tab_mut();
     let path = curr_tab.cwd().to_path_buf();
+
     curr_tab
         .option_mut()
         .dirlist_options_mut(&path)
-        .set_filter_string(arg);
+        .set_filter_context(filter_context);
 
     if let Some(list) = curr_tab.curr_list_mut() {
         list.depreciate();