Add incremental search (#140)

1 files changed, 22 insertions, 4 deletions

diff --git a/src/commands/search_string.rs b/src/commands/search_string.rs
index 62d9a7f..70b0795 100644
--- a/src/commands/search_string.rs
+++ b/src/commands/search_string.rs
@@ -1,5 +1,4 @@
 use crate::context::AppContext;
-use crate::error::JoshutoResult;
 use crate::tab::JoshutoTab;
 use crate::util::search::SearchPattern;
 
@@ -20,6 +19,20 @@ pub fn search_string_fwd(curr_tab: &JoshutoTab, pattern: &str) -> Option<usize>
     }
     None
 }
+
+pub fn search_string_start(curr_tab: &JoshutoTab, pattern: &str) -> Option<usize> {
+    let curr_list = curr_tab.curr_list_ref()?;
+
+    let contents_len = curr_list.contents.len();
+    for i in 0..contents_len {
+        let file_name_lower = curr_list.contents[i].file_name().to_lowercase();
+        if file_name_lower.contains(pattern) {
+            return Some(i);
+        }
+    }
+    None
+}
+
 pub fn search_string_rev(curr_tab: &JoshutoTab, pattern: &str) -> Option<usize> {
     let curr_list = curr_tab.curr_list_ref()?;
 
@@ -36,12 +49,17 @@ pub fn search_string_rev(curr_tab: &JoshutoTab, pattern: &str) -> Option<usize>
     None
 }
 
-pub fn search_string(context: &mut AppContext, pattern: &str) -> JoshutoResult<()> {
+pub fn search_string(context: &mut AppContext, pattern: &str, incremental: bool) {
     let pattern = pattern.to_lowercase();
-    let index = search_string_fwd(context.tab_context_ref().curr_tab_ref(), pattern.as_str());
+    let curr_tab = context.tab_context_ref().curr_tab_ref();
+
+    let index = if incremental {
+        search_string_start(curr_tab, pattern.as_str())
+    } else {
+        search_string_fwd(curr_tab, pattern.as_str())
+    };
     if let Some(index) = index {
         let _ = cursor_move::cursor_move(context, index);
     }
     context.set_search_context(SearchPattern::String(pattern));
-    Ok(())
 }