word break related operation

Cargo.toml

@@ -13,7 +13,8 @@ anyhow = "1.0.80"
 clap = { version = "4.5.1", features = ["derive"] }
 gag = "1.0.0"
 j9 = "0.1.3"
-promkit = "0.3.2"
+# promkit = "0.3.2"
+promkit = { git = "https://github.com/ynqa/promkit", branch = "dev-0.3.3/main" }
 radix_trie = "0.2.1"
 
 # The profile that 'cargo dist' will build with

README.md

@@ -87,6 +87,10 @@ jnv data.json
 | <kbd>Enter</kbd>     | Toggle expand/collapse in JSON viewer
 | <kbd>Ctrl + P</kbd>  | Expand all folds in JSON viewer
 | <kbd>Ctrl + N</kbd>  | Collapse all folds in JSON viewer
+| <kbd>Alt + B</kbd>   | Move the cursor to the previous nearest character within set(`.`,`\|`,`(`,`)`,`[`,`]`)
+| <kbd>Alt + F</kbd>   | Move the cursor to the next nearest character within set(`.`,`\|`,`(`,`)`,`[`,`]`)
+| <kbd>Ctrl + W</kbd>  | Erase to the previous nearest character within set(`.`,`\|`,`(`,`)`,`[`,`]`)
+| <kbd>Alt + D</kbd>   | Erase to the next nearest character within set(`.`,`\|`,`(`,`)`,`[`,`]`)
 
 ## Usage
 

src/jnv.rs

@@ -1,4 +1,4 @@
-use std::{cell::RefCell, rc::Rc};
+use std::{cell::RefCell, collections::HashSet, rc::Rc};
 
 use anyhow::Result;
 use gag::Gag;
@@ -83,6 +83,7 @@ impl Jnv {
                 active_char_style: StyleBuilder::new().bgc(Color::Magenta).build(),
                 inactive_char_style: StyleBuilder::new().build(),
                 edit_mode,
+                word_break_chars: HashSet::from(['.', '|', '(', ')', '[', ']']),
                 lines: Default::default(),
             },
             hint_message_renderer: text::Renderer {

src/jnv/keymap.rs

@@ -69,6 +69,24 @@ pub fn default(event: &Event, renderer: &mut crate::jnv::render::Renderer) -> Re
             state: KeyEventState::NONE,
         }) => query_editor_after_mut.texteditor.move_to_tail(),
 
+        Event::Key(KeyEvent {
+            code: KeyCode::Char('b'),
+            modifiers: KeyModifiers::ALT,
+            kind: KeyEventKind::Press,
+            state: KeyEventState::NONE,
+        }) => query_editor_after_mut
+            .texteditor
+            .move_to_previous_nearest(&query_editor_after_mut.word_break_chars),
+
+        Event::Key(KeyEvent {
+            code: KeyCode::Char('f'),
+            modifiers: KeyModifiers::ALT,
+            kind: KeyEventKind::Press,
+            state: KeyEventState::NONE,
+        }) => query_editor_after_mut
+            .texteditor
+            .move_to_next_nearest(&query_editor_after_mut.word_break_chars),
+
         // Erase char(s).
         Event::Key(KeyEvent {
             code: KeyCode::Backspace,
@@ -83,6 +101,25 @@ pub fn default(event: &Event, renderer: &mut crate::jnv::render::Renderer) -> Re
             state: KeyEventState::NONE,
         }) => query_editor_after_mut.texteditor.erase_all(),
 
+        // Erase to the nearest character.
+        Event::Key(KeyEvent {
+            code: KeyCode::Char('w'),
+            modifiers: KeyModifiers::CONTROL,
+            kind: KeyEventKind::Press,
+            state: KeyEventState::NONE,
+        }) => query_editor_after_mut
+            .texteditor
+            .erase_to_previous_nearest(&query_editor_after_mut.word_break_chars),
+
+        Event::Key(KeyEvent {
+            code: KeyCode::Char('d'),
+            modifiers: KeyModifiers::ALT,
+            kind: KeyEventKind::Press,
+            state: KeyEventState::NONE,
+        }) => query_editor_after_mut
+            .texteditor
+            .erase_to_next_nearest(&query_editor_after_mut.word_break_chars),
+
         // Move up.
         Event::Key(KeyEvent {
             code: KeyCode::Up,