863 lines
26 KiB
Rust
863 lines
26 KiB
Rust
use std::iter::Peekable;
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use std::str::Chars;
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use super::{CmdReplay, CmdState, ModeReport, ViMode, common_cmds};
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use crate::readline::keys::{KeyCode as K, KeyEvent as E, ModKeys as M};
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use crate::readline::vicmd::{
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Anchor, Bound, CmdFlags, Dest, Direction, Motion, MotionCmd, RegisterName, TextObj, To, Verb,
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VerbCmd, ViCmd, Word,
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};
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#[derive(Default, Debug)]
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pub struct ViNormal {
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pending_seq: String,
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pending_flags: CmdFlags,
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}
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impl ViNormal {
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pub fn new() -> Self {
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Self::default()
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}
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pub fn clear_cmd(&mut self) {
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self.pending_seq = String::new();
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}
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pub fn take_cmd(&mut self) -> String {
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std::mem::take(&mut self.pending_seq)
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}
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pub fn flags(&self) -> CmdFlags {
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self.pending_flags
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}
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#[allow(clippy::unnecessary_unwrap)]
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fn validate_combination(&self, verb: Option<&Verb>, motion: Option<&Motion>) -> CmdState {
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if verb.is_none() {
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match motion {
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Some(Motion::TextObj(obj)) => {
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return match obj {
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TextObj::Sentence(_) | TextObj::Paragraph(_) => CmdState::Complete,
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_ => CmdState::Invalid,
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};
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}
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Some(_) => return CmdState::Complete,
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None => return CmdState::Pending,
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}
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}
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if verb.is_some() && motion.is_none() {
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match verb.unwrap() {
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Verb::Put(_) => CmdState::Complete,
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_ => CmdState::Pending,
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}
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} else {
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CmdState::Complete
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}
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}
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pub fn parse_count(&self, chars: &mut Peekable<Chars<'_>>) -> Option<usize> {
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let mut count = String::new();
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let Some(_digit @ '1'..='9') = chars.peek() else {
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return None;
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};
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count.push(chars.next().unwrap());
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while let Some(_digit @ '0'..='9') = chars.peek() {
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count.push(chars.next().unwrap());
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}
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if !count.is_empty() {
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count.parse::<usize>().ok()
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} else {
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None
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}
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}
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/// End the parse and clear the pending sequence
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pub fn quit_parse(&mut self) -> Option<ViCmd> {
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self.clear_cmd();
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None
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}
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pub fn try_parse(&mut self, ch: char) -> Option<ViCmd> {
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self.pending_seq.push(ch);
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let mut chars = self.pending_seq.chars().peekable();
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/*
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* Parse the register
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*
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* Registers can be any letter a-z or A-Z.
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* While uncommon, it is possible to give a count to a register name.
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*/
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let register = 'reg_parse: {
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let mut chars_clone = chars.clone();
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let count = self.parse_count(&mut chars_clone);
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let Some('"') = chars_clone.next() else {
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break 'reg_parse RegisterName::default();
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};
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let Some(reg_name) = chars_clone.next() else {
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return None; // Pending register name
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};
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match reg_name {
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'a'..='z' | 'A'..='Z' => { /* proceed */ }
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_ => return self.quit_parse(),
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}
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chars = chars_clone;
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RegisterName::new(Some(reg_name), count)
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};
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/*
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* We will now parse the verb
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* If we hit an invalid sequence, we will call 'return self.quit_parse()'
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* self.quit_parse() will clear the pending command and return None
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*
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* If we hit an incomplete sequence, we will simply return None.
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* returning None leaves the pending sequence where it is
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*
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* Note that we do use a label here for the block and 'return' values from
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* this scope using "break 'verb_parse <value>"
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*/
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let verb = 'verb_parse: {
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let mut chars_clone = chars.clone();
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let count = self.parse_count(&mut chars_clone).unwrap_or(1);
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let Some(ch) = chars_clone.next() else {
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break 'verb_parse None;
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};
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match ch {
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'g' => {
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if let Some(ch) = chars_clone.peek() {
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match ch {
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'v' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(1, Verb::VisualModeSelectLast)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'~' => {
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chars_clone.next();
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::ToggleCaseRange));
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}
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'u' => {
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chars_clone.next();
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::ToLower));
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}
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'U' => {
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chars_clone.next();
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::ToUpper));
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}
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'?' => {
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chars_clone.next();
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Rot13));
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}
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_ => break 'verb_parse None,
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}
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} else {
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break 'verb_parse None;
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}
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}
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'.' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::RepeatLast)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'x' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Delete)),
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motion: Some(MotionCmd(1, Motion::ForwardCharForced)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'X' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Delete)),
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motion: Some(MotionCmd(1, Motion::BackwardChar)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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's' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Change)),
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motion: Some(MotionCmd(1, Motion::ForwardChar)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'S' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Change)),
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motion: Some(MotionCmd(1, Motion::WholeLineExclusive)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'p' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Put(Anchor::After)));
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}
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'P' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Put(Anchor::Before)));
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}
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'>' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Indent));
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}
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'<' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Dedent));
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}
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'r' => {
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let ch = chars_clone.next()?;
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(1, Verb::ReplaceCharInplace(ch, count as u16))),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'R' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::ReplaceMode)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'~' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(1, Verb::ToggleCaseInplace(count as u16))),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'u' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Undo)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'v' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::VisualMode)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'V' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::VisualModeLine)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'o' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertModeLineBreak(Anchor::After))),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'O' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertModeLineBreak(Anchor::Before))),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'a' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertMode)),
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motion: Some(MotionCmd(1, Motion::ForwardChar)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'A' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertMode)),
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motion: Some(MotionCmd(1, Motion::EndOfLine)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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':' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::ExMode)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'i' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertMode)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'I' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertMode)),
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motion: Some(MotionCmd(1, Motion::BeginningOfFirstWord)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'J' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::JoinLines)),
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motion: None,
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'y' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Yank));
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}
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'd' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Delete));
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}
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'c' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Change));
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}
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'Y' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Yank)),
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motion: Some(MotionCmd(1, Motion::EndOfLine)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'D' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Delete)),
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motion: Some(MotionCmd(1, Motion::EndOfLine)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'C' => {
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return Some(ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Change)),
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motion: Some(MotionCmd(1, Motion::EndOfLine)),
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raw_seq: self.take_cmd(),
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flags: self.flags(),
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});
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}
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'=' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Equalize));
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}
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_ => break 'verb_parse None,
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}
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};
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let motion = 'motion_parse: {
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let mut chars_clone = chars.clone();
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let count = self.parse_count(&mut chars_clone).unwrap_or(1);
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let Some(ch) = chars_clone.next() else {
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break 'motion_parse None;
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};
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// Double inputs like 'dd' and 'cc', and some special cases
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match (ch, &verb) {
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// Double inputs
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('?', Some(VerbCmd(_, Verb::Rot13)))
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| ('d', Some(VerbCmd(_, Verb::Delete)))
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| ('y', Some(VerbCmd(_, Verb::Yank)))
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| ('=', Some(VerbCmd(_, Verb::Equalize)))
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| ('u', Some(VerbCmd(_, Verb::ToLower)))
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| ('U', Some(VerbCmd(_, Verb::ToUpper)))
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| ('~', Some(VerbCmd(_, Verb::ToggleCaseRange)))
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| ('>', Some(VerbCmd(_, Verb::Indent)))
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| ('<', Some(VerbCmd(_, Verb::Dedent))) => {
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break 'motion_parse Some(MotionCmd(count, Motion::WholeLineInclusive));
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}
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('c', Some(VerbCmd(_, Verb::Change))) => {
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break 'motion_parse Some(MotionCmd(count, Motion::WholeLineExclusive));
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}
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('W', Some(VerbCmd(_, Verb::Change))) => {
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// Same with 'W'
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break 'motion_parse Some(MotionCmd(
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count,
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Motion::WordMotion(To::End, Word::Big, Direction::Forward),
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));
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}
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_ => { /* Nothing weird, so let's continue */ }
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}
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match ch {
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'g' => {
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let Some(ch) = chars_clone.peek() else {
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break 'motion_parse None;
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};
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match ch {
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'g' => {
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chars_clone.next();
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::BeginningOfBuffer));
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}
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'e' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(
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count,
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Motion::WordMotion(To::End, Word::Normal, Direction::Backward),
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));
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}
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'E' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(
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count,
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Motion::WordMotion(To::End, Word::Big, Direction::Backward),
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));
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}
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'k' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::ScreenLineUp));
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}
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'j' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::ScreenLineDown));
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}
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'_' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::EndOfLastWord));
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}
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'0' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::BeginningOfScreenLine));
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}
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'^' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::FirstGraphicalOnScreenLine));
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}
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_ => return self.quit_parse(),
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}
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}
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']' => {
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let Some(ch) = chars_clone.peek() else {
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break 'motion_parse None;
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};
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match ch {
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')' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::ToParen(Direction::Forward)));
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}
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'}' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::ToBrace(Direction::Forward)));
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}
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_ => return self.quit_parse(),
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}
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}
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'[' => {
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let Some(ch) = chars_clone.peek() else {
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break 'motion_parse None;
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};
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match ch {
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'(' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::ToParen(Direction::Backward)));
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}
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'{' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::ToBrace(Direction::Backward)));
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}
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_ => return self.quit_parse(),
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}
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}
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'%' => {
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chars = chars_clone;
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break 'motion_parse Some(MotionCmd(count, Motion::ToDelimMatch));
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}
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'v' => {
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// We got 'v' after a verb
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// Instead of normal operations, we will calculate the span based on how visual
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// mode would see it
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if self
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.flags()
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.intersects(CmdFlags::VISUAL | CmdFlags::VISUAL_LINE | CmdFlags::VISUAL_BLOCK)
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{
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// We can't have more than one of these
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return self.quit_parse();
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}
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self.pending_flags |= CmdFlags::VISUAL;
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break 'motion_parse None;
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}
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'V' => {
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// We got 'V' after a verb
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// Instead of normal operations, we will calculate the span based on how visual
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// line mode would see it
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if self
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.flags()
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.intersects(CmdFlags::VISUAL | CmdFlags::VISUAL_LINE | CmdFlags::VISUAL_BLOCK)
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{
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// We can't have more than one of these
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// I know vim can technically do this, but it doesn't really make sense to allow
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// it since even in vim only the first one given is used
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return self.quit_parse();
|
|
}
|
|
self.pending_flags |= CmdFlags::VISUAL;
|
|
break 'motion_parse None;
|
|
}
|
|
// TODO: figure out how to include 'Ctrl+V' here, might need a refactor
|
|
'G' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::EndOfBuffer));
|
|
}
|
|
'f' => {
|
|
let Some(ch) = chars_clone.peek() else {
|
|
break 'motion_parse None;
|
|
};
|
|
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::CharSearch(Direction::Forward, Dest::On, *ch),
|
|
));
|
|
}
|
|
'F' => {
|
|
let Some(ch) = chars_clone.peek() else {
|
|
break 'motion_parse None;
|
|
};
|
|
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::CharSearch(Direction::Backward, Dest::On, *ch),
|
|
));
|
|
}
|
|
't' => {
|
|
let Some(ch) = chars_clone.peek() else {
|
|
break 'motion_parse None;
|
|
};
|
|
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::CharSearch(Direction::Forward, Dest::Before, *ch),
|
|
));
|
|
}
|
|
'T' => {
|
|
let Some(ch) = chars_clone.peek() else {
|
|
break 'motion_parse None;
|
|
};
|
|
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::CharSearch(Direction::Backward, Dest::Before, *ch),
|
|
));
|
|
}
|
|
';' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::RepeatMotion));
|
|
}
|
|
',' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::RepeatMotionRev));
|
|
}
|
|
'|' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::ToColumn));
|
|
}
|
|
'^' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BeginningOfFirstWord));
|
|
}
|
|
'0' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BeginningOfLine));
|
|
}
|
|
'$' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::EndOfLine));
|
|
}
|
|
'k' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::LineUp));
|
|
}
|
|
'j' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::LineDown));
|
|
}
|
|
'h' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BackwardChar));
|
|
}
|
|
'l' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::ForwardChar));
|
|
}
|
|
'w' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::WordMotion(To::Start, Word::Normal, Direction::Forward),
|
|
));
|
|
}
|
|
'W' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::WordMotion(To::Start, Word::Big, Direction::Forward),
|
|
));
|
|
}
|
|
'e' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::WordMotion(To::End, Word::Normal, Direction::Forward),
|
|
));
|
|
}
|
|
'E' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::WordMotion(To::End, Word::Big, Direction::Forward),
|
|
));
|
|
}
|
|
'b' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::WordMotion(To::Start, Word::Normal, Direction::Backward),
|
|
));
|
|
}
|
|
'B' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::WordMotion(To::Start, Word::Big, Direction::Backward),
|
|
));
|
|
}
|
|
')' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::TextObj(TextObj::Sentence(Direction::Forward)),
|
|
));
|
|
}
|
|
'(' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::TextObj(TextObj::Sentence(Direction::Backward)),
|
|
));
|
|
}
|
|
'}' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::TextObj(TextObj::Paragraph(Direction::Forward)),
|
|
));
|
|
}
|
|
'{' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(
|
|
count,
|
|
Motion::TextObj(TextObj::Paragraph(Direction::Backward)),
|
|
));
|
|
}
|
|
ch if ch == 'i' || ch == 'a' => {
|
|
let bound = match ch {
|
|
'i' => Bound::Inside,
|
|
'a' => Bound::Around,
|
|
_ => unreachable!(),
|
|
};
|
|
if chars_clone.peek().is_none() {
|
|
break 'motion_parse None;
|
|
}
|
|
let obj = match chars_clone.next().unwrap() {
|
|
'w' => TextObj::Word(Word::Normal, bound),
|
|
'W' => TextObj::Word(Word::Big, bound),
|
|
's' => TextObj::WholeSentence(bound),
|
|
'p' => TextObj::WholeParagraph(bound),
|
|
'"' => TextObj::DoubleQuote(bound),
|
|
'\'' => TextObj::SingleQuote(bound),
|
|
'`' => TextObj::BacktickQuote(bound),
|
|
'(' | ')' | 'b' => TextObj::Paren(bound),
|
|
'{' | '}' | 'B' => TextObj::Brace(bound),
|
|
'[' | ']' => TextObj::Bracket(bound),
|
|
'<' | '>' => TextObj::Angle(bound),
|
|
_ => return self.quit_parse(),
|
|
};
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::TextObj(obj)));
|
|
}
|
|
_ => return self.quit_parse(),
|
|
}
|
|
};
|
|
|
|
let _ = chars; // suppresses unused warnings, creates an error if we decide to use chars later
|
|
|
|
let verb_ref = verb.as_ref().map(|v| &v.1);
|
|
let motion_ref = motion.as_ref().map(|m| &m.1);
|
|
|
|
match self.validate_combination(verb_ref, motion_ref) {
|
|
CmdState::Complete => Some(ViCmd {
|
|
register,
|
|
verb,
|
|
motion,
|
|
raw_seq: std::mem::take(&mut self.pending_seq),
|
|
flags: self.flags(),
|
|
}),
|
|
CmdState::Pending => None,
|
|
CmdState::Invalid => {
|
|
self.pending_seq.clear();
|
|
None
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl ViMode for ViNormal {
|
|
fn handle_key(&mut self, key: E) -> Option<ViCmd> {
|
|
let mut cmd: Option<ViCmd> = match key {
|
|
E(K::Char('V'), M::NONE) => Some(ViCmd {
|
|
register: Default::default(),
|
|
verb: Some(VerbCmd(1, Verb::VisualModeLine)),
|
|
motion: None,
|
|
raw_seq: "".into(),
|
|
flags: self.flags(),
|
|
}),
|
|
E(K::ExMode, _) => {
|
|
return Some(ViCmd {
|
|
register: Default::default(),
|
|
verb: Some(VerbCmd(1, Verb::ExMode)),
|
|
motion: None,
|
|
raw_seq: self.take_cmd(),
|
|
flags: self.flags(),
|
|
});
|
|
}
|
|
E(K::Char('A'), M::CTRL) => {
|
|
let count = self
|
|
.parse_count(&mut self.pending_seq.chars().peekable())
|
|
.unwrap_or(1) as u16;
|
|
self.pending_seq.clear();
|
|
Some(ViCmd {
|
|
register: Default::default(),
|
|
verb: Some(VerbCmd(1, Verb::IncrementNumber(count))),
|
|
motion: None,
|
|
raw_seq: "".into(),
|
|
flags: self.flags(),
|
|
})
|
|
}
|
|
E(K::Char('X'), M::CTRL) => {
|
|
let count = self
|
|
.parse_count(&mut self.pending_seq.chars().peekable())
|
|
.unwrap_or(1) as u16;
|
|
self.pending_seq.clear();
|
|
Some(ViCmd {
|
|
register: Default::default(),
|
|
verb: Some(VerbCmd(1, Verb::DecrementNumber(count))),
|
|
motion: None,
|
|
raw_seq: "".into(),
|
|
flags: self.flags(),
|
|
})
|
|
}
|
|
|
|
E(K::Char(ch), M::NONE) => self.try_parse(ch),
|
|
E(K::Backspace, M::NONE) => Some(ViCmd {
|
|
register: Default::default(),
|
|
verb: None,
|
|
motion: Some(MotionCmd(1, Motion::BackwardChar)),
|
|
raw_seq: "".into(),
|
|
flags: self.flags(),
|
|
}),
|
|
E(K::Char('R'), M::CTRL) => {
|
|
let mut chars = self.pending_seq.chars().peekable();
|
|
let count = self.parse_count(&mut chars).unwrap_or(1);
|
|
Some(ViCmd {
|
|
register: RegisterName::default(),
|
|
verb: Some(VerbCmd(count, Verb::Redo)),
|
|
motion: None,
|
|
raw_seq: self.take_cmd(),
|
|
flags: self.flags(),
|
|
})
|
|
}
|
|
E(K::Esc, M::NONE) => {
|
|
self.clear_cmd();
|
|
None
|
|
}
|
|
_ => {
|
|
if let Some(cmd) = common_cmds(key) {
|
|
self.clear_cmd();
|
|
Some(cmd)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
};
|
|
|
|
if let Some(cmd) = cmd.as_mut() {
|
|
cmd.normalize_counts();
|
|
};
|
|
cmd
|
|
}
|
|
|
|
fn is_repeatable(&self) -> bool {
|
|
false
|
|
}
|
|
|
|
fn as_replay(&self) -> Option<CmdReplay> {
|
|
None
|
|
}
|
|
|
|
fn cursor_style(&self) -> String {
|
|
"\x1b[2 q".to_string()
|
|
}
|
|
|
|
fn pending_seq(&self) -> Option<String> {
|
|
Some(self.pending_seq.clone())
|
|
}
|
|
|
|
fn move_cursor_on_undo(&self) -> bool {
|
|
false
|
|
}
|
|
fn clamp_cursor(&self) -> bool {
|
|
true
|
|
}
|
|
fn hist_scroll_start_pos(&self) -> Option<To> {
|
|
None
|
|
}
|
|
fn report_mode(&self) -> ModeReport {
|
|
ModeReport::Normal
|
|
}
|
|
}
|