aboutsummaryrefslogtreecommitdiff
path: root/vendor/anstyle-parse/src/state/definitions.rs
diff options
context:
space:
mode:
authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/anstyle-parse/src/state/definitions.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/anstyle-parse/src/state/definitions.rs')
-rw-r--r--vendor/anstyle-parse/src/state/definitions.rs169
1 files changed, 0 insertions, 169 deletions
diff --git a/vendor/anstyle-parse/src/state/definitions.rs b/vendor/anstyle-parse/src/state/definitions.rs
deleted file mode 100644
index c4e7673..0000000
--- a/vendor/anstyle-parse/src/state/definitions.rs
+++ /dev/null
@@ -1,169 +0,0 @@
-use core::mem;
-
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-#[repr(u8)]
-#[derive(Default)]
-pub enum State {
- Anywhere = 0,
- CsiEntry = 1,
- CsiIgnore = 2,
- CsiIntermediate = 3,
- CsiParam = 4,
- DcsEntry = 5,
- DcsIgnore = 6,
- DcsIntermediate = 7,
- DcsParam = 8,
- DcsPassthrough = 9,
- Escape = 10,
- EscapeIntermediate = 11,
- #[default]
- Ground = 12,
- OscString = 13,
- SosPmApcString = 14,
- Utf8 = 15,
-}
-
-impl TryFrom<u8> for State {
- type Error = u8;
-
- #[inline(always)]
- fn try_from(raw: u8) -> Result<Self, Self::Error> {
- STATES.get(raw as usize).ok_or(raw).copied()
- }
-}
-
-const STATES: [State; 16] = [
- State::Anywhere,
- State::CsiEntry,
- State::CsiIgnore,
- State::CsiIntermediate,
- State::CsiParam,
- State::DcsEntry,
- State::DcsIgnore,
- State::DcsIntermediate,
- State::DcsParam,
- State::DcsPassthrough,
- State::Escape,
- State::EscapeIntermediate,
- State::Ground,
- State::OscString,
- State::SosPmApcString,
- State::Utf8,
-];
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-#[repr(u8)]
-#[derive(Default)]
-pub enum Action {
- #[default]
- Nop = 0,
- Clear = 1,
- Collect = 2,
- CsiDispatch = 3,
- EscDispatch = 4,
- Execute = 5,
- Hook = 6,
- Ignore = 7,
- OscEnd = 8,
- OscPut = 9,
- OscStart = 10,
- Param = 11,
- Print = 12,
- Put = 13,
- Unhook = 14,
- BeginUtf8 = 15,
-}
-
-impl TryFrom<u8> for Action {
- type Error = u8;
-
- #[inline(always)]
- fn try_from(raw: u8) -> Result<Self, Self::Error> {
- ACTIONS.get(raw as usize).ok_or(raw).copied()
- }
-}
-
-const ACTIONS: [Action; 16] = [
- Action::Nop,
- Action::Clear,
- Action::Collect,
- Action::CsiDispatch,
- Action::EscDispatch,
- Action::Execute,
- Action::Hook,
- Action::Ignore,
- Action::OscEnd,
- Action::OscPut,
- Action::OscStart,
- Action::Param,
- Action::Print,
- Action::Put,
- Action::Unhook,
- Action::BeginUtf8,
-];
-
-/// Unpack a u8 into a State and Action
-///
-/// The implementation of this assumes that there are *precisely* 16 variants for both Action and
-/// State. Furthermore, it assumes that the enums are tag-only; that is, there is no data in any
-/// variant.
-///
-/// Bad things will happen if those invariants are violated.
-#[inline(always)]
-pub const fn unpack(delta: u8) -> (State, Action) {
- unsafe {
- (
- // State is stored in bottom 4 bits
- mem::transmute(delta & 0x0f),
- // Action is stored in top 4 bits
- mem::transmute(delta >> 4),
- )
- }
-}
-
-#[inline(always)]
-#[cfg(test)]
-pub const fn pack(state: State, action: Action) -> u8 {
- (action as u8) << 4 | state as u8
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- #[test]
- fn unpack_state_action() {
- match unpack(0xee) {
- (State::SosPmApcString, Action::Unhook) => (),
- _ => panic!("unpack failed"),
- }
-
- match unpack(0x0f) {
- (State::Utf8, Action::Nop) => (),
- _ => panic!("unpack failed"),
- }
-
- match unpack(0xff) {
- (State::Utf8, Action::BeginUtf8) => (),
- _ => panic!("unpack failed"),
- }
- }
-
- #[test]
- fn pack_state_action() {
- match unpack(0xee) {
- (State::SosPmApcString, Action::Unhook) => (),
- _ => panic!("unpack failed"),
- }
-
- match unpack(0x0f) {
- (State::Utf8, Action::Nop) => (),
- _ => panic!("unpack failed"),
- }
-
- match unpack(0xff) {
- (State::Utf8, Action::BeginUtf8) => (),
- _ => panic!("unpack failed"),
- }
- }
-}