diff options
Diffstat (limited to '')
| -rw-r--r-- | src/construct/code_fenced.rs | 68 |
1 files changed, 42 insertions, 26 deletions
diff --git a/src/construct/code_fenced.rs b/src/construct/code_fenced.rs index 30ec911..f79705c 100644 --- a/src/construct/code_fenced.rs +++ b/src/construct/code_fenced.rs @@ -99,11 +99,49 @@ use crate::util::span::from_exit_event; #[derive(Debug, Clone, PartialEq)] pub enum Kind { /// Grave accent (tick) code. + /// + /// ## Example + /// + /// ````markdown + /// ```rust + /// println!("I <3 🦀"); + /// ``` + /// ```` GraveAccent, /// Tilde code. + /// + /// ## Example + /// + /// ```markdown + /// ~~~rust + /// println!("I <3 🦀"); + /// ~~~ + /// ``` Tilde, } +impl Kind { + /// Turn the kind into a [char]. + fn as_char(&self) -> char { + match self { + Kind::GraveAccent => '`', + Kind::Tilde => '~', + } + } + /// Turn a [char] into a kind. + /// + /// ## Panics + /// + /// Panics if `char` is not `~` or `` ` ``. + fn from_char(char: char) -> Kind { + match char { + '`' => Kind::GraveAccent, + '~' => Kind::Tilde, + _ => unreachable!("invalid char"), + } + } +} + /// State needed to parse code (fenced). #[derive(Debug, Clone)] struct Info { @@ -160,11 +198,7 @@ fn before_sequence_open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult Info { prefix, size: 0, - kind: if char == '`' { - Kind::GraveAccent - } else { - Kind::Tilde - }, + kind: Kind::from_char(char), }, ) } @@ -180,14 +214,8 @@ fn before_sequence_open(tokenizer: &mut Tokenizer, code: Code) -> StateFnResult /// ~~~ /// ``` fn sequence_open(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult { - let marker = if info.kind == Kind::GraveAccent { - '`' - } else { - '~' - }; - match code { - Code::Char(char) if char == marker => { + Code::Char(char) if char == info.kind.as_char() => { tokenizer.consume(code); ( State::Fn(Box::new(|t, c| { @@ -375,14 +403,8 @@ fn close_start(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResu /// |~~~ /// ``` fn close_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnResult { - let marker = if info.kind == Kind::GraveAccent { - '`' - } else { - '~' - }; - match code { - Code::Char(char) if char == marker => { + Code::Char(char) if char == info.kind.as_char() => { tokenizer.enter(TokenType::CodeFencedFenceSequence); close_sequence(tokenizer, code, info, 0) } @@ -398,14 +420,8 @@ fn close_before(tokenizer: &mut Tokenizer, code: Code, info: Info) -> StateFnRes /// ~|~~ /// ``` fn close_sequence(tokenizer: &mut Tokenizer, code: Code, info: Info, size: usize) -> StateFnResult { - let marker = if info.kind == Kind::GraveAccent { - '`' - } else { - '~' - }; - match code { - Code::Char(char) if char == marker => { + Code::Char(char) if char == info.kind.as_char() => { tokenizer.consume(code); ( State::Fn(Box::new(move |t, c| close_sequence(t, c, info, size + 1))), |