Refactor some code

10 files changed, 39 insertions, 25 deletions

diff --git a/src/construct/autolink.rs b/src/construct/autolink.rs
index 0819f3a..e8f30fb 100644
--- a/src/construct/autolink.rs
+++ b/src/construct/autolink.rs
@@ -126,7 +126,7 @@ use crate::state::{Name as StateName, State};
 use crate::tokenizer::Tokenizer;
 use crate::util::constant::{AUTOLINK_DOMAIN_SIZE_MAX, AUTOLINK_SCHEME_SIZE_MAX};
 
-/// Start of autolink.
+/// Start of an autolink.
 ///
 /// ```markdown
 /// > | a<https://example.com>b
@@ -205,8 +205,8 @@ pub fn scheme_inside_or_email_atext(tokenizer: &mut Tokenizer) -> State {
         Some(b'+' | b'-' | b'.' | b'0'..=b'9' | b'A'..=b'Z' | b'a'..=b'z')
             if tokenizer.tokenize_state.size < AUTOLINK_SCHEME_SIZE_MAX =>
         {
-            tokenizer.tokenize_state.size += 1;
             tokenizer.consume();
+            tokenizer.tokenize_state.size += 1;
             State::Next(StateName::AutolinkSchemeInsideOrEmailAtext)
         }
         _ => {
@@ -305,12 +305,11 @@ pub fn email_at_sign_or_dot(tokenizer: &mut Tokenizer) -> State {
 pub fn email_label(tokenizer: &mut Tokenizer) -> State {
     match tokenizer.current {
         Some(b'.') => {
-            tokenizer.tokenize_state.size = 0;
             tokenizer.consume();
+            tokenizer.tokenize_state.size = 0;
             State::Next(StateName::AutolinkEmailAtSignOrDot)
         }
         Some(b'>') => {
-            tokenizer.tokenize_state.size = 0;
             let index = tokenizer.events.len();
             tokenizer.exit(Name::AutolinkProtocol);
             // Change the event name.
@@ -320,6 +319,7 @@ pub fn email_label(tokenizer: &mut Tokenizer) -> State {
             tokenizer.consume();
             tokenizer.exit(Name::AutolinkMarker);
             tokenizer.exit(Name::Autolink);
+            tokenizer.tokenize_state.size = 0;
             State::Ok
         }
         _ => State::Retry(StateName::AutolinkEmailValue),
diff --git a/src/construct/content.rs b/src/construct/content.rs
index 6c10cea..e29dac9 100644
--- a/src/construct/content.rs
+++ b/src/construct/content.rs
@@ -30,7 +30,7 @@ use crate::subtokenize::{subtokenize, Subresult};
 use crate::tokenizer::Tokenizer;
 use alloc::{string::String, vec};
 
-/// Before a content content.
+/// Before a content chunk.
 ///
 /// ```markdown
 /// > | abc
diff --git a/src/construct/html_flow.rs b/src/construct/html_flow.rs
index 3de70de..c994ec7 100644
--- a/src/construct/html_flow.rs
+++ b/src/construct/html_flow.rs
@@ -197,8 +197,8 @@ pub fn open(tokenizer: &mut Tokenizer) -> State {
             State::Next(StateName::HtmlFlowTagCloseStart)
         }
         Some(b'?') => {
-            tokenizer.tokenize_state.marker = INSTRUCTION;
             tokenizer.consume();
+            tokenizer.tokenize_state.marker = INSTRUCTION;
             // Do not form containers.
             tokenizer.concrete = true;
             // While we’re in an instruction instead of a declaration, we’re on a `?`
@@ -273,8 +273,8 @@ pub fn comment_open_inside(tokenizer: &mut Tokenizer) -> State {
 /// ```
 pub fn cdata_open_inside(tokenizer: &mut Tokenizer) -> State {
     if tokenizer.current == Some(HTML_CDATA_PREFIX[tokenizer.tokenize_state.size]) {
-        tokenizer.tokenize_state.size += 1;
         tokenizer.consume();
+        tokenizer.tokenize_state.size += 1;
 
         if tokenizer.tokenize_state.size == HTML_CDATA_PREFIX.len() {
             tokenizer.tokenize_state.size = 0;
@@ -531,8 +531,8 @@ pub fn complete_attribute_value_before(tokenizer: &mut Tokenizer) -> State {
 /// ```
 pub fn complete_attribute_value_quoted(tokenizer: &mut Tokenizer) -> State {
     if tokenizer.current == Some(tokenizer.tokenize_state.marker_b) {
-        tokenizer.tokenize_state.marker_b = 0;
         tokenizer.consume();
+        tokenizer.tokenize_state.marker_b = 0;
         State::Next(StateName::HtmlFlowCompleteAttributeValueQuotedAfter)
     } else if matches!(tokenizer.current, None | Some(b'\n')) {
         tokenizer.tokenize_state.marker = 0;
@@ -640,8 +640,7 @@ pub fn continuation(tokenizer: &mut Tokenizer) -> State {
     } else if tokenizer.tokenize_state.marker == CDATA && tokenizer.current == Some(b']') {
         tokenizer.consume();
         State::Next(StateName::HtmlFlowContinuationCdataInside)
-    } else if (tokenizer.tokenize_state.marker == BASIC
-        || tokenizer.tokenize_state.marker == COMPLETE)
+    } else if matches!(tokenizer.tokenize_state.marker, BASIC | COMPLETE)
         && tokenizer.current == Some(b'\n')
     {
         tokenizer.exit(Name::HtmlFlowData);
diff --git a/src/construct/html_text.rs b/src/construct/html_text.rs
index 7812da6..025d498 100644
--- a/src/construct/html_text.rs
+++ b/src/construct/html_text.rs
@@ -57,7 +57,7 @@ use crate::state::{Name as StateName, State};
 use crate::tokenizer::Tokenizer;
 use crate::util::constant::HTML_CDATA_PREFIX;
 
-/// Start of HTML (text)
+/// Start of HTML (text).
 ///
 /// ```markdown
 /// > | a <b> c
@@ -606,7 +606,7 @@ pub fn tag_open_attribute_value_unquoted(tokenizer: &mut Tokenizer) -> State {
 /// ```
 pub fn tag_open_attribute_value_quoted_after(tokenizer: &mut Tokenizer) -> State {
     match tokenizer.current {
-        Some(b'\t' | b'\n' | b' ' | b'>' | b'/') => State::Retry(StateName::HtmlTextTagOpenBetween),
+        Some(b'\t' | b'\n' | b' ' | b'/' | b'>') => State::Retry(StateName::HtmlTextTagOpenBetween),
         _ => State::Nok,
     }
 }
diff --git a/src/construct/label_end.rs b/src/construct/label_end.rs
index f47920c..1c5e0bd 100644
--- a/src/construct/label_end.rs
+++ b/src/construct/label_end.rs
@@ -529,7 +529,7 @@ pub fn resource_title_after(tokenizer: &mut Tokenizer) -> State {
 
     if matches!(tokenizer.current, Some(b'\t' | b'\n' | b' ')) {
         tokenizer.attempt(
-            State::Next(StateName::LabelEndResourceBetween),
+            State::Next(StateName::LabelEndResourceEnd),
             State::Next(StateName::LabelEndResourceEnd),
         );
         State::Retry(space_or_tab_eol(tokenizer))
@@ -571,7 +571,7 @@ pub fn reference_full(tokenizer: &mut Tokenizer) -> State {
             tokenizer.tokenize_state.token_3 = Name::ReferenceString;
             tokenizer.attempt(
                 State::Next(StateName::LabelEndReferenceFullAfter),
-                State::Nok,
+                State::Next(StateName::LabelEndReferenceFullMissing)
             );
             State::Retry(StateName::LabelStart)
         }
@@ -615,6 +615,19 @@ pub fn reference_full_after(tokenizer: &mut Tokenizer) -> State {
     }
 }
 
+/// In reference (full) that was missing.
+///
+/// ```markdown
+/// > | [a][b d
+///        ^
+/// ```
+pub fn reference_full_missing(tokenizer: &mut Tokenizer) -> State {
+    tokenizer.tokenize_state.token_1 = Name::Data;
+    tokenizer.tokenize_state.token_2 = Name::Data;
+    tokenizer.tokenize_state.token_3 = Name::Data;
+    State::Nok
+}
+
 /// In reference (collapsed), at `[`.
 ///
 /// > 👉 **Note**: we only get here if the label is defined.
diff --git a/src/construct/label_start_image.rs b/src/construct/label_start_image.rs
index 4511794..784c264 100644
--- a/src/construct/label_start_image.rs
+++ b/src/construct/label_start_image.rs
@@ -68,6 +68,7 @@ pub fn open(tokenizer: &mut Tokenizer) -> State {
             tokenizer.enter(Name::LabelMarker);
             tokenizer.consume();
             tokenizer.exit(Name::LabelMarker);
+            tokenizer.exit(Name::LabelImage);
             State::Next(StateName::LabelStartImageAfter)
         }
         _ => State::Nok,
@@ -107,7 +108,6 @@ pub fn after(tokenizer: &mut Tokenizer) -> State {
     {
         State::Nok
     } else {
-        tokenizer.exit(Name::LabelImage);
         tokenizer.tokenize_state.label_starts.push(LabelStart {
             kind: LabelKind::Image,
             start: (tokenizer.events.len() - 6, tokenizer.events.len() - 1),
diff --git a/src/construct/raw_flow.rs b/src/construct/raw_flow.rs
index 549c40d..15c6865 100644
--- a/src/construct/raw_flow.rs
+++ b/src/construct/raw_flow.rs
@@ -434,7 +434,7 @@ pub fn meta(tokenizer: &mut Tokenizer) -> State {
     }
 }
 
-/// At eol/eof in code, before a non-lazy closing fence or content.
+/// At eol/eof in raw, before a non-lazy closing fence or content.
 ///
 /// ```markdown
 /// > | ~~~js
@@ -552,7 +552,7 @@ pub fn sequence_close_after(tokenizer: &mut Tokenizer) -> State {
     }
 }
 
-/// Before closing fence, at eol.
+/// Before raw content, not a closing fence, at eol.
 ///
 /// ```markdown
 ///   | ~~~js
@@ -567,7 +567,7 @@ pub fn content_before(tokenizer: &mut Tokenizer) -> State {
     State::Next(StateName::RawFlowContentStart)
 }
 
-/// Before code content, definitely not before a closing fence.
+/// Before raw content, not a closing fence.
 ///
 /// ```markdown
 ///   | ~~~js
@@ -591,7 +591,7 @@ pub fn content_start(tokenizer: &mut Tokenizer) -> State {
     }
 }
 
-/// Before code content, after optional prefix.
+/// Before raw content, after optional prefix.
 ///
 /// ```markdown
 ///   | ~~~js
@@ -615,7 +615,7 @@ pub fn before_content_chunk(tokenizer: &mut Tokenizer) -> State {
     }
 }
 
-/// In code content.
+/// In raw content.
 ///
 /// ```markdown
 ///   | ~~~js
diff --git a/src/construct/raw_text.rs b/src/construct/raw_text.rs
index 9d5fdea..f8ee1c1 100644
--- a/src/construct/raw_text.rs
+++ b/src/construct/raw_text.rs
@@ -185,7 +185,7 @@ pub fn sequence_open(tokenizer: &mut Tokenizer) -> State {
     }
 }
 
-/// Between something and something else
+/// Between something and something else.
 ///
 /// ```markdown
 /// > | `a`
diff --git a/src/state.rs b/src/state.rs
index b013c39..427a388 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -316,6 +316,7 @@ pub enum Name {
     LabelEndNok,
     LabelEndReferenceFull,
     LabelEndReferenceFullAfter,
+    LabelEndReferenceFullMissing,
     LabelEndReferenceNotFull,
     LabelEndReferenceCollapsed,
     LabelEndReferenceCollapsedOpen,
@@ -801,6 +802,7 @@ pub fn call(tokenizer: &mut Tokenizer, name: Name) -> State {
         Name::LabelEndNok => construct::label_end::nok,
         Name::LabelEndReferenceFull => construct::label_end::reference_full,
         Name::LabelEndReferenceFullAfter => construct::label_end::reference_full_after,
+        Name::LabelEndReferenceFullMissing => construct::label_end::reference_full_missing,
         Name::LabelEndReferenceNotFull => construct::label_end::reference_not_full,
         Name::LabelEndReferenceCollapsed => construct::label_end::reference_collapsed,
         Name::LabelEndReferenceCollapsedOpen => construct::label_end::reference_collapsed_open,
diff --git a/src/util/character_reference.rs b/src/util/character_reference.rs
index f28c135..c6d1797 100644
--- a/src/util/character_reference.rs
+++ b/src/util/character_reference.rs
@@ -15,7 +15,7 @@ use core::str;
 /// [`CHARACTER_REFERENCES`][] (or [`CHARACTER_REFERENCES_HTML_4`][]) and then
 /// takes the corresponding value from `1`.
 ///
-/// The `html5` boolean us used for named character references, and specifier
+/// The `html5` boolean is used for named character references, and specifier
 /// whether the 2125 names from HTML 5 or the 252 names from HTML 4 are
 /// supported.
 ///
@@ -82,9 +82,9 @@ pub fn decode_named(value: &str, html5: bool) -> Option<String> {
 pub fn decode_numeric(value: &str, radix: u32) -> String {
     if let Some(char) = char::from_u32(u32::from_str_radix(value, radix).unwrap()) {
         if !matches!(char,
-            // C0 except for HT, LF, FF, CR, space
+            // C0 except for HT, LF, FF, CR, space.
             '\0'..='\u{08}' | '\u{0B}' | '\u{0E}'..='\u{1F}' |
-            // Control character (DEL) of c0, and C1 controls.
+            // Control character (DEL) of C0, and C1 controls.
             '\u{7F}'..='\u{9F}'
             // Lone surrogates, noncharacters, and out of range are handled by
             // Rust.
@@ -104,7 +104,7 @@ pub fn decode_numeric(value: &str, radix: u32) -> String {
 /// The marker specifies the format: `#` for hexadecimal, `x` for decimal, and
 /// `&` for named.
 ///
-/// The `html5` boolean us used for named character references, and specifier
+/// The `html5` boolean is used for named character references, and specifier
 /// whether the 2125 names from HTML 5 or the 252 names from HTML 4 are
 /// supported.
 ///