aboutsummaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorLibravatar Titus Wormer <tituswormer@gmail.com>2022-09-07 11:07:41 +0200
committerLibravatar Titus Wormer <tituswormer@gmail.com>2022-09-07 11:07:41 +0200
commite6018e52ee6ad9a8f8a0672b75bf515faf74af1f (patch)
treeca556a799ed20ef2d9e0ae9109a9b7819da02c6c /src
parent6af582ee16d9c54c9719144caabc7705a324c40b (diff)
downloadmarkdown-rs-e6018e52ee6ad9a8f8a0672b75bf515faf74af1f.tar.gz
markdown-rs-e6018e52ee6ad9a8f8a0672b75bf515faf74af1f.tar.bz2
markdown-rs-e6018e52ee6ad9a8f8a0672b75bf515faf74af1f.zip
Add support for unicode identifiers in JSX
Diffstat (limited to 'src')
-rw-r--r--src/construct/mdx_jsx_text.rs119
1 files changed, 95 insertions, 24 deletions
diff --git a/src/construct/mdx_jsx_text.rs b/src/construct/mdx_jsx_text.rs
index 7a33499..deeb3e9 100644
--- a/src/construct/mdx_jsx_text.rs
+++ b/src/construct/mdx_jsx_text.rs
@@ -4,12 +4,16 @@ use crate::construct::partial_space_or_tab_eol::space_or_tab_eol;
use crate::event::Name;
use crate::state::{Name as StateName, State};
use crate::tokenizer::Tokenizer;
-use crate::util::{classify_character::Kind as CharacterKind, slice::byte_to_kind};
+use crate::util::{
+ classify_character::Kind as CharacterKind,
+ slice::{byte_to_kind, char_after_index},
+};
use alloc::{
format,
string::{String, ToString},
};
use core::str;
+use unicode_id::UnicodeID;
/// Start of MDX: JSX (text).
///
@@ -73,7 +77,9 @@ pub fn name_before(tokenizer: &mut Tokenizer) -> State {
Some(b'>') => State::Retry(StateName::MdxJsxTextTagEnd),
_ => {
// To do: unicode.
- if id_start(tokenizer.current) {
+ let char_opt = char_after_index(tokenizer.parse_state.bytes, tokenizer.point.index);
+
+ if id_start(char_opt) {
tokenizer.enter(Name::MdxJsxTextTagName);
tokenizer.enter(Name::MdxJsxTextTagNamePrimary);
tokenizer.consume();
@@ -111,7 +117,9 @@ pub fn closing_tag_name_before(tokenizer: &mut Tokenizer) -> State {
// Start of a closing tag name.
_ => {
// To do: unicode.
- if id_start(tokenizer.current) {
+ let char_opt = char_after_index(tokenizer.parse_state.bytes, tokenizer.point.index);
+
+ if id_start(char_opt) {
tokenizer.enter(Name::MdxJsxTextTagName);
tokenizer.enter(Name::MdxJsxTextTagNamePrimary);
tokenizer.consume();
@@ -153,8 +161,14 @@ pub fn primary_name(tokenizer: &mut Tokenizer) -> State {
State::Retry(StateName::MdxJsxTextEsWhitespaceStart)
}
// Continuation of name: remain.
+ // Allow continuation bytes.
// To do: unicode.
- else if matches!(tokenizer.current, Some(b'-')) || id_cont(tokenizer.current) {
+ else if matches!(tokenizer.current, Some(0x80..=0xBF))
+ || id_cont(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
+ {
tokenizer.consume();
State::Next(StateName::MdxJsxTextPrimaryName)
} else {
@@ -207,7 +221,11 @@ pub fn primary_name_after(tokenizer: &mut Tokenizer) -> State {
}
// End of name.
_ => {
- if matches!(tokenizer.current, Some(b'/' | b'>' | b'{')) || id_start(tokenizer.current)
+ if matches!(tokenizer.current, Some(b'/' | b'>' | b'{'))
+ || id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
{
tokenizer.exit(Name::MdxJsxTextTagName);
State::Retry(StateName::MdxJsxTextAttributeBefore)
@@ -230,7 +248,10 @@ pub fn primary_name_after(tokenizer: &mut Tokenizer) -> State {
/// ```
pub fn member_name_before(tokenizer: &mut Tokenizer) -> State {
// Start of a member name.
- if id_start(tokenizer.current) {
+ if id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ )) {
tokenizer.enter(Name::MdxJsxTextTagNameMember);
tokenizer.consume();
State::Next(StateName::MdxJsxTextMemberName)
@@ -264,7 +285,12 @@ pub fn member_name(tokenizer: &mut Tokenizer) -> State {
}
// Continuation of name: remain.
// To do: unicode.
- else if matches!(tokenizer.current, Some(b'-')) || id_cont(tokenizer.current) {
+ else if matches!(tokenizer.current, Some(0x80..=0xBF))
+ || id_cont(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
+ {
tokenizer.consume();
State::Next(StateName::MdxJsxTextMemberName)
} else {
@@ -306,7 +332,11 @@ pub fn member_name_after(tokenizer: &mut Tokenizer) -> State {
}
// End of name.
_ => {
- if matches!(tokenizer.current, Some(b'/' | b'>' | b'{')) || id_start(tokenizer.current)
+ if matches!(tokenizer.current, Some(b'/' | b'>' | b'{'))
+ || id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
{
tokenizer.exit(Name::MdxJsxTextTagName);
State::Retry(StateName::MdxJsxTextAttributeBefore)
@@ -329,7 +359,10 @@ pub fn member_name_after(tokenizer: &mut Tokenizer) -> State {
/// ```
pub fn local_name_before(tokenizer: &mut Tokenizer) -> State {
// Start of a local name.
- if id_start(tokenizer.current) {
+ if id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ )) {
tokenizer.enter(Name::MdxJsxTextTagNameLocal);
tokenizer.consume();
State::Next(StateName::MdxJsxTextLocalName)
@@ -366,7 +399,12 @@ pub fn local_name(tokenizer: &mut Tokenizer) -> State {
}
// Continuation of name: remain.
// To do: unicode.
- else if matches!(tokenizer.current, Some(b'-')) || id_cont(tokenizer.current) {
+ else if matches!(tokenizer.current, Some(0x80..=0xBF))
+ || id_cont(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
+ {
tokenizer.consume();
State::Next(StateName::MdxJsxTextLocalName)
} else {
@@ -391,7 +429,12 @@ pub fn local_name(tokenizer: &mut Tokenizer) -> State {
/// ```
pub fn local_name_after(tokenizer: &mut Tokenizer) -> State {
// End of name.
- if matches!(tokenizer.current, Some(b'/' | b'>' | b'{')) || id_start(tokenizer.current) {
+ if matches!(tokenizer.current, Some(b'/' | b'>' | b'{'))
+ || id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
+ {
tokenizer.exit(Name::MdxJsxTextTagName);
State::Retry(StateName::MdxJsxTextAttributeBefore)
} else {
@@ -431,7 +474,10 @@ pub fn attribute_before(tokenizer: &mut Tokenizer) -> State {
Some(b'{') => unreachable!("to do: attribute expression"),
_ => {
// Start of an attribute name.
- if id_start(tokenizer.current) {
+ if id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ )) {
tokenizer.enter(Name::MdxJsxTextTagAttribute);
tokenizer.enter(Name::MdxJsxTextTagAttributeName);
tokenizer.enter(Name::MdxJsxTextTagAttributePrimaryName);
@@ -472,7 +518,12 @@ pub fn attribute_primary_name(tokenizer: &mut Tokenizer) -> State {
}
// Continuation of the attribute name: remain.
// To do: unicode.
- else if matches!(tokenizer.current, Some(b'-')) || id_cont(tokenizer.current) {
+ else if matches!(tokenizer.current, Some(0x80..=0xBF))
+ || id_cont(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
+ {
tokenizer.consume();
State::Next(StateName::MdxJsxTextLocalName)
} else {
@@ -524,7 +575,10 @@ pub fn attribute_primary_name_after(tokenizer: &mut Tokenizer) -> State {
if byte_to_kind(tokenizer.parse_state.bytes, tokenizer.point.index)
== CharacterKind::Whitespace
|| matches!(tokenizer.current, Some(b'/' | b'>' | b'{'))
- || id_start(tokenizer.current)
+ || id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
{
tokenizer.exit(Name::MdxJsxTextTagAttributeName);
tokenizer.exit(Name::MdxJsxTextTagAttribute);
@@ -552,7 +606,10 @@ pub fn attribute_primary_name_after(tokenizer: &mut Tokenizer) -> State {
/// ```
pub fn attribute_local_name_before(tokenizer: &mut Tokenizer) -> State {
// Start of a local name.
- if id_start(tokenizer.current) {
+ if id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ )) {
tokenizer.enter(Name::MdxJsxTextTagAttributeNameLocal);
tokenizer.consume();
State::Next(StateName::MdxJsxTextAttributeLocalName)
@@ -588,7 +645,12 @@ pub fn attribute_local_name(tokenizer: &mut Tokenizer) -> State {
}
// Continuation of local name: remain.
// To do: unicode.
- else if matches!(tokenizer.current, Some(b'-')) || id_cont(tokenizer.current) {
+ else if matches!(tokenizer.current, Some(0x80..=0xBF))
+ || id_cont(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
+ {
tokenizer.consume();
State::Next(StateName::MdxJsxTextAttributeLocalName)
} else {
@@ -623,7 +685,11 @@ pub fn attribute_local_name_after(tokenizer: &mut Tokenizer) -> State {
}
_ => {
// End of name.
- if matches!(tokenizer.current, Some(b'/' | b'>' | b'{')) || id_start(tokenizer.current)
+ if matches!(tokenizer.current, Some(b'/' | b'>' | b'{'))
+ || id_start(char_after_index(
+ tokenizer.parse_state.bytes,
+ tokenizer.point.index,
+ ))
{
tokenizer.exit(Name::MdxJsxTextTagAttribute);
State::Retry(StateName::MdxJsxTextAttributeBefore)
@@ -841,16 +907,21 @@ pub fn es_whitespace_inside(tokenizer: &mut Tokenizer) -> State {
}
// To do: unicode.
-fn id_start(code: Option<u8>) -> bool {
- matches!(code, Some(b'$' | b'_' | b'A'..=b'Z' | b'a'..=b'z'))
+fn id_start(code: Option<char>) -> bool {
+ if let Some(char) = code {
+ UnicodeID::is_id_start(char) || matches!(char, '$' | '_')
+ } else {
+ false
+ }
}
// To do: unicode.
-fn id_cont(code: Option<u8>) -> bool {
- matches!(
- code,
- Some(b'$' | b'_' | b'A'..=b'Z' | b'0'..=b'9' | b'a'..=b'z')
- )
+fn id_cont(code: Option<char>) -> bool {
+ if let Some(char) = code {
+ UnicodeID::is_id_continue(char) || matches!(char, '-' | '\u{200c}' | '\u{200d}')
+ } else {
+ false
+ }
}
fn crash(tokenizer: &Tokenizer, at: &str, expect: &str) -> ! {