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This commit is contained in:
Simon Ask Ulsnes 2024-02-04 09:27:40 +01:00
parent 784b874007
commit d94eff3861
2 changed files with 75 additions and 163 deletions
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132
src/parser.rs
View file

@ -173,10 +173,13 @@ fn yaml_parser_parse_document_start(
}
}
if implicit
&& !token.data.is_version_directive()
&& !token.data.is_tag_directive()
&& !token.data.is_document_start()
&& !token.data.is_stream_end()
&& !matches!(
token.data,
TokenData::VersionDirective { .. }
| TokenData::TagDirective { .. }
| TokenData::DocumentStart
| TokenData::StreamEnd
)
{
let event = Event {
data: EventData::DocumentStart {
@ -191,7 +194,7 @@ fn yaml_parser_parse_document_start(
parser.states.push(ParserState::DocumentEnd);
parser.state = ParserState::BlockNode;
Ok(event)
} else if !token.data.is_stream_end() {
} else if !matches!(token.data, TokenData::StreamEnd) {
let end_mark: Mark;
let start_mark: Mark = token.start_mark;
yaml_parser_process_directives(
@ -200,7 +203,7 @@ fn yaml_parser_parse_document_start(
Some(&mut tag_directives),
)?;
token = PEEK_TOKEN(parser)?;
if token.data.is_document_start() {
if let TokenData::DocumentStart = token.data {
end_mark = token.end_mark;
let event = Event {
data: EventData::DocumentStart {
@ -354,7 +357,7 @@ fn yaml_parser_parse_node(
let implicit = tag.is_none() || tag.as_deref() == Some("");
if indentless_sequence && token.data.is_block_entry() {
if indentless_sequence && matches!(token.data, TokenData::BlockEntry) {
end_mark = token.end_mark;
parser.state = ParserState::IndentlessSequenceEntry;
let event = Event {
@ -420,7 +423,7 @@ fn yaml_parser_parse_node(
end_mark,
};
return Ok(event);
} else if block && token.data.is_block_sequence_start() {
} else if block && matches!(token.data, TokenData::BlockSequenceStart) {
end_mark = token.end_mark;
parser.state = ParserState::BlockSequenceFirstEntry;
let event = Event {
@ -434,7 +437,7 @@ fn yaml_parser_parse_node(
end_mark,
};
return Ok(event);
} else if block && token.data.is_block_mapping_start() {
} else if block && matches!(token.data, TokenData::BlockMappingStart) {
end_mark = token.end_mark;
parser.state = ParserState::BlockMappingFirstKey;
let event = Event {
@ -494,14 +497,14 @@ fn yaml_parser_parse_block_sequence_entry(
let mark: Mark = token.end_mark;
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
if !token.data.is_block_entry() && !token.data.is_block_end() {
parser.states.push(ParserState::BlockSequenceEntry);
yaml_parser_parse_node(parser, true, false)
} else {
if matches!(token.data, TokenData::BlockEntry | TokenData::BlockEnd) {
parser.state = ParserState::BlockSequenceEntry;
yaml_parser_process_empty_scalar(mark)
} else {
parser.states.push(ParserState::BlockSequenceEntry);
yaml_parser_parse_node(parser, true, false)
}
} else if token.data.is_block_end() {
} else if let TokenData::BlockEnd = token.data {
let event = Event {
data: EventData::SequenceEnd,
start_mark: token.start_mark,
@ -525,20 +528,20 @@ fn yaml_parser_parse_block_sequence_entry(
fn yaml_parser_parse_indentless_sequence_entry(parser: &mut Parser) -> Result<Event, ParserError> {
let mut token = PEEK_TOKEN(parser)?;
if token.data.is_block_entry() {
if let TokenData::BlockEntry = token.data {
let mark: Mark = token.end_mark;
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
if !token.data.is_block_entry()
&& !token.data.is_key()
&& !token.data.is_value()
&& !token.data.is_block_end()
{
parser.states.push(ParserState::IndentlessSequenceEntry);
yaml_parser_parse_node(parser, true, false)
} else {
if matches!(
token.data,
TokenData::BlockEntry | TokenData::Key | TokenData::Value | TokenData::BlockEnd
) {
parser.state = ParserState::IndentlessSequenceEntry;
yaml_parser_process_empty_scalar(mark)
} else {
parser.states.push(ParserState::IndentlessSequenceEntry);
yaml_parser_parse_node(parser, true, false)
}
} else {
let event = Event {
@ -563,18 +566,21 @@ fn yaml_parser_parse_block_mapping_key(
}
let mut token = PEEK_TOKEN(parser)?;
if token.data.is_key() {
if let TokenData::Key = token.data {
let mark: Mark = token.end_mark;
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
if !token.data.is_key() && !token.data.is_value() && !token.data.is_block_end() {
parser.states.push(ParserState::BlockMappingValue);
yaml_parser_parse_node(parser, true, true)
} else {
if matches!(
token.data,
TokenData::Key | TokenData::Value | TokenData::BlockEnd
) {
parser.state = ParserState::BlockMappingValue;
yaml_parser_process_empty_scalar(mark)
} else {
parser.states.push(ParserState::BlockMappingValue);
yaml_parser_parse_node(parser, true, true)
}
} else if token.data.is_block_end() {
} else if let TokenData::BlockEnd = token.data {
let event = Event {
data: EventData::MappingEnd,
start_mark: token.start_mark,
@ -598,16 +604,19 @@ fn yaml_parser_parse_block_mapping_key(
fn yaml_parser_parse_block_mapping_value(parser: &mut Parser) -> Result<Event, ParserError> {
let mut token = PEEK_TOKEN(parser)?;
if token.data.is_value() {
if let TokenData::Value = token.data {
let mark: Mark = token.end_mark;
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
if !token.data.is_key() && !token.data.is_value() && !token.data.is_block_end() {
parser.states.push(ParserState::BlockMappingKey);
yaml_parser_parse_node(parser, true, true)
} else {
if matches!(
token.data,
TokenData::Key | TokenData::Value | TokenData::BlockEnd
) {
parser.state = ParserState::BlockMappingKey;
yaml_parser_process_empty_scalar(mark)
} else {
parser.states.push(ParserState::BlockMappingKey);
yaml_parser_parse_node(parser, true, true)
}
} else {
let mark = token.start_mark;
@ -628,9 +637,9 @@ fn yaml_parser_parse_flow_sequence_entry(
}
let mut token = PEEK_TOKEN(parser)?;
if !token.data.is_flow_sequence_end() {
if !matches!(token.data, TokenData::FlowSequenceEnd) {
if !first {
if token.data.is_flow_entry() {
if let TokenData::FlowEntry = token.data {
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
} else {
@ -644,7 +653,7 @@ fn yaml_parser_parse_flow_sequence_entry(
);
}
}
if token.data.is_key() {
if let TokenData::Key = token.data {
let event = Event {
data: EventData::MappingStart {
anchor: None,
@ -658,7 +667,7 @@ fn yaml_parser_parse_flow_sequence_entry(
parser.state = ParserState::FlowSequenceEntryMappingKey;
SKIP_TOKEN(parser);
return Ok(event);
} else if !token.data.is_flow_sequence_end() {
} else if !matches!(token.data, TokenData::FlowSequenceEnd) {
parser.states.push(ParserState::FlowSequenceEntry);
return yaml_parser_parse_node(parser, false, false);
}
@ -678,16 +687,19 @@ fn yaml_parser_parse_flow_sequence_entry_mapping_key(
parser: &mut Parser,
) -> Result<Event, ParserError> {
let token = PEEK_TOKEN(parser)?;
if !token.data.is_value() && !token.data.is_flow_entry() && !token.data.is_flow_sequence_end() {
parser
.states
.push(ParserState::FlowSequenceEntryMappingValue);
yaml_parser_parse_node(parser, false, false)
} else {
if matches!(
token.data,
TokenData::Value | TokenData::FlowEntry | TokenData::FlowSequenceEnd
) {
let mark: Mark = token.end_mark;
SKIP_TOKEN(parser);
parser.state = ParserState::FlowSequenceEntryMappingValue;
yaml_parser_process_empty_scalar(mark)
} else {
parser
.states
.push(ParserState::FlowSequenceEntryMappingValue);
yaml_parser_parse_node(parser, false, false)
}
}
@ -695,10 +707,13 @@ fn yaml_parser_parse_flow_sequence_entry_mapping_value(
parser: &mut Parser,
) -> Result<Event, ParserError> {
let mut token = PEEK_TOKEN(parser)?;
if token.data.is_value() {
if let TokenData::Value = token.data {
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
if !token.data.is_flow_entry() && !token.data.is_flow_sequence_end() {
if !matches!(
token.data,
TokenData::FlowEntry | TokenData::FlowSequenceEnd
) {
parser.states.push(ParserState::FlowSequenceEntryMappingEnd);
return yaml_parser_parse_node(parser, false, false);
}
@ -734,9 +749,9 @@ fn yaml_parser_parse_flow_mapping_key(
}
let mut token = PEEK_TOKEN(parser)?;
if !token.data.is_flow_mapping_end() {
if !matches!(token.data, TokenData::FlowMappingEnd) {
if !first {
if token.data.is_flow_entry() {
if let TokenData::FlowEntry = token.data {
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
} else {
@ -750,20 +765,20 @@ fn yaml_parser_parse_flow_mapping_key(
);
}
}
if token.data.is_key() {
if let TokenData::Key = token.data {
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
if !token.data.is_value()
&& !token.data.is_flow_entry()
&& !token.data.is_flow_mapping_end()
{
if !matches!(
token.data,
TokenData::Value | TokenData::FlowEntry | TokenData::FlowMappingEnd
) {
parser.states.push(ParserState::FlowMappingValue);
return yaml_parser_parse_node(parser, false, false);
}
let mark = token.start_mark;
parser.state = ParserState::FlowMappingValue;
return yaml_parser_process_empty_scalar(mark);
} else if !token.data.is_flow_mapping_end() {
} else if !matches!(token.data, TokenData::FlowMappingEnd) {
parser.states.push(ParserState::FlowMappingEmptyValue);
return yaml_parser_parse_node(parser, false, false);
}
@ -789,10 +804,10 @@ fn yaml_parser_parse_flow_mapping_value(
parser.state = ParserState::FlowMappingKey;
return yaml_parser_process_empty_scalar(mark);
}
if token.data.is_value() {
if let TokenData::Value = token.data {
SKIP_TOKEN(parser);
token = PEEK_TOKEN(parser)?;
if !token.data.is_flow_entry() && !token.data.is_flow_mapping_end() {
if !matches!(token.data, TokenData::FlowEntry | TokenData::FlowMappingEnd) {
parser.states.push(ParserState::FlowMappingKey);
return yaml_parser_parse_node(parser, false, false);
}
@ -840,7 +855,10 @@ fn yaml_parser_process_directives(
let mut token = PEEK_TOKEN(parser)?;
loop {
if !(token.data.is_version_directive() || token.data.is_tag_directive()) {
if !matches!(
token.data,
TokenData::VersionDirective { .. } | TokenData::TagDirective { .. }
) {
break;
}

106
src/yaml.rs
View file

@ -214,112 +214,6 @@ pub enum TokenData {
},
}
impl TokenData {
/// Returns `true` if the yaml token data is [`VersionDirective`].
///
/// [`VersionDirective`]: TokenData::VersionDirective
#[must_use]
pub fn is_version_directive(&self) -> bool {
matches!(self, Self::VersionDirective { .. })
}
/// Returns `true` if the yaml token data is [`TagDirective`].
///
/// [`TagDirective`]: TokenData::TagDirective
#[must_use]
pub fn is_tag_directive(&self) -> bool {
matches!(self, Self::TagDirective { .. })
}
/// Returns `true` if the yaml token data is [`DocumentStart`].
///
/// [`DocumentStart`]: TokenData::DocumentStart
#[must_use]
pub fn is_document_start(&self) -> bool {
matches!(self, Self::DocumentStart)
}
/// Returns `true` if the yaml token data is [`StreamEnd`].
///
/// [`StreamEnd`]: TokenData::StreamEnd
#[must_use]
pub fn is_stream_end(&self) -> bool {
matches!(self, Self::StreamEnd)
}
/// Returns `true` if the yaml token data is [`BlockEntry`].
///
/// [`BlockEntry`]: TokenData::BlockEntry
#[must_use]
pub fn is_block_entry(&self) -> bool {
matches!(self, Self::BlockEntry)
}
/// Returns `true` if the yaml token data is [`BlockSequenceStart`].
///
/// [`BlockSequenceStart`]: TokenData::BlockSequenceStart
#[must_use]
pub fn is_block_sequence_start(&self) -> bool {
matches!(self, Self::BlockSequenceStart)
}
/// Returns `true` if the yaml token data is [`BlockMappingStart`].
///
/// [`BlockMappingStart`]: TokenData::BlockMappingStart
#[must_use]
pub fn is_block_mapping_start(&self) -> bool {
matches!(self, Self::BlockMappingStart)
}
/// Returns `true` if the yaml token data is [`BlockEnd`].
///
/// [`BlockEnd`]: TokenData::BlockEnd
#[must_use]
pub fn is_block_end(&self) -> bool {
matches!(self, Self::BlockEnd)
}
/// Returns `true` if the yaml token data is [`Key`].
///
/// [`Key`]: TokenData::Key
#[must_use]
pub fn is_key(&self) -> bool {
matches!(self, Self::Key)
}
/// Returns `true` if the yaml token data is [`Value`].
///
/// [`Value`]: TokenData::Value
#[must_use]
pub fn is_value(&self) -> bool {
matches!(self, Self::Value)
}
/// Returns `true` if the yaml token data is [`FlowSequenceEnd`].
///
/// [`FlowSequenceEnd`]: TokenData::FlowSequenceEnd
#[must_use]
pub fn is_flow_sequence_end(&self) -> bool {
matches!(self, Self::FlowSequenceEnd)
}
/// Returns `true` if the yaml token data is [`FlowEntry`].
///
/// [`FlowEntry`]: TokenData::FlowEntry
#[must_use]
pub fn is_flow_entry(&self) -> bool {
matches!(self, Self::FlowEntry)
}
/// Returns `true` if the yaml token data is [`FlowMappingEnd`].
///
/// [`FlowMappingEnd`]: TokenData::FlowMappingEnd
#[must_use]
pub fn is_flow_mapping_end(&self) -> bool {
matches!(self, Self::FlowMappingEnd)
}
}
/// The event structure.
#[derive(Default, Debug)]
#[non_exhaustive]