kdl-rs/src/document.rs

1181 lines
36 KiB
Rust

#[cfg(feature = "span")]
use miette::SourceSpan;
use std::fmt::Display;
#[cfg(feature = "v1")]
use crate::KdlNodeFormat;
use crate::{FormatConfig, KdlError, KdlNode, KdlValue};
/// Represents a KDL
/// [`Document`](https://github.com/kdl-org/kdl/blob/main/SPEC.md#document).
///
/// This type is also used to manage a [`KdlNode`]'s [`Children
/// Block`](https://github.com/kdl-org/kdl/blob/main/SPEC.md#children-block),
/// when present.
///
/// # Examples
///
/// The easiest way to create a `KdlDocument` is to parse it:
/// ```rust
/// # use kdl::KdlDocument;
/// let kdl: KdlDocument = "foo 1 2 3\nbar 4 5 6".parse().expect("parse failed");
/// ```
#[derive(Debug, Clone, Eq)]
pub struct KdlDocument {
pub(crate) nodes: Vec<KdlNode>,
pub(crate) format: Option<KdlDocumentFormat>,
#[cfg(feature = "span")]
pub(crate) span: SourceSpan,
}
impl PartialEq for KdlDocument {
fn eq(&self, other: &Self) -> bool {
self.nodes == other.nodes && self.format == other.format
// Intentionally omitted: self.span == other.span
}
}
impl std::hash::Hash for KdlDocument {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
self.nodes.hash(state);
self.format.hash(state);
// Intentionally omitted: self.span.hash(state)
}
}
impl Default for KdlDocument {
fn default() -> Self {
Self {
nodes: Default::default(),
format: Default::default(),
#[cfg(feature = "span")]
span: SourceSpan::from(0..0),
}
}
}
impl KdlDocument {
/// Creates a new Document.
pub fn new() -> Self {
Default::default()
}
/// Gets this document's span.
///
/// This value will be properly initialized when created via [`KdlDocument::parse`]
/// but may become invalidated if the document is mutated. We do not currently
/// guarantee this to yield any particularly consistent results at that point.
#[cfg(feature = "span")]
pub fn span(&self) -> SourceSpan {
self.span
}
/// Sets this document's span.
#[cfg(feature = "span")]
pub fn set_span(&mut self, span: impl Into<SourceSpan>) {
self.span = span.into();
}
/// Gets the first child node with a matching name.
pub fn get(&self, name: &str) -> Option<&KdlNode> {
self.nodes.iter().find(move |n| n.name().value() == name)
}
/// Gets a reference to the first child node with a matching name.
pub fn get_mut(&mut self, name: &str) -> Option<&mut KdlNode> {
self.nodes
.iter_mut()
.find(move |n| n.name().value() == name)
}
/// Gets the first argument (value) of the first child node with a
/// matching name. This is a shorthand utility for cases where a document
/// is being used as a key/value store.
///
/// # Examples
///
/// Given a document like this:
/// ```kdl
/// foo 1
/// bar false
/// ```
///
/// You can fetch the value of `foo` in a single call like this:
/// ```rust
/// # use kdl::{KdlDocument, KdlValue};
/// # let doc: KdlDocument = "foo 1\nbar #false".parse().unwrap();
/// assert_eq!(doc.get_arg("foo"), Some(&1.into()));
/// ```
pub fn get_arg(&self, name: &str) -> Option<&KdlValue> {
self.get(name).and_then(|node| node.get(0))
}
/// Returns an iterator of the all node arguments (value) of the first child node with a
/// matching name. This is a shorthand utility for cases where a document
/// is being used as a key/value store and the value is expected to be
/// array-ish.
///
/// If a node has no arguments, this will return an empty array.
///
/// # Examples
///
/// Given a document like this:
/// ```kdl
/// foo 1 2 3
/// bar #false
/// ```
///
/// You can fetch the arguments for `foo` in a single call like this:
/// ```rust
/// # use kdl::{KdlDocument, KdlValue};
/// # let doc: KdlDocument = "foo 1 2 3\nbar #false".parse().unwrap();
/// assert_eq!(
/// doc.iter_args("foo").collect::<Vec<&KdlValue>>(),
/// vec![&1.into(), &2.into(), &3.into()]
/// );
/// ```
pub fn iter_args(&self, name: &str) -> impl Iterator<Item = &KdlValue> {
self.get(name)
.map(|n| n.entries())
.unwrap_or_default()
.iter()
.filter(|e| e.name().is_none())
.map(|e| e.value())
}
/// Gets a mutable reference to the first argument (value) of the first
/// child node with a matching name. This is a shorthand utility for cases
/// where a document is being used as a key/value store.
pub fn get_arg_mut(&mut self, name: &str) -> Option<&mut KdlValue> {
self.get_mut(name).and_then(|node| node.get_mut(0))
}
/// This utility makes it easy to interact with a KDL convention where
/// child nodes named `-` are treated as array-ish values.
///
/// # Examples
///
/// Given a document like this:
/// ```kdl
/// foo {
/// - 1
/// - 2
/// - #false
/// }
/// ```
///
/// You can fetch the dashed child values of `foo` in a single call like this:
/// ```rust
/// # use kdl::{KdlDocument, KdlValue};
/// # let doc: KdlDocument = "foo {\n - 1\n - 2\n - #false\n}".parse().unwrap();
/// assert_eq!(
/// doc.iter_dash_args("foo").collect::<Vec<&KdlValue>>(),
/// vec![&1.into(), &2.into(), &false.into()]
/// );
/// ```
pub fn iter_dash_args(&self, name: &str) -> impl Iterator<Item = &KdlValue> {
self.get(name)
.and_then(|n| n.children())
.map(|doc| doc.nodes())
.unwrap_or_default()
.iter()
.filter(|e| e.name().value() == "-")
.filter_map(|e| e.get(0))
}
/// Returns a reference to this document's child nodes.
pub fn nodes(&self) -> &[KdlNode] {
&self.nodes
}
/// Returns a mutable reference to this document's child nodes.
pub fn nodes_mut(&mut self) -> &mut Vec<KdlNode> {
&mut self.nodes
}
/// Gets the formatting details (including whitespace and comments) for this entry.
pub fn format(&self) -> Option<&KdlDocumentFormat> {
self.format.as_ref()
}
/// Gets a mutable reference to this entry's formatting details.
pub fn format_mut(&mut self) -> Option<&mut KdlDocumentFormat> {
self.format.as_mut()
}
/// Sets the formatting details for this entry.
pub fn set_format(&mut self, format: KdlDocumentFormat) {
self.format = Some(format);
}
/// Length of this document when rendered as a string.
pub fn len(&self) -> usize {
format!("{self}").len()
}
/// Returns true if this document is completely empty (including whitespace)
pub fn is_empty(&self) -> bool {
self.len() == 0
}
/// Clears leading and trailing text (whitespace, comments). `KdlNode`s in
/// this document will be unaffected.
///
/// If you need to clear the `KdlNode`s, use [`Self::clear_format_recursive`].
pub fn clear_format(&mut self) {
self.format = None;
}
/// Clears leading and trailing text (whitespace, comments), also clearing
/// all the `KdlNode`s in the document.
pub fn clear_format_recursive(&mut self) {
self.clear_format();
for node in self.nodes.iter_mut() {
node.clear_format_recursive();
}
}
/// Auto-formats this Document, making everything nice while preserving
/// comments.
pub fn autoformat(&mut self) {
self.autoformat_config(&FormatConfig::default());
}
/// Formats the document and removes all comments from the document.
pub fn autoformat_no_comments(&mut self) {
self.autoformat_config(&FormatConfig {
no_comments: true,
..Default::default()
});
}
/// Formats the document according to `config`.
pub fn autoformat_config(&mut self, config: &FormatConfig<'_>) {
if let Some(KdlDocumentFormat { leading, .. }) = (*self).format_mut() {
crate::fmt::autoformat_leading(leading, config);
}
let mut has_nodes = false;
for node in &mut self.nodes {
has_nodes = true;
node.autoformat_config(config);
}
if let Some(KdlDocumentFormat { trailing, .. }) = (*self).format_mut() {
crate::fmt::autoformat_trailing(trailing, config.no_comments);
if !has_nodes {
trailing.push('\n');
}
};
}
// TODO(@zkat): These should all be moved into the query module itself,
// instead of being methods on the models
//
// /// Queries this Document's children according to the KQL query language,
// /// returning an iterator over all matching nodes.
// ///
// /// # NOTE
// ///
// /// Any query selectors that try to select the toplevel `scope()` will
// /// fail to match when using this method, since there's no [`KdlNode`] to
// /// return in this case.
// pub fn query_all(
// &self,
// query: impl IntoKdlQuery,
// ) -> Result<KdlQueryIterator<'_>, KdlDiagnostic> {
// let parsed = query.into_query()?;
// Ok(KdlQueryIterator::new(None, Some(self), parsed))
// }
// /// Queries this Document's children according to the KQL query language,
// /// returning the first match, if any.
// ///
// /// # NOTE
// ///
// /// Any query selectors that try to select the toplevel `scope()` will
// /// fail to match when using this method, since there's no [`KdlNode`] to
// /// return in this case.
// pub fn query(&self, query: impl IntoKdlQuery) -> Result<Option<&KdlNode>, KdlDiagnostic> {
// let mut iter = self.query_all(query)?;
// Ok(iter.next())
// }
// /// Queries this Document's children according to the KQL query language,
// /// picking the first match, and calling `.get(key)` on it, if the query
// /// succeeded.
// ///
// /// # NOTE
// ///
// /// Any query selectors that try to select the toplevel `scope()` will
// /// fail to match when using this method, since there's no [`KdlNode`] to
// /// return in this case.
// pub fn query_get(
// &self,
// query: impl IntoKdlQuery,
// key: impl Into<NodeKey>,
// ) -> Result<Option<&KdlValue>, KdlDiagnostic> {
// Ok(self.query(query)?.and_then(|node| node.get(key)))
// }
// /// Queries this Document's children according to the KQL query language,
// /// returning an iterator over all matching nodes, returning the requested
// /// field from each of those nodes and filtering out nodes that don't have
// /// it.
// ///
// /// # NOTE
// ///
// /// Any query selectors that try to select the toplevel `scope()` will
// /// fail to match when using this method, since there's no [`KdlNode`] to
// /// return in this case.
// pub fn query_get_all(
// &self,
// query: impl IntoKdlQuery,
// key: impl Into<NodeKey>,
// ) -> Result<impl Iterator<Item = &KdlValue>, KdlDiagnostic> {
// let key: NodeKey = key.into();
// Ok(self
// .query_all(query)?
// .filter_map(move |node| node.get(key.clone())))
// }
/// Parses a string into a document.
///
/// If the `v1-fallback` feature is enabled, this method will first try to
/// parse the string as a KDL v2 document, and, if that fails, it will try
/// to parse again as a KDL v1 document. If both fail, a heuristic will be
/// applied to try and detect the "intended" KDL version, and that version's
/// error(s) will be returned.
pub fn parse(s: &str) -> Result<Self, KdlError> {
#[cfg(not(feature = "v1-fallback"))]
{
Self::parse_v2(s)
}
#[cfg(feature = "v1-fallback")]
{
let v2_res = KdlDocument::parse_v2(s);
if v2_res.is_err() {
let v1_res = KdlDocument::parse_v1(s);
if v1_res.is_ok() || detect_v1(s) {
v1_res
} else {
// TODO(@zkat): maybe we can add something to the error
// message to specify that it's "uncertain"?
// YOLO.
v2_res
}
} else {
v2_res
}
}
}
/// Parses a KDL v2 string into a document.
pub fn parse_v2(s: &str) -> Result<Self, KdlError> {
crate::v2_parser::try_parse(crate::v2_parser::document, s)
}
/// Parses a KDL v1 string into a document.
#[cfg(feature = "v1")]
pub fn parse_v1(s: &str) -> Result<Self, KdlError> {
let ret: Result<kdlv1::KdlDocument, kdlv1::KdlError> = s.parse();
ret.map(|x| x.into()).map_err(|e| e.into())
}
/// Takes a KDL v1 document string and returns the same document, but
/// autoformatted into valid KDL v2 syntax.
#[cfg(feature = "v1")]
pub fn v1_to_v2(s: &str) -> Result<String, KdlError> {
let mut doc = KdlDocument::parse_v1(s)?;
doc.ensure_v2();
Ok(doc.to_string())
}
/// Takes a KDL v2 document string and returns the same document, but
/// autoformatted into valid KDL v1 syntax.
#[cfg(feature = "v1")]
pub fn v2_to_v1(s: &str) -> Result<String, KdlError> {
let mut doc = KdlDocument::parse_v2(s)?;
doc.ensure_v1();
Ok(doc.to_string())
}
/// Makes sure this document is in v2 format.
pub fn ensure_v2(&mut self) {
// No need to touch KdlDocumentFormat, probably. In the longer term,
// we'll want to make sure to parse out whitespace and comments and make
// sure they're actually compliant, but this is good enough for now.
for node in self.nodes_mut().iter_mut() {
node.ensure_v2();
}
}
/// Makes sure this document is in v1 format.
#[cfg(feature = "v1")]
pub fn ensure_v1(&mut self) {
// No need to touch KdlDocumentFormat, probably. In the longer term,
// we'll want to make sure to parse out whitespace and comments and make
// sure they're actually compliant, but this is good enough for now.
// the last node in v1 docs/children has to have a semicolon.
let mut iter = self.nodes_mut().iter_mut().rev();
let last = iter.next();
let penult = iter.next();
if let Some(last) = last {
if let Some(fmt) = last.format_mut() {
if !fmt.trailing.contains(';')
&& fmt
.trailing
.chars()
.any(|c| crate::v2_parser::NEWLINES.iter().any(|nl| nl.contains(c)))
{
fmt.terminator = ";".into();
}
} else {
let maybe_indent = {
if let Some(penult) = penult {
if let Some(fmt) = penult.format() {
fmt.leading.clone()
} else {
"".into()
}
} else {
"".into()
}
};
last.format = Some(KdlNodeFormat {
leading: maybe_indent,
terminator: "\n".into(),
..Default::default()
})
}
}
for node in self.nodes_mut().iter_mut() {
node.ensure_v1();
}
}
}
#[cfg(feature = "v1")]
impl From<kdlv1::KdlDocument> for KdlDocument {
fn from(value: kdlv1::KdlDocument) -> Self {
Self {
nodes: value.nodes().iter().map(|x| x.clone().into()).collect(),
format: Some(KdlDocumentFormat {
leading: value.leading().unwrap_or("").into(),
trailing: value.trailing().unwrap_or("").into(),
}),
#[cfg(feature = "span")]
span: SourceSpan::new(value.span().offset().into(), value.span().len()),
}
}
}
/// Applies heuristics to get an idea of whether the string might be intended to
/// be v2.
#[allow(unused)]
pub(crate) fn detect_v2(input: &str) -> bool {
for line in input.lines() {
if line.contains("kdl-version 2")
|| line.contains("#true")
|| line.contains("#false")
|| line.contains("#null")
|| line.contains("#inf")
|| line.contains("#-inf")
|| line.contains("#nan")
|| line.contains(" #\"")
|| line.contains("\"\"\"")
// Very very rough attempt at finding unquoted strings. We give up
// the first time we see a quoted one on a line.
|| (!line.contains('"') && line
.split_whitespace()
.skip(1)
.any(|x| {
x.chars()
.next()
.map(|d| !d.is_ascii_digit() && d != '-' && d != '+')
.unwrap_or_default()
}))
{
return true;
}
}
false
}
/// Applies heuristics to get an idea of whether the string might be intended to
/// be v2.
#[allow(unused)]
pub(crate) fn detect_v1(input: &str) -> bool {
input
.lines()
.next()
.map(|l| l.contains("kdl-version 1"))
.unwrap_or(false)
|| input.contains(" true")
|| input.contains(" false")
|| input.contains(" null")
|| input.contains("r#\"")
|| input.contains(" \"\n")
|| input.contains(" \"\r\n")
}
impl std::str::FromStr for KdlDocument {
type Err = KdlError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Self::parse(s)
}
}
impl Display for KdlDocument {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
self.stringify(f, 0)
}
}
impl KdlDocument {
pub(crate) fn stringify(
&self,
f: &mut std::fmt::Formatter<'_>,
indent: usize,
) -> std::fmt::Result {
if let Some(KdlDocumentFormat { leading, .. }) = self.format() {
write!(f, "{leading}")?;
}
for node in &self.nodes {
node.stringify(f, indent)?;
}
if let Some(KdlDocumentFormat { trailing, .. }) = self.format() {
write!(f, "{trailing}")?;
}
Ok(())
}
}
impl IntoIterator for KdlDocument {
type Item = KdlNode;
type IntoIter = std::vec::IntoIter<Self::Item>;
fn into_iter(self) -> Self::IntoIter {
self.nodes.into_iter()
}
}
/// Formatting details for [`KdlDocument`]s.
#[derive(Debug, Clone, Default, Hash, Eq, PartialEq)]
pub struct KdlDocumentFormat {
/// Whitespace and comments preceding the document's first node.
pub leading: String,
/// Whitespace and comments following the document's last node.
pub trailing: String,
}
#[cfg(test)]
mod test {
#[cfg(feature = "span")]
use crate::KdlIdentifier;
use crate::{KdlEntry, KdlValue};
use super::*;
#[test]
fn canonical_clear_fmt() -> miette::Result<()> {
let left_src = r#"
// There is a node here
first_node /*with cool comments, too */ param=1.03e2 /-"commented" "argument" {
// With nested nodes too
nested 1 2 3
nested_2 "hi" "world" // this one is cool
}
second_node param=153 { nested one=1 two=2; }"#;
let right_src = r#"
first_node param=103.0 "argument" {
// Different indentation, because
// Why not
nested 1 2 3
nested_2 "hi" /* actually, "hello" */ "world"
}
// There is a node here
second_node /* This time, the comment is here */ param=153 {
nested one=1 two=2
}"#;
let mut left_doc: KdlDocument = left_src.parse()?;
let mut right_doc: KdlDocument = right_src.parse()?;
assert_ne!(left_doc, right_doc);
left_doc.clear_format_recursive();
right_doc.clear_format_recursive();
assert_eq!(left_doc, right_doc);
Ok(())
}
#[test]
fn basic_parsing() -> miette::Result<()> {
let src = r#"
// Hello, world!
node 1
node two
node item="three";
node {
nested 1 2 3
nested_2 hi "world"
}
(type)node ("type")what?
+false #true
null_id null_prop=#null
foo indented
// normal comment?
/- comment
/* block comment */
inline /*comment*/ here
another /-comment there
after some whitespace
trailing /* multiline */
trailing // single line
"#;
let _doc: KdlDocument = src.parse()?;
Ok(())
}
#[test]
fn parsing() -> miette::Result<()> {
let src = "
// This is the first node
foo 1 2 three #null #true bar=\"baz\" {
- 1
- 2
- three
(mytype)something (\"name\")else\r
}
null_id null_prop=#null
true_id true_prop=#null
+false #true
bar \"indented\" // trailing whitespace after this\t
/*
Some random comment
*/
a; b; c;
/-commented \"node\"
another /*foo*/ \"node\" /-1 /*bar*/ #null;
final;";
let mut doc: KdlDocument = src.parse()?;
assert_eq!(doc.get_arg("foo"), Some(&1.into()));
assert_eq!(
doc.iter_dash_args("foo").collect::<Vec<&KdlValue>>(),
vec![&1.into(), &2.into(), &"three".into()]
);
assert_eq!(doc.format().map(|f| &f.leading[..]), Some(""));
let foo = doc.get("foo").expect("expected a foo node");
assert_eq!(
foo.format().map(|f| &f.leading[..]),
Some("\n// This is the first node\n")
);
assert_eq!(foo.format().map(|f| &f.terminator[..]), Some("\n"));
assert_eq!(&foo[2], &"three".into());
assert_eq!(&foo["bar"], &"baz".into());
assert_eq!(
foo.children().unwrap().get_arg("something"),
Some(&"else".into())
);
assert_eq!(doc.get_arg("another"), Some(&"node".into()));
let null = doc.get("null_id").expect("expected a null_id node");
assert_eq!(&null["null_prop"], &KdlValue::Null);
let tru = doc.get("true_id").expect("expected a true_id node");
assert_eq!(&tru["true_prop"], &KdlValue::Null);
let plusfalse = doc.get("+false").expect("expected a +false node");
assert_eq!(&plusfalse[0], &KdlValue::Bool(true));
let bar = doc.get("bar").expect("expected a bar node");
assert_eq!(
format!("{bar}"),
"\n bar \"indented\" // trailing whitespace after this\t\n"
);
let a = doc.get("a").expect("expected a node");
assert_eq!(
format!("{a}"),
"/*\nSome random comment\n */\n\na;".to_string()
);
let b = doc.get("b").expect("expected a node");
assert_eq!(format!("{b}"), " b;".to_string());
// Round-tripping works.
assert_eq!(format!("{doc}"), src);
// Programmatic manipulation works.
let mut node: KdlNode = "new\n".parse()?;
// Manual entry parsing preserves formatting/reprs. Note that
// if you're making KdlEntries this way, you need to inject
// your own whitespace (or format the node)
node.push(" \"blah\"=0xDEADbeef".parse::<KdlEntry>()?);
doc.nodes_mut().push(node);
assert_eq!(
format!("{doc}"),
format!("{}new \"blah\"=0xDEADbeef\n", src)
);
Ok(())
}
#[test]
fn construction() {
let mut doc = KdlDocument::new();
doc.nodes_mut().push(KdlNode::new("foo"));
let mut bar = KdlNode::new("bar");
bar.insert("prop", "value");
bar.push(1);
bar.push(2);
bar.push(false);
bar.push(KdlValue::Null);
let subdoc = bar.ensure_children();
subdoc.nodes_mut().push(KdlNode::new("barchild"));
doc.nodes_mut().push(bar);
doc.nodes_mut().push(KdlNode::new("baz"));
doc.autoformat();
assert_eq!(
r#"foo
bar prop=value 1 2 #false #null {
barchild
}
baz
"#,
format!("{doc}")
);
}
#[ignore = "There's still issues around formatting comments and esclines."]
#[test]
fn autoformat() -> miette::Result<()> {
let mut doc: KdlDocument = r##"
/* x */ foo 1 "bar"=0xDEADbeef {
child1 1 ;
// child 2 comment
child2 2 /-3 // comment
child3 "
string\t
" \
{
/*
multiline*/
inner1 \
#"value"# \
;
inner2 \ //comment
{
inner3
}
}
}
// trailing comment here
"##
.parse()?;
KdlDocument::autoformat(&mut doc);
assert_eq!(
doc.to_string(),
r#"/* x */
foo 1 bar=0xdeadbeef {
child1 1
// child 2 comment
child2 2 /-3 // comment
child3 "\nstring\t" {
/*
multiline*/
inner1 value
inner2 {
inner3
}
}
}
// trailing comment here"#
);
Ok(())
}
#[test]
fn simple_autoformat() -> miette::Result<()> {
let mut doc: KdlDocument = "a { b { c { }; }; }".parse().unwrap();
KdlDocument::autoformat(&mut doc);
assert_eq!(
doc.to_string(),
r#"a {
b {
c {
}
}
}
"#
);
Ok(())
}
#[test]
fn simple_autoformat_two_spaces() -> miette::Result<()> {
let mut doc: KdlDocument = "a { b { c { }; }; }".parse().unwrap();
KdlDocument::autoformat_config(
&mut doc,
&FormatConfig {
indent: " ",
..Default::default()
},
);
assert_eq!(
doc.to_string(),
r#"a {
b {
c {
}
}
}
"#
);
Ok(())
}
#[test]
fn simple_autoformat_single_tabs() -> miette::Result<()> {
let mut doc: KdlDocument = "a { b { c { }; }; }".parse().unwrap();
KdlDocument::autoformat_config(
&mut doc,
&FormatConfig {
indent: "\t",
..Default::default()
},
);
assert_eq!(doc.to_string(), "a {\n\tb {\n\t\tc {\n\n\t\t}\n\t}\n}\n");
Ok(())
}
#[test]
fn simple_autoformat_no_comments() -> miette::Result<()> {
let mut doc: KdlDocument =
"// a comment\na {\n// another comment\n b { c { // another comment\n }; }; }"
.parse()
.unwrap();
KdlDocument::autoformat_no_comments(&mut doc);
assert_eq!(
doc.to_string(),
r#"a {
b {
c {
}
}
}
"#
);
Ok(())
}
#[cfg(feature = "span")]
fn check_spans_for_doc(doc: &KdlDocument, source: &impl miette::SourceCode) {
for node in doc.nodes() {
check_spans_for_node(node, source);
}
}
#[cfg(feature = "span")]
fn check_spans_for_node(node: &KdlNode, source: &impl miette::SourceCode) {
use crate::KdlEntryFormat;
check_span_for_ident(node.name(), source);
if let Some(ty) = node.ty() {
check_span_for_ident(ty, source);
}
for entry in node.entries() {
if let Some(name) = entry.name() {
check_span_for_ident(name, source);
}
if let Some(ty) = entry.ty() {
check_span_for_ident(ty, source);
}
if let Some(KdlEntryFormat { value_repr, .. }) = entry.format() {
if entry.name().is_none() && entry.ty().is_none() {
check_span(value_repr, entry.span(), source);
}
}
}
if let Some(children) = node.children() {
check_spans_for_doc(children, source);
}
}
#[cfg(feature = "span")]
#[track_caller]
fn check_span_for_ident(ident: &KdlIdentifier, source: &impl miette::SourceCode) {
if let Some(repr) = ident.repr() {
check_span(repr, ident.span(), source);
} else {
check_span(ident.value(), ident.span(), source);
}
}
#[cfg(feature = "span")]
#[track_caller]
fn check_span(expected: &str, span: SourceSpan, source: &impl miette::SourceCode) {
let span = source.read_span(&span, 0, 0).unwrap();
let span = std::str::from_utf8(span.data()).unwrap();
assert_eq!(span, expected);
}
#[cfg(feature = "span")]
#[test]
fn span_test() -> miette::Result<()> {
let input = r####"
this {
is (a)"cool" document="to" read=(int)5 10.1 (u32)0x45
and x="" {
"it" /*shh*/ "has"="💯" ##"the"##
Best🎊est
"syntax ever"
}
"yknow?" 0x10
}
// that's
nice
inline { time; to; live "our" "dreams"; "y;all" }
"####;
let doc: KdlDocument = input.parse()?;
// First check that all the identity-spans are correct
check_spans_for_doc(&doc, &input);
// Now check some more interesting concrete spans
// The whole document should be everything from the first node until the
// last before_terminator whitespace.
check_span(&input[1..(input.len() - 2)], doc.span(), &input);
// This one-liner node should be the whole line without leading whitespace
let is_node = doc
.get("this")
.unwrap()
.children()
.unwrap()
.get("is")
.unwrap();
check_span(
r##"is (a)"cool" document="to" read=(int)5 10.1 (u32)0x45"##,
is_node.span(),
&input,
);
// Some simple with/without type hints
check_span(r#"(a)"cool""#, is_node.entry(0).unwrap().span(), &input);
check_span(
r#"read=(int)5"#,
is_node.entry("read").unwrap().span(),
&input,
);
check_span(r#"10.1"#, is_node.entry(1).unwrap().span(), &input);
check_span(r#"(u32)0x45"#, is_node.entry(2).unwrap().span(), &input);
// Now let's look at some messed up parts of that "and" node
let and_node = doc
.get("this")
.unwrap()
.children()
.unwrap()
.get("and")
.unwrap();
// The node is what you expect, the whole line and its two braces
check_span(
r####"and x="" {
"it" /*shh*/ "has"="💯" ##"the"##
Best🎊est
"syntax ever"
}"####,
and_node.span(),
&input,
);
// The child document is a little weird, it's the contents *inside* the braces
// without the surrounding whitespace/comments. Just the actual contents.
check_span(
r####""it" /*shh*/ "has"="💯" ##"the"##
Best🎊est
"syntax ever""####,
and_node.children().unwrap().span(),
&input,
);
// Oh hey don't forget to check that "x" entry
check_span(r#"x="""#, and_node.entry("x").unwrap().span(), &input);
// Now the "it" node, more straightforward
let it_node = and_node.children().unwrap().get("it").unwrap();
check_span(
r####""it" /*shh*/ "has"="💯" ##"the"##"####,
it_node.span(),
&input,
);
check_span(
r#""has"="💯""#,
it_node.entry("has").unwrap().span(),
&input,
);
check_span(
r####"##"the"##"####,
it_node.entry(0).unwrap().span(),
&input,
);
// Make sure inline nodes work ok
let inline_node = doc.get("inline").unwrap();
check_span(
r#"inline { time; to; live "our" "dreams"; "y;all" }"#,
inline_node.span(),
&input,
);
let inline_children = inline_node.children().unwrap();
check_span(
r#"time; to; live "our" "dreams"; "y;all" "#,
inline_children.span(),
&input,
);
let inline_nodes = inline_children.nodes();
check_span("time", inline_nodes[0].span(), &input);
check_span("to", inline_nodes[1].span(), &input);
check_span(r#"live "our" "dreams""#, inline_nodes[2].span(), &input);
check_span(r#""y;all" "#, inline_nodes[3].span(), &input);
Ok(())
}
#[test]
fn parse_examples() -> miette::Result<()> {
include_str!("../examples/kdl-schema.kdl").parse::<KdlDocument>()?;
include_str!("../examples/Cargo.kdl").parse::<KdlDocument>()?;
include_str!("../examples/ci.kdl").parse::<KdlDocument>()?;
include_str!("../examples/nuget.kdl").parse::<KdlDocument>()?;
include_str!("../examples/website.kdl").parse::<KdlDocument>()?;
include_str!("../examples/zellij.kdl").parse::<KdlDocument>()?;
include_str!("../examples/zellij-unquoted-bindings.kdl").parse::<KdlDocument>()?;
Ok(())
}
#[cfg(feature = "v1")]
#[test]
fn v1_v2_conversions() -> miette::Result<()> {
let v1 = r##"
// If you'd like to override the default keybindings completely, be sure to change "keybinds" to "keybinds clear-defaults=true"
keybinds {
normal {
// uncomment this and adjust key if using copy_on_select=false
// bind "Alt c" { Copy; }
}
locked {
bind "Ctrl g" { SwitchToMode "Normal"; }
}
resize {
bind "Ctrl n" { SwitchToMode "Normal"; }
bind "h" "Left" { Resize "Increase Left"; }
bind "j" "Down" { Resize "Increase Down"; }
bind "k" "Up" { Resize "Increase Up"; }
bind "l" "Right" { Resize "Increase Right"; }
bind "H" { Resize "Decrease Left"; }
bind "J" { Resize "Decrease Down"; }
bind "K" { Resize "Decrease Up"; }
bind "L" { Resize "Decrease Right"; }
bind "=" "+" { Resize "Increase"; }
bind "-" { Resize "Decrease"; }
}
}
// Plugin aliases - can be used to change the implementation of Zellij
// changing these requires a restart to take effect
plugins {
tab-bar location="zellij:tab-bar"
status-bar location="zellij:status-bar"
welcome-screen location="zellij:session-manager" {
welcome_screen true
}
filepicker location="zellij:strider" {
cwd "/"
}
}
mouse_mode false
mirror_session true
"##;
let v2 = r##"
// If you'd like to override the default keybindings completely, be sure to change "keybinds" to "keybinds clear-defaults=true"
keybinds {
normal {
// uncomment this and adjust key if using copy_on_select=false
// bind "Alt c" { Copy; }
}
locked {
bind "Ctrl g" { SwitchToMode Normal; }
}
resize {
bind "Ctrl n" { SwitchToMode Normal; }
bind h Left { Resize "Increase Left"; }
bind j Down { Resize "Increase Down"; }
bind k Up { Resize "Increase Up"; }
bind l Right { Resize "Increase Right"; }
bind H { Resize "Decrease Left"; }
bind J { Resize "Decrease Down"; }
bind K { Resize "Decrease Up"; }
bind L { Resize "Decrease Right"; }
bind "=" + { Resize Increase; }
bind - { Resize Decrease; }
}
}
// Plugin aliases - can be used to change the implementation of Zellij
// changing these requires a restart to take effect
plugins {
tab-bar location=zellij:tab-bar
status-bar location=zellij:status-bar
welcome-screen location=zellij:session-manager {
welcome_screen #true
}
filepicker location=zellij:strider {
cwd "/"
}
}
mouse_mode #false
mirror_session #true
"##;
pretty_assertions::assert_eq!(KdlDocument::v1_to_v2(v1)?, v2, "Converting a v1 doc to v2");
pretty_assertions::assert_eq!(KdlDocument::v2_to_v1(v2)?, v1, "Converting a v2 doc to v1");
assert!(super::detect_v1(v1));
assert!(super::detect_v2(v2));
Ok(())
}
}