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Convert LSP URIs into custom URIs

Browse Source 
This introduces a custom URI type in core meant to be extended later
if we want to support other schemes. For now it's just a wrapper over a
PathBuf. We use this new URI type to firewall `lsp::Url`. This was
previously done in 8141a4a but using a custom URI type is more flexible
and will improve the way Pickers handle paths for previews in the child
commit(s).

Co-authored-by: soqb <cb.setho@gmail.com>
This commit is contained in:
Michael Davis 2024-04-05 12:20:35 -04:00
parent 408282097f
commit f4a433f855
No known key found for this signature in database
9 changed files with 235 additions and 64 deletions
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1
Cargo.lock generated
View File

@ -1331,6 +1331,7 @@ dependencies = [
"unicode-general-category",
"unicode-segmentation",
"unicode-width",
"url",
]
[[package]]

1
helix-core/Cargo.toml
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@ -34,6 +34,7 @@ bitflags = "2.6"
ahash = "0.8.11"
hashbrown = { version = "0.14.5", features = ["raw"] }
dunce = "1.0"
url = "2.5.0"
log = "0.4"
serde = { version = "1.0", features = ["derive"] }

3
helix-core/src/lib.rs
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@ -27,6 +27,7 @@
pub mod text_annotations;
pub mod textobject;
mod transaction;
pub mod uri;
pub mod wrap;
pub mod unicode {
@ -66,3 +67,5 @@ pub mod unicode {
pub use line_ending::{LineEnding, NATIVE_LINE_ENDING};
pub use transaction::{Assoc, Change, ChangeSet, Deletion, Operation, Transaction};
pub use uri::Uri;

122
helix-core/src/uri.rs Normal file
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@ -0,0 +1,122 @@
use std::path::{Path, PathBuf};
/// A generic pointer to a file location.
///
/// Currently this type only supports paths to local files.
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
#[non_exhaustive]
pub enum Uri {
File(PathBuf),
}
impl Uri {
// This clippy allow mirrors url::Url::from_file_path
#[allow(clippy::result_unit_err)]
pub fn to_url(&self) -> Result<url::Url, ()> {
match self {
Uri::File(path) => url::Url::from_file_path(path),
}
}
pub fn as_path(&self) -> Option<&Path> {
match self {
Self::File(path) => Some(path),
}
}
pub fn as_path_buf(self) -> Option<PathBuf> {
match self {
Self::File(path) => Some(path),
}
}
}
impl From<PathBuf> for Uri {
fn from(path: PathBuf) -> Self {
Self::File(path)
}
}
impl TryFrom<Uri> for PathBuf {
type Error = ();
fn try_from(uri: Uri) -> Result<Self, Self::Error> {
match uri {
Uri::File(path) => Ok(path),
}
}
}
#[derive(Debug)]
pub struct UrlConversionError {
source: url::Url,
kind: UrlConversionErrorKind,
}
#[derive(Debug)]
pub enum UrlConversionErrorKind {
UnsupportedScheme,
UnableToConvert,
}
impl std::fmt::Display for UrlConversionError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self.kind {
UrlConversionErrorKind::UnsupportedScheme => {
write!(f, "unsupported scheme in URL: {}", self.source.scheme())
}
UrlConversionErrorKind::UnableToConvert => {
write!(f, "unable to convert URL to file path: {}", self.source)
}
}
}
}
impl std::error::Error for UrlConversionError {}
fn convert_url_to_uri(url: &url::Url) -> Result<Uri, UrlConversionErrorKind> {
if url.scheme() == "file" {
url.to_file_path()
.map(|path| Uri::File(helix_stdx::path::normalize(path)))
.map_err(|_| UrlConversionErrorKind::UnableToConvert)
} else {
Err(UrlConversionErrorKind::UnsupportedScheme)
}
}
impl TryFrom<url::Url> for Uri {
type Error = UrlConversionError;
fn try_from(url: url::Url) -> Result<Self, Self::Error> {
convert_url_to_uri(&url).map_err(|kind| Self::Error { source: url, kind })
}
}
impl TryFrom<&url::Url> for Uri {
type Error = UrlConversionError;
fn try_from(url: &url::Url) -> Result<Self, Self::Error> {
convert_url_to_uri(url).map_err(|kind| Self::Error {
source: url.clone(),
kind,
})
}
}
#[cfg(test)]
mod test {
use super::*;
use url::Url;
#[test]
fn unknown_scheme() {
let url = Url::parse("csharp:/metadata/foo/bar/Baz.cs").unwrap();
assert!(matches!(
Uri::try_from(url),
Err(UrlConversionError {
kind: UrlConversionErrorKind::UnsupportedScheme,
..
})
));
}
}

26
helix-term/src/application.rs
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@ -735,10 +735,10 @@ macro_rules! language_server {
}
}
Notification::PublishDiagnostics(mut params) => {
let path = match params.uri.to_file_path() {
Ok(path) => helix_stdx::path::normalize(path),
Err(_) => {
log::error!("Unsupported file URI: {}", params.uri);
let uri = match helix_core::Uri::try_from(params.uri) {
Ok(uri) => uri,
Err(err) => {
log::error!("{err}");
return;
}
};
@ -749,11 +749,11 @@ macro_rules! language_server {
}
// have to inline the function because of borrow checking...
let doc = self.editor.documents.values_mut()
.find(|doc| doc.path().map(|p| p == &path).unwrap_or(false))
.find(|doc| doc.uri().is_some_and(|u| u == uri))
.filter(|doc| {
if let Some(version) = params.version {
if version != doc.version() {
log::info!("Version ({version}) is out of date for {path:?} (expected ({}), dropping PublishDiagnostic notification", doc.version());
log::info!("Version ({version}) is out of date for {uri:?} (expected ({}), dropping PublishDiagnostic notification", doc.version());
return false;
}
}
@ -765,7 +765,7 @@ macro_rules! language_server {
let lang_conf = doc.language.clone();
if let Some(lang_conf) = &lang_conf {
if let Some(old_diagnostics) = self.editor.diagnostics.get(&path) {
if let Some(old_diagnostics) = self.editor.diagnostics.get(&uri) {
if !lang_conf.persistent_diagnostic_sources.is_empty() {
// Sort diagnostics first by severity and then by line numbers.
// Note: The `lsp::DiagnosticSeverity` enum is already defined in decreasing order
@ -798,7 +798,7 @@ macro_rules! language_server {
// Insert the original lsp::Diagnostics here because we may have no open document
// for diagnosic message and so we can't calculate the exact position.
// When using them later in the diagnostics picker, we calculate them on-demand.
let diagnostics = match self.editor.diagnostics.entry(path) {
let diagnostics = match self.editor.diagnostics.entry(uri) {
Entry::Occupied(o) => {
let current_diagnostics = o.into_mut();
// there may entries of other language servers, which is why we can't overwrite the whole entry
@ -1132,20 +1132,22 @@ fn handle_show_document(
..
} = params;
let path = match uri.to_file_path() {
Ok(path) => path,
let uri = match helix_core::Uri::try_from(uri) {
Ok(uri) => uri,
Err(err) => {
log::error!("unsupported file URI: {}: {:?}", uri, err);
log::error!("{err}");
return lsp::ShowDocumentResult { success: false };
}
};
// If `Uri` gets another variant other than `Path` this may not be valid.
let path = uri.as_path().expect("URIs are valid paths");
let action = match take_focus {
Some(true) => helix_view::editor::Action::Replace,
_ => helix_view::editor::Action::VerticalSplit,
};
let doc_id = match self.editor.open(&path, action) {
let doc_id = match self.editor.open(path, action) {
Ok(id) => id,
Err(err) => {
log::error!("failed to open path: {:?}: {:?}", uri, err);

63
helix-term/src/commands/lsp.rs
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@ -13,7 +13,9 @@
use super::{align_view, push_jump, Align, Context, Editor};
use helix_core::{syntax::LanguageServerFeature, text_annotations::InlineAnnotation, Selection};
use helix_core::{
syntax::LanguageServerFeature, text_annotations::InlineAnnotation, Selection, Uri,
};
use helix_stdx::path;
use helix_view::{
document::{DocumentInlayHints, DocumentInlayHintsId},
@ -34,7 +36,7 @@
collections::{BTreeMap, HashSet},
fmt::Write,
future::Future,
path::{Path, PathBuf},
path::Path,
};
/// Gets the first language server that is attached to a document which supports a specific feature.
@ -72,7 +74,7 @@ struct DiagnosticStyles {
}
struct PickerDiagnostic {
path: PathBuf,
uri: Uri,
diag: lsp::Diagnostic,
offset_encoding: OffsetEncoding,
}
@ -183,20 +185,20 @@ enum DiagnosticsFormat {
fn diag_picker(
cx: &Context,
diagnostics: BTreeMap<PathBuf, Vec<(lsp::Diagnostic, LanguageServerId)>>,
diagnostics: BTreeMap<Uri, Vec<(lsp::Diagnostic, LanguageServerId)>>,
format: DiagnosticsFormat,
) -> DiagnosticsPicker {
// TODO: drop current_path comparison and instead use workspace: bool flag?
// flatten the map to a vec of (url, diag) pairs
let mut flat_diag = Vec::new();
for (path, diags) in diagnostics {
for (uri, diags) in diagnostics {
flat_diag.reserve(diags.len());
for (diag, ls) in diags {
if let Some(ls) = cx.editor.language_server_by_id(ls) {
flat_diag.push(PickerDiagnostic {
path: path.clone(),
uri: uri.clone(),
diag,
offset_encoding: ls.offset_encoding(),
});
@ -243,8 +245,14 @@ fn diag_picker(
// between message code and message
2,
ui::PickerColumn::new("path", |item: &PickerDiagnostic, _| {
let path = path::get_truncated_path(&item.path);
path.to_string_lossy().to_string().into()
if let Some(path) = item.uri.as_path() {
path::get_truncated_path(path)
.to_string_lossy()
.to_string()
.into()
} else {
Default::default()
}
}),
);
primary_column += 1;
@ -257,17 +265,20 @@ fn diag_picker(
styles,
move |cx,
PickerDiagnostic {
path,
uri,
diag,
offset_encoding,
},
action| {
let Some(path) = uri.as_path() else {
return;
};
jump_to_position(cx.editor, path, diag.range, *offset_encoding, action)
},
)
.with_preview(move |_editor, PickerDiagnostic { path, diag, .. }| {
.with_preview(move |_editor, PickerDiagnostic { uri, diag, .. }| {
let line = Some((diag.range.start.line as usize, diag.range.end.line as usize));
Some((path.clone().into(), line))
Some((uri.clone().as_path_buf()?.into(), line))
})
.truncate_start(false)
}
@ -456,12 +467,17 @@ pub fn workspace_symbol_picker(cx: &mut Context) {
})
.without_filtering(),
ui::PickerColumn::new("path", |item: &SymbolInformationItem, _| {
match item.symbol.location.uri.to_file_path() {
Ok(path) => path::get_relative_path(path.as_path())
.to_string_lossy()
.to_string()
.into(),
Err(_) => item.symbol.location.uri.to_string().into(),
if let Ok(uri) = Uri::try_from(&item.symbol.location.uri) {
if let Some(path) = uri.as_path() {
path::get_relative_path(path)
.to_string_lossy()
.to_string()
.into()
} else {
item.symbol.location.uri.to_string().into()
}
} else {
item.symbol.location.uri.to_string().into()
}
}),
];
@ -489,16 +505,11 @@ pub fn workspace_symbol_picker(cx: &mut Context) {
pub fn diagnostics_picker(cx: &mut Context) {
let doc = doc!(cx.editor);
if let Some(current_path) = doc.path() {
let diagnostics = cx
.editor
.diagnostics
.get(current_path)
.cloned()
.unwrap_or_default();
if let Some(uri) = doc.uri() {
let diagnostics = cx.editor.diagnostics.get(&uri).cloned().unwrap_or_default();
let picker = diag_picker(
cx,
[(current_path.clone(), diagnostics)].into(),
[(uri, diagnostics)].into(),
DiagnosticsFormat::HideSourcePath,
);
cx.push_layer(Box::new(overlaid(picker)));
@ -842,6 +853,8 @@ fn goto_impl(
// With the preallocation above and UTF-8 paths already, this closure will do one (1)
// allocation, for `to_file_path`, else there will be two (2), with `to_string_lossy`.
if let Ok(path) = item.uri.to_file_path() {
// We don't convert to a `helix_core::Uri` here because we've already checked the scheme.
// This path won't be normalized but it's only used for display.
res.push_str(
&path.strip_prefix(cwdir).unwrap_or(&path).to_string_lossy(),
);

4
helix-view/src/document.rs
View File

@ -1741,6 +1741,10 @@ pub fn url(&self) -> Option<Url> {
Url::from_file_path(self.path()?).ok()
}
pub fn uri(&self) -> Option<helix_core::Uri> {
Some(self.path()?.clone().into())
}
#[inline]
pub fn text(&self) -> &Rope {
&self.text

12
helix-view/src/editor.rs
View File

@ -44,7 +44,7 @@
use helix_core::{
auto_pairs::AutoPairs,
syntax::{self, AutoPairConfig, IndentationHeuristic, LanguageServerFeature, SoftWrap},
Change, LineEnding, Position, Range, Selection, NATIVE_LINE_ENDING,
Change, LineEnding, Position, Range, Selection, Uri, NATIVE_LINE_ENDING,
};
use helix_dap as dap;
use helix_lsp::lsp;
@ -1022,7 +1022,7 @@ pub struct Editor {
pub macro_recording: Option<(char, Vec<KeyEvent>)>,
pub macro_replaying: Vec<char>,
pub language_servers: helix_lsp::Registry,
pub diagnostics: BTreeMap<PathBuf, Vec<(lsp::Diagnostic, LanguageServerId)>>,
pub diagnostics: BTreeMap<Uri, Vec<(lsp::Diagnostic, LanguageServerId)>>,
pub diff_providers: DiffProviderRegistry,
pub debugger: Option<dap::Client>,
@ -1929,7 +1929,7 @@ pub fn document_by_path_mut<P: AsRef<Path>>(&mut self, path: P) -> Option<&mut D
/// Returns all supported diagnostics for the document
pub fn doc_diagnostics<'a>(
language_servers: &'a helix_lsp::Registry,
diagnostics: &'a BTreeMap<PathBuf, Vec<(lsp::Diagnostic, LanguageServerId)>>,
diagnostics: &'a BTreeMap<Uri, Vec<(lsp::Diagnostic, LanguageServerId)>>,
document: &Document,
) -> impl Iterator<Item = helix_core::Diagnostic> + 'a {
Editor::doc_diagnostics_with_filter(language_servers, diagnostics, document, |_, _| true)
@ -1939,15 +1939,15 @@ pub fn doc_diagnostics<'a>(
/// filtered by `filter` which is invocated with the raw `lsp::Diagnostic` and the language server id it came from
pub fn doc_diagnostics_with_filter<'a>(
language_servers: &'a helix_lsp::Registry,
diagnostics: &'a BTreeMap<PathBuf, Vec<(lsp::Diagnostic, LanguageServerId)>>,
diagnostics: &'a BTreeMap<Uri, Vec<(lsp::Diagnostic, LanguageServerId)>>,
document: &Document,
filter: impl Fn(&lsp::Diagnostic, LanguageServerId) -> bool + 'a,
) -> impl Iterator<Item = helix_core::Diagnostic> + 'a {
let text = document.text().clone();
let language_config = document.language.clone();
document
.path()
.and_then(|path| diagnostics.get(path))
.uri()
.and_then(|uri| diagnostics.get(&uri))
.map(|diags| {
diags.iter().filter_map(move |(diagnostic, lsp_id)| {
let ls = language_servers.get_by_id(*lsp_id)?;

67
helix-view/src/handlers/lsp.rs
View File

@ -1,6 +1,7 @@
use crate::editor::Action;
use crate::Editor;
use crate::{DocumentId, ViewId};
use helix_core::Uri;
use helix_lsp::util::generate_transaction_from_edits;
use helix_lsp::{lsp, OffsetEncoding};
@ -54,18 +55,30 @@ pub struct ApplyEditError {
pub enum ApplyEditErrorKind {
DocumentChanged,
FileNotFound,
UnknownURISchema,
InvalidUrl(helix_core::uri::UrlConversionError),
IoError(std::io::Error),
// TODO: check edits before applying and propagate failure
// InvalidEdit,
}
impl From<std::io::Error> for ApplyEditErrorKind {
fn from(err: std::io::Error) -> Self {
ApplyEditErrorKind::IoError(err)
}
}
impl From<helix_core::uri::UrlConversionError> for ApplyEditErrorKind {
fn from(err: helix_core::uri::UrlConversionError) -> Self {
ApplyEditErrorKind::InvalidUrl(err)
}
}
impl ToString for ApplyEditErrorKind {
fn to_string(&self) -> String {
match self {
ApplyEditErrorKind::DocumentChanged => "document has changed".to_string(),
ApplyEditErrorKind::FileNotFound => "file not found".to_string(),
ApplyEditErrorKind::UnknownURISchema => "URI schema not supported".to_string(),
ApplyEditErrorKind::InvalidUrl(err) => err.to_string(),
ApplyEditErrorKind::IoError(err) => err.to_string(),
}
}
@ -74,25 +87,28 @@ fn to_string(&self) -> String {
impl Editor {
fn apply_text_edits(
&mut self,
uri: &helix_lsp::Url,
url: &helix_lsp::Url,
version: Option<i32>,
text_edits: Vec<lsp::TextEdit>,
offset_encoding: OffsetEncoding,
) -> Result<(), ApplyEditErrorKind> {
let path = match uri.to_file_path() {
Ok(path) => path,
Err(_) => {
let err = format!("unable to convert URI to filepath: {}", uri);
log::error!("{}", err);
self.set_error(err);
return Err(ApplyEditErrorKind::UnknownURISchema);
let uri = match Uri::try_from(url) {
Ok(uri) => uri,
Err(err) => {
log::error!("{err}");
return Err(err.into());
}
};
let path = uri.as_path().expect("URIs are valid paths");
let doc_id = match self.open(&path, Action::Load) {
let doc_id = match self.open(path, Action::Load) {
Ok(doc_id) => doc_id,
Err(err) => {
let err = format!("failed to open document: {}: {}", uri, err);
let err = format!(
"failed to open document: {}: {}",
path.to_string_lossy(),
err
);
log::error!("{}", err);
self.set_error(err);
return Err(ApplyEditErrorKind::FileNotFound);
@ -158,9 +174,9 @@ pub fn apply_workspace_edit(
for (i, operation) in operations.iter().enumerate() {
match operation {
lsp::DocumentChangeOperation::Op(op) => {
self.apply_document_resource_op(op).map_err(|io| {
self.apply_document_resource_op(op).map_err(|err| {
ApplyEditError {
kind: ApplyEditErrorKind::IoError(io),
kind: err,
failed_change_idx: i,
}
})?;
@ -214,12 +230,18 @@ pub fn apply_workspace_edit(
Ok(())
}
fn apply_document_resource_op(&mut self, op: &lsp::ResourceOp) -> std::io::Result<()> {
fn apply_document_resource_op(
&mut self,
op: &lsp::ResourceOp,
) -> Result<(), ApplyEditErrorKind> {
use lsp::ResourceOp;
use std::fs;
// NOTE: If `Uri` gets another variant than `Path`, the below `expect`s
// may no longer be valid.
match op {
ResourceOp::Create(op) => {
let path = op.uri.to_file_path().unwrap();
let uri = Uri::try_from(&op.uri)?;
let path = uri.as_path_buf().expect("URIs are valid paths");
let ignore_if_exists = op.options.as_ref().map_or(false, |options| {
!options.overwrite.unwrap_or(false) && options.ignore_if_exists.unwrap_or(false)
});
@ -236,7 +258,8 @@ fn apply_document_resource_op(&mut self, op: &lsp::ResourceOp) -> std::io::Resul
}
}
ResourceOp::Delete(op) => {
let path = op.uri.to_file_path().unwrap();
let uri = Uri::try_from(&op.uri)?;
let path = uri.as_path_buf().expect("URIs are valid paths");
if path.is_dir() {
let recursive = op
.options
@ -251,17 +274,19 @@ fn apply_document_resource_op(&mut self, op: &lsp::ResourceOp) -> std::io::Resul
}
self.language_servers.file_event_handler.file_changed(path);
} else if path.is_file() {
fs::remove_file(&path)?;
fs::remove_file(path)?;
}
}
ResourceOp::Rename(op) => {
let from = op.old_uri.to_file_path().unwrap();
let to = op.new_uri.to_file_path().unwrap();
let from_uri = Uri::try_from(&op.old_uri)?;
let from = from_uri.as_path().expect("URIs are valid paths");
let to_uri = Uri::try_from(&op.new_uri)?;
let to = to_uri.as_path().expect("URIs are valid paths");
let ignore_if_exists = op.options.as_ref().map_or(false, |options| {
!options.overwrite.unwrap_or(false) && options.ignore_if_exists.unwrap_or(false)
});
if !ignore_if_exists || !to.exists() {
self.move_path(&from, &to)?;
self.move_path(from, to)?;
}
}
}