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Josh Thomas 2025-08-25 10:52:37 -05:00
parent 20163b50f8
commit 541200cbb1
6 changed files with 77 additions and 81 deletions
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53
crates/djls-server/src/workspace/document.rs
View file

@ -1,8 +1,7 @@
use djls_workspace::{FileId, VfsSnapshot};
use std::sync::Arc;
use tower_lsp_server::lsp_types::{Position, Range};
use djls_workspace::{FileId, VfsSnapshot};
/// Document metadata container - no longer a Salsa input, just plain data
#[derive(Clone, Debug)]
pub struct TextDocument {
pub uri: String,
@ -20,39 +19,50 @@ impl TextDocument {
file_id,
}
}
pub fn file_id(&self) -> FileId {
self.file_id
}
pub fn get_content(&self, vfs: &VfsSnapshot) -> Option<Arc<str>> {
vfs.get_text(self.file_id)
}
pub fn get_line(&self, vfs: &VfsSnapshot, line_index: &LineIndex, line: u32) -> Option<String> {
let content = self.get_content(vfs)?;
let line_start = *line_index.line_starts.get(line as usize)?;
let line_end = line_index.line_starts
let line_end = line_index
.line_starts
.get(line as usize + 1)
.copied()
.unwrap_or(line_index.length);
Some(content[line_start as usize..line_end as usize].to_string())
}
pub fn get_text_range(&self, vfs: &VfsSnapshot, line_index: &LineIndex, range: Range) -> Option<String> {
pub fn get_text_range(
&self,
vfs: &VfsSnapshot,
line_index: &LineIndex,
range: Range,
) -> Option<String> {
let content = self.get_content(vfs)?;
let start_offset = line_index.offset(range.start)? as usize;
let end_offset = line_index.offset(range.end)? as usize;
Some(content[start_offset..end_offset].to_string())
}
pub fn get_template_tag_context(&self, vfs: &VfsSnapshot, line_index: &LineIndex, position: Position) -> Option<TemplateTagContext> {
pub fn get_template_tag_context(
&self,
vfs: &VfsSnapshot,
line_index: &LineIndex,
position: Position,
) -> Option<TemplateTagContext> {
let content = self.get_content(vfs)?;
let start = line_index.line_starts.get(position.line as usize)?;
let end = line_index
.line_starts
@ -136,16 +146,18 @@ impl LineIndex {
}
// Find the line text
let next_line_start = self.line_starts.get(position.line as usize + 1)
let next_line_start = self
.line_starts
.get(position.line as usize + 1)
.copied()
.unwrap_or(self.length);
let line_text = text.get(*line_start_utf8 as usize..next_line_start as usize)?;
// Convert UTF-16 character offset to UTF-8 byte offset within the line
let mut utf16_pos = 0;
let mut utf8_pos = 0;
for c in line_text.chars() {
if utf16_pos >= position.character {
break;
@ -153,7 +165,7 @@ impl LineIndex {
utf16_pos += u32::try_from(c.len_utf16()).unwrap_or(0);
utf8_pos += u32::try_from(c.len_utf8()).unwrap_or(0);
}
Some(line_start_utf8 + utf8_pos)
}
@ -217,4 +229,3 @@ pub struct TemplateTagContext {
pub closing_brace: ClosingBrace,
pub needs_leading_space: bool,
}

57
crates/djls-server/src/workspace/store.rs
View file

@ -110,7 +110,8 @@ impl Store {
.ok_or_else(|| anyhow!("Line index not found for: {}", uri_str))?;
// Apply text changes using the new function
let new_content = apply_text_changes(&current_content, &params.content_changes, line_index)?;
let new_content =
apply_text_changes(&current_content, &params.content_changes, line_index)?;
// Update TextDocument version
if let Some(document) = self.documents.get_mut(&uri_str) {
@ -317,11 +318,11 @@ fn apply_text_changes(
(Some(range_a), Some(range_b)) => {
// Primary sort: by line (reverse)
let line_cmp = range_b.start.line.cmp(&range_a.start.line);
if line_cmp != std::cmp::Ordering::Equal {
line_cmp
} else {
if line_cmp == std::cmp::Ordering::Equal {
// Secondary sort: by character (reverse)
range_b.start.character.cmp(&range_a.start.character)
} else {
line_cmp
}
}
_ => std::cmp::Ordering::Equal,
@ -333,14 +334,20 @@ fn apply_text_changes(
for change in &sorted_changes {
if let Some(range) = change.range {
// Convert UTF-16 positions to UTF-8 offsets
let start_offset = line_index.offset_utf16(range.start, &result)
let start_offset = line_index
.offset_utf16(range.start, &result)
.ok_or_else(|| anyhow!("Invalid start position: {:?}", range.start))?;
let end_offset = line_index.offset_utf16(range.end, &result)
let end_offset = line_index
.offset_utf16(range.end, &result)
.ok_or_else(|| anyhow!("Invalid end position: {:?}", range.end))?;
if start_offset as usize > result.len() || end_offset as usize > result.len() {
return Err(anyhow!("Offset out of bounds: start={}, end={}, len={}",
start_offset, end_offset, result.len()));
return Err(anyhow!(
"Offset out of bounds: start={}, end={}, len={}",
start_offset,
end_offset,
result.len()
));
}
// Apply the change
@ -360,7 +367,7 @@ mod tests {
fn test_apply_single_character_insertion() {
let content = "Hello world";
let line_index = LineIndex::new(content);
let changes = vec![TextDocumentContentChangeEvent {
range: Some(Range::new(Position::new(0, 6), Position::new(0, 6))),
range_length: None,
@ -375,11 +382,11 @@ mod tests {
fn test_apply_single_character_deletion() {
let content = "Hello world";
let line_index = LineIndex::new(content);
let changes = vec![TextDocumentContentChangeEvent {
range: Some(Range::new(Position::new(0, 5), Position::new(0, 6))),
range_length: None,
text: "".to_string(),
text: String::new(),
}];
let result = apply_text_changes(content, &changes, &line_index).unwrap();
@ -390,7 +397,7 @@ mod tests {
fn test_apply_multiple_changes_in_reverse_order() {
let content = "line 1\nline 2\nline 3";
let line_index = LineIndex::new(content);
// Insert "new " at position (1, 0) and "another " at position (0, 0)
let changes = vec![
TextDocumentContentChangeEvent {
@ -413,7 +420,7 @@ mod tests {
fn test_apply_multiline_replacement() {
let content = "line 1\nline 2\nline 3";
let line_index = LineIndex::new(content);
let changes = vec![TextDocumentContentChangeEvent {
range: Some(Range::new(Position::new(0, 0), Position::new(2, 6))),
range_length: None,
@ -428,7 +435,7 @@ mod tests {
fn test_apply_full_document_replacement() {
let content = "old content";
let line_index = LineIndex::new(content);
let changes = vec![TextDocumentContentChangeEvent {
range: None,
range_length: None,
@ -443,7 +450,7 @@ mod tests {
fn test_utf16_line_index_basic() {
let content = "hello world";
let line_index = LineIndex::new(content);
// ASCII characters should have 1:1 UTF-8:UTF-16 mapping
let pos = Position::new(0, 6);
let offset = line_index.offset_utf16(pos, content).unwrap();
@ -455,11 +462,11 @@ mod tests {
fn test_utf16_line_index_with_emoji() {
let content = "hello 👋 world";
let line_index = LineIndex::new(content);
// 👋 is 2 UTF-16 code units but 4 UTF-8 bytes
let pos_after_emoji = Position::new(0, 8); // UTF-16 position after "hello 👋"
let offset = line_index.offset_utf16(pos_after_emoji, content).unwrap();
// Should point to the space before "world"
assert_eq!(offset, 10); // UTF-8 byte offset
assert_eq!(&content[10..11], " ");
@ -469,7 +476,7 @@ mod tests {
fn test_utf16_line_index_multiline() {
let content = "first line\nsecond line";
let line_index = LineIndex::new(content);
let pos = Position::new(1, 7); // Position at 'l' in "line" on second line
let offset = line_index.offset_utf16(pos, content).unwrap();
assert_eq!(offset, 18); // 11 (first line + \n) + 7
@ -480,7 +487,7 @@ mod tests {
fn test_apply_changes_with_emoji() {
let content = "hello 👋 world";
let line_index = LineIndex::new(content);
// Insert text after the space following the emoji (UTF-16 position 9)
let changes = vec![TextDocumentContentChangeEvent {
range: Some(Range::new(Position::new(0, 9), Position::new(0, 9))),
@ -496,28 +503,28 @@ mod tests {
fn test_line_index_utf16_tracking() {
let content = "a👋b";
let line_index = LineIndex::new(content);
// Check UTF-16 line starts are tracked correctly
assert_eq!(line_index.line_starts_utf16, vec![0]);
assert_eq!(line_index.length_utf16, 4); // 'a' (1) + 👋 (2) + 'b' (1) = 4 UTF-16 units
assert_eq!(line_index.length, 6); // 'a' (1) + 👋 (4) + 'b' (1) = 6 UTF-8 bytes
}
#[test]
#[test]
fn test_edge_case_changes_at_boundaries() {
let content = "abc";
let line_index = LineIndex::new(content);
// Insert at beginning
let changes = vec![TextDocumentContentChangeEvent {
range: Some(Range::new(Position::new(0, 0), Position::new(0, 0))),
range_length: None,
text: "start".to_string(),
}];
let result = apply_text_changes(content, &changes, &line_index).unwrap();
assert_eq!(result, "startabc");
// Insert at end
let line_index = LineIndex::new(content);
let changes = vec![TextDocumentContentChangeEvent {
@ -525,7 +532,7 @@ mod tests {
range_length: None,
text: "end".to_string(),
}];
let result = apply_text_changes(content, &changes, &line_index).unwrap();
assert_eq!(result, "abcend");
}

15
crates/djls-workspace/src/bridge.rs
View file

@ -9,10 +9,7 @@ use std::{collections::HashMap, sync::Arc};
use salsa::Setter;
use super::{
db::{
parse_template, template_errors, Database, FileKindMini, SourceFile, TemplateAst,
TemplateLoaderOrder,
},
db::{parse_template, template_errors, Database, SourceFile, TemplateAst, TemplateLoaderOrder},
vfs::{FileKind, VfsSnapshot},
FileId,
};
@ -69,16 +66,12 @@ impl FileStore {
pub fn apply_vfs_snapshot(&mut self, snap: &VfsSnapshot) {
for (id, rec) in &snap.files {
let new_text = snap.get_text(*id).unwrap_or_else(|| Arc::<str>::from(""));
let new_kind = match rec.meta.kind {
FileKind::Python => FileKindMini::Python,
FileKind::Template => FileKindMini::Template,
FileKind::Other => FileKindMini::Other,
};
let new_kind = rec.meta.kind;
if let Some(sf) = self.files.get(id) {
// Update if changed — avoid touching Salsa when not needed
if sf.kind(&self.db) != new_kind {
sf.set_kind(&mut self.db).to(new_kind.clone());
sf.set_kind(&mut self.db).to(new_kind);
}
if sf.text(&self.db).as_ref() != &*new_text {
sf.set_text(&mut self.db).to(new_text.clone());
@ -100,7 +93,7 @@ impl FileStore {
/// Get the file kind classification by its [`FileId`].
///
/// Returns `None` if the file is not tracked in the [`FileStore`].
pub fn file_kind(&self, id: FileId) -> Option<FileKindMini> {
pub fn file_kind(&self, id: FileId) -> Option<FileKind> {
self.files.get(&id).map(|sf| sf.kind(&self.db))
}

29
crates/djls-workspace/src/db.rs
View file

@ -7,6 +7,8 @@ use std::sync::Arc;
#[cfg(test)]
use std::sync::Mutex;
use crate::vfs::FileKind;
/// Salsa database root for workspace
///
/// The [`Database`] provides default storage and, in tests, captures Salsa events for
@ -49,21 +51,6 @@ impl Default for Database {
#[salsa::db]
impl salsa::Database for Database {}
/// Minimal classification for analysis routing.
///
/// [`FileKindMini`] provides a lightweight categorization of files to determine which
/// analysis pipelines should process them. This is the Salsa-side representation
/// of file types, mapped from the VFS layer's `vfs::FileKind`.
#[derive(Clone, Eq, PartialEq, Hash, Debug)]
pub enum FileKindMini {
/// Python source file (.py)
Python,
/// Django template file (.html, .jinja, etc.)
Template,
/// Other file types not requiring specialized analysis
Other,
}
/// Represents a single file's classification and current content.
///
/// [`SourceFile`] is a Salsa input entity that tracks both the file's type (for routing
@ -72,7 +59,7 @@ pub enum FileKindMini {
#[salsa::input]
pub struct SourceFile {
/// The file's classification for analysis routing
pub kind: FileKindMini,
pub kind: FileKind,
/// The current text content of the file
#[returns(ref)]
pub text: Arc<str>,
@ -113,7 +100,7 @@ pub struct TemplateAst {
#[salsa::tracked]
pub fn parse_template(db: &dyn salsa::Database, file: SourceFile) -> Option<Arc<TemplateAst>> {
// Only parse template files
if file.kind(db) != FileKindMini::Template {
if file.kind(db) != FileKind::Template {
return None;
}
@ -161,7 +148,7 @@ mod tests {
// Create a template file
let template_content: Arc<str> = Arc::from("{% if user %}Hello {{ user.name }}{% endif %}");
let file = SourceFile::new(&db, FileKindMini::Template, template_content.clone());
let file = SourceFile::new(&db, FileKind::Template, template_content.clone());
// First parse - should execute the parsing
let ast1 = parse_template(&db, file);
@ -181,7 +168,7 @@ mod tests {
// Create a template file
let template_content1: Arc<str> = Arc::from("{% if user %}Hello{% endif %}");
let file = SourceFile::new(&db, FileKindMini::Template, template_content1);
let file = SourceFile::new(&db, FileKind::Template, template_content1);
// First parse
let ast1 = parse_template(&db, file);
@ -206,7 +193,7 @@ mod tests {
// Create a Python file
let python_content: Arc<str> = Arc::from("def hello():\n print('Hello')");
let file = SourceFile::new(&db, FileKindMini::Python, python_content);
let file = SourceFile::new(&db, FileKind::Python, python_content);
// Should return None for non-template files
let ast = parse_template(&db, file);
@ -223,7 +210,7 @@ mod tests {
// Create a template with an error (unclosed tag)
let template_content: Arc<str> = Arc::from("{% if user %}Hello {{ user.name }");
let file = SourceFile::new(&db, FileKindMini::Template, template_content);
let file = SourceFile::new(&db, FileKind::Template, template_content);
// Get errors
let errors1 = template_errors(&db, file);

3
crates/djls-workspace/src/lib.rs
View file

@ -5,8 +5,7 @@ mod watcher;
pub use bridge::FileStore;
pub use db::{
parse_template, template_errors, Database, FileKindMini, SourceFile, TemplateAst,
TemplateLoaderOrder,
parse_template, template_errors, Database, SourceFile, TemplateAst, TemplateLoaderOrder,
};
pub use vfs::{FileKind, FileMeta, FileRecord, Revision, TextSource, Vfs, VfsSnapshot};
pub use watcher::{VfsWatcher, WatchConfig, WatchEvent};

1
crates/djls-workspace/src/watcher.rs
View file

@ -317,4 +317,3 @@ mod tests {
assert_ne!(deleted, renamed);
}
}