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-rw-r--r--support/texlab/src/completion/latex/include.rs190
1 files changed, 97 insertions, 93 deletions
diff --git a/support/texlab/src/completion/latex/include.rs b/support/texlab/src/completion/latex/include.rs
index 2f4090b3f3..1a8555d07c 100644
--- a/support/texlab/src/completion/latex/include.rs
+++ b/support/texlab/src/completion/latex/include.rs
@@ -1,129 +1,133 @@
use super::combinators::{self, Parameter};
-use crate::completion::factory;
-use crate::range::RangeExt;
-use crate::syntax::*;
-use crate::workspace::*;
-use futures_boxed::boxed;
-use lsp_types::{CompletionItem, CompletionParams, Range, TextEdit};
+use crate::{
+ completion::types::{Item, ItemData},
+ feature::FeatureRequest,
+ protocol::{CompletionParams, Range, RangeExt},
+ syntax::{latex, AstNodeIndex, SyntaxNode, LANGUAGE_DATA},
+};
use std::path::{Path, PathBuf};
-use walkdir::WalkDir;
+use tokio::fs;
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub struct LatexIncludeCompletionProvider;
+pub async fn complete_latex_includes<'a>(
+ req: &'a FeatureRequest<CompletionParams>,
+ items: &mut Vec<Item<'a>>,
+) {
+ let parameters = LANGUAGE_DATA.include_commands.iter().map(|cmd| Parameter {
+ name: &cmd.name[1..],
+ index: cmd.index,
+ });
-impl FeatureProvider for LatexIncludeCompletionProvider {
- type Params = CompletionParams;
- type Output = Vec<CompletionItem>;
+ combinators::argument_word(req, parameters, |cmd_node, index| async move {
+ if !req.current().is_file() {
+ return;
+ }
- #[boxed]
- async fn execute<'a>(&'a self, request: &'a FeatureRequest<Self::Params>) -> Self::Output {
- let parameters = LANGUAGE_DATA
- .include_commands
- .iter()
- .map(|cmd| Parameter::new(&cmd.name, cmd.index));
+ make_items(req, items, cmd_node, index).await;
+ })
+ .await;
+}
- combinators::argument_word(request, parameters, |command, index| {
- async move {
- if !request.document().is_file() {
- return Vec::new();
- }
+async fn make_items<'a>(
+ req: &'a FeatureRequest<CompletionParams>,
+ items: &mut Vec<Item<'a>>,
+ cmd_node: AstNodeIndex,
+ index: usize,
+) -> Option<()> {
+ let table = req.current().content.as_latex()?;
+ let pos = req.params.text_document_position.position;
+ let path_word = table.extract_word(cmd_node, latex::GroupKind::Group, index);
+ let name_range = match path_word {
+ Some(path_word) => Range::new_simple(
+ path_word.start().line,
+ path_word.end().character - path_word.text().split('/').last()?.chars().count() as u64,
+ path_word.end().line,
+ path_word.end().character,
+ ),
+ None => Range::new(pos, pos),
+ };
- let position = request.params.text_document_position.position;
- let mut items = Vec::new();
- let path_word = command.extract_word(index);
- let name_range = match path_word {
- Some(path_word) => Range::new_simple(
- path_word.start().line,
- path_word.end().character
- - path_word.text().split('/').last().unwrap().chars().count() as u64,
- path_word.end().line,
- path_word.end().character,
- ),
- None => Range::new(position, position),
- };
- let directory = current_directory(&request, &command);
+ let cmd = table.as_command(cmd_node)?;
+ let current_dir = current_dir(req, table, cmd_node)?;
+ let mut entries = fs::read_dir(current_dir).await.ok()?;
+ while let Some(entry) = entries.next_entry().await.ok()? {
+ let mut path = entry.path();
- for entry in WalkDir::new(directory)
- .min_depth(1)
- .max_depth(1)
- .follow_links(false)
- .into_iter()
- .filter_map(std::result::Result::ok)
- {
- if entry.file_type().is_file() && is_included(&command, &entry.path()) {
- let mut path = entry.into_path();
- let include_extension = LANGUAGE_DATA
- .include_commands
- .iter()
- .find(|cmd| command.name.text() == cmd.name)
- .unwrap()
- .include_extension;
+ let file_type = entry.file_type().await.ok()?;
+ if file_type.is_file() && is_included(&cmd, &path) {
+ let include_extension = LANGUAGE_DATA
+ .include_commands
+ .iter()
+ .find(|c| cmd.name.text() == c.name)?
+ .include_extension;
- if !include_extension {
- remove_extension(&mut path);
- }
- let text_edit = make_text_edit(name_range, &path);
- items.push(factory::file(request, &path, text_edit));
- } else if entry.file_type().is_dir() {
- let path = entry.into_path();
- let text_edit = make_text_edit(name_range, &path);
- items.push(factory::folder(request, &path, text_edit));
- }
- }
- items
+ if !include_extension {
+ remove_extension(&mut path);
}
- })
- .await
+ let name = path.file_name().unwrap().to_string_lossy().into_owned();
+ let item = Item::new(name_range, ItemData::File { name });
+ items.push(item);
+ } else if file_type.is_dir() {
+ let name = path.file_name().unwrap().to_string_lossy().into_owned();
+ let item = Item::new(name_range, ItemData::Directory { name });
+ items.push(item);
+ }
}
+ Some(())
}
-fn current_directory(
- request: &FeatureRequest<CompletionParams>,
- command: &LatexCommand,
-) -> PathBuf {
- let mut path = request.document().uri.to_file_path().unwrap();
- path = PathBuf::from(path.to_string_lossy().into_owned().replace('\\', "/"));
+fn current_dir(
+ req: &FeatureRequest<CompletionParams>,
+ table: &latex::SymbolTable,
+ cmd_node: AstNodeIndex,
+) -> Option<PathBuf> {
+ let mut path = req
+ .options
+ .latex
+ .as_ref()
+ .and_then(|latex| latex.root_directory.as_ref())
+ .map_or_else(
+ || {
+ let mut path = req.current().uri.to_file_path().unwrap();
+ path.pop();
+ path
+ },
+ Clone::clone,
+ );
- path.pop();
- if let Some(include) = command.extract_word(0) {
+ path = PathBuf::from(path.to_str()?.replace('\\', "/"));
+ if let Some(include) = table.extract_word(cmd_node, latex::GroupKind::Group, 0) {
path.push(include.text());
if !include.text().ends_with('/') {
path.pop();
}
}
- path
+ Some(path)
}
-fn is_included(command: &LatexCommand, file: &Path) -> bool {
+fn is_included(cmd: &latex::Command, file: &Path) -> bool {
if let Some(allowed_extensions) = LANGUAGE_DATA
.include_commands
.iter()
- .find(|cmd| command.name.text() == cmd.name)
- .unwrap()
- .kind
- .extensions()
+ .find(|c| c.name == cmd.name.text())
+ .and_then(|c| c.kind.extensions())
{
file.extension()
- .map(|extension| extension.to_string_lossy().to_lowercase())
- .map(|extension| allowed_extensions.contains(&extension.as_str()))
- .unwrap_or(false)
+ .and_then(|ext| ext.to_str())
+ .map(|ext| ext.to_lowercase())
+ .map(|ext| allowed_extensions.contains(&ext.as_str()))
+ .unwrap_or_default()
} else {
true
}
}
fn remove_extension(path: &mut PathBuf) {
- let stem = path
+ if let Some(stem) = path
.file_stem()
- .map(|stem| stem.to_string_lossy().into_owned());
-
- if let Some(stem) = stem {
+ .and_then(|stem| stem.to_str())
+ .map(ToOwned::to_owned)
+ {
path.pop();
- path.push(PathBuf::from(stem));
+ path.push(stem);
}
}
-
-fn make_text_edit(range: Range, path: &Path) -> TextEdit {
- let text = path.file_name().unwrap().to_string_lossy().into_owned();
- TextEdit::new(range, text)
-}