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This commit is contained in:
Pine Wu
2018-04-10 12:38:40 -07:00
parent c1b9138a23
commit c17fb0ebff
4 changed files with 92 additions and 66 deletions
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2
extensions/css-language-features/server/src/cssServerMain.ts
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@@ -49,7 +49,7 @@ connection.onShutdown(() => {
});
let scopedSettingsSupport = false;
let workspaceFolders: WorkspaceFolder[] | undefined;
let workspaceFolders: WorkspaceFolder[];
// After the server has started the client sends an initilize request. The server receives
// in the passed params the rootPath of the workspace plus the client capabilities.

145
extensions/css-language-features/server/src/pathCompletion.ts
View File

@@ -10,75 +10,67 @@ import URI from 'vscode-uri';
import { TextDocument, CompletionList, CompletionItemKind, CompletionItem, TextEdit, Range, Position } from 'vscode-languageserver-types';
import { WorkspaceFolder } from 'vscode-languageserver';
import { ICompletionParticipant, URILiteralCompletionContext } from 'vscode-css-languageservice';
import { ICompletionParticipant } from 'vscode-css-languageservice';
import { startsWith } from './utils/strings';
export function getPathCompletionParticipant(
document: TextDocument,
workspaceFolders: WorkspaceFolder[] | undefined,
workspaceFolders: WorkspaceFolder[],
result: CompletionList
): ICompletionParticipant {
return {
onURILiteralValue: (context: URILiteralCompletionContext) => {
if (!workspaceFolders || workspaceFolders.length === 0) {
return;
}
const workspaceRoot = resolveWorkspaceRoot(document, workspaceFolders);
onURILiteralValue: ({ position, range, uriValue }) => {
const fullValue = stripQuotes(uriValue);
// Handle quoted values
let uriValue = context.uriValue;
let range = context.range;
if (startsWith(uriValue, `'`) || startsWith(uriValue, `"`)) {
uriValue = uriValue.slice(1, -1);
range = getRangeWithoutQuotes(range);
}
if (shouldDoPathCompletion(fullValue)) {
if (!workspaceFolders || workspaceFolders.length === 0) {
return;
}
const workspaceRoot = resolveWorkspaceRoot(document, workspaceFolders);
const suggestions = providePathSuggestions(uriValue, range, URI.parse(document.uri).fsPath, workspaceRoot);
result.items = [...suggestions, ...result.items];
const paths = providePaths(fullValue, URI.parse(document.uri).fsPath, workspaceRoot);
result.items = [...paths.map(p => pathToSuggestion(p, fullValue, fullValue, range)), ...result.items];
}
}
};
}
export function providePathSuggestions(value: string, range: Range, activeDocFsPath: string, root?: string): CompletionItem[] {
if (startsWith(value, '/') && !root) {
function stripQuotes(fullValue: string) {
if (startsWith(fullValue, `'`) || startsWith(fullValue, `"`)) {
return fullValue.slice(1, -1);
} else {
return fullValue;
}
}
function shouldDoPathCompletion(fullValue: string) {
if (fullValue === '.') {
return false;
}
return true;
}
/**
* Get a list of path suggestions. Folder suggestions are suffixed with a slash.
*/
function providePaths(valueBeforeCursor: string, activeDocFsPath: string, root?: string): string[] {
if (startsWith(valueBeforeCursor, '/') && !root) {
return [];
}
let replaceRange: Range;
const lastIndexOfSlash = value.lastIndexOf('/');
if (lastIndexOfSlash === -1) {
replaceRange = getFullReplaceRange(range);
} else {
const valueAfterLastSlash = value.slice(lastIndexOfSlash + 1);
replaceRange = getReplaceRange(range, valueAfterLastSlash);
}
const lastIndexOfSlash = valueBeforeCursor.lastIndexOf('/');
const valueBeforeLastSlash = valueBeforeCursor.slice(0, lastIndexOfSlash + 1);
const valueBeforeLastSlash = value.slice(0, lastIndexOfSlash + 1);
const parentDir = startsWith(value, '/')
const parentDir = startsWith(valueBeforeCursor, '/')
? path.resolve(root, '.' + valueBeforeLastSlash)
: path.resolve(activeDocFsPath, '..', valueBeforeLastSlash);
try {
return fs.readdirSync(parentDir).map(f => {
if (isDir(path.resolve(parentDir, f))) {
return {
label: f + '/',
kind: CompletionItemKind.Folder,
textEdit: TextEdit.replace(replaceRange, f + '/'),
command: {
title: 'Suggest',
command: 'editor.action.triggerSuggest'
}
};
} else {
return {
label: f,
kind: CompletionItemKind.File,
textEdit: TextEdit.replace(replaceRange, f)
};
}
return isDir(path.resolve(parentDir, f))
? f + '/'
: f;
});
} catch (e) {
return [];
@@ -93,6 +85,48 @@ const isDir = (p: string) => {
}
};
function pathToSuggestion(p: string, valueBeforeCursor: string, fullValue: string, range: Range): CompletionItem {
const isDir = p[p.length - 1] === '/';
let replaceRange: Range;
const lastIndexOfSlash = valueBeforeCursor.lastIndexOf('/');
if (lastIndexOfSlash === -1) {
replaceRange = shiftRange(range, 1, -1);
} else {
// For cases where cursor is in the middle of attribute value, like <script src="./s|rc/test.js">
// Find the last slash before cursor, and calculate the start of replace range from there
const valueAfterLastSlash = fullValue.slice(lastIndexOfSlash + 1);
const startPos = shiftPosition(range.end, -1 - valueAfterLastSlash.length);
// If whitespace exists, replace until it
const whiteSpaceIndex = valueAfterLastSlash.indexOf(' ');
let endPos;
if (whiteSpaceIndex !== -1) {
endPos = shiftPosition(startPos, whiteSpaceIndex);
} else {
endPos = shiftPosition(range.end, -1);
}
replaceRange = Range.create(startPos, endPos);
}
if (isDir) {
return {
label: p,
kind: CompletionItemKind.Folder,
textEdit: TextEdit.replace(replaceRange, p),
command: {
title: 'Suggest',
command: 'editor.action.triggerSuggest'
}
};
} else {
return {
label: p,
kind: CompletionItemKind.File,
textEdit: TextEdit.replace(replaceRange, p)
};
}
}
function resolveWorkspaceRoot(activeDoc: TextDocument, workspaceFolders: WorkspaceFolder[]): string | undefined {
for (let i = 0; i < workspaceFolders.length; i++) {
if (startsWith(activeDoc.uri, workspaceFolders[i].uri)) {
@@ -101,18 +135,11 @@ function resolveWorkspaceRoot(activeDoc: TextDocument, workspaceFolders: Workspa
}
}
function getFullReplaceRange(valueRange: Range) {
const start = Position.create(valueRange.end.line, valueRange.start.character);
const end = Position.create(valueRange.end.line, valueRange.end.character);
return Range.create(start, end);
}
function getReplaceRange(valueRange: Range, valueAfterLastSlash: string) {
const start = Position.create(valueRange.end.line, valueRange.end.character - valueAfterLastSlash.length);
const end = Position.create(valueRange.end.line, valueRange.end.character);
return Range.create(start, end);
}
function getRangeWithoutQuotes(range: Range) {
const start = Position.create(range.start.line, range.start.character + 1);
const end = Position.create(range.end.line, range.end.character - 1);
function shiftPosition(pos: Position, offset: number): Position {
return Position.create(pos.line, pos.character + offset);
}
function shiftRange(range: Range, startOffset: number, endOffset: number): Range {
const start = shiftPosition(range.start, startOffset);
const end = shiftPosition(range.end, endOffset);
return Range.create(start, end);
}