wip: Add Document Context

package-lock.json

@@ -1,6 +1,6 @@
 {
     "name": "xml",
-    "version": "2.0.0-preview.2",
+    "version": "2.3.1",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
@@ -2733,6 +2733,14 @@
                 "glob": "7.1.2"
             }
         },
+        "rxjs": {
+            "version": "6.2.1",
+            "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.2.1.tgz",
+            "integrity": "sha512-OwMxHxmnmHTUpgO+V7dZChf3Tixf4ih95cmXjzzadULziVl/FKhHScGLj4goEw9weePVOH2Q0+GcCBUhKCZc/g==",
+            "requires": {
+                "tslib": "1.9.0"
+            }
+        },
         "safe-buffer": {
             "version": "5.1.1",
             "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
@@ -3046,8 +3054,7 @@
         "tslib": {
             "version": "1.9.0",
             "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.0.tgz",
-            "integrity": "sha512-f/qGG2tUkrISBlQZEjEqoZ3B2+npJjIf04H1wuAv9iA8i04Icp+61KRXxFdha22670NJopsZCIjhC3SnjPRKrQ==",
-            "dev": true
+            "integrity": "sha512-f/qGG2tUkrISBlQZEjEqoZ3B2+npJjIf04H1wuAv9iA8i04Icp+61KRXxFdha22670NJopsZCIjhC3SnjPRKrQ=="
         },
         "tslint": {
             "version": "5.9.1",

package.json

@@ -253,6 +253,7 @@
         "vscode": "^1.1.16"
     },
     "dependencies": {
+        "rxjs": "^6.2.1",
         "xmldom": "^0.1.27",
         "xpath": "0.0.27",
         "xqlint": "^0.4.1"

src/common/document-context.ts

@@ -0,0 +1,73 @@
+import { BehaviorSubject, Observable, merge } from "rxjs";
+import { ExtensionContext, TextDocument, Uri, workspace } from "vscode";
+
+export class DocumentContext {
+
+    private static _contexts = new Array<DocumentContext>();
+
+    private _data = new Map<string, any>();
+    private _dataChangesSubject = new BehaviorSubject<DocumentContext>(this);
+    private _documentChangesSubject = new BehaviorSubject<DocumentContext>(this);
+
+    constructor(private _document: TextDocument) { }
+
+    static allDocumentChanges(): Observable<DocumentContext> {
+        return merge(...this._contexts.map(x => x.documentChanges));
+    }
+
+    get dataChanges(): Observable<DocumentContext> {
+        return this._dataChangesSubject.asObservable();
+    }
+
+    get documentChanges(): Observable<any> {
+        return this._documentChangesSubject.asObservable();
+    }
+
+    get document(): TextDocument {
+        return this._document;
+    }
+
+    static configure(context: ExtensionContext): void {
+        context.subscriptions.push(
+            workspace.onDidChangeTextDocument(e => {
+                const uri = e.document.uri;
+                let docContext = this.get(uri);
+
+                if (!docContext) {
+                    docContext = new DocumentContext(e.document);
+                }
+
+                else {
+                    docContext._document = e.document;
+                }
+
+                docContext._documentChangesSubject.next(docContext);
+            }),
+
+            workspace.onDidCloseTextDocument(e => {
+                const docContext = this.get(e.uri);
+
+                if (docContext) {
+                    this._contexts.splice(this._contexts.indexOf(docContext), 1);
+                }
+            })
+        );
+    }
+
+    static get(uri: Uri): DocumentContext | undefined {
+        return this._contexts.find(x => x.document.uri.toString() === uri.toString());
+    }
+
+    getContextData<T>(key: string): T {
+        return this._data.get(key);
+    }
+
+    setContextData(key: string, value: any, suppressChangeEvent?: boolean): void {
+        this._data.set(key, value);
+
+        if (!suppressChangeEvent) {
+            this._dataChangesSubject.next(this);
+        }
+    }
+
+}

src/common/index.ts

@@ -1,5 +1,6 @@
 export * from "./configuration";
 export * from "./create-document-selector";
+export * from "./document-context";
 export * from "./extension-state";
 export * from "./native-commands";
 export * from "./xml-traverser";

src/extension.ts

@@ -3,7 +3,7 @@ import {
     TextEditor, TextEditorSelectionChangeEvent, TextEditorSelectionChangeKind
     } from "vscode";
 
-import { createDocumentSelector, ExtensionState, Configuration } from "./common";
+import { createDocumentSelector, DocumentContext, ExtensionState, Configuration } from "./common";
 import { XQueryCompletionItemProvider } from "./completion";
 import { XmlFormatterFactory, XmlFormattingEditProvider } from "./formatting";
 import { formatAsXml, minifyXml } from "./formatting/commands";
@@ -16,6 +16,9 @@ import * as constants from "./constants";
 
 export function activate(context: ExtensionContext) {
     ExtensionState.configure(context);
+    DocumentContext.configure(context);
+
+    /* Document Change Handlers */
 
     const xmlXsdDocSelector = [...createDocumentSelector(constants.languageIds.xml), ...createDocumentSelector(constants.languageIds.xsd)];
     const xqueryDocSelector = createDocumentSelector(constants.languageIds.xquery);

tslint.json

@@ -13,11 +13,6 @@
         },
         "eofline": true,
         "forin": true,
-        "import-blacklist": [
-            true,
-            "rxjs",
-            "rxjs/Rx"
-        ],
         "import-spacing": true,
         "indent": [
             true,