Port vscode-xquery to vscode-xml

I'll be consolidating the two extensions into one.

src/services/XQueryCompleter.ts

@@ -0,0 +1,43 @@
+'use strict';
+
+let XQLint = require('xqlint').XQLint;
+
+export class XQueryCompleter {
+    constructor(script: string) {
+        this.script = script;
+    }
+    
+    private _script: string;
+    private _linter: any;
+    
+    get script(): string {
+        return this._script;
+    }
+    
+    set script(value: string) {
+        this._script = value;
+        this._linter = new XQLint(this._script);
+    }
+    
+    getCompletions(line: number, column: number): XQueryCompletionItem[] {
+        let items: XQueryCompletionItem[] = new Array<XQueryCompletionItem>();
+        
+        this._linter.getCompletions({line: line, col: column}).forEach((completion: any) => {
+            items.push(new XQueryCompletionItem(completion.name, completion.value, completion.meta));
+        });
+        
+        return items;
+    }
+}
+
+export class XQueryCompletionItem {
+    constructor(name: string, value: string, meta: string) {
+        this.name = name;
+        this.value = value;
+        this.meta = meta;
+    }
+    
+    name: string;
+    value: string;
+    meta: string;
+}

src/services/XQueryLinter.ts

@@ -0,0 +1,41 @@
+'use strict';
+
+let XQLint = require('xqlint').XQLint;
+
+export class XQueryLinter {
+    static SEVERITY_WARNING: number = 1;
+    static SEVERITY_ERROR: number = 2;
+    
+    static lint(text: string): XQueryDiagnostic[] {
+        let linter = new XQLint(text);
+        let diagnostics: XQueryDiagnostic[] = new Array<XQueryDiagnostic>();
+        
+        linter.getErrors().forEach((error: any) => {
+            diagnostics.push(new XQueryDiagnostic(XQueryLinter.SEVERITY_ERROR, error.message, error.pos.sl, error.pos.sc, error.pos.el, error.pos.ec));
+        });
+        
+        linter.getWarnings().forEach((warning: any) => {
+            diagnostics.push(new XQueryDiagnostic(XQueryLinter.SEVERITY_WARNING, warning.message, warning.pos.sl, warning.pos.sc, warning.pos.el, warning.pos.ec));
+        });
+        
+        return diagnostics;
+    }
+}
+
+export class XQueryDiagnostic {
+    constructor(severity: number, message: string, startLine: number, startColumn: number, endLine: number, endColumn: number) {
+        this.severity = severity;
+        this.message = message;
+        this.startLine = startLine;
+        this.startColumn = startColumn;
+        this.endLine = endLine;
+        this.endColumn = endColumn;
+    }
+    
+    severity: number;
+    message: string;
+    startLine: number;
+    startColumn: number;
+    endLine: number;
+    endColumn: number;
+}