styles: support for external styles. parsing external styles.

src/file/xml-components/imported-xml-component.ts

@@ -0,0 +1,71 @@
+import { XmlComponent, IXmlableObject } from ".";
+
+/**
+ * Represents imported xml component from xml file.
+ */
+export class ImportedXmlComponent extends XmlComponent {
+    private _attr: any;
+
+    constructor(rootKey: string, _attr?: any) {
+        super(rootKey);
+        if (_attr) {
+            this._attr = _attr;
+        }
+    }
+
+    /**
+     * Transforms the object so it can be converted to xml. Example:
+     * <w:someKey someAttr="1" otherAttr="11">
+     *    <w:child childAttr="2">
+     *    </w:child>
+     * </w:someKey>
+     * {
+     *   'w:someKey': [
+     *      {
+     *          _attr: {
+     *              someAttr: "1",
+     *              otherAttr: "11"
+     *          }
+     *      },
+     *      {
+     *          'w:child': [
+     *              {
+     *                  _attr: {
+     *                      childAttr: "2"
+     *                  }
+     *              }
+     *           ]
+     *      }
+     *    ]
+     * }
+     */
+    prepForXml(): IXmlableObject {
+        const result = super.prepForXml();
+        if (!!this._attr) {
+            if (!Array.isArray(result[this.rootKey])) {
+                result[this.rootKey] = [result[this.rootKey]];
+            }
+            result[this.rootKey].unshift({ _attr: this._attr });
+        }
+        return result;
+    }
+
+    push(xmlComponent: XmlComponent) {
+        this.root.push(xmlComponent);
+    }
+}
+
+/**
+ * Used for the attributes of root element that is being imported.
+ */
+export class ImportedRootElementAttributes extends XmlComponent {
+    constructor(private _attr: any) {
+        super("");
+    }
+
+    public prepForXml(): IXmlableObject {
+        return {
+            _attr: this._attr,
+        };
+    }
+}