feat: add mfenced and mtable as bmatrix

src/converters/mathml-interfaces-to-latex/mathml-tag-to-latex/Dispatcher.ts

@@ -17,6 +17,8 @@ import {
   MSubsup,
   MText,
   MUnderover,
+  MTable,
+  MTr,
   GenericContentWrapperTag,
   GenericUnderOverTag,
 } from './mathml-tags';
@@ -70,6 +72,10 @@ export class Dispatcher {
         return new MText(this._value, this._attributes, this._children);
       case 'munderover':
         return new MUnderover(this._value, this._attributes, this._children);
+      case 'mtable':
+        return new MTable(this._value, this._attributes, this._children);
+      case 'mtr':
+        return new MTr(this._value, this._attributes, this._children);
       case 'mover':
       case 'munder':
         return new GenericUnderOverTag(this._name, this._value, this._attributes, this._children);

src/converters/mathml-interfaces-to-latex/mathml-tag-to-latex/mathml-tags/MFenced.ts

@@ -1,6 +1,7 @@
 import { MathMLTag } from './MathMLTag';
 import { GenericWrapper } from '../../../../utils/wrappers';
 import { JoinWithManySeparators } from '../../../../utils';
+import { MTable } from './MTable';
 
 export class MFenced extends MathMLTag {
   private readonly _open: string;
@@ -16,8 +17,14 @@ export class MFenced extends MathMLTag {
   }
 
   convert(): string {
+    if (this._isMatrix()) return new Matrix(this._open).apply(this._mapChildrenToLaTeX().join());
+
     return new Vector(this._open, this._close, this._separators).apply(this._mapChildrenToLaTeX());
   }
+
+  private _isMatrix(): boolean {
+    return this._children.some((child) => child instanceof MTable);
+  }
 }
 
 class Vector {
@@ -37,3 +44,15 @@ class Vector {
     return new GenericWrapper(this._open, this._close).wrap(contentWithoutWrapper);
   }
 }
+
+class Matrix {
+  private readonly _open: string;
+
+  constructor(open: string) {
+    this._open = open;
+  }
+
+  apply(latex: string): string {
+    return '\\begin{bmatrix}\n' + latex + '\n\\end{bmatrix}';
+  }
+}

src/converters/mathml-interfaces-to-latex/mathml-tag-to-latex/mathml-tags/MTable.ts

@@ -0,0 +1,11 @@
+import { MathMLTag } from './MathMLTag';
+
+export class MTable extends MathMLTag {
+  constructor(value: string, attributes: Record<string, string>, children: MathMLTag[]) {
+    super('mtable', value, attributes, children);
+  }
+
+  convert(): string {
+    return this._mapChildrenToLaTeX().join(' \\\\\n');
+  }
+}

src/converters/mathml-interfaces-to-latex/mathml-tag-to-latex/mathml-tags/MTr.ts

@@ -0,0 +1,11 @@
+import { MathMLTag } from './MathMLTag';
+
+export class MTr extends MathMLTag {
+  constructor(value: string, attributes: Record<string, string>, children: MathMLTag[]) {
+    super('mtr', value, attributes, children);
+  }
+
+  convert(): string {
+    return this._mapChildrenToLaTeX().join(' & ');
+  }
+}

src/converters/mathml-interfaces-to-latex/mathml-tag-to-latex/mathml-tags/index.ts

@@ -16,5 +16,7 @@ export { MSub } from './MSub';
 export { MSubsup } from './MSubsup';
 export { MText } from './MText';
 export { MUnderover } from './MUnderover';
+export { MTable } from './MTable';
+export { MTr } from './MTr';
 export { GenericContentWrapperTag } from './GenericContentWrapperTag';
 export { GenericUnderOverTag } from './GenericUnderOverTag';