Add export functionality for XML, Markdown (MD), and TSV formats

src/components/gui/export/export-result-button.tsx

@@ -17,7 +17,15 @@ import OptimizeTableState, {
 } from "../table-optimized/optimize-table-state";
 
 export type ExportTarget = "clipboard" | "file";
-export type ExportFormat = "csv" | "delimited" | "json" | "sql" | "xlsx";
+export type ExportFormat =
+  | "csv"
+  | "delimited"
+  | "json"
+  | "sql"
+  | "xlsx"
+  | "xml"
+  | "md"
+  | "tsv";
 export type ExportSelection =
   | "complete"
   | "selected_row"
@@ -319,6 +327,33 @@ export default function ExportResultButton({
                     Excel
                   </Label>
                 </div>
+                <div className="flex items-center space-x-2">
+                  <RadioGroupItem value="xml" id="export-format-xml" />
+                  <Label
+                    htmlFor="export-format-xml"
+                    className="flex-1 font-normal"
+                  >
+                    XML
+                  </Label>
+                </div>
+                <div className="flex items-center space-x-2">
+                  <RadioGroupItem value="md" id="export-format-md" />
+                  <Label
+                    htmlFor="export-format-md"
+                    className="flex-1 font-normal"
+                  >
+                    Markdown
+                  </Label>
+                </div>
+                <div className="flex items-center space-x-2">
+                  <RadioGroupItem value="tsv" id="export-format-tsv" />
+                  <Label
+                    htmlFor="export-format-tsv"
+                    className="flex-1 font-normal"
+                  >
+                    TSV
+                  </Label>
+                </div>
               </RadioGroup>
             </div>
             <div className="grow">

src/lib/export-helper.ts

@@ -187,6 +187,81 @@ export function exportDataAsDelimitedText(
   return content;
 }
 
+export function exportRowsToXml(
+  headers: string[],
+  records: unknown[][],
+  exportTarget?: ExportTarget
+): string {
+  const escapeXml = (unsafe: string) =>
+    unsafe
+      .replace(/&/g, "&")
+      .replace(/</g, "&lt;")
+      .replace(/>/g, "&gt;")
+      .replace(/"/g, "&quot;")
+      .replace(/'/g, "&apos;");
+
+  let xml = '<?xml version="1.0" encoding="UTF-8"?>\n<rows>\n';
+
+  for (const record of records) {
+    xml += "  <row>\n";
+    for (let i = 0; i < headers.length; i++) {
+      const header = escapeXml(headers[i]);
+      const value = record[i] != null ? escapeXml(String(record[i])) : "";
+      xml += `    <${header}>${value}</${header}>\n`;
+    }
+    xml += "  </row>\n";
+  }
+
+  xml += "</rows>";
+
+  if (exportTarget === "clipboard") {
+    copyToClipboard(xml);
+    return "";
+  }
+
+  return xml;
+}
+
+export function exportToMarkdown(
+  headers: string[],
+  records: unknown[][],
+  exportTarget?: ExportTarget
+) {
+  let result = `| ${headers.join(" | ")} | \n`;
+  result += `| ${headers.map(() => "---").join(" | ")} | \n`;
+
+  for (const record of records) {
+    const row = record.map((value) => `| ${value} `).join(" ") + " |";
+    result += row + "\n";
+  }
+
+  if (exportTarget === "clipboard") {
+    copyToClipboard(result);
+    return "";
+  }
+
+  return result;
+}
+
+export function exportToTSV(
+  headers: string[],
+  records: unknown[][],
+  exportTarget?: ExportTarget
+) {
+  let result = `${headers.join("\t")}\n`;
+  for (const record of records) {
+    const row = record.join("\t");
+    result += row + "\n";
+  }
+
+  if (exportTarget === "clipboard") {
+    copyToClipboard(result);
+    return "";
+  }
+
+  return result;
+}
+
 export function getFormatHandlers(
   data: OptimizeTableState,
   exportTarget: ExportTarget,
@@ -278,6 +353,9 @@ export function getFormatHandlers(
         exportTarget,
         exportOptions?.nullValue || "NULL"
       ),
+    xml: () => exportRowsToXml(headers, records, exportTarget),
+    md: () => exportToMarkdown(headers, records, exportTarget),
+    tsv: () => exportToTSV(headers, records, exportTarget),
   };
 }
 
@@ -310,6 +388,14 @@ export async function exportTableData(
   exportTarget: ExportTarget,
   options?: ExportOptions
 ): Promise<string | Blob> {
+  console.log(
+    "Exporting",
+    schemaName,
+    tableName,
+    format,
+    exportTarget,
+    options
+  );
   const result = await databaseDriver.query(
     `SELECT * FROM ${databaseDriver.escapeId(schemaName)}.${databaseDriver.escapeId(tableName)}`
   );
@@ -338,6 +424,9 @@ export async function exportTableData(
         options?.encloser || '"',
         exportTarget
       ),
+    xml: () => exportRowsToXml(headers, records, exportTarget),
+    md: () => exportToMarkdown(headers, records, exportTarget),
+    tsv: () => exportToTSV(headers, records, exportTarget),
   };
 
   const handler = formatHandlers[format];