support for shared strings composed of multiple text parts

Author: HardworkingMarek

src/com/inet/excel/parser/ExcelParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 i-net software
+ * Copyright 2023 - 2025 i-net software
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -269,12 +269,21 @@ private void initSharedStrings( ZipFile zipFile ) {
             try {
                 List<String> list = new ArrayList<>();
 
+                String text = "";
                 while( reader.hasNext() ) {
                     reader.next();
-                    if( reader.getEventType() == XMLStreamReader.START_ELEMENT ) {
+
+                    int eventType = reader.getEventType();
+                    if( eventType == XMLStreamReader.START_ELEMENT ) {
                         String localName = reader.getLocalName();
                         if( "t".equals( localName ) ) {
-                            list.add( reader.getElementText() );
+                            text += reader.getElementText();
+                        }
+                    } else if( eventType == XMLStreamReader.END_ELEMENT ) {
+                        String localName = reader.getLocalName();
+                        if( "si".equals( localName ) ) {
+                            list.add( text );
+                            text = "";
                         }
                     }
                 }

test/com/inet/excel/parser/ExcelParserTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 - 2024 i-net software
+ * Copyright 2023 - 2025 i-net software
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -377,4 +377,19 @@ public void getColumnTypes_returns_value_types_for_columns_from_specified_sheet(
 
         assertEquals( asList( ValueType.VARCHAR, ValueType.VARCHAR, ValueType.DATE ), parser.getColumnTypes( "RowLimit" ) );
     }
+
+    @Test
+    public void supports_shared_strings_composed_of_multiple_text_parts() {
+        File resource = new File( ExcelParserTest.class.getResource( "./files/sharedStrings_with_multiple_text_parts.xlsx" ).getPath() );
+
+        // rows
+        ExcelParser parser = new ExcelParser( resource.toPath(), false );
+        List<List<Object>> expectedRows = asList( asList( "one two three", "four five" ),
+                                                  asList( "six seven", "eight nine ten" ) );
+        assertEquals( expectedRows, parser.getRows( "Sheet1", 1, 2 ) );
+
+        // columns
+        parser = new ExcelParser( resource.toPath(), true );
+        assertEquals( asList( "one two three", "four five" ), parser.getColumnNames( "Sheet1" ) );
+    }
 }