Support evaluation of indirect defined names in INDIRECT

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@910043 13f79535-47bb-0310-9956-ffa450edef68

src/documentation/content/xdocs/status.xml

@@ -34,6 +34,7 @@
 
     <changes>
         <release version="3.7-SNAPSHOT" date="2010-??-??">
+           <action dev="POI-DEVELOPERS" type="add">Support evaluation of indirect defined names in INDIRECT</action>
            <action dev="POI-DEVELOPERS" type="fix">43670 - Improve HDGF ChunkV11 separator detection, and short string detection, to solve the "Negative length of ChunkHeader" problem</action>
            <action dev="POI-DEVELOPERS" type="add">48617 - Optionally allow the overriding of the Locale used by DataFormatter to control how the default number and date formats should look</action>
            <action dev="POI-DEVELOPERS" type="add">New event based xssf text extractor (XSSFEventBasedExcelExtractor)</action>

src/java/org/apache/poi/ss/formula/OperationEvaluationContext.java

@@ -17,10 +17,7 @@
 
 package org.apache.poi.ss.formula;
 
-import org.apache.poi.hssf.record.formula.eval.AreaEval;
-import org.apache.poi.hssf.record.formula.eval.ErrorEval;
-import org.apache.poi.hssf.record.formula.eval.RefEval;
-import org.apache.poi.hssf.record.formula.eval.ValueEval;
+import org.apache.poi.hssf.record.formula.eval.*;
 import org.apache.poi.hssf.record.formula.functions.FreeRefFunction;
 import org.apache.poi.ss.SpreadsheetVersion;
 import org.apache.poi.ss.formula.CollaboratingWorkbooksEnvironment.WorkbookNotFoundException;
@@ -159,8 +156,11 @@ public final class OperationEvaluationContext {
 			case BAD_CELL_OR_NAMED_RANGE:
 				return ErrorEval.REF_INVALID;
 			case NAMED_RANGE:
-				throw new RuntimeException("Cannot evaluate '" + refStrPart1
-						+ "'. Indirect evaluation of defined names not supported yet");
+                EvaluationName nm = ((FormulaParsingWorkbook)_workbook).getName(refStrPart1, _sheetIndex);
+                if(!nm.isRange()){
+                    throw new RuntimeException("Specified name '" + refStrPart1 + "' is not a range as expected.");
+                }
+                return _bookEvaluator.evaluateNameFormula(nm.getNameDefinition(), this);
 		}
 		if (refStrPart2 == null) {
 			// no ':'

src/java/org/apache/poi/ss/formula/WorkbookEvaluator.java

@@ -580,7 +580,10 @@ public final class WorkbookEvaluator {
 
 		throw new RuntimeException("Unexpected ptg class (" + ptg.getClass().getName() + ")");
 	}
-	private ValueEval evaluateNameFormula(Ptg[] ptgs, OperationEvaluationContext ec) {
+    /**
+     * YK: Used by OperationEvaluationContext to resolve indirect names.
+     */
+	/*package*/ ValueEval evaluateNameFormula(Ptg[] ptgs, OperationEvaluationContext ec) {
 		if (ptgs.length > 1) {
 			throw new RuntimeException("Complex name formulas not supported yet");
 		}

src/testcases/org/apache/poi/hssf/record/formula/functions/TestIndirect.java

@@ -21,14 +21,11 @@ import junit.framework.AssertionFailedError;
 import junit.framework.TestCase;
 
 import org.apache.poi.hssf.record.formula.eval.ErrorEval;
-import org.apache.poi.hssf.usermodel.HSSFCell;
-import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
-import org.apache.poi.hssf.usermodel.HSSFRow;
-import org.apache.poi.hssf.usermodel.HSSFSheet;
-import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.hssf.usermodel.*;
 import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.CellValue;
 import org.apache.poi.ss.usermodel.FormulaEvaluator;
+import org.apache.poi.ss.util.CellReference;
 
 /**
  * Tests for the INDIRECT() function.</p>
@@ -62,6 +59,19 @@ public final class TestIndirect extends TestCase {
 
 		createDataRow(sheet3, 0, 30, 31, 32);
 		createDataRow(sheet3, 1, 33, 34, 35);
+
+        HSSFName name1 = wb.createName();
+        name1.setNameName("sales1");
+        name1.setRefersToFormula("Sheet1!A1:D1");
+
+        HSSFName name2 = wb.createName();
+        name2.setNameName("sales2");
+        name2.setRefersToFormula("Sheet2!B1:C3");
+
+        HSSFRow row = sheet1.createRow(3);
+        row.createCell(0).setCellValue("sales1");  //A4
+        row.createCell(1).setCellValue("sales2");  //B4
+
 		return wb;
 	}
 
@@ -103,6 +113,8 @@ public final class TestIndirect extends TestCase {
 
 		confirm(feA, c, "INDIRECT(\"A1:G1\")", 13); // de-reference area ref (note formula is in C4)
 
+        confirm(feA, c, "SUM(INDIRECT(A4))", 50); // indirect defined name
+        confirm(feA, c, "SUM(INDIRECT(B4))", 351); // indirect defined name pointinh to other sheet
 
 		// simple error propagation: