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improved error message for FormulaParser when the formula has a leading equals sign

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@684075 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2008-08-08 20:14:24 +00:00
parent 2c344b6cd9
commit 4bf2be6ac0
2 changed files with 27 additions and 14 deletions
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14
src/java/org/apache/poi/hssf/model/FormulaParser.java
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@ -20,7 +20,6 @@ package org.apache.poi.hssf.model;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
import java.util.regex.Pattern;
//import PTGs .. since we need everything, import *
import org.apache.poi.hssf.record.formula.*;
@ -137,9 +136,16 @@ public final class FormulaParser {
/** Report What Was Expected */
private RuntimeException expected(String s) {
String msg = "Parse error near char " + (pointer-1) + " '" + look + "'"
+ " in specified formula '" + formulaString + "'. Expected "
+ s;
String msg;
if (look == '=' && formulaString.substring(0, pointer-1).trim().length() < 1) {
msg = "The specified formula '" + formulaString
+ "' starts with an equals sign which is not allowed.";
} else {
msg = "Parse error near char " + (pointer-1) + " '" + look + "'"
+ " in specified formula '" + formulaString + "'. Expected "
+ s;
}
return new FormulaParseException(msg);
}

27
src/testcases/org/apache/poi/hssf/model/TestFormulaParser.java
View File

@ -156,10 +156,10 @@ public final class TestFormulaParser extends TestCase {
HSSFRow row = sheet.createRow(0);
HSSFCell cell;
cell = row.createCell((short)0);
cell = row.createCell(0);
cell.setCellFormula("NoQuotesNeeded!A1");
cell = row.createCell((short)1);
cell = row.createCell(1);
cell.setCellFormula("'Quotes Needed Here &#$@'!A1");
}
@ -226,7 +226,7 @@ public final class TestFormulaParser extends TestCase {
HSSFRow row = sheet.createRow(0);
HSSFCell cell;
cell = row.createCell((short)0);
cell = row.createCell(0);
cell.setCellFormula("Cash_Flow!A1");
}
@ -259,7 +259,7 @@ public final class TestFormulaParser extends TestCase {
HSSFSheet sheet = wb.createSheet("Test");
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell((short)0);
HSSFCell cell = row.createCell(0);
String formula = null;
cell.setCellFormula("1.3E21/3");
@ -330,7 +330,7 @@ public final class TestFormulaParser extends TestCase {
HSSFSheet sheet = wb.createSheet("Test");
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell((short)0);
HSSFCell cell = row.createCell(0);
String formula = null;
// starts from decimal point
@ -369,7 +369,7 @@ public final class TestFormulaParser extends TestCase {
HSSFSheet sheet = wb.createSheet("Test");
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell((short)0);
HSSFCell cell = row.createCell(0);
String formula = null;
cell.setCellFormula("A1.A2");
@ -566,6 +566,7 @@ public final class TestFormulaParser extends TestCase {
confirmParseErrorLiteral(ErrPtg.NAME_INVALID, "#NAME?");
confirmParseErrorLiteral(ErrPtg.NUM_ERROR, "#NUM!");
confirmParseErrorLiteral(ErrPtg.N_A, "#N/A");
parseFormula("HLOOKUP(F7,#REF!,G7,#REF!)");
}
private static void confirmParseErrorLiteral(ErrPtg expectedToken, String formula) {
@ -603,7 +604,7 @@ public final class TestFormulaParser extends TestCase {
wb.setSheetName(0, "Sheet1");
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell((short)0);
HSSFCell cell = row.createCell(0);
cell.setCellFormula("right(\"test\"\"ing\", 3)");
String actualCellFormula = cell.getCellFormula();
if("RIGHT(\"test\"ing\",3)".equals(actualCellFormula)) {
@ -670,7 +671,7 @@ public final class TestFormulaParser extends TestCase {
wb.setSheetName(0, "Sheet1");
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell((short)0);
HSSFCell cell = row.createCell(0);
cell.setCellFormula("SUM(A32769:A32770)");
if("SUM(A-32767:A-32766)".equals(cell.getCellFormula())) {
fail("Identified bug 44539");
@ -768,6 +769,13 @@ public final class TestFormulaParser extends TestCase {
} catch (FormulaParseException e) {
assertEquals("Parse error near char 10 ';' in specified formula 'round(3.14;2)'. Expected ',' or ')'", e.getMessage());
}
try {
parseFormula(" =2+2");
throw new AssertionFailedError("Didn't get parse exception as expected");
} catch (FormulaParseException e) {
assertEquals("The specified formula ' =2+2' starts with an equals sign which is not allowed.", e.getMessage());
}
}
/**
@ -811,7 +819,7 @@ public final class TestFormulaParser extends TestCase {
assertEquals(2, ptgs.length);
assertEquals(NamePtg.class, ptgs[0].getClass());
HSSFCell cell = sheet.createRow(0).createCell((short)0);
HSSFCell cell = sheet.createRow(0).createCell(0);
cell.setCellFormula("count(pfy1)");
assertEquals("COUNT(pfy1)", cell.getCellFormula());
try {
@ -823,6 +831,5 @@ public final class TestFormulaParser extends TestCase {
}
}
cell.setCellFormula("count(fp1)"); // plain cell ref, col is in range
}
}