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Small fix for FormulaParser. Need case-insentive match for IF function name 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@660263 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2008-05-26 18:25:02 +00:00
parent 7c1e1f2478
commit d2fccf5b0c
2 changed files with 28 additions and 17 deletions
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31
src/java/org/apache/poi/hssf/model/FormulaParser.java
View File

@ -382,7 +382,7 @@ public final class FormulaParser {
} else {
retval = new FuncPtg(funcIx);
}
if (!name.equals(AbstractFunctionPtg.FUNCTION_NAME_IF)) {
if (!name.equalsIgnoreCase(AbstractFunctionPtg.FUNCTION_NAME_IF)) {
// early return for everything else besides IF()
return retval;
}
@ -1014,19 +1014,8 @@ end;
}
}
final OperationPtg o = (OperationPtg) ptg;
int nOperands = o.getNumberOfOperands();
final String[] operands = new String[nOperands];
for (int j = nOperands-1; j >= 0; j--) { // reverse iteration because args were pushed in-order
if(stack.isEmpty()) {
String msg = "Too few arguments suppled to operation token ("
+ o.getClass().getName() + "). Expected (" + nOperands
+ ") operands but got (" + (nOperands - j - 1) + ")";
throw new IllegalStateException(msg);
}
operands[j] = (String) stack.pop();
}
OperationPtg o = (OperationPtg) ptg;
String[] operands = getOperands(stack, o.getNumberOfOperands());
stack.push(o.toFormulaString(operands));
}
if(stack.isEmpty()) {
@ -1042,6 +1031,20 @@ end;
}
return result;
}
private static String[] getOperands(Stack stack, int nOperands) {
String[] operands = new String[nOperands];
for (int j = nOperands-1; j >= 0; j--) { // reverse iteration because args were pushed in-order
if(stack.isEmpty()) {
String msg = "Too few arguments supplied to operation. Expected (" + nOperands
+ ") operands but got (" + (nOperands - j - 1) + ")";
throw new IllegalStateException(msg);
}
operands[j] = (String) stack.pop();
}
return operands;
}
/**
* Static method to convert an array of Ptgs in RPN order
* to a human readable string format in infix mode. Works

14
src/testcases/org/apache/poi/hssf/model/TestFormulaParser.java
View File

@ -644,8 +644,16 @@ public final class TestFormulaParser extends TestCase {
Class[] expClss;
expClss = new Class[] { ReferencePtg.class, MissingArgPtg.class, ReferencePtg.class,
FuncVarPtg.class, };
expClss = new Class[] {
ReferencePtg.class,
AttrPtg.class, // tAttrIf
MissingArgPtg.class,
AttrPtg.class, // tAttrSkip
ReferencePtg.class,
AttrPtg.class, // tAttrSkip
FuncVarPtg.class,
};
confirmTokenClasses("if(A1, ,C1)", expClss);
expClss = new Class[] { MissingArgPtg.class, AreaPtg.class, MissingArgPtg.class,
@ -814,7 +822,7 @@ public final class TestFormulaParser extends TestCase {
fail("Expected exception was not thrown");
} catch (IllegalStateException e) {
// expected during successful test
assertTrue(e.getMessage().startsWith("Too few arguments suppled to operation token"));
assertTrue(e.getMessage().startsWith("Too few arguments supplied to operation"));
}
}
/**