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PR1-Spreadsheet
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Spreadsheet calculate/evaluateCell method fix.

pull/1/head
selim 2023-12-26 17:40:50 +01:00
parent 138275e3e3
commit 5fbf2658d4
2 changed files with 79 additions and 74 deletions
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1
Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java
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@ -22,7 +22,6 @@ public class Axel {
System.out.println(spr.toStringShowFormula());
System.out.println(spr);
System.out.println(spr.cells[0][5]);
// TODO: You might want to put "UI loop" for entering value and formulas here resp. in some UI methods.

24
Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
View File

@ -150,13 +150,19 @@ public class Spreadsheet {
private void evaluateCell(int row, int col) {
String formula = cells[row][col].getFormula();
String result = "";
String substringStartCell1 = "";
String substringStartCell2 = "";
String substringStartCell3 = "";
String substringEndCell1 = "";
String substringEndCell2 = "";
if(formula.length()>10) {
String substringStartCell1 = formula.substring(formula.length() - 6, formula.length() - 4);
String substringStartCell2 = formula.substring(formula.length() - 7, formula.length() - 5);
String substringStartCell3 = formula.substring(formula.length() - 8, formula.length() - 5);
String substringEndCell1 = formula.substring(formula.length() - 3, formula.length() - 1);
String substringEndCell2 = formula.substring(formula.length() - 4, formula.length() - 1);
substringStartCell1 = formula.substring(formula.length() - 6, formula.length() - 4);
substringStartCell2 = formula.substring(formula.length() - 7, formula.length() - 5);
substringStartCell3 = formula.substring(formula.length() - 8, formula.length() - 5);
substringEndCell1 = formula.substring(formula.length() - 3, formula.length() - 1);
substringEndCell2 = formula.substring(formula.length() - 4, formula.length() - 1);
}
if (formula.startsWith("SUMME("))// e.g. SUMME(A3:A8)
if (formula.length() < 13)
@ -222,7 +228,7 @@ public class Spreadsheet {
result = "" + max(substringStartCell3, substringEndCell2);
else
result = "0";
}
else if (!formula.isEmpty()) {
try {
@ -380,7 +386,7 @@ public class Spreadsheet {
* @return The result calculated.
*/
private long calculate(String formula) throws ArithmeticException {
Matcher m = Pattern.compile("([A-Z][0-9]*)|[-+*/]|[0-9]+").matcher(formula);
Matcher m = Pattern.compile("([A-Z][1-9][0-9]*)|[-+*/]|[0-9]+").matcher(formula);
long result = 0;
long currentOperand = 0;
@ -392,9 +398,9 @@ public class Spreadsheet {
if (s.matches(("[0-9]+")))
currentOperand = Long.parseLong(s);
else if ((s.matches("[A-Z][1-9]*") || s.matches("[A-Z][1-9]*+")) && get(s).isEmpty())
else if (s.matches("[A-Z][1-9][0-9]*") && get(s).isEmpty())
currentOperand = 0;
else if ((s.matches("[A-Z][1-9]*") || s.matches("[A-Z][1-9]*+"))) {
else if (s.matches("[A-Z][1-9][0-9]*")) {
currentOperand = Long.parseLong(get(s));
} else {
if (!firstOperator) {