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seperated out my experimental parsing stuff. 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352455 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew C. Oliver 2002-04-20 23:42:10 +00:00
parent c9cffe9d37
commit 75dd68f99c
1 changed files with 7 additions and 46 deletions
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53
src/java/org/apache/poi/hssf/record/formula/Ptg.java
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@ -77,44 +77,10 @@ public abstract class Ptg
{ {
} }
public static Ptg[] parse(String formula, int offset) {
List ptgs = new ArrayList();
while (offset < formula.length()) {
Ptg ptg = getNextToken(formula,offset);
offset += ptg.getStringLength();
ptgs.add(ptg);
}
Ptg[] retval = new Ptg[ptgs.size()]; /*
retval = (Ptg[])ptgs.toArray(retval); private static List ptgsToList(Class [] ptgs)
return retval;
}
public static String ptgsToString(Ptg[] ptgs) {
StringBuffer res = new StringBuffer();
for (int k =0; k < ptgs.length; k++) {
Ptg ptg = ptgs[k];
res.append(ptg.toFormulaString());
}
return res.toString();
}
public static Ptg getNextToken(String formula, int offset) {
//later use array of reflected methods like RecordFactory
Ptg retval = null;
if (AddPtg.isNextStringToken(formula,offset)) {
retval = new AddPtg(formula,offset);
} else if (IntPtg.isNextStringToken(formula,offset)) {
retval = new IntPtg(formula,offset);
} else {
throw new RuntimeException("didn't parse "+formula+" at " +offset);
}
return retval;
}
/* private static List ptgsToList(Class [] ptgs)
{ {
List result = new ArrayList(); List result = new ArrayList();
Constructor constructor; Constructor constructor;
@ -143,7 +109,7 @@ public abstract class Ptg
}*/ }*/
/*public static Ptg createPtg(byte [] data, int offset) public static Ptg createPtg(byte [] data, int offset)
{ {
byte id = data[ offset + 0 ]; byte id = data[ offset + 0 ];
Ptg retval = null; Ptg retval = null;
@ -193,9 +159,9 @@ public abstract class Ptg
retval = new ValueReferencePtg(data, offset); retval = new ValueReferencePtg(data, offset);
break; break;
case ParenthesisPtg.sid : // case ParenthesisPtg.sid :
retval = new ParenthesisPtg(data, offset); // retval = new ParenthesisPtg(data, offset);
break; // break;
case ValueVariableFunctionPtg.sid : case ValueVariableFunctionPtg.sid :
retval = new ValueVariableFunctionPtg(data, offset); retval = new ValueVariableFunctionPtg(data, offset);
@ -217,7 +183,7 @@ public abstract class Ptg
+ " (" + ( int ) id + ")"); + " (" + ( int ) id + ")");
} }
return retval; return retval;
}*/ }
public abstract int getSize(); public abstract int getSize();
@ -249,10 +215,5 @@ public abstract class Ptg
return 0; return 0;
} }
public static void main(String[] args) {
if (args != null && args[0] != null) {
System.out.println("Parsed Formula="+ ptgsToString(parse(args[0],0)));
}
}
} }