FormulaParser patch to address:
1) embedded ifs 2) GreaterEqual, LessEqual, NotEqual 3) Refactored stringliteral detection BR: 19079 Submitted By: fred at stsci dot edu git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353089 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Danny Muid
parent
ffe20f3e80
commit
b693562626
@ -457,6 +457,7 @@ public class FormulaParser {
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if (look != ')') {
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if (look != ')') {
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numArgs++;
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numArgs++;
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Expression();
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Expression();
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addArgumentPointer();
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}
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}
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while (look == ',' || look == ';') { //TODO handle EmptyArgs
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while (look == ',' || look == ';') { //TODO handle EmptyArgs
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if(look == ',') {
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if(look == ',') {
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@ -466,6 +467,7 @@ public class FormulaParser {
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Match(';');
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Match(';');
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}
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}
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Expression();
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Expression();
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addArgumentPointer();
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numArgs++;
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numArgs++;
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}
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}
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return numArgs;
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return numArgs;
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@ -478,7 +480,6 @@ public class FormulaParser {
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Expression();
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Expression();
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Match(')');
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Match(')');
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tokens.add(new ParenthesisPtg());
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tokens.add(new ParenthesisPtg());
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return;
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} else if (IsAlpha(look)){
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} else if (IsAlpha(look)){
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Ident();
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Ident();
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} else if(look == '"') {
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} else if(look == '"') {
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@ -499,9 +500,23 @@ public class FormulaParser {
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private void StringLiteral() {
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private void StringLiteral() {
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Match('"');
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Match('"');
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String name= GetNameAsIs();
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StringBuffer Token = new StringBuffer();
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Match('"');
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for(;;) {
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tokens.add(new StringPtg(name));
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if(look == '"') {
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GetChar();
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SkipWhite(); //potential white space here since it doesnt matter up to the operator
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if(look == '"')
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Token.append("\"");
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else
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break;
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} else if(look == 0) {
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break;
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} else {
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Token.append(look);
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GetChar();
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}
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}
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tokens.add(new StringPtg(Token.toString()));
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}
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}
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/** Recognize and Translate a Multiply */
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/** Recognize and Translate a Multiply */
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@ -525,16 +540,13 @@ public class FormulaParser {
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/** Parse and Translate a Math Term */
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/** Parse and Translate a Math Term */
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private void Term(){
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private void Term(){
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Factor();
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Factor();
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while (look == '*' || look == '/' || look == '^' || look == '&' ||
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while (look == '*' || look == '/' || look == '^' || look == '&') {
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look == '=' || look == '>' || look == '<' ) {
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///TODO do we need to do anything here??
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///TODO do we need to do anything here??
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if (look == '*') Multiply();
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if (look == '*') Multiply();
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if (look == '/') Divide();
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else if (look == '/') Divide();
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if (look == '^') Power();
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else if (look == '^') Power();
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if (look == '&') Concat();
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else if (look == '&') Concat();
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if (look == '=') Equal();
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if (look == '>') GreaterThan();
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if (look == '<') LessThan();
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}
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}
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}
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}
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@ -555,7 +567,7 @@ public class FormulaParser {
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/** Recognize and Translate a test for Equality */
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/** Recognize and Translate a test for Equality */
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private void Equal() {
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private void Equal() {
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Match('=');
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Match('=');
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Term();
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Expression();
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tokens.add(new EqualPtg());
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tokens.add(new EqualPtg());
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}
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}
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@ -581,31 +593,80 @@ public class FormulaParser {
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Term();
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Term();
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}
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}
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while (IsAddop(look)) {
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while (IsAddop(look)) {
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if ( look == '+' ) Add();
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if (look == '+' ) Add();
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if (look == '-') Subtract();
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else if (look == '-') Subtract();
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if (look == '*') Multiply();
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if (look == '/') Divide();
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if (look == '>') GreaterThan();
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if (look == '<') LessThan();
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}
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}
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addArgumentPointer();
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/*
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* This isn't quite right since it would allow multiple comparison operators.
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*/
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if(look == '=' || look == '>' || look == '<') {
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if (look == '=') Equal();
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else if (look == '>') GreaterThan();
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else if (look == '<') LessThan();
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return;
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}
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}
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}
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/** Recognize and Translate a Greater Than */
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/** Recognize and Translate a Greater Than */
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private void GreaterThan() {
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private void GreaterThan() {
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Match('>');
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Match('>');
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Term();
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if(look == '=')
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tokens.add(new GreaterThanPtg());
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GreaterEqual();
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else {
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Expression();
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tokens.add(new GreaterThanPtg());
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}
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}
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}
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/** Recognize and Translate a Less Than */
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/** Recognize and Translate a Less Than */
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private void LessThan() {
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private void LessThan() {
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Match('<');
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Match('<');
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Term();
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if(look == '=')
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tokens.add(new LessThanPtg());
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LessEqual();
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}
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else if(look == '>')
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NotEqual();
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else {
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Expression();
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tokens.add(new LessThanPtg());
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}
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}
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/**
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* Recognize and translate Greater than or Equal
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*
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*/
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private void GreaterEqual() {
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Match('=');
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Expression();
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tokens.add(new GreaterEqualPtg());
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}
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/**
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* Recognize and translate Less than or Equal
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*
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*/
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private void LessEqual() {
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Match('=');
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Expression();
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tokens.add(new LessEqualPtg());
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}
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/**
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* Recognize and not Equal
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*
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*/
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private void NotEqual() {
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Match('>');
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Expression();
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tokens.add(new NotEqualPtg());
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}
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//{--------------------------------------------------------------}
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//{--------------------------------------------------------------}
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//{ Parse and Translate an Assignment Statement }
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//{ Parse and Translate an Assignment Statement }
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121
src/java/org/apache/poi/hssf/record/formula/GreaterEqualPtg.java
Executable file
121
src/java/org/apache/poi/hssf/record/formula/GreaterEqualPtg.java
Executable file
@ -0,0 +1,121 @@
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2003 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache POI" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache POI", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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package org.apache.poi.hssf.record.formula;
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import org.apache.poi.hssf.util.SheetReferences;
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/**
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* PTG class to implement greater or equal to
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* @author fred at stsci dot edu
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*/
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public class GreaterEqualPtg
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extends OperationPtg
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{
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public final static int SIZE = 1;
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public final static byte sid = 0x0c;
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/** Creates new AddPtg */
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public GreaterEqualPtg()
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{
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}
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public GreaterEqualPtg(byte [] data, int offset)
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{
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// doesn't need anything
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}
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public void writeBytes(byte [] array, int offset)
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{
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array[ offset + 0 ] = sid;
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}
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public int getSize()
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{
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return SIZE;
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}
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public int getType()
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{
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return TYPE_BINARY;
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}
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public int getNumberOfOperands()
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{
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return 2;
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}
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public String toFormulaString(SheetReferences refs)
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{
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return ">=";
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}
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public String toFormulaString(String[] operands) {
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StringBuffer buffer = new StringBuffer();
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buffer.append(operands[ 0 ]);
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buffer.append(toFormulaString((SheetReferences)null));
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buffer.append(operands[ 1 ]);
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return buffer.toString();
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}
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public Object clone() {
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return new GreaterEqualPtg();
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}
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}
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122
src/java/org/apache/poi/hssf/record/formula/LessEqualPtg.java
Executable file
122
src/java/org/apache/poi/hssf/record/formula/LessEqualPtg.java
Executable file
@ -0,0 +1,122 @@
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/* ====================================================================
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* The Apache Software License, Version 1.1
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|
*
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|
* Copyright (c) 2003 The Apache Software Foundation. All rights
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|
* reserved.
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|
*
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|
* Redistribution and use in source and binary forms, with or without
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|
* modification, are permitted provided that the following conditions
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|
* are met:
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|
*
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|
* 1. Redistributions of source code must retain the above copyright
|
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|
* notice, this list of conditions and the following disclaimer.
|
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|
*
|
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|
* 2. Redistributions in binary form must reproduce the above copyright
|
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|
* notice, this list of conditions and the following disclaimer in
|
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|
* the documentation and/or other materials provided with the
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|
* distribution.
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|
*
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|
* 3. The end-user documentation included with the redistribution,
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|
* if any, must include the following acknowledgment:
|
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|
* "This product includes software developed by the
|
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|
* Apache Software Foundation (http://www.apache.org/)."
|
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|
* Alternately, this acknowledgment may appear in the software itself,
|
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|
* if and wherever such third-party acknowledgments normally appear.
|
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|
*
|
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|
* 4. The names "Apache" and "Apache Software Foundation" and
|
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|
* "Apache POI" must not be used to endorse or promote products
|
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|
* derived from this software without prior written permission. For
|
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|
* written permission, please contact apache@apache.org.
|
||||||
|
*
|
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|
* 5. Products derived from this software may not be called "Apache",
|
||||||
|
* "Apache POI", nor may "Apache" appear in their name, without
|
||||||
|
* prior written permission of the Apache Software Foundation.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||||
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
||||||
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||||
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||||
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||||
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
* ====================================================================
|
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|
*
|
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|
* This software consists of voluntary contributions made by many
|
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|
* individuals on behalf of the Apache Software Foundation. For more
|
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|
* information on the Apache Software Foundation, please see
|
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|
* <http://www.apache.org/>.
|
||||||
|
*/
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package org.apache.poi.hssf.record.formula;
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import org.apache.poi.hssf.util.SheetReferences;
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/**
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* Ptg class to implement less than or equal
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* @author fred at stsci dot edu
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*/
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public class LessEqualPtg
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extends OperationPtg
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{
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public final static int SIZE = 1;
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public final static byte sid = 0x0a;
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/** Creates new AddPtg */
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public LessEqualPtg()
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{
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}
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public LessEqualPtg(byte [] data, int offset)
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{
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// doesn't need anything
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}
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public void writeBytes(byte [] array, int offset)
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{
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array[ offset + 0 ] = sid;
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}
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public int getSize()
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{
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return SIZE;
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}
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public int getType()
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{
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return TYPE_BINARY;
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}
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public int getNumberOfOperands()
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{
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return 2;
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}
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public String toFormulaString(SheetReferences refs)
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{
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return "<=";
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}
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public String toFormulaString(String[] operands) {
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StringBuffer buffer = new StringBuffer();
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buffer.append(operands[ 0 ]);
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||||||
|
buffer.append(toFormulaString((SheetReferences)null));
|
||||||
|
buffer.append(operands[ 1 ]);
|
||||||
|
return buffer.toString();
|
||||||
|
}
|
||||||
|
|
||||||
|
public Object clone() {
|
||||||
|
return new LessEqualPtg();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
124
src/java/org/apache/poi/hssf/record/formula/NotEqualPtg.java
Executable file
124
src/java/org/apache/poi/hssf/record/formula/NotEqualPtg.java
Executable file
@ -0,0 +1,124 @@
|
|||||||
|
/* ====================================================================
|
||||||
|
* The Apache Software License, Version 1.1
|
||||||
|
*
|
||||||
|
* Copyright (c) 2002 The Apache Software Foundation. All rights
|
||||||
|
* reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
*
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
*
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in
|
||||||
|
* the documentation and/or other materials provided with the
|
||||||
|
* distribution.
|
||||||
|
*
|
||||||
|
* 3. The end-user documentation included with the redistribution,
|
||||||
|
* if any, must include the following acknowledgment:
|
||||||
|
* "This product includes software developed by the
|
||||||
|
* Apache Software Foundation (http://www.apache.org/)."
|
||||||
|
* Alternately, this acknowledgment may appear in the software itself,
|
||||||
|
* if and wherever such third-party acknowledgments normally appear.
|
||||||
|
*
|
||||||
|
* 4. The names "Apache" and "Apache Software Foundation" and
|
||||||
|
* "Apache POI" must not be used to endorse or promote products
|
||||||
|
* derived from this software without prior written permission. For
|
||||||
|
* written permission, please contact apache@apache.org.
|
||||||
|
*
|
||||||
|
* 5. Products derived from this software may not be called "Apache",
|
||||||
|
* "Apache POI", nor may "Apache" appear in their name, without
|
||||||
|
* prior written permission of the Apache Software Foundation.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||||
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
||||||
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||||
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||||
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||||
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||||
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
* ====================================================================
|
||||||
|
*
|
||||||
|
* This software consists of voluntary contributions made by many
|
||||||
|
* individuals on behalf of the Apache Software Foundation. For more
|
||||||
|
* information on the Apache Software Foundation, please see
|
||||||
|
* <http://www.apache.org/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
package org.apache.poi.hssf.record.formula;
|
||||||
|
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
import org.apache.poi.hssf.util.SheetReferences;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Ptg class to implement not equal
|
||||||
|
* @author fred at stsci dot edu
|
||||||
|
*/
|
||||||
|
|
||||||
|
public class NotEqualPtg
|
||||||
|
extends OperationPtg
|
||||||
|
{
|
||||||
|
public final static int SIZE = 1;
|
||||||
|
public final static byte sid = 0x0e;
|
||||||
|
|
||||||
|
/** Creates new AddPtg */
|
||||||
|
|
||||||
|
public NotEqualPtg()
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
public NotEqualPtg(byte [] data, int offset)
|
||||||
|
{
|
||||||
|
|
||||||
|
// doesn't need anything
|
||||||
|
}
|
||||||
|
|
||||||
|
public void writeBytes(byte [] array, int offset)
|
||||||
|
{
|
||||||
|
array[ offset + 0 ] = sid;
|
||||||
|
}
|
||||||
|
|
||||||
|
public int getSize()
|
||||||
|
{
|
||||||
|
return SIZE;
|
||||||
|
}
|
||||||
|
|
||||||
|
public int getType()
|
||||||
|
{
|
||||||
|
return TYPE_BINARY;
|
||||||
|
}
|
||||||
|
|
||||||
|
public int getNumberOfOperands()
|
||||||
|
{
|
||||||
|
return 2;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String toFormulaString(SheetReferences refs)
|
||||||
|
{
|
||||||
|
return "<>";
|
||||||
|
}
|
||||||
|
|
||||||
|
public String toFormulaString(String[] operands) {
|
||||||
|
StringBuffer buffer = new StringBuffer();
|
||||||
|
|
||||||
|
|
||||||
|
buffer.append(operands[ 0 ]);
|
||||||
|
buffer.append(toFormulaString((SheetReferences)null));
|
||||||
|
buffer.append(operands[ 1 ]);
|
||||||
|
return buffer.toString();
|
||||||
|
}
|
||||||
|
|
||||||
|
public Object clone() {
|
||||||
|
return new NotEqualPtg();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
@ -185,6 +185,18 @@ public abstract class Ptg
|
|||||||
retval = new LessThanPtg(data, offset);
|
retval = new LessThanPtg(data, offset);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
|
case LessEqualPtg.sid:
|
||||||
|
retval = new LessEqualPtg(data, offset);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case GreaterEqualPtg.sid:
|
||||||
|
retval = new GreaterEqualPtg(data, offset);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case NotEqualPtg.sid:
|
||||||
|
retval = new NotEqualPtg(data, offset);
|
||||||
|
break;
|
||||||
|
|
||||||
case ConcatPtg.sid :
|
case ConcatPtg.sid :
|
||||||
retval = new ConcatPtg(data, offset);
|
retval = new ConcatPtg(data, offset);
|
||||||
break;
|
break;
|
||||||
|
|||||||
@ -251,16 +251,39 @@ public class TestFormulaParser extends TestCase {
|
|||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
public void testSimpleLogical() {
|
public void testSimpleLogical() {
|
||||||
FormulaParser fp=new FormulaParser("IF(A1<A2,B1,B2)",null);
|
FormulaParser fp=new FormulaParser("IF(A1<A2,B1,B2)",null);
|
||||||
fp.parse();
|
fp.parse();
|
||||||
Ptg[] ptgs = fp.getRPNPtg();
|
Ptg[] ptgs = fp.getRPNPtg();
|
||||||
assertTrue("Ptg array should not be null", ptgs !=null);
|
assertTrue("Ptg array should not be null", ptgs !=null);
|
||||||
assertEquals("Ptg array length", 9, ptgs.length);
|
assertEquals("Ptg array length", 9, ptgs.length);
|
||||||
assertEquals("3rd Ptg is less than",LessThanPtg.class,ptgs[2].getClass());
|
assertEquals("3rd Ptg is less than",LessThanPtg.class,ptgs[2].getClass());
|
||||||
|
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
public void testParenIf() {
|
||||||
|
FormulaParser fp=new FormulaParser("IF((A1+A2)<=3,\"yes\",\"no\")",null);
|
||||||
|
fp.parse();
|
||||||
|
Ptg[] ptgs = fp.getRPNPtg();
|
||||||
|
assertTrue("Ptg array should not be null", ptgs !=null);
|
||||||
|
assertEquals("Ptg array length", 12, ptgs.length);
|
||||||
|
assertEquals("6th Ptg is less than equal",LessEqualPtg.class,ptgs[5].getClass());
|
||||||
|
assertEquals("11th Ptg is not a goto (Attr) ptg",AttrPtg.class,ptgs[10].getClass());
|
||||||
|
}
|
||||||
|
|
||||||
|
public void testEmbeddedIf() {
|
||||||
|
FormulaParser fp=new FormulaParser("IF(3>=1,\"*\",IF(4<>1,\"first\",\"second\"))",null);
|
||||||
|
fp.parse();
|
||||||
|
Ptg[] ptgs = fp.getRPNPtg();
|
||||||
|
assertTrue("Ptg array should not be null", ptgs !=null);
|
||||||
|
assertEquals("Ptg array length", 17, ptgs.length);
|
||||||
|
|
||||||
|
assertEquals("6th Ptg is not a goto (Attr) ptg",AttrPtg.class,ptgs[5].getClass());
|
||||||
|
assertEquals("9th Ptg is not a not equal ptg",NotEqualPtg.class,ptgs[8].getClass());
|
||||||
|
assertEquals("15th Ptg is not the inner IF variable function ptg",FuncVarPtg.class,ptgs[14].getClass());
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
public static void main(String [] args) {
|
public static void main(String [] args) {
|
||||||
System.out.println("Testing org.apache.poi.hssf.record.formula.FormulaParser");
|
System.out.println("Testing org.apache.poi.hssf.record.formula.FormulaParser");
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user