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Implementation Checker for TIFF
/**
* RuleElement.java
This program is free software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later version; or,
* at your choice, under the terms of the Mozilla Public License, v. 2.0. SPDX GPL-3.0+ or MPL-2.0+.
*
This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License and the Mozilla Public License for more details.
* You should have received a copy of the GNU General Public License and the Mozilla Public
* License along with this program. If not, see http://www.gnu.org/licenses/
* and at http://mozilla.org/MPL/2.0 .
NB: for the
* © statement, include Easy Innova SL or other company/Person contributing the code.
©
* 2015 Easy Innova, SL
*
* @author Víctor Muñoz Sola
* @version 1.0
* @since 23/7/2015
*/
package com.easyinnova.implementation_checker.rules;
import com.easyinnova.implementation_checker.model.TiffNode;
import com.easyinnova.implementation_checker.model.TiffTag;
import java.util.List;
/**
* Created by easy on 14/03/2016.
*/
public class RuleElement {
String fieldName;
String index;
Filter filter;
TiffNode node;
TiffNode model;
public boolean valid;
String multiplier;
String elevator;
public RuleElement(String field, TiffNode nodeBase, TiffNode model) {
valid = true;
this.node = nodeBase;
this.model = model;
filter = null;
fieldName = field;
if (fieldName.contains("*")) {
multiplier = fieldName.substring(0, fieldName.indexOf("*"));
fieldName = fieldName.substring(fieldName.indexOf("*")+1);
}
if (fieldName.contains("^")) {
elevator = fieldName.substring(0, fieldName.indexOf("^"));
fieldName = fieldName.substring(fieldName.indexOf("^")+1);
}
if (!fieldName.startsWith("$")) {
while (fieldName.contains(".") || fieldName.contains("[") || fieldName.contains("(")) {
int indexDot = fieldName.indexOf(".");
int indexCla = fieldName.indexOf("[");
int indexPar = fieldName.indexOf("(");
if (indexDot > -1 && (indexCla == -1 || indexDot < indexCla) && (indexPar == -1 || indexDot < indexPar)) {
String parent = fieldName.substring(0, indexDot);
if (parent.length() > 0) {
if (node != null)
node = node.getChild(parent);
else
{
valid = false;
break;
}
}
fieldName = fieldName.substring(indexDot + 1);
} else if (indexCla > -1 && (indexPar == -1 || indexCla < indexPar)) {
String filter = fieldName.substring(indexCla + 1);
String remaining = filter.substring(filter.indexOf("]") + 1).trim();
if (filter.indexOf("]") == -1)
filter.toString();
filter = filter.substring(0, filter.indexOf("]")).trim();
this.filter = new Filter(filter);
String currentfield = fieldName.substring(0, indexCla).trim();
if (remaining.length() == 0) {
fieldName = currentfield;
} else {
if (node != null)
node = node.getChild(currentfield, this.filter);
else
{
valid = false;
break;
}
this.filter = null;
fieldName = remaining;
}
} else {
String filter = fieldName.substring(indexPar + 1);
String remaining = filter.substring(filter.indexOf(")") + 1).trim();
index = filter.substring(0, filter.indexOf(")")).trim();
fieldName = remaining;
}
}
}
}
String getName() {
String val = fieldName;
if (fieldName.contains("%")) {
val = val.substring(0, val.indexOf("%"));
}
if (fieldName.contains("*")) {
val = val.substring(0, val.indexOf("*"));
}
return val.trim();
}
String operate(String value) {
String val = value;
if (this.fieldName.contains("%")) {
String op = this.fieldName.substring(this.fieldName.indexOf("%") + 1);
val = (Integer.parseInt(value) % Integer.parseInt(op)) + "";
}
if (this.fieldName.contains("*")) {
String op = this.fieldName.substring(this.fieldName.indexOf("*") + 1);
val = (Integer.parseInt(value) * Integer.parseInt(op)) + "";
}
return val;
}
public List getChildren() {
if (node == null) return null;
return node.getChildren(getName(), filter);
}
String operateMultiplier(String val) {
String value = val;
if (elevator != null) {
value = (int)(Math.pow(Double.parseDouble(elevator), Double.parseDouble(val))) + "";
}
if (multiplier != null) {
value = (int)(Double.parseDouble(value) * Integer.parseInt(multiplier)) + "";
}
return value;
}
public String getValue() {
if (fieldName.startsWith("$") && fieldName.endsWith("$")) {
String val = fieldName.replace("$", "");
TiffNode node = null;
String[] parts = val.split("\\.");
for (String nodeName : parts) {
if (node == null) {
if (model == null)
model.toString();
if (model.getContext().equals(nodeName))
node = model;
} else {
node = node.getChild(nodeName);
}
if (node == null) return null;
}
val = node.getValue();
return operateMultiplier(val);
} else if (fieldName.startsWith("'") && fieldName.endsWith("'")) {
String val = fieldName.substring(1);
val = val.substring(0, val.length() - 1);
return operateMultiplier(val);
}
try {
int ival = Integer.parseInt(fieldName);
return operateMultiplier(ival + "");
} catch (Exception ex) {
}
if(fieldName.equals("true") || fieldName.equals("false"))
return fieldName;
if (node == null) return null;
if (index != null) {
TiffTag ttag = ((TiffTag)node);
String tagvalue = ttag.getValue().replace("[", "").replace("]", "");
return tagvalue.split(",")[Integer.parseInt(index)];
}
if (!node.hasChild(getName(), filter)) return null;
String op1value = node.getChild(getName(), filter).getValue();
String value = operate(op1value);
if (value != null) {
if (value.contains("/")) {
try {
int inum = Integer.parseInt(value.substring(0, value.indexOf("/")));
int iden = Integer.parseInt(value.substring(value.indexOf("/") + 1));
if (inum == 0 && iden == 0) return "0";
return (inum / (float) iden) + "";
} catch (Exception ex) {
}
}
if (value.startsWith("[") && value.endsWith("]")) {
String val = value.substring(1);
val = val.substring(0, val.length() - 1);
val = val.split(",")[0];
value = val;
}
} else {
value = "";
}
return operateMultiplier(value);
}
}
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