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package ij.macro;
public class Variable implements MacroConstants, Cloneable {
static final int VALUE=0, ARRAY=1, STRING=2;
int symTabIndex;
private double value;
private String str;
private Variable[] array;
private int arraySize;
public Variable() {
}
public Variable(double value) {
this.value = value;
}
public Variable(String str) {
this.str = str;
}
public Variable(Variable[] array) {
this.array = array;
}
Variable(int symTabIndex, double value, String str) {
this.symTabIndex = symTabIndex;
this.value = value;
this.str = str;
}
Variable(int symTabIndex, double value, String str, Variable[] array) {
this.symTabIndex = symTabIndex;
this.value = value;
this.str = str;
this.array = array;
}
Variable(byte[] array) {
this.array = new Variable[array.length];
for (int i=0; i<array.length; i++)
this.array[i] = new Variable(array[i]&255);
}
Variable(int[] array) {
this.array = new Variable[array.length];
for (int i=0; i<array.length; i++)
this.array[i] = new Variable(array[i]);
}
Variable(double[] array) {
this.array = new Variable[array.length];
for (int i=0; i<array.length; i++)
this.array[i] = new Variable(array[i]);
}
public double getValue() {
if (str!=null)
return convertToDouble(); // string to number conversions
else
return value;
}
double convertToDouble() {
try {
Double d = Double.valueOf(str);
return d.doubleValue();
} catch (NumberFormatException e){
return Double.NaN;
}
}
void setValue(double value) {
this.value = value;
str = null;
array = null;
}
public String getString() {
return str;
}
void setString(String str) {
this.str = str;
value = 0.0;
array = null;
}
Variable[] getArray() {
return array;
}
void setArray(Variable[] array) {
this.array = array;
value = 0.0;
str = null;
arraySize = 0;
}
void setArraySize(int size) {
if (array==null)
size = 0;
else if (size>array.length)
size = array.length;
arraySize = size;
}
int getArraySize() {
int size = array!=null?array.length:0;
if (arraySize>0) size = arraySize;
return size;
}
int getType() {
if (array!=null)
return ARRAY;
else if (str!=null)
return STRING;
else
return VALUE;
}
public String toString() {
String s = "";
if (array!=null)
s += "array["+array.length+"]";
else if (str!=null) {
s = str;
if (s.length()>80)
s = s.substring(0, 80)+"...";
s = s.replaceAll("\n", " | ");
s = "\""+s+"\"";
} else {
if (value==(int)value)
s += (int)value;
else
s += ij.IJ.d2s(value,4);
}
return s;
}
public synchronized Object clone() {
try {return super.clone();}
catch (CloneNotSupportedException e) {return null;}
}
} // class Variable
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