public PdfBoolean GetAsBoolean(PdfName key)
{
PdfBoolean b = null;
PdfObject orig = GetDirectObject(key);
if (orig != null && orig.IsBoolean())
{
b = (PdfBoolean)orig;
}
return(b);
}
public PdfBoolean GetAsBoolean(int idx)
{
PdfBoolean b = null;
PdfObject orig = GetDirectObject(idx);
if (orig != null && orig.IsBoolean())
{
b = (PdfBoolean)orig;
}
return(b);
}
public static bool CompareObjects(PdfObject value1, PdfObject value2) {
value2 = GetDirectObject(value2);
if (value2 == null)
return false;
if (value1.Type != value2.Type)
return false;
if (value1.IsBoolean()){
if (value1 == value2)
return true;
if (value2 is PdfBoolean) {
return ((PdfBoolean)value1).BooleanValue == ((PdfBoolean)value2).BooleanValue;
}
return false;
} else if (value1.IsName()) {
return value1.Equals(value2);
} else if (value1.IsNumber()){
if (value1 == value2)
return true;
if (value2 is PdfNumber) {
return ((PdfNumber)value1).DoubleValue == ((PdfNumber)value2).DoubleValue;
}
return false;
} else if (value1.IsNull()){
if (value1 == value2)
return true;
if (value2 is PdfNull)
return true;
return false;
} else if (value1.IsString()){
if (value1 == value2)
return true;
if (value2 is PdfString) {
return ((value2 == null && value1.ToString() == null)
|| value1.ToString() == value2.ToString());
}
return false;
}
if (value1.IsArray()) {
PdfArray array1 = (PdfArray)value1;
PdfArray array2 = (PdfArray)value2;
if (array1.Size != array2.Size)
return false;
for (int i = 0; i < array1.Size; ++i)
if (!CompareObjects(array1[i],array2[i]))
return false;
return true;
}
if (value1.IsDictionary()) {
PdfDictionary first = (PdfDictionary)value1;
PdfDictionary second = (PdfDictionary)value2;
if (first.Size != second.Size)
return false;
foreach (PdfName name in first.hashMap.Keys) {
if (!CompareObjects(first.Get(name),second.Get(name)))
return false;
}
return true;
}
return false;
}
public static bool CompareObjects(PdfObject value1, PdfObject value2)
{
value2 = GetDirectObject(value2);
if (value2 == null)
{
return(false);
}
if (value1.Type != value2.Type)
{
return(false);
}
if (value1.IsBoolean())
{
if (value1 == value2)
{
return(true);
}
if (value2 is PdfBoolean)
{
return(((PdfBoolean)value1).BooleanValue == ((PdfBoolean)value2).BooleanValue);
}
return(false);
}
else if (value1.IsName())
{
return(value1.Equals(value2));
}
else if (value1.IsNumber())
{
if (value1 == value2)
{
return(true);
}
if (value2 is PdfNumber)
{
return(((PdfNumber)value1).DoubleValue == ((PdfNumber)value2).DoubleValue);
}
return(false);
}
else if (value1.IsNull())
{
if (value1 == value2)
{
return(true);
}
if (value2 is PdfNull)
{
return(true);
}
return(false);
}
else if (value1.IsString())
{
if (value1 == value2)
{
return(true);
}
if (value2 is PdfString)
{
return((value2 == null && value1.ToString() == null) ||
value1.ToString() == value2.ToString());
}
return(false);
}
if (value1.IsArray())
{
PdfArray array1 = (PdfArray)value1;
PdfArray array2 = (PdfArray)value2;
if (array1.Size != array2.Size)
{
return(false);
}
for (int i = 0; i < array1.Size; ++i)
{
if (!CompareObjects(array1[i], array2[i]))
{
return(false);
}
}
return(true);
}
if (value1.IsDictionary())
{
PdfDictionary first = (PdfDictionary)value1;
PdfDictionary second = (PdfDictionary)value2;
if (first.Size != second.Size)
{
return(false);
}
foreach (PdfName name in first.hashMap.Keys)
{
if (!CompareObjects(first.Get(name), second.Get(name)))
{
return(false);
}
}
return(true);
}
return(false);
}
