/**
* This will parse the stream and create a cmap object.
*
* @param input The CMAP stream to parse.
* @return The parsed stream as a java object.
*
* @throws IOException If there is an error parsing the stream.
*/
public CMap Parse(Stream input)
{
PushbackStream cmapStream = new PushbackStream(input);
CMap result = new CMap();
Object token = null;
while ((token = ParseNextToken(cmapStream)) != null)
{
if (token is Operator)
{
Operator op = (Operator)token;
if (op.op.Equals(BEGIN_CODESPACE_RANGE))
{
while (true)
{
Object nx = ParseNextToken(cmapStream);
if (nx is Operator && ((Operator)nx).op.Equals("endcodespacerange"))
{
break;
}
byte[] startRange = (byte[])nx;
byte[] endRange = (byte[])ParseNextToken(cmapStream);
CodespaceRange range = new CodespaceRange();
range.SetStart(startRange);
range.SetEnd(endRange);
result.AddCodespaceRange(range);
}
}
else if (op.op.Equals(BEGIN_BASE_FONT_CHAR))
{
while (true)
{
Object nx = ParseNextToken(cmapStream);
if (nx is Operator && ((Operator)nx).op.Equals("endbfchar"))
{
break;
}
byte[] inputCode = (byte[])nx;
Object nextToken = ParseNextToken(cmapStream);
if (nextToken is byte[])
{
byte[] bytes = (byte[])nextToken;
String value = CreateStringFromBytes(bytes);
result.AddMapping(inputCode, value);
}
else if (nextToken is LiteralName)
{
result.AddMapping(inputCode, ((LiteralName)nextToken).name);
}
else
{
throw new IOException(MessageLocalization.GetComposedMessage("error.parsing.cmap.beginbfchar.expected.cosstring.or.cosname.and.not.1", nextToken));
}
}
}
else if (op.op.Equals(BEGIN_BASE_FONT_RANGE))
{
while (true)
{
Object nx = ParseNextToken(cmapStream);
if (nx is Operator && ((Operator)nx).op.Equals("endbfrange"))
{
break;
}
byte[] startCode = (byte[])nx;
byte[] endCode = (byte[])ParseNextToken(cmapStream);
Object nextToken = ParseNextToken(cmapStream);
IList <byte[]> array = null;
byte[] tokenBytes = null;
if (nextToken is IList <byte[]> )
{
array = (IList <byte[]>)nextToken;
tokenBytes = array[0];
}
else
{
tokenBytes = (byte[])nextToken;
}
String value = null;
int arrayIndex = 0;
bool done = false;
while (!done)
{
if (Compare(startCode, endCode) >= 0)
{
done = true;
}
value = CreateStringFromBytes(tokenBytes);
result.AddMapping(startCode, value);
Increment(startCode);
if (array == null)
{
Increment(tokenBytes);
}
else
{
arrayIndex++;
if (arrayIndex < array.Count)
{
tokenBytes = array[arrayIndex];
}
}
}
}
}
}
}
return(result);
}
/**
* This will add a codespace range.
*
* @param range A single codespace range.
*/
public void AddCodespaceRange(CodespaceRange range)
{
codeSpaceRanges.Add(range);
}
