/**
* Creates an XmpWriter.
* @param os
* @param utfEncoding
* @param extraSpace
* @throws IOException
*/
public XmpWriter(Stream os, string utfEncoding, int extraSpace)
{
this.extraSpace = extraSpace;
writer = new StreamWriter(os, SimpleXMLParser.GetEncodingEncoding(utfEncoding));
writer.Write("<?xpacket begin='\uFEFF' id='W5M0MpCehiHzreSzNTczkc9d' ?>\n");
writer.Write("<x:xmpmeta xmlns:x='adobe:ns:meta/'>\n");
writer.Write("<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>\n");
about = "";
}
/**
* Exports the bookmarks to XML. The DTD for this XML is:
* <p>
* <pre>
* <?xml version='1.0' encoding='UTF-8'?>
* <!ELEMENT Title (#PCDATA|Title)*>
* <!ATTLIST Title
* Action CDATA #IMPLIED
* Open CDATA #IMPLIED
* Page CDATA #IMPLIED
* URI CDATA #IMPLIED
* File CDATA #IMPLIED
* Named CDATA #IMPLIED
* NamedN CDATA #IMPLIED
* NewWindow CDATA #IMPLIED
* Style CDATA #IMPLIED
* Color CDATA #IMPLIED
* >
* <!ELEMENT Bookmark (Title)*>
* </pre>
* @param list the bookmarks
* @param out the export destination. The stream is not closed
* @param encoding the encoding according to IANA conventions
* @param onlyASCII codes above 127 will always be escaped with &#nn; if <CODE>true</CODE>,
* whatever the encoding
* @throws IOException on error
*/
public static void ExportToXML(ArrayList list, Stream outp, String encoding, bool onlyASCII)
{
StreamWriter wrt = new StreamWriter(outp, SimpleXMLParser.GetEncodingEncoding(encoding));
ExportToXML(list, wrt, encoding, onlyASCII);
}
public static string ConvertToString(byte[] bytes, string encoding)
{
if (bytes == null)
{
return(PdfObject.NOTHING);
}
if (encoding == null || encoding.Length == 0)
{
char[] c = new char[bytes.Length];
for (int k = 0; k < bytes.Length; ++k)
{
c[k] = (char)(bytes[k] & 0xff);
}
return(new String(c));
}
IExtraEncoding extra = null;
lock (extraEncodings) {
extra = (IExtraEncoding)extraEncodings[encoding.ToLower()];
}
if (extra != null)
{
String text = extra.ByteToChar(bytes, encoding);
if (text != null)
{
return(text);
}
}
char[] ch = null;
if (encoding.Equals(BaseFont.WINANSI))
{
ch = winansiByteToChar;
}
else if (encoding.Equals(PdfObject.TEXT_PDFDOCENCODING))
{
ch = pdfEncodingByteToChar;
}
if (ch != null)
{
int len = bytes.Length;
char[] c = new char[len];
for (int k = 0; k < len; ++k)
{
c[k] = ch[bytes[k] & 0xff];
}
return(new String(c));
}
String nameU = encoding.ToUpper();
bool marker = false;
bool big = false;
int offset = 0;
if (bytes.Length >= 2)
{
if (bytes[0] == (byte)254 && bytes[1] == (byte)255)
{
marker = true;
big = true;
offset = 2;
}
else if (bytes[0] == (byte)255 && bytes[1] == (byte)254)
{
marker = true;
big = false;
offset = 2;
}
}
Encoding enc = null;
if (nameU.Equals("UNICODEBIGUNMARKED") || nameU.Equals("UNICODEBIG"))
{
enc = new UnicodeEncoding(marker ? big : true, false);
}
if (nameU.Equals("UNICODELITTLEUNMARKED") || nameU.Equals("UNICODELITTLE"))
{
enc = new UnicodeEncoding(marker ? big : false, false);
}
if (enc != null)
{
return(enc.GetString(bytes, offset, bytes.Length - offset));
}
return(SimpleXMLParser.GetEncodingEncoding(encoding).GetString(bytes));
}
/**
* Converts a <CODE>string</CODE> to a </CODE>byte</CODE> array according
* to the font's encoding.
* @param text the <CODE>string</CODE> to be converted
* @return an array of <CODE>byte</CODE> representing the conversion according to the font's encoding
*/
public static byte[] ConvertToBytes(string text, string encoding)
{
if (text == null)
{
return(new byte[0]);
}
if (encoding == null || encoding.Length == 0)
{
int len = text.Length;
byte[] b = new byte[len];
for (int k = 0; k < len; ++k)
{
b[k] = (byte)text[k];
}
return(b);
}
IExtraEncoding extra = null;
lock (extraEncodings) {
extra = (IExtraEncoding)extraEncodings[encoding.ToLower()];
}
if (extra != null)
{
byte[] b = extra.CharToByte(text, encoding);
if (b != null)
{
return(b);
}
}
IntHashtable hash = null;
if (encoding.Equals(BaseFont.CP1252))
{
hash = winansi;
}
else if (encoding.Equals(PdfObject.TEXT_PDFDOCENCODING))
{
hash = pdfEncoding;
}
if (hash != null)
{
char[] cc = text.ToCharArray();
int len = cc.Length;
int ptr = 0;
byte[] b = new byte[len];
int c = 0;
for (int k = 0; k < len; ++k)
{
char char1 = cc[k];
if (char1 < 128 || (char1 >= 160 && char1 <= 255))
{
c = char1;
}
else
{
c = hash[char1];
}
if (c != 0)
{
b[ptr++] = (byte)c;
}
}
if (ptr == len)
{
return(b);
}
byte[] b2 = new byte[ptr];
Array.Copy(b, 0, b2, 0, ptr);
return(b2);
}
Encoding encw = SimpleXMLParser.GetEncodingEncoding(encoding);
byte[] preamble = encw.GetPreamble();
if (preamble.Length == 0)
{
return(encw.GetBytes(text));
}
byte[] encoded = encw.GetBytes(text);
byte[] total = new byte[encoded.Length + preamble.Length];
Array.Copy(preamble, 0, total, 0, preamble.Length);
Array.Copy(encoded, 0, total, preamble.Length, encoded.Length);
return(total);
}
