public static PdfArray Parse(Parsing.Lexer lexer)
{
var list = new List <IPdfObject>();
PdfObject value;
while ((value = PdfObject.ParseAny(lexer, "]")) != null)
{
list.Add(value);
}
return(new PdfArray(list));
}
public static PdfHexadecimalString Parse(Parsing.Lexer lexer)
{
var hexString = new StringBuilder();
string text = string.Empty;
while (text != ">")
{
hexString.Append(text);
text = lexer.ReadToken();
}
if ((hexString.Length % 2) != 0)
{
hexString.Append('0');
}
return(new PdfHexadecimalString(hexString.ToString()));
}
public static PdfStartXRef Parse(Parsing.Lexer lexer)
{
var n = PdfNumeric.Parse(lexer);
return(new PdfStartXRef(n));
}
public static PdfLiteralString Parse(Parsing.Lexer lexer)
{
int parenthesisCount = 0;
var sb = new StringBuilder();
char c = lexer.ReadChar();
while (parenthesisCount != 0 || c != ')')
{
if (c == '(')
{
parenthesisCount++;
}
else if (c == ')')
{
parenthesisCount--;
}
if (c == '\\')
{
c = lexer.ReadChar();
switch (c)
{
case 'n':
sb.Append("\n");
break;
case 'r':
sb.Append("\r");
break;
case 't':
sb.Append("\t");
break;
case 'f':
sb.Append("\f");
break;
// \b Backspace (BS)
case 'b':
throw new NotImplementedException("Backspace char parsing");
case '\\':
case ')':
case '(':
sb.Append(c);
break;
case '\r':
break;
default:
// \ddd Character code ddd (octal)
var octalNumber = new StringBuilder();
octalNumber.Append(c);
char c2 = lexer.ReadChar();
if (!char.IsDigit(c2))
{
lexer.Putc();
}
else
{
octalNumber.Append(c2);
char c3 = lexer.ReadChar();
if (!char.IsDigit(c3))
{
lexer.Putc();
}
else
{
octalNumber.Append(c2);
}
}
int octal = Convert.ToInt32(octalNumber.ToString(), 8);
sb.Append((char)octal);
break;
}
}
else
{
sb.Append(c);
}
c = lexer.ReadChar();
}
return(new PdfLiteralString(sb.ToString()));
}
public static PdfComment Parse(Parsing.Lexer lexer)
{
return(new PdfComment(lexer.ReadUntilEol()));
}
public static PdfNumeric Parse(Parsing.Lexer lexer)
{
return(new PdfNumeric(lexer.ReadToken()));
}
public static PdfName Parse(Parsing.Lexer lexer)
{
string name = lexer.ReadToken();
return(new PdfName(name));
}
public static PdfData Parse(Parsing.Lexer lexer, int length)
{
byte[] data = lexer.ReadBytes(length);
return(new PdfData(data));
}
public static PdfNull Parse(Parsing.Lexer lexer)
{
lexer.Expects("null");
return(Null);
}
