mirror of
https://github.com/UglyToad/PdfPig.git
synced 2026-03-10 00:23:29 +08:00
Revert "extra non printable char" due to github changing new lines
This reverts commit 1f6ecd7ab4.
This commit is contained in:
Michael Plaisted
@@ -1,305 +1,305 @@
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namespace UglyToad.PdfPig.Writer
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namespace UglyToad.PdfPig.Writer
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{
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{
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using System;
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using System;
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using System.Collections.Generic;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Globalization;
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using System.Text;
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using System.Text;
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using System.IO;
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using System.IO;
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using System.Linq;
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using System.Linq;
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using Core;
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using Core;
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using Graphics.Operations;
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using Graphics.Operations;
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using Tokens;
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using Tokens;
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using Util;
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using Util;
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/// <summary>
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/// <summary>
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/// Writes any type of <see cref="IToken"/> to the corresponding PDF document format output.
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/// Writes any type of <see cref="IToken"/> to the corresponding PDF document format output.
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/// </summary>
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/// </summary>
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public class TokenWriter
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public class TokenWriter
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{
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{
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private static readonly byte Backslash = GetByte("\\");
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private static readonly byte Backslash = GetByte("\\");
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private static readonly byte ArrayStart = GetByte("[");
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private static readonly byte ArrayStart = GetByte("[");
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private static readonly byte ArrayEnd = GetByte("]");
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private static readonly byte ArrayEnd = GetByte("]");
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private static readonly byte[] DictionaryStart = OtherEncodings.StringAsLatin1Bytes("<<");
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private static readonly byte[] DictionaryStart = OtherEncodings.StringAsLatin1Bytes("<<");
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private static readonly byte[] DictionaryEnd = OtherEncodings.StringAsLatin1Bytes(">>");
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private static readonly byte[] DictionaryEnd = OtherEncodings.StringAsLatin1Bytes(">>");
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private static readonly byte Comment = GetByte("%");
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private static readonly byte Comment = GetByte("%");
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private static readonly byte[] Eof = OtherEncodings.StringAsLatin1Bytes("%%EOF");
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private static readonly byte[] Eof = OtherEncodings.StringAsLatin1Bytes("%%EOF");
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private static readonly byte[] FalseBytes = OtherEncodings.StringAsLatin1Bytes("false");
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private static readonly byte[] FalseBytes = OtherEncodings.StringAsLatin1Bytes("false");
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private static readonly byte HexStart = GetByte("<");
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private static readonly byte HexStart = GetByte("<");
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private static readonly byte HexEnd = GetByte(">");
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private static readonly byte HexEnd = GetByte(">");
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private static readonly byte InUseEntry = GetByte("n");
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private static readonly byte InUseEntry = GetByte("n");
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private static readonly byte NameStart = GetByte("/");
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private static readonly byte NameStart = GetByte("/");
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private static readonly byte[] Null = OtherEncodings.StringAsLatin1Bytes("null");
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private static readonly byte[] Null = OtherEncodings.StringAsLatin1Bytes("null");
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private static readonly byte[] ObjStart = OtherEncodings.StringAsLatin1Bytes("obj");
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private static readonly byte[] ObjStart = OtherEncodings.StringAsLatin1Bytes("obj");
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private static readonly byte[] ObjEnd = OtherEncodings.StringAsLatin1Bytes("endobj");
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private static readonly byte[] ObjEnd = OtherEncodings.StringAsLatin1Bytes("endobj");
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private static readonly byte RByte = GetByte("R");
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private static readonly byte RByte = GetByte("R");
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private static readonly byte[] StartXref = OtherEncodings.StringAsLatin1Bytes("startxref");
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private static readonly byte[] StartXref = OtherEncodings.StringAsLatin1Bytes("startxref");
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private static readonly byte[] StreamStart = OtherEncodings.StringAsLatin1Bytes("stream");
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private static readonly byte[] StreamStart = OtherEncodings.StringAsLatin1Bytes("stream");
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private static readonly byte[] StreamEnd = OtherEncodings.StringAsLatin1Bytes("endstream");
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private static readonly byte[] StreamEnd = OtherEncodings.StringAsLatin1Bytes("endstream");
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private static readonly byte StringStart = GetByte("(");
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private static readonly byte StringStart = GetByte("(");
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private static readonly byte StringEnd = GetByte(")");
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private static readonly byte StringEnd = GetByte(")");
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private static readonly byte[] Trailer = OtherEncodings.StringAsLatin1Bytes("trailer");
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private static readonly byte[] Trailer = OtherEncodings.StringAsLatin1Bytes("trailer");
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private static readonly byte[] TrueBytes = OtherEncodings.StringAsLatin1Bytes("true");
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private static readonly byte[] TrueBytes = OtherEncodings.StringAsLatin1Bytes("true");
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private static readonly byte Whitespace = GetByte(" ");
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private static readonly byte Whitespace = GetByte(" ");
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private static readonly byte[] Xref = OtherEncodings.StringAsLatin1Bytes("xref");
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private static readonly byte[] Xref = OtherEncodings.StringAsLatin1Bytes("xref");
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private static readonly HashSet<char> DelimiterChars = new HashSet<char>
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private static readonly HashSet<char> DelimiterChars = new HashSet<char>
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{
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{
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'(',
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'(',
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')',
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')',
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'<',
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'<',
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'>',
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'>',
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'[',
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'[',
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']',
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']',
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'{',
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'{',
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'}',
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'}',
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'/',
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'/',
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'%'
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'%'
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};
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};
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/// <summary>
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/// <summary>
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/// Writes the given input token to the output stream with the correct PDF format and encoding including whitespace and line breaks as applicable.
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/// Writes the given input token to the output stream with the correct PDF format and encoding including whitespace and line breaks as applicable.
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/// </summary>
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/// </summary>
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/// <param name="token">The token to write to the stream.</param>
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/// <param name="token">The token to write to the stream.</param>
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/// <param name="outputStream">The stream to write the token to.</param>
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/// <param name="outputStream">The stream to write the token to.</param>
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public static void WriteToken(IToken token, Stream outputStream)
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public static void WriteToken(IToken token, Stream outputStream)
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{
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{
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if (token == null)
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if (token == null)
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{
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{
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throw new ArgumentNullException(nameof(token));
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throw new ArgumentNullException(nameof(token));
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}
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}
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switch (token)
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switch (token)
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{
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{
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case ArrayToken array:
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case ArrayToken array:
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WriteArray(array, outputStream);
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WriteArray(array, outputStream);
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break;
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break;
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case BooleanToken boolean:
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case BooleanToken boolean:
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WriteBoolean(boolean, outputStream);
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WriteBoolean(boolean, outputStream);
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break;
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break;
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case CommentToken comment:
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case CommentToken comment:
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WriteComment(comment, outputStream);
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WriteComment(comment, outputStream);
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break;
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break;
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case DictionaryToken dictionary:
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case DictionaryToken dictionary:
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WriteDictionary(dictionary, outputStream);
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WriteDictionary(dictionary, outputStream);
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break;
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break;
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case HexToken hex:
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case HexToken hex:
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WriteHex(hex, outputStream);
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WriteHex(hex, outputStream);
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break;
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break;
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case IndirectReferenceToken reference:
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case IndirectReferenceToken reference:
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WriteIndirectReference(reference, outputStream);
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WriteIndirectReference(reference, outputStream);
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break;
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break;
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case NameToken name:
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case NameToken name:
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WriteName(name, outputStream);
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WriteName(name, outputStream);
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break;
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break;
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case NullToken _:
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case NullToken _:
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outputStream.Write(Null, 0, Null.Length);
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outputStream.Write(Null, 0, Null.Length);
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WriteWhitespace(outputStream);
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WriteWhitespace(outputStream);
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break;
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break;
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case NumericToken number:
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case NumericToken number:
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WriteNumber(number, outputStream);
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WriteNumber(number, outputStream);
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break;
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break;
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case ObjectToken objectToken:
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case ObjectToken objectToken:
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WriteObject(objectToken, outputStream);
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WriteObject(objectToken, outputStream);
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break;
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break;
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case StreamToken streamToken:
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case StreamToken streamToken:
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WriteStream(streamToken, outputStream);
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WriteStream(streamToken, outputStream);
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break;
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break;
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case StringToken stringToken:
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case StringToken stringToken:
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WriteString(stringToken, outputStream);
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WriteString(stringToken, outputStream);
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break;
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break;
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default:
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default:
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throw new PdfDocumentFormatException($"Attempted to write token type of {token.GetType()} but was not known.");
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throw new PdfDocumentFormatException($"Attempted to write token type of {token.GetType()} but was not known.");
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}
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}
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}
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}
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/// <summary>
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/// <summary>
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/// Writes a valid single section cross-reference (xref) table plus trailer dictionary to the output for the set of object offsets.
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/// Writes a valid single section cross-reference (xref) table plus trailer dictionary to the output for the set of object offsets.
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/// </summary>
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/// </summary>
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/// <param name="objectOffsets">The byte offset from the start of the document for each object in the document.</param>
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/// <param name="objectOffsets">The byte offset from the start of the document for each object in the document.</param>
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/// <param name="catalogToken">The object representing the catalog dictionary which is referenced from the trailer dictionary.</param>
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/// <param name="catalogToken">The object representing the catalog dictionary which is referenced from the trailer dictionary.</param>
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/// <param name="outputStream">The output stream to write to.</param>
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/// <param name="outputStream">The output stream to write to.</param>
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/// <param name="documentInformationReference">The object reference for the document information dictionary if present.</param>
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/// <param name="documentInformationReference">The object reference for the document information dictionary if present.</param>
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internal static void WriteCrossReferenceTable(IReadOnlyDictionary<IndirectReference, long> objectOffsets,
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internal static void WriteCrossReferenceTable(IReadOnlyDictionary<IndirectReference, long> objectOffsets,
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IndirectReference catalogToken,
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IndirectReference catalogToken,
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Stream outputStream,
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Stream outputStream,
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IndirectReference? documentInformationReference)
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IndirectReference? documentInformationReference)
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{
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{
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if (objectOffsets.Count == 0)
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if (objectOffsets.Count == 0)
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{
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{
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throw new InvalidOperationException("Could not write empty cross reference table.");
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throw new InvalidOperationException("Could not write empty cross reference table.");
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}
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}
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WriteLineBreak(outputStream);
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WriteLineBreak(outputStream);
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var position = outputStream.Position;
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var position = outputStream.Position;
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outputStream.Write(Xref, 0, Xref.Length);
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outputStream.Write(Xref, 0, Xref.Length);
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WriteLineBreak(outputStream);
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WriteLineBreak(outputStream);
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var min = objectOffsets.Min(x => x.Key.ObjectNumber);
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var min = objectOffsets.Min(x => x.Key.ObjectNumber);
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var max = objectOffsets.Max(x => x.Key.ObjectNumber);
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var max = objectOffsets.Max(x => x.Key.ObjectNumber);
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if (max - min != objectOffsets.Count - 1)
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if (max - min != objectOffsets.Count - 1)
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{
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{
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throw new NotSupportedException("Object numbers must form a contiguous range");
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throw new NotSupportedException("Object numbers must form a contiguous range");
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}
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}
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WriteLong(0, outputStream);
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WriteLong(0, outputStream);
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WriteWhitespace(outputStream);
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WriteWhitespace(outputStream);
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// 1 extra for the free entry.
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// 1 extra for the free entry.
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WriteLong(objectOffsets.Count + 1, outputStream);
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WriteLong(objectOffsets.Count + 1, outputStream);
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WriteWhitespace(outputStream);
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WriteWhitespace(outputStream);
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WriteLineBreak(outputStream);
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WriteLineBreak(outputStream);
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WriteFirstXrefEmptyEntry(outputStream);
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WriteFirstXrefEmptyEntry(outputStream);
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foreach (var keyValuePair in objectOffsets.OrderBy(x => x.Key.ObjectNumber))
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foreach (var keyValuePair in objectOffsets.OrderBy(x => x.Key.ObjectNumber))
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{
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{
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/*
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/*
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* nnnnnnnnnn ggggg n eol
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* nnnnnnnnnn ggggg n eol
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* where:
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* where:
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* nnnnnnnnnn is a 10-digit byte offset
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* nnnnnnnnnn is a 10-digit byte offset
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* ggggg is a 5-digit generation number
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* ggggg is a 5-digit generation number
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* n is a literal keyword identifying this as an in-use entry
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* n is a literal keyword identifying this as an in-use entry
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* eol is a 2-character end-of-line sequence ('\r\n' or ' \n')
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* eol is a 2-character end-of-line sequence ('\r\n' or ' \n')
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*/
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*/
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var paddedOffset = OtherEncodings.StringAsLatin1Bytes(keyValuePair.Value.ToString("D10"));
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var paddedOffset = OtherEncodings.StringAsLatin1Bytes(keyValuePair.Value.ToString("D10"));
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outputStream.Write(paddedOffset, 0, paddedOffset.Length);
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outputStream.Write(paddedOffset, 0, paddedOffset.Length);
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WriteWhitespace(outputStream);
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WriteWhitespace(outputStream);
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var generation = OtherEncodings.StringAsLatin1Bytes(keyValuePair.Key.Generation.ToString("D5"));
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var generation = OtherEncodings.StringAsLatin1Bytes(keyValuePair.Key.Generation.ToString("D5"));
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outputStream.Write(generation, 0, generation.Length);
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outputStream.Write(generation, 0, generation.Length);
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WriteWhitespace(outputStream);
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WriteWhitespace(outputStream);
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outputStream.WriteByte(InUseEntry);
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outputStream.WriteByte(InUseEntry);
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WriteWhitespace(outputStream);
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WriteWhitespace(outputStream);
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WriteLineBreak(outputStream);
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WriteLineBreak(outputStream);
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}
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}
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outputStream.Write(Trailer, 0, Trailer.Length);
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outputStream.Write(Trailer, 0, Trailer.Length);
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WriteLineBreak(outputStream);
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WriteLineBreak(outputStream);
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|
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var identifier = new ArrayToken(new IToken[]
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var identifier = new ArrayToken(new IToken[]
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{
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{
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new HexToken(Guid.NewGuid().ToString("N").ToCharArray()),
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new HexToken(Guid.NewGuid().ToString("N").ToCharArray()),
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new HexToken(Guid.NewGuid().ToString("N").ToCharArray())
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new HexToken(Guid.NewGuid().ToString("N").ToCharArray())
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});
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});
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var trailerDictionaryData = new Dictionary<NameToken, IToken>
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var trailerDictionaryData = new Dictionary<NameToken, IToken>
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{
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{
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// 1 for the free entry.
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// 1 for the free entry.
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{NameToken.Size, new NumericToken(objectOffsets.Count + 1)},
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{NameToken.Size, new NumericToken(objectOffsets.Count + 1)},
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{NameToken.Root, new IndirectReferenceToken(catalogToken)},
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{NameToken.Root, new IndirectReferenceToken(catalogToken)},
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{NameToken.Id, identifier}
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{NameToken.Id, identifier}
|
||||||
};
|
};
|
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|
|
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if (documentInformationReference.HasValue)
|
if (documentInformationReference.HasValue)
|
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{
|
{
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trailerDictionaryData[NameToken.Info] = new IndirectReferenceToken(documentInformationReference.Value);
|
trailerDictionaryData[NameToken.Info] = new IndirectReferenceToken(documentInformationReference.Value);
|
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}
|
}
|
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|
|
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var trailerDictionary = new DictionaryToken(trailerDictionaryData);
|
var trailerDictionary = new DictionaryToken(trailerDictionaryData);
|
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|
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WriteDictionary(trailerDictionary, outputStream);
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WriteDictionary(trailerDictionary, outputStream);
|
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WriteLineBreak(outputStream);
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WriteLineBreak(outputStream);
|
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|
|
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outputStream.Write(StartXref, 0, StartXref.Length);
|
outputStream.Write(StartXref, 0, StartXref.Length);
|
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WriteLineBreak(outputStream);
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WriteLineBreak(outputStream);
|
||||||
|
|
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WriteLong(position, outputStream);
|
WriteLong(position, outputStream);
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
|
|
||||||
// Complete!
|
// Complete!
|
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outputStream.Write(Eof, 0, Eof.Length);
|
outputStream.Write(Eof, 0, Eof.Length);
|
||||||
}
|
}
|
||||||
|
|
||||||
/// <summary>
|
/// <summary>
|
||||||
/// Writes pre-serialized token as an object token to the output stream.
|
/// Writes pre-serialized token as an object token to the output stream.
|
||||||
/// </summary>
|
/// </summary>
|
||||||
/// <param name="objectNumber">Object number of the indirect object.</param>
|
/// <param name="objectNumber">Object number of the indirect object.</param>
|
||||||
/// <param name="generation">Generation of the indirect object.</param>
|
/// <param name="generation">Generation of the indirect object.</param>
|
||||||
/// <param name="data">Pre-serialized object contents.</param>
|
/// <param name="data">Pre-serialized object contents.</param>
|
||||||
/// <param name="outputStream">The stream to write the token to.</param>
|
/// <param name="outputStream">The stream to write the token to.</param>
|
||||||
internal static void WriteObject(long objectNumber, int generation, byte[] data, Stream outputStream)
|
internal static void WriteObject(long objectNumber, int generation, byte[] data, Stream outputStream)
|
||||||
{
|
{
|
||||||
WriteLong(objectNumber, outputStream);
|
WriteLong(objectNumber, outputStream);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
|
|
||||||
WriteInt(generation, outputStream);
|
WriteInt(generation, outputStream);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
|
|
||||||
outputStream.Write(ObjStart, 0, ObjStart.Length);
|
outputStream.Write(ObjStart, 0, ObjStart.Length);
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
|
|
||||||
outputStream.Write(data, 0, data.Length);
|
outputStream.Write(data, 0, data.Length);
|
||||||
|
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
outputStream.Write(ObjEnd, 0, ObjEnd.Length);
|
outputStream.Write(ObjEnd, 0, ObjEnd.Length);
|
||||||
|
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteHex(HexToken hex, Stream stream)
|
private static void WriteHex(HexToken hex, Stream stream)
|
||||||
{
|
{
|
||||||
stream.WriteByte(HexStart);
|
stream.WriteByte(HexStart);
|
||||||
stream.WriteText(hex.GetHexString());
|
stream.WriteText(hex.GetHexString());
|
||||||
stream.WriteByte(HexEnd);
|
stream.WriteByte(HexEnd);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteArray(ArrayToken array, Stream outputStream)
|
private static void WriteArray(ArrayToken array, Stream outputStream)
|
||||||
{
|
{
|
||||||
outputStream.WriteByte(ArrayStart);
|
outputStream.WriteByte(ArrayStart);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
|
|
||||||
for (var i = 0; i < array.Data.Count; i++)
|
for (var i = 0; i < array.Data.Count; i++)
|
||||||
{
|
{
|
||||||
var value = array.Data[i];
|
var value = array.Data[i];
|
||||||
WriteToken(value, outputStream);
|
WriteToken(value, outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
outputStream.WriteByte(ArrayEnd);
|
outputStream.WriteByte(ArrayEnd);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteBoolean(BooleanToken boolean, Stream outputStream)
|
private static void WriteBoolean(BooleanToken boolean, Stream outputStream)
|
||||||
{
|
{
|
||||||
var bytes = boolean.Data ? TrueBytes : FalseBytes;
|
var bytes = boolean.Data ? TrueBytes : FalseBytes;
|
||||||
outputStream.Write(bytes, 0, bytes.Length);
|
outputStream.Write(bytes, 0, bytes.Length);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteComment(CommentToken comment, Stream outputStream)
|
private static void WriteComment(CommentToken comment, Stream outputStream)
|
||||||
{
|
{
|
||||||
var bytes = OtherEncodings.StringAsLatin1Bytes(comment.Data);
|
var bytes = OtherEncodings.StringAsLatin1Bytes(comment.Data);
|
||||||
outputStream.WriteByte(Comment);
|
outputStream.WriteByte(Comment);
|
||||||
outputStream.Write(bytes, 0, bytes.Length);
|
outputStream.Write(bytes, 0, bytes.Length);
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteDictionary(DictionaryToken dictionary, Stream outputStream)
|
private static void WriteDictionary(DictionaryToken dictionary, Stream outputStream)
|
||||||
{
|
{
|
||||||
outputStream.Write(DictionaryStart, 0, DictionaryStart.Length);
|
outputStream.Write(DictionaryStart, 0, DictionaryStart.Length);
|
||||||
|
|
||||||
foreach (var pair in dictionary.Data)
|
foreach (var pair in dictionary.Data)
|
||||||
{
|
{
|
||||||
WriteName(pair.Key, outputStream);
|
WriteName(pair.Key, outputStream);
|
||||||
|
|
||||||
// handle scenario where PdfPig has a null value under some circumstances
|
// handle scenario where PdfPig has a null value under some circumstances
|
||||||
@@ -310,104 +310,104 @@
|
|||||||
else
|
else
|
||||||
{
|
{
|
||||||
WriteToken(pair.Value, outputStream);
|
WriteToken(pair.Value, outputStream);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
outputStream.Write(DictionaryEnd, 0, DictionaryEnd.Length);
|
outputStream.Write(DictionaryEnd, 0, DictionaryEnd.Length);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteIndirectReference(IndirectReferenceToken reference, Stream outputStream)
|
private static void WriteIndirectReference(IndirectReferenceToken reference, Stream outputStream)
|
||||||
{
|
{
|
||||||
WriteLong(reference.Data.ObjectNumber, outputStream);
|
WriteLong(reference.Data.ObjectNumber, outputStream);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
|
|
||||||
WriteInt(reference.Data.Generation, outputStream);
|
WriteInt(reference.Data.Generation, outputStream);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
|
|
||||||
outputStream.WriteByte(RByte);
|
outputStream.WriteByte(RByte);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteName(NameToken name, Stream outputStream)
|
private static void WriteName(NameToken name, Stream outputStream)
|
||||||
{
|
{
|
||||||
WriteName(name.Data, outputStream);
|
WriteName(name.Data, outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteName(string name, Stream outputStream)
|
private static void WriteName(string name, Stream outputStream)
|
||||||
{
|
{
|
||||||
/*
|
/*
|
||||||
* Beginning with PDF 1.2, any character except null (character code 0) may be
|
* Beginning with PDF 1.2, any character except null (character code 0) may be
|
||||||
* included in a name by writing its 2-digit hexadecimal code, preceded by the number sign character (#).
|
* included in a name by writing its 2-digit hexadecimal code, preceded by the number sign character (#).
|
||||||
* This is required for delimiter and whitespace characters.
|
* This is required for delimiter and whitespace characters.
|
||||||
* This is recommended for characters whose codes are outside the range 33 (!) to 126 (~).
|
* This is recommended for characters whose codes are outside the range 33 (!) to 126 (~).
|
||||||
*/
|
*/
|
||||||
|
|
||||||
var sb = new StringBuilder();
|
var sb = new StringBuilder();
|
||||||
|
|
||||||
foreach (var c in name)
|
foreach (var c in name)
|
||||||
{
|
{
|
||||||
if (c < 33 || c > 126 || DelimiterChars.Contains(c))
|
if (c < 33 || c > 126 || DelimiterChars.Contains(c))
|
||||||
{
|
{
|
||||||
var str = Hex.GetString(new[] { (byte)c });
|
var str = Hex.GetString(new[] { (byte)c });
|
||||||
sb.Append('#').Append(str);
|
sb.Append('#').Append(str);
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
sb.Append(c);
|
sb.Append(c);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
var bytes = OtherEncodings.StringAsLatin1Bytes(sb.ToString());
|
var bytes = OtherEncodings.StringAsLatin1Bytes(sb.ToString());
|
||||||
|
|
||||||
outputStream.WriteByte(NameStart);
|
outputStream.WriteByte(NameStart);
|
||||||
outputStream.Write(bytes, 0, bytes.Length);
|
outputStream.Write(bytes, 0, bytes.Length);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteNumber(NumericToken number, Stream outputStream)
|
private static void WriteNumber(NumericToken number, Stream outputStream)
|
||||||
{
|
{
|
||||||
if (!number.HasDecimalPlaces)
|
if (!number.HasDecimalPlaces)
|
||||||
{
|
{
|
||||||
WriteInt(number.Int, outputStream);
|
WriteInt(number.Int, outputStream);
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
var bytes = OtherEncodings.StringAsLatin1Bytes(number.Data.ToString("G", CultureInfo.InvariantCulture));
|
var bytes = OtherEncodings.StringAsLatin1Bytes(number.Data.ToString("G", CultureInfo.InvariantCulture));
|
||||||
outputStream.Write(bytes, 0, bytes.Length);
|
outputStream.Write(bytes, 0, bytes.Length);
|
||||||
}
|
}
|
||||||
|
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteObject(ObjectToken objectToken, Stream outputStream)
|
private static void WriteObject(ObjectToken objectToken, Stream outputStream)
|
||||||
{
|
{
|
||||||
WriteLong(objectToken.Number.ObjectNumber, outputStream);
|
WriteLong(objectToken.Number.ObjectNumber, outputStream);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
|
|
||||||
WriteInt(objectToken.Number.Generation, outputStream);
|
WriteInt(objectToken.Number.Generation, outputStream);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
|
|
||||||
outputStream.Write(ObjStart, 0, ObjStart.Length);
|
outputStream.Write(ObjStart, 0, ObjStart.Length);
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
|
|
||||||
WriteToken(objectToken.Data, outputStream);
|
WriteToken(objectToken.Data, outputStream);
|
||||||
|
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
outputStream.Write(ObjEnd, 0, ObjEnd.Length);
|
outputStream.Write(ObjEnd, 0, ObjEnd.Length);
|
||||||
|
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteStream(StreamToken streamToken, Stream outputStream)
|
private static void WriteStream(StreamToken streamToken, Stream outputStream)
|
||||||
{
|
{
|
||||||
WriteDictionary(streamToken.StreamDictionary, outputStream);
|
WriteDictionary(streamToken.StreamDictionary, outputStream);
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
outputStream.Write(StreamStart, 0, StreamStart.Length);
|
outputStream.Write(StreamStart, 0, StreamStart.Length);
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
outputStream.Write(streamToken.Data.ToArray(), 0, streamToken.Data.Count);
|
outputStream.Write(streamToken.Data.ToArray(), 0, streamToken.Data.Count);
|
||||||
WriteLineBreak(outputStream);
|
WriteLineBreak(outputStream);
|
||||||
outputStream.Write(StreamEnd, 0, StreamEnd.Length);
|
outputStream.Write(StreamEnd, 0, StreamEnd.Length);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static int[] EscapeNeeded = new int[]
|
private static int[] EscapeNeeded = new int[]
|
||||||
{
|
{
|
||||||
@@ -416,12 +416,12 @@
|
|||||||
private static int[] Escaped = new int[]
|
private static int[] Escaped = new int[]
|
||||||
{
|
{
|
||||||
'r', 'n', 't', 'b', 'f', '\\'
|
'r', 'n', 't', 'b', 'f', '\\'
|
||||||
};
|
};
|
||||||
private static void WriteString(StringToken stringToken, Stream outputStream)
|
private static void WriteString(StringToken stringToken, Stream outputStream)
|
||||||
{
|
{
|
||||||
outputStream.WriteByte(StringStart);
|
outputStream.WriteByte(StringStart);
|
||||||
|
|
||||||
if (stringToken.EncodedWith == StringToken.Encoding.Iso88591)
|
if (stringToken.EncodedWith == StringToken.Encoding.Iso88591)
|
||||||
{
|
{
|
||||||
// iso 88591 (or really PdfDocEncoding in non-contentstream circumstances shouldn't
|
// iso 88591 (or really PdfDocEncoding in non-contentstream circumstances shouldn't
|
||||||
// have these chars but seems like internally this isn't obeyed (see:
|
// have these chars but seems like internally this isn't obeyed (see:
|
||||||
@@ -448,7 +448,7 @@
|
|||||||
outputStream.WriteByte((byte)'\\');
|
outputStream.WriteByte((byte)'\\');
|
||||||
outputStream.WriteByte((byte)Escaped[ei]);
|
outputStream.WriteByte((byte)Escaped[ei]);
|
||||||
}
|
}
|
||||||
else if (c < 32 || c > 126) // non printable
|
else if (c < 32 || c > 127) // non printable
|
||||||
{
|
{
|
||||||
var b3 = c / 64;
|
var b3 = c / 64;
|
||||||
var b2 = (c - b3 * 64) / 8;
|
var b2 = (c - b3 * 64) / 8;
|
||||||
@@ -472,58 +472,58 @@
|
|||||||
}
|
}
|
||||||
|
|
||||||
outputStream.WriteByte(StringEnd);
|
outputStream.WriteByte(StringEnd);
|
||||||
WriteWhitespace(outputStream);
|
WriteWhitespace(outputStream);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteInt(int value, Stream outputStream)
|
private static void WriteInt(int value, Stream outputStream)
|
||||||
{
|
{
|
||||||
var bytes = OtherEncodings.StringAsLatin1Bytes(value.ToString("G", CultureInfo.InvariantCulture));
|
var bytes = OtherEncodings.StringAsLatin1Bytes(value.ToString("G", CultureInfo.InvariantCulture));
|
||||||
outputStream.Write(bytes, 0, bytes.Length);
|
outputStream.Write(bytes, 0, bytes.Length);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteLineBreak(Stream outputStream)
|
private static void WriteLineBreak(Stream outputStream)
|
||||||
{
|
{
|
||||||
outputStream.WriteNewLine();
|
outputStream.WriteNewLine();
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteLong(long value, Stream outputStream)
|
private static void WriteLong(long value, Stream outputStream)
|
||||||
{
|
{
|
||||||
var bytes = OtherEncodings.StringAsLatin1Bytes(value.ToString("G", CultureInfo.InvariantCulture));
|
var bytes = OtherEncodings.StringAsLatin1Bytes(value.ToString("G", CultureInfo.InvariantCulture));
|
||||||
outputStream.Write(bytes, 0, bytes.Length);
|
outputStream.Write(bytes, 0, bytes.Length);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteWhitespace(Stream outputStream)
|
private static void WriteWhitespace(Stream outputStream)
|
||||||
{
|
{
|
||||||
outputStream.WriteByte(Whitespace);
|
outputStream.WriteByte(Whitespace);
|
||||||
}
|
}
|
||||||
|
|
||||||
private static void WriteFirstXrefEmptyEntry(Stream outputStream)
|
private static void WriteFirstXrefEmptyEntry(Stream outputStream)
|
||||||
{
|
{
|
||||||
/*
|
/*
|
||||||
* The first entry in the table (object number 0) is always free and has a generation number of 65,535;
|
* The first entry in the table (object number 0) is always free and has a generation number of 65,535;
|
||||||
* it is the head of the linked list of free objects.
|
* it is the head of the linked list of free objects.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
outputStream.WriteText(new string('0', 10));
|
outputStream.WriteText(new string('0', 10));
|
||||||
outputStream.WriteWhiteSpace();
|
outputStream.WriteWhiteSpace();
|
||||||
outputStream.WriteText("65535");
|
outputStream.WriteText("65535");
|
||||||
outputStream.WriteWhiteSpace();
|
outputStream.WriteWhiteSpace();
|
||||||
outputStream.WriteText("f");
|
outputStream.WriteText("f");
|
||||||
outputStream.WriteWhiteSpace();
|
outputStream.WriteWhiteSpace();
|
||||||
outputStream.WriteNewLine();
|
outputStream.WriteNewLine();
|
||||||
}
|
}
|
||||||
|
|
||||||
private static byte GetByte(string value)
|
private static byte GetByte(string value)
|
||||||
{
|
{
|
||||||
var bytes = OtherEncodings.StringAsLatin1Bytes(value);
|
var bytes = OtherEncodings.StringAsLatin1Bytes(value);
|
||||||
|
|
||||||
if (bytes.Length > 1)
|
if (bytes.Length > 1)
|
||||||
{
|
{
|
||||||
throw new InvalidOperationException();
|
throw new InvalidOperationException();
|
||||||
}
|
}
|
||||||
|
|
||||||
return bytes[0];
|
return bytes[0];
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|||||||
Reference in New Issue
Block a user