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remove all old cos objects

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This commit is contained in:
Eliot Jones
2018-01-21 14:56:50 +00:00
parent e24a306c31
commit 3172596b7c
31 changed files with 33 additions and 3958 deletions
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19
src/UglyToad.PdfPig.Tests/TestFilterProvider.cs Normal file
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@@ -0,0 +1,19 @@
namespace UglyToad.PdfPig.Tests
{
using System.Collections.Generic;
using PdfPig.Filters;
using PdfPig.Tokenization.Tokens;
internal class TestFilterProvider : IFilterProvider
{
public IReadOnlyList<IFilter> GetFilters(DictionaryToken dictionary)
{
return new List<IFilter>();
}
public IReadOnlyList<IFilter> GetAllFilters()
{
return new List<IFilter>();
}
}
}

2
src/UglyToad.PdfPig.Tests/Tokenization/Scanner/TestObjectLocationProvider.cs → src/UglyToad.PdfPig.Tests/TestObjectLocationProvider.cs
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@@ -1,4 +1,4 @@
namespace UglyToad.PdfPig.Tests.Tokenization.Scanner
namespace UglyToad.PdfPig.Tests
{
using System.Collections.Generic;
using PdfPig.ContentStream;

2
src/UglyToad.PdfPig.Tests/Parser/Parts/TestingLog.cs → src/UglyToad.PdfPig.Tests/TestingLog.cs
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@@ -1,4 +1,4 @@
namespace UglyToad.PdfPig.Tests.Parser.Parts
namespace UglyToad.PdfPig.Tests
{
using System;
using Logging;

2
src/UglyToad.PdfPig.Tests/Parser/Parts/ThrowingReader.cs → src/UglyToad.PdfPig.Tests/ThrowingReader.cs
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@@ -1,4 +1,4 @@
namespace UglyToad.PdfPig.Tests.Parser.Parts
namespace UglyToad.PdfPig.Tests
{
using System;
using IO;

19
src/UglyToad.PdfPig.Tests/Tokenization/Scanner/PdfTokenScannerTests.cs
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@@ -5,7 +5,6 @@
using System.Text;
using IO;
using PdfPig.ContentStream;
using PdfPig.Filters;
using PdfPig.Tokenization.Scanner;
using PdfPig.Tokenization.Tokens;
using PdfPig.Util;
@@ -334,22 +333,4 @@ endobj";
16
endobj";
var inputBytes = new ByteArrayInputBytes(OtherEncodings.StringAsLatin1Bytes(s));
var scanner = new PdfTokenScanner(inputBytes, new TestObjectLocationProvider(), new TestFilterProvider());
var token = ReadToEnd(scanner)[1];
Assert.Equal(7, token.Number.ObjectNumber);
}
private PdfTokenScanner GetScanner(string s, TestObjectLocationProvider locationProvider = null)
{
var input = StringBytesTestConverter.Convert(s, false);
return new PdfTokenScanner(input.Bytes, locationProvider ?? new TestObjectLocationProvider(),
new TestFilterProvider());
}
private static IReadOnlyList<ObjectToken> ReadToEnd(PdfTokenScanner scanner)

9
src/UglyToad.PdfPig/ContentStream/PdfBoolean.cs
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@@ -3,10 +3,8 @@
using System;
using System.Collections.Generic;
using System.IO;
using Core;
using Cos;
internal class PdfBoolean : CosBase, ICosStreamWriter, IEquatable<PdfBoolean>
internal class PdfBoolean : IEquatable<PdfBoolean>
{
/// <summary>
/// The bytes representing a true value in the PDF content.
@@ -39,11 +37,6 @@
{
Value = value;
}
public override object Accept(ICosVisitor visitor)
{
return visitor.VisitFromBoolean(this);
}
/// <summary>
/// Supports casting from <see cref="bool"/> to <see cref="PdfBoolean"/>.

120
src/UglyToad.PdfPig/ContentStream/PdfDictionary.cs
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@@ -1,120 +0,0 @@
namespace UglyToad.PdfPig.ContentStream
{
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using Cos;
using Tokenization.Tokens;
using Util.JetBrains.Annotations;
internal class PdfDictionary : CosBase, IReadOnlyDictionary<CosName, CosBase>
{
private readonly Dictionary<CosName, CosBase> inner = new Dictionary<CosName, CosBase>();
[CanBeNull]
public CosName GetName(CosName key)
{
if (!inner.TryGetValue(key, out CosBase obj) || !(obj is CosName name))
{
return null;
}
return name;
}
public bool TryGetName(CosName key, out CosName value)
{
value = GetName(key);
return value != null;
}
public bool IsType(CosName expectedType)
{
if (!inner.TryGetValue(CosName.TYPE, out CosBase obj) || obj == null)
{
return false;
}
switch (obj)
{
case CosName name:
return expectedType.Equals(name);
case CosString str:
return string.Equals(expectedType.Name, str.GetString());
}
return false;
}
[CanBeNull]
public CosBase GetItemOrDefault(CosName key)
{
if (inner.TryGetValue(key, out var value))
{
return value;
}
return null;
}
public bool TryGetItemOfType<T>(CosName key, out T item) where T : CosBase
{
item = null;
if (inner.TryGetValue(key, out var value) && value is T t)
{
item = t;
return true;
}
return false;
}
public void Set(CosName key, CosBase value)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
inner[key] = value ?? throw new ArgumentNullException(nameof(value));
}
public override string ToString()
{
var builder = new StringBuilder();
foreach (var cosBase in inner)
{
builder.Append($"({cosBase.Key}, {cosBase.Value}) ");
}
return builder.ToString();
}
#region Interface Members
public int Count => inner.Count;
public CosBase this[CosName key] => inner[key];
public IEnumerable<CosName> Keys => inner.Keys;
public IEnumerable<CosBase> Values => inner.Values;
public bool ContainsKey(CosName key) => inner.ContainsKey(key);
public bool TryGetValue(CosName key, out CosBase value) => inner.TryGetValue(key, out value);
public IEnumerator<KeyValuePair<CosName, CosBase>> GetEnumerator() => inner.GetEnumerator();
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
public override object Accept(ICosVisitor visitor)
{
throw new NotImplementedException();
}
#endregion
internal static PdfDictionary FromDictionaryToken(DictionaryToken token)
{
if (token == null)
{
throw new ArgumentNullException(nameof(token));
}
return new PdfDictionary();
}
}
}

76
src/UglyToad.PdfPig/ContentStream/PdfRawStream.cs
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@@ -1,76 +0,0 @@
namespace UglyToad.PdfPig.ContentStream
{
using System;
using Cos;
using Filters;
using Tokenization.Tokens;
internal class PdfRawStream : CosBase
{
private static readonly object Lock = new object();
private readonly byte[] streamBytes;
private readonly StreamToken stream;
private byte[] decodedBytes;
public PdfDictionary Dictionary { get; }
/// <summary>
/// Combines the dictionary for the stream with the raw, encoded/filtered bytes.
/// </summary>
public PdfRawStream(byte[] streamBytes, PdfDictionary streamDictionary)
{
this.streamBytes = streamBytes;
Dictionary = streamDictionary ?? throw new ArgumentNullException(nameof(streamDictionary));
}
public PdfRawStream(StreamToken stream)
{
this.stream = stream;
}
public byte[] Decode(IFilterProvider filterProvider)
{
lock (Lock)
{
if (decodedBytes != null)
{
return decodedBytes;
}
if (stream != null)
{
var tokenFilters = filterProvider.GetFilters(stream.StreamDictionary);
if (tokenFilters.Count > 0)
{
throw new NotImplementedException("Need to change everything to use this method.");
}
decodedBytes = stream.Data;
return decodedBytes;
}
var filters = filterProvider.GetFilters(Dictionary);
var transform = streamBytes;
for (var i = 0; i < filters.Count; i++)
{
//transform = filters[i].Decode(transform, Dictionary, i);
}
decodedBytes = transform;
return transform;
}
}
public override object Accept(ICosVisitor visitor)
{
throw new NotImplementedException("This used to implement using CosDictionary but I removed it! :O");
}
}
}

156
src/UglyToad.PdfPig/ContentStream/TypedAccessors/DictionaryValueAccessorExtensions.cs
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@@ -1,156 +0,0 @@
namespace UglyToad.PdfPig.ContentStream.TypedAccessors
{
using System.Collections.Generic;
using Cos;
using Util.JetBrains.Annotations;
internal static class DictionaryValueAccessorExtensions
{
public static long GetLongOrDefault(this PdfDictionary dictionary, CosName key)
{
return dictionary.GetLongOrDefault(key, -1L);
}
public static long GetLongOrDefault(this PdfDictionary dictionary, IEnumerable<string> keys, long defaultValue)
{
foreach (var key in keys)
{
if (dictionary.TryGetValue(CosName.Create(key), out var value) && value is ICosNumber number)
{
return number.AsLong();
}
}
return defaultValue;
}
public static long GetLongOrDefault(this PdfDictionary dictionary, string key, long defaultValue)
{
return dictionary.GetLongOrDefault(CosName.Create(key), defaultValue);
}
public static long GetLongOrDefault(this PdfDictionary dictionary, CosName key, long defaultValue)
{
if (!dictionary.TryGetValue(key, out CosBase obj) || !(obj is ICosNumber number))
{
return defaultValue;
}
return number.AsLong();
}
public static int GetIntOrDefault(this PdfDictionary dictionary, CosName key)
{
return dictionary.GetIntOrDefault(key, -1);
}
public static int GetIntOrDefault(this PdfDictionary dictionary, IEnumerable<string> keyList, int defaultValue)
{
foreach (var key in keyList)
{
if (dictionary.TryGetValue(CosName.Create(key), out var obj) && obj is ICosNumber number)
{
return number.AsInt();
}
}
return defaultValue;
}
public static int GetIntOrDefault(this PdfDictionary dictionary, string key, int defaultValue)
{
return dictionary.GetIntOrDefault(CosName.Create(key), defaultValue);
}
public static int GetIntOrDefault(this PdfDictionary dictionary, CosName key, int defaultValue)
{
return dictionary.GetIntOrDefault(key, null, defaultValue);
}
public static int GetIntOrDefault(this PdfDictionary dictionary, CosName firstKey, CosName secondKey)
{
return dictionary.GetIntOrDefault(firstKey, secondKey, -1);
}
public static int GetIntOrDefault(this PdfDictionary dictionary, CosName firstKey, CosName secondKey, int defaultValue)
{
if (dictionary.TryGetValue(firstKey, out var obj) && obj is ICosNumber number)
{
return number.AsInt();
}
if (secondKey != null && dictionary.TryGetValue(secondKey, out obj) && obj is ICosNumber second)
{
return second.AsInt();
}
return defaultValue;
}
public static decimal GetDecimalOrDefault(this PdfDictionary dictionary, CosName key, decimal defaultValue)
{
if (!dictionary.TryGetValue(key, out CosBase obj) || !(obj is ICosNumber number))
{
return defaultValue;
}
return (decimal)number.AsDouble();
}
public static CosBase GetDictionaryObject(this PdfDictionary dictionary, CosName firstKey, CosName secondKey)
{
CosBase result = dictionary.GetDictionaryObject(firstKey);
if (result == null && secondKey != null)
{
result = dictionary.GetDictionaryObject(secondKey);
}
return result;
}
public static CosBase GetDictionaryObject(this PdfDictionary dictionary, IEnumerable<string> keyList)
{
foreach (var key in keyList)
{
var obj = dictionary.GetDictionaryObject(CosName.Create(key));
if (obj != null)
{
return obj;
}
}
return null;
}
[CanBeNull]
public static CosBase GetDictionaryObject(this PdfDictionary dictionary, CosName key)
{
dictionary.TryGetValue(key, out CosBase result);
if (result is CosObject)
{
result = ((CosObject)result).GetObject();
}
if (result is CosNull)
{
result = null;
}
return result;
}
[CanBeNull]
public static PdfDictionary GetDictionaryOrDefault(this PdfDictionary dictionary,
CosName key)
{
if (!dictionary.TryGetValue(key, out var value))
{
return null;
}
return value as PdfDictionary;
}
}
}

21
src/UglyToad.PdfPig/ContentStream/TypedAccessors/DictionaryValueSetterExtensions.cs
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@@ -1,21 +0,0 @@
namespace UglyToad.PdfPig.ContentStream.TypedAccessors
{
using Cos;
internal static class DictionaryValueSetterExtensions
{
public static void SetLong(this PdfDictionary dictionary, CosName key, long value)
{
var wrappedInt = CosInt.Get(value);
dictionary.Set(key, wrappedInt);
}
public static void SetInt(this PdfDictionary dictionary, CosName key, int value)
{
var wrappedInt = CosInt.Get(value);
dictionary.Set(key, wrappedInt);
}
}
}

567
src/UglyToad.PdfPig/Cos/CosArray.cs
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@@ -1,567 +0,0 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* An array of PDFBase objects as part of the PDF document.
*
* @author Ben Litchfield
*/
namespace UglyToad.PdfPig.Cos
{
using System;
using System.Collections;
using System.Collections.Generic;
internal class COSArray : CosBase, IEnumerable<CosBase>, ICosUpdateInfo
{
private readonly List<CosBase> objects = new List<CosBase>();
public bool NeedsToBeUpdated { get; set; }
public int Count => objects.Count;
/**
* This will add an object to the array.
*
* @param object The object to add to the array.
*/
public void add(CosBase obj)
{
objects.Add(obj);
}
/**
* This will add an object to the array.
*
* @param object The object to add to the array.
*/
public void add(ICosObject obj)
{
objects.Add(obj.GetCosObject());
}
/**
* Add the specified object at the ith location and push the rest to the
* right.
*
* @param i The index to add at.
* @param object The object to add at that index.
*/
public void add(int i, CosBase obj)
{
objects.Insert(i, obj);
}
/**
* This will remove all of the objects in the collection.
*/
public void clear()
{
objects.Clear();
}
/**
* This will remove all of the objects in the collection.
*
* @param objectsList The list of objects to remove from the collection.
*/
public void removeAll(IEnumerable<CosBase> objectsList)
{
if (objectsList == null)
{
return;
}
foreach (var cosBase in objectsList)
{
objects.Remove(cosBase);
}
}
/**
* This will retain all of the objects in the collection.
*
* @param objectsList The list of objects to retain from the collection.
*/
public void retainAll(IEnumerable<CosBase> objectsList)
{
objects.Clear();
objects.AddRange(new List<CosBase>(objectsList));
}
/**
* This will add an object to the array.
*
* @param objectsList The object to add to the array.
*/
public void addAll(IEnumerable<CosBase> objectsList)
{
objects.AddRange(objectsList);
}
/**
* This will add all objects to this array.
*
* @param objectList The objects to add.
*/
public void addAll(COSArray objectList)
{
if (objectList != null)
{
objects.AddRange(objectList.objects);
}
}
/**
* Add the specified object at the ith location and push the rest to the
* right.
*
* @param i The index to add at.
* @param objectList The object to add at that index.
*/
public void addAll(int i, IEnumerable<CosBase> objectList)
{
if (objectList == null)
{
throw new ArgumentNullException(nameof(objectList));
}
objects.InsertRange(i, objectList);
}
/**
* This will set an object at a specific index.
*
* @param index zero based index into array.
* @param object The object to set.
*/
public void set(int index, CosBase obj)
{
objects[index] = obj;
}
/**
* This will set an object at a specific index.
*
* @param index zero based index into array.
* @param intVal The object to set.
*/
public void set(int index, int intVal)
{
set(index, CosInt.Get(intVal));
}
/**
* This will set an object at a specific index.
*
* @param index zero based index into array.
* @param object The object to set.
*/
public void set(int index, ICosObject obj)
{
CosBase baseObj = null;
if (obj != null)
{
baseObj = baseObj.GetCosObject();
}
set(index, baseObj);
}
/**
* This will get an object from the array. This will dereference the object.
* If the object is COSNull then null will be returned.
*
* @param index The index into the array to get the object.
*
* @return The object at the requested index.
*/
public CosBase getObject(int index)
{
var obj = objects[index];
if (obj is CosObject cosObject)
{
obj = cosObject.GetObject();
}
if (obj is CosNull)
{
obj = null;
}
return obj;
}
/**
* This will get an object from the array. This will NOT dereference
* the COS object.
*
* @param index The index into the array to get the object.
*
* @return The object at the requested index.
*/
public CosBase get(int index)
{
return objects[index];
}
/**
* GetLongOrDefault the value of the array as an integer.
*
* @param index The index into the list.
*
* @return The value at that index or -1 if it is null.
*/
public int getInt(int index)
{
return getInt(index, -1);
}
/**
* GetLongOrDefault the value of the array as an integer, return the default if it does
* not exist.
*
* @param index The value of the array.
* @param defaultValue The value to return if the value is null.
* @return The value at the index or the defaultValue.
*/
public int getInt(int index, int defaultValue)
{
int retval = defaultValue;
if (index < size())
{
var obj = objects[index];
if (obj is ICosNumber num)
{
retval = num.AsInt();
}
}
return retval;
}
/**
* Set the value in the array as an integer.
*
* @param index The index into the array.
* @param value The value to set.
*/
public void setInt(int index, int value)
{
set(index, CosInt.Get(value));
}
/**
* Set the value in the array as a name.
* @param index The index into the array.
* @param name The name to set in the array.
*/
public void setName(int index, string name)
{
set(index, CosName.Create(name));
}
/**
* GetLongOrDefault the value of the array as a string.
*
* @param index The index into the array.
* @return The name converted to a string or null if it does not exist.
*/
public string getName(int index)
{
return getName(index, null);
}
/**
* GetLongOrDefault an entry in the array that is expected to be a COSName.
* @param index The index into the array.
* @param defaultValue The value to return if it is null.
* @return The value at the index or defaultValue if none is found.
*/
public string getName(int index, string defaultValue)
{
var retval = defaultValue;
if (index < size())
{
var obj = objects[index];
if (obj is CosName name)
{
retval = name.Name;
}
}
return retval;
}
/**
* Set the value in the array as a string.
* @param index The index into the array.
* @param string The string to set in the array.
*/
public void setString(int index, string str)
{
if (str != null)
{
set(index, new CosString(str));
}
else
{
set(index, null);
}
}
/**
* GetLongOrDefault the value of the array as a string.
*
* @param index The index into the array.
* @return The string or null if it does not exist.
*/
public string getString(int index)
{
return getString(index, null);
}
/**
* GetLongOrDefault an entry in the array that is expected to be a COSName.
* @param index The index into the array.
* @param defaultValue The value to return if it is null.
* @return The value at the index or defaultValue if none is found.
*/
public string getString(int index, string defaultValue)
{
var retval = defaultValue;
if (index < size())
{
var obj = objects[index];
if (obj is CosString str)
{
retval = str.GetString();
}
}
return retval;
}
/**
* This will get the size of this array.
*
* @return The number of elements in the array.
*/
public int size()
{
return objects.Count;
}
/**
* This will remove an element from the array.
*
* @param i The index of the object to remove.
*
* @return The object that was removed.
*/
public CosBase remove(int i)
{
var item = objects[i];
objects.RemoveAt(i);
return item;
}
/**
* This will remove an element from the array.
*
* @param o The object to remove.
*
* @return <code>true</code> if the object was removed, <code>false</code>
* otherwise
*/
public bool remove(CosBase o)
{
return objects.Remove(o);
}
/**
* This will remove an element from the array.
* This method will also remove a reference to the object.
*
* @param o The object to remove.
* @return <code>true</code> if the object was removed, <code>false</code>
* otherwise
*/
public bool removeObject(CosBase o)
{
var removed = remove(o);
if (!removed)
{
for (int i = 0; i < size(); i++)
{
CosBase entry = get(i);
if (entry is CosObject obj)
{
if (obj.GetObject().Equals(o))
{
return remove(entry);
}
}
}
}
return removed;
}
/**
* {@inheritDoc}
*/
public IEnumerator<CosBase> GetEnumerator()
{
return objects.GetEnumerator();
}
public override string ToString()
{
return "COSArray{" + objects + "}";
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
/**
* This will return the index of the entry or -1 if it is not found.
*
* @param object The object to search for.
* @return The index of the object or -1.
*/
public int indexOf(CosBase obj)
{
int retval = -1;
for (int i = 0; retval < 0 && i < size(); i++)
{
if (get(i).Equals(obj))
{
retval = i;
}
}
return retval;
}
/**
* This will return the index of the entry or -1 if it is not found.
* This method will also find references to indirect objects.
*
* @param object The object to search for.
* @return The index of the object or -1.
*/
public int indexOfObject(CosBase obj)
{
int retval = -1;
for (int i = 0; retval < 0 && i < this.size(); i++)
{
CosBase item = this.get(i);
if (item.Equals(obj))
{
retval = i;
break;
}
if (item is CosObject && ((CosObject)item).GetObject().Equals(obj))
{
retval = i;
break;
}
}
return retval;
}
/**
* This will add null values until the size of the array is at least
* as large as the parameter. If the array is already larger than the
* parameter then nothing is done.
*
* @param size The desired size of the array.
*/
public void growToSize(int size)
{
growToSize(size, null);
}
/**
* This will add the object until the size of the array is at least
* as large as the parameter. If the array is already larger than the
* parameter then nothing is done.
*
* @param size The desired size of the array.
* @param object The object to fill the array with.
*/
public void growToSize(int targetSize, CosBase obj)
{
while (size() < targetSize)
{
add(obj);
}
}
/**
* visitor pattern double dispatch method.
*
* @param visitor The object to notify when visiting this object.
* @return any object, depending on the visitor implementation, or null
* @throws IOException If an error occurs while visiting this object.
*/
public override object Accept(ICosVisitor visitor)
{
return visitor.VisitFromArray(this);
}
/**
* This will take an COSArray of numbers and convert it to a float[].
*
* @return This COSArray as an array of float numbers.
*/
public float[] toFloatArray()
{
float[] retval = new float[size()];
for (int i = 0; i < size(); i++)
{
retval[i] = ((ICosNumber)getObject(i)).AsFloat();
}
return retval;
}
/**
* Clear the current contents of the COSArray and set it with the float[].
*
* @param value The new value of the float array.
*/
public void setFloatArray(float[] value)
{
this.clear();
foreach (float aValue in value)
{
add(new CosFloat(aValue));
}
}
/**
* Return contents of COSArray as a Java List.
*
* @return the COSArray as List
*/
public List<CosBase> toList()
{
return new List<CosBase>(objects);
}
}
}

19
src/UglyToad.PdfPig/Cos/CosBase.cs
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@@ -1,19 +0,0 @@
namespace UglyToad.PdfPig.Cos
{
internal abstract class CosBase : ICosObject
{
public bool Direct { get; set; }
public CosBase GetCosObject()
{
return this;
}
public abstract object Accept(ICosVisitor visitor);
}
internal interface ICosObject
{
CosBase GetCosObject();
}
}

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src/UglyToad.PdfPig/Cos/CosDictionary.cs
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src/UglyToad.PdfPig/Cos/CosFloat.cs
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namespace UglyToad.PdfPig.Cos
{
using System;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using Core;
using Util;
internal class CosFloat : CosBase, ICosNumber, ICosStreamWriter
{
private readonly decimal value;
private readonly string valueAsString;
/**
* Constructor.
*
* @param aFloat The primitive float object that this object wraps.
*/
public CosFloat(float aFloat)
{
// use a BigDecimal as intermediate state to avoid
// a floating point string representation of the float value
value = new decimal(aFloat);
valueAsString = RemoveNullDigits(value.ToString("G"));
}
private static readonly Regex ZeroNegativeDecimalPart = new Regex("^0\\.0*\\-\\d+");
/**
* Constructor.
*
* @param aFloat The primitive float object that this object wraps.
*
* @throws IOException If aFloat is not a float.
*/
public CosFloat(string value)
{
try
{
(this.value, valueAsString) = CheckMinMaxValues(decimal.Parse(value), value);
}
catch (FormatException e)
{
if (ZeroNegativeDecimalPart.IsMatch(value))
{
// PDFBOX-2990 has 0.00000-33917698
// PDFBOX-3369 has 0.00-35095424
// PDFBOX-3500 has 0.-262
try
{
valueAsString = "-" + valueAsString.ReplaceLimited("\\-", "", 1);
this.value = decimal.Parse(valueAsString);
(this.value, valueAsString) = CheckMinMaxValues(this.value, value);
}
catch (FormatException e2)
{
throw new ArgumentException($"Error expected floating point number actual=\'{value}\'", e2);
}
}
else
{
throw new ArgumentException($"Error expected floating point number actual=\'{value}\'", e);
}
}
}
private static (decimal, string) CheckMinMaxValues(decimal currentValue, string currentValueAsString)
{
float floatValue = (float)currentValue;
double doubleValue = (double)currentValue;
bool valueReplaced = false;
// check for huge values
if (float.IsNegativeInfinity(floatValue) || float.IsPositiveInfinity(floatValue))
{
if (Math.Abs(doubleValue) > float.MaxValue)
{
floatValue = float.MaxValue * (float.IsPositiveInfinity(floatValue) ? 1 : -1);
valueReplaced = true;
}
}
// check for very small values
else if (floatValue == 0 && doubleValue != 0)
{
// todo what is min normal?
if (Math.Abs(doubleValue) < float.MinValue)
{
floatValue = float.MinValue;
floatValue *= doubleValue >= 0 ? 1 : -1;
valueReplaced = true;
}
}
if (valueReplaced)
{
return (new decimal(floatValue), RemoveNullDigits(currentValue.ToString("g")));
}
return (currentValue, currentValueAsString);
}
private static string RemoveNullDigits(string plainStringValue)
{
// remove fraction digit "0" only
if (plainStringValue.IndexOf('.') > -1 && !plainStringValue.EndsWith(".0"))
{
while (plainStringValue.EndsWith("0") && !plainStringValue.EndsWith(".0"))
{
plainStringValue = plainStringValue.Substring(0, plainStringValue.Length - 1);
}
}
return plainStringValue;
}
public override bool Equals(object obj)
{
var cosFloat = obj as CosFloat;
return Equals(cosFloat);
}
protected bool Equals(CosFloat other)
{
return value == other?.value;
}
public override int GetHashCode()
{
return value.GetHashCode();
}
/**
* {@inheritDoc}
*/
public override string ToString()
{
return "COSFloat{" + valueAsString + "}";
}
public void WriteToPdfStream(BinaryWriter output)
{
var encoding = Encoding.GetEncoding("ISO-8859-1");
output.Write(encoding.GetBytes(valueAsString));
}
/**
* visitor pattern double dispatch method.
*
* @param visitor The object to notify when visiting this object.
* @return any object, depending on the visitor implementation, or null
* @throws IOException If an error occurs while visiting this object.
*/
public override object Accept(ICosVisitor visitor)
{
return visitor.VisitFromFloat(this);
}
public float AsFloat()
{
return (float)value;
}
public double AsDouble()
{
return (double) value;
}
public int AsInt()
{
return (int)value;
}
public long AsLong()
{
return (long) value;
}
public decimal AsDecimal()
{
return value;
}
}
}

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src/UglyToad.PdfPig/Cos/CosInt.cs
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namespace UglyToad.PdfPig.Cos
{
using System.IO;
using System.Text;
using Core;
internal class CosInt : CosBase, ICosNumber, ICosStreamWriter
{
/**
* The lowest integer to be kept in the {@link #STATIC} array.
*/
private const int Low = -100;
/**
* The highest integer to be kept in the {@link #STATIC} array.
*/
private const int High = 256;
/**
* Static instances of all CosInts in the range from {@link #LOW}
* to {@link #HIGH}.
*/
private static readonly CosInt[] Static = new CosInt[High - Low + 1];
/**
* Constant for the number zero.
* @since Apache PDFBox 1.1.0
*/
public static readonly CosInt Zero = Get(0);
/**
* Constant for the number one.
* @since Apache PDFBox 1.1.0
*/
public static readonly CosInt One = Get(1);
/**
* Constant for the number two.
* @since Apache PDFBox 1.1.0
*/
public static readonly CosInt Two = Get(2);
/**
* Constant for the number three.
* @since Apache PDFBox 1.1.0
*/
public static readonly CosInt Three = Get(3);
/**
* Returns a CosInt instance with the given value.
*
* @param val integer value
* @return CosInt instance
*/
public static CosInt Get(long val)
{
if (Low <= val && val <= High)
{
int index = (int)val - Low;
// no synchronization needed
if (Static[index] == null)
{
Static[index] = new CosInt(val);
}
return Static[index];
}
return new CosInt(val);
}
private readonly long value;
/**
* constructor.
*
* @param val The integer value of this object.
*/
private CosInt(long val)
{
value = val;
}
/**
* {@inheritDoc}
*/
public override bool Equals(object obj)
{
return Equals(obj as CosInt);
}
protected bool Equals(CosInt other)
{
return value == other?.value;
}
public override int GetHashCode()
{
return value.GetHashCode();
}
public override string ToString()
{
return "COSInt{" + value + "}";
}
public void WriteToPdfStream(BinaryWriter output)
{
var encoding = Encoding.GetEncoding("ISO-8859-1");
output.Write(encoding.GetBytes(value.ToString("D")));
}
/**
* visitor pattern double dispatch method.
*
* @param visitor The object to notify when visiting this object.
* @return any object, depending on the visitor implementation, or null
* @throws IOException If an error occurs while visiting this object.
*/
public override object Accept(ICosVisitor visitor)
{
return visitor.VisitFromInt(this);
}
public float AsFloat()
{
return value;
}
public double AsDouble()
{
return value;
}
public int AsInt()
{
return (int)value;
}
public long AsLong()
{
return value;
}
public decimal AsDecimal()
{
return value;
}
}
}

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src/UglyToad.PdfPig/Cos/CosName.cs
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namespace UglyToad.PdfPig.Cos
{
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;
using Core;
using Tokenization.Tokens;
using Util;
using Util.JetBrains.Annotations;
/**
* A PDF Name object.
*
* @author Ben Litchfield
*/
[Obsolete]
internal class CosName : CosBase, IComparable<CosName>, ICosStreamWriter
{
// using ConcurrentHashMap because this can be accessed by multiple threads
private static readonly ConcurrentDictionary<string, CosName> NameMap = new ConcurrentDictionary<string, CosName>();
// all common CosName values are stored in this HashMap
// they are already defined as static constants and don't need to be synchronized
private static readonly Dictionary<string, CosName> CommonNameMap = new Dictionary<string, CosName>(768);
//
// IMPORTANT: this list is *alphabetized* and does not need any JavaDoc
//
// A
public static readonly CosName A = new CosName("A");
public static readonly CosName AA = new CosName("AA");
public static readonly CosName ACRO_FORM = new CosName("AcroForm");
public static readonly CosName ACTUAL_TEXT = new CosName("ActualText");
public static readonly CosName ADBE_PKCS7_DETACHED = new CosName("adbe.pkcs7.detached");
public static readonly CosName ADBE_PKCS7_SHA1 = new CosName("adbe.pkcs7.sha1");
public static readonly CosName ADBE_X509_RSA_SHA1 = new CosName("adbe.x509.rsa_sha1");
public static readonly CosName ADOBE_PPKLITE = new CosName("Adobe.PPKLite");
public static readonly CosName AESV2 = new CosName("AESV2");
public static readonly CosName AESV3 = new CosName("AESV3");
public static readonly CosName AFTER = new CosName("After");
public static readonly CosName AIS = new CosName("AIS");
public static readonly CosName ALT = new CosName("Alt");
public static readonly CosName ALPHA = new CosName("Alpha");
public static readonly CosName ALTERNATE = new CosName("Alternate");
public static readonly CosName ANNOT = new CosName("Annot");
public static readonly CosName ANNOTS = new CosName("Annots");
public static readonly CosName ANTI_ALIAS = new CosName("AntiAlias");
public static readonly CosName AP = new CosName("AP");
public static readonly CosName AP_REF = new CosName("APRef");
public static readonly CosName APP = new CosName("App");
public static readonly CosName ART_BOX = new CosName("ArtBox");
public static readonly CosName ARTIFACT = new CosName("Artifact");
public static readonly CosName AS = new CosName("AS");
public static readonly CosName ASCENT = new CosName("Ascent");
public static readonly CosName ASCII_HEX_DECODE = new CosName("ASCIIHexDecode");
public static readonly CosName ASCII_HEX_DECODE_ABBREVIATION = new CosName("AHx");
public static readonly CosName ASCII85_DECODE = new CosName("ASCII85Decode");
public static readonly CosName ASCII85_DECODE_ABBREVIATION = new CosName("A85");
public static readonly CosName ATTACHED = new CosName("Attached");
public static readonly CosName AUTHOR = new CosName("Author");
public static readonly CosName AVG_WIDTH = new CosName("AvgWidth");
// B
public static readonly CosName B = new CosName("B");
public static readonly CosName BACKGROUND = new CosName("Background");
public static readonly CosName BASE_ENCODING = new CosName("BaseEncoding");
public static readonly CosName BASE_FONT = new CosName("BaseFont");
public static readonly CosName BASE_STATE = new CosName("BaseState");
public static readonly CosName BBOX = new CosName("BBox");
public static readonly CosName BC = new CosName("BC");
public static readonly CosName BE = new CosName("BE");
public static readonly CosName BEFORE = new CosName("Before");
public static readonly CosName BG = new CosName("BG");
public static readonly CosName BITS_PER_COMPONENT = new CosName("BitsPerComponent");
public static readonly CosName BITS_PER_COORDINATE = new CosName("BitsPerCoordinate");
public static readonly CosName BITS_PER_FLAG = new CosName("BitsPerFlag");
public static readonly CosName BITS_PER_SAMPLE = new CosName("BitsPerSample");
public static readonly CosName BLACK_IS_1 = new CosName("BlackIs1");
public static readonly CosName BLACK_POINT = new CosName("BlackPoint");
public static readonly CosName BLEED_BOX = new CosName("BleedBox");
public static readonly CosName BM = new CosName("BM");
public static readonly CosName BORDER = new CosName("Border");
public static readonly CosName BOUNDS = new CosName("Bounds");
public static readonly CosName BPC = new CosName("BPC");
public static readonly CosName BS = new CosName("BS");
//** Acro form field type for button fields.
public static readonly CosName BTN = new CosName("Btn");
public static readonly CosName BYTERANGE = new CosName("ByteRange");
// C
public static readonly CosName C = new CosName("C");
public static readonly CosName C0 = new CosName("C0");
public static readonly CosName C1 = new CosName("C1");
public static readonly CosName CA = new CosName("CA");
public static readonly CosName CA_NS = new CosName("ca");
public static readonly CosName CALGRAY = new CosName("CalGray");
public static readonly CosName CALRGB = new CosName("CalRGB");
public static readonly CosName CAP = new CosName("Cap");
public static readonly CosName CAP_HEIGHT = new CosName("CapHeight");
public static readonly CosName CATALOG = new CosName("Catalog");
public static readonly CosName CCITTFAX_DECODE = new CosName("CCITTFaxDecode");
public static readonly CosName CCITTFAX_DECODE_ABBREVIATION = new CosName("CCF");
public static readonly CosName CENTER_WINDOW = new CosName("CenterWindow");
public static readonly CosName CF = new CosName("CF");
public static readonly CosName CFM = new CosName("CFM");
//** Acro form field type for choice fields.
public static readonly CosName CH = new CosName("Ch");
public static readonly CosName CHAR_PROCS = new CosName("CharProcs");
public static readonly CosName CHAR_SET = new CosName("CharSet");
public static readonly CosName CICI_SIGNIT = new CosName("CICI.SignIt");
public static readonly CosName CID_FONT_TYPE0 = new CosName("CIDFontType0");
public static readonly CosName CID_FONT_TYPE2 = new CosName("CIDFontType2");
public static readonly CosName CID_TO_GID_MAP = new CosName("CIDToGIDMap");
public static readonly CosName CID_SET = new CosName("CIDSet");
public static readonly CosName CIDSYSTEMINFO = new CosName("CIDSystemInfo");
public static readonly CosName CL = new CosName("CL");
public static readonly CosName CLR_F = new CosName("ClrF");
public static readonly CosName CLR_FF = new CosName("ClrFf");
public static readonly CosName CMAP = new CosName("CMap");
public static readonly CosName CMAPNAME = new CosName("CMapName");
public static readonly CosName CMYK = new CosName("CMYK");
public static readonly CosName CO = new CosName("CO");
public static readonly CosName COLOR_BURN = new CosName("ColorBurn");
public static readonly CosName COLOR_DODGE = new CosName("ColorDodge");
public static readonly CosName COLORANTS = new CosName("Colorants");
public static readonly CosName COLORS = new CosName("Colors");
public static readonly CosName COLORSPACE = new CosName("ColorSpace");
public static readonly CosName COLUMNS = new CosName("Columns");
public static readonly CosName COMPATIBLE = new CosName("Compatible");
public static readonly CosName COMPONENTS = new CosName("Components");
public static readonly CosName CONTACT_INFO = new CosName("ContactInfo");
public static readonly CosName CONTENTS = new CosName("Contents");
public static readonly CosName COORDS = new CosName("Coords");
public static readonly CosName COUNT = new CosName("Count");
public static readonly CosName CP = new CosName("CP");
public static readonly CosName CREATION_DATE = new CosName("CreationDate");
public static readonly CosName CREATOR = new CosName("Creator");
public static readonly CosName CROP_BOX = new CosName("CropBox");
public static readonly CosName CRYPT = new CosName("Crypt");
public static readonly CosName CS = new CosName("CS");
// D
public static readonly CosName D = new CosName("D");
public static readonly CosName DA = new CosName("DA");
public static readonly CosName DARKEN = new CosName("Darken");
public static readonly CosName DATE = new CosName("Date");
public static readonly CosName DCT_DECODE = new CosName("DCTDecode");
public static readonly CosName DCT_DECODE_ABBREVIATION = new CosName("DCT");
public static readonly CosName DECODE = new CosName("Decode");
public static readonly CosName DECODE_PARMS = new CosName("DecodeParms");
public static readonly CosName DEFAULT = new CosName("default");
public static readonly CosName DEFAULT_CMYK = new CosName("DefaultCMYK");
public static readonly CosName DEFAULT_GRAY = new CosName("DefaultGray");
public static readonly CosName DEFAULT_RGB = new CosName("DefaultRGB");
public static readonly CosName DESC = new CosName("Desc");
public static readonly CosName DESCENDANT_FONTS = new CosName("DescendantFonts");
public static readonly CosName DESCENT = new CosName("Descent");
public static readonly CosName DEST = new CosName("Dest");
public static readonly CosName DEST_OUTPUT_PROFILE = new CosName("DestOutputProfile");
public static readonly CosName DESTS = new CosName("Dests");
public static readonly CosName DEVICECMYK = new CosName("DeviceCMYK");
public static readonly CosName DEVICEGRAY = new CosName("DeviceGray");
public static readonly CosName DEVICEN = new CosName("DeviceN");
public static readonly CosName DEVICERGB = new CosName("DeviceRGB");
public static readonly CosName DI = new CosName("Di");
public static readonly CosName DIFFERENCE = new CosName("Difference");
public static readonly CosName DIFFERENCES = new CosName("Differences");
public static readonly CosName DIGEST_METHOD = new CosName("DigestMethod");
public static readonly CosName DIGEST_RIPEMD160 = new CosName("RIPEMD160");
public static readonly CosName DIGEST_SHA1 = new CosName("SHA1");
public static readonly CosName DIGEST_SHA256 = new CosName("SHA256");
public static readonly CosName DIGEST_SHA384 = new CosName("SHA384");
public static readonly CosName DIGEST_SHA512 = new CosName("SHA512");
public static readonly CosName DIRECTION = new CosName("Direction");
public static readonly CosName DISPLAY_DOC_TITLE = new CosName("DisplayDocTitle");
public static readonly CosName DL = new CosName("DL");
public static readonly CosName DM = new CosName("Dm");
public static readonly CosName DOC = new CosName("Doc");
public static readonly CosName DOC_CHECKSUM = new CosName("DocChecksum");
public static readonly CosName DOC_TIME_STAMP = new CosName("DocTimeStamp");
public static readonly CosName DOCMDP = new CosName("DocMDP");
public static readonly CosName DOMAIN = new CosName("Domain");
public static readonly CosName DOS = new CosName("DOS");
public static readonly CosName DP = new CosName("DP");
public static readonly CosName DR = new CosName("DR");
public static readonly CosName DS = new CosName("DS");
public static readonly CosName DUPLEX = new CosName("Duplex");
public static readonly CosName DUR = new CosName("Dur");
public static readonly CosName DV = new CosName("DV");
public static readonly CosName DW = new CosName("DW");
public static readonly CosName DW2 = new CosName("DW2");
// E
public static readonly CosName E = new CosName("E");
public static readonly CosName EARLY_CHANGE = new CosName("EarlyChange");
public static readonly CosName EF = new CosName("EF");
public static readonly CosName EMBEDDED_FDFS = new CosName("EmbeddedFDFs");
public static readonly CosName EMBEDDED_FILES = new CosName("EmbeddedFiles");
public static readonly CosName EMPTY = new CosName("");
public static readonly CosName ENCODE = new CosName("Encode");
public static readonly CosName ENCODED_BYTE_ALIGN = new CosName("EncodedByteAlign");
public static readonly CosName ENCODING = new CosName("Encoding");
public static readonly CosName ENCODING_90MS_RKSJ_H = new CosName("90ms-RKSJ-H");
public static readonly CosName ENCODING_90MS_RKSJ_V = new CosName("90ms-RKSJ-V");
public static readonly CosName ENCODING_ETEN_B5_H = new CosName("ETen-B5-H");
public static readonly CosName ENCODING_ETEN_B5_V = new CosName("ETen-B5-V");
public static readonly CosName ENCRYPT = new CosName("Encrypt");
public static readonly CosName ENCRYPT_META_DATA = new CosName("EncryptMetadata");
public static readonly CosName END_OF_LINE = new CosName("EndOfLine");
public static readonly CosName ENTRUST_PPKEF = new CosName("Entrust.PPKEF");
public static readonly CosName EXCLUSION = new CosName("Exclusion");
public static readonly CosName EXT_G_STATE = new CosName("ExtGState");
public static readonly CosName EXTEND = new CosName("Extend");
public static readonly CosName EXTENDS = new CosName("Extends");
// F
public static readonly CosName F = new CosName("F");
public static readonly CosName F_DECODE_PARMS = new CosName("FDecodeParms");
public static readonly CosName F_FILTER = new CosName("FFilter");
public static readonly CosName FB = new CosName("FB");
public static readonly CosName FDF = new CosName("FDF");
public static readonly CosName FF = new CosName("Ff");
public static readonly CosName FIELDS = new CosName("Fields");
public static readonly CosName FILESPEC = new CosName("Filespec");
public static readonly CosName FILTER = new CosName("Filter");
public static readonly CosName FIRST = new CosName("First");
public static readonly CosName FIRST_CHAR = new CosName("FirstChar");
public static readonly CosName FIT_WINDOW = new CosName("FitWindow");
public static readonly CosName FL = new CosName("FL");
public static readonly CosName FLAGS = new CosName("Flags");
public static readonly CosName FLATE_DECODE = new CosName("FlateDecode");
public static readonly CosName FLATE_DECODE_ABBREVIATION = new CosName("Fl");
public static readonly CosName FONT = new CosName("Font");
public static readonly CosName FONT_BBOX = new CosName("FontBBox");
public static readonly CosName FONT_DESC = new CosName("FontDescriptor");
public static readonly CosName FONT_FAMILY = new CosName("FontFamily");
public static readonly CosName FONT_FILE = new CosName("FontFile");
public static readonly CosName FONT_FILE2 = new CosName("FontFile2");
public static readonly CosName FONT_FILE3 = new CosName("FontFile3");
public static readonly CosName FONT_MATRIX = new CosName("FontMatrix");
public static readonly CosName FONT_NAME = new CosName("FontName");
public static readonly CosName FONT_STRETCH = new CosName("FontStretch");
public static readonly CosName FONT_WEIGHT = new CosName("FontWeight");
public static readonly CosName FORM = new CosName("Form");
public static readonly CosName FORMTYPE = new CosName("FormType");
public static readonly CosName FRM = new CosName("FRM");
public static readonly CosName FT = new CosName("FT");
public static readonly CosName FUNCTION = new CosName("Function");
public static readonly CosName FUNCTION_TYPE = new CosName("FunctionType");
public static readonly CosName FUNCTIONS = new CosName("Functions");
// G
public static readonly CosName G = new CosName("G");
public static readonly CosName GAMMA = new CosName("Gamma");
public static readonly CosName GROUP = new CosName("Group");
public static readonly CosName GTS_PDFA1 = new CosName("GTS_PDFA1");
// H
public static readonly CosName H = new CosName("H");
public static readonly CosName HARD_LIGHT = new CosName("HardLight");
public static readonly CosName HEIGHT = new CosName("Height");
public static readonly CosName HIDE_MENUBAR = new CosName("HideMenubar");
public static readonly CosName HIDE_TOOLBAR = new CosName("HideToolbar");
public static readonly CosName HIDE_WINDOWUI = new CosName("HideWindowUI");
// I
public static readonly CosName I = new CosName("I");
public static readonly CosName IC = new CosName("IC");
public static readonly CosName ICCBASED = new CosName("ICCBased");
public static readonly CosName ID = new CosName("ID");
public static readonly CosName ID_TREE = new CosName("IDTree");
public static readonly CosName IDENTITY = new CosName("Identity");
public static readonly CosName IDENTITY_H = new CosName("Identity-H");
public static readonly CosName IDENTITY_V = new CosName("Identity-V");
public static readonly CosName IF = new CosName("IF");
public static readonly CosName IM = new CosName("IM");
public static readonly CosName IMAGE = new CosName("Image");
public static readonly CosName IMAGE_MASK = new CosName("ImageMask");
public static readonly CosName INDEX = new CosName("Index");
public static readonly CosName INDEXED = new CosName("Indexed");
public static readonly CosName INFO = new CosName("Info");
public static readonly CosName INKLIST = new CosName("InkList");
public static readonly CosName INTERPOLATE = new CosName("Interpolate");
public static readonly CosName IT = new CosName("IT");
public static readonly CosName ITALIC_ANGLE = new CosName("ItalicAngle");
// J
public static readonly CosName JAVA_SCRIPT = new CosName("JavaScript");
public static readonly CosName JBIG2_DECODE = new CosName("JBIG2Decode");
public static readonly CosName JBIG2_GLOBALS = new CosName("JBIG2Globals");
public static readonly CosName JPX_DECODE = new CosName("JPXDecode");
public static readonly CosName JS = new CosName("JS");
// K
public static readonly CosName K = new CosName("K");
public static readonly CosName KEYWORDS = new CosName("Keywords");
public static readonly CosName KIDS = new CosName("Kids");
// L
public static readonly CosName L = new CosName("L");
public static readonly CosName LAB = new CosName("Lab");
public static readonly CosName LANG = new CosName("Lang");
public static readonly CosName LAST = new CosName("Last");
public static readonly CosName LAST_CHAR = new CosName("LastChar");
public static readonly CosName LAST_MODIFIED = new CosName("LastModified");
public static readonly CosName LC = new CosName("LC");
public static readonly CosName LE = new CosName("LE");
public static readonly CosName LEADING = new CosName("Leading");
public static readonly CosName LEGAL_ATTESTATION = new CosName("LegalAttestation");
public static readonly CosName LENGTH = new CosName("Length");
public static readonly CosName LENGTH1 = new CosName("Length1");
public static readonly CosName LENGTH2 = new CosName("Length2");
public static readonly CosName LIGHTEN = new CosName("Lighten");
public static readonly CosName LIMITS = new CosName("Limits");
public static readonly CosName LJ = new CosName("LJ");
public static readonly CosName LL = new CosName("LL");
public static readonly CosName LLE = new CosName("LLE");
public static readonly CosName LLO = new CosName("LLO");
public static readonly CosName LOCATION = new CosName("Location");
public static readonly CosName LUMINOSITY = new CosName("Luminosity");
public static readonly CosName LW = new CosName("LW");
public static readonly CosName LZW_DECODE = new CosName("LZWDecode");
public static readonly CosName LZW_DECODE_ABBREVIATION = new CosName("LZW");
// M
public static readonly CosName M = new CosName("M");
public static readonly CosName MAC = new CosName("Mac");
public static readonly CosName MAC_EXPERT_ENCODING = new CosName("MacExpertEncoding");
public static readonly CosName MAC_ROMAN_ENCODING = new CosName("MacRomanEncoding");
public static readonly CosName MARK_INFO = new CosName("MarkInfo");
public static readonly CosName MASK = new CosName("Mask");
public static readonly CosName MATRIX = new CosName("Matrix");
public static readonly CosName MAX_LEN = new CosName("MaxLen");
public static readonly CosName MAX_WIDTH = new CosName("MaxWidth");
public static readonly CosName MCID = new CosName("MCID");
public static readonly CosName MDP = new CosName("MDP");
public static readonly CosName MEDIA_BOX = new CosName("MediaBox");
public static readonly CosName METADATA = new CosName("Metadata");
public static readonly CosName MISSING_WIDTH = new CosName("MissingWidth");
public static readonly CosName MIX = new CosName("Mix");
public static readonly CosName MK = new CosName("MK");
public static readonly CosName ML = new CosName("ML");
public static readonly CosName MM_TYPE1 = new CosName("MMType1");
public static readonly CosName MOD_DATE = new CosName("ModDate");
public static readonly CosName MULTIPLY = new CosName("Multiply");
// N
public static readonly CosName N = new CosName("N");
public static readonly CosName NAME = new CosName("Name");
public static readonly CosName NAMES = new CosName("Names");
public static readonly CosName NEED_APPEARANCES = new CosName("NeedAppearances");
public static readonly CosName NEXT = new CosName("Next");
public static readonly CosName NM = new CosName("NM");
public static readonly CosName NON_EFONT_NO_WARN = new CosName("NonEFontNoWarn");
public static readonly CosName NON_FULL_SCREEN_PAGE_MODE = new CosName("NonFullScreenPageMode");
public static readonly CosName NONE = new CosName("None");
public static readonly CosName NORMAL = new CosName("Normal");
public static readonly CosName NUMS = new CosName("Nums");
// O
public static readonly CosName O = new CosName("O");
public static readonly CosName OBJ = new CosName("Obj");
public static readonly CosName OBJ_STM = new CosName("ObjStm");
public static readonly CosName OC = new CosName("OC");
public static readonly CosName OCG = new CosName("OCG");
public static readonly CosName OCGS = new CosName("OCGs");
public static readonly CosName OCPROPERTIES = new CosName("OCProperties");
public static readonly CosName OE = new CosName("OE");
/**
* "OFF", to be used for OCGs, not for Acroform
*/
public static readonly CosName OFF = new CosName("OFF");
/**
* "Off", to be used for Acroform, not for OCGs
*/
public static readonly CosName Off = new CosName("Off");
public static readonly CosName ON = new CosName("ON");
public static readonly CosName OP = new CosName("OP");
public static readonly CosName OP_NS = new CosName("op");
public static readonly CosName OPEN_ACTION = new CosName("OpenAction");
public static readonly CosName OPEN_TYPE = new CosName("OpenType");
public static readonly CosName OPM = new CosName("OPM");
public static readonly CosName OPT = new CosName("Opt");
public static readonly CosName ORDER = new CosName("Order");
public static readonly CosName ORDERING = new CosName("Ordering");
public static readonly CosName OS = new CosName("OS");
public static readonly CosName OUTLINES = new CosName("Outlines");
public static readonly CosName OUTPUT_CONDITION = new CosName("OutputCondition");
public static readonly CosName OUTPUT_CONDITION_IDENTIFIER = new CosName(
"OutputConditionIdentifier");
public static readonly CosName OUTPUT_INTENT = new CosName("OutputIntent");
public static readonly CosName OUTPUT_INTENTS = new CosName("OutputIntents");
public static readonly CosName OVERLAY = new CosName("Overlay");
// P
public static readonly CosName P = new CosName("P");
public static readonly CosName PAGE = new CosName("Page");
public static readonly CosName PAGE_LABELS = new CosName("PageLabels");
public static readonly CosName PAGE_LAYOUT = new CosName("PageLayout");
public static readonly CosName PAGE_MODE = new CosName("PageMode");
public static readonly CosName PAGES = new CosName("Pages");
public static readonly CosName PAINT_TYPE = new CosName("PaintType");
public static readonly CosName PANOSE = new CosName("Panose");
public static readonly CosName PARAMS = new CosName("Params");
public static readonly CosName PARENT = new CosName("Parent");
public static readonly CosName PARENT_TREE = new CosName("ParentTree");
public static readonly CosName PARENT_TREE_NEXT_KEY = new CosName("ParentTreeNextKey");
public static readonly CosName PATTERN = new CosName("Pattern");
public static readonly CosName PATTERN_TYPE = new CosName("PatternType");
public static readonly CosName PDF_DOC_ENCODING = new CosName("PDFDocEncoding");
public static readonly CosName PERMS = new CosName("Perms");
public static readonly CosName PG = new CosName("Pg");
public static readonly CosName PRE_RELEASE = new CosName("PreRelease");
public static readonly CosName PREDICTOR = new CosName("Predictor");
public static readonly CosName PREV = new CosName("Prev");
public static readonly CosName PRINT_AREA = new CosName("PrintArea");
public static readonly CosName PRINT_CLIP = new CosName("PrintClip");
public static readonly CosName PRINT_SCALING = new CosName("PrintScaling");
public static readonly CosName PROC_SET = new CosName("ProcSet");
public static readonly CosName PROCESS = new CosName("Process");
public static readonly CosName PRODUCER = new CosName("Producer");
public static readonly CosName PROP_BUILD = new CosName("Prop_Build");
public static readonly CosName PROPERTIES = new CosName("Properties");
public static readonly CosName PS = new CosName("PS");
public static readonly CosName PUB_SEC = new CosName("PubSec");
// Q
public static readonly CosName Q = new CosName("Q");
public static readonly CosName QUADPOINTS = new CosName("QuadPoints");
// R
public static readonly CosName R = new CosName("R");
public static readonly CosName RANGE = new CosName("Range");
public static readonly CosName RC = new CosName("RC");
public static readonly CosName RD = new CosName("RD");
public static readonly CosName REASON = new CosName("Reason");
public static readonly CosName REASONS = new CosName("Reasons");
public static readonly CosName REPEAT = new CosName("Repeat");
public static readonly CosName RECIPIENTS = new CosName("Recipients");
public static readonly CosName RECT = new CosName("Rect");
public static readonly CosName REGISTRY = new CosName("Registry");
public static readonly CosName REGISTRY_NAME = new CosName("RegistryName");
public static readonly CosName RENAME = new CosName("Rename");
public static readonly CosName RESOURCES = new CosName("Resources");
public static readonly CosName RGB = new CosName("RGB");
public static readonly CosName RI = new CosName("RI");
public static readonly CosName ROLE_MAP = new CosName("RoleMap");
public static readonly CosName ROOT = new CosName("Root");
public static readonly CosName ROTATE = new CosName("Rotate");
public static readonly CosName ROWS = new CosName("Rows");
public static readonly CosName RUN_LENGTH_DECODE = new CosName("RunLengthDecode");
public static readonly CosName RUN_LENGTH_DECODE_ABBREVIATION = new CosName("RL");
public static readonly CosName RV = new CosName("RV");
// S
public static readonly CosName S = new CosName("S");
public static readonly CosName SA = new CosName("SA");
public static readonly CosName SCREEN = new CosName("Screen");
public static readonly CosName SE = new CosName("SE");
public static readonly CosName SEPARATION = new CosName("Separation");
public static readonly CosName SET_F = new CosName("SetF");
public static readonly CosName SET_FF = new CosName("SetFf");
public static readonly CosName SHADING = new CosName("Shading");
public static readonly CosName SHADING_TYPE = new CosName("ShadingType");
public static readonly CosName SIG = new CosName("Sig");
public static readonly CosName SIG_FLAGS = new CosName("SigFlags");
public static readonly CosName SIZE = new CosName("Size");
public static readonly CosName SM = new CosName("SM");
public static readonly CosName SMASK = new CosName("SMask");
public static readonly CosName SOFT_LIGHT = new CosName("SoftLight");
public static readonly CosName SOUND = new CosName("Sound");
public static readonly CosName SS = new CosName("SS");
public static readonly CosName ST = new CosName("St");
public static readonly CosName STANDARD_ENCODING = new CosName("StandardEncoding");
public static readonly CosName STATE = new CosName("State");
public static readonly CosName STATE_MODEL = new CosName("StateModel");
public static readonly CosName STATUS = new CosName("Status");
public static readonly CosName STD_CF = new CosName("StdCF");
public static readonly CosName STEM_H = new CosName("StemH");
public static readonly CosName STEM_V = new CosName("StemV");
public static readonly CosName STM_F = new CosName("StmF");
public static readonly CosName STR_F = new CosName("StrF");
public static readonly CosName STRUCT_PARENT = new CosName("StructParent");
public static readonly CosName STRUCT_PARENTS = new CosName("StructParents");
public static readonly CosName STRUCT_TREE_ROOT = new CosName("StructTreeRoot");
public static readonly CosName STYLE = new CosName("Style");
public static readonly CosName SUB_FILTER = new CosName("SubFilter");
public static readonly CosName SUBJ = new CosName("Subj");
public static readonly CosName SUBJECT = new CosName("Subject");
public static readonly CosName SUBTYPE = new CosName("Subtype");
public static readonly CosName SUPPLEMENT = new CosName("Supplement");
public static readonly CosName SV = new CosName("SV");
public static readonly CosName SW = new CosName("SW");
public static readonly CosName SY = new CosName("Sy");
public static readonly CosName SYNCHRONOUS = new CosName("Synchronous");
// T
public static readonly CosName T = new CosName("T");
public static readonly CosName TARGET = new CosName("Target");
public static readonly CosName TEMPLATES = new CosName("Templates");
public static readonly CosName THREADS = new CosName("Threads");
public static readonly CosName THUMB = new CosName("Thumb");
public static readonly CosName TI = new CosName("TI");
public static readonly CosName TILING_TYPE = new CosName("TilingType");
public static readonly CosName TIME_STAMP = new CosName("TimeStamp");
public static readonly CosName TITLE = new CosName("Title");
public static readonly CosName TK = new CosName("TK");
public static readonly CosName TM = new CosName("TM");
public static readonly CosName TO_UNICODE = new CosName("ToUnicode");
public static readonly CosName TR = new CosName("TR");
public static readonly CosName TR2 = new CosName("TR2");
public static readonly CosName TRAPPED = new CosName("Trapped");
public static readonly CosName TRANS = new CosName("Trans");
public static readonly CosName TRANSPARENCY = new CosName("Transparency");
public static readonly CosName TREF = new CosName("TRef");
public static readonly CosName TRIM_BOX = new CosName("TrimBox");
public static readonly CosName TRUE_TYPE = new CosName("TrueType");
public static readonly CosName TRUSTED_MODE = new CosName("TrustedMode");
public static readonly CosName TU = new CosName("TU");
/** Acro form field type for text field. */
public static readonly CosName TX = new CosName("Tx");
public static readonly CosName TYPE = new CosName("Type");
public static readonly CosName TYPE0 = new CosName("Type0");
public static readonly CosName TYPE1 = new CosName("Type1");
public static readonly CosName TYPE3 = new CosName("Type3");
// U
public static readonly CosName U = new CosName("U");
public static readonly CosName UE = new CosName("UE");
public static readonly CosName UF = new CosName("UF");
public static readonly CosName UNCHANGED = new CosName("Unchanged");
public static readonly CosName UNIX = new CosName("Unix");
public static readonly CosName URI = new CosName("URI");
public static readonly CosName URL = new CosName("URL");
public static readonly CosName USER_UNIT = new CosName("UserUnit");
// V
public static readonly CosName V = new CosName("V");
public static readonly CosName VERISIGN_PPKVS = new CosName("VeriSign.PPKVS");
public static readonly CosName VERSION = new CosName("Version");
public static readonly CosName VERTICES = new CosName("Vertices");
public static readonly CosName VERTICES_PER_ROW = new CosName("VerticesPerRow");
public static readonly CosName VIEW_AREA = new CosName("ViewArea");
public static readonly CosName VIEW_CLIP = new CosName("ViewClip");
public static readonly CosName VIEWER_PREFERENCES = new CosName("ViewerPreferences");
public static readonly CosName VOLUME = new CosName("Volume");
// W
public static readonly CosName W = new CosName("W");
public static readonly CosName W2 = new CosName("W2");
public static readonly CosName WHITE_POINT = new CosName("WhitePoint");
public static readonly CosName WIDGET = new CosName("Widget");
public static readonly CosName WIDTH = new CosName("Width");
public static readonly CosName WIDTHS = new CosName("Widths");
public static readonly CosName WIN_ANSI_ENCODING = new CosName("WinAnsiEncoding");
// X
public static readonly CosName XFA = new CosName("XFA");
public static readonly CosName X_STEP = new CosName("XStep");
public static readonly CosName XHEIGHT = new CosName("XHeight");
public static readonly CosName XOBJECT = new CosName("XObject");
public static readonly CosName XREF = new CosName("XRef");
public static readonly CosName XREF_STM = new CosName("XRefStm");
// Y
public static readonly CosName Y_STEP = new CosName("YStep");
public static readonly CosName YES = new CosName("Yes");
public string Name { get; }
/// <summary>
/// Create or retrieve a <see cref="CosName"/> object with a given name.
/// </summary>
/// <returns><see langword="null"/> if the string is invalid, an instance of the given <see cref="CosName"/> otherwise.</returns>
[CanBeNull]
[DebuggerStepThrough]
public static CosName Create(string name)
{
if (string.IsNullOrEmpty(name))
{
return null;
}
if (!CommonNameMap.TryGetValue(name, out var cosName))
{
if (!NameMap.TryGetValue(name, out cosName))
{
cosName = new CosName(name, false);
}
}
return cosName;
}
public static bool Equals(CosName f, CosName s)
{
return string.Equals(f?.Name, s?.Name);
}
/**
* Private constructor. This will limit the number of CosName objects. that are created.
*
* @param name The name of the CosName object.
* @param staticValue Indicates if the CosName object is static so that it can be stored in the HashMap without
* synchronizing.
*/
private CosName(string aName, bool staticValue = true)
{
Name = aName;
if (staticValue)
{
CommonNameMap.Add(aName, this);
}
else
{
NameMap.TryAdd(aName, this);
}
}
public override string ToString()
{
return $"/{Name}";
}
public void WriteToPdfStream(BinaryWriter output)
{
output.Write('/');
byte[] bytes = Encoding.ASCII.GetBytes(Name);
foreach (var b in bytes)
{
int current = b & 0xFF;
// be more restrictive than the PDF spec, "Name Objects", see PDFBOX-2073
if (current >= 'A' && current <= 'Z' ||
current >= 'a' && current <= 'z' ||
current >= '0' && current <= '9' ||
current == '+' ||
current == '-' ||
current == '_' ||
current == '@' ||
current == '*' ||
current == '$' ||
current == ';' ||
current == '.')
{
output.Write(current);
}
else
{
output.Write('#');
Hex.WriteHexByte(b, output);
}
}
}
public override bool Equals(object obj)
{
return Equals(obj as CosName);
}
public bool Equals(CosName other)
{
return string.Equals(Name, other?.Name);
}
public override int GetHashCode()
{
return Name.GetHashCode();
}
/// <summary>
/// Is the name <see cref="string.Empty"/>?
/// </summary>
public bool IsEmpty()
{
return Name == string.Empty;
}
public override object Accept(ICosVisitor visitor)
{
return visitor.VisitFromName(this);
}
/**
* Not usually needed except if resources need to be reclaimed in a long running process.
*/
public static void ClearResources()
{
// Clear them all
NameMap.Clear();
}
public int CompareTo(CosName other)
{
return Name?.CompareTo(other?.Name) ?? 0;
}
}
}

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src/UglyToad.PdfPig/Cos/CosNull.cs
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@@ -1,41 +0,0 @@
namespace UglyToad.PdfPig.Cos
{
using System;
using System.IO;
using Core;
internal class CosNull : CosBase, ICosStreamWriter
{
/// <summary>
/// The Null Token
/// </summary>
public static readonly byte[] NullBytes = { (byte)'n', (byte)'u', (byte)'l', (byte)'l' };
/// <summary>
/// The one <see cref="CosNull"/> object in the system.
/// </summary>
public static CosNull Null => NullLazy.Value;
private static readonly Lazy<CosNull> NullLazy = new Lazy<CosNull>(() => new CosNull());
/// <summary>
/// Limit creation of <see cref="CosNull"/> to one instance.
/// </summary>
private CosNull() { }
public override object Accept(ICosVisitor visitor)
{
return visitor.VisitFromNull(this);
}
public void WriteToPdfStream(BinaryWriter output)
{
output.Write(NullBytes);
}
public override string ToString()
{
return "COSNull";
}
}
}

58
src/UglyToad.PdfPig/Cos/CosNumberFactory.cs
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namespace UglyToad.PdfPig.Cos
{
using System;
internal static class CosNumberFactory
{
/**
* This factory method will get the appropriate number object.
*
* @param number The string representation of the number.
*
* @return A number object, either float or int.
*
* @throws IOException If the string is not a number.
*/
public static ICosNumber get(string value)
{
if (value.Length == 1)
{
char digit = value[0];
if ('0' <= digit && digit <= '9')
{
return CosInt.Get(digit - '0');
}
else if (digit == '-' || digit == '.')
{
// See https://issues.apache.org/jira/browse/PDFBOX-592
return CosInt.Zero;
}
else
{
throw new ArgumentException($"Not a number: {value}");
}
}
else
{
if (value.IndexOf('.') == -1 && (value.ToLower().IndexOf('e') == -1))
{
try
{
if (value[0] == '+')
{
return CosInt.Get(long.Parse(value.Substring(1)));
}
return CosInt.Get(long.Parse(value));
}
catch (FormatException)
{
// might be a huge number, see PDFBOX-3116
return new CosFloat(value);
}
}
return new CosFloat(value);
}
}
}
}

132
src/UglyToad.PdfPig/Cos/CosObject.cs
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namespace UglyToad.PdfPig.Cos
{
using System.Diagnostics;
using ContentStream;
internal class CosObject : CosBase, ICosUpdateInfo
{
private CosBase baseObject;
private long objectNumber;
private int generationNumber;
/**
* Constructor.
*
* @param object The object that this encapsulates.
*
*/
public CosObject(CosBase obj)
{
SetObject(obj);
}
/**
* This will get the dictionary object in this object that has the name key and
* if it is a pdfobjref then it will dereference that and return it.
*
* @param key The key to the value that we are searching for.
*
* @return The pdf object that matches the key.
*/
public CosBase GetDictionaryObject(CosName key)
{
CosBase retval = null;
if (baseObject is CosDictionary)
{
retval = ((CosDictionary)baseObject).getDictionaryObject(key);
}
return retval;
}
/**
* This will get the dictionary object in this object that has the name key.
*
* @param key The key to the value that we are searching for.
*
* @return The pdf object that matches the key.
*/
public CosBase GetItem(CosName key)
{
CosBase retval = null;
if (baseObject is CosDictionary)
{
retval = ((CosDictionary)baseObject).getItem(key);
}
return retval;
}
/**
* This will get the object that this object encapsulates.
*
* @return The encapsulated object.
*/
public CosBase GetObject()
{
return baseObject;
}
/**
* This will set the object that this object encapsulates.
*
* @param object The new object to encapsulate.
*/
public void SetObject(CosBase obj)
{
baseObject = obj;
}
public override string ToString()
{
return "COSObject{" + objectNumber + ", " + generationNumber + "}";
}
/**
* Getter for property objectNumber.
* @return Value of property objectNumber.
*/
public long GetObjectNumber()
{
return objectNumber;
}
/**
* Setter for property objectNumber.
* @param objectNum New value of property objectNumber.
*/
public void SetObjectNumber(long objectNum)
{
objectNumber = objectNum;
}
/**
* Getter for property generationNumber.
* @return Value of property generationNumber.
*/
public int GetGenerationNumber()
{
return generationNumber;
}
/**
* Setter for property generationNumber.
* @param generationNumberValue New value of property generationNumber.
*/
public void SetGenerationNumber(int generationNumberValue)
{
generationNumber = generationNumberValue;
}
public override object Accept(ICosVisitor visitor)
{
return GetObject() != null ? GetObject().Accept(visitor) : CosNull.Null.Accept(visitor);
}
public bool NeedsToBeUpdated { get; set; }
[DebuggerStepThrough]
public IndirectReference ToIndirectReference()
{
return new IndirectReference(objectNumber, generationNumber);
}
}
}

36
src/UglyToad.PdfPig/Cos/CosObjectPool.cs
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namespace UglyToad.PdfPig.Cos
{
using System.Collections.Generic;
using ContentStream;
internal class CosObjectPool
{
private readonly Dictionary<IndirectReference, CosObject> objects = new Dictionary<IndirectReference, CosObject>();
public CosObject Get(IndirectReference key)
{
if (objects.TryGetValue(key, out var value))
{
return value;
}
// this was a forward reference, make "proxy" object
var obj = new CosObject(null);
obj.SetObjectNumber(key.ObjectNumber);
obj.SetGenerationNumber(key.Generation);
objects[key] = obj;
return obj;
}
public CosObject GetOrCreateDefault(IndirectReference key)
{
if (!objects.TryGetValue(key, out CosObject obj))
{
obj = new CosObject(null);
}
return obj;
}
}
}

189
src/UglyToad.PdfPig/Cos/CosString.cs
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namespace UglyToad.PdfPig.Cos
{
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using Util;
internal class CosString : CosBase
{
public byte[] Bytes { get; }
/**
* Creates a new PDF string from a byte array. This method can be used to read a string from
* an existing PDF file, or to create a new byte string.
*
* @param bytes The raw bytes of the PDF text string or byte string.
*/
public CosString(byte[] bytes)
{
Bytes = CloneBytes(bytes);
}
/**
* Creates a new <i>text string</i> from a Java string.
*
* @param text The string value of the object.
*/
public CosString(string text)
{
// check whether the string uses only characters available in PDFDocEncoding
bool isOnlyPdfDocEncoding = true;
for (int i = 0; i < text.Length; i++)
{
if (!PdfDocEncoding.ContainsChar(text[i]))
{
isOnlyPdfDocEncoding = false;
break;
}
}
if (isOnlyPdfDocEncoding)
{
// PDFDocEncoded string
Bytes = PdfDocEncoding.GetBytes(text);
}
else
{
// UTF-16BE encoded string with a leading byte order marker
byte[] data = Encoding.BigEndianUnicode.GetBytes(text);
using (var outBytes = new MemoryStream(data.Length + 2))
using (var w = new StreamWriter(outBytes))
{
w.Write(0xFE); // BOM
w.Write(0xFF); // BOM
try
{
w.Write(data);
}
catch (IOException e)
{
// should never happen
throw new InvalidOperationException("Fatal Error", e);
}
Bytes = outBytes.ToArray();
}
}
}
private static byte[] CloneBytes(IReadOnlyList<byte> bytes)
{
var result = new byte[bytes.Count];
for (int i = 0; i < bytes.Count; i++)
{
result[i] = bytes[i];
}
return result;
}
/// <summary>
/// This will create a <see cref="CosString"/> from a string of hex characters.
/// </summary>
/// <param name="hex">A hex string.</param>
/// <returns>A cos string with the hex characters converted to their actual bytes.</returns>
public static CosString ParseHex(string hex)
{
using (var bytes = new MemoryStream())
using (var writer = new StreamWriter(bytes))
{
StringBuilder hexBuffer = new StringBuilder(hex.Trim());
// if odd number then the last hex digit is assumed to be 0
if (hexBuffer.Length % 2 != 0)
{
hexBuffer.Append('0');
}
int length = hexBuffer.Length;
for (int i = 0; i < length; i += 2)
{
try
{
writer.Write(Convert.ToInt32(hexBuffer.ToString().Substring(i, 2), 16));
}
catch (FormatException e)
{
throw new ArgumentException("Invalid hex string: " + hex, e);
}
}
return new CosString(bytes.ToArray());
}
}
/**
* Returns the content of this string as a PDF <i>text string</i>.
*/
public string GetString()
{
// text string - BOM indicates Unicode
if (Bytes.Length >= 2)
{
if ((Bytes[0] & 0xff) == 0xFE && (Bytes[1] & 0xff) == 0xFF)
{
Encoding.BigEndianUnicode.GetString(Bytes, 2, Bytes.Length - 2);
}
else if ((Bytes[0] & 0xff) == 0xFF && (Bytes[1] & 0xff) == 0xFE)
{
Encoding.Unicode.GetString(Bytes, 2, Bytes.Length - 2);
}
}
// otherwise use PDFDocEncoding
return PdfDocEncoding.ToString(Bytes);
}
/**
* Returns the content of this string as a PDF <i>ASCII string</i>.
*/
public string GetAscii()
{
return Encoding.ASCII.GetString(Bytes);
}
/// <summary>
/// This will take this string and create a hex representation of the bytes that make the string.
/// </summary>
/// <returns>A hex string representing the bytes in this string.</returns>
public string ToHexString()
{
return Hex.GetString(Bytes);
}
public override bool Equals(object obj)
{
return Equals(obj as CosString);
}
protected bool Equals(CosString other)
{
if (other == null)
{
return false;
}
var thisString = GetString();
var otherString = other.GetString();
return string.Equals(thisString, otherString);
}
public override int GetHashCode()
{
unchecked
{
return ((Bytes != null ? Bytes.GetHashCode() : 0) * 397);
}
}
public override object Accept(ICosVisitor visitor)
{
return visitor.VisitFromString(this);
}
}
}

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src/UglyToad.PdfPig/Cos/ICosNumber.cs
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namespace UglyToad.PdfPig.Cos
{
internal interface ICosNumber
{
float AsFloat();
double AsDouble();
int AsInt();
long AsLong();
decimal AsDecimal();
}
}

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src/UglyToad.PdfPig/Cos/ICosVisitor.cs
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namespace UglyToad.PdfPig.Cos
{
using ContentStream;
/**
* An interface for visiting a PDF document at the type (COS) level.
*
* @author Michael Traut
*/
internal interface ICosVisitor
{
/**
* Notification of visit to Array object.
*
* @param obj The Object that is being visited.
* @return any Object depending on the visitor implementation, or null
* @throws IOException If there is an error while visiting this object.
*/
object VisitFromArray(COSArray obj);
/**
* Notification of visit to boolean object.
*
* @param obj The Object that is being visited.
* @return any Object depending on the visitor implementation, or null
* @throws IOException If there is an error while visiting this object.
*/
object VisitFromBoolean(PdfBoolean obj);
/**
* Notification of visit to dictionary object.
*
* @param obj The Object that is being visited.
* @return any Object depending on the visitor implementation, or null
* @throws IOException If there is an error while visiting this object.
*/
object VisitFromDictionary(CosDictionary obj);
/**
* Notification of visit to float object.
*
* @param obj The Object that is being visited.
* @return any Object depending on the visitor implementation, or null
* @throws IOException If there is an error while visiting this object.
*/
object VisitFromFloat(CosFloat obj);
/**
* Notification of visit to integer object.
*
* @param obj The Object that is being visited.
* @return any Object depending on the visitor implementation, or null
* @throws IOException If there is an error while visiting this object.
*/
object VisitFromInt(CosInt obj);
/**
* Notification of visit to name object.
*
* @param obj The Object that is being visited.
* @return any Object depending on the visitor implementation, or null
* @throws IOException If there is an error while visiting this object.
*/
object VisitFromName(CosName obj);
/**
* Notification of visit to null object.
*
* @param obj The Object that is being visited.
* @return any Object depending on the visitor implementation, or null
* @throws IOException If there is an error while visiting this object.
*/
object VisitFromNull(CosNull obj);
/**
* Notification of visit to string object.
*
* @param obj The Object that is being visited.
* @return any Object depending on the visitor implementation, or null
* @throws IOException If there is an error while visiting this object.
*/
object VisitFromString(CosString obj);
}
}

3
src/UglyToad.PdfPig/Filters/IFilterProvider.cs
View File

@@ -1,15 +1,12 @@
namespace UglyToad.PdfPig.Filters
{
using System.Collections.Generic;
using ContentStream;
using Tokenization.Tokens;
internal interface IFilterProvider
{
IReadOnlyList<IFilter> GetFilters(DictionaryToken dictionary);
IReadOnlyList<IFilter> GetFilters(PdfDictionary streamDictionary);
IReadOnlyList<IFilter> GetAllFilters();
}
}

32
src/UglyToad.PdfPig/Filters/MemoryFilterProvider.cs
View File

@@ -3,8 +3,6 @@
using System;
using System.Collections.Generic;
using System.Linq;
using ContentStream;
using Cos;
using Exceptions;
using Logging;
using Tokenization.Tokens;
@@ -56,35 +54,7 @@
throw new PdfDocumentFormatException($"The filter for the stream was not a valid object. Expected name or array, instead got: {token}.");
}
}
[Obsolete]
public IReadOnlyList<IFilter> GetFilters(PdfDictionary streamDictionary)
{
if (streamDictionary == null)
{
throw new ArgumentNullException(nameof(streamDictionary));
}
var filterObject = streamDictionary.GetItemOrDefault(CosName.FILTER);
if (filterObject == null)
{
return new IFilter[0];
}
switch (filterObject)
{
case COSArray filters:
// TODO: presumably this may be invalid...
return filters.Select(x => GetFilterStrict(((CosName) x).Name)).ToList();
case CosName name:
return new[] {GetFilterStrict(name.Name)};
default:
throw new InvalidOperationException("The filter for a stream may be either a string or an array, instead this Pdf has: "
+ filterObject.GetType());
}
}
private IFilter GetFilterStrict(string name)
{
if (!filterFactories.TryGetValue(name, out var factory))

7
src/UglyToad.PdfPig/Fonts/Parser/Handlers/Type1FontHandler.cs
View File

@@ -1,7 +1,6 @@
namespace UglyToad.PdfPig.Fonts.Parser.Handlers
{
using Cmap;
using ContentStream;
using Encodings;
using Exceptions;
using Filters;
@@ -109,10 +108,8 @@
{
return null;
}
var raw = new PdfRawStream(stream);
var bytes = raw.Decode(filterProvider);
var bytes = stream.Decode(filterProvider);
var font = type1FontParser.Parse(new ByteArrayInputBytes(bytes));

2
src/UglyToad.PdfPig/Graphics/ReflectionGraphicsStateOperationFactory.cs
View File

@@ -159,7 +159,7 @@ namespace UglyToad.PdfPig.Graphics
arguments.Add(array.ToArray());
}
else if (parameter.ParameterType == typeof(CosName))
else if (parameter.ParameterType == typeof(NameToken))
{
if (operands[offset] is NameToken name)
{

3
src/UglyToad.PdfPig/Parser/FileStructure/CrossReferenceParser.cs
View File

@@ -30,8 +30,7 @@
xrefCosChecker = new XrefCosOffsetChecker();
}
public CrossReferenceTable Parse(IRandomAccessRead reader, bool isLenientParsing, long xrefLocation,
CosObjectPool pool, IPdfTokenScanner pdfScanner, ISeekableTokenScanner tokenScanner)
public CrossReferenceTable Parse(IRandomAccessRead reader, bool isLenientParsing, long xrefLocation, IPdfTokenScanner pdfScanner, ISeekableTokenScanner tokenScanner)
{
long fixedOffset = offsetValidator.CheckXRefOffset(xrefLocation, tokenScanner, reader, isLenientParsing);
if (fixedOffset > -1)

6
src/UglyToad.PdfPig/Parser/ParsingCachingProviders.cs
View File

@@ -2,7 +2,6 @@
{
using System;
using Content;
using Cos;
using Parts;
/// <summary>
@@ -10,15 +9,12 @@
/// </summary>
internal class ParsingCachingProviders
{
public CosObjectPool ObjectPool { get; }
public BruteForceSearcher BruteForceSearcher { get; }
public IResourceStore ResourceContainer { get; }
public ParsingCachingProviders(CosObjectPool objectPool, BruteForceSearcher bruteForceSearcher, IResourceStore resourceContainer)
public ParsingCachingProviders(BruteForceSearcher bruteForceSearcher, IResourceStore resourceContainer)
{
ObjectPool = objectPool ?? throw new ArgumentNullException(nameof(objectPool));
BruteForceSearcher = bruteForceSearcher ?? throw new ArgumentNullException(nameof(bruteForceSearcher));
ResourceContainer = resourceContainer ?? throw new ArgumentNullException(nameof(resourceContainer));
}

7
src/UglyToad.PdfPig/Parser/PdfDocumentFactory.cs
View File

@@ -56,13 +56,12 @@
var log = container.Get<ILog>();
var filterProvider = container.Get<IFilterProvider>();
var bruteForceSearcher = new BruteForceSearcher(reader);
var pool = new CosObjectPool();
CrossReferenceTable crossReferenceTable = null;
// We're ok with this since our intent is to lazily load the cross reference table.
// ReSharper disable once AccessToModifiedClosure
var locationProvider = new ObjectLocationProvider(() => crossReferenceTable, pool, bruteForceSearcher);
var locationProvider = new ObjectLocationProvider(() => crossReferenceTable, bruteForceSearcher);
var pdfScanner = new PdfTokenScanner(inputBytes, locationProvider, filterProvider);
var xrefValidator = new XrefOffsetValidator(log);
@@ -79,7 +78,7 @@
crossReferenceOffset = validator.Validate(crossReferenceOffset, scanner, reader, isLenientParsing);
crossReferenceTable = crossReferenceParser.Parse(reader, isLenientParsing, crossReferenceOffset, pool, pdfScanner, scanner);
crossReferenceTable = crossReferenceParser.Parse(reader, isLenientParsing, crossReferenceOffset, pdfScanner, scanner);
var trueTypeFontParser = new TrueTypeFontParser();
var fontDescriptorFactory = new FontDescriptorFactory();
@@ -108,7 +107,7 @@
var catalog = catalogFactory.Create(rootDictionary, reader, isLenientParsing);
var caching = new ParsingCachingProviders(pool, bruteForceSearcher, resourceContainer);
var caching = new ParsingCachingProviders(bruteForceSearcher, resourceContainer);
return new PdfDocument(log, reader, version, crossReferenceTable, isLenientParsing, caching, pageFactory, catalog, information,
pdfScanner);

4
src/UglyToad.PdfPig/Tokenization/Scanner/IObjectLocationProvider.cs
View File

@@ -26,7 +26,6 @@
/// Since we want to scan objects while reading the cross reference table we lazily load it when it's ready.
/// </summary>
private readonly Func<CrossReferenceTable> crossReferenceTable;
private readonly CosObjectPool pool;
private readonly BruteForceSearcher searcher;
/// <summary>
@@ -36,10 +35,9 @@
private readonly Dictionary<IndirectReference, long> offsets = new Dictionary<IndirectReference, long>();
public ObjectLocationProvider(Func<CrossReferenceTable> crossReferenceTable, CosObjectPool pool, BruteForceSearcher searcher)
public ObjectLocationProvider(Func<CrossReferenceTable> crossReferenceTable, BruteForceSearcher searcher)
{
this.crossReferenceTable = crossReferenceTable;
this.pool = pool;
this.searcher = searcher;
}