move and rename the pdf stream object

src/UglyToad.Pdf/Content/PageFactory.cs

@@ -77,7 +77,7 @@
             var contentObject = dictionary.GetItemOrDefault(CosName.CONTENTS) as CosObject;
             if (contentObject != null)
             {
-                var contentStream = pdfObjectParser.Parse(contentObject.ToIndirectReference(), reader, false) as RawCosStream;
+                var contentStream = pdfObjectParser.Parse(contentObject.ToIndirectReference(), reader, false) as PdfRawStream;
 
                 if (contentStream == null)
                 {

src/UglyToad.Pdf/ContentStream/PdfRawStream.cs

@@ -1,14 +1,14 @@
-namespace UglyToad.Pdf.Cos
+namespace UglyToad.Pdf.ContentStream
 {
     using System;
-    using ContentStream;
+    using Cos;
     using Filters;
 
-    internal class RawCosStream : CosBase
+    internal class PdfRawStream : CosBase
     {
         private static readonly object Lock = new object();
 
-        public readonly byte[] streamBytes;
+        private readonly byte[] streamBytes;
 
         private byte[] decodedBytes;
 
@@ -17,7 +17,7 @@
         /// <summary>
         /// Combines the dictionary for the stream with the raw, encoded/filtered bytes.
         /// </summary>
-        public RawCosStream(byte[] streamBytes, PdfDictionary streamDictionary)
+        public PdfRawStream(byte[] streamBytes, PdfDictionary streamDictionary)
         {
             this.streamBytes = streamBytes;
 

src/UglyToad.Pdf/Fonts/Parser/Handlers/Type0FontHandler.cs

@@ -58,7 +58,7 @@
             {
                 var toUnicodeValue = dictionary[CosName.TO_UNICODE];
 
-                var toUnicode = pdfObjectParser.Parse(((CosObject)toUnicodeValue).ToIndirectReference(), reader, isLenientParsing) as RawCosStream;
+                var toUnicode = pdfObjectParser.Parse(((CosObject)toUnicodeValue).ToIndirectReference(), reader, isLenientParsing) as PdfRawStream;
 
                 var decodedUnicodeCMap = toUnicode?.Decode(filterProvider);
 
@@ -123,7 +123,7 @@
 
                     isCMapPredefined = true;
                 }
-                else if (value is RawCosStream stream)
+                else if (value is PdfRawStream stream)
                 {
                     var decoded = stream.Decode(filterProvider);
 

src/UglyToad.Pdf/Fonts/Parser/Parts/CidFontFactory.cs

@@ -90,7 +90,7 @@
                 return;
             }
 
-            var fontFileStream = pdfObjectParser.Parse(descriptor.FontFile.ObjectKey, reader, isLenientParsing) as RawCosStream;
+            var fontFileStream = pdfObjectParser.Parse(descriptor.FontFile.ObjectKey, reader, isLenientParsing) as PdfRawStream;
 
             if (fontFileStream == null)
             {

src/UglyToad.Pdf/Parser/DynamicParser.cs

@@ -166,7 +166,7 @@
         {
             if (currentBase is PdfDictionary dictionary)
             {
-                RawCosStream stream = streamParser.Parse(reader, dictionary, isLenientParsing);
+                PdfRawStream stream = streamParser.Parse(reader, dictionary, isLenientParsing);
 
                 currentBase = stream;
             }
@@ -201,7 +201,7 @@
             var baseStream = Parse(reader, streamObjectNumber, 0, objectPool, crossReferenceTable, bruteForceSearcher,
                 isLenientParsing, true);
 
-            if (!(baseStream is RawCosStream stream))
+            if (!(baseStream is PdfRawStream stream))
             {
                 log.Warn($"Could not find a stream for the object number, defaults to returning CosNull: {streamObjectNumber}");
 

src/UglyToad.Pdf/Parser/IPdfObjectParser.cs

@@ -142,7 +142,7 @@
         {
             if (currentBase is PdfDictionary dictionary)
             {
-                RawCosStream stream = streamParser.Parse(reader, dictionary, isLenientParsing);
+                PdfRawStream stream = streamParser.Parse(reader, dictionary, isLenientParsing);
 
                 currentBase = stream;
             }
@@ -176,7 +176,7 @@
         {
             var baseStream = Parse(new IndirectReference(streamObjectNumber, 0), reader, isLenientParsing, true);
 
-            if (!(baseStream is RawCosStream stream))
+            if (!(baseStream is PdfRawStream stream))
             {
                 log.Warn($"Could not find a stream for the object number, defaults to returning CosNull: {streamObjectNumber}");
 

src/UglyToad.Pdf/Parser/ObjectStreamParser.cs

@@ -2,6 +2,7 @@
 {
     using System;
     using System.Collections.Generic;
+    using ContentStream;
     using ContentStream.TypedAccessors;
     using Cos;
     using Filters;
@@ -22,7 +23,7 @@
             this.baseParser = baseParser;
         }
 
-        public IReadOnlyList<CosObject> Parse(RawCosStream stream, CosObjectPool pool)
+        public IReadOnlyList<CosObject> Parse(PdfRawStream stream, CosObjectPool pool)
         {
             if (stream == null)
             {

src/UglyToad.Pdf/Parser/Parts/CosStreamParser.cs

@@ -32,9 +32,9 @@
             this.log = log;
         }
 
-        public RawCosStream Parse(IRandomAccessRead reader, PdfDictionary streamDictionary, bool isLenientParsing)
+        public PdfRawStream Parse(IRandomAccessRead reader, PdfDictionary streamDictionary, bool isLenientParsing)
         {
-            RawCosStream result;
+            PdfRawStream result;
 
             // read 'stream'; this was already tested in parseObjectsDynamically()
             ReadHelper.ReadExpectedString(reader, "stream");
@@ -59,7 +59,7 @@
                     ReadUntilEndStream(reader, writer);
                 }
 
-                result = new RawCosStream(stream.ToArray(), streamDictionary);
+                result = new PdfRawStream(stream.ToArray(), streamDictionary);
             }
 
             String endStream = ReadHelper.ReadString(reader);

src/UglyToad.Pdf/Parser/Parts/CrossReference/CrossReferenceStreamParser.cs

@@ -2,6 +2,7 @@
 {
     using System.Collections.Generic;
     using System.IO;
+    using ContentStream;
     using ContentStream.TypedAccessors;
     using Cos;
     using Filters;
@@ -18,15 +19,15 @@
         /// <summary>
         /// Parses through the unfiltered stream and populates the xrefTable HashMap.
         /// </summary>
-        public CrossReferenceTablePart Parse(long streamOffset, RawCosStream cosStream)
+        public CrossReferenceTablePart Parse(long streamOffset, PdfRawStream stream)
         {
-            var w = cosStream.Dictionary.GetDictionaryObject(CosName.W);
+            var w = stream.Dictionary.GetDictionaryObject(CosName.W);
             if (!(w is COSArray format))
             {
                 throw new IOException("/W array is missing in Xref stream");
             }
             
-            var objNums = GetObjectNumbers(cosStream);
+            var objNums = GetObjectNumbers(stream);
 
             /*
              * Calculating the size of the line in bytes
@@ -36,7 +37,7 @@
             int w2 = format.getInt(2);
             int lineSize = w0 + w1 + w2;
 
-            var decoded = cosStream.Decode(filterProvider);
+            var decoded = stream.Decode(filterProvider);
 
             var lineCount = decoded.Length / lineSize;
             var lineNumber = 0;
@@ -44,8 +45,8 @@
             var builder = new CrossReferenceTablePartBuilder
             {
                 Offset = streamOffset,
-                Previous = cosStream.Dictionary.GetLongOrDefault(CosName.PREV),
-                Dictionary = cosStream.Dictionary,
+                Previous = stream.Dictionary.GetLongOrDefault(CosName.PREV),
+                Dictionary = stream.Dictionary,
                 XRefType = CrossReferenceType.Stream
             };
 
@@ -141,16 +142,16 @@
             return builder.AsCrossReferenceTablePart();
         }
 
-        private static List<long> GetObjectNumbers(RawCosStream cosStream)
+        private static List<long> GetObjectNumbers(PdfRawStream stream)
         {
-            var indexArray = (COSArray) cosStream.Dictionary.GetDictionaryObject(CosName.INDEX);
+            var indexArray = (COSArray) stream.Dictionary.GetDictionaryObject(CosName.INDEX);
             
             // If Index doesn't exist, we will use the default values.
             if (indexArray == null)
             {
                 indexArray = new COSArray();
                 indexArray.add(CosInt.Zero);
-                indexArray.add(cosStream.Dictionary.GetDictionaryObject(CosName.SIZE));
+                indexArray.add(stream.Dictionary.GetDictionaryObject(CosName.SIZE));
             }
 
             List<long> objNums = new List<long>();

src/UglyToad.Pdf/Parser/Parts/CrossReference/FileCrossReferenceTableParser.cs

@@ -176,7 +176,7 @@
 
             PdfDictionary dict = dictionaryParser.Parse(reader, baseParser, pool);
 
-            RawCosStream xrefStream = streamParser.Parse(reader, dict, isLenientParsing);
+            PdfRawStream xrefStream = streamParser.Parse(reader, dict, isLenientParsing);
             CrossReferenceTablePart xrefTablePart = crossReferenceStreamParser.Parse(objByteOffset, xrefStream);
 
             return xrefTablePart;