private string ReadString(string label, out TextLineSections[] textList)
{
long pos = Position;
string val = _reader.ReadString();
int sizeInBytesOfString = (int)(Position - pos);
Position = pos;
// Can't use val.Length to compute number of bytes because multiple
// bytes might make one Unicode character.
// For Example: the bytes 03 E2 97 8f make one Unicode char (The
// Dot used in password boxes).
byte[] bytes = _reader.ReadBytes(sizeInBytesOfString);
if (sizeInBytesOfString <= LineLength)
{
string meaning = string.Format("{0}='{1}'", label, val);
textList = new TextLineSections[1];
textList[0] = new TextLineSections(pos, bytes, meaning);
}
else
{
TextLineSections[] textListCut = CutIntoLines(pos, bytes, val, label);
textList = new TextLineSections[textListCut.Length + 1];
Array.Copy(textListCut, textList, textListCut.Length);
textList[textListCut.Length] = new TextLineSections(pos, new byte[0], val);
}
return(val);
}
private short[] ReadIntArrayType(string label, out TextLineSections[] textList)
{
long pos = Position;
short arrayLength = (short)_reader.ReadInt16();
short[] array = new short[arrayLength];
for (int i = 0; i < array.Length; i++)
{
array[i] = (short)_reader.ReadInt16();
}
int sizeOfArray = (int)(Position - pos);
Position = pos;
textList = new TextLineSections[arrayLength + 1];
string meaning = string.Format("{0}={1}", label, array.Length);
byte[] subBytes = _reader.ReadBytes(2);
textList[0] = new TextLineSections(Position - 2, subBytes, meaning);
for (int i = 0; i < array.Length; i++)
{
meaning = string.Format("Assembly ID[{0}]={1}", i, array[i]);
subBytes = _reader.ReadBytes(2);
textList[i + 1] = new TextLineSections(Position - 2, subBytes, meaning);
}
return(array);
}
private void ReadFormatVersion(out TextLineSections[] text)
{
TextLineSections UnicodeLength;
TextLineSections[] Unicode;
TextLineSections Version1;
TextLineSections Version2;
TextLineSections Version3;
int strByteLength = (int)ReadIntType(4, "Unicode String Length(bytes)", out UnicodeLength);
ReadByteLengthPrefixedDWordPaddedUnicodeString(strByteLength, out Unicode);
ReadVersion("Reader Version", out Version1);
ReadVersion("Update Version", out Version2);
ReadVersion("Writer Version", out Version3);
text = new TextLineSections[4 + Unicode.Length];
text[0] = UnicodeLength;
for (int i = 0; i < Unicode.Length; i++)
{
text[1 + i] = Unicode[i];
}
text[1 + Unicode.Length] = Version1;
text[2 + Unicode.Length] = Version2;
text[3 + Unicode.Length] = Version3;
return;
}
private bool ReadBool(string label, out TextLineSections text)
{
long pos = Position;
bool val = _reader.ReadBoolean();
Position = pos;
byte[] bytes = _reader.ReadBytes(1);
string meaning = string.Format("{0}={1}", label, val.ToString());
text = new TextLineSections(pos, bytes, meaning);
return(val);
}
private int Read7bitEncodedInt(string label, out TextLineSections text)
{
long pos = Position;
int val = _reader.Read7BitEncodedInt();
int sizeOfEncoding = (int)(Position - pos);
Position = pos;
byte[] bytes = _reader.ReadBytes(sizeOfEncoding);
string meaning = string.Format("{0}={1}", label, val.ToString());
text = new TextLineSections(pos, bytes, meaning);
return(val);
}
private BamlRecordType ReadRecordType(out TextLineSections text)
{
long pos = Position;
int recordId = _reader.ReadByte();
Position = pos;
BamlRecordType val = (BamlRecordType)recordId;
string meaning = string.Format("{0} [BamlRecord]", val.ToString());
byte[] bytes = _reader.ReadBytes(1);
text = new TextLineSections(pos, bytes, meaning);
return(val);
}
private void ReadVersion(string label, out TextLineSections text)
{
short val1;
short val2;
long pos = Position;
val1 = _reader.ReadInt16();
val2 = _reader.ReadInt16();
Position = pos;
byte[] bytes = _reader.ReadBytes(4);
string meaning = string.Format("{0}={1}.{2}", label, val1.ToString(), val2.ToString());
text = new TextLineSections(pos, bytes, meaning);
}
private object ReadField(BamlField field, out TextLineSections[] textList)
{
TextLineSections text = new TextLineSections("Err", "Err", "Err");
object val = null;
Type t = field.ClrType;
textList = null;
if (t == typeof(short))
{
val = (Int16)ReadIntType(2, field.Name, out text);
}
else if (t == typeof(int))
{
val = (Int32)ReadIntType(4, field.Name, out text);
}
else if (t == typeof(string))
{
val = (string)ReadString(field.Name, out textList);
}
else if (t == typeof(bool))
{
val = (bool)ReadBool(field.Name, out text);
}
else if (t == typeof(byte))
{
val = (byte)ReadIntType(1, field.Name, out text);
}
else if (t == FormatVersionType)
{
ReadFormatVersion(out textList);
}
else if (t == typeof(Int16[]))
{
val = (Int16[])ReadIntArrayType(field.Name, out textList);
}
else
{
throw new InvalidOperationException("Field Type not known");
}
if (null == textList)
{
textList = new TextLineSections[1];
textList[0] = text;
}
return(val);
}
// OUTPUT methods.
private string OutputTextLine(TextLineSections text, TextType textType)
{
string outputLine = String.Empty;
if (ShowRecordNumbers)
{
string numString = String.Format("#{0:d3}: ", _recordNumber);
if (textType == TextType.Record)
{
outputLine += numString;
}
else
{
outputLine += FormatPadToColumn(numString.Length, 0);
}
}
if (ShowAddresses)
{
outputLine += text.addrStr;
}
outputLine += string.Format(" {0}", text.hexStr);
int column = 0;
if (outputLine.Length < 40)
{
column = 40;
}
else
{
column = 60;
}
outputLine += this.FormatPadToColumn(column, outputLine.Length);
outputLine += text.meaningStr;
return(outputLine);
}
// Output a long block of bytes possibly over several lines.
// If "label" is non-null then there is a header line of output.
// If "val" is non-null then the byte block has a parallel "string" version.
private TextLineSections[] CutIntoLines(long position, byte[] bytes, string val, string label)
{
TextLineSections[] textList;
bool hasLabel = (label != null && label.Length > 0);
bool hasString = (val != null && val.Length > 0);
// Output the first "header" line.
// If there is a Lable then the header line is the string length
// and label text.
// If there is a Lable but no string, then the bytes is not a string
// is the just a blob of bytes.
int headerOffset = 0;
int currentLine = 0;
if (!hasLabel)
{
int lineCount = (bytes.Length + LineLength - 1) / LineLength;
textList = new TextLineSections[lineCount];
}
else
{
int sizeOfHeader = 0;
byte[] headerBytes = null;
TextLineSections labelLine;
if (!hasString)
{
sizeOfHeader = (bytes.Length > LineLength) ? LineLength : bytes.Length;
headerBytes = SnipBytes(bytes, 0, LineLength);
labelLine = new TextLineSections(position, headerBytes, label);
headerOffset = sizeOfHeader;
}
else
{
sizeOfHeader = ComputeLengthOf7bitEncodedLengthPrefix(bytes.Length);
headerBytes = SnipBytes(bytes, 0, sizeOfHeader);
int stringLength = val.Length;
string meaning = string.Format("{0}= string of length {1}({2})", label, stringLength.ToString("x2"), stringLength);
labelLine = new TextLineSections(position, headerBytes, meaning);
headerOffset = sizeOfHeader;
}
int lineCount = 1 + ((bytes.Length - sizeOfHeader) + LineLength - 1) / LineLength;
textList = new TextLineSections[lineCount];
textList[currentLine++] = labelLine;
}
// Output the middle "full length lines"
int byteOffset = 0;
int valOffset = 0;
for (valOffset = 0; (byteOffset = valOffset + headerOffset) < bytes.Length - LineLength; valOffset += LineLength)
{
byte[] subBytes = SnipBytes(bytes, byteOffset, LineLength);
string subText = "";
if (hasString)
{ // The unicode string may run short early.
int remainingVal = val.Length - valOffset;
if (remainingVal > 0)
{
int subValLen = (remainingVal < LineLength) ? remainingVal : LineLength;
char[] subChars = val.ToCharArray(valOffset, subValLen);
subText = new string(subChars);
}
}
// March 2010: removed the subStrings at the ends of the lines.
textList[currentLine++] = new TextLineSections(position + byteOffset, subBytes, /*subText*/ String.Empty);
}
// output the last line.
int remaining = bytes.Length - byteOffset;
if (remaining > 0)
{
byte[] subBytes = SnipBytes(bytes, byteOffset, remaining);
string subText = "";
if (hasString)
{
int remainingVal = val.Length - valOffset;
if (remainingVal > 0)
{
char[] subChars = val.ToCharArray(valOffset, remainingVal);
subText = new string(subChars);
}
}
// March 2010: removed the subStrings at the ends of the lines.
textList[currentLine++] = new TextLineSections(position + byteOffset, subBytes, /*subText*/ String.Empty);
}
return(textList);
}
private long ReadIntType(int size, string label, out TextLineSections text)
{
long val = -1;
string meaning = "";
long pos = Position;
switch (size)
{
case 1:
val = (sbyte)_reader.ReadSByte();
break;
case 2:
val = (short)_reader.ReadInt16();
break;
case 4:
val = (int)_reader.ReadInt32();
break;
case 8:
val = (long)_reader.ReadInt64();
break;
default:
throw new InvalidOperationException("Bad integral datatype size");
}
Position = pos;
byte[] bytes = _reader.ReadBytes(size);
sbyte val8 = -1;
short val16 = -1;
int val32 = -1;
long val64 = -1;
string formatString = (0 <= val && val < 10) ? "{0}={1}" : "{0}={1}({2})";
switch (size)
{
case 1:
val8 = (sbyte)val;
meaning = string.Format(formatString, label, val8.ToString("x"), val8.ToString("d"));
break;
case 2:
val16 = (short)val;
meaning = string.Format(formatString, label, val16.ToString("x"), val16.ToString("d"));
break;
case 4:
val32 = (int)val;
meaning = string.Format(formatString, label, val32.ToString("x"), val32.ToString("d"));
break;
case 8:
val64 = (long)val;
meaning = string.Format(formatString, label, val64.ToString("x"), val64.ToString("d"));
break;
}
text = new TextLineSections(pos, bytes, meaning);
return(val);
}
