private unsafe bool CompareStringEqualsName(string name)
{
int length = this._store.Read7BitEncodedInt();
if (length < 0)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_NegativeStringLength"));
}
if (this._ums != null)
{
byte *positionPointer = this._ums.PositionPointer;
this._ums.Seek((long)length, SeekOrigin.Current);
if (this._ums.Position > this._ums.Length)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ResourcesNameTooLong"));
}
int byteLen = length;
string b = name;
return(FastResourceComparer.CompareOrdinal(positionPointer, byteLen, b) == 0);
}
byte[] numArray = new byte[length];
int count = length;
while (count > 0)
{
int num = this._store.Read(numArray, length - count, count);
if (num == 0)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ResourceNameCorrupted"));
}
count -= num;
}
return(FastResourceComparer.CompareOrdinal(numArray, length / 2, name) == 0);
}
private unsafe bool CompareStringEqualsName(string name)
{
int num3;
int byteLen = this._store.Read7BitEncodedInt();
if (byteLen < 0)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_NegativeStringLength"));
}
if (this._ums != null)
{
byte *positionPointer = this._ums.PositionPointer;
this._ums.Seek((long)byteLen, SeekOrigin.Current);
if (this._ums.Position > this._ums.Length)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ResourcesNameTooLong"));
}
return(FastResourceComparer.CompareOrdinal(positionPointer, byteLen, name) == 0);
}
byte[] buffer = new byte[byteLen];
for (int i = byteLen; i > 0; i -= num3)
{
num3 = this._store.Read(buffer, byteLen - i, i);
if (num3 == 0)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ResourceNameCorrupted"));
}
}
return(FastResourceComparer.CompareOrdinal(buffer, byteLen / 2, name) == 0);
}
// This compares the String in the .resources file at the current position
// with the string you pass in.
// Whoever calls this method should make sure that they take a lock
// so no one else can cause us to seek in the stream.
private unsafe bool CompareStringEqualsName(String name)
{
BCLDebug.Assert(_store != null, "ResourceReader is closed!");
//int byteLen = Read7BitEncodedInt(_store);
int byteLen = _store.Read7BitEncodedInt();
if (_ums != null)
{
//BCLDebug.Log("RESMGRFILEFORMAT", "CompareStringEqualsName using UnmanagedMemoryStream code path");
byte *bytes = _ums.PositionPointer;
// Skip over the data in the Stream, positioning ourselves right after it.
_ums.Seek(byteLen, SeekOrigin.Current);
if (_ums.Position > _ums.Length)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ResourcesNameTooLong"));
}
// On 64-bit machines, these char*'s may be misaligned. Use a
// byte-by-byte comparison instead.
//return FastResourceComparer.CompareOrdinal((char*)bytes, byteLen/2, name) == 0;
return(FastResourceComparer.CompareOrdinal(bytes, byteLen, name) == 0);
}
else
{
// This code needs to be fast
byte[] bytes = new byte[byteLen];
int numBytesToRead = byteLen;
while (numBytesToRead > 0)
{
int n = _store.Read(bytes, byteLen - numBytesToRead, numBytesToRead);
if (n == 0)
{
throw new BadImageFormatException(Environment.GetResourceString("BadImageFormat_ResourceNameCorrupted"));
}
numBytesToRead -= n;
}
return(FastResourceComparer.CompareOrdinal(bytes, byteLen / 2, name) == 0);
}
}
// This compares the String in the .resources file at the current position
// with the string you pass in.
// Whoever calls this method should make sure that they take a lock
// so no one else can cause us to seek in the stream.
private unsafe bool CompareStringEqualsName(String name)
{
BCLDebug.Assert(_store != null, "ResourceReader is closed!");
int byteLen = Read7BitEncodedInt(_store);
if (_ums != null)
{
//BCLDebug.Log("RESMGRFILEFORMAT", "CompareStringEqualsName using UnmanagedMemoryStream code path");
byte *bytes = _ums.GetBytePtr();
// Skip over the data in the Stream, positioning ourselves right after it.
_ums.Seek(byteLen, SeekOrigin.Current);
if (_ums.Position > _ums.Length)
{
throw new BadImageFormatException("Found a corrupted .resources file! Resource name extends past the end of the file!");
}
// On 64-bit machines, these char*'s may be misaligned. Use a
// byte-by-byte comparison instead.
//return FastResourceComparer.CompareOrdinal((char*)bytes, byteLen/2, name) == 0;
return(FastResourceComparer.CompareOrdinal(bytes, byteLen, name) == 0);
}
else
{
// @TODO Perf: Make this fast
byte[] bytes = new byte[byteLen];
int numBytesToRead = byteLen;
while (numBytesToRead > 0)
{
int n = _store.Read(bytes, byteLen - numBytesToRead, numBytesToRead);
if (n == 0)
{
throw new EndOfStreamException("oops. Hit EOF while trying to read a resource name from the name section.");
}
numBytesToRead -= n;
}
return(FastResourceComparer.CompareOrdinal(bytes, byteLen / 2, name) == 0);
}
}
public static int CompareOrdinal(byte[] bytes, int aCharLength, string b)
{
return(-FastResourceComparer.CompareOrdinal(b, bytes, aCharLength));
}
