private static unsafe Status EntryFixup(Entry entry, EntryBuffer* bufferPtr, byte[] buffer)
{
bufferPtr._OffsetExtension = (bufferPtr._OffsetExtension == IntPtr.Zero) ? IntPtr.Zero : ((IntPtr) ((long) ((((void*) bufferPtr._OffsetExtension) - bufferPtr) / 1)));
bufferPtr._OffsetFileName = (bufferPtr._OffsetFileName == IntPtr.Zero) ? IntPtr.Zero : ((IntPtr) ((long) ((((void*) bufferPtr._OffsetFileName) - bufferPtr) / 1)));
bufferPtr._OffsetHeaderInfo = (bufferPtr._OffsetHeaderInfo == IntPtr.Zero) ? IntPtr.Zero : ((IntPtr) ((long) ((((void*) bufferPtr._OffsetHeaderInfo) - bufferPtr) / 1)));
bufferPtr._OffsetSourceUrlName = (bufferPtr._OffsetSourceUrlName == IntPtr.Zero) ? IntPtr.Zero : ((IntPtr) ((long) ((((void*) bufferPtr._OffsetSourceUrlName) - bufferPtr) / 1)));
entry.Info = bufferPtr[0];
entry.OriginalUrl = GetEntryBufferString((void*) bufferPtr, (int) bufferPtr._OffsetSourceUrlName);
entry.Filename = GetEntryBufferString((void*) bufferPtr, (int) bufferPtr._OffsetFileName);
entry.FileExt = GetEntryBufferString((void*) bufferPtr, (int) bufferPtr._OffsetExtension);
return GetEntryHeaders(entry, bufferPtr, buffer);
}
private static unsafe Status GetEntryHeaders(Entry entry, EntryBuffer* bufferPtr, byte[] buffer)
{
entry.Error = Status.Success;
entry.MetaInfo = null;
if (((bufferPtr._OffsetHeaderInfo == IntPtr.Zero) || (bufferPtr.HeaderInfoChars == 0)) || ((bufferPtr.EntryType & EntryType.UrlHistory) != 0))
{
return Status.Success;
}
int num = bufferPtr.HeaderInfoChars + (((int) bufferPtr._OffsetHeaderInfo) / 2);
if ((num * 2) > entry.MaxBufferBytes)
{
num = entry.MaxBufferBytes / 2;
}
while (*(((ushort*) (bufferPtr + ((num - 1) * 2)))) == 0)
{
num--;
}
entry.MetaInfo = Encoding.Unicode.GetString(buffer, (int) bufferPtr._OffsetHeaderInfo, (num - (((int) bufferPtr._OffsetHeaderInfo) / 2)) * 2);
return entry.Error;
}
//
// Does the fixup of the returned buffer by converting internal pointer to offsets
// it also does copying of non-string values from unmanaged buffer to Entry.Buffer members
//
unsafe private static Status EntryFixup(Entry entry, EntryBuffer* bufferPtr, byte[] buffer) {
unchecked {
bufferPtr->_OffsetExtension = bufferPtr->_OffsetExtension == IntPtr.Zero? IntPtr.Zero: (IntPtr)((byte*)bufferPtr->_OffsetExtension - (byte*)bufferPtr);
bufferPtr->_OffsetFileName = bufferPtr->_OffsetFileName == IntPtr.Zero? IntPtr.Zero: (IntPtr)((byte*)bufferPtr->_OffsetFileName - (byte*)bufferPtr);
bufferPtr->_OffsetHeaderInfo = bufferPtr->_OffsetHeaderInfo == IntPtr.Zero? IntPtr.Zero: (IntPtr)((byte*)bufferPtr->_OffsetHeaderInfo - (byte*)bufferPtr);
bufferPtr->_OffsetSourceUrlName = bufferPtr->_OffsetSourceUrlName == IntPtr.Zero? IntPtr.Zero: (IntPtr)((byte*)bufferPtr->_OffsetSourceUrlName - (byte*)bufferPtr);
// Get a managed EntryBuffer copy out of byte[]
entry.Info = *bufferPtr;
entry.OriginalUrl = GetEntryBufferString(bufferPtr, (int)(bufferPtr->_OffsetSourceUrlName));
entry.Filename = GetEntryBufferString(bufferPtr, (int)(bufferPtr->_OffsetFileName));
entry.FileExt = GetEntryBufferString(bufferPtr, (int)(bufferPtr->_OffsetExtension));
}
return GetEntryHeaders(entry, bufferPtr, buffer);
}
//
// Gets the headers and optionally other meta data out of a cached entry
//
// Whenever an empty line found in the buffer, the resulting array of
// collections will grow in size
//
private static unsafe Status GetEntryHeaders(Entry entry, EntryBuffer* bufferPtr, byte[] buffer) {
entry.Error = Status.Success;
entry.MetaInfo = null;
//
if (bufferPtr->_OffsetHeaderInfo == IntPtr.Zero || bufferPtr->HeaderInfoChars == 0 || (bufferPtr->EntryType & EntryType.UrlHistory) != 0) {
return Status.Success;
}
int bufferCharLength = bufferPtr->HeaderInfoChars + ((int)(bufferPtr->_OffsetHeaderInfo))/c_CharSz;
if (bufferCharLength*c_CharSz > entry.MaxBufferBytes) {
// WinInet bug? They may report offset+HeaderInfoChars as a greater value than MaxBufferBytes as total buffer size.
// Actually, the last one seems to be accurate based on the data we have provided for Commit.
bufferCharLength = entry.MaxBufferBytes/c_CharSz;
}
//WinInet may put terminating nulls at the end of the buffer, remove them.
while (((char*)bufferPtr)[bufferCharLength-1] == 0)
{--bufferCharLength;}
entry.MetaInfo = Encoding.Unicode.GetString(buffer, (int)bufferPtr->_OffsetHeaderInfo, (bufferCharLength-(int)bufferPtr->_OffsetHeaderInfo/2)*2);
return entry.Error;
}
//
// Gets the headers and optionally other meta data out of a cached entry
//
// Whenever an empty line found in the buffer, the resulting array of
// collections will grow in size
//
private static unsafe Status GetEntryHeaders(Entry entry, EntryBuffer* bufferPtr, byte[] buffer) {
entry.Error = Status.Success;
entry.MetaInfo = null;
//
if (bufferPtr->_OffsetHeaderInfo == IntPtr.Zero || bufferPtr->HeaderInfoChars == 0 || (bufferPtr->EntryType & EntryType.UrlHistory) != 0) {
return Status.Success;
}
int bufferCharLength = bufferPtr->HeaderInfoChars + ((int)(bufferPtr->_OffsetHeaderInfo))/c_CharSz;
if (bufferCharLength*c_CharSz > entry.MaxBufferBytes) {
// WinInet
bufferCharLength = entry.MaxBufferBytes/c_CharSz;
}
//WinInet may put terminating nulls at the end of the buffer, remove them.
while (((char*)bufferPtr)[bufferCharLength-1] == 0)
{--bufferCharLength;}
entry.MetaInfo = Encoding.Unicode.GetString(buffer, (int)bufferPtr->_OffsetHeaderInfo, (bufferCharLength-(int)bufferPtr->_OffsetHeaderInfo/2)*2);
return entry.Error;
}
