LinkLayerParser::State LinkLayerParser::ParseOneStep()
{
switch (state)
{
case(State::FindSync) :
return ParseSync();
case(State::ReadHeader) :
return ParseHeader();
case(State::ReadBody) :
return ParseBody();
default:
return state;
}
}
bool QDataProtocol::ParsePackageData( QByteArray& byPackageData, QString& strInfo )
{
byBuffer.setBuffer( &byPackageData );
QByteArray byData;
bool bRet = byBuffer.open( QIODevice::ReadOnly );
if( !bRet ) {
goto ERROR_PROCESS;
}
bRet = byBuffer.reset( );
if( !bRet ) {
goto ERROR_PROCESS;
}
byData = byBuffer.read( byDataToken.length( ) );
if ( byData.isEmpty( ) ) {
bRet = false;
goto ERROR_PROCESS;
}
bRet = ParseCommonHeader( byBuffer, byData );
if( !bRet ) {
goto ERROR_PROCESS;
}
bRet = ParseAuxHeader( byBuffer, byData );
if( !bRet ) {
goto ERROR_PROCESS;
}
bRet = ParseBody( byBuffer, byData );
ERROR_PROCESS:
if( !bRet ) {
strInfo = byBuffer.errorString( );
}
byBuffer.close( );
return bRet;
}
// -----------------------------------------------------------------------------
// CUpnpHttpChunkParser::Parse
// Decoding the chunked-encoded buffer
// -----------------------------------------------------------------------------
//
TInt CUpnpHttpChunkParser::Parse(TDes8& aBuffer, TInt& aPos)
{
TBool interrupt = EFalse;
while(!interrupt)
{
switch(iContext)
{
case EUnknown:
iContext = EHeader;
break;
case EHeader:
interrupt = ParseHeader(aBuffer,aPos);
break;
case ELastChunk:
interrupt = ParseLastChunk(aBuffer,aPos);
break;
case EBody:
interrupt = ParseBody(aBuffer,aPos);
break;
case EEndChunkBody:
iContext = EHeader;
break;
case EExtension:
interrupt = ParseExtension(aBuffer,aPos);
break;
case ETrailer:
interrupt = ParseTrailer(aBuffer,aPos);
break;
case EError:
return iError;
case EFinish:
return KErrNone;
default:
return KErrUnknown;
}
}
return KErrNone;
}
/*
================
idDeclAF::Parse
================
*/
bool idDeclAF::Parse( const char *text, const int textLength ) {
int i, j;
idLexer src;
idToken token;
src.LoadMemory( text, textLength, GetFileName(), GetLineNum() );
src.SetFlags( DECL_LEXER_FLAGS );
src.SkipUntilString( "{" );
while( src.ReadToken( &token ) ) {
if ( !token.Icmp( "settings" ) ) {
if ( !ParseSettings( src ) ) {
return false;
}
} else if ( !token.Icmp( "body" ) ) {
if ( !ParseBody( src ) ) {
return false;
}
} else if ( !token.Icmp( "fixed" ) ) {
if ( !ParseFixed( src ) ) {
return false;
}
} else if ( !token.Icmp( "ballAndSocketJoint" ) ) {
if ( !ParseBallAndSocketJoint( src ) ) {
return false;
}
} else if ( !token.Icmp( "universalJoint" ) ) {
if ( !ParseUniversalJoint( src ) ) {
return false;
}
} else if ( !token.Icmp( "hinge" ) ) {
if ( !ParseHinge( src ) ) {
return false;
}
} else if ( !token.Icmp( "slider" ) ) {
if ( !ParseSlider( src ) ) {
return false;
}
} else if ( !token.Icmp( "spring" ) ) {
if ( !ParseSpring( src ) ) {
return false;
}
} else if ( token == "}" ) {
break;
} else {
src.Error( "unknown keyword %s", token.c_str() );
return false;
}
}
for ( i = 0; i < bodies.Num(); i++ ) {
// check for multiple bodies with the same name
for ( j = i+1; j < bodies.Num(); j++ ) {
if ( bodies[i]->name == bodies[j]->name ) {
src.Error( "two bodies with the same name \"%s\"", bodies[i]->name.c_str() );
}
}
}
for ( i = 0; i < constraints.Num(); i++ ) {
// check for multiple constraints with the same name
for ( j = i+1; j < constraints.Num(); j++ ) {
if ( constraints[i]->name == constraints[j]->name ) {
src.Error( "two constraints with the same name \"%s\"", constraints[i]->name.c_str() );
}
}
// check if there are two valid bodies set
if ( constraints[i]->body1 == "" ) {
src.Error( "no valid body1 specified for constraint '%s'", constraints[i]->name.c_str() );
}
if ( constraints[i]->body2 == "" ) {
src.Error( "no valid body2 specified for constraint '%s'", constraints[i]->name.c_str() );
}
}
// make sure the body which modifies the origin comes first
for ( i = 0; i < bodies.Num(); i++ ) {
if ( bodies[i]->jointName == "origin" ) {
if ( i != 0 ) {
idDeclAF_Body *b = bodies[0];
bodies[0] = bodies[i];
bodies[i] = b;
}
break;
}
}
return true;
}
void CIffIlbm::OnChunk(CIffChunk *pChunk, CMemoryMappedFile &pFile)
{
// "raw" data of the chunk,
// locate by offset
uint8_t *pChunkData = CIffContainer::GetViewByOffset(pChunk->m_iOffset, pFile);
// suitable handling for chunk data..
if (pChunk->m_iChunkID == MakeTag("BMHD"))
{
// BMHD bitmap header chunk:
// should be first in file (according to spec)
// and needed by later processing of data
ParseBitmapHeader(pChunkData, pChunk);
}
else if (pChunk->m_iChunkID == MakeTag("CMAP"))
{
// CMAP color map chunk
m_lCmapCount = (pChunk->m_iChunkSize/sizeof(ColorRegister));
m_pCmap = new ColorRegister[m_lCmapCount];
// bytes only, copy as-is: no need for byteswap
::memcpy(m_pCmap, pChunkData, m_lCmapCount*sizeof(ColorRegister));
}
else if (pChunk->m_iChunkID == MakeTag("GRAB"))
{
// GRAB "hotspot" position (optional)
// (e.g. brush center)
Point2D *pPt = (Point2D*)pChunkData;
m_Pt2d.x = Swap2(pPt->x);
m_Pt2d.y = Swap2(pPt->y);
}
else if (pChunk->m_iChunkID == MakeTag("DEST"))
{
// DEST (optional)
DestMerge *pDst = (DestMerge*)pChunkData;
m_DestMerge.depth = pDst->depth;
m_DestMerge.pad1 = pDst->pad1; // padding, not necessary
m_DestMerge.planePick = Swap2(pDst->planePick);
m_DestMerge.planeOnOff = Swap2(pDst->planeOnOff);
m_DestMerge.planeMask = Swap2(pDst->planeMask);
}
else if (pChunk->m_iChunkID == MakeTag("CRNG"))
{
// CRNG (optional), "nonstandard"
// used by e.g. EA Deluxe Paint
CRange *pRange = (CRange*)pChunkData;
m_Range.pad1 = Swap2(pRange->pad1); // padding, not necessary
m_Range.rate = Swap2(pRange->rate);
m_Range.active = Swap2(pRange->active);
m_Range.low = pRange->low;
m_Range.high = pRange->high;
}
else if (pChunk->m_iChunkID == MakeTag("CCRT"))
{
// CCRT (optional)
// (Color Cycling Range and Timing)
CycleInfo *pCcrt = (CycleInfo*)pChunkData;
m_CycleInfo.direction = Swap2(pCcrt->direction);
m_CycleInfo.start = pCcrt->start;
m_CycleInfo.end = pCcrt->end;
m_CycleInfo.seconds = Swap4(pCcrt->seconds);
m_CycleInfo.microseconds = Swap4(pCcrt->microseconds);
m_CycleInfo.pad = Swap2(pCcrt->pad); // padding, not necessary
}
else if (pChunk->m_iChunkID == MakeTag("SPRT"))
{
// SPRT (optional),
// when image intended as a sprite:
// "Z"-plane order of sprite (0 foremost)
m_SpriteOrder = Swap2((*(SpritePrecedence*)pChunkData));
}
else if (pChunk->m_iChunkID == MakeTag("CAMG"))
{
// CAMG (optional),
// Amiga "viewport mode"
// e.g. "dual playfield", "hold and modify"
m_lViewPortMode = Swap4((*((LONG*)pChunkData)));
}
else if (pChunk->m_iChunkID == MakeTag("BODY"))
{
// BODY raster body chunk
// content is concatenation of scan lines
ParseBody(pChunkData, pChunk);
}
}