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DocFormatReader - дешифрование + поддержка формата 95 года

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ElenaSubbotina
2016-06-26 17:37:17 +03:00
parent 0d261b8769
commit de899687bb
118 changed files with 3963 additions and 3492 deletions
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179
ASCOfficeDocFile/DocDocxConverter/PropertyExceptions.cpp
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@ -50,109 +50,108 @@ namespace DocFileFormat
/*========================================================================================================*/
PropertyExceptions::PropertyExceptions( const list<SinglePropertyModifier>& grpprl )
PropertyExceptions::PropertyExceptions( const std::list<SinglePropertyModifier>& grpprl )
{
this->grpprl = new list<SinglePropertyModifier>( grpprl );
this->grpprl = new std::list<SinglePropertyModifier>( grpprl );
}
/*========================================================================================================*/
PropertyExceptions::PropertyExceptions( unsigned char* bytes, int size ): grpprl(NULL)
{
this->grpprl = new std::list<SinglePropertyModifier>();
PropertyExceptions::PropertyExceptions( unsigned char* bytes, int size, bool oldVersion ): grpprl(NULL)
{
this->grpprl = new std::list<SinglePropertyModifier>();
if ( ( bytes != NULL ) && ( size != 0 ) )
{
//read the sprms
if ( ( bytes == NULL ) || ( size == 0 ) ) return;
//read the sprms
int sprmStart = 0;
bool goOn = true;
while ( goOn )
{
//enough bytes to read?
if ( ( sprmStart + 2 ) < size )
{
//make spra
OperationCode opCode = (OperationCode)FormatUtils::BytesToUInt16( bytes, sprmStart, size );
unsigned char spra = (unsigned char)( (int)opCode >> 13 );
int sprmStart = 0;
bool goOn = true;
// get size of operand
short opSize = (short)SinglePropertyModifier::GetOperandSize( spra );
unsigned char lenByte = 0;
while ( goOn )
{
//enough bytes to read?
if ( ( sprmStart + 2 ) < size )
{
//make spra
OperationCode opCode = (OperationCode)FormatUtils::BytesToUInt16( bytes, sprmStart, size );
unsigned char spra = (unsigned char)( (int)opCode >> 13 );
//operand has variable size
if ( opSize == 255 )
{
//some opCode need special treatment
switch ( opCode )
{
case sprmTDefTable:
case sprmTDefTable10:
{
//The opSize of the table definition is stored in 2 bytes instead of 1
lenByte = 2;
opSize = FormatUtils::BytesToInt16( bytes, ( sprmStart + 2 ), size );
//Word adds an additional unsigned char to the opSize to compensate the additional
//unsigned char needed for the length
opSize--;
// get size of operand
short opSize = (short)SinglePropertyModifier::GetOperandSize( spra );
unsigned char lenByte = 0;
//operand has variable size
if ( opSize == 255 )
{
//some opCode need special treatment
switch ( opCode )
{
case sprmTDefTable:
case sprmTDefTable10:
{
//The opSize of the table definition is stored in 2 bytes instead of 1
lenByte = 2;
opSize = FormatUtils::BytesToInt16( bytes, ( sprmStart + 2 ), size );
//Word adds an additional unsigned char to the opSize to compensate the additional
//unsigned char needed for the length
opSize--;
}
break;
case sprmPChgTabs:
{
//The tab operand can be bigger than 255 bytes (length unsigned char is set to 255).
//In this case a special calculation of the opSize is needed
lenByte = 1;
opSize = bytes[sprmStart + 2];
if ( opSize == 255 )
{
unsigned char itbdDelMax = bytes[sprmStart + 3];
unsigned char itbdAddMax = bytes[sprmStart + 3 + 2 * itbdDelMax];
opSize = (short)( ( itbdDelMax * 4 + itbdAddMax * 3 ) - 1 );
}
}
break;
default:
{ //The variable length stand in the unsigned char after the opcode
lenByte = 1;
opSize = bytes[sprmStart + 2];
}
break;
}
}
break;
case sprmPChgTabs:
{
//The tab operand can be bigger than 255 bytes (length unsigned char is set to 255).
//In this case a special calculation of the opSize is needed
lenByte = 1;
opSize = bytes[sprmStart + 2];
if ( opSize == 255 )
{
unsigned char itbdDelMax = bytes[sprmStart + 3];
unsigned char itbdAddMax = bytes[sprmStart + 3 + 2 * itbdDelMax];
opSize = (short)( ( itbdDelMax * 4 + itbdAddMax * 3 ) - 1 );
}
}
break;
default:
{ //The variable length stand in the unsigned char after the opcode
lenByte = 1;
opSize = bytes[sprmStart + 2];
}
break;
}
}
//copy sprm to array
//length is 2byte for the opCode, lenByte for the length, opSize for the length of the operand
int sprmBytesSize = 2 + lenByte + opSize;
unsigned char* sprmBytes = NULL;
sprmBytes = new unsigned char[sprmBytesSize];
//copy sprm to array
//length is 2byte for the opCode, lenByte for the length, opSize for the length of the operand
int sprmBytesSize = 2 + lenByte + opSize;
unsigned char* sprmBytes = NULL;
sprmBytes = new unsigned char[sprmBytesSize];
if ( size >= ( sprmStart + sprmBytesSize ) )
{
memcpy( sprmBytes, ( bytes + sprmStart ), sprmBytesSize );
if ( size >= ( sprmStart + sprmBytesSize ) )
{
memcpy( sprmBytes, ( bytes + sprmStart ), sprmBytesSize );
//parse
SinglePropertyModifier sprm( sprmBytes, sprmBytesSize );
grpprl->push_back( sprm );
//parse
SinglePropertyModifier sprm( sprmBytes, sprmBytesSize );
grpprl->push_back( sprm );
sprmStart += sprmBytesSize;
}
else
{
goOn = false;
}
sprmStart += sprmBytesSize;
}
else
{
goOn = false;
}
RELEASEARRAYOBJECTS( sprmBytes );
}
else
{
goOn = false;
}
}
}
}
RELEASEARRAYOBJECTS( sprmBytes );
}
else
{
goOn = false;
}
}
}
}