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DocFormatReader - дешифрование + поддержка формата 95 года

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This commit is contained in:
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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71
ASCOfficeDocFile/DocDocxConverter/VirtualStreamReader.h
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@ -33,21 +33,18 @@
#include "IBinaryReader.h"
#include "../Common/FormatUtils.h"
#include "../../Common/3dParty/pole/pole.h"
#include "../../Common/DocxFormat/Source/Base/Types_32.h"
class VirtualStreamReader : public IBinaryReader
{
public:
VirtualStreamReader (POLE::Stream* _stream, ULONG _position = 0) : stream(NULL), position(0)
VirtualStreamReader (POLE::Stream* _stream, ULONG _position , bool _olderVersion) :
olderVersion(_olderVersion), stream(_stream), position(_position)
{
stream = _stream;
position = _position;
if ( stream == NULL )return;
if ( stream != NULL )
{
stream->seek(position);
}
stream->seek(position);
}
virtual ~VirtualStreamReader()
@ -62,9 +59,8 @@ public:
{
stream->seek( position );
stream->read((unsigned char*)(&rdUShort), sizeof( rdUShort ));
position += sizeof( rdUShort );
}
position += sizeof( rdUShort );
return rdUShort;
}
@ -78,38 +74,38 @@ public:
stream->seek( position );
stream->read((unsigned char*)(&rdShort), sizeof( rdShort ));
position += sizeof( rdShort );
}
position += sizeof( rdShort );
return rdShort;
}
virtual int ReadInt32()
{
int rdInt = 0;
_INT32 rdInt = 0;
if (( stream != NULL ) && (position + 4 < stream->size()))
{
stream->seek( position );
stream->read( (unsigned char*) &rdInt, sizeof( rdInt ) );
position += sizeof( rdInt );
}
position += sizeof( rdInt );
return rdInt;
}
virtual unsigned int ReadUInt32()
{
int rdUInt = 0;
_UINT32 rdUInt = 0;
if (( stream != NULL ) && (position + 4 < stream->size()))
{
stream->seek( position );
stream->read((unsigned char*) &rdUInt, sizeof( rdUInt ) );
position += sizeof( rdUInt );
}
position += sizeof( rdUInt );
return rdUInt;
}
@ -123,8 +119,8 @@ public:
stream->seek( position);
stream->read( (unsigned char*)&rdByte, sizeof( rdByte ) );
position += sizeof( rdByte );
}
position += sizeof( rdByte );
return rdByte;
}
@ -133,8 +129,7 @@ public:
{
unsigned char *rdBytes = NULL;
if ( ( stream != NULL ) && ( count > 0 ) && isResultNeeded )
if ( count > 0 && isResultNeeded)
{
if (position + count > stream->size())
{
@ -142,19 +137,15 @@ public:
else count = stream->size() - position;
}
rdBytes = new unsigned char[count];
if ( rdBytes != NULL )
{
stream->seek( position );
stream->read( rdBytes, sizeof( unsigned char )*count );
position += sizeof( unsigned char )*count;
}
}
else
if ( stream != NULL && rdBytes != NULL )
{
position += sizeof( unsigned char )*count;
stream->seek( position );
stream->read( rdBytes, sizeof( unsigned char )*count );
}
position += sizeof( unsigned char )*count;
return rdBytes;
}
@ -205,7 +196,14 @@ public:
int xstzSize = FormatUtils::BytesToInt16( cch, 0, cchSize ) * 2;
unsigned char* xstz = ReadBytes(xstzSize, true);
FormatUtils::GetSTLCollectionFromBytes<wstring>( &wstrResult, xstz, xstzSize, ENCODING_UNICODE );
if (this->olderVersion)
{
FormatUtils::GetSTLCollectionFromBytes<std::wstring>( &wstrResult, xstz, xstzSize, ENCODING_WINDOWS_1250 );
}
else
{
FormatUtils::GetSTLCollectionFromBytes<std::wstring>( &wstrResult, xstz, xstzSize, ENCODING_UTF16 );
}
RELEASEARRAYOBJECTS(xstz);
RELEASEARRAYOBJECTS(cch);
@ -220,7 +218,7 @@ public:
/// unsigned char 5 - (cch*2)+4: Unicode characters terminated by \0
std::wstring ReadLengthPrefixedUnicodeString()
{
wstring result;
std::wstring result;
int cch = ReadInt32();
@ -229,7 +227,7 @@ public:
//dont read the terminating zero
unsigned char* stringBytes = ReadBytes( ( cch * 2 ), true );
FormatUtils::GetSTLCollectionFromBytes<wstring>( &result, stringBytes, ( ( cch * 2 ) - 2 ), ENCODING_UNICODE );
FormatUtils::GetSTLCollectionFromBytes<std::wstring>( &result, stringBytes, ( ( cch * 2 ) - 2 ), ENCODING_UTF16 );
RELEASEARRAYOBJECTS( stringBytes );
}
@ -243,7 +241,7 @@ public:
/// unsigned char 5-cch+4: ANSI characters terminated by \0
std::wstring ReadLengthPrefixedAnsiString()
{
wstring result;
std::wstring result;
int cch = this->ReadInt32();
@ -252,17 +250,16 @@ public:
//dont read the terminating zero
unsigned char* stringBytes = ReadBytes( cch, true );
FormatUtils::GetSTLCollectionFromBytes<wstring>( &result, stringBytes, ( cch - 1 ), ENCODING_WINDOWS_1251 );
FormatUtils::GetSTLCollectionFromBytes<std::wstring>( &result, stringBytes, ( cch - 1 ), ENCODING_WINDOWS_1250);
RELEASEARRAYOBJECTS( stringBytes );
}
return result;
}
bool olderVersion;
private:
POLE::uint64 position;
//std::streampos position;
POLE::Stream* stream;
POLE::uint64 position;
POLE::Stream* stream;
};