C++ BinaryFile类代码示例

Loader::LoaderVersion Loader::checkFile(std::string f) {
    BinaryFile file;
    if (file.open(f.c_str()) != 0)
        return TR_UNKNOWN;

    uint32_t start = file.readU32();
    switch (start) {
        case 0x00000020:
            return TR_1;

        case 0x0000002D:
            return TR_2;

        case 0xFF080038:
        case 0xFF180038:
            return TR_3;

        case 0xFFFFFFF0: // bogus
        case 0x00345254: // "TR4\0"
            return TR_4;
    }

    Log::get(LOG_ERROR) << "Unknown TR level version: \"" << start << "\"" << Log::endl;

    return TR_UNKNOWN;
}

bool SavedFile::ValidateFile(BinaryFile& file, unsigned int signature_length, const char* signature, unsigned short version)
{
    char read_signature[32];

    file.ReadRawData(read_signature, signature_length);

    // Signatur überprüfen
    if(memcmp(read_signature, signature, signature_length) != 0)
    {
        // unterscheiden sich! --> raus
        LOG.lprintf("Error: File is not in a valid format! File path: %s\n", file.getFilePath().c_str());
        return false;
    }

    // Programmversion überspringen
    file.Seek(8, SEEK_CUR);

    // Version überprüfen
    unsigned short read_version = file.ReadUnsignedShort();
    if(read_version != version)
    {
        // anderes Dateiformat --> raus
        LOG.lprintf("Warning: File has an old version and cannot be used (version: %u; expected: %u, file path: %s)!\n", read_version, version, file.getFilePath().c_str());
        return false;
    }

    return true;
}

void MapReader1700::read_platforms(CMap& map, BinaryFile& mapfile, bool fPreview)
{
    map.clearPlatforms();

    //Load moving platforms
    map.iNumPlatforms = (short)mapfile.read_i32();
    map.platforms = new MovingPlatform*[map.iNumPlatforms];

    for (short iPlatform = 0; iPlatform < map.iNumPlatforms; iPlatform++) {
        short iWidth = (short)mapfile.read_i32();
        short iHeight = (short)mapfile.read_i32();

        TilesetTile ** tiles = new TilesetTile*[iWidth];
        MapTile ** types = new MapTile*[iWidth];

        read_platform_tiles(map, mapfile, iWidth, iHeight, tiles, types);

        short iDrawLayer = 2;
        //printf("Layer: %d\n", iDrawLayer);

        short iPathType = 0;
        //printf("PathType: %d\n", iPathType);

        MovingPlatformPath* path = NULL;
        path = read_platform_path_details(mapfile, iPathType, fPreview);
        if (!path)
            continue;

        MovingPlatform * platform = new MovingPlatform(tiles, types, iWidth, iHeight, iDrawLayer, path, fPreview);
        map.platforms[iPlatform] = platform;
        map.platformdrawlayer[iDrawLayer].push_back(platform);
    }
}

    void index(const tstring& sDir)
    {
        IndexWriterPtr pIndexWriter = m_pIndex->acquireWriter();

        DirectoryIterator di(sDir, false);
        while(di.hasNext())
        {
            const File& f = di.next();
            if(f.isFile())
            {
                BinaryFile bf;
                bf.open(f.getPath().c_str(), BinaryFile::READ);
                if(bf.isFileOpen())
                {
                    size_t nRead = (size_t)bf.getLength();
                    if (nRead > 0)
                    {
                        DocumentPtr pDoc = new Document(pIndexWriter->getDocSchema());
                        pDoc->addField(0, f.getPath().c_str());
                        char* buf = new char[nRead + 1];
                        bf.read(buf, nRead);
                        buf[nRead] = 0;
                        pDoc->addField(1, buf, nRead, false);
                        delete[] buf;
                        
                        pIndexWriter->addDocument(pDoc);
                    }
                }
            }
        }
        docPool.commit();
        pIndexWriter->close();
    }

ExpressionValue expFuncRead(const std::vector<ExpressionValue>& parameters)
{
	ExpressionValue result;
	T buffer;

	if (parameters[0].isString() == false || (parameters.size() >= 2 && parameters[1].isInt() == false))
	{
		Logger::queueError(Logger::Error,L"Invalid parameter");
		return result;
	}

	std::wstring fileName = getFullPathName(parameters[0].strValue);
	u64 pos = parameters.size() >= 2 ? parameters[1].intValue : 0;

	BinaryFile file;
	if (file.open(fileName,BinaryFile::Read) == false)
	{
		Logger::queueError(Logger::Error,L"Could not open %s",fileName);
		return result;
	}

	file.setPos((long)pos);

	if (file.read(&buffer,sizeof(T)) == sizeof(T))
	{
		result.type = ExpressionValueType::Integer;
		result.intValue = (u64) buffer;
	}

	return result;
}

BaseFile* FileInterface::OpenFile(const char* szFilename, EFileType eType, EFileFlags eFlags)
{
	switch(eType)
	{
	case BINARY_FILE:
		{
			BinaryFile* pFile = new BinaryFile;
			if(pFile)
			{
				GEN_RESULT res = pFile->Open(szFilename, eFlags);
				if(RESULT_OK == res)
				{
					return (BaseFile*)pFile;
				}
			}
		}
		break;
	case TEXT_FILE:
		{
			//TODO:
		}
		break;
	default:
		break;
	}

	return NULL;
}

void MapReader1700::read_warp_locations(CMap& map, BinaryFile& mapfile)
{
    for (unsigned short j = 0; j < MAPHEIGHT; j++) {
        for (unsigned short i = 0; i < MAPWIDTH; i++) {
            TileType iType = (TileType)mapfile.read_i32();

            if (iType >= 0 && iType < NUMTILETYPES) {
                map.mapdatatop[i][j].iType = iType;
                map.mapdatatop[i][j].iFlags = g_iTileTypeConversion[iType];
            } else {
                map.mapdatatop[i][j].iType = tile_nonsolid;
                map.mapdatatop[i][j].iFlags = tile_flag_nonsolid;
            }

            map.warpdata[i][j].direction = (WarpEnterDirection)mapfile.read_i32();
            map.warpdata[i][j].connection = (short)mapfile.read_i32();
            map.warpdata[i][j].id = (short)mapfile.read_i32();

            for (short sType = 0; sType < 6; sType += 5)
                map.nospawn[sType][i][j] = mapfile.read_i32() == 0 ? false : true;

            //Copy player no spawn areas into team no spawn areas
            for (short sType = 1; sType < 5; sType++)
                map.nospawn[sType][i][j] = map.nospawn[0][i][j];

        }
    }
}

/*==============================================================================
 * FUNCTION:        LoaderTest::testPentiumLoad
 * OVERVIEW:        Test loading the pentium (Solaris) hello world program
 *============================================================================*/
void LoaderTest::testPentiumLoad ()
{
    std::ostringstream ost;

    // Load Pentium hello world
    BinaryFileFactory bff;
    BinaryFile* pBF = bff.Load(HELLO_PENTIUM);
    CPPUNIT_ASSERT(pBF != NULL);
    int n;
    SectionInfo* si;
    n = pBF->GetNumSections();
    ost << "Number of sections = " << std::dec << n << "\r\n\t";
    si = pBF->GetSectionInfo(1);
    ost << si->pSectionName << "\t";
    si = pBF->GetSectionInfo(n-1);
    ost << si->pSectionName;
    pBF->UnLoad();
    // Note: the string below needs to have embedded tabs. Edit with caution!
    // (And slightly different string to the sparc test, e.g. rel vs rela)
    std::string expected("Number of sections = 34\r\n\t"
                         ".interp	.strtab");


    CPPUNIT_ASSERT_EQUAL(expected, ost.str());
    bff.UnLoad();
}

ExpressionValue expFuncRead(const std::wstring& funcName, const std::vector<ExpressionValue>& parameters)
{
	const std::wstring* fileName;
	u64 pos;

	GET_PARAM(parameters,0,fileName);
	GET_OPTIONAL_PARAM(parameters,1,pos,0);

	std::wstring fullName = getFullPathName(*fileName);

	BinaryFile file;
	if (file.open(fullName,BinaryFile::Read) == false)
	{
		Logger::queueError(Logger::Error,L"Could not open %s",fileName);
		return ExpressionValue();
	}

	file.setPos((long)pos);

	T buffer;
	if (file.read(&buffer,sizeof(T)) != sizeof(T))
		return ExpressionValue();

	return ExpressionValue((u64) buffer);
}

/*==============================================================================
 * FUNCTION:        LoaderTest::testPalmLoad
 * OVERVIEW:        Test loading the Palm 68328 Starter.prc program
 *============================================================================*/
void LoaderTest::testPalmLoad ()
{
    std::ostringstream ost;

    // Load Palm Starter.prc
    BinaryFileFactory bff;
    BinaryFile* pBF = bff.Load(STARTER_PALM);
    CPPUNIT_ASSERT(pBF != NULL);
    int n;
    SectionInfo* si;
    n = pBF->GetNumSections();
    ost << "Number of sections = " << std::dec << n << "\r\n";
    for (int i=0; i < n; i++)
        {
            si = pBF->GetSectionInfo(i);
            ost << si->pSectionName << "\t";
        }
    pBF->UnLoad();
    // Note: the string below needs to have embedded tabs. Edit with caution!
    std::string expected("Number of sections = 8\r\n"
                         "code1	MBAR1000	tFRM1000	Talt1001	"
                         "data0	code0	tAIN1000	tver1000	");
    CPPUNIT_ASSERT_EQUAL(expected, ost.str());
    bff.UnLoad();
}

void MapReader1800::read_tiles(CMap& map, BinaryFile& mapfile)
{
    //2. load map data

    unsigned short i, j, k;
    for (j = 0; j < MAPHEIGHT; j++) {
        for (i = 0; i < MAPWIDTH; i++) {
            for (k = 0; k < MAPLAYERS; k++) {
                TilesetTile * tile = &map.mapdata[i][j][k];
                tile->iID = mapfile.read_i8();
                tile->iCol = mapfile.read_i8();
                tile->iRow = mapfile.read_i8();

                if (tile->iID >= 0) {
                    if (tile->iID > iMaxTilesetID)
                        tile->iID = 0;

                    //Make sure the column and row we read in is within the bounds of the tileset
                    if (tile->iCol < 0 || tile->iCol >= tilesetwidths[tile->iID])
                        tile->iCol = 0;

                    if (tile->iRow < 0 || tile->iRow >= tilesetheights[tile->iID])
                        tile->iRow = 0;

                    //Convert tileset ids into the current game's tileset's ids
                    tile->iID = translationid[tile->iID];
                }
            }

            map.objectdata[i][j].iType = mapfile.read_i8();
            map.objectdata[i][j].fHidden = mapfile.read_bool();
        }
    }
}

/**
 *
 *  @author OLiver
 */
bool SavedFile::ValidateFile(BinaryFile& file, unsigned int signature_length, const char* signature, unsigned short version)
{
    char read_signature[32];

    file.ReadRawData(read_signature, signature_length);

    // Signatur überprüfen
    if(memcmp(read_signature, signature, signature_length))
    {
        // unterscheiden sich! --> raus
        LOG.lprintf("SavedFile::Load: ERROR: Not a valid file!\n");
        return false;
    }

    // Programmversion überspringen
    file.Seek(8, SEEK_CUR);

    // Version überprüfen
    unsigned short read_version = file.ReadUnsignedShort();
    if(read_version != version)
    {
        // anderes Dateiformat --> raus
        LOG.lprintf("SavedFile::Load: ERROR: Old file version (version: %u; expected: %u)!\n", read_version, version);
        return false;
    }

    return true;
}

/**
 *  schreibt die GlobalGameSettings in die Datei.
 *
 *  @author OLiver
 */
void SavedFile::WriteGGS(BinaryFile& file)
{
    Serializer ser;
    ggs.Serialize(&ser);

    file.WriteUnsignedInt(ser.GetLength());
    file.WriteRawData(ser.GetData(), ser.GetLength());
}

void XMLDocumentWrapper::printToFile(std::string& sFile)
{
    ostringstream os;
    print(os);
    BinaryFile bf;
    bf.open(sFile, BinaryFile::CREATE);
    bf.write(os.str().c_str(), os.str().length());
}

/**
 *  liest die GlobalGameSettings aus der Datei.
 *
 *  @author OLiver
 */
void SavedFile::ReadGGS(BinaryFile& file)
{
    unsigned length = file.ReadUnsignedInt();
    boost::interprocess::unique_ptr<unsigned char, Deleter<unsigned char[]> > buffer(new unsigned char[length]);

    file.ReadRawData(buffer.get(), length);
    Serializer ser(buffer.get(), length);

    ggs.Deserialize(ser);
}