ukui-search/libsearch/parser/binary-parser.h

#ifndef SEARCHHELPER_H
#define SEARCHHELPER_H
#include <QtCore>
#include <QtConcurrent/QtConcurrent>

#define ULONG unsigned long
#define UCHAR unsigned char
#define USHORT unsigned short

typedef enum
{
	Word = 0,
	Excel,
	Ppt
}TYPE;

/* Property Set Storage */
typedef struct pps_tag
{
    ULONG	ulSB;
    ULONG	ulSize;
} ppsTag;

typedef struct pps_info_tag
{
    ppsTag	tWordDocument;	/* Text stream */
    ppsTag	tWorkBook;
    ppsTag	tPPTDocument;
    ppsTag	tData;		/* Data stream */
    ppsTag	tTable;		/* Table stream */
    ppsTag	tSummaryInfo;	/* Summary Information */
    ppsTag	tDocSummaryInfo;/* Document Summary Information */
    ppsTag	t0Table;	/* Table 0 stream */
    ppsTag	t1Table;	/* Table 1 stream */
    ppsTag	tCurrentUser;
    TYPE		type;
} ppsInfoType;

/* Private type for Property Set Storage entries */
typedef struct pps_entry_tag
{
    ULONG	ulNext;
    ULONG	ulPrevious;
    ULONG	ulDir;
    ULONG	ulSB;
    ULONG	ulSize;
    int	iLevel;
    char	szName[32];
    UCHAR	ucType;
} ppsEntryType;

/* Excel Record Struct*/
typedef struct excelRecord
{
    excelRecord()
    {
        usLen = 0;
        usRichLen = 0;
        ulWLen = 0;
        bUni = false;
    }
    ushort usLen;
    ushort usRichLen;
    ulong ulWLen;
    bool bUni;
} excelRecord;

typedef struct readDataParam
{
     readDataParam()
     {
         ulStBlk = 0;
         pFile = NULL;
         ulBBd = NULL;
         tBBdLen = 0;
         usBlkSize = 0;
     }
     ulong ulStBlk;
     FILE *pFile;
     ulong *ulBBd;
     size_t tBBdLen;
     ushort usBlkSize;
}rdPara;

class KBinaryParser :public QObject
{
	Q_OBJECT
public:
	KBinaryParser(QObject *parent=0);
	~KBinaryParser();

public:
    bool RunParser(QString strFile,QString &content);

private:
	bool bGetPPS(FILE *pFile,
		const ULONG *aulRootList, size_t tRootListLen, ppsInfoType *pPPS);

	int readData(rdPara &readParam, uchar *aucBuffer, ulong ulOffset, size_t tToRead);

    int InitDocOle(FILE *pFile,long lFilesize,QString &content);
    bool read8DocText(FILE *pFile, const ppsInfoType *pPPS,
        const ULONG *aulBBD, size_t tBBDLen,
        const ULONG *aulSBD, size_t tSBDLen,
        const UCHAR *aucHeader,QString &content);

    int readSSTRecord(readDataParam &rdParam, ppsInfoType, ulong &ulOff, ushort usPartLen,QString &content);
    int read8BiffRecord(uchar uFlag, ulong ulOff, ulong &ulNext, readDataParam &rdParam, excelRecord &eR);

    ULONG readPPtRecord(FILE* pFile, ppsInfoType* PPS_info, ULONG* aulBBD,
                        size_t tBBDLen, ULONG ulPos,QString &content);

	QString m_strFileName;
};

#endif // SEARCHHELPER_H