qbytearraymatcher.cpp File Reference

#include "qbytearraymatcher.h"
#include <limits.h>

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Macros
#define	REHASH(a)

Functions
static QT_BEGIN_NAMESPACE void	bm_init_skiptable (const uchar *cc, qsizetype len, uchar *skiptable)
static qsizetype	bm_find (const uchar *cc, qsizetype l, qsizetype index, const uchar *puc, qsizetype pl, const uchar *skiptable)
static qsizetype	findChar (const char *str, qsizetype len, char ch, qsizetype from)
static qsizetype	qFindByteArrayBoyerMoore (const char *haystack, qsizetype haystackLen, qsizetype haystackOffset, const char *needle, qsizetype needleLen)
qsizetype	qFindByteArray (const char *haystack0, qsizetype haystackLen, qsizetype from, const char *needle, qsizetype needleLen)

Macro Definition Documentation

REHASH

#define REHASH

(

a

)

Value:

    if (sl_minus_1 < sizeof(std::size_t) * CHAR_BIT) \
        hashHaystack -= std::size_t(a) << sl_minus_1; \
    hashHaystack <<= 1

Definition at line 247 of file qbytearraymatcher.cpp.

Function Documentation

bm_find()

static qsizetype bm_find ( const uchar *  cc, qsizetype  l, qsizetype  index, const uchar *  puc, qsizetype  pl, const uchar *  skiptable  )

inlinestatic

Definition at line 19 of file qbytearraymatcher.cpp.

Referenced by QByteArrayMatcher::indexIn(), QByteArrayMatcher::indexIn(), QStringMatcher::indexIn(), QStaticByteArrayMatcherBase::indexOfIn(), and qFindByteArrayBoyerMoore().

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bm_init_skiptable()

static QT_BEGIN_NAMESPACE void bm_init_skiptable ( const uchar *  cc, qsizetype  len, uchar *  skiptable  )

inlinestatic

Definition at line 10 of file qbytearraymatcher.cpp.

References qMin().

Referenced by QByteArrayMatcher::QByteArrayMatcher(), QByteArrayMatcher::QByteArrayMatcher(), qFindByteArrayBoyerMoore(), and QByteArrayMatcher::setPattern().

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findChar()

static qsizetype findChar ( const char *  str, qsizetype  len, char  ch, qsizetype  from  )

static

Definition at line 216 of file qbytearraymatcher.cpp.

References ch, e, qMax(), and str.

Referenced by qFindByteArray().

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qFindByteArray()

qsizetype qFindByteArray	(	const char *	haystack0,
		qsizetype	haystackLen,
		qsizetype	from,
		const char *	needle,
		qsizetype	needleLen
	)

Definition at line 255 of file qbytearraymatcher.cpp.

References findChar(), qFindByteArrayBoyerMoore(), and REHASH.

Referenced by QtPrivate::findByteArray().

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qFindByteArrayBoyerMoore()

static qsizetype qFindByteArrayBoyerMoore ( const char *  haystack, qsizetype  haystackLen, qsizetype  haystackOffset, const char *  needle, qsizetype  needleLen  )

static

Definition at line 235 of file qbytearraymatcher.cpp.

References bm_find(), and bm_init_skiptable().

Referenced by qFindByteArray().

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