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java.lang.Objectcom.trolltech.qt.internal.QSignalEmitterInternal
com.trolltech.qt.QSignalEmitter
com.trolltech.qt.QtJambiObject
com.trolltech.qt.core.QByteArrayMatcher
public class QByteArrayMatcher
The QByteArrayMatcher class holds a sequence of bytes that can be quickly matched in a byte array. This class is useful when you have a sequence of bytes that you want to repeatedly match against some byte arrays (perhaps in a loop), or when you want to search for the same sequence of bytes multiple times in the same byte array. Using a matcher object and indexIn()
is faster than matching a plain QByteArray
with QByteArray::indexOf()
if repeated matching takes place. This class offers no benefit if you are doing one-off byte array matches.
Create the QByteArrayMatcher with the QByteArray
you want to search for. Then call indexIn()
on the QByteArray
that you want to search.
QByteArray
, and QStringMatcher
.
Nested Class Summary |
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Nested classes/interfaces inherited from class com.trolltech.qt.QSignalEmitter |
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QSignalEmitter.AbstractSignal, QSignalEmitter.Signal0, QSignalEmitter.Signal1, QSignalEmitter.Signal2, QSignalEmitter.Signal3, QSignalEmitter.Signal4, QSignalEmitter.Signal5, QSignalEmitter.Signal6, QSignalEmitter.Signal7, QSignalEmitter.Signal8, QSignalEmitter.Signal9 |
Nested classes/interfaces inherited from class com.trolltech.qt.internal.QSignalEmitterInternal |
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com.trolltech.qt.internal.QSignalEmitterInternal.AbstractSignalInternal |
Field Summary |
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Fields inherited from class com.trolltech.qt.internal.QSignalEmitterInternal |
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currentSender |
Constructor Summary | |
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QByteArrayMatcher()
Constructs an empty byte array matcher that won't match anything. |
|
QByteArrayMatcher(QByteArray pattern)
Constructs a byte array matcher that will search for pattern. |
|
QByteArrayMatcher(QByteArrayMatcher other)
Copies the other byte array matcher to this byte array matcher. |
Method Summary | |
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QByteArrayMatcher |
clone()
This method is reimplemented for internal reasons |
int |
indexIn(QByteArray ba)
Searches the byte array ba, from byte position from (default 0, i. |
int |
indexIn(QByteArray ba,
int from)
Searches the byte array ba, from byte position from (default 0, i. |
QByteArray |
pattern()
Returns the byte array pattern that this byte array matcher will search for. |
void |
setPattern(QByteArray pattern)
Sets the byte array that this byte array matcher will search for to pattern. |
Methods inherited from class com.trolltech.qt.QtJambiObject |
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dispose, disposed, equals, finalize, reassignNativeResources, tr, tr, tr |
Methods inherited from class com.trolltech.qt.QSignalEmitter |
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blockSignals, disconnect, disconnect, signalsBlocked, signalSender, thread |
Methods inherited from class com.trolltech.qt.internal.QSignalEmitterInternal |
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__qt_signalInitialization |
Methods inherited from class java.lang.Object |
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getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface com.trolltech.qt.QtJambiInterface |
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disableGarbageCollection, nativeId, nativePointer, reenableGarbageCollection, setJavaOwnership |
Constructor Detail |
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public QByteArrayMatcher()
setPattern()
to give it a pattern to match.
public QByteArrayMatcher(QByteArray pattern)
indexIn()
to perform a search.
public QByteArrayMatcher(QByteArrayMatcher other)
Method Detail |
---|
public final int indexIn(QByteArray ba)
pattern()
that was set in the constructor or in the most recent call to setPattern()
. Returns the position where the pattern()
matched in ba, or -1 if no match was found.
public final int indexIn(QByteArray ba, int from)
pattern()
that was set in the constructor or in the most recent call to setPattern()
. Returns the position where the pattern()
matched in ba, or -1 if no match was found.
public final QByteArray pattern()
setPattern()
.
public final void setPattern(QByteArray pattern)
pattern()
, and indexIn()
.
public QByteArrayMatcher clone()
clone
in class java.lang.Object
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