本文整理汇总了PHP中Zend_Search_Lucene_Storage_File::readVInt方法的典型用法代码示例。如果您正苦于以下问题：PHP Zend_Search_Lucene_Storage_File::readVInt方法的具体用法？PHP Zend_Search_Lucene_Storage_File::readVInt怎么用？PHP Zend_Search_Lucene_Storage_File::readVInt使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Zend_Search_Lucene_Storage_File的用法示例。
在下文中一共展示了Zend_Search_Lucene_Storage_File::readVInt方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: nextTerm
/**
* Scans terms dictionary and returns next term
*
* @return Zend_Search_Lucene_Index_Term|null
*/
public function nextTerm()
{
if ($this->_tisFile === null || $this->_termCount == 0) {
$this->_lastTerm = null;
$this->_lastTermInfo = null;
$this->_lastTermPositions = null;
$this->_docMap = null;
// may be necessary for "empty" segment
$this->_tisFile = null;
$this->_frqFile = null;
$this->_prxFile = null;
return null;
}
$termPrefixLength = $this->_tisFile->readVInt();
$termSuffix = $this->_tisFile->readString();
$termFieldNum = $this->_tisFile->readVInt();
$termValue = Zend_Search_Lucene_Index_Term::getPrefix($this->_lastTerm->text, $termPrefixLength) . $termSuffix;
$this->_lastTerm = new Zend_Search_Lucene_Index_Term($termValue, $this->_fields[$termFieldNum]->name);
$docFreq = $this->_tisFile->readVInt();
$freqPointer = $this->_lastTermInfo->freqPointer + $this->_tisFile->readVInt();
$proxPointer = $this->_lastTermInfo->proxPointer + $this->_tisFile->readVInt();
if ($docFreq >= $this->_skipInterval) {
$skipOffset = $this->_tisFile->readVInt();
} else {
$skipOffset = 0;
}
$this->_lastTermInfo = new Zend_Search_Lucene_Index_TermInfo($docFreq, $freqPointer, $proxPointer, $skipOffset);
if ($this->_termsScanMode == self::SM_FULL_INFO || $this->_termsScanMode == self::SM_MERGE_INFO) {
$this->_lastTermPositions = array();
$this->_frqFile->seek($this->_lastTermInfo->freqPointer + $this->_frqFileOffset, SEEK_SET);
$freqs = array(); $docId = 0;
for( $count = 0; $count < $this->_lastTermInfo->docFreq; $count++ ) {
$docDelta = $this->_frqFile->readVInt();
if( $docDelta % 2 == 1 ) {
$docId += ($docDelta-1)/2;
$freqs[ $docId ] = 1;
} else {
$docId += $docDelta/2;
$freqs[ $docId ] = $this->_frqFile->readVInt();
}
}
$this->_prxFile->seek($this->_lastTermInfo->proxPointer + $this->_prxFileOffset, SEEK_SET);
foreach ($freqs as $docId => $freq) {
$termPosition = 0; $positions = array();
for ($count = 0; $count < $freq; $count++ ) {
$termPosition += $this->_prxFile->readVInt();
$positions[] = $termPosition;
}
if (isset($this->_docMap[$docId])) {
$this->_lastTermPositions[$this->_docMap[$docId]] = $positions;
}
}
}
$this->_termCount--;
if ($this->_termCount == 0) {
$this->_tisFile = null;
$this->_frqFile = null;
$this->_prxFile = null;
}
return $this->_lastTerm;
}