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import v1.1.0_beta1 | 2009-08-21

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6543
2019-07-17 22:16:19 +02:00
parent 2c1152f0d3
commit 8dee6b1a10
2306 changed files with 251360 additions and 23428 deletions
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103
libs/Zend/Search/Lucene/Storage/File/Memory.php
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@ -19,14 +19,9 @@
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Search_Lucene_Storage_File */
require_once 'Zend/Search/Lucene/Storage/File.php';
/** Zend_Search_Lucene_Exception */
require_once 'Zend/Search/Lucene/Exception.php';
/**
* @category Zend
* @package Zend_Search_Lucene
@ -294,14 +289,14 @@ class Zend_Search_Lucene_Storage_File_Memory extends Zend_Search_Lucene_Storage_
*/
public function readLong()
{
$str = substr($this->_data, $this->_position, 8);
$this->_position += 8;
/**
* Check, that we work in 64-bit mode.
* fseek() uses long for offset. Thus, largest index segment file size in 32bit mode is 2Gb
*/
if (PHP_INT_SIZE > 4) {
$str = substr($this->_data, $this->_position, 8);
$this->_position += 8;
return ord($str[0]) << 56 |
ord($str[1]) << 48 |
ord($str[2]) << 40 |
@ -311,18 +306,7 @@ class Zend_Search_Lucene_Storage_File_Memory extends Zend_Search_Lucene_Storage_
ord($str[6]) << 8 |
ord($str[7]);
} else {
if ((ord($str[0]) != 0) ||
(ord($str[1]) != 0) ||
(ord($str[2]) != 0) ||
(ord($str[3]) != 0) ||
((ord($str[0]) & 0x80) != 0)) {
throw new Zend_Search_Lucene_Exception('Largest supported segment size (for 32-bit mode) is 2Gb');
}
return ord($str[4]) << 24 |
ord($str[5]) << 16 |
ord($str[6]) << 8 |
ord($str[7]);
return $this->readLong32Bit();
}
}
@ -352,21 +336,81 @@ class Zend_Search_Lucene_Storage_File_Memory extends Zend_Search_Lucene_Storage_
chr($value>>8 & 0xFF) .
chr($value & 0xFF);
} else {
if ($value > 0x7FFFFFFF) {
throw new Zend_Search_Lucene_Exception('Largest supported segment size (for 32-bit mode) is 2Gb');
}
$this->_data .= chr(0) . chr(0) . chr(0) . chr(0) .
chr($value>>24 & 0xFF) .
chr($value>>16 & 0xFF) .
chr($value>>8 & 0xFF) .
chr($value & 0xFF);
$this->writeLong32Bit($value);
}
$this->_position = strlen($this->_data);
}
/**
* Returns a long integer from the current position in the file,
* advances the file pointer and return it as float (for 32-bit platforms).
*
* @return integer|float
* @throws Zend_Search_Lucene_Exception
*/
public function readLong32Bit()
{
$wordHigh = $this->readInt();
$wordLow = $this->readInt();
if ($wordHigh & (int)0x80000000) {
// It's a negative value since the highest bit is set
if ($wordHigh == (int)0xFFFFFFFF && ($wordLow & (int)0x80000000)) {
return $wordLow;
} else {
require_once 'Zend/Search/Lucene/Exception.php';
throw new Zend_Search_Lucene_Exception('Long integers lower than -2147483648 (0x80000000) are not supported on 32-bit platforms.');
}
}
if ($wordLow < 0) {
// Value is large than 0x7FFF FFFF. Represent low word as float.
$wordLow &= 0x7FFFFFFF;
$wordLow += (float)0x80000000;
}
if ($wordHigh == 0) {
// Return value as integer if possible
return $wordLow;
}
return $wordHigh*(float)0x100000000/* 0x00000001 00000000 */ + $wordLow;
}
/**
* Writes long integer to the end of file (32-bit platforms implementation)
*
* @param integer|float $value
* @throws Zend_Search_Lucene_Exception
*/
public function writeLong32Bit($value)
{
if ($value < (int)0x80000000) {
require_once 'Zend/Search/Lucene/Exception.php';
throw new Zend_Search_Lucene_Exception('Long integers lower than -2147483648 (0x80000000) are not supported on 32-bit platforms.');
}
if ($value < 0) {
$wordHigh = (int)0xFFFFFFFF;
$wordLow = (int)$value;
} else {
$wordHigh = (int)($value/(float)0x100000000/* 0x00000001 00000000 */);
$wordLow = $value - $wordHigh*(float)0x100000000/* 0x00000001 00000000 */;
if ($wordLow > 0x7FFFFFFF) {
// Highest bit of low word is set. Translate it to the corresponding negative integer value
$wordLow -= 0x80000000;
$wordLow |= 0x80000000;
}
}
$this->writeInt($wordHigh);
$this->writeInt($wordLow);
}
/**
* Returns a variable-length integer from the current
@ -523,6 +567,7 @@ class Zend_Search_Lucene_Storage_File_Memory extends Zend_Search_Lucene_Storage_
}
if ($chars < 0) {
require_once 'Zend/Search/Lucene/Exception.php';
throw new Zend_Search_Lucene_Exception('Invalid UTF-8 string');
}