89 lines
2.4 KiB
PHP
Executable File
89 lines
2.4 KiB
PHP
Executable File
<?php
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/*
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* $Id: SQLiteResultSetIterator.php,v 1.6 2004/12/03 16:57:54 gamr Exp $
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information please see
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* <http://creole.phpdb.org>.
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*/
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/**
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* Optimized iterator for SQLite.
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*
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* @author Hans Lellelid <hans@xmpl.org>
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* @version $Revision: 1.6 $
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* @package creole.drivers.sqlite
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*/
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class SQLiteResultSetIterator implements Iterator {
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private $result;
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private $pos = 0;
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private $fetchmode;
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private $row_count;
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/**
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* Construct the iterator.
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* @param SQLiteResultSet $rs
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*/
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public function __construct(SQLiteResultSet $rs)
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{
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$this->result = $rs->getResource();
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$this->fetchmode = $rs->getFetchmode();
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$this->row_count = $rs->getRecordCount();
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}
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/**
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* This method actually has no effect, since we do not rewind ResultSet for iteration.
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*/
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function rewind()
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{
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sqlite_rewind($this->result);
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}
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function valid()
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{
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return ( $this->pos < $this->row_count );
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}
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/**
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* Returns the cursor position. Note that this will not necessarily
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* be 1 for the first row, since no rewind is performed at beginning
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* of iteration.
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* @return int
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*/
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function key()
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{
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return $this->pos;
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}
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/**
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* Returns the row (assoc array) at current cursor pos.
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* @return array
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*/
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function current()
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{
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return sqlite_fetch_array($this->result, $this->fetchmode);
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}
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/**
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* Advances internal cursor pos.
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*/
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function next()
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{
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$this->pos++;
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}
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}
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