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- <?php
- # ***** BEGIN LICENSE BLOCK *****
- # Version: MPL 1.1/GPL 2.0/LGPL 2.1
- #
- # The contents of this file are subject to the Mozilla Public License Version
- # 1.1 (the "License"); you may not use this file except in compliance with
- # the License. You may obtain a copy of the License at
- # http://www.mozilla.org/MPL/
- #
- # Software distributed under the License is distributed on an "AS IS" basis,
- # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- # for the specific language governing rights and limitations under the
- # License.
- #
- # The Original Code is Weave Minimal Server
- #
- # The Initial Developer of the Original Code is
- # Mozilla Labs.
- # Portions created by the Initial Developer are Copyright (C) 2008
- # the Initial Developer. All Rights Reserved.
- #
- # Contributor(s):
- # Toby Elliott (telliott@mozilla.com)
- # Luca Tettamanti
- #
- # Alternatively, the contents of this file may be used under the terms of
- # either the GNU General Public License Version 2 or later (the "GPL"), or
- # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- # in which case the provisions of the GPL or the LGPL are applicable instead
- # of those above. If you wish to allow use of your version of this file only
- # under the terms of either the GPL or the LGPL, and not to allow others to
- # use your version of this file under the terms of the MPL, indicate your
- # decision by deleting the provisions above and replace them with the notice
- # and other provisions required by the GPL or the LGPL. If you do not delete
- # the provisions above, a recipient may use your version of this file under
- # the terms of any one of the MPL, the GPL or the LGPL.
- #
- # ***** END LICENSE BLOCK *****
- #The datasets we might be dealing with here are too large for sticking it all into an array, so
- #we need to define a direct-output method for the storage class to use. If we start producing multiples
- #(unlikely), we can put them in their own class.
- class WBOJsonOutput
- {
- private $_full = null;
- private $_comma_flag = 0;
- private $_output_format = 'json';
- function __construct ($full = false)
- {
- $this->_full = $full;
- if (array_key_exists('HTTP_ACCEPT', $_SERVER)
- && !preg_match('/\*\/\*/', $_SERVER['HTTP_ACCEPT'])
- && !preg_match('/application\/json/', $_SERVER['HTTP_ACCEPT']))
- {
- if (preg_match('/application\/whoisi/', $_SERVER['HTTP_ACCEPT']))
- {
- header("Content-type: application/whoisi");
- $this->_output_format = 'whoisi';
- }
- elseif (preg_match('/application\/newlines/', $_SERVER['HTTP_ACCEPT']))
- {
- header("Content-type: application/newlines");
- $this->_output_format = 'newlines';
- }
- }
- }
- function set_format($format)
- {
- $this->_output_format = $format;
- }
- function output($sth)
- {
- if (($rowcount = $sth->rowCount()) > 0)
- {
- header('X-Weave-Records: ' . $rowcount);
- }
- if ($this->_output_format == 'newlines')
- {
- return $this->output_newlines($sth);
- }
- elseif ($this->_output_format == 'whoisi')
- {
- return $this->output_whoisi($sth);
- }
- else
- {
- return $this->output_json($sth);
- }
- }
- function output_json($sth)
- {
- echo '[';
- while ($result = $sth->fetch(PDO::FETCH_ASSOC))
- {
- if ($this->_comma_flag) { echo ','; } else { $this->_comma_flag = 1; }
- if ($this->_full)
- {
- $wbo = new wbo();
- $wbo->populate($result);
- echo $wbo->json();
- }
- else
- echo json_encode($result{'id'});
- }
- echo ']';
- return 1;
- }
- function output_whoisi($sth)
- {
- while ($result = $sth->fetch(PDO::FETCH_ASSOC))
- {
- if ($this->_full)
- {
- $wbo = new wbo();
- $wbo->populate($result);
- $output = $wbo->json();
- }
- else
- $output = json_encode($result{'id'});
- echo pack('N', mb_strlen($output, '8bit')) . $output;
- }
- return 1;
- }
- function output_newlines($sth)
- {
- while ($result = $sth->fetch(PDO::FETCH_ASSOC))
- {
- if ($this->_full)
- {
- $wbo = new wbo();
- $wbo->populate($result);
- echo preg_replace('/\n/', '\u000a', $wbo->json());
- }
- else
- echo json_encode($result{'id'});
- echo "\n";
- }
- return 1;
- }
- }
- ?>
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