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[ticket/11095] Python quoteattr port.

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PHPBB3-11095
This commit is contained in:
Oleg Pudeyev 2012-11-29 12:05:52 -05:00
parent 83e85810aa
commit 9c0a03f1d5
2 changed files with 91 additions and 0 deletions
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47
phpBB/includes/functions.php
View file

@ -4893,6 +4893,53 @@ function phpbb_http_login($param)
trigger_error('NOT_AUTHORISED'); trigger_error('NOT_AUTHORISED');
} }
/**
* Escapes and quotes a string for use as an HTML/XML attribute value.
*
* This is a port of Python xml.sax.saxutils quoteattr.
*
* The function will attempt to choose a quote character in such a way as to
* avoid escaping quotes in the string. If this is not possible the string will
* be wrapped in double quotes and double quotes will be escaped.
*
* @param string $data The string to be escaped
* @param array $entities Associative array of additional entities to be escaped
* @return string Escaped and quoted string
*/
function phpbb_quoteattr($data, $entities = null)
{
$data = str_replace('&', '&', $data);
$data = str_replace('>', '>', $data);
$data = str_replace('<', '&lt;', $data);
$data = str_replace("\n", '&#10;', $data);
$data = str_replace("\r", '&#13;', $data);
$data = str_replace("\t", '&#9;', $data);
if (!empty($entities))
{
$data = str_replace(array_keys($entities), array_values($entities), $data);
}
if (strpos($data, '"') !== false)
{
if (strpos($data, "'") !== false)
{
$data = '"' . str_replace('"', '&quot;', $data) . '"';
}
else
{
$data = "'" . $data . "'";
}
}
else
{
$data = '"' . $data . '"';
}
return $data;
}
/** /**
* Generate page header * Generate page header
*/ */

44
tests/functions/quoteattr_test.php Normal file
View file

@ -0,0 +1,44 @@
<?php
/**
*
* @package testing
* @copyright (c) 2012 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
require_once dirname(__FILE__) . '/../../phpBB/includes/functions.php';
class phpbb_quoteattr_test extends phpbb_test_case
{
public function quoteattr_test_data()
{
return array(
array('foo', null, '"foo"'),
array('', null, '""'),
array(' ', null, '" "'),
array('<a>', null, '"&lt;a&gt;"'),
array('&amp;', null, '"&amp;amp;"'),
array('"hello"', null, "'\"hello\"'"),
array("'hello'", null, "\"'hello'\""),
array("\"'", null, "\"&quot;'\""),
array("a\nb", null, '"a&#10;b"'),
array("a\r\nb", null, '"a&#13;&#10;b"'),
array("a\tb", null, '"a&#9;b"'),
array('a b', null, '"a b"'),
array('"a<b"', null, "'\"a&lt;b\"'"),
array('foo', array('f' => 'z'), '"zoo"'),
array('<a>', array('a' => '&amp;'), '"&lt;&amp;&gt;"'),
);
}
/**
* @dataProvider quoteattr_test_data
*/
public function test_quoteattr($input, $entities, $expected)
{
$output = phpbb_quoteattr($input, $entities);
$this->assertEquals($expected, $output);
}
}