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Implement Pixels attribute definition.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@169 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-08-06 01:03:48 +00:00
parent fdc838c75e
commit a520b5469e
6 changed files with 79 additions and 1 deletions
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30
library/HTMLPurifier/AttrDef/Pixels.php Normal file
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@ -0,0 +1,30 @@
<?php
require_once 'HTMLPurifier/AttrDef.php';
class HTMLPurifier_AttrDef_Pixels extends HTMLPurifier_AttrDef
{
function validate($string) {
$string = trim($string);
if ($string === '0') return $string;
if ($string === '') return false;
$length = strlen($string);
if (substr($string, $length - 2) == 'px') {
$string = substr($string, 0, $length - 2);
}
if (!is_numeric($string)) return false;
$int = (int) $string;
if ($int < 0) return '0';
// could use some upper-bound checking
return (string) $int;
}
}
?>

4
library/HTMLPurifier/Config.php
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@ -35,6 +35,10 @@ class HTMLPurifier_Config
// at all.
var $attr_lang_alpha = false;
// max amount of pixels allowed to be specified
var $attr_pixels_hmax = 600; // horizontal context
var $attr_pixels_vmax = 1200; // vertical context
function createDefault() {
$config = new HTMLPurifier_Config();
return $config;

3
library/HTMLPurifier/Definition.php
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@ -6,6 +6,7 @@ require_once 'HTMLPurifier/AttrDef.php';
require_once 'HTMLPurifier/AttrDef/Class.php';
require_once 'HTMLPurifier/AttrDef/Text.php';
require_once 'HTMLPurifier/AttrDef/Lang.php';
require_once 'HTMLPurifier/AttrDef/Pixels.php';
require_once 'HTMLPurifier/AttrTransform.php';
require_once 'HTMLPurifier/AttrTransform/Lang.php';
require_once 'HTMLPurifier/AttrTransform/TextAlign.php';
@ -296,6 +297,8 @@ class HTMLPurifier_Definition
$this->info['table']->attr['rules'] = $e_TRules;
$this->info['table']->attr['summary'] = $e_Text;
$this->info['table']->attr['border'] = new HTMLPurifier_AttrDef_Pixels();
//////////////////////////////////////////////////////////////////////
// UNIMP : info_tag_transform : transformations of tags

39
tests/HTMLPurifier/AttrDef/PixelsTest.php Normal file
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@ -0,0 +1,39 @@
<?php
require_once 'HTMLPurifier/AttrDefHarness.php';
require_once 'HTMLPurifier/AttrDef/Pixels.php';
class HTMLPurifier_AttrDef_PixelsTest extends HTMLPurifier_AttrDefHarness
{
function test() {
$this->def = new HTMLPurifier_AttrDef_Pixels();
$this->assertDef('1');
$this->assertDef('0');
$this->assertDef('2px', '2'); // rm px suffix
$this->assertDef('dfs', false); // totally invalid value
// conceivably we could repair this value, but we won't for now
$this->assertDef('9in', false);
// test trim
$this->assertDef(' 45 ', '45');
// no negatives
$this->assertDef('-2', '0');
// remove empty
$this->assertDef('', false);
// round down
$this->assertDef('4.9', '4');
}
}
?>

2
tests/HTMLPurifier/Strategy/ValidateAttributesTest.php
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@ -69,7 +69,7 @@ class HTMLPurifier_Strategy_ValidateAttributesTest extends
// test table
$inputs[13] = <<<HTML
<table frame="above" rules="rows" summary="A test table">
<table frame="above" rules="rows" summary="A test table" border="2">
<tr valign="top">
<th abbr="super" align="left">Supercalifragilistic</th>
</tr>

2
tests/index.php
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@ -43,11 +43,13 @@ $test_files[] = 'AttrDef/IDTest.php';
$test_files[] = 'AttrDef/ClassTest.php';
$test_files[] = 'AttrDef/TextTest.php';
$test_files[] = 'AttrDef/LangTest.php';
$test_files[] = 'AttrDef/PixelsTest.php';
$test_files[] = 'IDAccumulatorTest.php';
$test_files[] = 'TagTransformTest.php';
$test_files[] = 'AttrTransform/LangTest.php';
$test_files[] = 'AttrTransform/TextAlignTest.php';
$test_file_lookup = array_flip($test_files);
if (isset($_GET['file']) && isset($test_file_lookup[$_GET['file']])) {