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Implement TextAlign and all hooks necessary, but it's kind of useless since CSS validation hasn't been built yet.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@166 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-08-05 02:56:57 +00:00
parent 60f769d088
commit 2deb2fc285
6 changed files with 118 additions and 4 deletions
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33
library/HTMLPurifier/AttrTransform/TextAlign.php Normal file
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@ -0,0 +1,33 @@
<?php
require_once 'HTMLPurifier/AttrTransform.php';
class HTMLPurifier_AttrTransform_TextAlign
extends HTMLPurifier_AttrTransform {
function transform($attr) {
if (!isset($attr['align'])) return $attr;
$align = strtolower(trim($attr['align']));
unset($attr['align']);
$values = array('left' => 1,
'right' => 1,
'center' => 1,
'justify' => 1);
if (!isset($values[$align])) {
return $attr;
}
$attr['style'] = isset($attr['style']) ? $attr['style'] : '';
$attr['style'] = "text-align:$align;" . $attr['style'];
return $attr;
}
}
?>

16
library/HTMLPurifier/Definition.php
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@ -5,6 +5,10 @@ require_once 'HTMLPurifier/AttrDef.php';
require_once 'HTMLPurifier/AttrDef/ID.php';
require_once 'HTMLPurifier/AttrDef/Class.php';
require_once 'HTMLPurifier/AttrDef/Text.php';
require_once 'HTMLPurifier/AttrDef/Lang.php';
require_once 'HTMLPurifier/AttrTransform.php';
require_once 'HTMLPurifier/AttrTransform/Lang.php';
require_once 'HTMLPurifier/AttrTransform/TextAlign.php';
require_once 'HTMLPurifier/ChildDef.php';
require_once 'HTMLPurifier/Generator.php';
require_once 'HTMLPurifier/Token.php';
@ -286,7 +290,16 @@ class HTMLPurifier_Definition
// or we can just create another info
//////////////////////////////////////////////////////////////////////
// UNIMP : info[]->attr_transform : attribute transformations in elements
// info[]->attr_transform : attribute transformations in elements
$transform = new HTMLPurifier_AttrTransform_TextAlign();
$this->info['h1']->attr_transform[] =
$this->info['h2']->attr_transform[] =
$this->info['h3']->attr_transform[] =
$this->info['h4']->attr_transform[] =
$this->info['h5']->attr_transform[] =
$this->info['h6']->attr_transform[] =
$this->info['p'] ->attr_transform[] = $transform;
//////////////////////////////////////////////////////////////////////
// info_attr_transform : global attribute transformation that is
@ -303,6 +316,7 @@ class HTMLPurifier_ElementDef
{
var $attr = array();
var $attr_transform = array();
var $auto_close = array();
var $child;
var $type = 'unknown';

11
library/HTMLPurifier/Strategy/ValidateAttributes.php
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@ -33,9 +33,16 @@ class HTMLPurifier_Strategy_ValidateAttributes extends HTMLPurifier_Strategy
$attr = $token->attributes;
// do global transformations
// DEFINITION CALL
foreach ($this->definition->info_attr_transform as $transformer) {
$attr = $transformer->transform($attr);
foreach ($this->definition->info_attr_transform as $transform) {
$attr = $transform->transform($attr);
}
// do local transformations
// DEFINITION CALL
foreach ($this->definition->info[$token->name]->attr_transform as $transform) {
$attr = $transform->transform($attr);
}
foreach ($attr as $attr_key => $value) {

55
tests/HTMLPurifier/AttrTransform/TextAlignTest.php Normal file
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@ -0,0 +1,55 @@
<?php
require_once 'HTMLPurifier/AttrTransform/TextAlign.php';
class HTMLPurifier_AttrTransform_TextAlignTest extends HTMLPurifier_AttrTransformHarness
{
function test() {
$this->transform = new HTMLPurifier_AttrTransform_TextAlign();
$inputs = array();
$expect = array();
// leave empty arrays alone
$inputs[0] = array();
$expect[0] = true;
// leave arrays without interesting stuff alone
$inputs[1] = array('style' => 'font-weight:bold;');
$expect[1] = true;
// test each of the conversions
$inputs[2] = array('align' => 'left');
$expect[2] = array('style' => 'text-align:left;');
$inputs[3] = array('align' => 'right');
$expect[3] = array('style' => 'text-align:right;');
$inputs[4] = array('align' => 'center');
$expect[4] = array('style' => 'text-align:center;');
$inputs[5] = array('align' => 'justify');
$expect[5] = array('style' => 'text-align:justify;');
// drop garbage value
$inputs[6] = array('align' => 'invalid');
$expect[6] = array();
// test CSS munging
$inputs[7] = array('align' => 'left', 'style' => 'font-weight:bold;');
$expect[7] = array('style' => 'text-align:left;font-weight:bold;');
// test case insensitivity
$inputs[4] = array('align' => 'CENTER');
$expect[4] = array('style' => 'text-align:center;');
$this->assertTransform($inputs, $expect);
}
}
?>

6
tests/HTMLPurifier/Strategy/ValidateAttributesTest.php
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@ -59,10 +59,14 @@ class HTMLPurifier_Strategy_ValidateAttributesTest extends
$inputs[10] = '<acronym title="PHP: Hypertext Preprocessor">PHP</acronym>';
$expect[10] = $inputs[10];
// test lang (NEEDS CORRECTION!)
// test lang
$inputs[11] = '<span lang="fr">La soupe.</span>';
$expect[11] = '<span lang="fr" xml:lang="fr">La soupe.</span>';
// test align (won't work till CSS validation is fixed)
// $inputs[12] = '<h1 align="center">Centered Headline</h1>';
// $expect[12] = '<h1 style="text-align:center;">Centered Headline</h1>';
$this->assertStrategyWorks($strategy, $inputs, $expect, $config);
}

1
tests/index.php
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@ -46,6 +46,7 @@ $test_files[] = 'AttrDef/LangTest.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);