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[1.6.1] Implement generic EnumToCSS attribute transformation, migrate text alignment to it
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1017 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
parent
0426985c81
commit
fd35c43643
3
NEWS
3
NEWS
@ -35,6 +35,9 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
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. Demo script removed: it has been added to the website's repository
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. Basic.php script modified to work out of the box
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. Refactor AttrTransform classes to reduce duplication
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. AttrTransform_TextAlign axed in favor of a more general
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AttrTransform_EnumToCSS, refer to HTMLModule/TransformToStrict.php to
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see how the new equivalent is implemented
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1.6.0, released 2007-04-01
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! Support for most common deprecated attributes via transformations:
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60
library/HTMLPurifier/AttrTransform/EnumToCSS.php
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60
library/HTMLPurifier/AttrTransform/EnumToCSS.php
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@ -0,0 +1,60 @@
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<?php
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require_once 'HTMLPurifier/AttrTransform.php';
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/**
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* Generic pre-transform that converts an attribute with a fixed number of
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* values (enumerated) to CSS.
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*/
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class HTMLPurifier_AttrTransform_EnumToCSS extends HTMLPurifier_AttrTransform {
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/**
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* Name of attribute to transform from
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*/
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var $attr;
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/**
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* Lookup array of attribute values to CSS
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*/
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var $enumToCSS = array();
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/**
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* Case sensitivity of the matching
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* @warning Currently can only be guaranteed to work with ASCII
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* values.
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*/
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var $caseSensitive = false;
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/**
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* @param $attr String attribute name to transform from
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* @param $enumToCSS Lookup array of attribute values to CSS
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* @param $case_sensitive Boolean case sensitivity indicator, default false
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*/
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function HTMLPurifier_AttrTransform_EnumToCSS($attr, $enum_to_css, $case_sensitive = false) {
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$this->attr = $attr;
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$this->enumToCSS = $enum_to_css;
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$this->caseSensitive = (bool) $case_sensitive;
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}
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function transform($attr, $config, &$context) {
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if (!isset($attr[$this->attr])) return $attr;
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$value = trim($attr[$this->attr]);
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unset($attr[$this->attr]);
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if (!$this->caseSensitive) $value = strtolower($value);
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if (!isset($this->enumToCSS[$value])) {
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return $attr;
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}
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$this->prependCSS($attr, $this->enumToCSS[$value]);
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return $attr;
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}
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}
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?>
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@ -1,35 +0,0 @@
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<?php
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require_once 'HTMLPurifier/AttrTransform.php';
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/**
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* Pre-transform that changes deprecated align attribute to text-align.
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*/
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class HTMLPurifier_AttrTransform_TextAlign
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extends HTMLPurifier_AttrTransform {
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function transform($attr, $config, &$context) {
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if (!isset($attr['align'])) return $attr;
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$align = $this->confiscateAttr($attr, 'align');
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$align = strtolower(trim($align));
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$values = array('left' => 1,
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'right' => 1,
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'center' => 1,
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'justify' => 1);
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if (!isset($values[$align])) {
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return $attr;
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}
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$this->prependCSS($attr, "text-align:$align;");
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return $attr;
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}
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}
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?>
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@ -7,13 +7,13 @@ require_once 'HTMLPurifier/TagTransform/Center.php';
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require_once 'HTMLPurifier/TagTransform/Font.php';
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require_once 'HTMLPurifier/AttrTransform/Lang.php';
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require_once 'HTMLPurifier/AttrTransform/TextAlign.php';
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require_once 'HTMLPurifier/AttrTransform/BgColor.php';
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require_once 'HTMLPurifier/AttrTransform/BoolToCSS.php';
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require_once 'HTMLPurifier/AttrTransform/Border.php';
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require_once 'HTMLPurifier/AttrTransform/Name.php';
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require_once 'HTMLPurifier/AttrTransform/Length.php';
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require_once 'HTMLPurifier/AttrTransform/ImgSpace.php';
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require_once 'HTMLPurifier/AttrTransform/EnumToCSS.php';
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/**
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* Proprietary module that transforms deprecated elements into Strict
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@ -61,6 +61,11 @@ class HTMLPurifier_HTMLModule_TransformToStrict extends HTMLPurifier_HTMLModule
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}
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// deprecated attribute transforms
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// align battery
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$align_lookup = array();
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$align_values = array('left', 'right', 'center', 'justify');
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foreach ($align_values as $v) $align_lookup[$v] = "text-align:$v;";
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$this->info['h1']->attr_transform_pre['align'] =
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$this->info['h2']->attr_transform_pre['align'] =
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$this->info['h3']->attr_transform_pre['align'] =
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@ -68,7 +73,7 @@ class HTMLPurifier_HTMLModule_TransformToStrict extends HTMLPurifier_HTMLModule
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$this->info['h5']->attr_transform_pre['align'] =
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$this->info['h6']->attr_transform_pre['align'] =
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$this->info['p'] ->attr_transform_pre['align'] =
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new HTMLPurifier_AttrTransform_TextAlign();
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new HTMLPurifier_AttrTransform_EnumToCSS('align', $align_lookup);
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// xml:lang <=> lang mirroring, implement in TransformToStrict,
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// this is overridden in TransformToXHTML11
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@ -1,17 +1,17 @@
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<?php
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require_once 'HTMLPurifier/AttrTransform/TextAlign.php';
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require_once 'HTMLPurifier/AttrTransform/EnumToCSS.php';
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require_once 'HTMLPurifier/AttrTransformHarness.php';
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class HTMLPurifier_AttrTransform_TextAlignTest extends HTMLPurifier_AttrTransformHarness
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class HTMLPurifier_AttrTransform_EnumToCSSTest extends HTMLPurifier_AttrTransformHarness
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{
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function setUp() {
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parent::setUp();
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$this->obj = new HTMLPurifier_AttrTransform_TextAlign();
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}
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function test() {
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function testRegular() {
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$this->obj = new HTMLPurifier_AttrTransform_EnumToCSS('align', array(
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'left' => 'text-align:left;',
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'right' => 'text-align:right;'
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));
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// leave empty arrays alone
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$this->assertResult( array() );
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@ -31,16 +31,6 @@ class HTMLPurifier_AttrTransform_TextAlignTest extends HTMLPurifier_AttrTransfor
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array('style' => 'text-align:right;')
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);
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$this->assertResult(
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array('align' => 'center'),
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array('style' => 'text-align:center;')
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);
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$this->assertResult(
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array('align' => 'justify'),
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array('style' => 'text-align:justify;')
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);
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// drop garbage value
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$this->assertResult(
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array('align' => 'invalid'),
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@ -53,10 +43,32 @@ class HTMLPurifier_AttrTransform_TextAlignTest extends HTMLPurifier_AttrTransfor
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array('style' => 'text-align:left;font-weight:bold;')
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);
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}
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function testCaseInsensitive() {
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$this->obj = new HTMLPurifier_AttrTransform_EnumToCSS('align', array(
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'right' => 'text-align:right;'
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));
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// test case insensitivity
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$this->assertResult(
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array('align' => 'CENTER'),
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array('style' => 'text-align:center;')
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array('align' => 'RIGHT'),
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array('style' => 'text-align:right;')
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);
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}
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function testCaseSensitive() {
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$this->obj = new HTMLPurifier_AttrTransform_EnumToCSS('align', array(
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'right' => 'text-align:right;'
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), true);
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// test case insensitivity
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$this->assertResult(
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array('align' => 'RIGHT'),
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array()
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);
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}
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@ -95,6 +95,22 @@ class HTMLPurifier_Strategy_ValidateAttributesTest extends
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'<h1 align="center">Centered Headline</h1>',
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'<h1 style="text-align:center;">Centered Headline</h1>'
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);
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$this->assertResult(
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'<h1 align="right">Right-aligned Headline</h1>',
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'<h1 style="text-align:right;">Right-aligned Headline</h1>'
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);
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$this->assertResult(
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'<h1 align="left">Left-aligned Headline</h1>',
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'<h1 style="text-align:left;">Left-aligned Headline</h1>'
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);
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$this->assertResult(
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'<p align="justify">Justified Paragraph</p>',
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'<p style="text-align:justify;">Justified Paragraph</p>'
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);
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$this->assertResult(
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'<h1 align="invalid">Invalid Headline</h1>',
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'<h1>Invalid Headline</h1>'
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);
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// test table
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$this->assertResult(
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@ -237,6 +253,8 @@ class HTMLPurifier_Strategy_ValidateAttributesTest extends
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'<b xml:lang="en">asdf</b>', array('HTML.Doctype' => 'XHTML 1.1')
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);
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}
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}
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@ -40,12 +40,12 @@ $test_files[] = 'AttrTransform/BdoDirTest.php';
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$test_files[] = 'AttrTransform/BgColorTest.php';
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$test_files[] = 'AttrTransform/BoolToCSSTest.php';
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$test_files[] = 'AttrTransform/BorderTest.php';
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$test_files[] = 'AttrTransform/EnumToCSSTest.php';
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$test_files[] = 'AttrTransform/ImgRequiredTest.php';
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$test_files[] = 'AttrTransform/ImgSpaceTest.php';
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$test_files[] = 'AttrTransform/LangTest.php';
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$test_files[] = 'AttrTransform/LengthTest.php';
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$test_files[] = 'AttrTransform/NameTest.php';
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$test_files[] = 'AttrTransform/TextAlignTest.php';
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$test_files[] = 'ChildDef/ChameleonTest.php';
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$test_files[] = 'ChildDef/CustomTest.php';
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$test_files[] = 'ChildDef/OptionalTest.php';
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