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Commit TagTransform_Font and associated test-cases.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@143 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-08-03 00:14:10 +00:00
parent 80281dda55
commit 064fd603d3
4 changed files with 135 additions and 12 deletions
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8
library/HTMLPurifier/Definition.php
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@ -210,13 +210,7 @@ class HTMLPurifier_Definition
//////////////////////////////////////////////////////////////////////
// UNIMP : info_tag_transform : transformations of tags
// font -> span / attributes: size color face
// css: font-size color font-family
// menu -> ul
// dir -> ul
// center -> div / css: text-align: center;
//$this->info_tag_transform['font'] = new HTMLPurifier_TagTransform_Font();
$this->info_tag_transform['font'] = new HTMLPurifier_TagTransform_Font();
$this->info_tag_transform['menu'] = new HTMLPurifier_TagTransform_Simple('ul');
$this->info_tag_transform['dir'] = new HTMLPurifier_TagTransform_Simple('ul');
$this->info_tag_transform['center'] = new HTMLPurifier_TagTransform_Center();

88
library/HTMLPurifier/TagTransform.php
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@ -44,7 +44,13 @@ class HTMLPurifier_TagTransform_Simple extends HTMLPurifier_TagTransform
class HTMLPurifier_TagTransform_Center extends HTMLPurifier_TagTransform
{
var $transform_to = 'div';
function transform($tag) {
if ($tag->type == 'end') {
$new_tag = new HTMLPurifier_Token_End($this->transform_to);
return $new_tag;
}
$attributes = $tag->attributes;
$prepend_css = 'text-align:center;';
if (isset($attributes['style'])) {
@ -53,14 +59,11 @@ class HTMLPurifier_TagTransform_Center extends HTMLPurifier_TagTransform
$attributes['style'] = $prepend_css;
}
switch ($tag->type) {
case 'end':
$new_tag = new HTMLPurifier_Token_End('div');
break;
case 'start':
$new_tag = new HTMLPurifier_Token_Start('div', $attributes);
$new_tag = new HTMLPurifier_Token_Start($this->transform_to, $attributes);
break;
case 'empty':
$new_tag = new HTMLPurifier_Token_Empty('div', $attributes);
$new_tag = new HTMLPurifier_Token_Empty($this->transform_to, $attributes);
break;
default:
trigger_error('Failed tag transformation', E_USER_WARNING);
@ -70,4 +73,79 @@ class HTMLPurifier_TagTransform_Center extends HTMLPurifier_TagTransform
}
}
class HTMLPurifier_TagTransform_Font extends HTMLPurifier_TagTransform
{
var $transform_to = 'span';
var $_size_lookup = array(
'1' => 'xx-small',
'2' => 'small',
'3' => 'medium',
'4' => 'large',
'5' => 'x-large',
'6' => 'xx-large',
'7' => '300%',
'-1' => 'smaller',
'+1' => 'larger',
'-2' => '60%',
'+2' => '150%',
'+4' => '300%'
);
function transform($tag) {
if ($tag->type == 'end') {
$new_tag = new HTMLPurifier_Token_End($this->transform_to);
return $new_tag;
}
// font size lookup table based off of:
// http://style.cleverchimp.com/font_size_intervals/altintervals.html
$attributes = $tag->attributes;
$prepend_style = '';
// handle color transform
if (isset($attributes['color'])) {
$prepend_style .= 'color:' . $attributes['color'] . ';';
unset($attributes['color']);
}
// handle face transform
if (isset($attributes['face'])) {
$prepend_style .= 'font-family:' . $attributes['face'] . ';';
unset($attributes['face']);
}
// handle size transform
if (isset($attributes['size'])) {
if (isset($this->_size_lookup[$attributes['size']])) {
$prepend_style .= 'font-size:' .
$this->_size_lookup[$attributes['size']] . ';';
}
unset($attributes['size']);
}
if ($prepend_style) {
$attributes['style'] = isset($attributes['style']) ?
$prepend_style . $attributes['style'] :
$prepend_style;
}
switch ($tag->type) {
case 'start':
$new_tag = new HTMLPurifier_Token_Start($this->transform_to, $attributes);
break;
case 'empty':
$new_tag = new HTMLPurifier_Token_Empty($this->transform_to, $attributes);
break;
default:
trigger_error('Failed tag transformation', E_USER_WARNING);
return;
}
return $new_tag;
}
}
?>

4
tests/HTMLPurifier/Strategy/RemoveForeignElementsTest.php
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@ -32,6 +32,10 @@ class HTMLPurifier_Strategy_RemoveForeignElementsTest
$inputs[4] = '<center>Look I am Centered!</center>';
$expect[4] = '<div style="text-align:center;">Look I am Centered!</div>';
// test font transform
$inputs[5] = '<font color="red" face="Arial" size="6">Big Warning!</font>';
$expect[5] = '<span style="color:red;font-family:Arial;font-size:xx-large;">Big Warning!</span>';
$this->assertStrategyWorks($strategy, $inputs, $expect);
}

47
tests/HTMLPurifier/TagTransformTest.php
View File

@ -81,6 +81,53 @@ class HTMLPurifier_TagTransformTest extends UnitTestCase
}
function assertSizeToStyle($transformer, $size, $style) {
$this->assertTransformation(
$transformer,
'font', array('size' => $size),
'span', array('style' => 'font-size:' . $style . ';')
);
}
function testFont() {
$transformer = new HTMLPurifier_TagTransform_Font();
// test a font-face transformation
$this->assertTransformation(
$transformer,
'font', array('face' => 'Arial'),
'span', array('style' => 'font-family:Arial;')
);
// test a color transformation
$this->assertTransformation(
$transformer,
'font', array('color' => 'red'),
'span', array('style' => 'color:red;')
);
// test the size transforms
$this->assertSizeToStyle($transformer, '1', 'xx-small');
$this->assertSizeToStyle($transformer, '2', 'small');
$this->assertSizeToStyle($transformer, '3', 'medium');
$this->assertSizeToStyle($transformer, '4', 'large');
$this->assertSizeToStyle($transformer, '5', 'x-large');
$this->assertSizeToStyle($transformer, '6', 'xx-large');
$this->assertSizeToStyle($transformer, '7', '300%');
$this->assertSizeToStyle($transformer, '-1', 'smaller');
$this->assertSizeToStyle($transformer, '+1', 'larger');
$this->assertSizeToStyle($transformer, '-2', '60%');
$this->assertSizeToStyle($transformer, '+2', '150%');
$this->assertSizeToStyle($transformer, '+4', '300%');
// test multiple transforms, the alphabetical ordering is important
$this->assertTransformation(
$transformer,
'font', array('color' => 'red', 'face' => 'Arial', 'size' => '6'),
'span', array('style' => 'color:red;font-family:Arial;font-size:xx-large;')
);
}
}
?>