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Implement list-style shorthand. Also, updated devnetwork.html with more recent threads.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@337 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-08-29 02:01:58 +00:00
parent 784e7356d1
commit 670d298a87
9 changed files with 199 additions and 88 deletions

3
NEWS
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@ -5,8 +5,7 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
- Fixed broken numeric entity conversion
- Malformed UTF-8 and non-SGML character detection and cleaning implemented
- API documentation completed
- Shorthand CSS properties implemented: font, border
- A limited version of CSS background implemented, only color is supported
- Shorthand CSS properties implemented: font, border, background, list-style
- Basic color keywords translated into hexadecimal values
- Table CSS properties implemented

1
TODO
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@ -6,7 +6,6 @@ Ongoing
- Plugins for major CMSes (very tricky issue)
1.0 release
- Limited list-style shorthand CSS support
- Lossy alternate character encoding support (characters not in the encoding
will get silently dropped).
- Revise (HTML|CSS)Definition and Config relationship (groundwork for 2.0)

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@ -23,7 +23,9 @@ the development of this library in these forum threads:</p>
<li><a href="http://forums.devnetwork.net/viewtopic.php?t=53579">HTMLPurifier - Take your best shot</a></li>
<li><a href="http://forums.devnetwork.net/viewtopic.php?t=53664">Need help optimizing a block of code</a>
<li><a href="http://forums.devnetwork.net/viewtopic.php?t=53861">Non-SGML characters</a>
<li><a href="http://forums.devnetwork.net/viewtopic.php?t=54283">Wordpress makes me cry</a>
<li><a href="http://forums.devnetwork.net/viewtopic.php?t=54478">Parameter Object vs. Parameter Array vs. Parameter Functions</a>
<li><a href="http://forums.devnetwork.net/viewtopic.php?t=54521">Convert encoding where output cannot represent characters</a>
</ul>
</body>
</html>

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@ -38,89 +38,6 @@ thead th {text-align:left;padding:0.1em;background-color:#EEE;}
<tr><td class="feature">Feature, requires extra work</td></tr>
</tbody></table>
<h2>Interesting Attributes</h2>
<table cellspacing="0">
<thead>
<tr><th>Attribute</th><th>Tags</th><th>Notes</th></tr>
</thead>
<!--
<tr><th></th></tr>
<tbody>
<tr><td>-</td><td>-</td><td>-</td></tr>
</tbody>
-->
<tbody>
<tr><th colspan="3">CSS</th></tr>
<tr class="impl-yes"><td>style</td><td>All</td><td>Not all properties may be implemented, parser is good though.</td></tr>
</tbody>
<tbody>
<tr><th colspan="3">Questionable</th></tr>
<tr class="impl-no"><td>accesskey</td><td>A</td><td>May interfere with main interface</td></tr>
<tr class="impl-no"><td>tabindex</td><td>A</td><td>May interfere with main interface</td></tr>
<tr><td>target</td><td>A</td><td>Config enabled, only useful for frame layouts</td></tr>
</tbody>
<tbody>
<tr><th colspan="3">Miscellaneous</th></tr>
<tr><td>datetime</td><td>DEL, INS</td><td>No visible effect, ISO format</td></tr>
<tr><td>rel</td><td>A</td><td>Largely user-defined: nofollow, tag (see microformats)</td></tr>
<tr><td>rev</td><td>A</td><td>Largely user-defined: vote-*</td></tr>
<tr class="feature"><td>axis</td><td>TD, TH</td><td>W3C only: No browser implementation</td></tr>
<tr class="feature"><td>char</td><td>COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR</td><td>W3C only: No browser implementation</td></tr>
<tr class="feature"><td>headers</td><td>TD, TH</td><td>W3C only: No browser implementation</td></tr>
<tr class="feature"><td>scope</td><td>TD, TH</td><td>W3C only: No browser implementation</td></tr>
</tbody>
<tbody class="impl-yes">
<tr><th colspan="3">URI</th></tr>
<tr><td rowspan="2">cite</td><td>BLOCKQUOTE, Q</td><td>For attribution</td></tr>
<tr><td>DEL, INS</td><td>Link to explanation why it changed</td></tr>
<tr><td>href</td><td>A</td><td>-</td></tr>
<tr><td>longdesc</td><td>IMG</td><td>-</td></tr>
<tr class="required"><td>src</td><td>IMG</td><td>Required</td></tr>
</tbody>
<tbody>
<tr><th colspan="3">Transform, target milestone 1.2</th></tr>
<tr><td rowspan="5">align</td><td>CAPTION</td><td>Near-equiv style 'caption-side', drop left and right</td></tr>
<tr><td>IMG</td><td rowspan="2">Margin-left and margin-right = auto or parent div</td></tr>
<tr><td>TABLE</td></tr>
<tr><td>HR</td><td>Equivalent style 'text-align' (IE tested)</td></tr>
<tr class="impl-yes"><td>H1, H2, H3, H4, H5, H6, P</td><td>Equivalent style 'text-align'</td></tr>
<tr class="required impl-yes"><td>alt</td><td>IMG</td><td>Required, insert image filename if src is present or default invalid image text</td></tr>
<tr><td rowspan="3">bgcolor</td><td>TABLE</td><td>Equivalent style 'background-color' (IE tested)</td></tr>
<tr><td>TR</td><td>Equivalent style 'background-color' (IE tested)</td></tr>
<tr><td>TD, TH</td><td>Equivalent style 'background-color'</td></tr>
<tr><td>border</td><td>IMG</td><td>Equivalent style 'border-width', only applies when link present</td></tr>
<tr><td>clear</td><td>BR</td><td>Near-equiv style 'clear', transform 'all' into 'both'</td></tr>
<tr class="impl-no"><td>compact</td><td>DL, OL, UL</td><td>Boolean, needs custom CSS class; rarely used anyway</td></tr>
<tr class="required impl-yes"><td>dir</td><td>BDO</td><td>Required, insert ltr (or configuration value) if none</td></tr>
<tr><td>height</td><td>TD, TH</td><td>Near-equiv style 'height', needs px suffix if original was in pixels</td></tr>
<tr><td>hspace</td><td>IMG</td><td>Near-equiv styles 'margin-top' and 'margin-bottom', needs px suffix</td></tr>
<tr class="impl-yes"><td>lang</td><td>*</td><td>Copy value to xml:lang</td></tr>
<tr><td rowspan="2">name</td><td>IMG</td><td>Turn into ID</td></tr>
<tr><td>A</td><td>Turn into ID? (not deprecated, though in which specs?)</td></tr>
<tr><td>noshade</td><td>HR</td><td>Boolean, style 'border-style:solid;'</td></tr>
<tr><td>nowrap</td><td>TD, TH</td><td>Boolean, style 'white-space:nowrap;' (not compat with IE5)</td></tr>
<tr><td>size</td><td>HR</td><td>Near-equiv 'width', needs px suffix if original was pixels</td></tr>
<tr class="required impl-yes"><td>src</td><td>IMG</td><td>Required, insert blank or default img if not set</td></tr>
<tr><td>start</td><td>OL</td><td>Poorly supported 'counter-reset', transform may not be desirable</td></tr>
<tr><td rowspan="3">type</td><td>LI</td><td rowspan="3">Equivalent style 'list-style-type', different allowed values though. (needs testing)</td></tr>
<tr><td>OL</td></tr>
<tr><td>UL</td></tr>
<tr><td>value</td><td>LI</td><td>Poorly supported 'counter-reset', transform may not be desirable, see ol.start. Configurable.</td></tr>
<tr><td>vspace</td><td>IMG</td><td>Near-equiv styles 'margin-left' and 'margin-right', needs px suffix, see hspace</td></tr>
<tr><td rowspan="2">width</td><td>HR</td><td rowspan="2">Near-equiv style 'width', needs px suffix if original was pixels</td></tr>
<tr><td>TD, TH</td></tr>
</tbody>
</table>
<h3>CSS</h3>
<table cellspacing="0">
@ -169,7 +86,7 @@ thead th {text-align:left;padding:0.1em;background-color:#EEE;}
Well-supported values are: disc, circle, square,
decimal, lower-roman, upper-roman, lower-alpha and upper-alpha. See also
CSS 3. Mostly IE lack of support.</td></tr>
<tr class="css1"><td>list-style</td><td>SHORTHAND, target milestone 1.0</td></tr>
<tr class="css1 impl-yes"><td>list-style</td><td>SHORTHAND, target milestone 1.0</td></tr>
<tr class="css1 impl-yes"><td>margin</td><td>MULTIPLE</td></tr>
<tr class="css1 impl-yes"><td>margin-*</td><td>COMPOSITE(&lt;length&gt;,
&lt;percentage&gt;, auto)</td></tr>
@ -289,4 +206,87 @@ Mozilla on inside and needs -moz-outline, no IE support.</td></tr>
</table>
<h2>Interesting Attributes</h2>
<table cellspacing="0">
<thead>
<tr><th>Attribute</th><th>Tags</th><th>Notes</th></tr>
</thead>
<!--
<tr><th></th></tr>
<tbody>
<tr><td>-</td><td>-</td><td>-</td></tr>
</tbody>
-->
<tbody>
<tr><th colspan="3">CSS</th></tr>
<tr class="impl-yes"><td>style</td><td>All</td><td>Not all properties may be implemented, parser is good though.</td></tr>
</tbody>
<tbody>
<tr><th colspan="3">Questionable</th></tr>
<tr class="impl-no"><td>accesskey</td><td>A</td><td>May interfere with main interface</td></tr>
<tr class="impl-no"><td>tabindex</td><td>A</td><td>May interfere with main interface</td></tr>
<tr><td>target</td><td>A</td><td>Config enabled, only useful for frame layouts</td></tr>
</tbody>
<tbody>
<tr><th colspan="3">Miscellaneous</th></tr>
<tr><td>datetime</td><td>DEL, INS</td><td>No visible effect, ISO format</td></tr>
<tr><td>rel</td><td>A</td><td>Largely user-defined: nofollow, tag (see microformats)</td></tr>
<tr><td>rev</td><td>A</td><td>Largely user-defined: vote-*</td></tr>
<tr class="feature"><td>axis</td><td>TD, TH</td><td>W3C only: No browser implementation</td></tr>
<tr class="feature"><td>char</td><td>COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR</td><td>W3C only: No browser implementation</td></tr>
<tr class="feature"><td>headers</td><td>TD, TH</td><td>W3C only: No browser implementation</td></tr>
<tr class="feature"><td>scope</td><td>TD, TH</td><td>W3C only: No browser implementation</td></tr>
</tbody>
<tbody class="impl-yes">
<tr><th colspan="3">URI</th></tr>
<tr><td rowspan="2">cite</td><td>BLOCKQUOTE, Q</td><td>For attribution</td></tr>
<tr><td>DEL, INS</td><td>Link to explanation why it changed</td></tr>
<tr><td>href</td><td>A</td><td>-</td></tr>
<tr><td>longdesc</td><td>IMG</td><td>-</td></tr>
<tr class="required"><td>src</td><td>IMG</td><td>Required</td></tr>
</tbody>
<tbody>
<tr><th colspan="3">Transform, target milestone 1.2</th></tr>
<tr><td rowspan="5">align</td><td>CAPTION</td><td>Near-equiv style 'caption-side', drop left and right</td></tr>
<tr><td>IMG</td><td rowspan="2">Margin-left and margin-right = auto or parent div</td></tr>
<tr><td>TABLE</td></tr>
<tr><td>HR</td><td>Equivalent style 'text-align' (IE tested)</td></tr>
<tr class="impl-yes"><td>H1, H2, H3, H4, H5, H6, P</td><td>Equivalent style 'text-align'</td></tr>
<tr class="required impl-yes"><td>alt</td><td>IMG</td><td>Required, insert image filename if src is present or default invalid image text</td></tr>
<tr><td rowspan="3">bgcolor</td><td>TABLE</td><td>Equivalent style 'background-color' (IE tested)</td></tr>
<tr><td>TR</td><td>Equivalent style 'background-color' (IE tested)</td></tr>
<tr><td>TD, TH</td><td>Equivalent style 'background-color'</td></tr>
<tr><td>border</td><td>IMG</td><td>Equivalent style 'border-width', only applies when link present</td></tr>
<tr><td>clear</td><td>BR</td><td>Near-equiv style 'clear', transform 'all' into 'both'</td></tr>
<tr class="impl-no"><td>compact</td><td>DL, OL, UL</td><td>Boolean, needs custom CSS class; rarely used anyway</td></tr>
<tr class="required impl-yes"><td>dir</td><td>BDO</td><td>Required, insert ltr (or configuration value) if none</td></tr>
<tr><td>height</td><td>TD, TH</td><td>Near-equiv style 'height', needs px suffix if original was in pixels</td></tr>
<tr><td>hspace</td><td>IMG</td><td>Near-equiv styles 'margin-top' and 'margin-bottom', needs px suffix</td></tr>
<tr class="impl-yes"><td>lang</td><td>*</td><td>Copy value to xml:lang</td></tr>
<tr><td rowspan="2">name</td><td>IMG</td><td>Turn into ID</td></tr>
<tr><td>A</td><td>Turn into ID? (not deprecated, though in which specs?)</td></tr>
<tr><td>noshade</td><td>HR</td><td>Boolean, style 'border-style:solid;'</td></tr>
<tr><td>nowrap</td><td>TD, TH</td><td>Boolean, style 'white-space:nowrap;' (not compat with IE5)</td></tr>
<tr><td>size</td><td>HR</td><td>Near-equiv 'width', needs px suffix if original was pixels</td></tr>
<tr class="required impl-yes"><td>src</td><td>IMG</td><td>Required, insert blank or default img if not set</td></tr>
<tr><td>start</td><td>OL</td><td>Poorly supported 'counter-reset', transform may not be desirable</td></tr>
<tr><td rowspan="3">type</td><td>LI</td><td rowspan="3">Equivalent style 'list-style-type', different allowed values though. (needs testing)</td></tr>
<tr><td>OL</td></tr>
<tr><td>UL</td></tr>
<tr><td>value</td><td>LI</td><td>Poorly supported 'counter-reset', transform may not be desirable, see ol.start. Configurable.</td></tr>
<tr><td>vspace</td><td>IMG</td><td>Near-equiv styles 'margin-left' and 'margin-right', needs px suffix, see hspace</td></tr>
<tr><td rowspan="2">width</td><td>HR</td><td rowspan="2">Near-equiv style 'width', needs px suffix if original was pixels</td></tr>
<tr><td>TD, TH</td></tr>
</tbody>
</table>
</body></html>

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@ -0,0 +1,78 @@
<?php
require_once 'HTMLPurifier/AttrDef.php';
/**
* Validates shorthand CSS property list-style.
* @note This currently does not support list-style-image, as that functionality
* is not implemented yet elsewhere.
*/
class HTMLPurifier_AttrDef_ListStyle extends HTMLPurifier_AttrDef
{
/**
* Local copy of component validators.
* @note See HTMLPurifier_AttrDef_Font::$info for a similar impl.
*/
var $info;
function HTMLPurifier_AttrDef_ListStyle() {
$def = HTMLPurifier_CSSDefinition::instance();
$this->info['list-style-type'] = $def->info['list-style-type'];
$this->info['list-style-position'] = $def->info['list-style-position'];
}
function validate($string, $config, &$context) {
// regular pre-processing
$string = $this->parseCDATA($string);
if ($string === '') return false;
$bits = explode(' ', strtolower($string)); // bits to process
$caught_type = false;
$caught_position = false;
$caught_none = false; // as in keyword none, which is in all of them
$ret = '';
foreach ($bits as $bit) {
if ($caught_none && ($caught_type || $caught_position)) break;
if ($caught_type && $caught_position) break;
if ($bit === '') continue;
if ($bit === 'none') {
if ($caught_none) continue;
$caught_none = true;
$ret .= 'none ';
continue;
}
// if we add anymore, roll it into a loop
$r = $this->info['list-style-type']->validate($bit, $config, $context);
if ($r !== false) {
if ($caught_type) continue;
$caught_type = true;
$ret .= $r . ' ';
continue;
}
$r = $this->info['list-style-position']->validate($bit, $config, $context);
if ($r !== false) {
if ($caught_position) continue;
$caught_position = true;
$ret .= $r . ' ';
continue;
}
}
$ret = rtrim($ret);
return $ret ? $ret : false;
}
}
?>

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@ -10,6 +10,7 @@ require_once 'HTMLPurifier/AttrDef/TextDecoration.php';
require_once 'HTMLPurifier/AttrDef/FontFamily.php';
require_once 'HTMLPurifier/AttrDef/Font.php';
require_once 'HTMLPurifier/AttrDef/Border.php';
require_once 'HTMLPurifier/AttrDef/ListStyle.php';
/**
* Defines allowed CSS attributes and what their values are.
@ -66,11 +67,15 @@ class HTMLPurifier_CSSDefinition
array('normal', 'italic', 'oblique'), false);
$this->info['font-variant'] = new HTMLPurifier_AttrDef_Enum(
array('normal', 'small-caps'), false);
$this->info['list-style-position'] = new HTMLPurifier_AttrDef_Enum(
array('inside', 'outside'), false);
$this->info['list-style-type'] = new HTMLPurifier_AttrDef_Enum(
array('disc', 'circle', 'square', 'decimal', 'lower-roman',
'upper-roman', 'lower-alpha', 'upper-alpha'), false);
$this->info['list-style'] = new HTMLPurifier_AttrDef_ListStyle();
$this->info['text-transform'] = new HTMLPurifier_AttrDef_Enum(
array('capitalize', 'uppercase', 'lowercase', 'none'), false);
$this->info['color'] = new HTMLPurifier_AttrDef_Color();

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@ -20,6 +20,7 @@ class HTMLPurifier_AttrDef_CSSTest extends HTMLPurifier_AttrDefHarness
$this->assertDef('font-weight:bold;');
$this->assertDef('list-style-position:outside;');
$this->assertDef('list-style-type:upper-roman;');
$this->assertDef('list-style:upper-roman inside;');
$this->assertDef('text-transform:capitalize;');
$this->assertDef('background-color:rgb(0,0,255);');
$this->assertDef('background-color:transparent;');

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@ -0,0 +1,26 @@
<?php
require_once 'HTMLPurifier/AttrDefHarness.php';
require_once 'HTMLPurifier/AttrDef/ListStyle.php';
class HTMLPurifier_AttrDef_ListStyleTest extends HTMLPurifier_AttrDefHarness
{
function test() {
$this->def = new HTMLPurifier_AttrDef_ListStyle();
$this->assertDef('lower-alpha');
$this->assertDef('upper-roman inside');
$this->assertDef('circle outside');
$this->assertDef('inside');
$this->assertDef('none');
$this->assertDef('outside inside', 'outside');
$this->assertDef('circle lower-alpha', 'circle');
}
}
?>

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@ -77,6 +77,7 @@ $test_files[] = 'AttrDef/IPv4Test.php';
$test_files[] = 'AttrDef/IPv6Test.php';
$test_files[] = 'AttrDef/FontTest.php';
$test_files[] = 'AttrDef/BorderTest.php';
$test_files[] = 'AttrDef/ListStyleTest.php';
$test_files[] = 'IDAccumulatorTest.php';
$test_files[] = 'TagTransformTest.php';
$test_files[] = 'AttrTransform/LangTest.php';