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ezoeinputparser.php
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ezoeinputparser.php
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<?php
//
// Created on: <27-Mar-2006 15:28:40 ks>
// Forked on: <20-Des-2007 13:02:06 ar> from eZDHTMLInputParser class
//
// ## BEGIN COPYRIGHT, LICENSE AND WARRANTY NOTICE ##
// SOFTWARE NAME: eZ Online Editor extension for eZ Publish
// SOFTWARE RELEASE: 5.0
// COPYRIGHT NOTICE: Copyright (C) 1999-2013 eZ Systems AS
// SOFTWARE LICENSE: GNU General Public License v2.0
// NOTICE: >
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2.0 of the GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of version 2.0 of the GNU General
// Public License along with this program; if not, write to the Free
// Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301, USA.
//
//
// ## END COPYRIGHT, LICENSE AND WARRANTY NOTICE ##
//
/*! \file ezoeinputparser.php
*/
/*!
\class eZOEInputParser
\brief The class eZOEInputParser does
*/
class eZOEInputParser extends eZXMLInputParser
{
/**
* Used to strip out ezoe, tinymce & browser specific classes
*/
const HTML_CLASS_REGEX = "/(webkit-[\w\-]+|Apple-[\w\-]+|mceItem\w+|ezoeItem\w+|ezoeAlign\w+|mceVisualAid)/i";
/**
* Maps input tags (html) to a output tag or a hander to
* decide what kind of ezxml tag to use.
*
* @var array $InputTags
*/
public $InputTags = array(
'section' => array( 'name' => 'section' ),
'b' => array( 'name' => 'strong' ),
'bold' => array( 'name' => 'strong' ),
'strong' => array( 'name' => 'strong' ),
'i' => array( 'name' => 'emphasize' ),
'em' => array( 'name' => 'emphasize' ),
'pre' => array( 'name' => 'literal' ),
'div' => array( 'nameHandler' => 'tagNameDivnImg' ),
'u' => array( 'nameHandler' => 'tagNameCustomHelper' ),
'sub' => array( 'nameHandler' => 'tagNameCustomHelper' ),
'sup' => array( 'nameHandler' => 'tagNameCustomHelper' ),
'img' => array( 'nameHandler' => 'tagNameDivnImg',
'noChildren' => true ),
'h1' => array( 'nameHandler' => 'tagNameHeader' ),
'h2' => array( 'nameHandler' => 'tagNameHeader' ),
'h3' => array( 'nameHandler' => 'tagNameHeader' ),
'h4' => array( 'nameHandler' => 'tagNameHeader' ),
'h5' => array( 'nameHandler' => 'tagNameHeader' ),
'h6' => array( 'nameHandler' => 'tagNameHeader' ),
'p' => array( 'name' => 'paragraph' ),
'br' => array( 'name' => 'br',
'noChildren' => true ),
'span' => array( 'nameHandler' => 'tagNameSpan' ),
'table' => array( 'nameHandler' => 'tagNameTable' ),
'td' => array( 'name' => 'td' ),
'tr' => array( 'name' => 'tr' ),
'th' => array( 'name' => 'th' ),
'ol' => array( 'name' => 'ol' ),
'ul' => array( 'name' => 'ul' ),
'li' => array( 'name' => 'li' ),
'a' => array( 'nameHandler' => 'tagNameLink' ),
'link' => array( 'nameHandler' => 'tagNameLink' ),
// Stubs for not supported tags.
'tbody' => array( 'name' => '' ),
'thead' => array( 'name' => '' ),
'tfoot' => array( 'name' => '' )
);
/**
* Maps output tags (ezxml) to varius handlers at different stages
* decide what kind of ezxml tag to use.
*
* @var array $OutputTags
*/
public $OutputTags = array(
'section' => array(),
'embed' => array( 'initHandler' => 'transformStyles',
'structHandler' => 'appendLineParagraph',
'publishHandler' => 'publishHandlerEmbed',
'attributes' => array( 'alt' => 'size',
'html_id' => 'xhtml:id' ) ),
'embed-inline' => array( 'initHandler' => 'transformStyles',
'structHandler' => 'appendLineParagraph',
'publishHandler' => 'publishHandlerEmbed',
'attributes' => array( 'alt' => 'size',
'html_id' => 'xhtml:id' ) ),
'table' => array( 'initHandler' => 'transformStyles',
'structHandler' => 'appendParagraph',
'attributes' => array( 'border' => false,
'ezborder' => 'border' ) ),
'tr' => array(),
'td' => array( 'initHandler' => 'transformStyles',
'attributes' => array( 'width' => 'xhtml:width',
'colspan' => 'xhtml:colspan',
'rowspan' => 'xhtml:rowspan' ) ),
'th' => array( 'initHandler' => 'transformStyles',
'attributes' => array( 'width' => 'xhtml:width',
'colspan' => 'xhtml:colspan',
'rowspan' => 'xhtml:rowspan' ) ),
'ol' => array( 'structHandler' => 'structHandlerLists' ),
'ul' => array( 'structHandler' => 'structHandlerLists' ),
'li' => array( 'autoCloseOn' => array( 'li' ) ),
'header' => array( 'initHandler' => 'initHandlerHeader',
'autoCloseOn' => array( 'paragraph' ),
'structHandler' => 'structHandlerHeader' ),
'paragraph' => array( 'parsingHandler' => 'parsingHandlerParagraph',
'autoCloseOn' => array( 'paragraph' ),
'initHandler' => 'transformStyles',
'structHandler' => 'structHandlerParagraph' ),
'line' => array(),
'br' => array( 'parsingHandler' => 'breakInlineFlow',
'structHandler' => 'structHandlerBr',
'attributes' => false ),
'literal' => array( 'parsingHandler' => 'parsingHandlerLiteral',
'structHandler' => 'appendParagraph',
'attributes' => array( 'class' => 'class' ) ),
'strong' => array( 'structHandler' => 'appendLineParagraph' ),
'emphasize' => array( 'structHandler' => 'appendLineParagraph' ),
'link' => array( 'structHandler' => 'appendLineParagraph',
'publishHandler' => 'publishHandlerLink',
'attributes' => array( 'title' => 'xhtml:title',
'id' => 'xhtml:id' ) ),
'anchor' => array( 'structHandler' => 'appendLineParagraph' ),
'custom' => array( 'initHandler' => 'initHandlerCustom',
'structHandler' => 'structHandlerCustom' ),
'#text' => array( 'structHandler' => 'structHandlerText' )
);
/**
* Constructor
* For more info see {@link eZXMLInputParser::eZXMLInputParser()}
*
* @param int $validateErrorLevel
* @param int $detectErrorLevel
* @param bool $parseLineBreaks flag if line breaks should be given meaning or not
* @param bool $removeDefaultAttrs signal if attributes of default value should not be saved.
*/
function eZOEInputParser( $validateErrorLevel = eZXMLInputParser::ERROR_NONE,
$detectErrorLevel = eZXMLInputParser::ERROR_NONE,
$parseLineBreaks = false,
$removeDefaultAttrs = false )
{
$this->eZXMLInputParser( $validateErrorLevel,
$detectErrorLevel,
$parseLineBreaks,
$removeDefaultAttrs );
$ini = eZINI::instance( 'content.ini' );
if ( $ini->hasVariable( 'header', 'AnchorAsAttribute' ) )
$this->anchorAsAttribute = $ini->variable( 'header', 'AnchorAsAttribute' ) !== 'disabled';
}
/**
* Process html text and transform it to xml.
*
* @param string $text
* @param bool $createRootNode
* @return false|DOMDocument
*/
public function process( $text, $createRootNode = true )
{
$text = preg_replace( '#<!--.*?-->#s', '', $text ); // remove HTML comments
$text = str_replace( array( ' ', ' ', ' ' ), "\xC2\xA0", $text );
return parent::process( $text, $createRootNode );
}
/**
* Sets the attributes for the given element. This method overrides the
* eZXMLInputParser::setAttributes to make sure the parser correctly
* recognizes attributes with different case variations (for IE8 which adds
* "colSpan" instead of "colspan" for instance).
*
* @param DOMElement $element
* @param array $attributes
*/
function setAttributes( $element, $attributes )
{
$thisOutputTag = $this->OutputTags[$element->nodeName];
foreach( $attributes as $key => $value )
{
// Convert attribute names
$qualifiedName = $key;
if ( isset( $thisOutputTag['attributes'] ) )
{
foreach ( $thisOutputTag['attributes'] as $outputKey => $outputAttr )
{
// make sure to recognize attributes with different case
// variations. for instance IE8 generate "colSpan" instead
// of "colspan" in Online Editor...
if ( strcasecmp( $key, $outputKey ) === 0 )
{
$qualifiedName = $outputAttr;
break;
}
}
}
// Filter classes
if ( $qualifiedName == 'class' )
{
$classesList = $this->XMLSchema->getClassesList( $element->nodeName );
if ( !in_array( $value, $classesList ) )
{
$this->handleError( self::ERROR_DATA,
ezpI18n::tr( 'kernel/classes/datatypes/ezxmltext', "Class '%1' is not allowed for element <%2> (check content.ini).",
false, array( $value, $element->nodeName ) ) );
continue;
}
}
// Create attribute nodes
if ( $qualifiedName )
{
if ( strpos( $qualifiedName, ':' ) )
{
list( $prefix, $name ) = explode( ':', $qualifiedName );
if ( isset( $this->Namespaces[$prefix] ) )
{
$URI = $this->Namespaces[$prefix];
$element->setAttributeNS( $URI, $qualifiedName, $value );
}
else
{
eZDebug::writeWarning( "No namespace defined for prefix '$prefix'.", 'eZXML input parser' );
}
}
else
{
$element->setAttribute( $qualifiedName, $value );
}
}
}
// Check for required attrs are present
if ( isset( $this->OutputTags[$element->nodeName]['requiredInputAttributes'] ) )
{
foreach( $this->OutputTags[$element->nodeName]['requiredInputAttributes'] as $reqAttrName )
{
$presented = false;
foreach( $attributes as $key => $value )
{
if ( $key == $reqAttrName )
{
$presented = true;
break;
}
}
if ( !$presented )
{
$this->handleError( self::ERROR_SCHEMA,
ezpI18n::tr( 'kernel/classes/datatypes/ezxmltext', "Required attribute '%1' is not presented in tag <%2>.",
false, array( $reqAttrName, $element->nodeName ) ) );
}
}
}
}
/**
* tagNameSpan (tag mapping handler)
* Handles span tag and maps it to embed|custom|strong|emphasize|custom.underline
* Reuses {@link eZOEInputParser::tagNameDivnImg()} for embed and custom tag mapping.
*
* @param string $tagName name of input (xhtml) tag
* @param array $attributes byref value of tag attributes
* @return string name of ezxml tag or blank (then tag is removed, but not it's content)
*/
function tagNameSpan( $tagName, &$attributes )
{
// embed / custom tag detection code in tagNameDivnImg
$name = $this->tagNameDivnImg( $tagName, $attributes );
if ( $name === '' && isset( $attributes['style'] ) )
{
if ( strpos( $attributes['style'], 'font-weight: bold' ) !== false )
{
$name = 'strong';
unset( $attributes['style'] );
}
elseif ( strpos( $attributes['style'], 'font-style: italic' ) !== false )
{
$name = 'emphasize';
unset( $attributes['style'] );
}
elseif ( strpos( $attributes['style'], 'text-decoration: underline' ) !== false
&& self::customTagIsEnabled('underline') )
{
$name = 'custom';
unset( $attributes['style'] );
$attributes['name'] = 'underline';
$attributes['children_required'] = 'true';
}
}
return $name;
}
/**
* tagNameHeader (tag mapping handler)
* Handles H[1-6] tags and maps them to header tag
*
* @param string $tagName name of input (xhtml) tag
* @param array $attributes byref value of tag attributes
* @return string name of ezxml tag or blank (then tag is removed, but not it's content)
*/
function tagNameHeader( $tagName, &$attributes )
{
$attributes['level'] = $tagName[1];
return 'header';
}
/**
* tagNameTable (tag mapping handler)
* Handles table tag and cleanups some attributes for it
*
* @param string $tagName name of input (xhtml) tag
* @param array $attributes byref value of tag attributes
* @return string name of ezxml tag or blank (then tag is removed, but not it's content)
*/
function tagNameTable( $tagName, &$attributes )
{
$name = 'table';
if ( isset( $attributes['border'] ) && !isset( $attributes['ezborder'] ) )
{
$attributes['ezborder'] = $attributes['border'];
}
if ( isset( $attributes['class'] ) )
$attributes['class'] = self::tagClassNamesCleanup( $attributes['class'] );
return $name;
}
/**
* tagNameDivnImg (tag mapping handler)
* Handles div|img tags and maps them to embed|embed-inline|custom tag
*
* @param string $tagName name of input (xhtml) tag
* @param array $attributes byref value of tag attributes
* @return string name of ezxml tag or blank (then tag is removed, but not it's content)
*/
function tagNameDivnImg( $tagName, &$attributes )
{
$name = '';
if ( isset( $attributes['id'] ) )
{
if ( strpos( $attributes['id'], 'eZObject_' ) !== false
|| strpos( $attributes['id'], 'eZNode_' ) !== false )
{
// decide if inline or block embed tag
if ( isset( $attributes['inline'] ) && $attributes['inline'] === 'true' )
$name = 'embed-inline';
else
$name = 'embed';
unset( $attributes['inline'] );// unset internal stuff to make sure custom attr with same name works
if ( isset( $attributes['class'] ) )
{
$attributes['class'] = self::tagClassNamesCleanup( $attributes['class'] );
}
}
}
if ( $name === '' && isset( $attributes['type'] ) && $attributes['type'] === 'custom' )
{
$name = 'custom';
unset( $attributes['type'] );// unset internal stuff to make sure custom attr with same name works
if ( $tagName === 'div' )
$attributes['children_required'] = 'true';
$attributes['name'] = self::tagClassNamesCleanup( $attributes['class'] );
unset( $attributes['class'] );// unset internal stuff to make sure custom attr with same name works
}
return $name;
}
/**
* tagNameLink (tag mapping handler)
* Handles a|link tags and maps them to link|anchor tag
*
* @param string $tagName name of input (xhtml) tag
* @param array $attributes byref value of tag attributes
* @return string name of ezxml tag or blank (then tag is removed, but not it's content)
*/
function tagNameLink( $tagName, &$attributes )
{
$name = '';
if ( $tagName === 'link'
&& isset( $attributes['href'] )
&& isset( $attributes['rel'] )
&& ( $attributes['rel'] === 'File-List'
|| $attributes['rel'] === 'themeData'
|| $attributes['rel'] === 'colorSchemeMapping' )
&& ( strpos( $attributes['href'], '.xml' ) !== false
|| strpos( $attributes['href'], '.thmx' ) !== false) )
{
// empty check to not store buggy links created
// by pasting content from ms word 2007
}
else if ( isset( $attributes['href'] ) )
{
// normal link tag
$name = 'link';
if ( isset( $attributes['name'] ) && !isset( $attributes['anchor_name'] ) )
{
$attributes['anchor_name'] = $attributes['name'];
unset( $attributes['name'] );// unset internal stuff to make sure custom attr with same name works
}
}
else if ( isset( $attributes['name'] ) )
{
// anchor in regular sense
$name = 'anchor';
}
else if ( isset( $attributes['class'] ) && $attributes['class'] === 'mceItemAnchor' )
{
// anchor in TinyMCE sense (was valid up until TinyMCE 3.2)
$name = 'anchor';
// ie bug with name attribute, workaround using id instead
if ( isset( $attributes['id'] ) ) $attributes['name'] = $attributes['id'];
unset( $attributes['class'] );// unset internal stuff to make sure custom attr with same name works
unset( $attributes['id'] );
}
return $name;
}
/**
* tagNameCustomHelper (tag mapping handler)
* Handles u|sub|sup tags and maps them to custom tag if they are enabled
*
* @param string $tagName name of input (xhtml) tag
* @param array $attributes byref value of tag attributes
* @return string name of ezxml tag or blank (then tag is removed, but not it's content)
*/
function tagNameCustomHelper( $tagName, &$attributes )
{
$name = '';
if ( $tagName === 'u' && self::customTagIsEnabled('underline') )
{
$name = 'custom';
$attributes['name'] = 'underline';
$attributes['children_required'] = 'true';
}
else if ( ( $tagName === 'sub' || $tagName === 'sup' ) && self::customTagIsEnabled( $tagName ) )
{
$name = 'custom';
$attributes['name'] = $tagName;
$attributes['children_required'] = 'true';
}
return $name;
}
/**
* tagClassNamesCleanup
* Used by init handlers, removes any oe/tinMCE/browser specific classes and trims the result.
*
* @static
* @param string $className 'Dirty' class name as provided by TinyMCE
* @return string Cleaned and trimmed class name
*/
public static function tagClassNamesCleanup( $className )
{
return trim( preg_replace( self::HTML_CLASS_REGEX, '', $className ) );
}
/**
* parsingHandlerLiteral (parsing handler, pass 1)
* parse content of literal tag so tags are threated like text.
*
* @param DOMElement $element
* @param array $param parameters for xml element
* @return bool|null
*/
function parsingHandlerLiteral( $element, &$param )
{
$ret = null;
$data = $param[0];
$pos = $param[1];
$prePos = strpos( $data, '</pre>', $pos );
if ( $prePos === false )
$prePos = strpos( $data, '</PRE>', $pos );
if ( $prePos === false )
return $ret;
$text = substr( $data, $pos, $prePos - $pos );
$text = preg_replace( "/^<p.*?>/i", '', $text );
$text = preg_replace( "/<\/\s?p>/i", '', $text );
$text = preg_replace( "/<p.*?>/i", "\n\n", $text );
$text = preg_replace( "/<\/?\s?br.*?>/i", "\n", $text );
$text = $this->entitiesDecode( $text );
$text = $this->convertNumericEntities( $text );
$textNode = $this->Document->createTextNode( $text );
$element->appendChild( $textNode );
$param[1] = $prePos + strlen( '</pre>' );
$ret = false;
return $ret;
}
/**
* parsingHandlerParagraph (parsing handler, pass 1)
* parse content of paragraph tag to fix empty paragraphs issues.
*
* @param DOMElement $element
* @param array $param parameters for xml element
* @return bool|null
*/
function parsingHandlerParagraph( $element, &$param )
{
$data = $param[0];
$pos = $param[1];
$prePos = strpos( $data, '</p>', $pos );
if ( $prePos === false )
$prePos = strpos( $data, '</P>', $pos );
if ( $prePos === false )
return null;
$text = substr( $data, $pos, $prePos - $pos );
// Fix empty paragraphs in Gecko (<p><br></p>)
if ( $text === '<br>' || $text === '<BR>' || $text === '<br />' )
{
if ( !$this->XMLSchema->Schema['paragraph']['childrenRequired'] )
{
$textNode = $this->Document->createTextNode( $this->entitiesDecode( ' ' ) );
$element->appendChild( $textNode );
}
}
// Fix empty paragraphs in IE (<P> </P>)
else if ( $text === ' ' && $this->XMLSchema->Schema['paragraph']['childrenRequired'] )
{
$parent = $element->parentNode;
$parent->removeChild( $element );
}
return true;
}
/**
* breakInlineFlow (parsing handler, pass 1)
* handle flow around <br> tags, legazy from oe 4.x
*
* @param DOMElement $element
* @param array $param parameters for xml element
* @return bool|null
*/
function breakInlineFlow( $element, &$param )
{
// Breaks the flow of inline tags. Used for non-inline tags caught within inline.
// Works for tags with no children only.
$ret = null;
$data =& $param[0];
$pos =& $param[1];
$tagBeginPos = $param[2];
$parent = $element->parentNode;
$wholeTagString = substr( $data, $tagBeginPos, $pos - $tagBeginPos );
if ( $parent &&
//!$this->XMLSchema->isInline( $element ) &&
$this->XMLSchema->isInline( $parent ) //&&
//!$this->XMLSchema->check( $parent, $element )
)
{
$insertData = '';
$currentParent = $parent;
end( $this->ParentStack );
do
{
$stackData = current( $this->ParentStack );
$currentParentName = $stackData[0];
$insertData .= '</' . $currentParentName . '>';
$currentParent = $currentParent->parentNode;
prev( $this->ParentStack );
}
while( $this->XMLSchema->isInline( $currentParent ) );
$insertData .= $wholeTagString;
$currentParent = $parent;
end( $this->ParentStack );
$appendData = '';
do
{
$stackData = current( $this->ParentStack );
$currentParentName = $stackData[0];
$currentParentAttrString = '';
if ( $stackData[2] )
$currentParentAttrString = ' ' . $stackData[2];
$appendData = '<' . $currentParentName . $currentParentAttrString . '>' . $appendData;
$currentParent = $currentParent->parentNode;
prev( $this->ParentStack );
}
while( $this->XMLSchema->isInline( $currentParent ) );
$insertData .= $appendData;
$data = $insertData . substr( $data, $pos );
$pos = 0;
$element = $parent->removeChild( $element );
$ret = false;
}
return $ret;
}
/**
* initHandlerCustom (init handler, pass 2 before childre tags)
* seesm to be doing nothing
*
* @param DOMElement $element
* @param array $param parameters for xml element
* @return bool|null
*/
function initHandlerCustom( $element, &$params )
{
if ( $this->XMLSchema->isInline( $element ) )
return null;
self::elementStylesToAttribute( $element );
return null;
}
/**
* initHandlerHeader (init handler, pass 2 before childre tags)
* sets anchor as attribute if setting is enabled
*
* @param DOMElement $element
* @param array $param parameters for xml element
* @return bool|null
*/
function initHandlerHeader( $element, &$params )
{
if ( $this->anchorAsAttribute )
{
$anchorElement = $element->firstChild;
if ( $anchorElement->nodeName === 'anchor' )
{
$element->setAttribute( 'anchor_name', $anchorElement->getAttribute( 'name' ) );
$anchorElement = $element->removeChild( $anchorElement );
}
}
self::elementStylesToAttribute( $element );
return null;
}
/**
* transformStyles (init handler, pass 2 before childre tags)
* tryes to convert css styles to attributes.
*
* @param DOMElement $element
* @param array $params
* @return null|array changes structure if it contains 'result' key
*/
function transformStyles( $element, &$params )
{
self::elementStylesToAttribute( $element );
return null;
}
/**
* appendLineParagraph (Structure handler, pass 2 after childre tags)
* Structure handler for inline nodes.
*
* @param DOMElement $element
* @param DOMElement $newParent node that are going to become new parent.
* @return array changes structure if it contains 'result' key
*/
function appendLineParagraph( $element, $newParent )
{
$ret = array();
$parent = $element->parentNode;
if ( !$parent instanceof DOMElement )
{
return $ret;
}
$parentName = $parent->nodeName;
$next = $element->nextSibling;
$newParentName = $newParent != null ? $newParent->nodeName : '';
// Correct schema by adding <line> and <paragraph> tags.
if ( $parentName === 'line' || $this->XMLSchema->isInline( $parent ) )
{
return $ret;
}
if ( $newParentName === 'line' )
{
$element = $parent->removeChild( $element );
$newParent->appendChild( $element );
$ret['result'] = $newParent;
}
elseif ( $parentName === 'paragraph' )
{
$newLine = $this->createAndPublishElement( 'line', $ret );
$element = $parent->replaceChild( $newLine, $element );
$newLine->appendChild( $element );
$ret['result'] = $newLine;
}
elseif ( $newParentName === 'paragraph' )
{
$newLine = $this->createAndPublishElement( 'line', $ret );
$element = $parent->removeChild( $element );
$newParent->appendChild( $newLine );
$newLine->appendChild( $element );
$ret['result'] = $newLine;
}
elseif ( $this->XMLSchema->check( $parent, 'paragraph' ) )
{
$newLine = $this->createAndPublishElement( 'line', $ret );
$newPara = $this->createAndPublishElement( 'paragraph', $ret );
$parent->replaceChild( $newPara, $element );
$newPara->appendChild( $newLine );
$newLine->appendChild( $element );
$ret['result'] = $newLine;
}
return $ret;
}
/**
* structHandlerBr (Structure handler, pass 2 after childre tags)
* Structure handler for temporary <br> elements
*
* @param DOMElement $element
* @param DOMElement $newParent node that are going to become new parent.
* @return array changes structure if it contains 'result' key
*/
function structHandlerBr( $element, $newParent )
{
$ret = array();
if ( $newParent && $newParent->nodeName === 'line' )
{
$ret['result'] = $newParent->parentNode;
}
return $ret;
}
/**
* appendParagraph (Structure handler, pass 2 after childre tags)
* Structure handler for in-paragraph nodes.
*
* @param DOMElement $element
* @param DOMElement $newParent node that are going to become new parent.
* @return array changes structure if it contains 'result' key
*/
function appendParagraph( $element, $newParent )
{
$ret = array();
$parent = $element->parentNode;
if ( !$parent )
return $ret;
$parentName = $parent->nodeName;
if ( $parentName !== 'paragraph' )
{
if ( $newParent && $newParent->nodeName === 'paragraph' )
{
$element = $parent->removeChild( $element );
$newParent->appendChild( $element );
$ret['result'] = $newParent;
return $ret;
}
if ( $newParent
&& $newParent->parentNode
&& $newParent->parentNode->nodeName === 'paragraph' )
{
$para = $newParent->parentNode;
$element = $parent->removeChild( $element );
$para->appendChild( $element );
$ret['result'] = $newParent->parentNode;
return $ret;
}
if ( $this->XMLSchema->check( $parentName, 'paragraph' ) )
{
$newPara = $this->createAndPublishElement( 'paragraph', $ret );
$parent->replaceChild( $newPara, $element );
$newPara->appendChild( $element );
$ret['result'] = $newPara;
}
}
return $ret;
}
/**
* structHandlerText (Structure handler, pass 2 after childre tags)
* Structure handler for #text.
*
* @param DOMElement $element
* @param DOMElement $newParent node that are going to become new parent.
* @return array changes structure if it contains 'result' key
*/
function structHandlerText( $element, $newParent )
{
$ret = array();
$parent = $element->parentNode;
// Remove empty text elements
if ( $element->textContent == '' )
{
$element = $parent->removeChild( $element );
return $ret;
}
$ret = $this->appendLineParagraph( $element, $newParent );
// Fix for italic/bold styles in Mozilla.
$addStrong = $addEmph = null;
$myParent = $element->parentNode;
while( $myParent )
{
$style = $myParent->getAttribute( 'style' );
if ( $style && $addStrong !== false && strpos( $style, 'font-weight: bold;' ) !== false )
{
$addStrong = true;
}
if ( $style && $addEmph !== false && strpos( $style, 'font-style: italic;' ) !== false )
{
$addEmph = true;
}
if ( $myParent->nodeName === 'strong' )
{
$addStrong = false;
}
elseif ( $myParent->nodeName === 'emphasize' )
{
$addEmph = false;
}
elseif ( $myParent->nodeName === 'td'
|| $myParent->nodeName === 'th'
|| $myParent->nodeName === 'section' )
{
break;
}
$tmp = $myParent;
$myParent = $tmp->parentNode;
}
$parent = $element->parentNode;
if ( $addEmph === true )
{
$emph = $this->Document->createElement( 'emphasize' );
$emph = $parent->insertBefore( $emph, $element );
$element = $parent->removeChild( $element );
$emph->appendChild( $element );
}
if ( $addStrong === true )
{
$strong = $this->Document->createElement( 'strong' );
$strong = $parent->insertBefore( $strong, $element );
$element = $parent->removeChild( $element );
$strong->appendChild( $element );
}
// Left trim spaces:
if ( $this->TrimSpaces )
{
$trim = false;
$currentElement = $element;
// Check if it is the first element in line
do
{
if ( $currentElement->previousSibling )
{
break;
}
$currentElement = $currentElement->parentNode;
if ( $currentElement instanceof DOMElement &&
( $currentElement->nodeName === 'line' ||
$currentElement->nodeName === 'paragraph' ) )
{
$trim = true;
break;
}
} while ( $currentElement instanceof DOMElement );
if ( $trim )
{
// Trim and remove if empty
$element->textContent = ltrim( $element->textContent );
if ( $element->textContent == '' )
{
$parent = $element->parentNode;
$element = $parent->removeChild( $element );
}
}
}
return $ret;
}
/**
* structHandlerHeader (Structure handler, pass 2 after childre tags)
* Structure handler for header tag.
*
* @param DOMElement $element
* @param DOMElement $newParent node that are going to become new parent.
* @return array changes structure if it contains 'result' key
*/
function structHandlerHeader( $element, $newParent )
{
$ret = array();
$parent = $element->parentNode;
$level = $element->getAttribute( 'level' );
if ( !$level )
{
$level = 1;
}
$element->removeAttribute( 'level' );
if ( $level )
{
$sectionLevel = -1;
$current = $element;
while ( $current->parentNode )
{
$tmp = $current;
$current = $tmp->parentNode;
if ( $current->nodeName === 'section' )
{
++$sectionLevel;
}
elseif ( $current->nodeName === 'td' )
{
++$sectionLevel;
break;
}
}
if ( $level > $sectionLevel )
{
$newTempParent = $parent;
for ( $i = $sectionLevel; $i < $level; $i++ )
{
$newSection = $this->Document->createElement( 'section' );
if ( $i == $sectionLevel )
{
$newSection = $newTempParent->insertBefore( $newSection, $element );
}
else
{
$newTempParent->appendChild( $newSection );