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Ataxya
2021-10-26 13:02:53 +02:00
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39
content/inc/Parsing/Handler/AbstractRewriter.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
/**
* Basic implementation of the rewriter interface to be specialized by children
*/
abstract class AbstractRewriter implements ReWriterInterface
{
/** @var CallWriterInterface original CallWriter */
protected $callWriter;
/** @var array[] list of calls */
public $calls = array();
/** @inheritdoc */
public function __construct(CallWriterInterface $callWriter)
{
$this->callWriter = $callWriter;
}
/** @inheritdoc */
public function writeCall($call)
{
$this->calls[] = $call;
}
/** * @inheritdoc */
public function writeCalls($calls)
{
$this->calls = array_merge($this->calls, $calls);
}
/** @inheritDoc */
public function getCallWriter()
{
return $this->callWriter;
}
}

211
content/inc/Parsing/Handler/Block.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
/**
* Handler for paragraphs
*
* @author Harry Fuecks <hfuecks@gmail.com>
*/
class Block
{
protected $calls = array();
protected $skipEol = false;
protected $inParagraph = false;
// Blocks these should not be inside paragraphs
protected $blockOpen = array(
'header',
'listu_open','listo_open','listitem_open','listcontent_open',
'table_open','tablerow_open','tablecell_open','tableheader_open','tablethead_open',
'quote_open',
'code','file','hr','preformatted','rss',
'htmlblock','phpblock',
'footnote_open',
);
protected $blockClose = array(
'header',
'listu_close','listo_close','listitem_close','listcontent_close',
'table_close','tablerow_close','tablecell_close','tableheader_close','tablethead_close',
'quote_close',
'code','file','hr','preformatted','rss',
'htmlblock','phpblock',
'footnote_close',
);
// Stacks can contain paragraphs
protected $stackOpen = array(
'section_open',
);
protected $stackClose = array(
'section_close',
);
/**
* Constructor. Adds loaded syntax plugins to the block and stack
* arrays
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
public function __construct()
{
global $DOKU_PLUGINS;
//check if syntax plugins were loaded
if (empty($DOKU_PLUGINS['syntax'])) return;
foreach ($DOKU_PLUGINS['syntax'] as $n => $p) {
$ptype = $p->getPType();
if ($ptype == 'block') {
$this->blockOpen[] = 'plugin_'.$n;
$this->blockClose[] = 'plugin_'.$n;
} elseif ($ptype == 'stack') {
$this->stackOpen[] = 'plugin_'.$n;
$this->stackClose[] = 'plugin_'.$n;
}
}
}
protected function openParagraph($pos)
{
if ($this->inParagraph) return;
$this->calls[] = array('p_open',array(), $pos);
$this->inParagraph = true;
$this->skipEol = true;
}
/**
* Close a paragraph if needed
*
* This function makes sure there are no empty paragraphs on the stack
*
* @author Andreas Gohr <andi@splitbrain.org>
*
* @param string|integer $pos
*/
protected function closeParagraph($pos)
{
if (!$this->inParagraph) return;
// look back if there was any content - we don't want empty paragraphs
$content = '';
$ccount = count($this->calls);
for ($i=$ccount-1; $i>=0; $i--) {
if ($this->calls[$i][0] == 'p_open') {
break;
} elseif ($this->calls[$i][0] == 'cdata') {
$content .= $this->calls[$i][1][0];
} else {
$content = 'found markup';
break;
}
}
if (trim($content)=='') {
//remove the whole paragraph
//array_splice($this->calls,$i); // <- this is much slower than the loop below
for ($x=$ccount; $x>$i;
$x--) array_pop($this->calls);
} else {
// remove ending linebreaks in the paragraph
$i=count($this->calls)-1;
if ($this->calls[$i][0] == 'cdata') $this->calls[$i][1][0] = rtrim($this->calls[$i][1][0], "\n");
$this->calls[] = array('p_close',array(), $pos);
}
$this->inParagraph = false;
$this->skipEol = true;
}
protected function addCall($call)
{
$key = count($this->calls);
if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) {
$this->calls[$key-1][1][0] .= $call[1][0];
} else {
$this->calls[] = $call;
}
}
// simple version of addCall, without checking cdata
protected function storeCall($call)
{
$this->calls[] = $call;
}
/**
* Processes the whole instruction stack to open and close paragraphs
*
* @author Harry Fuecks <hfuecks@gmail.com>
* @author Andreas Gohr <andi@splitbrain.org>
*
* @param array $calls
*
* @return array
*/
public function process($calls)
{
// open first paragraph
$this->openParagraph(0);
foreach ($calls as $key => $call) {
$cname = $call[0];
if ($cname == 'plugin') {
$cname='plugin_'.$call[1][0];
$plugin = true;
$plugin_open = (($call[1][2] == DOKU_LEXER_ENTER) || ($call[1][2] == DOKU_LEXER_SPECIAL));
$plugin_close = (($call[1][2] == DOKU_LEXER_EXIT) || ($call[1][2] == DOKU_LEXER_SPECIAL));
} else {
$plugin = false;
}
/* stack */
if (in_array($cname, $this->stackClose) && (!$plugin || $plugin_close)) {
$this->closeParagraph($call[2]);
$this->storeCall($call);
$this->openParagraph($call[2]);
continue;
}
if (in_array($cname, $this->stackOpen) && (!$plugin || $plugin_open)) {
$this->closeParagraph($call[2]);
$this->storeCall($call);
$this->openParagraph($call[2]);
continue;
}
/* block */
// If it's a substition it opens and closes at the same call.
// To make sure next paragraph is correctly started, let close go first.
if (in_array($cname, $this->blockClose) && (!$plugin || $plugin_close)) {
$this->closeParagraph($call[2]);
$this->storeCall($call);
$this->openParagraph($call[2]);
continue;
}
if (in_array($cname, $this->blockOpen) && (!$plugin || $plugin_open)) {
$this->closeParagraph($call[2]);
$this->storeCall($call);
continue;
}
/* eol */
if ($cname == 'eol') {
// Check this isn't an eol instruction to skip...
if (!$this->skipEol) {
// Next is EOL => double eol => mark as paragraph
if (isset($calls[$key+1]) && $calls[$key+1][0] == 'eol') {
$this->closeParagraph($call[2]);
$this->openParagraph($call[2]);
} else {
//if this is just a single eol make a space from it
$this->addCall(array('cdata',array("\n"), $call[2]));
}
}
continue;
}
/* normal */
$this->addCall($call);
$this->skipEol = false;
}
// close last paragraph
$call = end($this->calls);
$this->closeParagraph($call[2]);
return $this->calls;
}
}

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content/inc/Parsing/Handler/CallWriter.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
class CallWriter implements CallWriterInterface
{
/** @var \Doku_Handler $Handler */
protected $Handler;
/**
* @param \Doku_Handler $Handler
*/
public function __construct(\Doku_Handler $Handler)
{
$this->Handler = $Handler;
}
/** @inheritdoc */
public function writeCall($call)
{
$this->Handler->calls[] = $call;
}
/** @inheritdoc */
public function writeCalls($calls)
{
$this->Handler->calls = array_merge($this->Handler->calls, $calls);
}
/**
* @inheritdoc
* function is required, but since this call writer is first/highest in
* the chain it is not required to do anything
*/
public function finalise()
{
unset($this->Handler);
}
}

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content/inc/Parsing/Handler/CallWriterInterface.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
interface CallWriterInterface
{
/**
* Add a call to our call list
*
* @param array $call the call to be added
*/
public function writeCall($call);
/**
* Append a list of calls to our call list
*
* @param array[] $calls list of calls to be appended
*/
public function writeCalls($calls);
/**
* Explicit request to finish up and clean up NOW!
* (probably because document end has been reached)
*
* If part of a CallWriter chain, call finalise on
* the original call writer
*
*/
public function finalise();
}

186
content/inc/Parsing/Handler/Lists.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
class Lists extends AbstractRewriter
{
protected $listCalls = array();
protected $listStack = array();
protected $initialDepth = 0;
const NODE = 1;
/** @inheritdoc */
public function finalise()
{
$last_call = end($this->calls);
$this->writeCall(array('list_close',array(), $last_call[2]));
$this->process();
$this->callWriter->finalise();
unset($this->callWriter);
}
/** @inheritdoc */
public function process()
{
foreach ($this->calls as $call) {
switch ($call[0]) {
case 'list_item':
$this->listOpen($call);
break;
case 'list_open':
$this->listStart($call);
break;
case 'list_close':
$this->listEnd($call);
break;
default:
$this->listContent($call);
break;
}
}
$this->callWriter->writeCalls($this->listCalls);
return $this->callWriter;
}
protected function listStart($call)
{
$depth = $this->interpretSyntax($call[1][0], $listType);
$this->initialDepth = $depth;
// array(list type, current depth, index of current listitem_open)
$this->listStack[] = array($listType, $depth, 1);
$this->listCalls[] = array('list'.$listType.'_open',array(),$call[2]);
$this->listCalls[] = array('listitem_open',array(1),$call[2]);
$this->listCalls[] = array('listcontent_open',array(),$call[2]);
}
protected function listEnd($call)
{
$closeContent = true;
while ($list = array_pop($this->listStack)) {
if ($closeContent) {
$this->listCalls[] = array('listcontent_close',array(),$call[2]);
$closeContent = false;
}
$this->listCalls[] = array('listitem_close',array(),$call[2]);
$this->listCalls[] = array('list'.$list[0].'_close', array(), $call[2]);
}
}
protected function listOpen($call)
{
$depth = $this->interpretSyntax($call[1][0], $listType);
$end = end($this->listStack);
$key = key($this->listStack);
// Not allowed to be shallower than initialDepth
if ($depth < $this->initialDepth) {
$depth = $this->initialDepth;
}
if ($depth == $end[1]) {
// Just another item in the list...
if ($listType == $end[0]) {
$this->listCalls[] = array('listcontent_close',array(),$call[2]);
$this->listCalls[] = array('listitem_close',array(),$call[2]);
$this->listCalls[] = array('listitem_open',array($depth-1),$call[2]);
$this->listCalls[] = array('listcontent_open',array(),$call[2]);
// new list item, update list stack's index into current listitem_open
$this->listStack[$key][2] = count($this->listCalls) - 2;
// Switched list type...
} else {
$this->listCalls[] = array('listcontent_close',array(),$call[2]);
$this->listCalls[] = array('listitem_close',array(),$call[2]);
$this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]);
$this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
$this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
$this->listCalls[] = array('listcontent_open',array(),$call[2]);
array_pop($this->listStack);
$this->listStack[] = array($listType, $depth, count($this->listCalls) - 2);
}
} elseif ($depth > $end[1]) { // Getting deeper...
$this->listCalls[] = array('listcontent_close',array(),$call[2]);
$this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
$this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
$this->listCalls[] = array('listcontent_open',array(),$call[2]);
// set the node/leaf state of this item's parent listitem_open to NODE
$this->listCalls[$this->listStack[$key][2]][1][1] = self::NODE;
$this->listStack[] = array($listType, $depth, count($this->listCalls) - 2);
} else { // Getting shallower ( $depth < $end[1] )
$this->listCalls[] = array('listcontent_close',array(),$call[2]);
$this->listCalls[] = array('listitem_close',array(),$call[2]);
$this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]);
// Throw away the end - done
array_pop($this->listStack);
while (1) {
$end = end($this->listStack);
$key = key($this->listStack);
if ($end[1] <= $depth) {
// Normalize depths
$depth = $end[1];
$this->listCalls[] = array('listitem_close',array(),$call[2]);
if ($end[0] == $listType) {
$this->listCalls[] = array('listitem_open',array($depth-1),$call[2]);
$this->listCalls[] = array('listcontent_open',array(),$call[2]);
// new list item, update list stack's index into current listitem_open
$this->listStack[$key][2] = count($this->listCalls) - 2;
} else {
// Switching list type...
$this->listCalls[] = array('list'.$end[0].'_close', array(), $call[2]);
$this->listCalls[] = array('list'.$listType.'_open', array(), $call[2]);
$this->listCalls[] = array('listitem_open', array($depth-1), $call[2]);
$this->listCalls[] = array('listcontent_open',array(),$call[2]);
array_pop($this->listStack);
$this->listStack[] = array($listType, $depth, count($this->listCalls) - 2);
}
break;
// Haven't dropped down far enough yet.... ( $end[1] > $depth )
} else {
$this->listCalls[] = array('listitem_close',array(),$call[2]);
$this->listCalls[] = array('list'.$end[0].'_close',array(),$call[2]);
array_pop($this->listStack);
}
}
}
}
protected function listContent($call)
{
$this->listCalls[] = $call;
}
protected function interpretSyntax($match, & $type)
{
if (substr($match, -1) == '*') {
$type = 'u';
} else {
$type = 'o';
}
// Is the +1 needed? It used to be count(explode(...))
// but I don't think the number is seen outside this handler
return substr_count(str_replace("\t", ' ', $match), ' ') + 1;
}
}

82
content/inc/Parsing/Handler/Nest.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
/**
* Generic call writer class to handle nesting of rendering instructions
* within a render instruction. Also see nest() method of renderer base class
*
* @author Chris Smith <chris@jalakai.co.uk>
*/
class Nest extends AbstractRewriter
{
protected $closingInstruction;
/**
* @inheritdoc
*
* @param CallWriterInterface $CallWriter the parser's current call writer, i.e. the one above us in the chain
* @param string $close closing instruction name, this is required to properly terminate the
* syntax mode if the document ends without a closing pattern
*/
public function __construct(CallWriterInterface $CallWriter, $close = "nest_close")
{
parent::__construct($CallWriter);
$this->closingInstruction = $close;
}
/** @inheritdoc */
public function writeCall($call)
{
$this->calls[] = $call;
}
/** @inheritdoc */
public function writeCalls($calls)
{
$this->calls = array_merge($this->calls, $calls);
}
/** @inheritdoc */
public function finalise()
{
$last_call = end($this->calls);
$this->writeCall(array($this->closingInstruction,array(), $last_call[2]));
$this->process();
$this->callWriter->finalise();
unset($this->callWriter);
}
/** @inheritdoc */
public function process()
{
// merge consecutive cdata
$unmerged_calls = $this->calls;
$this->calls = array();
foreach ($unmerged_calls as $call) $this->addCall($call);
$first_call = reset($this->calls);
$this->callWriter->writeCall(array("nest", array($this->calls), $first_call[2]));
return $this->callWriter;
}
/**
* @param array $call
*/
protected function addCall($call)
{
$key = count($this->calls);
if ($key and ($call[0] == 'cdata') and ($this->calls[$key-1][0] == 'cdata')) {
$this->calls[$key-1][1][0] .= $call[1][0];
} elseif ($call[0] == 'eol') {
// do nothing (eol shouldn't be allowed, to counter preformatted fix in #1652 & #1699)
} else {
$this->calls[] = $call;
}
}
}

49
content/inc/Parsing/Handler/Preformatted.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
class Preformatted extends AbstractRewriter
{
protected $pos;
protected $text ='';
/** @inheritdoc */
public function finalise()
{
$last_call = end($this->calls);
$this->writeCall(array('preformatted_end',array(), $last_call[2]));
$this->process();
$this->callWriter->finalise();
unset($this->callWriter);
}
/** @inheritdoc */
public function process()
{
foreach ($this->calls as $call) {
switch ($call[0]) {
case 'preformatted_start':
$this->pos = $call[2];
break;
case 'preformatted_newline':
$this->text .= "\n";
break;
case 'preformatted_content':
$this->text .= $call[1][0];
break;
case 'preformatted_end':
if (trim($this->text)) {
$this->callWriter->writeCall(array('preformatted', array($this->text), $this->pos));
}
// see FS#1699 & FS#1652, add 'eol' instructions to ensure proper triggering of following p_open
$this->callWriter->writeCall(array('eol', array(), $this->pos));
$this->callWriter->writeCall(array('eol', array(), $this->pos));
break;
}
}
return $this->callWriter;
}
}

86
content/inc/Parsing/Handler/Quote.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
class Quote extends AbstractRewriter
{
protected $quoteCalls = array();
/** @inheritdoc */
public function finalise()
{
$last_call = end($this->calls);
$this->writeCall(array('quote_end',array(), $last_call[2]));
$this->process();
$this->callWriter->finalise();
unset($this->callWriter);
}
/** @inheritdoc */
public function process()
{
$quoteDepth = 1;
foreach ($this->calls as $call) {
switch ($call[0]) {
/** @noinspection PhpMissingBreakStatementInspection */
case 'quote_start':
$this->quoteCalls[] = array('quote_open',array(),$call[2]);
// fallthrough
case 'quote_newline':
$quoteLength = $this->getDepth($call[1][0]);
if ($quoteLength > $quoteDepth) {
$quoteDiff = $quoteLength - $quoteDepth;
for ($i = 1; $i <= $quoteDiff; $i++) {
$this->quoteCalls[] = array('quote_open',array(),$call[2]);
}
} elseif ($quoteLength < $quoteDepth) {
$quoteDiff = $quoteDepth - $quoteLength;
for ($i = 1; $i <= $quoteDiff; $i++) {
$this->quoteCalls[] = array('quote_close',array(),$call[2]);
}
} else {
if ($call[0] != 'quote_start') $this->quoteCalls[] = array('linebreak',array(),$call[2]);
}
$quoteDepth = $quoteLength;
break;
case 'quote_end':
if ($quoteDepth > 1) {
$quoteDiff = $quoteDepth - 1;
for ($i = 1; $i <= $quoteDiff; $i++) {
$this->quoteCalls[] = array('quote_close',array(),$call[2]);
}
}
$this->quoteCalls[] = array('quote_close',array(),$call[2]);
$this->callWriter->writeCalls($this->quoteCalls);
break;
default:
$this->quoteCalls[] = $call;
break;
}
}
return $this->callWriter;
}
/**
* @param string $marker
* @return int
*/
protected function getDepth($marker)
{
preg_match('/>{1,}/', $marker, $matches);
$quoteLength = strlen($matches[0]);
return $quoteLength;
}
}

37
content/inc/Parsing/Handler/ReWriterInterface.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
/**
* A ReWriter takes over from the orignal call writer and handles all new calls itself until
* the process method is called and control is given back to the original writer.
*
* @property array[] $calls The list of current calls
*/
interface ReWriterInterface extends CallWriterInterface
{
/**
* ReWriterInterface constructor.
*
* This rewriter will be registered as the new call writer in the Handler.
* The original is passed as parameter
*
* @param CallWriterInterface $callWriter the original callwriter
*/
public function __construct(CallWriterInterface $callWriter);
/**
* Process any calls that have been added and add them to the
* original call writer
*
* @return CallWriterInterface the orignal call writer
*/
public function process();
/**
* Accessor for this rewriter's original CallWriter
*
* @return CallWriterInterface
*/
public function getCallWriter();
}

320
content/inc/Parsing/Handler/Table.php Normal file
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<?php
namespace dokuwiki\Parsing\Handler;
class Table extends AbstractRewriter
{
protected $tableCalls = array();
protected $maxCols = 0;
protected $maxRows = 1;
protected $currentCols = 0;
protected $firstCell = false;
protected $lastCellType = 'tablecell';
protected $inTableHead = true;
protected $currentRow = array('tableheader' => 0, 'tablecell' => 0);
protected $countTableHeadRows = 0;
/** @inheritdoc */
public function finalise()
{
$last_call = end($this->calls);
$this->writeCall(array('table_end',array(), $last_call[2]));
$this->process();
$this->callWriter->finalise();
unset($this->callWriter);
}
/** @inheritdoc */
public function process()
{
foreach ($this->calls as $call) {
switch ($call[0]) {
case 'table_start':
$this->tableStart($call);
break;
case 'table_row':
$this->tableRowClose($call);
$this->tableRowOpen(array('tablerow_open',$call[1],$call[2]));
break;
case 'tableheader':
case 'tablecell':
$this->tableCell($call);
break;
case 'table_end':
$this->tableRowClose($call);
$this->tableEnd($call);
break;
default:
$this->tableDefault($call);
break;
}
}
$this->callWriter->writeCalls($this->tableCalls);
return $this->callWriter;
}
protected function tableStart($call)
{
$this->tableCalls[] = array('table_open',$call[1],$call[2]);
$this->tableCalls[] = array('tablerow_open',array(),$call[2]);
$this->firstCell = true;
}
protected function tableEnd($call)
{
$this->tableCalls[] = array('table_close',$call[1],$call[2]);
$this->finalizeTable();
}
protected function tableRowOpen($call)
{
$this->tableCalls[] = $call;
$this->currentCols = 0;
$this->firstCell = true;
$this->lastCellType = 'tablecell';
$this->maxRows++;
if ($this->inTableHead) {
$this->currentRow = array('tablecell' => 0, 'tableheader' => 0);
}
}
protected function tableRowClose($call)
{
if ($this->inTableHead && ($this->inTableHead = $this->isTableHeadRow())) {
$this->countTableHeadRows++;
}
// Strip off final cell opening and anything after it
while ($discard = array_pop($this->tableCalls)) {
if ($discard[0] == 'tablecell_open' || $discard[0] == 'tableheader_open') {
break;
}
if (!empty($this->currentRow[$discard[0]])) {
$this->currentRow[$discard[0]]--;
}
}
$this->tableCalls[] = array('tablerow_close', array(), $call[2]);
if ($this->currentCols > $this->maxCols) {
$this->maxCols = $this->currentCols;
}
}
protected function isTableHeadRow()
{
$td = $this->currentRow['tablecell'];
$th = $this->currentRow['tableheader'];
if (!$th || $td > 2) return false;
if (2*$td > $th) return false;
return true;
}
protected function tableCell($call)
{
if ($this->inTableHead) {
$this->currentRow[$call[0]]++;
}
if (!$this->firstCell) {
// Increase the span
$lastCall = end($this->tableCalls);
// A cell call which follows an open cell means an empty cell so span
if ($lastCall[0] == 'tablecell_open' || $lastCall[0] == 'tableheader_open') {
$this->tableCalls[] = array('colspan',array(),$call[2]);
}
$this->tableCalls[] = array($this->lastCellType.'_close',array(),$call[2]);
$this->tableCalls[] = array($call[0].'_open',array(1,null,1),$call[2]);
$this->lastCellType = $call[0];
} else {
$this->tableCalls[] = array($call[0].'_open',array(1,null,1),$call[2]);
$this->lastCellType = $call[0];
$this->firstCell = false;
}
$this->currentCols++;
}
protected function tableDefault($call)
{
$this->tableCalls[] = $call;
}
protected function finalizeTable()
{
// Add the max cols and rows to the table opening
if ($this->tableCalls[0][0] == 'table_open') {
// Adjust to num cols not num col delimeters
$this->tableCalls[0][1][] = $this->maxCols - 1;
$this->tableCalls[0][1][] = $this->maxRows;
$this->tableCalls[0][1][] = array_shift($this->tableCalls[0][1]);
} else {
trigger_error('First element in table call list is not table_open');
}
$lastRow = 0;
$lastCell = 0;
$cellKey = array();
$toDelete = array();
// if still in tableheader, then there can be no table header
// as all rows can't be within <THEAD>
if ($this->inTableHead) {
$this->inTableHead = false;
$this->countTableHeadRows = 0;
}
// Look for the colspan elements and increment the colspan on the
// previous non-empty opening cell. Once done, delete all the cells
// that contain colspans
for ($key = 0; $key < count($this->tableCalls); ++$key) {
$call = $this->tableCalls[$key];
switch ($call[0]) {
case 'table_open':
if ($this->countTableHeadRows) {
array_splice($this->tableCalls, $key+1, 0, array(
array('tablethead_open', array(), $call[2])));
}
break;
case 'tablerow_open':
$lastRow++;
$lastCell = 0;
break;
case 'tablecell_open':
case 'tableheader_open':
$lastCell++;
$cellKey[$lastRow][$lastCell] = $key;
break;
case 'table_align':
$prev = in_array($this->tableCalls[$key-1][0], array('tablecell_open', 'tableheader_open'));
$next = in_array($this->tableCalls[$key+1][0], array('tablecell_close', 'tableheader_close'));
// If the cell is empty, align left
if ($prev && $next) {
$this->tableCalls[$key-1][1][1] = 'left';
// If the previous element was a cell open, align right
} elseif ($prev) {
$this->tableCalls[$key-1][1][1] = 'right';
// If the next element is the close of an element, align either center or left
} elseif ($next) {
if ($this->tableCalls[$cellKey[$lastRow][$lastCell]][1][1] == 'right') {
$this->tableCalls[$cellKey[$lastRow][$lastCell]][1][1] = 'center';
} else {
$this->tableCalls[$cellKey[$lastRow][$lastCell]][1][1] = 'left';
}
}
// Now convert the whitespace back to cdata
$this->tableCalls[$key][0] = 'cdata';
break;
case 'colspan':
$this->tableCalls[$key-1][1][0] = false;
for ($i = $key-2; $i >= $cellKey[$lastRow][1]; $i--) {
if ($this->tableCalls[$i][0] == 'tablecell_open' ||
$this->tableCalls[$i][0] == 'tableheader_open'
) {
if (false !== $this->tableCalls[$i][1][0]) {
$this->tableCalls[$i][1][0]++;
break;
}
}
}
$toDelete[] = $key-1;
$toDelete[] = $key;
$toDelete[] = $key+1;
break;
case 'rowspan':
if ($this->tableCalls[$key-1][0] == 'cdata') {
// ignore rowspan if previous call was cdata (text mixed with :::)
// we don't have to check next call as that wont match regex
$this->tableCalls[$key][0] = 'cdata';
} else {
$spanning_cell = null;
// can't cross thead/tbody boundary
if (!$this->countTableHeadRows || ($lastRow-1 != $this->countTableHeadRows)) {
for ($i = $lastRow-1; $i > 0; $i--) {
if ($this->tableCalls[$cellKey[$i][$lastCell]][0] == 'tablecell_open' ||
$this->tableCalls[$cellKey[$i][$lastCell]][0] == 'tableheader_open'
) {
if ($this->tableCalls[$cellKey[$i][$lastCell]][1][2] >= $lastRow - $i) {
$spanning_cell = $i;
break;
}
}
}
}
if (is_null($spanning_cell)) {
// No spanning cell found, so convert this cell to
// an empty one to avoid broken tables
$this->tableCalls[$key][0] = 'cdata';
$this->tableCalls[$key][1][0] = '';
break;
}
$this->tableCalls[$cellKey[$spanning_cell][$lastCell]][1][2]++;
$this->tableCalls[$key-1][1][2] = false;
$toDelete[] = $key-1;
$toDelete[] = $key;
$toDelete[] = $key+1;
}
break;
case 'tablerow_close':
// Fix broken tables by adding missing cells
$moreCalls = array();
while (++$lastCell < $this->maxCols) {
$moreCalls[] = array('tablecell_open', array(1, null, 1), $call[2]);
$moreCalls[] = array('cdata', array(''), $call[2]);
$moreCalls[] = array('tablecell_close', array(), $call[2]);
}
$moreCallsLength = count($moreCalls);
if ($moreCallsLength) {
array_splice($this->tableCalls, $key, 0, $moreCalls);
$key += $moreCallsLength;
}
if ($this->countTableHeadRows == $lastRow) {
array_splice($this->tableCalls, $key+1, 0, array(
array('tablethead_close', array(), $call[2])));
}
break;
}
}
// condense cdata
$cnt = count($this->tableCalls);
for ($key = 0; $key < $cnt; $key++) {
if ($this->tableCalls[$key][0] == 'cdata') {
$ckey = $key;
$key++;
while ($this->tableCalls[$key][0] == 'cdata') {
$this->tableCalls[$ckey][1][0] .= $this->tableCalls[$key][1][0];
$toDelete[] = $key;
$key++;
}
continue;
}
}
foreach ($toDelete as $delete) {
unset($this->tableCalls[$delete]);
}
$this->tableCalls = array_values($this->tableCalls);
}
}