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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 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.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Parser
*/
/**
* @ingroup Parser
*
* @property int $startPos
*/
class PPDStackElement {
/**
* @var string Opening character (\n for heading)
*/
public $open;
/**
* @var string Matching closing character
*/
public $close;
/**
* @var string Saved prefix that may affect later processing,
* e.g. to differentiate `-{{{{` and `{{{{` after later seeing `}}}`.
*/
public $savedPrefix = '';
/**
* @var int Number of opening characters found (number of "=" for heading)
*/
public $count;
/**
* @var PPDPart[] Array of PPDPart objects describing pipe-separated parts.
*/
public $parts;
/**
* @var bool True if the open char appeared at the start of the input line.
* Not set for headings.
*/
public $lineStart;
public $partClass = PPDPart::class;
public function __construct( $data = [] ) {
$class = $this->partClass;
$this->parts = [ new $class ];
foreach ( $data as $name => $value ) {
$this->$name = $value;
}
}
public function &getAccum() {
return $this->parts[count( $this->parts ) - 1]->out;
}
public function addPart( $s = '' ) {
$class = $this->partClass;
$this->parts[] = new $class( $s );
}
/**
* @return PPDPart
*/
public function getCurrentPart() {
return $this->parts[count( $this->parts ) - 1];
}
/**
* @return array
*/
public function getFlags() {
$partCount = count( $this->parts );
$findPipe = $this->open != "\n" && $this->open != '[';
return [
'findPipe' => $findPipe,
'findEquals' => $findPipe && $partCount > 1 && !isset( $this->parts[$partCount - 1]->eqpos ),
'inHeading' => $this->open == "\n",
];
}
/**
* Get the output string that would result if the close is not found.
*
* @param bool|int $openingCount
* @return string
*/
public function breakSyntax( $openingCount = false ) {
if ( $this->open == "\n" ) {
$s = $this->savedPrefix . $this->parts[0]->out;
} else {
if ( $openingCount === false ) {
$openingCount = $this->count;
}
$s = substr( $this->open, 0, -1 );
$s .= str_repeat(
substr( $this->open, -1 ),
$openingCount - strlen( $s )
);
$s = $this->savedPrefix . $s;
$first = true;
foreach ( $this->parts as $part ) {
if ( $first ) {
$first = false;
} else {
$s .= '|';
}
$s .= $part->out;
}
}
return $s;
}
}
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