diff -r 902822492a68 -r fe660c52c48f includes/wikiengine/Parse/Mediawiki/Table.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/includes/wikiengine/Parse/Mediawiki/Table.php Wed Jun 13 16:07:17 2007 -0400 @@ -0,0 +1,286 @@ + + * @copyright 2005 bertrand Gugger + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version CVS: $Id: Table.php,v 1.7 2005/12/06 15:54:56 ritzmo Exp $ + * @link http://pear.php.net/package/Text_Wiki + */ + +/** + * Table rule parser class for Mediawiki. + * + * @category Text + * @package Text_Wiki + * @author Bertrand Gugger + * @copyright 2005 bertrand Gugger + * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 + * @version Release: @package_version@ + * @link http://pear.php.net/package/Text_Wiki + * @see Text_Wiki_Parse::Text_Wiki_Parse() + */ +class Text_Wiki_Parse_Table extends Text_Wiki_Parse { + + /** + * The regular expression used to parse the source text and find + * matches conforming to this rule. Used by the parse() method. + * + * @access public + * @var string + * @see parse() + */ + var $regex = '#^\{\|(.*?)(?:^\|\+(.*?))?(^(?:((?R))|.)*?)^\|}#msi'; + + /** + * The regular expression used in second stage to find table's rows + * used by process() to call back processRows() + * + * @access public + * @var string + * @see process() + * @see processRows() + */ + var $regexRows = '#(?:^(\||!)-|\G)(.*?)^(.*?)(?=^(?:\|-|!-|\z))#msi'; + + /** + * The regular expression used in third stage to find rows's cells + * used by processRows() to call back processCells() + * + * @access public + * @var string + * @see process() + * @see processCells() + */ + var $regexCells = + '#((?:^\||^!|\|\||!!|\G))(?:([^|\n]*?) \|(?!\|))?(.+?)(?=^\||^!|\|\||!!|\z)#msi'; + + /** + * The current table nesting depth, starts by zero + * + * @access private + * @var int + */ + var $_level = 0; + + /** + * The count of rows for this level + * + * @access private + * @var array of int + */ + var $_countRows = array(); + + /** + * The max count of cells for this level + * + * @access private + * @var array of int + */ + var $_maxCells = array(); + + /** + * The count of cells for each row + * + * @access private + * @var array of int + */ + var $_countCells = array(); + + /** + * The count of spanned cells from previous rowspans for each column + * + * @access private + * @var array of int + */ + var $_spanCells = array(); + + /** + * Generates a replacement for the matched text. Returned token options are: + * 'type' => + * 'table_start' : the start of a bullet list + * 'table_end' : the end of a bullet list + * 'row_start' : the start of a number list + * 'row_end' : the end of a number list + * 'cell_start' : the start of item text (bullet or number) + * 'cell_end' : the end of item text (bullet or number) + * 'caption_start' : the start of associated caption + * 'caption_end' : the end of associated caption + * + * 'level' => the table nesting level (starting zero) ('table_start') + * + * 'rows' => the number of rows in the table ('table_start') + * + * 'cols' => the number of columns in the table or rows + * ('table_start' and 'row_start') + * + * 'span' => column span ('cell_start') + * + * 'row_span' => row span ('cell_start') + * + * 'attr' => header optional attribute flag ('row_start' or 'cell_start') + * + * 'format' => table, row or cell optional styling ('xxx_start') + * + * @param array &$matches The array of matches from parse(). + * @return string the original text with tags replaced by delimited tokens + * which point to the the token array containing their type and definition + * @access public + */ + function process(&$matches) + { + if (array_key_exists(4, $matches)) { + $this->_level++; + $expsub = preg_replace_callback( + $this->regex, + array(&$this, 'process'), + $matches[3] + ); + $this->_level--; + } else { + $expsub = $matches[3]; + } + $this->_countRows[$this->_level] = $this->_maxCells[$this->_level] = 0; + $this->_countCells[$this->_level] = $this->_spanCells[$this->_level] = array(); + $sub = preg_replace_callback( + $this->regexRows, + array(&$this, 'processRows'), + $expsub + ); + $param = array( + 'type' => 'table_start', + 'level' => $this->_level, + 'rows' => $this->_countRows[$this->_level], + 'cols' => $this->_maxCells[$this->_level] + ); + if ($format = trim($matches[1])) { + $param['format'] = $format; + } + $ret = $this->wiki->addToken($this->rule, $param ); + if ($matches[2]) { + $ret .= $this->wiki->addToken($this->rule, array( + 'type' => 'caption_start', + 'level' => $this->_level ) ) . $matches[2] . + $this->wiki->addToken($this->rule, array( + 'type' => 'caption_end', + 'level' => $this->_level ) ); + } + $param['type'] = 'table_end'; + return $ret . $sub . $this->wiki->addToken($this->rule, $param ); + } + + /** + * Generates a replacement for the matched rows. Token options are: + * 'type' => + * 'row_start' : the start of a row + * 'row_end' : the end of a row + * + * 'order' => the row order in the table + * + * 'cols' => the count of cells in the row + * + * 'attr' => header optional attribute flag + * + * 'format' => row optional styling + * + * @param array &$matches The array of matches from process() callback. + * @return string 2 delimited tokens pointing the row params + * and containing the cells-parsed block of text between the tags + * @access public + */ + function processRows(&$matches) + { + $this->_countCells[$this->_level][$this->_countRows[$this->_level]] = 0; + $sub = preg_replace_callback( + $this->regexCells, + array(&$this, 'processCells'), + $matches[3] + ); + $param = array( + 'type' => 'row_start', + 'order' => $this->_countRows[$this->_level], + 'cols' => $this->_countCells[$this->_level][$this->_countRows[$this->_level]++] + ); + if ($matches[1] == '!') { + $param['attr'] = 'header'; + } + if ($format = trim($matches[2])) { + $param['format'] = $format; + } + if ($this->_maxCells[$this->_level] < $param['cols']) { + $this->_maxCells[$this->_level] = $param['cols']; + } + $ret = $this->wiki->addToken($this->rule, $param ); + $param['type'] = 'row_end'; + return $ret . $sub . $this->wiki->addToken($this->rule, $param ); + } + + /** + * Generates a replacement for the matched cells. Token options are: + * 'type' => + * 'cell_start' : the start of a row + * 'cell_end' : the end of a row + * + * 'order' => the cell order in the row + * + * 'cols' => the count of cells in the row + * + * 'span' => column span + * + * 'row_span' => row span + * + * 'attr' => header optional attribute flag + * + * 'format' => cell optional styling + * + * @param array &$matches The array of matches from processRows() callback. + * @return string 2 delimited tokens pointing the cell params + * and containing the block of text between the tags + * @access public + */ + function processCells(&$matches) + { + $order = & $this->_countCells[$this->_level][$this->_countRows[$this->_level]]; + while (isset($this->_spanCells[$this->_level][$order])) { + if (--$this->_spanCells[$this->_level][$order] < 2) { + unset($this->_spanCells[$this->_level][$order]); + } + $order++; + } + $param = array( + 'type' => 'cell_start', + 'attr' => $matches[1] && ($matches[1]{0} == '!') ? 'header': null, + 'span' => 1, + 'rowspan' => 1, + 'order' => $order + ); + if ($format = trim($matches[2])) { + if (preg_match('#(.*)colspan=("|\')?(\d+)(?(2)\2)(.*)#i', $format, $pieces)) { + $param['span'] = (int)$pieces[3]; + $format = $pieces[1] . $pieces[4]; + } + if (preg_match('#(.*)rowspan=("|\')?(\d+)(?(2)\2)(.*)#i', $format, $pieces)) { + $this->_spanCells[$this->_level][$order] = + $param['rowspan'] = (int)$pieces[3]; + $format = $pieces[1] . $pieces[4]; + } + $param['format'] = $format; + } + $this->_countCells[$this->_level][$this->_countRows[$this->_level]] += $param['span']; + $ret = $this->wiki->addToken($this->rule, $param); + $param['type'] = 'cell_end'; + return $ret . $matches[3] . $this->wiki->addToken($this->rule, $param ); + } +} +?>