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Parser.php

Zuletzt modifiziert: 09.10.2024, 12:58 - Dateigröße: 5.75 KiB


 001  <?php
 002   
 003  /*
 004  * @package   s9e\TextFormatter
 005  * @copyright Copyright (c) 2010-2016 The s9e Authors
 006  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 007  */
 008  namespace s9e\TextFormatter\Plugins\PipeTables;
 009  use s9e\TextFormatter\Plugins\ParserBase;
 010  class Parser extends ParserBase
 011  {
 012      protected $pos;
 013      protected $table;
 014      protected $tableTag;
 015      protected $tables;
 016      protected $text;
 017      public function parse($text, array $matches)
 018      {
 019          $this->text = $text;
 020          if ($this->config['overwriteMarkdown'])
 021              $this->overwriteMarkdown();
 022          if ($this->config['overwriteEscapes'])
 023              $this->overwriteEscapes();
 024          $this->captureTables();
 025          $this->processTables();
 026          unset($this->tables);
 027          unset($this->text);
 028      }
 029      protected function addLine($line)
 030      {
 031          $ignoreLen = 0;
 032          if (!isset($this->table))
 033          {
 034              $this->table = array();
 035              \preg_match('/^ */', $line, $m);
 036              $ignoreLen = \strlen($m[0]);
 037              $line      = \substr($line, $ignoreLen);
 038          }
 039          $line = \preg_replace('/^( *)\\|/', '$1 ', $line);
 040          $line = \preg_replace('/\\|( *)$/', ' $1', $line);
 041          $this->table['rows'][] = array('line' => $line, 'pos' => $this->pos + $ignoreLen);
 042      }
 043      protected function addTableBody()
 044      {
 045          $i   = 1;
 046          $cnt = \count($this->table['rows']);
 047          while (++$i < $cnt)
 048              $this->addTableRow('TD', $this->table['rows'][$i]);
 049          $this->createBodyTags($this->table['rows'][2]['pos'], $this->pos);
 050      }
 051      protected function addTableCell($tagName, $align, $text)
 052      {
 053          $startPos  = $this->pos;
 054          $endPos    = $startPos + \strlen($text);
 055          $this->pos = $endPos;
 056          \preg_match('/^( *).*?( *)$/', $text, $m);
 057          if ($m[1])
 058          {
 059              $ignoreLen = \strlen($m[1]);
 060              $this->createIgnoreTag($startPos, $ignoreLen);
 061              $startPos += $ignoreLen;
 062          }
 063          if ($m[2])
 064          {
 065              $ignoreLen = \strlen($m[2]);
 066              $this->createIgnoreTag($endPos - $ignoreLen, $ignoreLen);
 067              $endPos -= $ignoreLen;
 068          }
 069          $this->createCellTags($tagName, $startPos, $endPos, $align);
 070      }
 071      protected function addTableHead()
 072      {
 073          $this->addTableRow('TH', $this->table['rows'][0]);
 074          $this->createHeadTags($this->table['rows'][0]['pos'], $this->pos);
 075      }
 076      protected function addTableRow($tagName, $row)
 077      {
 078          $this->pos = $row['pos'];
 079          foreach (\explode('|', $row['line']) as $i => $str)
 080          {
 081              if ($i > 0)
 082              {
 083                  $this->createIgnoreTag($this->pos, 1);
 084                  ++$this->pos;
 085              }
 086              $align = (empty($this->table['cols'][$i])) ? '' : $this->table['cols'][$i];
 087              $this->addTableCell($tagName, $align, $str);
 088          }
 089          $this->createRowTags($row['pos'], $this->pos);
 090      }
 091      protected function captureTables()
 092      {
 093          unset($this->table);
 094          $this->tables = array();
 095          $this->pos = 0;
 096          foreach (\explode("\n", $this->text) as $line)
 097          {
 098              if (\strpos($line, '|') === \false)
 099                  $this->endTable();
 100              else
 101                  $this->addLine($line);
 102              $this->pos += 1 + \strlen($line);
 103          }
 104          $this->endTable();
 105      }
 106      protected function createBodyTags($startPos, $endPos)
 107      {
 108          $this->parser->addTagPair('TBODY', $startPos, 0, $endPos, 0, -3);
 109      }
 110      protected function createCellTags($tagName, $startPos, $endPos, $align)
 111      {
 112          $tag = $this->parser->addTagPair($tagName, $startPos, 0, $endPos, 0, -1);
 113          if ($align)
 114              $tag->setAttribute('align', $align);
 115      }
 116      protected function createHeadTags($startPos, $endPos)
 117      {
 118          $this->parser->addTagPair('THEAD', $startPos, 0, $endPos, 0, -3);
 119      }
 120      protected function createIgnoreTag($pos, $len)
 121      {
 122          $this->tableTag->cascadeInvalidationTo($this->parser->addIgnoreTag($pos, $len, 1000));
 123      }
 124      protected function createRowTags($startPos, $endPos)
 125      {
 126          $this->parser->addTagPair('TR', $startPos, 0, $endPos, 0, -2);
 127      }
 128      protected function createSeparatorTag(array $row)
 129      {
 130          $this->createIgnoreTag($row['pos'] - 1, 1 + \strlen($row['line']));
 131      }
 132      protected function createTableTags($startPos, $endPos)
 133      {
 134          $this->tableTag = $this->parser->addTagPair('TABLE', $startPos, 0, $endPos, 0, -4);
 135      }
 136      protected function endTable()
 137      {
 138          if ($this->hasValidTable())
 139          {
 140              $this->table['cols'] = $this->parseColumnAlignments($this->table['rows'][1]['line']);
 141              $this->tables[]      = $this->table;
 142          }
 143          unset($this->table);
 144      }
 145      protected function hasValidTable()
 146      {
 147          return (isset($this->table) && \count($this->table['rows']) > 2 && $this->isValidSeparator($this->table['rows'][1]['line']));
 148      }
 149      protected function isValidSeparator($line)
 150      {
 151          return (bool) \preg_match('/^ *:?-+:?(?:(?:\\+| *\\| *):?-+:?)+ *$/', $line);
 152      }
 153      protected function overwriteBlockquoteCallback(array $m)
 154      {
 155          return \strtr($m[0], '>', ' ');
 156      }
 157      protected function overwriteEscapes()
 158      {
 159          if (\strpos($this->text, '\\|') !== \false)
 160              $this->text = \preg_replace('/\\\\[\\\\|]/', '..', $this->text);
 161      }
 162      protected function overwriteInlineCodeCallback(array $m)
 163      {
 164          return \strtr($m[0], '|', '.');
 165      }
 166      protected function overwriteMarkdown()
 167      {
 168          if (\strpos($this->text, '`') !== \false)
 169              $this->text = \preg_replace_callback('/`[^`]*`/', array($this, 'overwriteInlineCodeCallback'), $this->text);
 170          if (\strpos($this->text, '>') !== \false)
 171              $this->text = \preg_replace_callback('/^(?:> ?)+/m', array($this, 'overwriteBlockquoteCallback'), $this->text);
 172      }
 173      protected function parseColumnAlignments($line)
 174      {
 175          $align = array(
 176              0 => '',
 177              1 => 'right',
 178              2 => 'left',
 179              3 => 'center'
 180          );
 181          $cols = array();
 182          \preg_match_all('/(:?)-+(:?)/', $line, $matches, \PREG_SET_ORDER);
 183          foreach ($matches as $m)
 184          {
 185              $key = (!empty($m[1]) ? 2 : 0) + (!empty($m[2]) ? 1 : 0);
 186              $cols[] = $align[$key];
 187          }
 188          return $cols;
 189      }
 190      protected function processCurrentTable()
 191      {
 192          $firstRow = $this->table['rows'][0];
 193          $lastRow  = \end($this->table['rows']);
 194          $this->createTableTags($firstRow['pos'], $lastRow['pos'] + \strlen($lastRow['line']));
 195          $this->addTableHead();
 196          $this->createSeparatorTag($this->table['rows'][1]);
 197          $this->addTableBody();
 198      }
 199      protected function processTables()
 200      {
 201          foreach ($this->tables as $table)
 202          {
 203              $this->table = $table;
 204              $this->processCurrentTable();
 205          }
 206      }
 207  }

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Verzeichnisstruktur phpBB-3.2.0

Zuletzt modifiziert: 09.10.2024, 12:58 - Dateigröße: 5.75 KiB

Parser.php


 001  <?php
 002   
 003  /*
 004  * @package   s9e\TextFormatter
 005  * @copyright Copyright (c) 2010-2016 The s9e Authors
 006  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 007  */
 008  namespace s9e\TextFormatter\Plugins\PipeTables;
 009  use s9e\TextFormatter\Plugins\ParserBase;
 010  class Parser extends ParserBase
 011  {
 012      protected $pos;
 013      protected $table;
 014      protected $tableTag;
 015      protected $tables;
 016      protected $text;
 017      public function parse($text, array $matches)
 018      {
 019          $this->text = $text;
 020          if ($this->config['overwriteMarkdown'])
 021              $this->overwriteMarkdown();
 022          if ($this->config['overwriteEscapes'])
 023              $this->overwriteEscapes();
 024          $this->captureTables();
 025          $this->processTables();
 026          unset($this->tables);
 027          unset($this->text);
 028      }
 029      protected function addLine($line)
 030      {
 031          $ignoreLen = 0;
 032          if (!isset($this->table))
 033          {
 034              $this->table = array();
 035              \preg_match('/^ */', $line, $m);
 036              $ignoreLen = \strlen($m[0]);
 037              $line      = \substr($line, $ignoreLen);
 038          }
 039          $line = \preg_replace('/^( *)\\|/', '$1 ', $line);
 040          $line = \preg_replace('/\\|( *)$/', ' $1', $line);
 041          $this->table['rows'][] = array('line' => $line, 'pos' => $this->pos + $ignoreLen);
 042      }
 043      protected function addTableBody()
 044      {
 045          $i   = 1;
 046          $cnt = \count($this->table['rows']);
 047          while (++$i < $cnt)
 048              $this->addTableRow('TD', $this->table['rows'][$i]);
 049          $this->createBodyTags($this->table['rows'][2]['pos'], $this->pos);
 050      }
 051      protected function addTableCell($tagName, $align, $text)
 052      {
 053          $startPos  = $this->pos;
 054          $endPos    = $startPos + \strlen($text);
 055          $this->pos = $endPos;
 056          \preg_match('/^( *).*?( *)$/', $text, $m);
 057          if ($m[1])
 058          {
 059              $ignoreLen = \strlen($m[1]);
 060              $this->createIgnoreTag($startPos, $ignoreLen);
 061              $startPos += $ignoreLen;
 062          }
 063          if ($m[2])
 064          {
 065              $ignoreLen = \strlen($m[2]);
 066              $this->createIgnoreTag($endPos - $ignoreLen, $ignoreLen);
 067              $endPos -= $ignoreLen;
 068          }
 069          $this->createCellTags($tagName, $startPos, $endPos, $align);
 070      }
 071      protected function addTableHead()
 072      {
 073          $this->addTableRow('TH', $this->table['rows'][0]);
 074          $this->createHeadTags($this->table['rows'][0]['pos'], $this->pos);
 075      }
 076      protected function addTableRow($tagName, $row)
 077      {
 078          $this->pos = $row['pos'];
 079          foreach (\explode('|', $row['line']) as $i => $str)
 080          {
 081              if ($i > 0)
 082              {
 083                  $this->createIgnoreTag($this->pos, 1);
 084                  ++$this->pos;
 085              }
 086              $align = (empty($this->table['cols'][$i])) ? '' : $this->table['cols'][$i];
 087              $this->addTableCell($tagName, $align, $str);
 088          }
 089          $this->createRowTags($row['pos'], $this->pos);
 090      }
 091      protected function captureTables()
 092      {
 093          unset($this->table);
 094          $this->tables = array();
 095          $this->pos = 0;
 096          foreach (\explode("\n", $this->text) as $line)
 097          {
 098              if (\strpos($line, '|') === \false)
 099                  $this->endTable();
 100              else
 101                  $this->addLine($line);
 102              $this->pos += 1 + \strlen($line);
 103          }
 104          $this->endTable();
 105      }
 106      protected function createBodyTags($startPos, $endPos)
 107      {
 108          $this->parser->addTagPair('TBODY', $startPos, 0, $endPos, 0, -3);
 109      }
 110      protected function createCellTags($tagName, $startPos, $endPos, $align)
 111      {
 112          $tag = $this->parser->addTagPair($tagName, $startPos, 0, $endPos, 0, -1);
 113          if ($align)
 114              $tag->setAttribute('align', $align);
 115      }
 116      protected function createHeadTags($startPos, $endPos)
 117      {
 118          $this->parser->addTagPair('THEAD', $startPos, 0, $endPos, 0, -3);
 119      }
 120      protected function createIgnoreTag($pos, $len)
 121      {
 122          $this->tableTag->cascadeInvalidationTo($this->parser->addIgnoreTag($pos, $len, 1000));
 123      }
 124      protected function createRowTags($startPos, $endPos)
 125      {
 126          $this->parser->addTagPair('TR', $startPos, 0, $endPos, 0, -2);
 127      }
 128      protected function createSeparatorTag(array $row)
 129      {
 130          $this->createIgnoreTag($row['pos'] - 1, 1 + \strlen($row['line']));
 131      }
 132      protected function createTableTags($startPos, $endPos)
 133      {
 134          $this->tableTag = $this->parser->addTagPair('TABLE', $startPos, 0, $endPos, 0, -4);
 135      }
 136      protected function endTable()
 137      {
 138          if ($this->hasValidTable())
 139          {
 140              $this->table['cols'] = $this->parseColumnAlignments($this->table['rows'][1]['line']);
 141              $this->tables[]      = $this->table;
 142          }
 143          unset($this->table);
 144      }
 145      protected function hasValidTable()
 146      {
 147          return (isset($this->table) && \count($this->table['rows']) > 2 && $this->isValidSeparator($this->table['rows'][1]['line']));
 148      }
 149      protected function isValidSeparator($line)
 150      {
 151          return (bool) \preg_match('/^ *:?-+:?(?:(?:\\+| *\\| *):?-+:?)+ *$/', $line);
 152      }
 153      protected function overwriteBlockquoteCallback(array $m)
 154      {
 155          return \strtr($m[0], '>', ' ');
 156      }
 157      protected function overwriteEscapes()
 158      {
 159          if (\strpos($this->text, '\\|') !== \false)
 160              $this->text = \preg_replace('/\\\\[\\\\|]/', '..', $this->text);
 161      }
 162      protected function overwriteInlineCodeCallback(array $m)
 163      {
 164          return \strtr($m[0], '|', '.');
 165      }
 166      protected function overwriteMarkdown()
 167      {
 168          if (\strpos($this->text, '`') !== \false)
 169              $this->text = \preg_replace_callback('/`[^`]*`/', array($this, 'overwriteInlineCodeCallback'), $this->text);
 170          if (\strpos($this->text, '>') !== \false)
 171              $this->text = \preg_replace_callback('/^(?:> ?)+/m', array($this, 'overwriteBlockquoteCallback'), $this->text);
 172      }
 173      protected function parseColumnAlignments($line)
 174      {
 175          $align = array(
 176              0 => '',
 177              1 => 'right',
 178              2 => 'left',
 179              3 => 'center'
 180          );
 181          $cols = array();
 182          \preg_match_all('/(:?)-+(:?)/', $line, $matches, \PREG_SET_ORDER);
 183          foreach ($matches as $m)
 184          {
 185              $key = (!empty($m[1]) ? 2 : 0) + (!empty($m[2]) ? 1 : 0);
 186              $cols[] = $align[$key];
 187          }
 188          return $cols;
 189      }
 190      protected function processCurrentTable()
 191      {
 192          $firstRow = $this->table['rows'][0];
 193          $lastRow  = \end($this->table['rows']);
 194          $this->createTableTags($firstRow['pos'], $lastRow['pos'] + \strlen($lastRow['line']));
 195          $this->addTableHead();
 196          $this->createSeparatorTag($this->table['rows'][1]);
 197          $this->addTableBody();
 198      }
 199      protected function processTables()
 200      {
 201          foreach ($this->tables as $table)
 202          {
 203              $this->table = $table;
 204              $this->processCurrentTable();
 205          }
 206      }
 207  }

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