--- /dev/null
+<?php
+
+/**
+ * This is the part of the wikitext parser which handles automatic paragraphs
+ * and conversion of start-of-line prefixes to HTML lists.
+ *
+ * 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
+ */
+class BlockLevelPass {
+ private $mDTopen = false;
+ private $mInPre = false;
+ private $mLastSection = '';
+ private $linestart;
+ private $text;
+
+ # State constants for the definition list colon extraction
+ const COLON_STATE_TEXT = 0;
+ const COLON_STATE_TAG = 1;
+ const COLON_STATE_TAGSTART = 2;
+ const COLON_STATE_CLOSETAG = 3;
+ const COLON_STATE_TAGSLASH = 4;
+ const COLON_STATE_COMMENT = 5;
+ const COLON_STATE_COMMENTDASH = 6;
+ const COLON_STATE_COMMENTDASHDASH = 7;
+
+ /**
+ * Make lists from lines starting with ':', '*', '#', etc.
+ *
+ * @param string $text
+ * @param bool $linestart Whether or not this is at the start of a line.
+ * @return string The lists rendered as HTML
+ */
+ public static function doBlockLevels( $text, $linestart ) {
+ $pass = new self( $text, $linestart );
+ return $pass->execute();
+ }
+
+ private function __construct( $text, $linestart ) {
+ $this->text = $text;
+ $this->linestart = $linestart;
+ }
+
+ /**
+ * @return string
+ */
+ private function closeParagraph() {
+ $result = '';
+ if ( $this->mLastSection != '' ) {
+ $result = '</' . $this->mLastSection . ">\n";
+ }
+ $this->mInPre = false;
+ $this->mLastSection = '';
+ return $result;
+ }
+
+ /**
+ * getCommon() returns the length of the longest common substring
+ * of both arguments, starting at the beginning of both.
+ *
+ * @param string $st1
+ * @param string $st2
+ *
+ * @return int
+ */
+ private function getCommon( $st1, $st2 ) {
+ $fl = strlen( $st1 );
+ $shorter = strlen( $st2 );
+ if ( $fl < $shorter ) {
+ $shorter = $fl;
+ }
+
+ for ( $i = 0; $i < $shorter; ++$i ) {
+ if ( $st1[$i] != $st2[$i] ) {
+ break;
+ }
+ }
+ return $i;
+ }
+
+ /**
+ * These next three functions open, continue, and close the list
+ * element appropriate to the prefix character passed into them.
+ *
+ * @param string $char
+ *
+ * @return string
+ */
+ private function openList( $char ) {
+ $result = $this->closeParagraph();
+
+ if ( '*' === $char ) {
+ $result .= "<ul><li>";
+ } elseif ( '#' === $char ) {
+ $result .= "<ol><li>";
+ } elseif ( ':' === $char ) {
+ $result .= "<dl><dd>";
+ } elseif ( ';' === $char ) {
+ $result .= "<dl><dt>";
+ $this->mDTopen = true;
+ } else {
+ $result = '<!-- ERR 1 -->';
+ }
+
+ return $result;
+ }
+
+ /**
+ * TODO: document
+ * @param string $char
+ *
+ * @return string
+ */
+ private function nextItem( $char ) {
+ if ( '*' === $char || '#' === $char ) {
+ return "</li>\n<li>";
+ } elseif ( ':' === $char || ';' === $char ) {
+ $close = "</dd>\n";
+ if ( $this->mDTopen ) {
+ $close = "</dt>\n";
+ }
+ if ( ';' === $char ) {
+ $this->mDTopen = true;
+ return $close . '<dt>';
+ } else {
+ $this->mDTopen = false;
+ return $close . '<dd>';
+ }
+ }
+ return '<!-- ERR 2 -->';
+ }
+
+ /**
+ * @todo Document
+ * @param string $char
+ *
+ * @return string
+ */
+ private function closeList( $char ) {
+ if ( '*' === $char ) {
+ $text = "</li></ul>";
+ } elseif ( '#' === $char ) {
+ $text = "</li></ol>";
+ } elseif ( ':' === $char ) {
+ if ( $this->mDTopen ) {
+ $this->mDTopen = false;
+ $text = "</dt></dl>";
+ } else {
+ $text = "</dd></dl>";
+ }
+ } else {
+ return '<!-- ERR 3 -->';
+ }
+ return $text;
+ }
+ /**#@-*/
+
+ private function execute() {
+ $text = $this->text;
+ # Parsing through the text line by line. The main thing
+ # happening here is handling of block-level elements p, pre,
+ # and making lists from lines starting with * # : etc.
+ $textLines = StringUtils::explode( "\n", $text );
+
+ $lastPrefix = $output = '';
+ $this->mDTopen = $inBlockElem = false;
+ $prefixLength = 0;
+ $paragraphStack = false;
+ $inBlockquote = false;
+
+ foreach ( $textLines as $oLine ) {
+ # Fix up $linestart
+ if ( !$this->linestart ) {
+ $output .= $oLine;
+ $this->linestart = true;
+ continue;
+ }
+ # * = ul
+ # # = ol
+ # ; = dt
+ # : = dd
+
+ $lastPrefixLength = strlen( $lastPrefix );
+ $preCloseMatch = preg_match( '/<\\/pre/i', $oLine );
+ $preOpenMatch = preg_match( '/<pre/i', $oLine );
+ # If not in a <pre> element, scan for and figure out what prefixes are there.
+ if ( !$this->mInPre ) {
+ # Multiple prefixes may abut each other for nested lists.
+ $prefixLength = strspn( $oLine, '*#:;' );
+ $prefix = substr( $oLine, 0, $prefixLength );
+
+ # eh?
+ # ; and : are both from definition-lists, so they're equivalent
+ # for the purposes of determining whether or not we need to open/close
+ # elements.
+ $prefix2 = str_replace( ';', ':', $prefix );
+ $t = substr( $oLine, $prefixLength );
+ $this->mInPre = (bool)$preOpenMatch;
+ } else {
+ # Don't interpret any other prefixes in preformatted text
+ $prefixLength = 0;
+ $prefix = $prefix2 = '';
+ $t = $oLine;
+ }
+
+ # List generation
+ if ( $prefixLength && $lastPrefix === $prefix2 ) {
+ # Same as the last item, so no need to deal with nesting or opening stuff
+ $output .= $this->nextItem( substr( $prefix, -1 ) );
+ $paragraphStack = false;
+
+ if ( substr( $prefix, -1 ) === ';' ) {
+ # The one nasty exception: definition lists work like this:
+ # ; title : definition text
+ # So we check for : in the remainder text to split up the
+ # title and definition, without b0rking links.
+ $term = $t2 = '';
+ if ( $this->findColonNoLinks( $t, $term, $t2 ) !== false ) {
+ $t = $t2;
+ $output .= $term . $this->nextItem( ':' );
+ }
+ }
+ } elseif ( $prefixLength || $lastPrefixLength ) {
+ # We need to open or close prefixes, or both.
+
+ # Either open or close a level...
+ $commonPrefixLength = $this->getCommon( $prefix, $lastPrefix );
+ $paragraphStack = false;
+
+ # Close all the prefixes which aren't shared.
+ while ( $commonPrefixLength < $lastPrefixLength ) {
+ $output .= $this->closeList( $lastPrefix[$lastPrefixLength - 1] );
+ --$lastPrefixLength;
+ }
+
+ # Continue the current prefix if appropriate.
+ if ( $prefixLength <= $commonPrefixLength && $commonPrefixLength > 0 ) {
+ $output .= $this->nextItem( $prefix[$commonPrefixLength - 1] );
+ }
+
+ # Open prefixes where appropriate.
+ if ( $lastPrefix && $prefixLength > $commonPrefixLength ) {
+ $output .= "\n";
+ }
+ while ( $prefixLength > $commonPrefixLength ) {
+ $char = substr( $prefix, $commonPrefixLength, 1 );
+ $output .= $this->openList( $char );
+
+ if ( ';' === $char ) {
+ # @todo FIXME: This is dupe of code above
+ if ( $this->findColonNoLinks( $t, $term, $t2 ) !== false ) {
+ $t = $t2;
+ $output .= $term . $this->nextItem( ':' );
+ }
+ }
+ ++$commonPrefixLength;
+ }
+ if ( !$prefixLength && $lastPrefix ) {
+ $output .= "\n";
+ }
+ $lastPrefix = $prefix2;
+ }
+
+ # If we have no prefixes, go to paragraph mode.
+ if ( 0 == $prefixLength ) {
+ # No prefix (not in list)--go to paragraph mode
+ # XXX: use a stack for nestable elements like span, table and div
+ $openmatch = preg_match(
+ '/(?:<table|<h1|<h2|<h3|<h4|<h5|<h6|<pre|<tr|'
+ . '<p|<ul|<ol|<dl|<li|<\\/tr|<\\/td|<\\/th)/iS',
+ $t
+ );
+ $closematch = preg_match(
+ '/(?:<\\/table|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|'
+ . '<td|<th|<\\/?blockquote|<\\/?div|<hr|<\\/pre|<\\/p|<\\/mw:|'
+ . Parser::MARKER_PREFIX
+ . '-pre|<\\/li|<\\/ul|<\\/ol|<\\/dl|<\\/?center)/iS',
+ $t
+ );
+
+ if ( $openmatch || $closematch ) {
+ $paragraphStack = false;
+ # @todo bug 5718: paragraph closed
+ $output .= $this->closeParagraph();
+ if ( $preOpenMatch && !$preCloseMatch ) {
+ $this->mInPre = true;
+ }
+ $bqOffset = 0;
+ while ( preg_match( '/<(\\/?)blockquote[\s>]/i', $t,
+ $bqMatch, PREG_OFFSET_CAPTURE, $bqOffset )
+ ) {
+ $inBlockquote = !$bqMatch[1][0]; // is this a close tag?
+ $bqOffset = $bqMatch[0][1] + strlen( $bqMatch[0][0] );
+ }
+ $inBlockElem = !$closematch;
+ } elseif ( !$inBlockElem && !$this->mInPre ) {
+ if ( ' ' == substr( $t, 0, 1 )
+ && ( $this->mLastSection === 'pre' || trim( $t ) != '' )
+ && !$inBlockquote
+ ) {
+ # pre
+ if ( $this->mLastSection !== 'pre' ) {
+ $paragraphStack = false;
+ $output .= $this->closeParagraph() . '<pre>';
+ $this->mLastSection = 'pre';
+ }
+ $t = substr( $t, 1 );
+ } else {
+ # paragraph
+ if ( trim( $t ) === '' ) {
+ if ( $paragraphStack ) {
+ $output .= $paragraphStack . '<br />';
+ $paragraphStack = false;
+ $this->mLastSection = 'p';
+ } else {
+ if ( $this->mLastSection !== 'p' ) {
+ $output .= $this->closeParagraph();
+ $this->mLastSection = '';
+ $paragraphStack = '<p>';
+ } else {
+ $paragraphStack = '</p><p>';
+ }
+ }
+ } else {
+ if ( $paragraphStack ) {
+ $output .= $paragraphStack;
+ $paragraphStack = false;
+ $this->mLastSection = 'p';
+ } elseif ( $this->mLastSection !== 'p' ) {
+ $output .= $this->closeParagraph() . '<p>';
+ $this->mLastSection = 'p';
+ }
+ }
+ }
+ }
+ }
+ # somewhere above we forget to get out of pre block (bug 785)
+ if ( $preCloseMatch && $this->mInPre ) {
+ $this->mInPre = false;
+ }
+ if ( $paragraphStack === false ) {
+ $output .= $t;
+ if ( $prefixLength === 0 ) {
+ $output .= "\n";
+ }
+ }
+ }
+ while ( $prefixLength ) {
+ $output .= $this->closeList( $prefix2[$prefixLength - 1] );
+ --$prefixLength;
+ if ( !$prefixLength ) {
+ $output .= "\n";
+ }
+ }
+ if ( $this->mLastSection != '' ) {
+ $output .= '</' . $this->mLastSection . '>';
+ $this->mLastSection = '';
+ }
+
+ return $output;
+ }
+
+ /**
+ * Split up a string on ':', ignoring any occurrences inside tags
+ * to prevent illegal overlapping.
+ *
+ * @param string $str The string to split
+ * @param string &$before Set to everything before the ':'
+ * @param string &$after Set to everything after the ':'
+ * @throws MWException
+ * @return string The position of the ':', or false if none found
+ */
+ private function findColonNoLinks( $str, &$before, &$after ) {
+ $pos = strpos( $str, ':' );
+ if ( $pos === false ) {
+ # Nothing to find!
+ return false;
+ }
+
+ $lt = strpos( $str, '<' );
+ if ( $lt === false || $lt > $pos ) {
+ # Easy; no tag nesting to worry about
+ $before = substr( $str, 0, $pos );
+ $after = substr( $str, $pos + 1 );
+ return $pos;
+ }
+
+ # Ugly state machine to walk through avoiding tags.
+ $state = self::COLON_STATE_TEXT;
+ $stack = 0;
+ $len = strlen( $str );
+ for ( $i = 0; $i < $len; $i++ ) {
+ $c = $str[$i];
+
+ switch ( $state ) {
+ # (Using the number is a performance hack for common cases)
+ case 0: # self::COLON_STATE_TEXT:
+ switch ( $c ) {
+ case "<":
+ # Could be either a <start> tag or an </end> tag
+ $state = self::COLON_STATE_TAGSTART;
+ break;
+ case ":":
+ if ( $stack == 0 ) {
+ # We found it!
+ $before = substr( $str, 0, $i );
+ $after = substr( $str, $i + 1 );
+ return $i;
+ }
+ # Embedded in a tag; don't break it.
+ break;
+ default:
+ # Skip ahead looking for something interesting
+ $colon = strpos( $str, ':', $i );
+ if ( $colon === false ) {
+ # Nothing else interesting
+ return false;
+ }
+ $lt = strpos( $str, '<', $i );
+ if ( $stack === 0 ) {
+ if ( $lt === false || $colon < $lt ) {
+ # We found it!
+ $before = substr( $str, 0, $colon );
+ $after = substr( $str, $colon + 1 );
+ return $i;
+ }
+ }
+ if ( $lt === false ) {
+ # Nothing else interesting to find; abort!
+ # We're nested, but there's no close tags left. Abort!
+ break 2;
+ }
+ # Skip ahead to next tag start
+ $i = $lt;
+ $state = self::COLON_STATE_TAGSTART;
+ }
+ break;
+ case 1: # self::COLON_STATE_TAG:
+ # In a <tag>
+ switch ( $c ) {
+ case ">":
+ $stack++;
+ $state = self::COLON_STATE_TEXT;
+ break;
+ case "/":
+ # Slash may be followed by >?
+ $state = self::COLON_STATE_TAGSLASH;
+ break;
+ default:
+ # ignore
+ }
+ break;
+ case 2: # self::COLON_STATE_TAGSTART:
+ switch ( $c ) {
+ case "/":
+ $state = self::COLON_STATE_CLOSETAG;
+ break;
+ case "!":
+ $state = self::COLON_STATE_COMMENT;
+ break;
+ case ">":
+ # Illegal early close? This shouldn't happen D:
+ $state = self::COLON_STATE_TEXT;
+ break;
+ default:
+ $state = self::COLON_STATE_TAG;
+ }
+ break;
+ case 3: # self::COLON_STATE_CLOSETAG:
+ # In a </tag>
+ if ( $c === ">" ) {
+ $stack--;
+ if ( $stack < 0 ) {
+ wfDebug( __METHOD__ . ": Invalid input; too many close tags\n" );
+ return false;
+ }
+ $state = self::COLON_STATE_TEXT;
+ }
+ break;
+ case self::COLON_STATE_TAGSLASH:
+ if ( $c === ">" ) {
+ # Yes, a self-closed tag <blah/>
+ $state = self::COLON_STATE_TEXT;
+ } else {
+ # Probably we're jumping the gun, and this is an attribute
+ $state = self::COLON_STATE_TAG;
+ }
+ break;
+ case 5: # self::COLON_STATE_COMMENT:
+ if ( $c === "-" ) {
+ $state = self::COLON_STATE_COMMENTDASH;
+ }
+ break;
+ case self::COLON_STATE_COMMENTDASH:
+ if ( $c === "-" ) {
+ $state = self::COLON_STATE_COMMENTDASHDASH;
+ } else {
+ $state = self::COLON_STATE_COMMENT;
+ }
+ break;
+ case self::COLON_STATE_COMMENTDASHDASH:
+ if ( $c === ">" ) {
+ $state = self::COLON_STATE_TEXT;
+ } else {
+ $state = self::COLON_STATE_COMMENT;
+ }
+ break;
+ default:
+ throw new MWException( "State machine error in " . __METHOD__ );
+ }
+ }
+ if ( $stack > 0 ) {
+ wfDebug( __METHOD__ . ": Invalid input; not enough close tags (stack $stack, state $state)\n" );
+ return false;
+ }
+ return false;
+ }
+}
# Regular expression for a non-newline space
const SPACE_NOT_NL = '(?:\t| |&\#0*160;|&\#[Xx]0*[Aa]0;|\p{Zs})';
- # State constants for the definition list colon extraction
- const COLON_STATE_TEXT = 0;
- const COLON_STATE_TAG = 1;
- const COLON_STATE_TAGSTART = 2;
- const COLON_STATE_CLOSETAG = 3;
- const COLON_STATE_TAGSLASH = 4;
- const COLON_STATE_COMMENT = 5;
- const COLON_STATE_COMMENTDASH = 6;
- const COLON_STATE_COMMENTDASHDASH = 7;
-
# Flags for preprocessToDom
const PTD_FOR_INCLUSION = 1;
* @var ParserOutput
*/
public $mOutput;
- public $mAutonumber, $mDTopen;
+ public $mAutonumber;
/**
* @var StripState
*/
public $mStripState;
- public $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
+ public $mIncludeCount;
/**
* @var LinkHolderArray
*/
$this->mOutput = new ParserOutput;
$this->mOptions->registerWatcher( [ $this->mOutput, 'recordOption' ] );
$this->mAutonumber = 0;
- $this->mLastSection = '';
- $this->mDTopen = false;
$this->mIncludeCount = [];
- $this->mArgStack = false;
- $this->mInPre = false;
$this->mLinkHolders = new LinkHolderArray( $this );
$this->mLinkID = 0;
$this->mRevisionObject = $this->mRevisionTimestamp =
return Linker::normalizeSubpageLink( $this->mTitle, $target, $text );
}
- /**#@+
- * Used by doBlockLevels()
- * @private
- *
- * @return string
- */
- public function closeParagraph() {
- $result = '';
- if ( $this->mLastSection != '' ) {
- $result = '</' . $this->mLastSection . ">\n";
- }
- $this->mInPre = false;
- $this->mLastSection = '';
- return $result;
- }
-
- /**
- * getCommon() returns the length of the longest common substring
- * of both arguments, starting at the beginning of both.
- * @private
- *
- * @param string $st1
- * @param string $st2
- *
- * @return int
- */
- public function getCommon( $st1, $st2 ) {
- $fl = strlen( $st1 );
- $shorter = strlen( $st2 );
- if ( $fl < $shorter ) {
- $shorter = $fl;
- }
-
- for ( $i = 0; $i < $shorter; ++$i ) {
- if ( $st1[$i] != $st2[$i] ) {
- break;
- }
- }
- return $i;
- }
-
- /**
- * These next three functions open, continue, and close the list
- * element appropriate to the prefix character passed into them.
- * @private
- *
- * @param string $char
- *
- * @return string
- */
- public function openList( $char ) {
- $result = $this->closeParagraph();
-
- if ( '*' === $char ) {
- $result .= "<ul><li>";
- } elseif ( '#' === $char ) {
- $result .= "<ol><li>";
- } elseif ( ':' === $char ) {
- $result .= "<dl><dd>";
- } elseif ( ';' === $char ) {
- $result .= "<dl><dt>";
- $this->mDTopen = true;
- } else {
- $result = '<!-- ERR 1 -->';
- }
-
- return $result;
- }
-
- /**
- * TODO: document
- * @param string $char
- * @private
- *
- * @return string
- */
- public function nextItem( $char ) {
- if ( '*' === $char || '#' === $char ) {
- return "</li>\n<li>";
- } elseif ( ':' === $char || ';' === $char ) {
- $close = "</dd>\n";
- if ( $this->mDTopen ) {
- $close = "</dt>\n";
- }
- if ( ';' === $char ) {
- $this->mDTopen = true;
- return $close . '<dt>';
- } else {
- $this->mDTopen = false;
- return $close . '<dd>';
- }
- }
- return '<!-- ERR 2 -->';
- }
-
- /**
- * @todo Document
- * @param string $char
- * @private
- *
- * @return string
- */
- public function closeList( $char ) {
- if ( '*' === $char ) {
- $text = "</li></ul>";
- } elseif ( '#' === $char ) {
- $text = "</li></ol>";
- } elseif ( ':' === $char ) {
- if ( $this->mDTopen ) {
- $this->mDTopen = false;
- $text = "</dt></dl>";
- } else {
- $text = "</dd></dl>";
- }
- } else {
- return '<!-- ERR 3 -->';
- }
- return $text;
- }
- /**#@-*/
-
/**
* Make lists from lines starting with ':', '*', '#', etc. (DBL)
*
* @return string The lists rendered as HTML
*/
public function doBlockLevels( $text, $linestart ) {
-
- # Parsing through the text line by line. The main thing
- # happening here is handling of block-level elements p, pre,
- # and making lists from lines starting with * # : etc.
- $textLines = StringUtils::explode( "\n", $text );
-
- $lastPrefix = $output = '';
- $this->mDTopen = $inBlockElem = false;
- $prefixLength = 0;
- $paragraphStack = false;
- $inBlockquote = false;
-
- foreach ( $textLines as $oLine ) {
- # Fix up $linestart
- if ( !$linestart ) {
- $output .= $oLine;
- $linestart = true;
- continue;
- }
- # * = ul
- # # = ol
- # ; = dt
- # : = dd
-
- $lastPrefixLength = strlen( $lastPrefix );
- $preCloseMatch = preg_match( '/<\\/pre/i', $oLine );
- $preOpenMatch = preg_match( '/<pre/i', $oLine );
- # If not in a <pre> element, scan for and figure out what prefixes are there.
- if ( !$this->mInPre ) {
- # Multiple prefixes may abut each other for nested lists.
- $prefixLength = strspn( $oLine, '*#:;' );
- $prefix = substr( $oLine, 0, $prefixLength );
-
- # eh?
- # ; and : are both from definition-lists, so they're equivalent
- # for the purposes of determining whether or not we need to open/close
- # elements.
- $prefix2 = str_replace( ';', ':', $prefix );
- $t = substr( $oLine, $prefixLength );
- $this->mInPre = (bool)$preOpenMatch;
- } else {
- # Don't interpret any other prefixes in preformatted text
- $prefixLength = 0;
- $prefix = $prefix2 = '';
- $t = $oLine;
- }
-
- # List generation
- if ( $prefixLength && $lastPrefix === $prefix2 ) {
- # Same as the last item, so no need to deal with nesting or opening stuff
- $output .= $this->nextItem( substr( $prefix, -1 ) );
- $paragraphStack = false;
-
- if ( substr( $prefix, -1 ) === ';' ) {
- # The one nasty exception: definition lists work like this:
- # ; title : definition text
- # So we check for : in the remainder text to split up the
- # title and definition, without b0rking links.
- $term = $t2 = '';
- if ( $this->findColonNoLinks( $t, $term, $t2 ) !== false ) {
- $t = $t2;
- $output .= $term . $this->nextItem( ':' );
- }
- }
- } elseif ( $prefixLength || $lastPrefixLength ) {
- # We need to open or close prefixes, or both.
-
- # Either open or close a level...
- $commonPrefixLength = $this->getCommon( $prefix, $lastPrefix );
- $paragraphStack = false;
-
- # Close all the prefixes which aren't shared.
- while ( $commonPrefixLength < $lastPrefixLength ) {
- $output .= $this->closeList( $lastPrefix[$lastPrefixLength - 1] );
- --$lastPrefixLength;
- }
-
- # Continue the current prefix if appropriate.
- if ( $prefixLength <= $commonPrefixLength && $commonPrefixLength > 0 ) {
- $output .= $this->nextItem( $prefix[$commonPrefixLength - 1] );
- }
-
- # Open prefixes where appropriate.
- if ( $lastPrefix && $prefixLength > $commonPrefixLength ) {
- $output .= "\n";
- }
- while ( $prefixLength > $commonPrefixLength ) {
- $char = substr( $prefix, $commonPrefixLength, 1 );
- $output .= $this->openList( $char );
-
- if ( ';' === $char ) {
- # @todo FIXME: This is dupe of code above
- if ( $this->findColonNoLinks( $t, $term, $t2 ) !== false ) {
- $t = $t2;
- $output .= $term . $this->nextItem( ':' );
- }
- }
- ++$commonPrefixLength;
- }
- if ( !$prefixLength && $lastPrefix ) {
- $output .= "\n";
- }
- $lastPrefix = $prefix2;
- }
-
- # If we have no prefixes, go to paragraph mode.
- if ( 0 == $prefixLength ) {
- # No prefix (not in list)--go to paragraph mode
- # XXX: use a stack for nestable elements like span, table and div
- $openmatch = preg_match(
- '/(?:<table|<h1|<h2|<h3|<h4|<h5|<h6|<pre|<tr|'
- . '<p|<ul|<ol|<dl|<li|<\\/tr|<\\/td|<\\/th)/iS',
- $t
- );
- $closematch = preg_match(
- '/(?:<\\/table|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|'
- . '<td|<th|<\\/?blockquote|<\\/?div|<hr|<\\/pre|<\\/p|<\\/mw:|'
- . self::MARKER_PREFIX
- . '-pre|<\\/li|<\\/ul|<\\/ol|<\\/dl|<\\/?center)/iS',
- $t
- );
-
- if ( $openmatch || $closematch ) {
- $paragraphStack = false;
- # @todo bug 5718: paragraph closed
- $output .= $this->closeParagraph();
- if ( $preOpenMatch && !$preCloseMatch ) {
- $this->mInPre = true;
- }
- $bqOffset = 0;
- while ( preg_match( '/<(\\/?)blockquote[\s>]/i', $t,
- $bqMatch, PREG_OFFSET_CAPTURE, $bqOffset )
- ) {
- $inBlockquote = !$bqMatch[1][0]; // is this a close tag?
- $bqOffset = $bqMatch[0][1] + strlen( $bqMatch[0][0] );
- }
- $inBlockElem = !$closematch;
- } elseif ( !$inBlockElem && !$this->mInPre ) {
- if ( ' ' == substr( $t, 0, 1 )
- && ( $this->mLastSection === 'pre' || trim( $t ) != '' )
- && !$inBlockquote
- ) {
- # pre
- if ( $this->mLastSection !== 'pre' ) {
- $paragraphStack = false;
- $output .= $this->closeParagraph() . '<pre>';
- $this->mLastSection = 'pre';
- }
- $t = substr( $t, 1 );
- } else {
- # paragraph
- if ( trim( $t ) === '' ) {
- if ( $paragraphStack ) {
- $output .= $paragraphStack . '<br />';
- $paragraphStack = false;
- $this->mLastSection = 'p';
- } else {
- if ( $this->mLastSection !== 'p' ) {
- $output .= $this->closeParagraph();
- $this->mLastSection = '';
- $paragraphStack = '<p>';
- } else {
- $paragraphStack = '</p><p>';
- }
- }
- } else {
- if ( $paragraphStack ) {
- $output .= $paragraphStack;
- $paragraphStack = false;
- $this->mLastSection = 'p';
- } elseif ( $this->mLastSection !== 'p' ) {
- $output .= $this->closeParagraph() . '<p>';
- $this->mLastSection = 'p';
- }
- }
- }
- }
- }
- # somewhere above we forget to get out of pre block (bug 785)
- if ( $preCloseMatch && $this->mInPre ) {
- $this->mInPre = false;
- }
- if ( $paragraphStack === false ) {
- $output .= $t;
- if ( $prefixLength === 0 ) {
- $output .= "\n";
- }
- }
- }
- while ( $prefixLength ) {
- $output .= $this->closeList( $prefix2[$prefixLength - 1] );
- --$prefixLength;
- if ( !$prefixLength ) {
- $output .= "\n";
- }
- }
- if ( $this->mLastSection != '' ) {
- $output .= '</' . $this->mLastSection . '>';
- $this->mLastSection = '';
- }
-
- return $output;
- }
-
- /**
- * Split up a string on ':', ignoring any occurrences inside tags
- * to prevent illegal overlapping.
- *
- * @param string $str The string to split
- * @param string &$before Set to everything before the ':'
- * @param string &$after Set to everything after the ':'
- * @throws MWException
- * @return string The position of the ':', or false if none found
- */
- public function findColonNoLinks( $str, &$before, &$after ) {
-
- $pos = strpos( $str, ':' );
- if ( $pos === false ) {
- # Nothing to find!
- return false;
- }
-
- $lt = strpos( $str, '<' );
- if ( $lt === false || $lt > $pos ) {
- # Easy; no tag nesting to worry about
- $before = substr( $str, 0, $pos );
- $after = substr( $str, $pos + 1 );
- return $pos;
- }
-
- # Ugly state machine to walk through avoiding tags.
- $state = self::COLON_STATE_TEXT;
- $stack = 0;
- $len = strlen( $str );
- for ( $i = 0; $i < $len; $i++ ) {
- $c = $str[$i];
-
- switch ( $state ) {
- # (Using the number is a performance hack for common cases)
- case 0: # self::COLON_STATE_TEXT:
- switch ( $c ) {
- case "<":
- # Could be either a <start> tag or an </end> tag
- $state = self::COLON_STATE_TAGSTART;
- break;
- case ":":
- if ( $stack == 0 ) {
- # We found it!
- $before = substr( $str, 0, $i );
- $after = substr( $str, $i + 1 );
- return $i;
- }
- # Embedded in a tag; don't break it.
- break;
- default:
- # Skip ahead looking for something interesting
- $colon = strpos( $str, ':', $i );
- if ( $colon === false ) {
- # Nothing else interesting
- return false;
- }
- $lt = strpos( $str, '<', $i );
- if ( $stack === 0 ) {
- if ( $lt === false || $colon < $lt ) {
- # We found it!
- $before = substr( $str, 0, $colon );
- $after = substr( $str, $colon + 1 );
- return $i;
- }
- }
- if ( $lt === false ) {
- # Nothing else interesting to find; abort!
- # We're nested, but there's no close tags left. Abort!
- break 2;
- }
- # Skip ahead to next tag start
- $i = $lt;
- $state = self::COLON_STATE_TAGSTART;
- }
- break;
- case 1: # self::COLON_STATE_TAG:
- # In a <tag>
- switch ( $c ) {
- case ">":
- $stack++;
- $state = self::COLON_STATE_TEXT;
- break;
- case "/":
- # Slash may be followed by >?
- $state = self::COLON_STATE_TAGSLASH;
- break;
- default:
- # ignore
- }
- break;
- case 2: # self::COLON_STATE_TAGSTART:
- switch ( $c ) {
- case "/":
- $state = self::COLON_STATE_CLOSETAG;
- break;
- case "!":
- $state = self::COLON_STATE_COMMENT;
- break;
- case ">":
- # Illegal early close? This shouldn't happen D:
- $state = self::COLON_STATE_TEXT;
- break;
- default:
- $state = self::COLON_STATE_TAG;
- }
- break;
- case 3: # self::COLON_STATE_CLOSETAG:
- # In a </tag>
- if ( $c === ">" ) {
- $stack--;
- if ( $stack < 0 ) {
- wfDebug( __METHOD__ . ": Invalid input; too many close tags\n" );
- return false;
- }
- $state = self::COLON_STATE_TEXT;
- }
- break;
- case self::COLON_STATE_TAGSLASH:
- if ( $c === ">" ) {
- # Yes, a self-closed tag <blah/>
- $state = self::COLON_STATE_TEXT;
- } else {
- # Probably we're jumping the gun, and this is an attribute
- $state = self::COLON_STATE_TAG;
- }
- break;
- case 5: # self::COLON_STATE_COMMENT:
- if ( $c === "-" ) {
- $state = self::COLON_STATE_COMMENTDASH;
- }
- break;
- case self::COLON_STATE_COMMENTDASH:
- if ( $c === "-" ) {
- $state = self::COLON_STATE_COMMENTDASHDASH;
- } else {
- $state = self::COLON_STATE_COMMENT;
- }
- break;
- case self::COLON_STATE_COMMENTDASHDASH:
- if ( $c === ">" ) {
- $state = self::COLON_STATE_TEXT;
- } else {
- $state = self::COLON_STATE_COMMENT;
- }
- break;
- default:
- throw new MWException( "State machine error in " . __METHOD__ );
- }
- }
- if ( $stack > 0 ) {
- wfDebug( __METHOD__ . ": Invalid input; not enough close tags (stack $stack, state $state)\n" );
- return false;
- }
- return false;
+ return BlockLevelPass::doBlockLevels( $text, $linestart );
}
/**
dépôts / lhc / web / wiklou.git / commitdiff