Math extension:
*coding style tweaks *documentation *check for MediaWiki environment in the main setup file *add extension credits *add i18n file (only English at the moment); messages from core MessagesEn.php This is a follow-up to Brion's r85706.
This commit is contained in:
Jack Phoenix
parent
d690d96e24
commit
e0b832c637
125
Math.body.php
125
Math.body.php
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@ -5,7 +5,7 @@
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* (c) 2002-2011 Tomasz Wegrzanowski, Brion Vibber, and other MediaWiki contributors
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* GPLv2 license; info in main package.
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*
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* Contain everything related to <math> </math> parsing
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* Contains everything related to <math> </math> parsing
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* @file
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* @ingroup Parser
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*/
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@ -27,7 +27,7 @@ class MathRenderer {
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var $mathml = '';
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var $conservativeness = 0;
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function __construct( $tex, $params=array() ) {
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function __construct( $tex, $params = array() ) {
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$this->tex = $tex;
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$this->params = $params;
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}
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@ -80,46 +80,46 @@ class MathRenderer {
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$contents = wfShellExec( $cmd );
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wfDebug( "TeX output:\n $contents\n---\n" );
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if (strlen($contents) == 0) {
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if ( strlen( $contents ) == 0 ) {
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return $this->_error( 'math_unknown_error' );
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}
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$retval = substr ($contents, 0, 1);
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$retval = substr( $contents, 0, 1 );
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$errmsg = '';
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if (($retval == 'C') || ($retval == 'M') || ($retval == 'L')) {
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if ($retval == 'C') {
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if ( ( $retval == 'C' ) || ( $retval == 'M' ) || ( $retval == 'L' ) ) {
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if ( $retval == 'C' ) {
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$this->conservativeness = 2;
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} else if ($retval == 'M') {
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} elseif ( $retval == 'M' ) {
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$this->conservativeness = 1;
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} else {
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$this->conservativeness = 0;
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}
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$outdata = substr ($contents, 33);
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$outdata = substr( $contents, 33 );
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$i = strpos($outdata, "\000");
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$i = strpos( $outdata, "\000" );
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$this->html = substr($outdata, 0, $i);
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$this->mathml = substr($outdata, $i+1);
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} else if (($retval == 'c') || ($retval == 'm') || ($retval == 'l')) {
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$this->html = substr ($contents, 33);
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if ($retval == 'c') {
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$this->html = substr( $outdata, 0, $i );
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$this->mathml = substr( $outdata, $i + 1 );
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} elseif ( ( $retval == 'c' ) || ( $retval == 'm' ) || ( $retval == 'l' ) ) {
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$this->html = substr( $contents, 33 );
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if ( $retval == 'c' ) {
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$this->conservativeness = 2;
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} else if ($retval == 'm') {
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} elseif ( $retval == 'm' ) {
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$this->conservativeness = 1;
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} else {
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$this->conservativeness = 0;
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}
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$this->mathml = null;
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} else if ($retval == 'X') {
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} elseif ( $retval == 'X' ) {
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$this->html = null;
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$this->mathml = substr ($contents, 33);
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$this->mathml = substr( $contents, 33 );
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$this->conservativeness = 0;
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} else if ($retval == '+') {
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} elseif ( $retval == '+' ) {
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$this->html = null;
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$this->mathml = null;
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$this->conservativeness = 0;
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} else {
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$errbit = htmlspecialchars( substr($contents, 1) );
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$errbit = htmlspecialchars( substr( $contents, 1 ) );
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switch( $retval ) {
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case 'E':
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$errmsg = $this->_error( 'math_lexing_error', $errbit );
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@ -136,16 +136,16 @@ class MathRenderer {
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}
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if ( !$errmsg ) {
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$this->hash = substr ($contents, 1, 32);
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$this->hash = substr( $contents, 1, 32 );
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}
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wfRunHooks( 'MathAfterTexvc', array( &$this, &$errmsg ) );
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if ( $errmsg ) {
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return $errmsg;
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return $errmsg;
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}
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if (!preg_match("/^[a-f0-9]{32}$/", $this->hash)) {
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if ( !preg_match( "/^[a-f0-9]{32}$/", $this->hash ) ) {
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return $this->_error( 'math_unknown_error' );
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}
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@ -175,19 +175,22 @@ class MathRenderer {
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# Now save it back to the DB:
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if ( !wfReadOnly() ) {
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$outmd5_sql = pack('H32', $this->hash);
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$outmd5_sql = pack( 'H32', $this->hash );
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$md5_sql = pack('H32', $this->md5); # Binary packed, not hex
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$md5_sql = pack( 'H32', $this->md5 ); # Binary packed, not hex
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$dbw = wfGetDB( DB_MASTER );
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$dbw->replace( 'math', array( 'math_inputhash' ),
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array(
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'math_inputhash' => $dbw->encodeBlob($md5_sql),
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'math_outputhash' => $dbw->encodeBlob($outmd5_sql),
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'math_html_conservativeness' => $this->conservativeness,
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'math_html' => $this->html,
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'math_mathml' => $this->mathml,
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), __METHOD__
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$dbw->replace(
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'math',
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array( 'math_inputhash' ),
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array(
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'math_inputhash' => $dbw->encodeBlob( $md5_sql ),
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'math_outputhash' => $dbw->encodeBlob( $outmd5_sql ),
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'math_html_conservativeness' => $this->conservativeness,
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'math_html' => $this->html,
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'math_mathml' => $this->mathml,
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),
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__METHOD__
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);
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}
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@ -204,7 +207,7 @@ class MathRenderer {
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}
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function _error( $msg, $append = '' ) {
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$mf = htmlspecialchars( wfMsg( 'math_failure' ) );
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$mf = htmlspecialchars( wfMsg( 'math_failure' ) );
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$errmsg = htmlspecialchars( wfMsg( $msg ) );
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$source = htmlspecialchars( str_replace( "\n", ' ', $this->tex ) );
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return "<strong class='error'>$mf ($errmsg$append): $source</strong>\n";
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@ -215,16 +218,22 @@ class MathRenderer {
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$this->md5 = md5( $this->tex );
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$dbr = wfGetDB( DB_SLAVE );
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$rpage = $dbr->selectRow( 'math',
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array( 'math_outputhash','math_html_conservativeness','math_html','math_mathml' ),
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array( 'math_inputhash' => $dbr->encodeBlob(pack("H32", $this->md5))), # Binary packed, not hex
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$rpage = $dbr->selectRow(
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'math',
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array(
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'math_outputhash', 'math_html_conservativeness', 'math_html',
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'math_mathml'
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),
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array(
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'math_inputhash' => $dbr->encodeBlob( pack( "H32", $this->md5 ) ) # Binary packed, not hex
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),
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__METHOD__
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);
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if( $rpage !== false ) {
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# Tailing 0x20s can get dropped by the database, add it back on if necessary:
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$xhash = unpack( 'H32md5', $dbr->decodeBlob($rpage->math_outputhash) . " " );
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$this->hash = $xhash ['md5'];
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$xhash = unpack( 'H32md5', $dbr->decodeBlob( $rpage->math_outputhash ) . " " );
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$this->hash = $xhash['md5'];
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$this->conservativeness = $rpage->math_html_conservativeness;
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$this->html = $rpage->math_html;
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@ -261,11 +270,11 @@ class MathRenderer {
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} elseif( !is_dir( $hashpath ) || !is_writable( $hashpath ) ) {
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return false;
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}
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if ( function_exists( "link" ) ) {
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return link ( $wgMathDirectory . "/{$this->hash}.png",
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if ( function_exists( 'link' ) ) {
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return link( $wgMathDirectory . "/{$this->hash}.png",
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$hashpath . "/{$this->hash}.png" );
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} else {
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return rename ( $wgMathDirectory . "/{$this->hash}.png",
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return rename( $wgMathDirectory . "/{$this->hash}.png",
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$hashpath . "/{$this->hash}.png" );
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}
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}
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@ -286,9 +295,11 @@ class MathRenderer {
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array( 'xmlns' => 'http://www.w3.org/1998/Math/MathML' ) ),
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$this->mathml );
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}
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if (($this->mode == MW_MATH_PNG) || ($this->html == '') ||
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(($this->mode == MW_MATH_SIMPLE) && ($this->conservativeness != 2)) ||
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(($this->mode == MW_MATH_MODERN || $this->mode == MW_MATH_MATHML) && ($this->conservativeness == 0))) {
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if ( ( $this->mode == MW_MATH_PNG ) || ( $this->html == '' ) ||
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( ( $this->mode == MW_MATH_SIMPLE ) && ( $this->conservativeness != 2 ) ) ||
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( ( $this->mode == MW_MATH_MODERN || $this->mode == MW_MATH_MATHML ) && ( $this->conservativeness == 0 ) )
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)
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{
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return $this->_linkToMathImage();
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} else {
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return Xml::tags( 'span',
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@ -296,11 +307,12 @@ class MathRenderer {
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array( 'class' => 'texhtml',
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'dir' => 'ltr'
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) ),
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$this->html );
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$this->html
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);
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}
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}
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function _attribs( $tag, $defaults=array(), $overrides=array() ) {
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function _attribs( $tag, $defaults = array(), $overrides = array() ) {
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$attribs = Sanitizer::validateTagAttributes( $this->params, $tag );
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$attribs = Sanitizer::mergeAttributes( $defaults, $attribs );
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$attribs = Sanitizer::mergeAttributes( $attribs, $overrides );
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@ -315,9 +327,13 @@ class MathRenderer {
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'img',
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array(
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'class' => 'tex',
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'alt' => $this->tex ),
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'alt' => $this->tex
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),
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array(
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'src' => $url ) ) );
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'src' => $url
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)
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)
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);
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}
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function _mathImageUrl() {
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@ -328,21 +344,22 @@ class MathRenderer {
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function _getHashPath() {
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global $wgMathDirectory;
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$path = $wgMathDirectory .'/' . $this->_getHashSubPath();
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$path = $wgMathDirectory . '/' . $this->_getHashSubPath();
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wfDebug( "TeX: getHashPath, hash is: $this->hash, path is: $path\n" );
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return $path;
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}
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function _getHashSubPath() {
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return substr($this->hash, 0, 1)
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.'/'. substr($this->hash, 1, 1)
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.'/'. substr($this->hash, 2, 1);
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return substr( $this->hash, 0, 1)
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. '/' . substr( $this->hash, 1, 1 )
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. '/' . substr( $this->hash, 2, 1 );
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}
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public static function renderMath( $tex, $params=array(), ParserOptions $parserOptions = null ) {
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public static function renderMath( $tex, $params = array(), ParserOptions $parserOptions = null ) {
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$math = new MathRenderer( $tex, $params );
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if ( $parserOptions )
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if ( $parserOptions ) {
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$math->setOutputMode( $parserOptions->getMath() );
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}
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return $math->render();
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}
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}
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@ -7,30 +7,55 @@
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*/
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class MathHooks {
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/**
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* Set up $wgMathPath and $wgMathDirectory globals if they're not already
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* set.
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*/
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static function setup() {
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global $wgMathPath, $wgMathDirectory;
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global $wgUploadPath, $wgUploadDirectory;
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if ( $wgMathPath === false ) $wgMathPath = "{$wgUploadPath}/math";
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if ( $wgMathDirectory === false ) $wgMathDirectory = "{$wgUploadDirectory}/math";
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if ( $wgMathPath === false ) {
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$wgMathPath = "{$wgUploadPath}/math";
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}
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if ( $wgMathDirectory === false ) {
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$wgMathDirectory = "{$wgUploadDirectory}/math";
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}
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}
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static function onParserFirstCallInit($parser)
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{
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/**
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* Register the <math> tag with the Parser.
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*
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* @param $parser Object: instance of Parser
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* @return Boolean: true
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*/
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static function onParserFirstCallInit( $parser ) {
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$parser->setHook( 'math', array( 'MathHooks', 'mathTagHook' ) );
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return true;
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}
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/**
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* @param $content
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* @param $attributes
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* Callback function for the <math> parser hook.
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*
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* @param $content
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* @param $attributes
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* @param $parser Parser
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* @return
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*/
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static function mathTagHook( $content, $attributes, $parser ) {
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global $wgContLang;
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return $wgContLang->armourMath( MathRenderer::renderMath( $content, $attributes, $parser->getOptions() ) );
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$renderedMath = MathRenderer::renderMath(
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$content, $attributes, $parser->getOptions()
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);
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return $wgContLang->armourMath( $renderedMath );
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}
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/**
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* Add the new math rendering options to Special:Preferences.
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*
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* @param $user Object: current User object
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* @param $defaultPreferences Object: Preferences object
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* @return Boolean: true
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*/
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static function onGetPreferences( $user, &$defaultPreferences ) {
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global $wgLang;
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$defaultPreferences['math'] = array(
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@ -0,0 +1,38 @@
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<?php
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/**
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* Internationalization file for the Math extension.
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*
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* @file
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* @ingroup Extensions
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*/
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$messages = array();
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/** English */
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$messages['en'] = array(
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// Edit toolbar stuff shown on ?action=edit (example text & tooltip)
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'math_sample' => 'Insert formula here',
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'math_tip' => 'Mathematical formula (LaTeX)',
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// Header on Special:Preferences (or something)
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'prefs-math' => 'Math',
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// Math options
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'mw_math_png' => 'Always render PNG',
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'mw_math_simple' => 'HTML if very simple or else PNG',
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'mw_math_html' => 'HTML if possible or else PNG',
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'mw_math_source' => 'Leave it as TeX (for text browsers)',
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'mw_math_modern' => 'Recommended for modern browsers',
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'mw_math_mathml' => 'MathML if possible (experimental)',
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// Math errors
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'math_failure' => 'Failed to parse',
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'math_unknown_error' => 'unknown error',
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'math_unknown_function' => 'unknown function',
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'math_lexing_error' => 'lexing error',
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'math_syntax_error' => 'syntax error',
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'math_image_error' => 'PNG conversion failed; check for correct installation of latex and dvipng (or dvips + gs + convert)',
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'math_bad_tmpdir' => 'Cannot write to or create math temp directory',
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'math_bad_output' => 'Cannot write to or create math output directory',
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'math_notexvc' => 'Missing texvc executable; please see math/README to configure.',
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);
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48
Math.php
48
Math.php
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@ -2,21 +2,41 @@
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/**
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* MediaWiki math extension
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*
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* (c) 2002-2011 various MediaWiki contributors
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* GPLv2 license; info in main package.
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* @file
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* @ingroup Extensions
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* @version 1.0
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* @author Tomasz Wegrzanowski
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* @author Brion Vibber
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* @copyright © 2002-2011 various MediaWiki contributors
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* @license GPLv2 license; info in main package.
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* @link http://www.mediawiki.org/wiki/Extension:Math Documentation
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* @see https://bugzilla.wikimedia.org/show_bug.cgi?id=14202
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*/
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if ( !defined( 'MEDIAWIKI' ) ) {
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die( "This is not a valid entry point to MediaWiki.\n" );
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}
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// Extension credits that will show up on Special:Version
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$wgExtensionCredits['parserhook'][] = array(
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'name' => 'Math',
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'version' => '1.0',
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'author' => array( 'Tomasz Wegrzanowski', 'Brion Vibber', '...' ),
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'description' => 'Render mathematical formulas between <code><math></code> ... <code></math></code> tags',
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'url' => 'http://www.mediawiki.org/wiki/Extension:Math',
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);
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/** For back-compat */
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$wgUseTeX = true;
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/** Location of the texvc binary */
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$wgTexvc = dirname( __FILE__ ) . '/math/texvc';
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/**
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* Texvc background color
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* use LaTeX color format as used in \special function
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* for transparent background use value 'Transparent' for alpha transparency or
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* 'transparent' for binary transparency.
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*/
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* Texvc background color
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* use LaTeX color format as used in \special function
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* for transparent background use value 'Transparent' for alpha transparency or
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* 'transparent' for binary transparency.
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*/
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$wgTexvcBackgroundColor = 'transparent';
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/**
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@ -32,14 +52,13 @@ $wgTexvcBackgroundColor = 'transparent';
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*/
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$wgMathCheckFiles = true;
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/**
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* The URL path of the math directory. Defaults to "{$wgUploadPath}/math".
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*
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* See http://www.mediawiki.org/wiki/Manual:Enable_TeX for details about how to
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* set up mathematical formula display.
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*/
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$wgMathPath = false;
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$wgMathPath = false;
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/**
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* The filesystem path of the math directory.
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@ -48,7 +67,7 @@ $wgMathPath = false;
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* See http://www.mediawiki.org/wiki/Manual:Enable_TeX for details about how to
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||||
* set up mathematical formula display.
|
||||
*/
|
||||
$wgMathDirectory = false;
|
||||
$wgMathDirectory = false;
|
||||
|
||||
|
||||
////////// end of config settings.
|
||||
|
|
@ -58,7 +77,10 @@ $wgExtensionFunctions[] = 'MathHooks::setup';
|
|||
$wgHooks['ParserFirstCallInit'][] = 'MathHooks::onParserFirstCallInit';
|
||||
$wgHooks['GetPreferences'][] = 'MathHooks::onGetPreferences';
|
||||
|
||||
$wgAutoloadClasses['MathHooks'] = dirname( __FILE__ ) . '/Math.hooks.php';
|
||||
$wgAutoloadClasses['MathRenderer'] = dirname( __FILE__ ) . '/Math.body.php';
|
||||
$dir = dirname( __FILE__ ) . '/';
|
||||
$wgAutoloadClasses['MathHooks'] = $dir . 'Math.hooks.php';
|
||||
$wgAutoloadClasses['MathRenderer'] = $dir . 'Math.body.php';
|
||||
|
||||
$wgParserTestFiles[] = dirname( __FILE__ ) . "/mathParserTests.txt";
|
||||
$wgExtensionMessagesFiles['Math'] = $dir . 'Math.i18n.php';
|
||||
|
||||
$wgParserTestFiles[] = $dir . 'mathParserTests.txt';
|
||||
Loading…
Reference in New Issue