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Some more tweaks to LaTeX filter - see bug #3829.

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This commit is contained in:
thepurpleblob
2005-08-10 12:58:38 +00:00
parent 48aefd78ed
commit 82a76d38b5
2 changed files with 11 additions and 5 deletions
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filter/tex/filter.php
+5 -4
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@@ -88,7 +88,7 @@ function tex_filter ($courseid, $text) {
global $CFG;
/// Do a quick check using stripos to avoid unnecessary work
if (!preg_match('/<tex/i',$text) and !strstr($text,'$$') and !strstr($text,'\\[')) { //added one more tag (dlnsk)
if (!preg_match('/<tex/i',$text) and !strstr($text,'$$') and !strstr($text,'\\[') and !preg_match('/\[tex/i',$text)) { //added one more tag (dlnsk)
return $text;
}
@@ -119,10 +119,11 @@ function tex_filter ($courseid, $text) {
// <tex> TeX expression </tex>
// or $$ TeX expression $$
// or \[ TeX expression \] // original tag of MathType and TeXaide (dlnsk)
preg_match_all('/<tex>(.+?)<\/tex>|\$\$(.+?)\$\$|\\\\\[(.+?)\\\\\]/is', $text, $matches);
// or \[ TeX expression \] // original tag of MathType and TeXaide (dlnsk)
// or [tex] TeX expression [/tex] // somtime it's more comfortable than <tex> (dlnsk)
preg_match_all('/<tex>(.+?)<\/tex>|\$\$(.+?)\$\$|\\\\\[(.+?)\\\\\]|\\[tex\\](.+?)\\[\/tex\\]/is', $text, $matches);
for ($i=0; $i<count($matches[0]); $i++) {
$texexp = $matches[1][$i] . $matches[2][$i] . $matches[3][$i];
$texexp = $matches[1][$i] . $matches[2][$i] . $matches[3][$i] . $matches[4][$i];
$texexp = str_replace('<nolink>','',$texexp);
$texexp = str_replace('</nolink>','',$texexp);
$texexp = str_replace('<span class="nolink">','',$texexp);
filter/tex/latex.php
+6 -1
View File
@@ -51,7 +51,12 @@
$doc .= $CFG->filter_tex_latexpreamble;
$doc .= "\\pagestyle{empty}\n";
$doc .= "\\begin{document}\n";
$doc .= "$ {$formula} $\n";
//dlnsk $doc .= "$ {$formula} $\n";
if (preg_match("/^[[:space:]]*\\\\begin\\{(gather|align|alignat|multline).?\\}/i",$formula)) {
$doc .= "$formula\n";
} else {
$doc .= "$ {$formula} $\n";
}
$doc .= "\\end{document}\n";
return $doc;
}