wikimedia/mediawiki-extensions-Math
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Fix for tex-statement "\pagecolor{red} e^{i \pi}"

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* case 2 phabricator: "colors"
* index: 17

Bug: T327391
Change-Id: I202e13de8c07b63b0dfbff28036c9eb7fcc52db8
This commit is contained in:
Stegmujo 2023-02-28 12:36:07 +00:00
parent d23c6dc84d
commit b9011e8e5b
1 changed files with 14 additions and 7 deletions
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21
src/TexVC/Nodes/TexArray.php
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@ -40,21 +40,28 @@ class TexArray extends TexNode {
return null;
}
public function checkForColor( $node ) {
/**
* Checks if an TexNode of Literal contains color information (color, pagecolor)
* and returns info how to continue with the parsing.
* @param TexNode $node node to check if it contains color info
* @return array index 0: (bool) was color element found, index 1: (string) specified color
*/
public function checkForColor( TexNode $node ) {
if ( $node instanceof Literal ) {
$name = trim( $node->getArg() );
if ( str_contains( $name, "\\color" ) ) {
$foundOperatorContent = MMLutil::initalParseLiteralExpression( $node->getArg() );
if ( !$foundOperatorContent ) {
// discarding color elements which not specify color
$operatorContent = null;
return [ true, null ];
} else {
$operatorContent = $foundOperatorContent[2][0];
return [ true, $foundOperatorContent[2][0] ];
}
return $operatorContent;
} elseif ( str_contains( $name, "\\pagecolor" ) ) {
return [ true, null ];
}
}
return null;
return [ false, null ];
}
public function renderMML( $arguments = [], $state = [] ) {
@ -72,8 +79,8 @@ class TexArray extends TexNode {
// Pass preceding color info to state
$foundColor = $this->checkForColor( $current );
if ( $foundColor ) {
$currentColor = $foundColor;
if ( $foundColor[0] ) {
$currentColor = $foundColor[1];
// Skipping the color element itself for rendering
continue;
}