mwdocgen.php

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<?php
require_once __DIR__ . '/Maintenance.php';

class MWDocGen extends Maintenance {

    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Build doxygen documentation' );

        $this->addOption( 'doxygen',
            'Path to doxygen',
            false, true );
        $this->addOption( 'version',
            'Pass a MediaWiki version',
            false, true );
        $this->addOption( 'generate-man',
            'Whether to generate man files' );
        $this->addOption( 'file',
            "Only process given file or directory. Multiple values " .
            "accepted with comma separation. Path relative to \$IP.",
            false, true );
        $this->addOption( 'output',
            'Path to write doc to',
            false, true );
        $this->addOption( 'no-extensions',
            'Ignore extensions' );
    }

    public function getDbType() {
        return Maintenance::DB_NONE;
    }

    protected function init() {
        global $IP;

        $this->doxygen = $this->getOption( 'doxygen', 'doxygen' );
        $this->mwVersion = $this->getOption( 'version', 'master' );

        $this->input = '';
        $inputs = explode( ',', $this->getOption( 'file', '' ) );
        foreach ( $inputs as $input ) {
            # Doxygen inputs are space separted and double quoted
            $this->input .= " \"$IP/$input\"";
        }

        $this->output = $this->getOption( 'output', "$IP/docs" );

        $this->inputFilter = wfShellWikiCmd( $IP . '/maintenance/mwdoc-filter.php' );
        $this->template = $IP . '/maintenance/Doxyfile';
        $this->excludes = [
            'vendor',
            'node_modules',
            'images',
            'static',
        ];
        $this->excludePatterns = [];
        if ( $this->hasOption( 'no-extensions' ) ) {
            $this->excludePatterns[] = 'extensions';
        }

        $this->doDot = `which dot`;
        $this->doMan = $this->hasOption( 'generate-man' );
    }

    public function execute() {
        global $IP;

        $this->init();

        # Build out directories we want to exclude
        $exclude = '';
        foreach ( $this->excludes as $item ) {
            $exclude .= " $IP/$item";
        }

        $excludePatterns = implode( ' ', $this->excludePatterns );

        $conf = strtr( file_get_contents( $this->template ),
            [
                '{{OUTPUT_DIRECTORY}}' => $this->output,
                '{{STRIP_FROM_PATH}}' => $IP,
                '{{CURRENT_VERSION}}' => $this->mwVersion,
                '{{INPUT}}' => $this->input,
                '{{EXCLUDE}}' => $exclude,
                '{{EXCLUDE_PATTERNS}}' => $excludePatterns,
                '{{HAVE_DOT}}' => $this->doDot ? 'YES' : 'NO',
                '{{GENERATE_MAN}}' => $this->doMan ? 'YES' : 'NO',
                '{{INPUT_FILTER}}' => $this->inputFilter,
            ]
        );

        $tmpFile = tempnam( wfTempDir(), 'MWDocGen-' );
        if ( file_put_contents( $tmpFile, $conf ) === false ) {
            $this->error( "Could not write doxygen configuration to file $tmpFile\n", 1 );
        }

        $command = $this->doxygen . ' ' . $tmpFile;
        $this->output( "Executing command:\n$command\n" );

        $exitcode = 1;
        system( $command, $exitcode );

        $this->output( <<<TEXT
---------------------------------------------------
Doxygen execution finished.
Check above for possible errors.

You might want to delete the temporary file:
 $tmpFile
---------------------------------------------------

TEXT
        );

        if ( $exitcode !== 0 ) {
            $this->error( "Something went wrong (exit: $exitcode)\n",
                $exitcode );
        }
    }
}

$maintClass = 'MWDocGen';
require_once RUN_MAINTENANCE_IF_MAIN;