checkDupeMessages.php

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<?php
$optionsWithArgs = [ 'lang', 'clang', 'mode' ];
require_once __DIR__ . '/../commandLine.inc';
$messagesDir = __DIR__ . '/../../languages/messages/';
$runTest = false;
$run = false;
$runMode = 'text';

// Check parameters
if ( isset( $options['lang'] ) && isset( $options['clang'] ) ) {
    if ( !isset( $options['mode'] ) ) {
        $runMode = 'text';
    } else {
        if ( !strcmp( $options['mode'], 'wiki' ) ) {
            $runMode = 'wiki';
        } elseif ( !strcmp( $options['mode'], 'php' ) ) {
            $runMode = 'php';
        } elseif ( !strcmp( $options['mode'], 'raw' ) ) {
            $runMode = 'raw';
        } else {
        }
    }
    $runTest = true;
} else {
    echo <<<TEXT
Run this script to print out the duplicates against a message array.
Parameters:
    * lang:  Language code to be checked.
    * clang: Language code to be compared.
Options:
    * mode:  Output format, can be either:
        * text:   Text output on the console (default)
        * wiki:   Wiki format, with * at beginning of each line
        * php:    Output text as PHP syntax in an array named \$dupeMessages
        * raw:    Raw output for duplicates
TEXT;
}

// Check file exists
if ( $runTest ) {
    $langCode = $options['lang'];
    $langCodeC = $options['clang'];
    $langCodeF = ucfirst( strtolower( preg_replace( '/-/', '_', $langCode ) ) );
    $langCodeFC = ucfirst( strtolower( preg_replace( '/-/', '_', $langCodeC ) ) );
    $messagesFile = $messagesDir . 'Messages' . $langCodeF . '.php';
    $messagesFileC = $messagesDir . 'Messages' . $langCodeFC . '.php';
    if ( file_exists( $messagesFile ) && file_exists( $messagesFileC ) ) {
        $run = true;
    } else {
        echo "Messages file(s) could not be found.\nMake sure both files are exists.\n";
    }
}

// Run to check the dupes
if ( $run ) {
    if ( !strcmp( $runMode, 'wiki' ) ) {
        $runMode = 'wiki';
    } elseif ( !strcmp( $runMode, 'raw' ) ) {
        $runMode = 'raw';
    }
    include $messagesFile;
    $messageExist = isset( $messages );
    if ( $messageExist ) {
        $wgMessages[$langCode] = $messages;
    }
    include $messagesFileC;
    $messageCExist = isset( $messages );
    if ( $messageCExist ) {
        $wgMessages[$langCodeC] = $messages;
    }
    $count = 0;

    if ( ( $messageExist ) && ( $messageCExist ) ) {

        if ( !strcmp( $runMode, 'php' ) ) {
            print "<?php\n";
            print '$dupeMessages = array(' . "\n";
        }
        foreach ( $wgMessages[$langCodeC] as $key => $value ) {
            foreach ( $wgMessages[$langCode] as $ckey => $cvalue ) {
                if ( !strcmp( $key, $ckey ) ) {
                    if ( ( !strcmp( $key, $ckey ) ) && ( !strcmp( $value, $cvalue ) ) ) {
                        if ( !strcmp( $runMode, 'raw' ) ) {
                            print "$key\n";
                        } elseif ( !strcmp( $runMode, 'php' ) ) {
                            print "'$key' => '',\n";
                        } elseif ( !strcmp( $runMode, 'wiki' ) ) {
                            $uKey = ucfirst( $key );
                            print "* MediaWiki:$uKey/$langCode\n";
                        } else {
                            print "* $key\n";
                        }
                        $count++;
                    }
                }
            }
        }
        if ( !strcmp( $runMode, 'php' ) ) {
            print ");\n";
        }
        if ( !strcmp( $runMode, 'text' ) ) {
            if ( $count == 1 ) {
                echo "\nThere are $count duplicated message in $langCode, against to $langCodeC.\n";
            } else {
                echo "\nThere are $count duplicated messages in $langCode, against to $langCodeC.\n";
            }
        }
    } else {
        if ( !$messageExist ) {
            echo "There are no messages defined in $langCode.\n";
        }
        if ( !$messageCExist ) {
            echo "There are no messages defined in $langCodeC.\n";
        }
    }
}