Lang: Add script to create a po file from a trad4all.php file

tests/scripts/lang/generate_gettext_file.php

@@ -0,0 +1,80 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+
+exit;
+
+// Generates a po file from a trad4all.inc.php file.
+
+require_once __DIR__.'/../../../vendor/autoload.php';
+
+ini_set('memory_limit', '600M');
+
+// 1. Source trad4all.inc.php
+$langPath = __DIR__.'/../../../trad4all.inc.php';
+// 2. Destination po file
+$destinationFile = __DIR__.'/../../../trad4all.inc.php.po';
+// 3. Iso code
+$languageCode = 'fr_FR';
+
+$originalFile = __DIR__.'/../../../public/main/lang/english/trad4all.inc.php';
+$terms = SubLanguageManager::get_all_language_variable_in_file(
+    $originalFile,
+    true
+);
+
+foreach ($terms as $index => $translation) {
+    $terms[$index] = trim(rtrim($translation, ';'), '"');
+}
+
+$header = 'msgid ""'."\n".'msgstr ""'."\n".
+    '"Project-Id-Version: chamilo\n"'."\n".
+    '"Language: '.$languageCode.'\n"'."\n".
+    '"Content-Type: text/plain; charset=UTF-8\n"'."\n".
+    '"Content-Transfer-Encoding: 8bit\n"'."\n\n";
+file_put_contents($destinationFile, $header);
+
+$originalTermsInLanguage = SubLanguageManager::get_all_language_variable_in_file(
+    $langPath,
+    true
+);
+foreach ($originalTermsInLanguage as $id => $content) {    
+    if (!isset($termsInLanguage[$id])) {
+        $termsInLanguage[$id] = trim(rtrim($content, ';'), '"');
+    }
+}
+
+$bigString = '';
+$bigStringPot = '';
+$doneTranslations = [];
+foreach ($terms as $term => $englishTranslation) {
+    if (isset($doneTranslations[$englishTranslation])) {
+        continue;
+    }
+    $doneTranslations[$englishTranslation] = true;
+    $translatedTerm = '';
+    if (!empty($termsInLanguage[$term])) {
+        $translatedTerm = $termsInLanguage[$term];
+    }
+    // Here we apply a little correction to avoid unterminated strings
+    // when a string ends with a \"
+    if (preg_match('/\\\$/', $englishTranslation)) {
+        $englishTranslation .= '"';
+    }
+    $englishTranslation2 = '';
+    $search = ['\\{', '\\}', '\\(', '\\)', '\\;'];
+    $replace = ['\\\\{', '\\\\}', '\\\\(', '\\\\)', '\\\\;'];
+    $englishTranslation = str_replace($search, $replace, $englishTranslation);
+    if (preg_match('/\\\$/', $translatedTerm)) {
+        $translatedTerm .= '"';
+    }
+    $translatedTerm = str_replace($search, $replace, $translatedTerm);
+    if (empty($translatedTerm)) {
+        continue;
+    }
+    // Now build the line
+    $bigString .= 'msgid "'.$englishTranslation.'"'."\n".'msgstr "'.$translatedTerm.'"'."\n\n";
+}
+file_put_contents($destinationFile, $bigString, FILE_APPEND);
+
+echo "Done generating gettext file in $destinationFile !\n";