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<?php |
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declare(strict_types=1); |
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/** |
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* BEdita, API-first content management framework |
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* Copyright 2023 Atlas Srl, Chialab Srl |
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* |
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* This file is part of BEdita: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* See LICENSE.LGPL or <http://gnu.org/licenses/lgpl-3.0.html> for more details. |
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*/ |
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namespace BEdita\I18n\Filesystem; |
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use Cake\I18n\FrozenTime; |
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/** |
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* Gettext utilities. |
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* |
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* This class contains methods to analyze and create po/pot files. |
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* It is used by the shell tasks. |
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*/ |
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class Gettext |
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{ |
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/** |
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* Analyze po file and translate it. |
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* Returns an array with the following keys: |
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* |
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* - numItems: number of items |
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* - numNotTranslated: number of not translated items |
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* - translated: number of translated items |
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* - percent: percentage of translated items |
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* |
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* @param string $filename The po file name |
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* @return array |
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*/ |
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public static function analyzePoFile($filename): array |
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{ |
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$lines = file($filename); |
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$numItems = $numNotTranslated = 0; |
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foreach ($lines as $k => $l) { |
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if (strpos($l, 'msgid "') === 0) { |
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$numItems++; |
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} |
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if (strpos($l, 'msgstr ""') === 0 && (!isset($lines[$k + 1]) || strpos($lines[$k + 1], '"') !== 0)) { |
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$numNotTranslated++; |
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} |
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} |
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$translated = $numItems - $numNotTranslated; |
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$percent = $numItems === 0 ? 0 : number_format($translated * 100. / $numItems, 1); |
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return compact('numItems', 'numNotTranslated', 'translated', 'percent'); |
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} |
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/** |
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* Header lines for po/pot file. |
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* Returns the header string. |
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* |
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* @param string $type The file type (can be 'po', 'pot') |
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* @return string |
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*/ |
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public static function header(string $type = 'po'): string |
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{ |
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$result = sprintf('msgid ""%smsgstr ""%s', "\n", "\n"); |
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$contents = [ |
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'po' => [ |
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'Project-Id-Version' => 'BEdita 4', |
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'POT-Creation-Date' => FrozenTime::now()->format('Y-m-d H:i:s'), |
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'PO-Revision-Date' => '', |
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'Last-Translator' => '', |
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'Language-Team' => 'BEdita I18N & I10N Team', |
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'Language' => '', |
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'MIME-Version' => '1.0', |
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'Content-Transfer-Encoding' => '8bit', |
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'Plural-Forms' => 'nplurals=2; plural=(n != 1);', |
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'Content-Type' => 'text/plain; charset=utf-8', |
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], |
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'pot' => [ |
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'Project-Id-Version' => 'BEdita 4', |
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'POT-Creation-Date' => FrozenTime::now()->format('Y-m-d H:i:s'), |
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'MIME-Version' => '1.0', |
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'Content-Transfer-Encoding' => '8bit', |
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'Language-Team' => 'BEdita I18N & I10N Team', |
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'Plural-Forms' => 'nplurals=2; plural=(n != 1);', |
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'Content-Type' => 'text/plain; charset=utf-8', |
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], |
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]; |
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foreach ($contents[$type] as $k => $v) { |
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$result .= sprintf('"%s: %s \n"', $k, $v) . "\n"; |
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} |
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return $result; |
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} |
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/** |
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* Write `master.pot` file with all translations. |
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* Returns an array with the following keys: |
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* |
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* - info: array of info messages |
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* - updated: boolean, true if file has been updated |
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* |
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* @return array |
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*/ |
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public static function writeMasterPot(string $localePath, array $translations): array |
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{ |
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$info = []; |
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$updated = false; |
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foreach ($translations as $domain => $poResult) { |
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$potFilename = sprintf('%s/%s.pot', $localePath, $domain); |
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$info[] = sprintf('Writing new .pot file: %s', $potFilename); |
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$file = new \SplFileInfo($potFilename); |
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$pot = $file->openFile('w'); |
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$contents = file_get_contents($potFilename); |
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// remove headers from pot file |
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$contents = preg_replace('/^msgid ""\nmsgstr ""/', '', $contents); |
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$contents = trim(preg_replace('/^"([^"]*?)"$/m', '', $contents)); |
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$lines = []; |
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ksort($poResult); |
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foreach ($poResult as $res => $contexts) { |
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sort($contexts); |
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foreach ($contexts as $ctx) { |
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$msgctxt = sprintf('msgctxt "%s"%smsgid "%s"%smsgstr ""', $ctx, "\n", $res, "\n"); |
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$msgidstr = sprintf('msgid "%s"%smsgstr ""', $res, "\n"); |
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$lines[] = !empty($ctx) ? $msgctxt : $msgidstr; |
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} |
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} |
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$result = implode("\n\n", $lines); |
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if ($contents !== $result) { |
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$pot->fwrite(sprintf("%s\n%s\n", self::header('pot'), $result)); |
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$updated = true; |
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} |
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} |
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return compact('info', 'updated'); |
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} |
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/** |
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* Write `.po` files for each locale. |
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* Returns an array with the following keys: |
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* |
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* - info: array of info messages |
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* |
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* @return array |
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*/ |
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public static function writePoFiles(array $locales, string $localePath, array &$translations): array |
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{ |
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$info = []; |
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if (empty($locales)) { |
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$info[] = 'No locales set, .po files generation skipped'; |
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return compact('info'); |
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} |
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$header = self::header('po'); |
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foreach ($locales as $loc) { |
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$potDir = $localePath . DS . $loc; |
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if (!file_exists($potDir)) { |
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mkdir($potDir); |
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} |
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$info[] = sprintf('Language: %s', $loc); |
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foreach (array_keys($translations) as $domain) { |
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$potFilename = sprintf('%s/%s.pot', $localePath, $domain); |
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$poFile = sprintf('%s/%s.po', $potDir, $domain); |
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if (!file_exists($poFile)) { |
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$newPoFile = new \SplFileInfo($poFile); |
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$newPoFile->openFile('w')->fwrite($header); |
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} |
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$info[] = sprintf('Merging %s', $poFile); |
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$mergeCmd = sprintf('msgmerge --backup=off -N -U %s %s', $poFile, $potFilename); |
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exec($mergeCmd); |
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$analysis = self::analyzePoFile($poFile); |
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$info[] = sprintf( |
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'Translated %d of %d items - %s %%', |
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$analysis['translated'], |
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$analysis['numItems'], |
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$analysis['percent'] |
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); |
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$info[] = '---------------------'; |
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} |
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} |
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return compact('info'); |
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} |
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} |
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bedita /
i18n
