mirror of
https://github.com/viliusle/miniPaint.git
synced 2026-02-06 15:16:44 +00:00
407 lines
10 KiB
PHP
407 lines
10 KiB
PHP
<?php
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require_once(__DIR__ . '/../config.php');
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require_once(__DIR__ . '/GoogleTranslate.php');
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use \Statickidz\GoogleTranslate;
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/**
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* translator scans javascript, html files, extracts strings and generate translation with json format.
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*/
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class Translator {
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public $files;
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public $strings;
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public $translations;
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/**
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* scan external resources
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*
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* @throws Exception
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*/
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public function scan() {
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global $SOURCE_DIRS;
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if (count($SOURCE_DIRS) == 0)
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throw new Exception('empty settings: $SOURCE_DIRS');
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foreach ($SOURCE_DIRS as $dir) {
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if (strpos($dir, '\\') !== false) {
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//windows url
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$dir = str_replace('/', '\\', $dir);
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}
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$dir = realpath($dir);
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if (is_dir($dir)) {
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//directory
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$rii = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir));
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foreach ($rii as $file) {
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if ($file->isDir()) {
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continue;
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}
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$this->files[] = $file->getPathname();
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}
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}
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else if (is_file($dir)) {
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$this->files[] = $dir;
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}
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else {
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throw new Exception('can not import object: ' . $dir);
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}
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}
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}
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/**
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* extracts strings from files
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*
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* @throws Exception
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*/
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public function extract() {
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$this->strings = array();
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foreach ($this->files as $file) {
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$content = file_get_contents($file);
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if ($content == '')
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throw new Exception('can not get file content: ' . $content);
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$strings = array();
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//drop svg
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$content = preg_replace('|<path.*/>|i', '', $content);
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//drop exceptions
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$content = preg_replace('|\/\/no-translate BEGIN[\s\S]+?\/\/no-translate END|mi', '', $content);
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//drop
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$content = stripslashes($content);
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if (stripos($file, '.js') !== false) {
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//json
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$ignore_matches = [
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'\.addEventListener',
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'\.style\.',
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'aria-label',
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'\.font',
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];
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foreach ($ignore_matches as $ignore_match) {
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$content = preg_replace('/' . $ignore_match . '.*/', '', $content);
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}
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$content = preg_replace('|[\r\n][ \t]*//.*|', "\n", $content);
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//extract between ' '
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$out = array();
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preg_match_all("/[']([^']*)[']/", $content, $out);
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$strings = array_merge($strings, $out[1]);
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//extract between " "
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$out = array();
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preg_match_all('/["]([^"]*)["]/', $content, $out);
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$strings = array_merge($strings, $out[1]);
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}
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if (stripos($file, '.htm') !== false || true) {
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//html
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$ignore_attributes = [
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'dir',
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'lang',
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'http-equiv',
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'content',
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'name',
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'rel',
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'style',
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'onclick',
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'type',
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'class',
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'id',
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'href',
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'onchange',
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'onKeyUp',
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'oninput',
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'src',
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'aria-label',
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];
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foreach ($ignore_attributes as $ignore_attribute) {
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$content = preg_replace('/' . $ignore_attribute . '="[^"]*"/', '', $content);
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}
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//extract between " "
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$out = array();
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preg_match_all('/["]([^"]*)["]/', $content, $out);
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//$strings = array_merge($strings, $out[1]);
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//extract between > <
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$out = array();
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preg_match_all('|>([^<]{1,200})<[^ ]|', $content, $out);
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$strings = array_merge($strings, $out[1]);
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}
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foreach ($strings as $string) {
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if (trim($string) == '' || substr($string, 0, 2) == './')
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continue;
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//remove tags
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$string = preg_replace('/<[^>]*>/', ' ', $string);
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$string = trim($string);
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$this->strings[] = $string;
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}
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}
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$this->strings = array_unique($this->strings);
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sort($this->strings);
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}
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/**
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* filters out some strings
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*/
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public function filter() {
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$copy = $this->strings;
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$this->strings = array();
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foreach ($copy as $string) {
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$string = trim($string);
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if (is_numeric($string)) {
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//number
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continue;
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}
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if (strlen($string) < 2) {
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//too short
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continue;
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}
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if (preg_replace("/[^A-Z0-9]+/", "", $string[0]) == '') {
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//first letter must be common uppercase letter or number
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continue;
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}
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if (is_numeric($string[0]) && strpos($string, ' ') === false) {
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//if first letter is number - try to skip some
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continue;
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}
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if (strpos($string, '(') !== false && strpos($string, ')') !== false && strpos($string, '.') !== false) {
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//function, not string
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continue;
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}
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if (strpos($string, "\n") !== false || strpos($string, "\r") !== false) {
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//multi-line
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continue;
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}
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if (preg_replace("/[^a-z]+/", "", $string) == '') {
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//all caps - not translatable
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continue;
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}
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if (strlen($string) > 30 && strpos($string, " ") === false) {
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//long word without spaces
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continue;
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}
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$this->strings[] = $string;
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}
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$this->strings = array_unique($this->strings);
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$this->strings = array_values($this->strings);
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}
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/**
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* prepare strings for translating for user
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*
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* @throws Exception
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*/
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public function prepare() {
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$this->scan();
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$this->extract();
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$this->filter();
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$data = $this->strings;
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$in_content = '';
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if (isset($_POST['in']))
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$in_content = $_POST['in'];
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echo '<textarea name="out" style="width:100%;height:25vh;">' . implode("\n", $data) . '</textarea><br /><br />';
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echo 'Translate text above with <a href="https://translate.google.com/">translator</a> and paste result below:<br /><br />';
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echo '<textarea name="in" style="width:100%;height:25vh;">' . $in_content . '</textarea><br />';
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echo '<input type="submit" name="action" value="Translate manually" />';
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}
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/**
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* combines source strings and manually translated strings to json format
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*
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* @param string $translation
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*
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* @throws Exception
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*/
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public function add_translation($translation) {
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$translation = trim($translation);
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if ($translation != '')
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$translation = explode("\n", $translation);
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else
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$translation = array();
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if (count($this->strings) == 0)
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throw new Exception('0 translations found in files.');
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if (count($this->strings) != count($translation))
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throw new Exception(count($this->strings) . ' translations imported from file, but you provided ' . count($translation) . ', it must match');
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$this->translations = new stdClass();
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foreach ($this->strings as $key => $value) {
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$translated = trim($translation[$key]);
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$this->translations->$value = $translated;
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}
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}
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/**
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* translates everything automatically
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*
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* @throws Exception
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*/
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public function auto_translate() {
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global $LANGUAGES, $LANG_DIR;
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$service = new GoogleTranslate();
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$text = implode("\n", $this->strings);
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foreach ($LANGUAGES as $lang) {
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echo "<br />$lang: ";
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$file_path = $LANG_DIR . strtolower($lang) . ".json";
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//read old translations
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$old = array();
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if (file_exists($file_path)) {
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$old = file_get_contents($file_path);
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if ($old === false)
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throw new Exception('can not open file: ' . $file_path);
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$old = json_decode($old);
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if ($old === null)
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throw new Exception($file_path . ' data is not json');
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}
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$translation = $service->translate('en', $lang, $text);
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if ($translation == '') {
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throw new Exception('empty response from translation service');
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}
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$translation = str_replace("\r", '', $translation);
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$translation = explode("\n", $translation);
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if (count($this->strings) != count($translation)) {
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throw new Exception(count($this->strings) . ' translations imported from file, but service gave: ' . count($translation) . ', it must match');
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}
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//generate array
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$this->translations = new stdClass();
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foreach ($this->strings as $key => $value) {
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$translated = trim($translation[$key]);
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$this->translations->$value = $translated;
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}
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//merge
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$merged = (object) array_merge((array) $this->translations, (array) $old);
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//remove not use elements
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foreach ($merged as $k => $v) {
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if (isset($this->translations->$k) == false) {
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$v = null;
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unset($merged->$k);
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}
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}
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$this->translations = $merged;
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//generate JSON
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$html = json_encode($this->translations, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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//save
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$written = file_put_contents($file_path, $html);
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if ($written == 0) {
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throw new Exception('can not write to: ' . $file_path);
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}
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else {
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echo 'OK';
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}
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//sleep 05-1s
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usleep(rand(500, 1000) * 1000);
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}
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}
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/**
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* saves current data as empty file
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*
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* @throws Exception
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*/
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public function save_empty() {
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global $LANG_DIR_EMPTY;
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if ($LANG_DIR_EMPTY == '')
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return;
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$data = new stdClass();
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foreach($this->strings as $value){
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$data->$value = '';
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}
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$data_encoded = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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$written = file_put_contents($LANG_DIR_EMPTY, $data_encoded);
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if ($written == 0) {
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throw new Exception('can not write to: ' . $LANG_DIR_EMPTY);
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}
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else {
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echo '<p><b>File updated: <b>' . $LANG_DIR_EMPTY . '</b></p>';
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}
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}
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/**
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* show formatted translation, use json. parameters are only for testing mode
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*/
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public function show_merged() {
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echo '<textarea style="width:100%;height:30vh;margin-top:10px;">';
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echo json_encode($this->translations, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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echo '</textarea>';
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}
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/**
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* merge two translations
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*
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* @throws Exception
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*/
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public function merge() {
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echo 'Old translations: <b>(priority on same keys)</b><br />';
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$value = '';
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if (isset($_POST['merge_old']))
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$value = $_POST['merge_old'];
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echo '<textarea style="width:100%;height:20vh;" name="merge_old">' . $value . '</textarea>';
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echo '<br /><br />';
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echo 'New translations:<br />';
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$value = '';
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if (isset($_POST['merge_new']))
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$value = $_POST['merge_new'];
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echo '<textarea style="width:100%;height:20vh;" name="merge_new">' . $value . '</textarea>';
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echo '<input type="submit" name="action" value="Merge" /><br /><br />';
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if (isset($_POST['merge_old']) == false)
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return;
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$old = json_decode($_POST['merge_old']);
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$new = json_decode($_POST['merge_new']);
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if ($old === null)
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throw new Exception('Old data is not json');
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if ($new === null)
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throw new Exception('New data is not json');
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//merge
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$merged = (object) array_merge((array) $new, (array) $old);
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//remove not use elements
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foreach ($merged as $k => $v) {
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if (isset($new->$k) == false) {
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$v = null;
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unset($merged->$k);
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}
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}
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echo '<textarea style="width:100%;height:30vh;">';
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echo json_encode($merged, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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echo '</textarea>';
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}
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}
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