Add fallback i18n if strings are missing from locale (#26)
On page load, at most three locales are loaded: user locale from Accept-Language, the default locale (if they aren't the same), and the template locale. Using function getIntlString(), if the user locale doesn't have a string, the string is fetched from the default locale (if they aren't the same), and then, finally, if neither the user or the default locale have the string, it is taken from the template (which only contains string labels). The lang attribute is set when possible. Reviewed-on: #26 Co-authored-by: Denise <denisebitca@42l.fr> Co-committed-by: Denise <denisebitca@42l.fr>
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70490efb44
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1 changed files with 53 additions and 21 deletions
74
index.php
74
index.php
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@ -27,7 +27,39 @@ if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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}
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}
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}
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require "locales/" . $locale . ".php";
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require "locales/" . $locale . ".php";
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$chosen_loc = $loc;
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if ($locale != DEFAULT_LOCALE) {
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require "locales/" . DEFAULT_LOCALE . ".php";
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$default_loc = $loc;
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} else
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$default_loc = $chosen_loc;
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require "locales/template.php";
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$template_loc = $loc;
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// Function to get a specific string from the locale file, fall back on default then template if missing
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function getIntlString(
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$string_label,
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$raw = false
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) {
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global $chosen_loc, $default_loc, $template_loc, $locale;
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if (array_key_exists($string_label, $chosen_loc))
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return $chosen_loc[$string_label];
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if ($locale != DEFAULT_LOCALE AND array_key_exists($string_label, $default_loc)) {
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if ($raw)
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return $default_loc[$string_label];
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return "<span lang=\"" . DEFAULT_LOCALE . "\">" . $default_loc[$string_label] . "</span>";
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}
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if ($raw)
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return $template_loc[$string_label];
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return "<span lang=\"en\">" . $template_loc[$string_label] . "</span>";
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}
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$params = array(
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"txt" => "",
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@ -147,8 +179,8 @@ if (
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<html lang="<?= $locale ?>">
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<head>
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<meta charset="utf-8">
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<title>LibreQR · <?= $loc['subtitle'] ?></title>
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<meta name="description" content="<?= $loc['description'] ?>">
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<title>LibreQR · <?= getIntlString('subtitle') ?></title>
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<meta name="description" content="<?= getIntlString('description', raw: true) ?>">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta name="color-scheme" content="dark light">
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<meta name="application-name" content="LibreQR">
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@ -174,7 +206,7 @@ foreach($themeDimensionsIcons as $dimFav) // Set all icons dimensions
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<a id="linkTitles" href="./">
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<div id="titles">
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<h1>LibreQR</h1>
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<h2><?= $loc['subtitle'] ?></h2>
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<h2><?= getIntlString('subtitle') ?></h2>
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</div>
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</a>
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</header>
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@ -183,21 +215,21 @@ foreach($themeDimensionsIcons as $dimFav) // Set all icons dimensions
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<div class="param" id="txtParam">
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<details>
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<summary><label for="txt"><?= $loc['label_content'] ?></label></summary>
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<summary><label for="txt"><?= getIntlString('label_content') ?></label></summary>
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<div class="helpText">
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<?= $loc['help_content'] ?>
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<?= getIntlString('help_content') ?>
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</div>
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</details>
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<textarea rows="3" required="" id="txt" placeholder="<?= $loc['placeholder'] ?>" name="txt"><?= htmlspecialchars($params['txt']) ?></textarea>
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<textarea rows="3" required="" id="txt" placeholder="<?= getIntlString('placeholder', raw: true) ?>" name="txt"><?= htmlspecialchars($params['txt']) ?></textarea>
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</div>
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<div id="sideParams">
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<div class="param">
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<details>
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<summary><label for="redundancy"><?= $loc['label_redundancy'] ?></label></summary>
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<summary><label for="redundancy"><?= getIntlString('label_redundancy') ?></label></summary>
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<p class="helpText">
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<?= $loc['help_redundancy'] ?>
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<?= getIntlString('help_redundancy') ?>
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</p>
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</details>
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<select id="redundancy" name="redundancy">
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@ -210,9 +242,9 @@ foreach($themeDimensionsIcons as $dimFav) // Set all icons dimensions
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<div class="param">
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<details>
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<summary><label for="margin"><?= $loc['label_margin'] ?></label></summary>
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<summary><label for="margin"><?= getIntlString('label_margin') ?></label></summary>
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<p class="helpText">
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<?= $loc['help_margin'] ?>
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<?= getIntlString('help_margin') ?>
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</p>
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</details>
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<input type="number" id="margin" placeholder="<?= DEFAULT_MARGIN ?>" name="margin" required="" min="0" max="1024" value="<?= htmlspecialchars($params['margin']) ?>">
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@ -220,9 +252,9 @@ foreach($themeDimensionsIcons as $dimFav) // Set all icons dimensions
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<div class="param">
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<details>
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<summary><label for="size"><?= $loc['label_size'] ?></label></summary>
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<summary><label for="size"><?= getIntlString('label_size') ?></label></summary>
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<p class="helpText">
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<?= $loc['help_size'] ?>
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<?= getIntlString('help_size') ?>
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</p>
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</details>
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<input type="number" id="size" placeholder="<?= DEFAULT_SIZE ?>" name="size" required="" min="21" max="4096" value="<?= htmlspecialchars($params['size']) ?>">
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@ -232,17 +264,17 @@ foreach($themeDimensionsIcons as $dimFav) // Set all icons dimensions
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<div id="colors">
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<div class="param">
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<label for="bgColor"><?= $loc['label_bgColor'] ?></label>
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<label for="bgColor"><?= getIntlString('label_bgColor') ?></label>
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<input type="color" name="bgColor" id="bgColor" value="#<?= htmlspecialchars($params['bgColor']) ?>">
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</div>
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<div class="param">
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<label for="fgColor"><?= $loc['label_fgColor'] ?></label>
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<label for="fgColor"><?= getIntlString('label_fgColor') ?></label>
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<input type="color" name="fgColor" id="fgColor" value="#<?= htmlspecialchars($params['fgColor']) ?>">
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</div>
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</div>
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<div class="centered">
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<input class="button" type="submit" value="<?= $loc['button_create'] ?>" />
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<input class="button" type="submit" value="<?= getIntlString('button_create', raw: true) ?>" />
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</div>
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</form>
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@ -258,11 +290,11 @@ if ($qrCodeAvailable) {
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<section id="output">
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<div class="centered" id="downloadQR">
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<a href="<?= $dataUri ?>" class="button" download="<?= htmlspecialchars($params['txt']); ?>.png"><?= $loc['button_download'] ?></a>
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<a href="<?= $dataUri ?>" class="button" download="<?= htmlspecialchars($params['txt']); ?>.png"><?= getIntlString('button_download') ?></a>
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</div>
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<div class="centered" id="showOnlyQR">
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<a title="<?= $loc['title_showOnlyQR'] ?>" href="<?= $dataUri ?>"><img width="<?= $qrSize ?>" height="<?= $qrSize ?>" alt='<?= $loc['alt_QR_before'] ?><?= htmlspecialchars($params['txt']); ?><?= $loc['alt_QR_after'] ?>' id="qrCode"<?php
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<a title="<?= getIntlString('title_showOnlyQR', raw: true) ?>" href="<?= $dataUri ?>"><img width="<?= $qrSize ?>" height="<?= $qrSize ?>" alt='<?= getIntlString('alt_QR_before', raw: true) ?><?= htmlspecialchars($params['txt']); ?><?= getIntlString('alt_QR_after', raw: true) ?>' id="qrCode"<?php
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// Compute the difference between the QR code and theme background colors
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$diffLight = abs($rgbBgColor['r']-hexdec(substr($colorScheme['bg-light'],-6,2))) + abs($rgbBgColor['g']-hexdec(substr($colorScheme['bg-light'],-4,2))) + abs($rgbBgColor['b']-hexdec(substr($colorScheme['bg-light'],-2,2)));
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@ -280,14 +312,14 @@ if ($qrCodeAvailable) {
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<?php
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} else if ($qrCodeAvailable === false) {
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echo " <p><strong>" . $loc['error_generation'] . "</strong></p></body></html>";
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echo " <p><strong>" . getIntlString('error_generation') . "</strong></p></body></html>";
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}
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?>
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<footer>
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<section id="info" class="metaText">
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<?= $loc['metaText_qr'] ?>
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<?= getIntlString('metaText_qr') ?>
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</section>
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<?php if (CUSTOM_TEXT_ENABLED) { ?>
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@ -297,7 +329,7 @@ if ($qrCodeAvailable) {
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<?php } ?>
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<section class="metaText">
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<small><?= $loc['metaText_legal'] ?></small>
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<small><?= getIntlString('metaText_legal') ?></small>
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</section>
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</footer>
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