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<?php
namespace Gettext;
/**
* Static class with merge contants.
*/
class Merge
{
const ADD = 1;
const REMOVE = 2;
const HEADERS_ADD = 4;
const HEADERS_REMOVE = 8;
const HEADERS_OVERRIDE = 16;
const LANGUAGE_OVERRIDE = 32;
const DOMAIN_OVERRIDE = 64;
const TRANSLATION_OVERRIDE = 128;
const COMMENTS_OURS = 256;
const COMMENTS_THEIRS = 512;
const EXTRACTED_COMMENTS_OURS = 1024;
const EXTRACTED_COMMENTS_THEIRS = 2048;
const FLAGS_OURS = 4096;
const FLAGS_THEIRS = 8192;
const REFERENCES_OURS = 16384;
const REFERENCES_THEIRS = 32768;
const DEFAULTS = 5; //1 + 4
/**
* Merge the flags of two translations.
*
* @param Translation $from
* @param Translation $to
* @param int $options
*/
public static function mergeFlags(Translation $from, Translation $to, $options = self::DEFAULTS)
{
if ($options & self::FLAGS_THEIRS) {
$to->deleteFlags();
}
if (!($options & self::FLAGS_OURS)) {
foreach ($from->getFlags() as $flag) {
$to->addFlag($flag);
}
}
}
/**
* Merge the extracted comments of two translations.
*
* @param Translation $from
* @param Translation $to
* @param int $options
*/
public static function mergeExtractedComments(Translation $from, Translation $to, $options = self::DEFAULTS)
{
if ($options & self::EXTRACTED_COMMENTS_THEIRS) {
$to->deleteExtractedComments();
}
if (!($options & self::EXTRACTED_COMMENTS_OURS)) {
foreach ($from->getExtractedComments() as $comment) {
$to->addExtractedComment($comment);
}
}
}
/**
* Merge the comments of two translations.
*
* @param Translation $from
* @param Translation $to
* @param int $options
*/
public static function mergeComments(Translation $from, Translation $to, $options = self::DEFAULTS)
{
if ($options & self::COMMENTS_THEIRS) {
$to->deleteComments();
}
if (!($options & self::COMMENTS_OURS)) {
foreach ($from->getComments() as $comment) {
$to->addComment($comment);
}
}
}
/**
* Merge the references of two translations.
*
* @param Translation $from
* @param Translation $to
* @param int $options
*/
public static function mergeReferences(Translation $from, Translation $to, $options = self::DEFAULTS)
{
if ($options & self::REFERENCES_THEIRS) {
$to->deleteReferences();
}
if (!($options & self::REFERENCES_OURS)) {
foreach ($from->getReferences() as $reference) {
$to->addReference($reference[0], $reference[1]);
}
}
}
/**
* Merge the translations of two translations.
*
* @param Translation $from
* @param Translation $to
* @param int $options
*/
public static function mergeTranslation(Translation $from, Translation $to, $options = self::DEFAULTS)
{
$override = (boolean) ($options & self::TRANSLATION_OVERRIDE);
if (!$to->hasTranslation() || ($from->hasTranslation() && $override)) {
$to->setTranslation($from->getTranslation());
}
if (!$to->hasPlural() || ($from->hasPlural() && $override)) {
$to->setPlural($from->getPlural());
}
if (!$to->hasPluralTranslations() || ($from->hasPluralTranslations() && $override)) {
$to->setPluralTranslations($from->getPluralTranslations());
}
}
/**
* Merge the translations of two translations.
*
* @param Translations $from
* @param Translations $to
* @param int $options
*/
public static function mergeTranslations(Translations $from, Translations $to, $options = self::DEFAULTS)
{
if ($options & self::REMOVE) {
$filtered = [];
foreach ($to as $entry) {
if ($from->find($entry)) {
$filtered[$entry->getId()] = $entry;
}
}
$to->exchangeArray($filtered);
}
foreach ($from as $entry) {
if (($existing = $to->find($entry))) {
$existing->mergeWith($entry, $options);
} elseif ($options & self::ADD) {
$to[] = $entry->getClone();
}
}
}
/**
* Merge the headers of two translations.
*
* @param Translations $from
* @param Translations $to
* @param int $options
*/
public static function mergeHeaders(Translations $from, Translations $to, $options = self::DEFAULTS)
{
if ($options & self::HEADERS_REMOVE) {
foreach (array_keys($to->getHeaders()) as $name) {
if ($from->getHeader($name) === null) {
$to->deleteHeader($name);
}
}
}
foreach ($from->getHeaders() as $name => $value) {
$current = $to->getHeader($name);
if (empty($current)) {
if ($options & self::HEADERS_ADD) {
$to->setHeader($name, $value);
}
continue;
}
if (empty($value)) {
continue;
}
switch ($name) {
case Translations::HEADER_LANGUAGE:
case Translations::HEADER_PLURAL:
if ($options & self::LANGUAGE_OVERRIDE) {
$to->setHeader($name, $value);
}
break;
case Translations::HEADER_DOMAIN:
if ($options & self::DOMAIN_OVERRIDE) {
$to->setHeader($name, $value);
}
break;
default:
if ($options & self::HEADERS_OVERRIDE) {
$to->setHeader($name, $value);
}
}
}
}
}
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