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<?php
/**
* @file
* Override part of locale.inc library so we can manage string status
*/
/**
* Parses Gettext Portable Object file information and inserts into database
*
* This is an improved version of _locale_import_po() to handle translation status
*
* @param $file
* Drupal file object corresponding to the PO file to import
* @param $langcode
* Language code
* @param $mode
* Should existing translations be replaced LOCALE_IMPORT_KEEP or LOCALE_IMPORT_OVERWRITE
* @param $group
* Text group to import PO file into (eg. 'default' for interface translations)
*
* @return boolean
* Result array on success. FALSE on failure
*/
function _l10n_update_locale_import_po($file, $langcode, $mode, $group = NULL) {
// Try to allocate enough time to parse and import the data.
drupal_set_time_limit(240);
// Check if we have the language already in the database.
if (!db_query("SELECT COUNT(language) FROM {languages} WHERE language = :language", array(':language' => $langcode))->fetchField()) {
drupal_set_message(t('The language selected for import is not supported.'), 'error');
return FALSE;
}
// Get strings from file (returns on failure after a partial import, or on success)
$status = _l10n_update_locale_import_read_po('db-store', $file, $mode, $langcode, $group);
if ($status === FALSE) {
// Error messages are set in _locale_import_read_po().
return FALSE;
}
// Get status information on import process.
list($header_done, $additions, $updates, $deletes, $skips) = _l10n_update_locale_import_one_string('db-report');
if (!$header_done) {
drupal_set_message(t('The translation file %filename appears to have a missing or malformed header.', array('%filename' => $file->filename)), 'error');
}
// Clear cache and force refresh of JavaScript translations.
_locale_invalidate_js($langcode);
cache_clear_all('locale:', 'cache', TRUE);
// Rebuild the menu, strings may have changed.
menu_rebuild();
watchdog('locale', 'Imported %file into %locale: %number new strings added, %update updated and %delete removed.', array('%file' => $file->filename, '%locale' => $langcode, '%number' => $additions, '%update' => $updates, '%delete' => $deletes));
if ($skips) {
watchdog('locale', '@count disallowed HTML string(s) in %file', array('@count' => $skips, '%file' => $file->uri), WATCHDOG_WARNING);
}
// Return results of this import.
return array(
'file' => $file,
'language' => $langcode,
'add' => $additions,
'update' => $updates,
'delete' => $deletes,
'skip' => $skips,
);
}
/**
* Parses Gettext Portable Object file into an array
*
* @param $op
* Storage operation type: db-store or mem-store
* @param $file
* Drupal file object corresponding to the PO file to import
* @param $mode
* Should existing translations be replaced LOCALE_IMPORT_KEEP or LOCALE_IMPORT_OVERWRITE
* @param $lang
* Language code
* @param $group
* Text group to import PO file into (eg. 'default' for interface translations)
*/
function _l10n_update_locale_import_read_po($op, $file, $mode = NULL, $lang = NULL, $group = 'default') {
$fd = fopen($file->uri, "rb"); // File will get closed by PHP on return
if (!$fd) {
_locale_import_message('The translation import failed, because the file %filename could not be read.', $file);
return FALSE;
}
$context = "COMMENT"; // Parser context: COMMENT, MSGID, MSGID_PLURAL, MSGSTR and MSGSTR_ARR
$current = array(); // Current entry being read
$plural = 0; // Current plural form
$lineno = 0; // Current line
while (!feof($fd)) {
$line = fgets($fd, 10*1024); // A line should not be this long
if ($lineno == 0) {
// The first line might come with a UTF-8 BOM, which should be removed.
$line = str_replace("\xEF\xBB\xBF", '', $line);
}
$lineno++;
$line = trim(strtr($line, array("\\\n" => "")));
if (!strncmp("#", $line, 1)) { // A comment
if ($context == "COMMENT") { // Already in comment context: add
$current["#"][] = substr($line, 1);
}
elseif (($context == "MSGSTR") || ($context == "MSGSTR_ARR")) { // End current entry, start a new one
_l10n_update_locale_import_one_string($op, $current, $mode, $lang, $file, $group);
$current = array();
$current["#"][] = substr($line, 1);
$context = "COMMENT";
}
else { // Parse error
_locale_import_message('The translation file %filename contains an error: "msgstr" was expected but not found on line %line.', $file, $lineno);
return FALSE;
}
}
elseif (!strncmp("msgid_plural", $line, 12)) {
if ($context != "MSGID") { // Must be plural form for current entry
_locale_import_message('The translation file %filename contains an error: "msgid_plural" was expected but not found on line %line.', $file, $lineno);
return FALSE;
}
$line = trim(substr($line, 12));
$quoted = _locale_import_parse_quoted($line);
if ($quoted === FALSE) {
_locale_import_message('The translation file %filename contains a syntax error on line %line.', $file, $lineno);
return FALSE;
}
$current["msgid"] = $current["msgid"] . "\0" . $quoted;
$context = "MSGID_PLURAL";
}
elseif (!strncmp("msgid", $line, 5)) {
if (($context == "MSGSTR") || ($context == "MSGSTR_ARR")) { // End current entry, start a new one
_l10n_update_locale_import_one_string($op, $current, $mode, $lang, $file, $group);
$current = array();
}
elseif ($context == "MSGID") { // Already in this context? Parse error
_locale_import_message('The translation file %filename contains an error: "msgid" is unexpected on line %line.', $file, $lineno);
return FALSE;
}
$line = trim(substr($line, 5));
$quoted = _locale_import_parse_quoted($line);
if ($quoted === FALSE) {
_locale_import_message('The translation file %filename contains a syntax error on line %line.', $file, $lineno);
return FALSE;
}
$current["msgid"] = $quoted;
$context = "MSGID";
}
elseif (!strncmp("msgctxt", $line, 7)) {
if (($context == "MSGSTR") || ($context == "MSGSTR_ARR")) { // End current entry, start a new one
_l10n_update_locale_import_one_string($op, $current, $mode, $lang, $file, $group);
$current = array();
}
elseif (!empty($current["msgctxt"])) { // Already in this context? Parse error
_locale_import_message('The translation file %filename contains an error: "msgctxt" is unexpected on line %line.', $file, $lineno);
return FALSE;
}
$line = trim(substr($line, 7));
$quoted = _locale_import_parse_quoted($line);
if ($quoted === FALSE) {
_locale_import_message('The translation file %filename contains a syntax error on line %line.', $file, $lineno);
return FALSE;
}
$current["msgctxt"] = $quoted;
$context = "MSGCTXT";
}
elseif (!strncmp("msgstr[", $line, 7)) {
if (($context != "MSGID") && ($context != "MSGCTXT") && ($context != "MSGID_PLURAL") && ($context != "MSGSTR_ARR")) { // Must come after msgid, msgxtxt, msgid_plural, or msgstr[]
_locale_import_message('The translation file %filename contains an error: "msgstr[]" is unexpected on line %line.', $file, $lineno);
return FALSE;
}
if (strpos($line, "]") === FALSE) {
_locale_import_message('The translation file %filename contains a syntax error on line %line.', $file, $lineno);
return FALSE;
}
$frombracket = strstr($line, "[");
$plural = substr($frombracket, 1, strpos($frombracket, "]") - 1);
$line = trim(strstr($line, " "));
$quoted = _locale_import_parse_quoted($line);
if ($quoted === FALSE) {
_locale_import_message('The translation file %filename contains a syntax error on line %line.', $file, $lineno);
return FALSE;
}
$current["msgstr"][$plural] = $quoted;
$context = "MSGSTR_ARR";
}
elseif (!strncmp("msgstr", $line, 6)) {
if (($context != "MSGID") && ($context != "MSGCTXT")) { // Should come just after a msgid or msgctxt block
_locale_import_message('The translation file %filename contains an error: "msgstr" is unexpected on line %line.', $file, $lineno);
return FALSE;
}
$line = trim(substr($line, 6));
$quoted = _locale_import_parse_quoted($line);
if ($quoted === FALSE) {
_locale_import_message('The translation file %filename contains a syntax error on line %line.', $file, $lineno);
return FALSE;
}
$current["msgstr"] = $quoted;
$context = "MSGSTR";
}
elseif ($line != "") {
$quoted = _locale_import_parse_quoted($line);
if ($quoted === FALSE) {
_locale_import_message('The translation file %filename contains a syntax error on line %line.', $file, $lineno);
return FALSE;
}
if (($context == "MSGID") || ($context == "MSGID_PLURAL")) {
$current["msgid"] .= $quoted;
}
elseif ($context == "MSGCTXT") {
$current["msgctxt"] .= $quoted;
}
elseif ($context == "MSGSTR") {
$current["msgstr"] .= $quoted;
}
elseif ($context == "MSGSTR_ARR") {
$current["msgstr"][$plural] .= $quoted;
}
else {
_locale_import_message('The translation file %filename contains an error: there is an unexpected string on line %line.', $file, $lineno);
return FALSE;
}
}
}
// End of PO file, flush last entry.
if (($context == "MSGSTR") || ($context == "MSGSTR_ARR")) {
_l10n_update_locale_import_one_string($op, $current, $mode, $lang, $file, $group);
}
elseif ($context != "COMMENT") {
_locale_import_message('The translation file %filename ended unexpectedly at line %line.', $file, $lineno);
return FALSE;
}
}
/**
* Imports a string into the database
*
* @param $op
* Operation to perform: 'db-store', 'db-report', 'mem-store' or 'mem-report'
* @param $value
* Details of the string stored
* @param $mode
* Should existing translations be replaced LOCALE_IMPORT_KEEP or LOCALE_IMPORT_OVERWRITE
* @param $lang
* Language to store the string in
* @param $file
* Object representation of file being imported, only required when op is 'db-store'
* @param $group
* Text group to import PO file into (eg. 'default' for interface translations)
*/
function _l10n_update_locale_import_one_string($op, $value = NULL, $mode = NULL, $lang = NULL, $file = NULL, $group = 'default') {
$report = &drupal_static(__FUNCTION__, array('additions' => 0, 'updates' => 0, 'deletes' => 0, 'skips' => 0));
$header_done = &drupal_static(__FUNCTION__ . ':header_done', FALSE);
$strings = &drupal_static(__FUNCTION__ . ':strings', array());
switch ($op) {
// Return stored strings
case 'mem-report':
return $strings;
// Store string in memory (only supports single strings)
case 'mem-store':
$strings[isset($value['msgctxt']) ? $value['msgctxt'] : ''][$value['msgid']] = $value['msgstr'];
return;
// Called at end of import to inform the user
case 'db-report':
return array($header_done, $report['additions'], $report['updates'], $report['deletes'], $report['skips']);
// Store the string we got in the database.
case 'db-store':
// We got header information.
if ($value['msgid'] == '') {
$languages = language_list();
if (($mode != LOCALE_IMPORT_KEEP) || empty($languages[$lang]->plurals)) {
// Since we only need to parse the header if we ought to update the
// plural formula, only run this if we don't need to keep existing
// data untouched or if we don't have an existing plural formula.
$header = _locale_import_parse_header($value['msgstr']);
// Get the plural formula and update in database.
if (isset($header["Plural-Forms"]) && $p = _locale_import_parse_plural_forms($header["Plural-Forms"], $file->uri)) {
list($nplurals, $plural) = $p;
db_update('languages')
->fields(array(
'plurals' => $nplurals,
'formula' => $plural,
))
->condition('language', $lang)
->execute();
}
else {
db_update('languages')
->fields(array(
'plurals' => 0,
'formula' => '',
))
->condition('language', $lang)
->execute();
}
}
$header_done = TRUE;
}
else {
// Some real string to import.
$comments = _locale_import_shorten_comments(empty($value['#']) ? array() : $value['#']);
if (strpos($value['msgid'], "\0")) {
// This string has plural versions.
$english = explode("\0", $value['msgid'], 2);
$entries = array_keys($value['msgstr']);
for ($i = 3; $i <= count($entries); $i++) {
$english[] = $english[1];
}
$translation = array_map('_locale_import_append_plural', $value['msgstr'], $entries);
$english = array_map('_locale_import_append_plural', $english, $entries);
foreach ($translation as $key => $trans) {
if ($key == 0) {
$plid = 0;
}
$plid = _l10n_update_locale_import_one_string_db($report, $lang, isset($value['msgctxt']) ? $value['msgctxt'] : '', $english[$key], $trans, $group, $comments, $mode, L10N_UPDATE_STRING_DEFAULT, $plid, $key);
}
}
else {
// A simple string to import.
$english = $value['msgid'];
$translation = $value['msgstr'];
_l10n_update_locale_import_one_string_db($report, $lang, isset($value['msgctxt']) ? $value['msgctxt'] : '', $english, $translation, $group, $comments, $mode);
}
}
} // end of db-store operation
}
/**
* Import one string into the database.
*
* @param $report
* Report array summarizing the number of changes done in the form:
* array(inserts, updates, deletes).
* @param $langcode
* Language code to import string into.
* @param $context
* The context of this string.
* @param $source
* Source string.
* @param $translation
* Translation to language specified in $langcode.
* @param $textgroup
* Name of textgroup to store translation in.
* @param $location
* Location value to save with source string.
* @param $mode
* Import mode to use, LOCALE_IMPORT_KEEP or LOCALE_IMPORT_OVERWRITE.
* @param $status
* Status of translation if created: L10N_UPDATE_STRING_DEFAULT or L10N_UPDATE_STRING_CUSTOM
* @param $plid
* Optional plural ID to use.
* @param $plural
* Optional plural value to use.
* @return
* The string ID of the existing string modified or the new string added.
*/
function _l10n_update_locale_import_one_string_db(&$report, $langcode, $context, $source, $translation, $textgroup, $location, $mode, $status = L10N_UPDATE_STRING_DEFAULT, $plid = 0, $plural = 0) {
$lid = db_query("SELECT lid FROM {locales_source} WHERE source = :source AND context = :context AND textgroup = :textgroup", array(':source' => $source, ':context' => $context, ':textgroup' => $textgroup))->fetchField();
if (!empty($translation)) {
// Skip this string unless it passes a check for dangerous code.
// Text groups other than default still can contain HTML tags
// (i.e. translatable blocks).
if ($textgroup == "default" && !locale_string_is_safe($translation)) {
$report['skips']++;
$lid = 0;
watchdog('locale', 'Disallowed HTML detected. String not imported: %string', array('%string' => $translation), WATCHDOG_WARNING);
}
elseif ($lid) {
// We have this source string saved already.
db_update('locales_source')
->fields(array(
'location' => $location,
))
->condition('lid', $lid)
->execute();
$exists = db_query("SELECT lid, l10n_status FROM {locales_target} WHERE lid = :lid AND language = :language", array(':lid' => $lid, ':language' => $langcode))->fetchObject();
if (!$exists) {
// No translation in this language.
db_insert('locales_target')
->fields(array(
'lid' => $lid,
'language' => $langcode,
'translation' => $translation,
'plid' => $plid,
'plural' => $plural,
))
->execute();
$report['additions']++;
}
elseif (($exists->l10n_status == L10N_UPDATE_STRING_DEFAULT && $mode == LOCALE_UPDATE_OVERRIDE_DEFAULT) || $mode == LOCALE_IMPORT_OVERWRITE) {
// Translation exists, only overwrite if instructed.
db_update('locales_target')
->fields(array(
'translation' => $translation,
'plid' => $plid,
'plural' => $plural,
))
->condition('language', $langcode)
->condition('lid', $lid)
->execute();
$report['updates']++;
}
}
else {
// No such source string in the database yet.
$lid = db_insert('locales_source')
->fields(array(
'location' => $location,
'source' => $source,
'context' => (string) $context,
'textgroup' => $textgroup,
))
->execute();
db_insert('locales_target')
->fields(array(
'lid' => $lid,
'language' => $langcode,
'translation' => $translation,
'plid' => $plid,
'plural' => $plural,
'l10n_status' => $status,
))
->execute();
$report['additions']++;
}
}
elseif ($mode == LOCALE_IMPORT_OVERWRITE) {
// Empty translation, remove existing if instructed.
db_delete('locales_target')
->condition('language', $langcode)
->condition('lid', $lid)
->condition('plid', $plid)
->condition('plural', $plural)
->execute();
$report['deletes']++;
}
return $lid;
}