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