drupal/core/modules/locale/locale.translation.inc

359 lines
13 KiB
PHP

<?php
/**
* @file
* Common API for interface translation.
*/
/**
* Comparison result of source files timestamps.
*
* Timestamp of source 1 is less than the timestamp of source 2.
* @see _locale_translation_source_compare()
*/
const LOCALE_TRANSLATION_SOURCE_COMPARE_LT = -1;
/**
* Comparison result of source files timestamps.
*
* Timestamp of source 1 is equal to the timestamp of source 2.
* @see _locale_translation_source_compare()
*/
const LOCALE_TRANSLATION_SOURCE_COMPARE_EQ = 0;
/**
* Comparison result of source files timestamps.
*
* Timestamp of source 1 is greater than the timestamp of source 2.
* @see _locale_translation_source_compare()
*/
const LOCALE_TRANSLATION_SOURCE_COMPARE_GT = 1;
/**
* Get array of projects which are available for interface translation.
*
* This project data contains all projects which will be checked for available
* interface translations.
*
* For full functionality this function depends on Update module.
* When Update module is enabled the project data will contain the most recent
* module status; both in enabled status as in version. When Update module is
* disabled this function will return the last known module state. The status
* will only be updated once Update module is enabled.
*
* @params array $project_names
* Array of names of the projects to get.
*
* @return array
* Array of project data for translation update.
*
* @see locale_translation_build_projects()
*/
function locale_translation_get_projects($project_names = array()) {
$projects = &drupal_static(__FUNCTION__, array());
if (empty($projects)) {
// Get project data from the database.
$result = db_query('SELECT name, project_type, core, version, server_pattern, status FROM {locale_project}');
// http://drupal.org/node/1777106 is a follow-up issue to make the check for
// possible out-of-date project information more robust.
if ($result->rowCount() == 0 && module_exists('update')) {
module_load_include('compare.inc', 'locale');
// At least the core project should be in the database, so we build the
// data if none are found.
locale_translation_build_projects();
$result = db_query('SELECT name, project_type, core, version, server_pattern, status FROM {locale_project}');
}
foreach ($result as $project) {
$projects[$project->name] = $project;
}
}
// Return the requested project names or all projects.
if ($project_names) {
return array_intersect_key($projects, drupal_map_assoc($project_names));
}
return $projects;
}
/**
* Clears the projects cache.
*/
function locale_translation_clear_cache_projects() {
drupal_static('locale_translation_get_projects', array());
}
/**
* Loads cached translation sources containing current translation status.
*
* @param array $projects
* Array of project names. Defaults to all translatable projects.
* @param array $langcodes
* Array of language codes. Defaults to all translatable languages.
*
* @return array
* Array of source objects. Keyed with <project name>:<language code>.
*
* @see locale_translation_source_build()
*/
function locale_translation_load_sources($projects = NULL, $langcodes = NULL) {
$sources = array();
$projects = $projects ? $projects : array_keys(locale_translation_get_projects());
$langcodes = $langcodes ? $langcodes : array_keys(locale_translatable_language_list());
// Load source data from locale_translation_status cache.
$status = Drupal::state()->get('locale.translation_status');
// Use only the selected projects and languages for update.
foreach($projects as $project) {
foreach ($langcodes as $langcode) {
$sources[$project . ':' . $langcode] = isset($status[$project][$langcode]) ? $status[$project][$langcode] : NULL;
}
}
return $sources;
}
/**
* Build translation sources.
*
* @param array $projects
* Array of project names. Defaults to all translatable projects.
* @param array $langcodes
* Array of language codes. Defaults to all translatable languages.
*
* @return array
* Array of source objects. Keyed with <project name>:<language code>.
*
* @see locale_translation_source_build()
*/
function locale_translation_build_sources($projects = array(), $langcodes = array()) {
$sources = array();
$projects = locale_translation_get_projects($projects);
$langcodes = $langcodes ? $langcodes : array_keys(locale_translatable_language_list());
foreach ($projects as $project) {
foreach ($langcodes as $langcode) {
$source = locale_translation_source_build($project, $langcode);
$sources[$source->name . ':' . $source->langcode] = $source;
}
}
return $sources;
}
/**
* Checks whether a po file exists in the local filesystem.
*
* It will search in the directory set in the translation source. Which defaults
* to the "translations://" stream wrapper path. The directory may contain any
* valid stream wrapper.
*
* The "local" files property of the source object contains the definition of a
* po file we are looking for. The file name defaults to
* %project-%version.%language.po. Per project this value can be overridden
* using the server_pattern directive in the module's .info.yml file or by using
* hook_locale_translation_projects_alter().
*
* @param object $source
* Translation source object.
*
* @return stdClass
* File object (filename, basename, name) updated with data of the po file.
* On success the files property of the source object is updated.
* files[LOCALE_TRANSLATION_LOCAL]:
* - "uri": File name and path.
* - "timestamp": Last updated time of the po file.
* FALSE if the file is not found.
*
* @see locale_translation_source_build()
*/
function locale_translation_source_check_file(&$source) {
if (isset($source->files[LOCALE_TRANSLATION_LOCAL])) {
$directory = $source->files[LOCALE_TRANSLATION_LOCAL]->directory;
$filename = '/' . preg_quote($source->files[LOCALE_TRANSLATION_LOCAL]->filename) . '$/';
// If the directory contains a stream wrapper, it is converted to a real
// path. This is required for file_scan_directory() which can not handle
// stream wrappers.
if ($scheme = file_uri_scheme($directory)) {
$directory = str_replace($scheme . '://', drupal_realpath($scheme . '://'), $directory);
}
if ($files = file_scan_directory($directory, $filename, array('key' => 'name', 'recurse' => FALSE))) {
$file = current($files);
$source->files[LOCALE_TRANSLATION_LOCAL]->uri = $file->uri;
$source->files[LOCALE_TRANSLATION_LOCAL]->timestamp = filemtime($file->uri);
return $file;
}
}
return FALSE;
}
/**
* Builds abstract translation source.
*
* @param object $project
* Project object.
* @param string $langcode
* Language code.
* @param string $filename
* File name of translation file. May contain placeholders.
*
* @return object
* Source object:
* - "project": Project name.
* - "name": Project name (inherited from project).
* - "language": Language code.
* - "core": Core version (inherited from project).
* - "version": Project version (inherited from project).
* - "project_type": Project type (inherited from project).
* - "files": Array of file objects containing properties of local and remote
* translation files.
* Other processes can add the following properties:
* - "type": Most recent file type LOCALE_TRANSLATION_REMOTE or
* LOCALE_TRANSLATION_LOCAL. Corresponding with a key of the
* "files" array.
* - "timestamp": Timestamp of the most recent translation file.
* The "files" array can hold file objects of type:
* LOCALE_TRANSLATION_LOCAL, LOCALE_TRANSLATION_REMOTE,
* LOCALE_TRANSLATION_DOWNLOADED, LOCALE_TRANSLATION_IMPORTED and
* LOCALE_TRANSLATION_CURRENT. Each contains following properties:
* - "type": The object type (LOCALE_TRANSLATION_LOCAL,
* LOCALE_TRANSLATION_REMOTE, etc. see above).
* - "project": Project name.
* - "langcode": Language code.
* - "version": Project version.
* - "uri": Local or remote file path.
* - "directory": Directory of the local po file.
* - "filename": File name.
* - "timestamp": Timestamp of the file.
* - "keep": TRUE to keep the downloaded file.
*/
function locale_translation_source_build($project, $langcode, $filename = NULL) {
// Followup issue: http://drupal.org/node/1842380
// Convert $source object to a TranslatableProject class and use a typed class
// for $source-file.
// Create a source object with data of the project object.
$source = clone $project;
$source->project = $project->name;
$source->langcode = $langcode;
$filename = $filename ? $filename : config('locale.settings')->get('translation.default_filename');
// If the server_pattern contains a remote file path we will check for a
// remote file. The local version of this file will only be checked if a
// translations directory has been defined. If the server_pattern is a local
// file path we will only check for a file in the local file system.
$files = array();
if (_locale_translation_file_is_remote($source->server_pattern)) {
$files[LOCALE_TRANSLATION_REMOTE] = (object) array(
'project' => $project->name,
'langcode' => $langcode,
'version' => $project->version,
'type' => LOCALE_TRANSLATION_REMOTE,
'filename' => locale_translation_build_server_pattern($source, basename($source->server_pattern)),
'uri' => locale_translation_build_server_pattern($source, $source->server_pattern),
);
if (config('locale.settings')->get('translation.path')) {
$files[LOCALE_TRANSLATION_LOCAL] = (object) array(
'project' => $project->name,
'langcode' => $langcode,
'version' => $project->version,
'type' => LOCALE_TRANSLATION_LOCAL,
'filename' => locale_translation_build_server_pattern($source, $filename),
'directory' => 'translations://',
);
$files[LOCALE_TRANSLATION_LOCAL]->uri = $files[LOCALE_TRANSLATION_LOCAL]->directory . $files[LOCALE_TRANSLATION_LOCAL]->filename;
}
}
else {
$files[LOCALE_TRANSLATION_LOCAL] = (object) array(
'project' => $project->name,
'langcode' => $langcode,
'version' => $project->version,
'type' => LOCALE_TRANSLATION_LOCAL,
'filename' => locale_translation_build_server_pattern($source, basename($source->server_pattern)),
'directory' => locale_translation_build_server_pattern($source, drupal_dirname($source->server_pattern)),
);
$files[LOCALE_TRANSLATION_LOCAL]->uri = $files[LOCALE_TRANSLATION_LOCAL]->directory . '/' . $files[LOCALE_TRANSLATION_LOCAL]->filename;
}
$source->files = $files;
return $source;
}
/**
* Determine if a file is a remote file.
*
* @param string $uri
* The URI or URI pattern of the file.
*
* @return boolean
* TRUE if the $uri is a remote file.
*/
function _locale_translation_file_is_remote($uri) {
$scheme = file_uri_scheme($uri);
if ($scheme) {
return !drupal_realpath($scheme . '://');
}
return FALSE;
}
/**
* Compare two update sources, looking for the newer one.
*
* The timestamp property of the source objects are used to determine which is
* the newer one.
*
* @param object $source1
* Source object of the first translation source.
* @param object $source2
* Source object of available update.
*
* @return integer
* - "LOCALE_TRANSLATION_SOURCE_COMPARE_LT": $source1 < $source2 OR $source1
* is missing.
* - "LOCALE_TRANSLATION_SOURCE_COMPARE_EQ": $source1 == $source2 OR both
* $source1 and $source2 are missing.
* - "LOCALE_TRANSLATION_SOURCE_COMPARE_GT": $source1 > $source2 OR $source2
* is missing.
*/
function _locale_translation_source_compare($source1, $source2) {
if (isset($source1->timestamp) && isset($source2->timestamp)) {
if ($source1->timestamp == $source2->timestamp) {
return LOCALE_TRANSLATION_SOURCE_COMPARE_EQ;
}
else {
return $source1->timestamp > $source2->timestamp ? LOCALE_TRANSLATION_SOURCE_COMPARE_GT : LOCALE_TRANSLATION_SOURCE_COMPARE_LT;
}
}
elseif (isset($source1->timestamp) && !isset($source2->timestamp)) {
return LOCALE_TRANSLATION_SOURCE_COMPARE_GT;
}
elseif (!isset($source1->timestamp) && isset($source2->timestamp)) {
return LOCALE_TRANSLATION_SOURCE_COMPARE_LT;
}
else {
return LOCALE_TRANSLATION_SOURCE_COMPARE_EQ;
}
}
/**
* Returns default import options for translation update.
*
* @return array
* Array of translation import options.
*/
function _locale_translation_default_update_options() {
$config = config('locale.settings');
return array(
'customized' => LOCALE_NOT_CUSTOMIZED,
'overwrite_options' => array(
'not_customized' => $config->get('translation.overwrite_not_customized'),
'customized' => $config->get('translation.overwrite_customized'),
),
);
}