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<?php
/**
* Bundle inverter utility class.
*/
abstract class Loco_package_Inverter {
/**
* Get all Gettext files that are not configured and valid in the given bundle
* @return array
*/
public static function export( Loco_package_Bundle $bundle ){
// search paths for inverted bundle will exclude global ignore paths,
// plus anything known to the current configuration which we'll add now.
$finder = $bundle->getFileFinder();
/* @var $project Loco_package_Project */
foreach( $bundle as $project ){
if( $file = $project->getPot() ){
// excluding all extensions in case POT is actually a PO/MO pair
foreach( ['pot','po','mo'] as $ext ){
$file = $file->cloneExtension($ext);
if( $path = realpath( $file->getPath() ) ){
$finder->exclude( $path );
}
}
}
foreach( $project->findLocaleFiles('po') as $file ){
if( $path = realpath( $file->getPath() ) ){
$finder->exclude( $path );
}
}
foreach( $project->findLocaleFiles('mo') as $file ){
if( $path = realpath( $file->getPath() ) ){
$finder->exclude( $path );
}
}
}
// Do a deep scan of all files that haven't been seen, or been excluded:
// This will include files in global directories and inside the bundle.
return $finder->setRecursive(true)->followLinks(false)->group('po','mo','pot')->exportGroups();
}
/**
* Compile anything found under bundle root that isn't configured in $known
* @return Loco_package_Bundle
*/
public static function compile( Loco_package_Bundle $bundle ){
$found = self::export($bundle);
// done with original bundle now
$bundle = clone $bundle;
$bundle->clear();
// first iteration groups found files into common locations that should hopefully indicate translation sets
$groups = [];
$templates = [];
$localised = [];
$root = $bundle->getDirectoryPath();
/* @var $list Loco_fs_FileList */
foreach( $found as $ext => $list ){
/* @var $file Loco_fs_LocaleFile */
foreach( $list as $file ){
// printf("Found: %s <br />\n", $file );
// This file is NOT known to be part of a configured project
$dir = $file->getParent();
$key = $dir->getRelativePath( $root );
//
if( ! isset($groups[$key]) ){
$groups[$key] = $dir;
$templates[$key] = [];
$localised[$key] = [];
}
// template should define single set of translations unique by directory and file prefix
if( 'pot' === $ext ){
$slug = $file->filename();
$templates[$key][$slug] = true;
}
// else ideally PO/MO files will correspond to a template by common prefix
else {
$file = new Loco_fs_LocaleFile( $file );
$slug = $file->getPrefix();
if( $file->getLocale()->isValid() ){
$localised[$key][$slug] = true;
}
// else could be some kind of non-standard template
else {
$slug = $file->filename();
$templates[$key][$slug] = true;
}
}
}
}
unset($found);
// next iteration matches collected files together into likely project sets
$unique = [];
/* @var $list Loco_fs_Directory */
foreach( $groups as $key => $dir ){
// pair up all projects that match templates neatly to prefixed files
foreach( $templates[$key] as $slug => $bool ){
if( isset($localised[$key][$slug]) ){
//printf("Perfect match on domain '%s' in %s <br />\n", $slug, $key );
$unique[$key][$slug] = $dir;
// done with this perfectly matched set
$templates[$key][$slug] = null;
$localised[$key][$slug] = null;
}
}
// pair up any unprefixed localised files
if( isset($localised[$key]['']) ){
$slug = 'unknown';
// Match to first (hopefully only) template to establish a slug
foreach( $templates[$key] as $_slug => $bool ){
if( $bool ){
$slug = $_slug;
$templates[$key][$slug] = null;
break; // <- not possible to know how multiple POTs might be paired up
}
}
//printf("Pairing unprefixed files in %s to '%s' <br />\n", $key, $slug );
$unique[$key][$slug] = $dir;
// done with unprefixed localised files in this directory
$localised[$key][''] = null;
}
// add any orphaned translations (those with no template matched)
foreach( $localised[$key] as $slug => $bool ){
if( $bool ){
// printf("Picked up orphoned locales in %s as '%s' <br />\n", $key, $slug );
$unique[$key][$slug] = $dir;
}
}
// add any orphaned templates (those with no localised files matched)
foreach( $templates[$key] as $slug => $bool ){
if( $bool ){
//printf("Picked up orphoned template in %s as '%s' <br />\n", $key, $slug );
$unique[$key][$slug] = $dir;
}
}
}
unset( $groups, $localised, $templates );
// final iteration adds unique projects to bundle
foreach( $unique as $key => $sets ){
foreach( $sets as $slug => $dir ){
$name = ucfirst( strtr( $slug, '-_', ' ' ) );
$domain = new Loco_package_TextDomain( $slug );
$project = $domain->createProject( $bundle, $name );
$project->addTargetDirectory($dir);
$bundle->addProject($project);
}
// TODO how to prevent overlapping sets by adding each other's files to exclude lists
}
return $bundle;
}
}
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