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<?php
/**
* A file finder built from search path references in a PO/POT file
*/
class Loco_gettext_SearchPaths extends Loco_fs_FileFinder {
/**
* Look up a relative file reference against search paths
* @param string $ref relative file path reference
* @return Loco_fs_File|null
*/
public function match( $ref ){
$excluded = new Loco_fs_Locations( $this->getExcluded() );
/* @var Loco_fs_Directory $base */
foreach( $this->getRootDirectories() as $base ){
$file = new Loco_fs_File($ref);
$path = $file->normalize( (string) $base );
if( $file->exists() && ! $excluded->check($path) ){
return $file;
}
}
return null;
}
/**
* Build search paths from a given PO/POT file that references other files
* @return Loco_gettext_SearchPaths
*/
public function init( Loco_fs_File $pofile, ?LocoHeaders $head = null ){
if( is_null($head) ){
loco_require_lib('compiled/gettext.php');
$head = LocoPoHeaders::fromSource( $pofile->getContents() );
}
$ninc = 0;
foreach( ['Poedit'] as $vendor ){
$key = 'X-'.$vendor.'-Basepath';
if( ! $head->has($key) ){
continue;
}
$dir = new Loco_fs_Directory( $head[$key] );
$base = $dir->normalize( $pofile->dirname() );
// base should be absolute, with the following search paths relative to it
$i = 0;
while( true ){
$key = sprintf('X-%s-SearchPath-%u', $vendor, $i++);
if( ! $head->has($key) ){
break;
}
// map search path to given base
$include = new Loco_fs_File( $head[$key] );
$include->normalize( $base );
if( $include->exists() ){
if( $include->isDirectory() ){
$this->addRoot( (string) $include );
$ninc++;
}
/*else {
TODO force specific file in Loco_fs_FileFinder
}*/
}
}
// exclude from search paths
$i = 0;
while( true ){
$key = sprintf('X-%s-SearchPathExcluded-%u', $vendor, $i++);
if( ! $head->has($key) ){
break;
}
// map excluded path to given base
$exclude = new Loco_fs_File( $head[$key] );
$exclude->normalize($base);
if( $exclude->exists() ){
$this->exclude( (string) $exclude );
}
// TODO implement wildcard exclusion
}
}
// Add po file location if no proprietary headers used
if( ! $ninc ){
$this->addRoot( $pofile->dirname() );
}
return $this;
}
}
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