$library ];
$dir = self::pack_dir( $tab );
if ( '' === $dir || ! is_readable( $dir . '/selection.json' ) ) {
return null;
}
$raw = file_get_contents( $dir . '/selection.json' );
$data = is_string( $raw ) ? json_decode( $raw, true ) : null;
$prefix = '';
$names = [];
if ( is_array( $data ) ) {
$prefix = self::prefix_from_selection( $data );
$names = self::names_from_selection( $data );
}
return [
'name' => $library,
'prefix' => $prefix,
'displayPrefix' => '',
'icons' => $names,
'custom_icon_type' => 'icomoon',
];
}
public static function pack_urls( array $tab ): array {
return Pack_Directory::public_urls( $tab );
}
public static function pack_dir( array $tab ): string {
return Pack_Directory::resolve( $tab );
}
public static function svg_from_selection( string $json, string $icon_name, string $prefix ): string {
$data = json_decode( $json, true );
if ( ! is_array( $data ) || empty( $data['icons'] ) || ! is_array( $data['icons'] ) ) {
return '';
}
$candidates = [ $icon_name ];
if ( '' !== $prefix && str_starts_with( $icon_name, $prefix ) ) {
$candidates[] = substr( $icon_name, strlen( $prefix ) );
}
foreach ( $data['icons'] as $icon ) {
if ( ! is_array( $icon ) ) {
continue;
}
$name = self::icon_entry_name( $icon );
if ( '' === $name || ! in_array( $name, $candidates, true ) ) {
continue;
}
$paths = $icon['icon']['paths'] ?? [];
if ( ! is_array( $paths ) || empty( $paths ) ) {
return '';
}
$path_markup = '';
foreach ( $paths as $d ) {
if ( ! is_string( $d ) || '' === $d ) {
continue;
}
$path_markup .= '';
}
if ( '' === $path_markup ) {
return '';
}
$height = self::em_size( $data );
$width = $height;
if ( isset( $icon['icon']['width'] ) && is_numeric( $icon['icon']['width'] ) && (int) $icon['icon']['width'] > 0 ) {
$width = (int) $icon['icon']['width'];
}
return '';
}
return '';
}
private static function em_size( array $data ): int {
$size = $data['preferences']['fontPref']['metrics']['emSize'] ?? null;
return is_numeric( $size ) && (int) $size > 0 ? (int) $size : self::DEFAULT_VIEWBOX;
}
public static function names_from_selection( array $data ): array {
if ( empty( $data['icons'] ) || ! is_array( $data['icons'] ) ) {
return [];
}
$names = [];
foreach ( $data['icons'] as $icon ) {
if ( ! is_array( $icon ) ) {
continue;
}
$name = self::icon_entry_name( $icon );
if ( '' !== $name ) {
$names[] = $name;
}
}
return $names;
}
private static function icon_entry_name( array $icon ): string {
if ( isset( $icon['properties']['name'] ) && is_string( $icon['properties']['name'] ) ) {
return $icon['properties']['name'];
}
if ( isset( $icon['icon']['tags'][0] ) && is_string( $icon['icon']['tags'][0] ) ) {
return $icon['icon']['tags'][0];
}
return '';
}
private static function prefix_from_selection( array $data ): string {
$prefix = $data['preferences']['fontPref']['prefix'] ?? '';
return is_string( $prefix ) ? $prefix : '';
}
}