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<?php
namespace Protobuf;
/**
* Protobuf field label (optional, required, repeated) and types
*
* @author Iván Montes <drslump@pollinimini.net>
* @author Fabio B. Silva <fabio.bat.silva@gmail.com>
*/
class Field
{
const LABEL_OPTIONAL = 1;
const LABEL_REQUIRED = 2;
const LABEL_REPEATED = 3;
const LABEL_UNKNOWN = -1;
const TYPE_DOUBLE = 1;
const TYPE_FLOAT = 2;
const TYPE_INT64 = 3;
const TYPE_UINT64 = 4;
const TYPE_INT32 = 5;
const TYPE_FIXED64 = 6;
const TYPE_FIXED32 = 7;
const TYPE_BOOL = 8;
const TYPE_STRING = 9;
const TYPE_GROUP = 10;
const TYPE_MESSAGE = 11;
const TYPE_BYTES = 12;
const TYPE_UINT32 = 13;
const TYPE_ENUM = 14;
const TYPE_SFIXED32 = 15;
const TYPE_SFIXED64 = 16;
const TYPE_SINT32 = 17;
const TYPE_SINT64 = 18;
const TYPE_UNKNOWN = -1;
/**
* @var array
*/
protected static $names = [
self::TYPE_DOUBLE => 'double',
self::TYPE_FLOAT => 'float',
self::TYPE_INT64 => 'int64',
self::TYPE_UINT64 => 'uint64',
self::TYPE_INT32 => 'int32',
self::TYPE_FIXED64 => 'fixed64',
self::TYPE_FIXED32 => 'fixed32',
self::TYPE_BOOL => 'bool',
self::TYPE_STRING => 'string',
self::TYPE_MESSAGE => 'message',
self::TYPE_BYTES => 'bytes',
self::TYPE_UINT32 => 'uint32',
self::TYPE_ENUM => 'enum',
self::TYPE_SFIXED32 => 'sfixed32',
self::TYPE_SFIXED64 => 'sfixed64',
self::TYPE_SINT32 => 'sint32',
self::TYPE_SINT64 => 'sint64',
];
/**
* Obtain the label name (repeated, optional, required).
*
* @param string $label
*
* @return string
*/
public static function getLabelName($label)
{
if ($label === self::LABEL_OPTIONAL) {
return 'optional';
}
if ($label === self::LABEL_REQUIRED) {
return 'required';
}
if ($label === self::LABEL_REPEATED) {
return 'repeated';
}
return null;
}
/**
* @param integer $type
*
* @return string
*/
public static function getTypeName($type)
{
return isset(self::$names[$type])
? self::$names[$type]
: null;
}
/**
* @param integer $type
*
* @return string
*/
public static function getPhpType($type)
{
switch ($type) {
case self::TYPE_DOUBLE:
case self::TYPE_FLOAT:
return 'float';
case self::TYPE_INT64:
case self::TYPE_UINT64:
case self::TYPE_INT32:
case self::TYPE_FIXED64:
case self::TYPE_FIXED32:
case self::TYPE_UINT32:
case self::TYPE_SFIXED32:
case self::TYPE_SFIXED64:
case self::TYPE_SINT32:
case self::TYPE_SINT64:
return 'int';
case self::TYPE_BOOL:
return 'bool';
case self::TYPE_STRING:
return 'string';
case self::TYPE_BYTES:
return '\Protobuf\Stream';
default:
return null;
}
}
}