diff options
Diffstat (limited to 'php/src/Google')
-rw-r--r-- | php/src/Google/Protobuf/Internal/Message.php | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/php/src/Google/Protobuf/Internal/Message.php b/php/src/Google/Protobuf/Internal/Message.php index 9e162a22..17ef8536 100644 --- a/php/src/Google/Protobuf/Internal/Message.php +++ b/php/src/Google/Protobuf/Internal/Message.php @@ -491,6 +491,74 @@ class Message } /** + * Merges the contents of the specified message into current message. + * + * This method merges the contents of the specified message into the + * current message. Singular fields that are set in the specified message + * overwrite the corresponding fields in the current message. Repeated + * fields are appended. Map fields key-value pairs are overritten. + * Singular/Oneof sub-messages are recursively merged. All overritten + * sub-messages are deep-copied. + * + * @param object $msg Protobuf message to be merged from. + * @return null. + */ + public function mergeFrom($msg) + { + if (get_class($this) !== get_class($msg)) { + user_error("Cannot merge messages with different class."); + return; + } + + foreach ($this->desc->getField() as $field) { + $setter = $field->getSetter(); + $getter = $field->getGetter(); + if ($field->isMap()) { + if (count($msg->$getter()) != 0) { + $value_field = $field->getMessageType()->getFieldByNumber(2); + foreach ($msg->$getter() as $key => $value) { + if ($value_field->getType() == GPBType::MESSAGE) { + $klass = $value_field->getMessageType()->getClass(); + $copy = new $klass; + $copy->mergeFrom($value); + $this->$getter()[$key] = $copy; + } else { + $this->$getter()[$key] = $value; + } + } + } + } else if ($field->getLabel() === GPBLabel::REPEATED) { + if (count($msg->$getter()) != 0) { + foreach ($msg->$getter() as $tmp) { + if ($field->getType() == GPBType::MESSAGE) { + $klass = $field->getMessageType()->getClass(); + $copy = new $klass; + $copy->mergeFrom($tmp); + $this->$getter()[] = $copy; + } else { + $this->$getter()[] = $tmp; + } + } + } + } else if ($field->getLabel() === GPBLabel::OPTIONAL) { + if($msg->$getter() !== $this->defaultValue($field)) { + $tmp = $msg->$getter(); + if ($field->getType() == GPBType::MESSAGE) { + if (is_null($this->$getter())) { + $klass = $field->getMessageType()->getClass(); + $new_msg = new $klass; + $this->$setter($new_msg); + } + $this->$getter()->mergeFrom($tmp); + } else { + $this->$setter($tmp); + } + } + } + } + } + + /** * Parses a protocol buffer contained in a string. * * This function takes a string in the (non-human-readable) binary wire |