diff options
Diffstat (limited to 'src/google/protobuf/util/internal/default_value_objectwriter.cc')
| -rw-r--r-- | src/google/protobuf/util/internal/default_value_objectwriter.cc | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/src/google/protobuf/util/internal/default_value_objectwriter.cc b/src/google/protobuf/util/internal/default_value_objectwriter.cc index 21d7a2e4..1e8dab70 100644 --- a/src/google/protobuf/util/internal/default_value_objectwriter.cc +++ b/src/google/protobuf/util/internal/default_value_objectwriter.cc @@ -64,6 +64,7 @@ DefaultValueObjectWriter::DefaultValueObjectWriter( type_(type), current_(NULL), root_(NULL), + suppress_empty_list_(false), field_scrub_callback_(NULL), ow_(ow) {} @@ -184,12 +185,10 @@ void DefaultValueObjectWriter::RegisterFieldScrubCallBack( field_scrub_callback_.reset(field_scrub_callback.release()); } -DefaultValueObjectWriter::Node::Node(const string& name, - const google::protobuf::Type* type, - NodeKind kind, const DataPiece& data, - bool is_placeholder, - const vector<string>& path, - FieldScrubCallBack* field_scrub_callback) +DefaultValueObjectWriter::Node::Node( + const string& name, const google::protobuf::Type* type, NodeKind kind, + const DataPiece& data, bool is_placeholder, const vector<string>& path, + bool suppress_empty_list, FieldScrubCallBack* field_scrub_callback) : name_(name), type_(type), kind_(kind), @@ -197,6 +196,7 @@ DefaultValueObjectWriter::Node::Node(const string& name, data_(data), is_placeholder_(is_placeholder), path_(path), + suppress_empty_list_(suppress_empty_list), field_scrub_callback_(field_scrub_callback) {} DefaultValueObjectWriter::Node* DefaultValueObjectWriter::Node::FindChild( @@ -230,6 +230,9 @@ void DefaultValueObjectWriter::Node::WriteTo(ObjectWriter* ow) { // Write out lists. If we didn't have any list in response, write out empty // list. if (kind_ == LIST) { + // Suppress empty lists if requested. + if (suppress_empty_list_ && is_placeholder_) return; + ow->StartList(name_); WriteChildren(ow); ow->EndList(); @@ -366,7 +369,7 @@ void DefaultValueObjectWriter::Node::PopulateChildren( field.json_name(), field_type, kind, kind == PRIMITIVE ? CreateDefaultDataPieceForField(field, typeinfo) : DataPiece::NullData(), - true, path, field_scrub_callback_)); + true, path, suppress_empty_list_, field_scrub_callback_)); new_children.push_back(child.release()); } // Adds all leftover nodes in children_ to the beginning of new_child. @@ -462,7 +465,8 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::StartObject( if (current_ == NULL) { vector<string> path; root_.reset(new Node(name.ToString(), &type_, OBJECT, DataPiece::NullData(), - false, path, field_scrub_callback_.get())); + false, path, suppress_empty_list_, + field_scrub_callback_.get())); root_->PopulateChildren(typeinfo_); current_ = root_.get(); return this; @@ -478,7 +482,7 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::StartObject( : NULL), OBJECT, DataPiece::NullData(), false, child == NULL ? current_->path() : child->path(), - field_scrub_callback_.get())); + suppress_empty_list_, field_scrub_callback_.get())); child = node.get(); current_->AddChild(node.release()); } @@ -509,7 +513,8 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::StartList( if (current_ == NULL) { vector<string> path; root_.reset(new Node(name.ToString(), &type_, LIST, DataPiece::NullData(), - false, path, field_scrub_callback_.get())); + false, path, suppress_empty_list_, + field_scrub_callback_.get())); current_ = root_.get(); return this; } @@ -519,7 +524,7 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::StartList( google::protobuf::scoped_ptr<Node> node( new Node(name.ToString(), NULL, LIST, DataPiece::NullData(), false, child == NULL ? current_->path() : child->path(), - field_scrub_callback_.get())); + suppress_empty_list_, field_scrub_callback_.get())); child = node.get(); current_->AddChild(node.release()); } @@ -577,7 +582,7 @@ void DefaultValueObjectWriter::RenderDataPiece(StringPiece name, google::protobuf::scoped_ptr<Node> node( new Node(name.ToString(), NULL, PRIMITIVE, data, false, child == NULL ? current_->path() : child->path(), - field_scrub_callback_.get())); + suppress_empty_list_, field_scrub_callback_.get())); child = node.get(); current_->AddChild(node.release()); } else { |