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 | 64 |
1 files changed, 48 insertions, 16 deletions
diff --git a/src/google/protobuf/util/internal/default_value_objectwriter.cc b/src/google/protobuf/util/internal/default_value_objectwriter.cc index a63e560d..21d7a2e4 100644 --- a/src/google/protobuf/util/internal/default_value_objectwriter.cc +++ b/src/google/protobuf/util/internal/default_value_objectwriter.cc @@ -51,7 +51,7 @@ template <typename T> T ConvertTo(StringPiece value, StatusOr<T> (DataPiece::*converter_fn)() const, T default_value) { if (value.empty()) return default_value; - StatusOr<T> result = (DataPiece(value).*converter_fn)(); + StatusOr<T> result = (DataPiece(value, true).*converter_fn)(); return result.ok() ? result.ValueOrDie() : default_value; } } // namespace @@ -64,6 +64,7 @@ DefaultValueObjectWriter::DefaultValueObjectWriter( type_(type), current_(NULL), root_(NULL), + field_scrub_callback_(NULL), ow_(ow) {} DefaultValueObjectWriter::~DefaultValueObjectWriter() { @@ -153,7 +154,7 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::RenderString( // Since StringPiece is essentially a pointer, takes a copy of "value" to // avoid ownership issues. string_values_.push_back(new string(value.ToString())); - RenderDataPiece(name, DataPiece(*string_values_.back())); + RenderDataPiece(name, DataPiece(*string_values_.back(), true)); } return this; } @@ -163,7 +164,7 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::RenderBytes( if (current_ == NULL) { ow_->RenderBytes(name, value); } else { - RenderDataPiece(name, DataPiece(value)); + RenderDataPiece(name, DataPiece(value, false, true)); } return this; } @@ -178,16 +179,25 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::RenderNull( return this; } +void DefaultValueObjectWriter::RegisterFieldScrubCallBack( + FieldScrubCallBackPtr field_scrub_callback) { + 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) + bool is_placeholder, + const vector<string>& path, + FieldScrubCallBack* field_scrub_callback) : name_(name), type_(type), kind_(kind), is_any_(false), data_(data), - is_placeholder_(is_placeholder) {} + is_placeholder_(is_placeholder), + path_(path), + field_scrub_callback_(field_scrub_callback) {} DefaultValueObjectWriter::Node* DefaultValueObjectWriter::Node::FindChild( StringPiece name) { @@ -291,6 +301,19 @@ void DefaultValueObjectWriter::Node::PopulateChildren( for (int i = 0; i < type_->fields_size(); ++i) { const google::protobuf::Field& field = type_->fields(i); + + // This code is checking if the field to be added to the tree should be + // scrubbed or not by calling the field_scrub_callback_ callback function. + vector<string> path; + if (!path_.empty()) { + path.insert(path.begin(), path_.begin(), path_.end()); + } + path.push_back(field.name()); + if (field_scrub_callback_ != NULL && + field_scrub_callback_->Run(path, &field)) { + continue; + } + hash_map<string, int>::iterator found = orig_children_map.find(field.name()); // If the child field has already been set, we just add it to the new list @@ -343,7 +366,7 @@ void DefaultValueObjectWriter::Node::PopulateChildren( field.json_name(), field_type, kind, kind == PRIMITIVE ? CreateDefaultDataPieceForField(field, typeinfo) : DataPiece::NullData(), - true)); + true, path, field_scrub_callback_)); new_children.push_back(child.release()); } // Adds all leftover nodes in children_ to the beginning of new_child. @@ -368,7 +391,8 @@ void DefaultValueObjectWriter::MaybePopulateChildrenOfAny(Node* node) { DataPiece DefaultValueObjectWriter::FindEnumDefault( const google::protobuf::Field& field, const TypeInfo* typeinfo) { - if (!field.default_value().empty()) return DataPiece(field.default_value()); + if (!field.default_value().empty()) + return DataPiece(field.default_value(), true); const google::protobuf::Enum* enum_type = typeinfo->GetEnumByTypeUrl(field.type_url()); @@ -379,7 +403,7 @@ DataPiece DefaultValueObjectWriter::FindEnumDefault( } // We treat the first value as the default if none is specified. return enum_type->enumvalue_size() > 0 - ? DataPiece(enum_type->enumvalue(0).name()) + ? DataPiece(enum_type->enumvalue(0).name(), true) : DataPiece::NullData(); } @@ -416,10 +440,10 @@ DataPiece DefaultValueObjectWriter::CreateDefaultDataPieceForField( ConvertTo<bool>(field.default_value(), &DataPiece::ToBool, false)); } case google::protobuf::Field_Kind_TYPE_STRING: { - return DataPiece(field.default_value()); + return DataPiece(field.default_value(), true); } case google::protobuf::Field_Kind_TYPE_BYTES: { - return DataPiece(field.default_value(), false); + return DataPiece(field.default_value(), false, true); } case google::protobuf::Field_Kind_TYPE_UINT32: case google::protobuf::Field_Kind_TYPE_FIXED32: { @@ -436,8 +460,9 @@ DataPiece DefaultValueObjectWriter::CreateDefaultDataPieceForField( DefaultValueObjectWriter* DefaultValueObjectWriter::StartObject( StringPiece name) { if (current_ == NULL) { + vector<string> path; root_.reset(new Node(name.ToString(), &type_, OBJECT, DataPiece::NullData(), - false)); + false, path, field_scrub_callback_.get())); root_->PopulateChildren(typeinfo_); current_ = root_.get(); return this; @@ -451,7 +476,9 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::StartObject( name.ToString(), ((current_->kind() == LIST || current_->kind() == MAP) ? current_->type() : NULL), - OBJECT, DataPiece::NullData(), false)); + OBJECT, DataPiece::NullData(), false, + child == NULL ? current_->path() : child->path(), + field_scrub_callback_.get())); child = node.get(); current_->AddChild(node.release()); } @@ -480,8 +507,9 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::EndObject() { DefaultValueObjectWriter* DefaultValueObjectWriter::StartList( StringPiece name) { if (current_ == NULL) { - root_.reset( - new Node(name.ToString(), &type_, LIST, DataPiece::NullData(), false)); + vector<string> path; + root_.reset(new Node(name.ToString(), &type_, LIST, DataPiece::NullData(), + false, path, field_scrub_callback_.get())); current_ = root_.get(); return this; } @@ -489,7 +517,9 @@ DefaultValueObjectWriter* DefaultValueObjectWriter::StartList( Node* child = current_->FindChild(name); if (child == NULL || child->kind() != LIST) { google::protobuf::scoped_ptr<Node> node( - new Node(name.ToString(), NULL, LIST, DataPiece::NullData(), false)); + new Node(name.ToString(), NULL, LIST, DataPiece::NullData(), false, + child == NULL ? current_->path() : child->path(), + field_scrub_callback_.get())); child = node.get(); current_->AddChild(node.release()); } @@ -545,7 +575,9 @@ void DefaultValueObjectWriter::RenderDataPiece(StringPiece name, if (child == NULL || child->kind() != PRIMITIVE) { // No children are found, creates a new child. google::protobuf::scoped_ptr<Node> node( - new Node(name.ToString(), NULL, PRIMITIVE, data, false)); + new Node(name.ToString(), NULL, PRIMITIVE, data, false, + child == NULL ? current_->path() : child->path(), + field_scrub_callback_.get())); child = node.get(); current_->AddChild(node.release()); } else { |