diff options
Diffstat (limited to 'src/google/protobuf/util/internal/json_objectwriter.h')
-rw-r--r-- | src/google/protobuf/util/internal/json_objectwriter.h | 81 |
1 files changed, 38 insertions, 43 deletions
diff --git a/src/google/protobuf/util/internal/json_objectwriter.h b/src/google/protobuf/util/internal/json_objectwriter.h index 31edc292..4c25b465 100644 --- a/src/google/protobuf/util/internal/json_objectwriter.h +++ b/src/google/protobuf/util/internal/json_objectwriter.h @@ -32,9 +32,6 @@ #define GOOGLE_PROTOBUF_UTIL_CONVERTER_JSON_OBJECTWRITER_H__ #include <memory> -#ifndef _SHARED_PTR_H -#include <google/protobuf/stubs/shared_ptr.h> -#endif #include <string> #include <google/protobuf/io/coded_stream.h> @@ -89,46 +86,41 @@ class LIBPROTOBUF_EXPORT JsonObjectWriter : public StructuredObjectWriter { public: JsonObjectWriter(StringPiece indent_string, google::protobuf::io::CodedOutputStream* out) - : element_(new Element(NULL)), + : element_(new Element(/*parent=*/nullptr, /*is_json_object=*/false)), stream_(out), sink_(out), indent_string_(indent_string.ToString()), - use_websafe_base64_for_bytes_(false), - empty_name_ok_for_next_key_(false) {} + use_websafe_base64_for_bytes_(false) {} virtual ~JsonObjectWriter(); // ObjectWriter methods. - virtual JsonObjectWriter* StartObject(StringPiece name); - virtual JsonObjectWriter* EndObject(); - virtual JsonObjectWriter* StartList(StringPiece name); - virtual JsonObjectWriter* EndList(); - virtual JsonObjectWriter* RenderBool(StringPiece name, bool value); - virtual JsonObjectWriter* RenderInt32(StringPiece name, int32 value); - virtual JsonObjectWriter* RenderUint32(StringPiece name, uint32 value); - virtual JsonObjectWriter* RenderInt64(StringPiece name, int64 value); - virtual JsonObjectWriter* RenderUint64(StringPiece name, uint64 value); - virtual JsonObjectWriter* RenderDouble(StringPiece name, double value); - virtual JsonObjectWriter* RenderFloat(StringPiece name, float value); - virtual JsonObjectWriter* RenderString(StringPiece name, StringPiece value); - virtual JsonObjectWriter* RenderBytes(StringPiece name, StringPiece value); - virtual JsonObjectWriter* RenderNull(StringPiece name); + virtual JsonObjectWriter* StartObject(StringPiece name) override; + virtual JsonObjectWriter* EndObject() override; + virtual JsonObjectWriter* StartList(StringPiece name) override; + virtual JsonObjectWriter* EndList() override; + virtual JsonObjectWriter* RenderBool(StringPiece name, bool value) override; + virtual JsonObjectWriter* RenderInt32(StringPiece name, int32 value) override; + virtual JsonObjectWriter* RenderUint32(StringPiece name, uint32 value) override; + virtual JsonObjectWriter* RenderInt64(StringPiece name, int64 value) override; + virtual JsonObjectWriter* RenderUint64(StringPiece name, uint64 value) override; + virtual JsonObjectWriter* RenderDouble(StringPiece name, double value) override; + virtual JsonObjectWriter* RenderFloat(StringPiece name, float value) override; + virtual JsonObjectWriter* RenderString(StringPiece name, StringPiece value) override; + virtual JsonObjectWriter* RenderBytes(StringPiece name, StringPiece value) override; + virtual JsonObjectWriter* RenderNull(StringPiece name) override; virtual JsonObjectWriter* RenderNullAsEmpty(StringPiece name); void set_use_websafe_base64_for_bytes(bool value) { use_websafe_base64_for_bytes_ = value; } - // Whether empty strings should be rendered for the next JSON key. This - // setting is only valid until the next key is rendered, after which it gets - // reset to false. - virtual void empty_name_ok_for_next_key() { - empty_name_ok_for_next_key_ = true; - } - protected: class LIBPROTOBUF_EXPORT Element : public BaseElement { public: - explicit Element(Element* parent) : BaseElement(parent), is_first_(true) {} + Element(Element* parent, bool is_json_object) + : BaseElement(parent), + is_first_(true), + is_json_object_(is_json_object) {} // Called before each field of the Element is to be processed. // Returns true if this is the first call (processing the first field). @@ -140,23 +132,28 @@ class LIBPROTOBUF_EXPORT JsonObjectWriter : public StructuredObjectWriter { return false; } + // Whether we are currently renderring inside a JSON object (i.e., between + // StartObject() and EndObject()). + bool is_json_object() const { return is_json_object_; } + private: bool is_first_; + bool is_json_object_; GOOGLE_DISALLOW_IMPLICIT_CONSTRUCTORS(Element); }; - virtual Element* element() { return element_.get(); } + Element* element() override { return element_.get(); } private: class LIBPROTOBUF_EXPORT ByteSinkWrapper : public strings::ByteSink { public: explicit ByteSinkWrapper(google::protobuf::io::CodedOutputStream* stream) : stream_(stream) {} - virtual ~ByteSinkWrapper() {} + ~ByteSinkWrapper() override {} // ByteSink methods. - virtual void Append(const char* bytes, size_t n) { + void Append(const char* bytes, size_t n) override { stream_->WriteRaw(bytes, n); } @@ -175,8 +172,15 @@ class LIBPROTOBUF_EXPORT JsonObjectWriter : public StructuredObjectWriter { return this; } - // Pushes a new element to the stack. - void Push() { element_.reset(new Element(element_.release())); } + // Pushes a new JSON array element to the stack. + void PushArray() { + element_.reset(new Element(element_.release(), /*is_json_object=*/false)); + } + + // Pushes a new JSON object element to the stack. + void PushObject() { + element_.reset(new Element(element_.release(), /*is_json_object=*/true)); + } // Pops an element off of the stack and deletes the popped element. void Pop() { @@ -204,11 +208,7 @@ class LIBPROTOBUF_EXPORT JsonObjectWriter : public StructuredObjectWriter { // Writes an individual character to the output. void WriteChar(const char c) { stream_->WriteRaw(&c, sizeof(c)); } - // Returns the current value of empty_name_ok_for_next_key_ and resets it to - // false. - bool GetAndResetEmptyKeyOk(); - - google::protobuf::scoped_ptr<Element> element_; + std::unique_ptr<Element> element_; google::protobuf::io::CodedOutputStream* stream_; ByteSinkWrapper sink_; const string indent_string_; @@ -217,11 +217,6 @@ class LIBPROTOBUF_EXPORT JsonObjectWriter : public StructuredObjectWriter { // to regular base64 encoding. bool use_websafe_base64_for_bytes_; - // Whether empty strings should be rendered for the next JSON key. This - // setting is only valid until the next key is rendered, after which it gets - // reset to false. - bool empty_name_ok_for_next_key_; - GOOGLE_DISALLOW_IMPLICIT_CONSTRUCTORS(JsonObjectWriter); }; |