| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef VM_JSON_STREAM_H_ |
| #define VM_JSON_STREAM_H_ |
| |
| #include "include/dart_api.h" // for Dart_Port |
| #include "platform/json.h" |
| #include "vm/allocation.h" |
| |
| namespace dart { |
| |
| class Field; |
| class GrowableObjectArray; |
| class Instance; |
| class JSONArray; |
| class JSONObject; |
| class Object; |
| class SourceBreakpoint; |
| class Zone; |
| |
| class JSONStream : ValueObject { |
| public: |
| explicit JSONStream(intptr_t buf_size = 256); |
| ~JSONStream(); |
| |
| void Setup(Zone* zone, |
| const Instance& reply_port, |
| const GrowableObjectArray& path, |
| const GrowableObjectArray& option_keys, |
| const GrowableObjectArray& option_values); |
| void PostReply(); |
| |
| TextBuffer* buffer() { return &buffer_; } |
| const char* ToCString() { return buffer_.buf(); } |
| |
| void set_reply_port(Dart_Port port); |
| void SetArguments(const char** arguments, intptr_t num_arguments); |
| void SetOptions(const char** option_keys, const char** option_values, |
| intptr_t num_options); |
| |
| Dart_Port reply_port() const { return reply_port_; } |
| |
| intptr_t num_arguments() const { return num_arguments_; } |
| const char* GetArgument(intptr_t i) const { |
| return arguments_[i]; |
| } |
| intptr_t num_options() const { return num_options_; } |
| const char* GetOptionKey(intptr_t i) const { |
| return option_keys_[i]; |
| } |
| const char* GetOptionValue(intptr_t i) const { |
| return option_values_[i]; |
| } |
| |
| const char* LookupOption(const char* key) const; |
| |
| const char* command() const { return command_; } |
| const char** arguments() const { return arguments_; } |
| const char** option_keys() const { return option_keys_; } |
| const char** option_values() const { return option_values_; } |
| |
| private: |
| void Clear(); |
| |
| void OpenObject(const char* property_name = NULL); |
| void CloseObject(); |
| |
| void OpenArray(const char* property_name = NULL); |
| void CloseArray(); |
| |
| void PrintValueBool(bool b); |
| void PrintValue(intptr_t i); |
| void PrintValue64(int64_t i); |
| void PrintValue(double d); |
| void PrintValue(const char* s); |
| void PrintfValue(const char* format, ...) PRINTF_ATTRIBUTE(2, 3); |
| void PrintValue(const Object& o, bool ref = true); |
| void PrintValue(SourceBreakpoint* bpt); |
| void PrintValue(Isolate* isolate, bool ref = true); |
| |
| void PrintPropertyBool(const char* name, bool b); |
| void PrintProperty(const char* name, intptr_t i); |
| void PrintProperty64(const char* name, int64_t i); |
| void PrintProperty(const char* name, double d); |
| void PrintProperty(const char* name, const char* s); |
| void PrintfProperty(const char* name, const char* format, ...) |
| PRINTF_ATTRIBUTE(3, 4); |
| void PrintProperty(const char* name, const Object& o, bool ref = true); |
| |
| void PrintPropertyName(const char* name); |
| void PrintCommaIfNeeded(); |
| bool NeedComma(); |
| |
| void AddEscapedUTF8String(const char* s); |
| |
| intptr_t nesting_level() const { return open_objects_; } |
| |
| intptr_t open_objects_; |
| TextBuffer buffer_; |
| Dart_Port reply_port_; |
| const char* command_; |
| const char** arguments_; |
| intptr_t num_arguments_; |
| const char** option_keys_; |
| const char** option_values_; |
| intptr_t num_options_; |
| int64_t setup_time_micros_; |
| |
| friend class JSONObject; |
| friend class JSONArray; |
| }; |
| |
| |
| class JSONObject : public ValueObject { |
| public: |
| explicit JSONObject(JSONStream* stream) : stream_(stream) { |
| stream_->OpenObject(); |
| } |
| JSONObject(const JSONObject* obj, const char* name) : stream_(obj->stream_) { |
| stream_->OpenObject(name); |
| } |
| explicit JSONObject(const JSONArray* arr); |
| |
| ~JSONObject() { |
| stream_->CloseObject(); |
| } |
| |
| void AddProperty(const char* name, bool b) const { |
| stream_->PrintPropertyBool(name, b); |
| } |
| void AddProperty(const char* name, intptr_t i) const { |
| stream_->PrintProperty(name, i); |
| } |
| void AddProperty64(const char* name, int64_t i) const { |
| stream_->PrintProperty64(name, i); |
| } |
| void AddProperty(const char* name, double d) const { |
| stream_->PrintProperty(name, d); |
| } |
| void AddProperty(const char* name, const char* s) const { |
| stream_->PrintProperty(name, s); |
| } |
| void AddProperty(const char* name, const Object& obj, bool ref = true) const { |
| stream_->PrintProperty(name, obj, ref); |
| } |
| void AddPropertyF(const char* name, const char* format, ...) const |
| PRINTF_ATTRIBUTE(3, 4); |
| |
| private: |
| JSONStream* stream_; |
| |
| friend class JSONArray; |
| |
| DISALLOW_ALLOCATION(); |
| DISALLOW_COPY_AND_ASSIGN(JSONObject); |
| }; |
| |
| |
| class JSONArray : public ValueObject { |
| public: |
| explicit JSONArray(JSONStream* stream) : stream_(stream) { |
| stream_->OpenArray(); |
| } |
| JSONArray(const JSONObject* obj, const char* name) : stream_(obj->stream_) { |
| stream_->OpenArray(name); |
| } |
| explicit JSONArray(const JSONArray* arr) : stream_(arr->stream_) { |
| stream_->OpenArray(); |
| } |
| ~JSONArray() { |
| stream_->CloseArray(); |
| } |
| |
| void AddValue(bool b) const { stream_->PrintValueBool(b); } |
| void AddValue(intptr_t i) const { stream_->PrintValue(i); } |
| void AddValue64(int64_t i) const { stream_->PrintValue64(i); } |
| void AddValue(double d) const { stream_->PrintValue(d); } |
| void AddValue(const char* s) const { stream_->PrintValue(s); } |
| void AddValue(const Object& obj, bool ref = true) const { |
| stream_->PrintValue(obj, ref); |
| } |
| void AddValue(Isolate* isolate, bool ref = true) const { |
| stream_->PrintValue(isolate, ref); |
| } |
| void AddValue(SourceBreakpoint* bpt) const { |
| stream_->PrintValue(bpt); |
| } |
| void AddValueF(const char* format, ...) const PRINTF_ATTRIBUTE(2, 3); |
| |
| private: |
| JSONStream* stream_; |
| |
| friend class JSONObject; |
| |
| DISALLOW_ALLOCATION(); |
| DISALLOW_COPY_AND_ASSIGN(JSONArray); |
| }; |
| |
| } // namespace dart |
| |
| #endif // VM_JSON_STREAM_H_ |